Senior Test Engineer

MANTECH seeks a career and customer-oriented Senior Test Engineer to join our team in Washington, D.C. This is a hybrid position with 1 day onsite and 4 days remote per week.The role requires an individual with a unique combination of deep technical knowledge, managerial acumen, and extensive experience within the DHS or Department of War (DoW) acquisition ecosystems.Responsibilities Include But Are Not Limited ToServe as a technical authority for the overarching Test and Evaluation strategy for science and technology, developmental, and acquisition programs delivering operational capabilities in support of the border security missionProvide consultation on the design of rigorous Verification and Validation plans and the execution of Technology Readiness Assessments Support large-scale field testing, technology demonstrations and exercises, overseeing Red Team probing of adaptive response logic, and validating end-to-end continuous learning loops across multi-level security boundariesPerform functional, regression, performance, and integration testingArchitect the testing frameworks used to validate physics-based fidelity in Modeling and Simulation catalogs and ensure compliance with National Institute of Standards and Technology Artificial Intelligence Risk Management Framework controlsEnsure that all deliverables meet DHS S&T quality standardsServe as a key bridge between mission requirements and technical implementation, ensuring that Research, Development, Test, and Evaluation efforts are consistently documented to support procurement decisionsOccasional travel required Minimum QualificationsBachelor's degree in Engineering, Sciences, or a related field5+ years of experience in test and evaluation Experience with DHS acquisition policy and DHS systems engineering lifecycleProven experience in developing complex technical reports and briefings for senior leadershipPreferred QualificationsMaster's degree or PhD in Engineering, Sciences, or a related field War Acquisition University (WAU) or DHS System Engineering or Test and Evaluation CertificationsComprehensive understanding of DHS Acquisition Management Instruction 102-01Clearance RequirementsMust be able to obtain and maintain a DHS Public Trust clearance prior to starting this position Must be able to obtain a Secret clearance Physical RequirementsThe person in this position must be able to remain in a stationary position 50% of the timeOccasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations