Principal Systems Engineer

Mayvin is currently seeking a Principal 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 senior 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).

Must be a U.S. Citizen.

Must have an active Secret clearance.

This position is contingent upon award.

Responsibilities :

• 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 senior technical SME 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