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<p class="c35"><span class="c0"></span></p><table class="c28"><tr class="c45"><td class="c37" colspan="1" rowspan="1"><p class="c29"><span style="overflow: hidden; display: inline-block; margin: 0.00px 0.00px; border: 0.00px solid #000000; transform: rotate(0.00rad) translateZ(0px); -webkit-transform: rotate(0.00rad) translateZ(0px); width: 47.40px; height: 53.83px;"><img alt="" src="images/image1.jpg" style="width: 47.40px; height: 53.83px; margin-left: -0.00px; margin-top: -0.00px; transform: rotate(0.00rad) translateZ(0px); -webkit-transform: rotate(0.00rad) translateZ(0px);" title=""></span></p></td><td class="c43" colspan="1" rowspan="1"><p class="c25"><span class="c53">Mark Shaffer</span></p><p class="c25"><span class="c0">Senior Software Engineer</span></p><p class="c25"><span class="c5 c9 c34"><a class="c20" href="mailto:mark.shaffer@codemelted.com">mark.shaffer@codemelted.com</a></span><span class="c0"> </span></p></td><td class="c50" colspan="1" rowspan="1"><p class="c13"><span class="c32"></span></p></td><td class="c41" colspan="1" rowspan="1"><p class="c29 c36"><span class="c32"></span></p></td></tr><tr class="c27"><td class="c46" colspan="1" rowspan="1"><p class="c29"><span class="c24">Introduction</span></p></td><td class="c52" colspan="3" rowspan="1"><p class="c14"><span class="c0">Full stack software engineer specializing in cross-platform application development. Experience in developing services and clients communicating over a Wide Area Network (WAN) architecture. Protocols for these applications included HTTP REST APIs, TCP, UDP, and WebSockets. Additionally have worked with external hardware peripherals via Bluetooth Low Energy (BLE), RS-232 Serial, and USB. These peripherals ranged from Commercial Off The Shelf (COTS) devices to custom hardware for communicating with satellites for data transmission and reception.</span></p><p class="c4"><span class="c0"></span></p><p class="c14"><span class="c0">Have developed Graphical User Interface (GUI) applications as dedicated terminals targeting multiple desktop environments. The user interface frameworks utilized include HTML / CSS, Java Swing, Flutter, Qt Widgets, QML, and Win Forms. These applications followed different requirements from matching the Look & Feel (L&F) of the host operating system to custom L&F regardless of the operating system. Performed embedded C/C++ application development requiring 100% MC/DC coverage along with meeting MISRA standards. This ranged from embedded Linux, custom embedded compilers, and vxWorks environments.</span></p><p class="c4"><span class="c0"></span></p><p class="c14"><span class="c0">Finally have developed mobile applications for Android and iOS mobile environments. This required setting up the toolchains to build, test, and deploy within the Apple / Google Play stores. Specialized in utilizing Flutter with custom native code for each target mobile environment. This mobile app also included a fallback Progressive Web App (PWA) as insurance against app store issues. With all this experience comes the ability to fully document the software lifecycle from requirements / design, test plans / reports, test cases / reports, and documentation for developers and the end user.</span></p></td></tr><tr class="c18"><td class="c37" colspan="1" rowspan="1"><p class="c29"><span class="c24">Skills</span></p></td><td class="c47" colspan="3" rowspan="1"><p class="c19"><span class="c24"></span></p><table class="c28"><tr class="c2"><td class="c22" colspan="1" rowspan="1"><p class="c23"><span class="c11">Applications:</span></p></td><td class="c8" colspan="1" rowspan="1"><p class="c14"><span class="c0">Android Studio | GitHub Desktop | MS Project | NetBeans | Notepad++ | Projucer | QT Creator | Visual Studio Code, Visual Studio | Xcode</span></p></td></tr><tr class="c2"><td class="c22" colspan="1" rowspan="1"><p class="c23"><span class="c11">API Doc Generation:</span></p></td><td class="c8" colspan="1" rowspan="1"><p class="c14"><span class="c0">cargo doc | dart doc | doxygen | javadoc | jsdoc | tsdoc | markdown to html | pandoc | pdoc</span></p></td></tr><tr class="c2"><td class="c22" colspan="1" rowspan="1"><p class="c23"><span class="c11">Build Deployment:</span></p></td><td class="c8" colspan="1" rowspan="1"><p class="c14"><span class="c0">Apple App Store | ant | Bitbucket Actions | cargo build | CMake | Closure Compiler | Dart / Flutter | deno | Google Play Store | javac | Jenkins | make | MS build | PowerShell | pwsh | QMake |RPM | tsc | rustc</span></p></td></tr><tr class="c2"><td class="c22" colspan="1" rowspan="1"><p class="c23"><span class="c11">Databases:</span></p></td><td class="c8" colspan="1" rowspan="1"><p class="c14"><span class="c0">Apache Derby | MS Access | IndexDB | SQLite</span></p></td></tr><tr class="c2"><td class="c22" colspan="1" rowspan="1"><p class="c23"><span class="c11"> Developer Frameworks:</span></p></td><td class="c8" colspan="1" rowspan="1"><p class="c14"><span class="c0">Android | Amazon Cloud | Angular | D3.js | Django | Deno | Firebase | Flutter | Google Cloud | Java SE | .NET Core | .NET 9 | NodeJS | Qt | Swift</span></p></td></tr><tr class="c2"><td class="c22" colspan="1" rowspan="1"><p class="c23"><span class="c11">Domains:</span></p></td><td class="c8" colspan="1" rowspan="1"><p class="c14"><span class="c0">Asynchronous I/O | Command Line Interface (CLI) | Console | Disk Manipulation | Embedded Databases (Relational, NoSQL) | Embedded Linux | Graphical User Interfaces (GUI) | Hardware Peripherals (BLE, Serial RS-232, USB) | Internet of Things (IoT) | JSON Processing | Key / Value Pair Storage | Logging | Platform Monitoring | Network (Broadcast Channels, ICMP, HTTP, TCP, UDP, Web Sockets) | Numeric Processing (Math, Statistics) | Operating System Processes via STDIN and STDOUT | Raspberry Pi | Runtime Bindings | Threading | Textual User Interface (TUI) | XML Processing | Web (HTML5 / CSS3 / JavaScript ES6 / WASM)</span></p></td></tr><tr class="c2"><td class="c22" colspan="1" rowspan="1"><p class="c23"><span class="c11">Independent Verification and Validation:</span></p></td><td class="c8" colspan="1" rowspan="1"><p class="c14"><span class="c0">Analysis Tools | Black Box Testing | Functional Test Cases | Interface Validation | Performance Validation | Regression Test Cases | Requirements Verification Matrix Tracking | Simulators | Test Plans | Test Reports | White Box Testing</span></p></td></tr><tr class="c2"><td class="c22" colspan="1" rowspan="1"><p class="c23"><span class="c11">Operating Systems:</span></p></td><td class="c8" colspan="1" rowspan="1"><p class="c14"><span class="c0">Android | IBM Mainframes (360 / 370 / 390) | iOS | Java Desktop | Mac OS | Linux (Debian, Red Hat) | Unix (AiX, System V, Solaris Sparc) | vxWorks | Windows (9x and NT based)</span></p></td></tr><tr class="c2"><td class="c22" colspan="1" rowspan="1"><p class="c23"><span class="c11">Programming Languages:</span></p></td><td class="c8" colspan="1" rowspan="1"><p class="c14"><span class="c0">Assembler 370 | bash script | BAT script | cscript | C | C++ | C# | dart | FORTRAN 77 | Java | Job Control Language (JCL) | HTML5 / CSS3 / JavaScript ES6 / TypeScript | Kotlin | pwsh script | python | rust | Swift | Visual Basic for Applications (VBA)</span></p></td></tr><tr class="c2"><td class="c22" colspan="1" rowspan="1"><p class="c23"><span class="c11">Requirements / Design:</span></p></td><td class="c8" colspan="1" rowspan="1"><p class="c14"><span class="c5">Confluence | DOORs | Draw I/O | JAMA | JIRA | Lucid Chart | Magic Draw | Markdown | Mermaid | MS Visio | PlantUML</span></p></td></tr><tr class="c17"><td class="c22" colspan="1" rowspan="1"><p class="c23"><span class="c11">Source Control:</span></p></td><td class="c8" colspan="1" rowspan="1"><p class="c14"><span class="c5">Bitbucket | ClearCase | git | GitLab | GitHub | Mercurial | MS Team Foundation Server | PVCS</span></p></td></tr><tr class="c2"><td class="c22" colspan="1" rowspan="1"><p class="c23"><span class="c11">Testing Frameworks:</span></p></td><td class="c8" colspan="1" rowspan="1"><p class="c14"><span class="c5">bullseye | cmocka | CppUnit | deno test | Jenkins | flutter test | google test | JUnit | MC/DC | MISRA | mocha / chai | QUnit</span></p></td></tr></table><p class="c25 c36"><span class="c11"></span></p></td></tr><tr class="c12"><td class="c37" colspan="1" rowspan="1"><p class="c29"><span class="c24">codemelted.rs Project</span></p></td><td class="c15" colspan="3" rowspan="1"><p class="c25"><span class="c5">The </span><span class="c5 c51">codemelted.rs project</span><span class="c5"> aims to deliver a full stack Swiss Army Knife module for software engineers to easily build software solutions. Utilizing the Rust programming language, the module serves as a backbone to engineer solutions for multiple build targets. This is accomplished by implementing 14 domain specific use cases for the most common problems software engineers face. This can be from as low-level as a Raspberry Pi to dedicated server services. With the code written in Rust, you get the speed of C but without the memory safety headaches. </span><span class="c5 c9 c34"><a class="c20" href="https://www.google.com/url?q=https://rs.codemelted.com&sa=D&source=editors&ust=1771722090844486&usg=AOvVaw2e7UlYNvhewJsDhOVrBYNz">https://rs.codemelted.com</a></span><span class="c5"> for more details.</span></p></td></tr><tr class="c12"><td class="c37" colspan="1" rowspan="1"><p class="c29"><span class="c24">Experience</span></p></td><td class="c15" colspan="3" rowspan="1"><ul class="c7 lst-kix_list_3-0 start"><li class="c1 li-bullet-0"><span class="c5 c9">Embedded Diagnostic Safety System</span><span class="c0">: Worked on an embedded C diagnostic detection safety system. This was a next-generation rewrite to a legacy system. The embedded system ran within a QNX embedded environment requiring 100% MC/DC and full MISRA compliance. Communication of data to/from the system was via UDP sockets, QNX Persistent Publish/Subscribe (PPS), and the setting up of shared memory between modules. Given this was a safety system, it required Software Engineering discipline to create 1 for 1 matches between Software Level 4 requirements, Software Detailed Design (SDD, and the developed C module). These artifacts would link the developed cmocka unit tests to provide traceability between the SL4 requirements, DDS, the tests, and the system level requirements captured in JAMA.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">Amazon S3 C# Backend Integration</span><span class="c0">: Integrated Amazon S3 bucket writing into a C# GraphQL backend and PostgreSQL database. The Amazon S3 represented a new library built into the project with independent unit tests. This library was then consumed into three of the GraphQL services requiring the feature. Integration tests validated the S3 library integration. The Angular portal, which represents the client of GraphQL services, was updated for the new S3 bucket integration. Finally, a series of JavaScript Amazon SDK / CDK deployment scripts were updated to write the necessary Amazon IAM policy and attach it to the GraphQL service task role.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">Asset Tracker Mobile Application Upgrade</span><span class="c0">: The main highlights of the Flutter application included a new UI library, Graph QL model generation / consumption, native plugin (Android, iOS, web) support, and a Progressive Web App (PWA) fallback deployment. The building system required a PowerShell core script update to build the app in accordance with the selected app target, run unit tests with test coverage, generate developer documentation, generate user documentation, and perform the app store deployment preparations.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">Tag Upload Prepper</span><span class="c0">: Built an automated process of preparing CSV data for batch upload into a C# PostgreSQL database. The first part is a macro-enabled MS Excel spreadsheet with VBA macros. Essentially the CSV data is loaded into the spreadsheet, formatted, corrected, and validated before being ready for upload. The VBA macro executes a Win Form to parse the spreadsheet and re-execute the CSV file for the tag uploading process. Facilitating the maintenance of this is a PowerShell build system with accompanying markdown documentation for the MS Excel file / user documentation delivery. </span></li><li class="c1 li-bullet-0"><span class="c5 c9">iOS Swift App / Library Development</span><span class="c0">: Maintain, upgrade, and develop new iOS Swift mobile apps / libraries for rendering audio services, managing devices via BLE, integrating with web services, and communicating with cloud endpoints. Provide software engineering expertise in designing new products via user story analysis and UML breakdowns of those products.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">Automated Forklift/Pallet Jack System</span><span class="c0">: Integrated a set of smart / dumb sensors for obstruction detection via the fork tips. These sensors connected via IO-Link Master bridge connecting via Ethernet/IP and Modbus/TCP industrial protocols to feed their data into the overall single board computer system. This made use of C++ 17 standard with Python for utility programs and automated testing.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">Smart Home IoT Integration</span><span class="c0">: Refactored a cloud IoT backend for smart appliances from a mix of Python and NodeJS to a TypeScript Node codebase for use on the Google Cloud Platform, specifically Firebase. This provided a new, consistent backend codebase. Upgrade the website and mobile apps into a Flutter app, consolidating those into a single code base from REACT Native. Also implemented AWS and Google Smart Home skills to interact with smart home appliances.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">Asset Tracking Mobile Application</span><span class="c0">: Built an asset tracking mobile application in Flutter SDK. This application targeted both Android and iOS. The application is a client to AWS cloud endpoints gathering and updating asset data via GraphQL and REST APIs. The assets were displayed on a Google Map for real-time tracking and getting directions to different trackers. The assets were also managed via a sortable table. The application also provided assets via BLE, allowing for direct updating of an asset, and gathering information about it. The application could also generate email reports. These were the subset requirements from the overall web portal requirements to support customers in the field.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">Cross Platform Mobile Framework Evaluation</span><span class="c0">: Did a broad analysis of all technologies related to targeting multiple platforms to determine our best recommendations to our clients. The main targets were Android and iOS with other targets of web, desktop, and IoT evaluated. This consisted of setting up build toolchains along with writing demo apps utilizing different required technologies. The result of this report now allows us to pick the right solution for the job to better support clients.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">Docker Server Suite</span><span class="c0">: Performed systems engineering for a project. The system is a suite of Docker container images (some custom builds, some from Docker repository) joined with a Python flask gateway application. Users can completely access services via a custom web application. Part of the systems engineering was a refactor of the installation process to allow for upgrading aspects of the system instead of a full installation. Other parts include identifying user stories to bring this to a deliverable project hosting within the cloud or on physical hardware along with establishing the existing design and creating a coding standard for scripts. Scripts to perform other tasks were written within Python and bash with a set coding standard for those.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">User Database Migration</span><span class="c0">: An air conditioner company was migrating their cloud-based system from AWS to GCP solution. Part of this migration was the moving of user / device data from Xively database to a Firebase Cloud Firestore. A TypeScript utility was written to make API calls from the old AWS endpoints to transfer the data into the Firebase Cloud Firestore system.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">Django Endpoints and Test API Framework</span><span class="c0">: Upgraded Django web application hosted in the Google Cloud Platform to have dynamic demo capability for on-stage expos. This demo required a facilitator on stage to utilize the web application from a laptop or mobile device to demonstrate the web applications features while ~500 concurrent audience members could see the results of the feature demonstration. This required an architecture upgrade for Django to utilize the ASGI protocol via the Channels framework. Once upgraded, a web socket protocol was utilized to facilitate the demo capabilities. Other changes included allowing access to a mobile device camera, OCR capabilities via the Google Vision API, and an application protocol to facilitate the demo capability over the web socket. Establishment of API endpoints and the ability to validate those endpoints for non-degradation / performance testing. The API endpoints were developed in Django Python interfacing business logic working with a Postgres database. API documentation was auto generated via swagger.io. Finally, all documentation hosting, Django admin pages, and the demo application completely share a custom look and feel for a light and dark theme. The Test API Framework was developed in Python 3 CLI app utilizing the requests and tabulating python modules. The framework was compiled into an executable to work on Mac OS/ Windows OS. The framework would utilize JSON test input files to validate expected returns from API calls along with measuring how long the calls took. This was summarized in a metrics report. All of this was to support Django Endpoints into other systems the client was supporting.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">Jeep Pi Explorer Prototype</span><span class="c0">: This is a Raspberry Pi 3 Camera Module project that can capture photos from within an SUV. The project has three primary goals. The first is the capture of the photos, tagging them with GPS and time information. The second goal is the management of those photos by being able to view, delete, share, and move the photos from the SD card to other storage means. The third goal is access to entertainment items to enjoy while camping in those remote areas. The system is developed using Python 2/3 technologies to access aspects of the Raspberry Pi system with an embeddable web app to support the camera capture features. The “share” feature is an eventual Cloud IoT social feature to share photos with other explorers.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">QT Framework Evaluation</span><span class="c0">: Performed a technical evaluation of the QT C++ framework for building desktop and mobile applications to provide a single code base and user interface experience. Wrote a procedure with resource links to set up a QMake project and successfully built an application for those operating systems.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">JUCE Framework Evaluation</span><span class="c0">: Performed a technical evaluation of the JUCE C++ framework for building audio applications. The technical evaluation was to determine how easily one could build user interfaces to target mobile and desktop applications. Identified available training and built several custom components utilizing the framework. The findings are documented in a technical report that will allow other software developers to train and identify the strengths & weaknesses of the JUCE framework as compared to other frameworks.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">Audio Renderer</span><span class="c5">: Written in C/C++ utilizing the Qt Framework for the user interface. Ran on the Windows 7/10 and Mac OS operating systems. Worked on building a custom user interface utilizing Qt widgets. Widgets were highly customized for the clients' look and feel requirements. Utilized the Qt Designer Plugin Architecture to allow the customized widgets to be dragged & dropped with the Qt Designer Tool. Widget customization included overriding behaviors, custom paint events, and heavy emphasis on QSS. Another side task with this client was research into QML. Created two prototypes utilizing QML as the front end. The first was a “pure” QML frontend providing a thin C++ communication layer to allow for interacting with the QML. The second was providing integration of the custom widgets with QML but providing the same C++ communication mechanism as the widgets.</span></li></ul><ul class="c7 lst-kix_list_8-0 start"><li class="c1 li-bullet-0"><span class="c5 c9">Unmanned Aerial Vehicles (UAV)</span><span class="c0">: Worked on UI written in C/C++ with QT framework, which runs on Windows and Linux OS. Supported Army operators in the field for surveillance and search missions. Worked on modifications to the ACE video payload module written in C, which ran on an embedded military platform, for uploading external data files from a Windows laptop. Worked on prototype for emergency transponder broadcasting when loss of communication occurred.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">Electronic Checklist Aide (ECA)</span><span class="c0">: Worked on a team that built an automated electronic checklist aide program for the army operator for flight prep, operations, and landing of the UAV. This project consisted of a generator program for the checklist stored as XML and used by the checklist program. The checklist program utilized multiple sockets to interface with other programs to determine if they successfully completed steps as part of the UAV operations. The library was utilized by both applications for the data model, threading, and logging facilities. 100% functional / conditional test coverage accomplished with QTest and Bullseye.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">CM / Developer Jenkins Automation</span><span class="c0">: Worked on creating a universal make system for Qt series of applications. The custom MAKE files facilitated compiling via QMake with or without Bullseye, running unit tests, XML model validation via custom XSLT files, and building of RPM (Red Hat Linux) / MSI (Windows 7) packages. These were then wrapped with defined scripts bash shell (Red Hat Linux) / BAT (Windows 7 / 2012 Server). These scripts supported building the Jenkins interface for the CM group and the developers via command line development. </span></li></ul><ul class="c7 lst-kix_7s1ev3y4bw06-0 start"><li class="c1 li-bullet-0"><span class="c5 c9">British Tank System</span><span class="c5">: Work on a modernization effort for the British tank system as part of the communications team. The technologies utilized C++ modernization wrapping legacy COM objects performing the legacy mission. Subsystems developed included: 1) Message rules routing for email messages that were communicated via the radio network, 2) Chat templates facility utilizing QT and XML to support chat operations, 3) Redesigned the Chat Gateway Stack responsible for sending/receiving messages via XMPP on a radio NET, and 4) Redesigned the MILCAN BUS to communicate for GIS information about the tank’s position and speed.</span></li></ul><ul class="c7 lst-kix_list_4-0 start"><li class="c1 li-bullet-0"><span class="c5 c9">Collision Avoidance and Broadcast System</span><span class="c0">: Java SE8 Raspberry PI2 embedded application with touch screen for emergency responders that processed, displayed, and communicated Graphical Information System (GIS) data over a radio mesh network to other devices. This was done to avoid colliding with other equipped emergency vehicles. It also provided the ability to trump traffic signals to allow better responses by emergency vehicles. Also included was the documentation of the procedures to load, build, and flash the programs and GIS data.</span></li><li class="c1 li-bullet-0" id="h.jxrajzddk0rf"><span class="c5 c9">Profit Hauler</span><span class="c0">: Android application revamp for tracking truck receipts for end-of-year tax reporting. The revamp included a newly skinned application frontend to be in line with the website and iOS application look & feel. Needed to access the GPS and Camera APIs. Also needed to handle new Android permissions API.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">Digital Signage</span><span class="c0">: Internal product based on ASP .NET web server, C# Win Form application for management, and a web based front-end for displaying content on flash drives on Windows dedicated screens.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">Human Resources</span><span class="c0">: ExtJS web site with a Java EE / MySQL backend for managing employees time off and vacation based on time-of-service with the company.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">ISEF</span><span class="c0">: ExtJS web-based application for modeling software requirements like Rational Rose Use Case Management.</span></li></ul><ul class="c7 lst-kix_list_9-0 start"><li class="c1 li-bullet-0"><span class="c5 c9">Global Windows Provisioning</span><span class="c0">: Aided the System Administration team in developing a series of PowerShell scripts forming a framework for installing software (COTS, custom, security updates) to support the Defense Information System Agency (DISA) hardening of multiple Windows OS platforms worldwide. Skills from this endeavor allowed the Software Engineering team to develop installation packages from custom applications and build simulation/test capabilities using the .NET platform.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">Advanced Storage Unit (ASU) Upgrade</span><span class="c0">: The MGS is an older mobile system that utilizes 8MM tapes to load the software system. The tape drives were dying, and the government procured the Advanced Storage Unit (ASU) to replace the tape drives. Led a team of five Software Engineers, one Systems Engineer, one HW/Network Engineer, and two Test Engineers to deploy the ASU. This required an update of all site procedures from utilizing 8MM tapes to utilizing the ASU. Use case analysis of both operations/maintenance procedures yielded three new Java applications and the modification of 1970s mainframe applications to communicate via TCP/IP. This was to allow for the development/deployment of a Java virtual tape library server within a WAN accessible by the modified mainframe programs and a dedicated Java client. The final Java program is a dedicated application for transferring data to and from the ASU/virtual tape library.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">MWDCS Application Suite</span><span class="c0">: Developed a new application for addressing multiple usability and performance issues with four originally developed Java applications on a Windows platform. This required the development of an application bridge to each of the four original Java applications (i.e., turn them into libraries) to maximize code reuse and consolidate the application into a single application view.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">Advanced Display Unit Screen Capture</span><span class="c0">: A C++ embedded vxWorks display system for receiving vector graphics from the MGS and keyboard / trackball from customized keyboard hardware. The display unit ran an X-Window system for vector graphics information. Built into this system is the ability to perform a screen capture and pipe that information to a Windows XP embedded system as a JPEG image for review by the client.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">MGT Communications Application</span><span class="c0">: Was the creation of a new Java application for the MGS to handle multiple satellite communication interfaces and an Ethernet interface for receiving and transmitting messages. This application required a searchable database and a service to run so the operator could receive data while not being logged into the platform. This effort was a team of three Software Engineers and two Test Engineers with a turnaround time of 6 months and ~18,000 SLOC.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">GCNM Operator Display Application</span><span class="c0">: Led a team of three Software Engineers to build a command and status application for server applications within a WAN. This Java application communicates with the server applications over SSL, providing user credentials when issuing commands and displaying status of all the server applications. In total, there were four to six active servers within the WAN. The server changes were in C++ requiring the use of OpenSSL, PAM, and implementing SNMP v3.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">GCNM Toolkit Application</span><span class="c0">: Led a team of five Software Engineers to implement the GCNM Toolkit application. This application was an offline application providing management and testing of server applications within a WAN. This is a collection of 7 tools that provide log management, server configuration, scenario editing, and simulation testing. The other set of tools provided management of the many features.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">GCNM Java Common Services Module</span><span class="c5">: Developed a reusable library for the Java applications that wrap many Javas APIs into a reusable set of classes between the applications. Some of the features include SSL, Socket transactions (TCP server, client, and UDP), threading, database transactions, XML parsing, and RMI.</span></li></ul><ul class="c7 lst-kix_list_10-0 start"><li class="c1 li-bullet-0"><span class="c5 c9">Eglin Space Surveillance Radar Modernization</span><span class="c0">: Systems Analyst / Software Integrator responsible for the collection/analysis of software development metrics and software subsystem integration/testing within a real-time Java Runtime Environment (JRE). Accomplishment of these tasks included the development of MS Access 2003 database applications, development of test utilities in Java/Unix Shell scripts, and the development of internal operating procedures.