Senior Specialist, Integration & Test Engineer

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Integration & Test Engineer  Job Code: 42447 Job Location: Melbourne, Florida Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked, and have every other Friday off   Job Description: L3Harris Intelligence & Cyber Sector, within the Space and Mission Systems Segment, is seeking an experienced System Software Integration and Test Engineer to support complex cyber-resilient, cloud-based solutions across the full product lifecycle. The selected candidate will lead and support system integration and test activities, including requirements analysis for testability, test architecture development, integration planning, verification execution, anomaly resolution, and production support, while developing and executing test plans, procedures, and integration flows for subsystems, lower-level assemblies, and end-to-end First Article testing.   Additional responsibilities include coordinating integration activities across test beds, hardware/software-in-the-loop environments, and software simulators developed internally and by subcontractors. The engineer will define and implement verification strategies, support requirements traceability and compliance, evaluate subsystem- and system-level performance, and collaborate cross-functionally with systems engineering, software engineering, quality, operations, and external partners to resolve technical issues and ensure successful execution of system-level integration and verification objectives. The ideal candidate will have experience with complex system integration, aerospace or spacecraft test environments, and structured verification and validation processes.   Essential Functions: Oversee the integration and testing of lower-level software components through subsystem and application-level verification. Develop and maintain test documentation, including Test Requirements Documents, Test Design Documents (TDDs), Test Plans, and test procedures. Support and direct personnel in the execution of secure software solutions, including vulnerability scanning, secure interface verification, continuous update testing, and compliance documentation validation prior to release. Develop and execute functional, performance, integration, and qualification test procedures, and document results to verify compliance with program requirements. Support test environment setup, script development, test procedure development, implementation, checkout of software test platforms, and evaluation of analysis tools, as required. Identify, document, track, and assist in resolving software integration and test issues through closure. Analyze test results, identify anomalies, and collaborate with development teams to determine root cause and support corrective actions. Represent Software Integration and Test in major technical reviews, including SRR, SDR, PDR, CDR, and TRR. Partner with cross-functional teams, including Systems Engineering, Project Engineering, Cybersecurity, and Software Engineering, during requirements analysis and verification planning, including development and maintenance of the Requirements Verification Traceability Matrix (RVTM). Support secure software deployment activities and ensure verification of