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 software baselines, interfaces, and configuration changes. Work extended and weekend hours, as needed, during critical program integration and test phases. Be available to travel up to 10%, as required. Qualifications: Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience. Active TS/SCI clearance. Preferred Additional Skills: 2 years of network administration experience including configuration of firewalls, VPNs, zero-trust models in support of software-defined cloud networking. 2 years with CRA Software integration, testing, and troubleshooting. Experience working on defense systems, including space payloads, spacecraft buses, ground systems, and environmental testing. Experience with the five pillars of cyber resilience; prepare/identify, protect, detect, respond, and recover. Experience with hardware and software requirements testability, requirements definition, block diagrams, interconnect diagrams, and hardware/software integration. Experience using DOORS and/or MBSE tools such as Cameo and Magic Draw are a plus. Experience with automation and scripting languages such as Java, Python, and Perl. Experience with Jira, Bitbucket, Confluence, and source control tools. Hands-on experience with RF test and measurement equipment, including modems, emulators, spectrum analyzers, network analyzers, logic analyzers, signal generators, oscilloscopes, and power sensors, in support of integration, verification, and system performance evaluation. LI-FS1 L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish . 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