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">Ground Communication Network Modernization (GCNM)</span><span class="c0">: System Test Lead responsible for the development of a program test plan, test execution plans, reports for major test phases, and developing the regression test cases against the system requirements (218 software, hardware, and network). Accomplishment of these tasks included the development of MS Access 2003 database applications, development of test tools in Unix Shell scripts/awk scripts, utilization of test tools (Wireshark, simulators, etc.), and the utilization of software / network models.</span></li><li class="c1 li-bullet-0"><span class="c5 c9">Large Processing Station (LPS) / Mobile Ground System (MGS) Missile Warning Systems</span><span class="c5">: Programmer Analyst responsible for the analysis/implementation/testing of problem reports. Accomplishment of these tasks included the development of requirements/design models of the problems, implementation of code changes, updates to user documentation, and development of unit/system test procedures. Languages utilized were Fortran 77, Assembler 370, JCL, C, and textual dataset updates.</span></li></ul></td></tr><tr class="c12"><td class="c37" colspan="1" rowspan="1"><p class="c29"><span class="c24">Education</span></p></td><td class="c15" colspan="3" rowspan="1"><ul class="c7 lst-kix_list_5-0 start"><li class="c25 c40 li-bullet-0"><span class="c0">MS in Computer Science (Software Engineering) / 2007 / Colorado Technical University</span></li><li class="c25 c40 li-bullet-0"><span class="c0">BS in Computer Information Systems Management / 2004 / Colorado Christian University</span></li><li class="c25 c40 li-bullet-0"><span class="c0">AAS in Computer Programming / 1998 / College of Southern Maryland</span></li></ul></td></tr><tr class="c12"><td class="c37" colspan="1" rowspan="1"><p class="c29"><span class="c24">Training</span></p></td><td class="c15" colspan="3" rowspan="1"><ul class="c7 lst-kix_list_6-0 start"><li class="c25 c40 li-bullet-0"><span class="c0">Connect and Protect: Networks and Network Security / 2026 / Coursera Google Career Certificates</span></li><li class="c25 c40 li-bullet-0"><span class="c0">Pay It Safe: Managing Security Risks / 2025 / Coursera Google Career Certificates</span></li><li class="c25 c40 li-bullet-0"><span class="c0">Foundations of Cybersecurity / 2025 / Coursera Google Career Certificates</span></li><li class="c25 c40 li-bullet-0"><span class="c0">AFSPACE USSTRATCOM NORAD SCTP Overview Course / 2007 / AFSPACE</span></li><li class="c25 c40 li-bullet-0"><span class="c0">Space Control Missile Defense-Missile Warning Test Manager Workshop / 2006 / Dynamics Research Corporation</span></li><li class="c25 c40 li-bullet-0"><span class="c0">Supervisor Certification / 2006 / ITT Industries</span></li><li class="c25 c40 li-bullet-0"><span class="c0">Object-Oriented Analysis and Design Using UML / 2004 / Sun Microsystems</span></li><li class="c25 c40 li-bullet-0"><span class="c0">Combined Test Force CCIC2S Test manager Course for Cheyenne Mountain Complex / 2004 / CMOC SPO</span></li><li class="c25 c40 li-bullet-0"><span class="c0">Network Administration for the Solaris 9 OS / 2003 / Sun Microsystems</span></li></ul></td></tr><tr class="c12"><td class="c37" colspan="1" rowspan="1"><p class="c29"><span class="c24">Awards</span></p></td><td class="c15" colspan="3" rowspan="1"><ul class="c7 lst-kix_list_2-0 start"><li class="c25 c40 li-bullet-0"><span class="c0">Special Recognition Awards / 2014, 2013 (2x), 2008 / Lockheed Martin</span></li><li class="c25 c40 li-bullet-0"><span class="c0">SPOT Awards / 2011, 2010, 2009, 2007 / Lockheed Martin</span></li><li class="c25 c40 li-bullet-0"><span class="c0">SBIRS New Ways of Doing Business Team Award / 2008 / Lockheed Martin</span></li><li class="c25 c40 li-bullet-0"><span class="c0">Peer Recognitions / 2003, 2002, 2001 / Software Engineering Support Contract</span></li></ul></td></tr></table><p class="c35"><span class="c0"></span></p><div><hr><p class="c25 c36"><span class="c33"></span></p><table class="c28"><tr class="c2"><td class="c31" colspan="1" rowspan="1"><p class="c25 c39"><span class="c16">Mark Shaffer’s Resume</span></p></td><td class="c38" colspan="1" rowspan="1"><p class="c29 c49"><span class="c16">Last Updated February 2026</span></p></td><td class="c38" colspan="1" rowspan="1"><p class="c13 c42"><span class="c16"></span></p></td></tr></table><p class="c35"><span class="c33"></span></p></div></body></html>