> Markdown version of [/jobs/ext/3038246-senior-systems-engineer](https://www.wearedevelopers.com/jobs/ext/3038246-senior-systems-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Systems Engineer - **Company:** Mayvin, Inc. - **Location:** Washington, DC, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Systems Engineering, Requirements Traceability, Test Data, Test Scripts, SC Clearance - **Published:** September 23, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9185566/senior-systems-engineer ## About the Role Must be a U.S. Citizen. Must have an active SECRET clearance. ## Description Mayvin is currently seeking a Senior Systems Engineer to provide support to the Test & Evaluation (T&E) Division in the Department Homeland Security's Federal Emergency Management Agency (DHS FEMA). This individual will serve as a technical leader supporting DHS/FEMA and CWMD test and evaluation activities for Chemical, Biological, Radiological, and Nuclear (CBRN) detection systems. This position is responsible for planning, coordinating, executing, analyzing, and reporting developmental and operational testing to support acquisition decisions, technology maturation, and operational fielding; ensures test artifacts and processes comply with DHS Directive 102-01, Acquisition Management; DHS Directive 026-06, Test and Evaluation; and CWMD Operating Instruction 1 (OI-1)., * Lead and support system-level technical and operational test events for CBRN detection systems at government and contractor facilities, including participation in IPTs, working groups, Test Readiness Reviews, Deficiency/Safety Review Boards, Operational Readiness Reviews, and critical design reviews * Translate operational requirements, CONOPS, and technical specifications into measurable test objectives and verification criteria, ensuring requirements traceability, testability, and mission relevance throughout the system lifecycle * Lead evaluation and interpretation of test data, developing technical assessments, operational test reports, and executive briefings that inform system improvements, acquisition decisions, and operational readiness determinations * Provide technical support across Integrated Product Teams, operational users, and industry partners to resolve complex integration challenges, align testing objectives, and advance CBRN capability development * Drive continuous improvement of DHS and FEMA test processes through technical reviews, lessons learned, quality assurance activities, and implementation of best practices that enhance test rigor, repeatability, and decision-making confidence ## Related Videos - [Dirty Tests And How To Clean Them](https://www.wearedevelopers.com/videos/515-dirty-tests-and-how-to-clean-them) - [Are Classical Automation Frameworks Dead? How AI Agents Are Transforming QA](https://www.wearedevelopers.com/videos/100243-are-classical-automation-frameworks-dead-how-ai-agents-are-transforming-qa) - [How to add test automation to your project: The good, the bad, and the ugly](https://www.wearedevelopers.com/videos/1668-how-to-add-test-automation-to-your-project-the-good-the-bad-and-the-ugly) - [Stop Guessing, Start Measuring: Evaluating RAG Systems with Synthetic Test Data](https://www.wearedevelopers.com/videos/1982-stop-guessing-start-measuring-evaluating-rag-systems-with-synthetic-test-data) - [Fighting test flakiness with time machines](https://www.wearedevelopers.com/videos/834-fighting-test-flakiness-with-time-machines) - [Modern Data Architectures need Software Engineering](https://www.wearedevelopers.com/videos/1030-modern-data-architectures-need-software-engineering) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Why Attend a Developer Event in 2026?](https://www.wearedevelopers.com/magazine/688-why-attend-a-developer-event-in-2026) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering)