Lead Systems Integration and Test Engineer

Leidos • Gaithersburg, MD

19h • $87,100 - $157,450 • Hybrid

About The Position

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.

Requirements

• Bachelor’s degree in a related technical discipline with 4+ years of professional experience, OR Master’s degree with 2+ years of professional experience
• Ability to obtain an SF-85P Public Trust clearance from the FAA customer.
• Experience leading integration and test activities for complex software systems
• Experience working within a defined Integration & Test development lifecycle
• Strong hands-on 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

Nice To Haves

• Advanced 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
• Lead and 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
• Mentor junior engineers and promote best practices in integration and verification

Benefits

• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level