The Operational Test and Evaluation Engineer support DHS Customs and Border Protection acquisition programs by planning, executing, and analysing operational tests of homeland security technologies. This role evaluates system effectiveness, suitability, and cyber resiliency in realistic operational environments, develops test strategies and documentation, and delivers clear analytical findings to inform acquisition decisions. Working closely with CBP, DHS stakeholders, and interagency partners, the engineer ensures testing aligns with DHS policies, mission requirements, and acquisition milestones.