Associate Systems Integration and Test Engineer

Leidos•Gaithersburg, MD

1d•Hybrid

About The Position

Associate Systems Integration & Test Engineer UK NASR PDT Evolution Program Leidos is seeking a Systems Integration & Test Engineer to be based out of Gaithersburg, MD. This position will support the United Kingdom National Airspace System Replacement Product Delivery Team - UK NASR PDT. This effort delivers enhanced capabilities to replace and modernize the current operational system supporting UK air traffic services. You will join a dynamic engineering team responsible for building and sustaining real-time, high-availability, safety-critical systems that directly support national airspace operations. This is a U.S.-based position that offers a balanced hybrid schedule between 2-3 days in the office per week. Why Leidos You will play a critical role in validating and integrating software that supports national airspace operations. This position requires precision, discipline, and leadership — ensuring complex systems perform reliably in operational environments where safety and performance are paramount. If you are motivated by solving complex integration challenges and leading formal verification efforts in regulated, mission-critical systems, we encourage you to apply. ATMC If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Requirements

Bachelor’s degree in a related technical discipline
Ability to obtain and maintain a Public Trust clearance
Experience with integration and test activities for complex software systems
Experience working within a defined Integration & Test development lifecycle
Integration experience with large, distributed, or real-time systems
Experience working in UNIX and/or Linux environments
Demonstrated ability to lead cross-functional teams and coordinate formal test events
Strong communication skills to interface effectively with internal teams and external government stakeholders
US citizenship required

Nice To Haves

Integration experience in one or more of the following areas: New system functionality integration Regression testing Problem determination and root cause analysis Data reduction and analysis PR verification and change validation
Experience supporting formal government acceptance testing
Familiarity with systems engineering practices including: Requirements engineering Requirements baseline control and management Operational and decision analysis System definition and architecture development
Air Traffic domain knowledge or experience supporting air traffic programs
Experience operating in fast-paced, high-accountability environments requiring independent execution

Responsibilities

Design, develop, and execute comprehensive integration and test plans, procedures, and cases to verify system functionality, performance, and requirements compliance
Coordinate formal test events including: Factory Acceptance Testing (FAT) Functional Testing System & Integration Testing User Acceptance Testing (UAT)
Ensure traceability between requirements, verification activities, and test artifacts
Develop and maintain automated test scripts using tools such as HP ALM, Selenium, or equivalent platforms
Track and report test execution status, producing detailed reports and artifact packages for internal stakeholders and government customers
Manage defects, change requests, and action items through resolution
Facilitate test readiness reviews, peer reviews, and customer-facing test planning sessions
Collaborate with software engineers, system engineers, and program leadership to ensure testability of requirements and alignment with project schedules
Support development and maintenance of systems engineering documentation including: Requirements Verification Matrices (RVM) Interface documentation Architectural artifacts