[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All L3Harris Technologies jobs](https://jobs.opennash.com/companies/l3harris-technologies/) · [Search jobs](/search/) L3Harris Technologies · Greenville, TX # Senior Associate, Systems Engineer Greenville, TX, US Full-time Senior individual contributor {'@type': 'MonetaryAmount', 'currency': '', 'value': {'@type': 'QuantitativeValue', 'unitText': ''}} Operations Listed on L3Harris Technologies’s official careers site. Posted October 13, 2026. Check that it is still open and apply there. [Apply on L3Harris Technologies’s careers site →](https://careers.l3harris.com/en/job/greenville/senior-associate-systems-engineer/4832/101907371760) [OpenNash Jobs](https://jobs.opennash.com/) / [L3Harris Technologies](https://jobs.opennash.com/companies/l3harris-technologies/) / Senior Associate, Systems Engineer ## Job description 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 Associate, Systems Engineer Job Code: 46020 Job Location: Greenville, TX Schedule: 9/80 - Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off. Role will require “on-call” availability during nights and weekends, with potential requirement to come on site during overnight hours. ### Job Description The Senior Associate, Systems Engineer (SE) will be responsible for performing technical planning, systems integration, verification and validation, and troubleshooting for total systems and/or subsystems. The ideal candidate will have experience with systems engineer/architect work with a desire to work in a dynamic, fast-paced Quick Reaction Capability (QRC) environment alongside other highly motivated engineering team members. The SE is part of a team that supports the requirements, design, development, test, and integration of complex, specialized hardware/software systems installed on ground and airborne platforms. ### Essential Functions 25% travel based on business needs once the candidate has been fully trained and ascimilated to the role. Translate the voice of the customer into system-level requirements. Perform requirement traceability, and verification testing. Develop and evaluate trade studies for accuracy and completeness. Evaluate alternative solutions and establish preliminary system designs. Write subsystem specifications based on system-level requirements. Understand physical architectures incorporating voice, video, and data capability across multiple security domains. Create System Block Diagrams. Review and evaluate electrical wiring diagrams to ensure design details trace to system requirements. Interpret complex system ICDs to new architecture designs. Understand test, integration, verification, and validation planning. Write effective verification test procedures to ensure system performance and capabilities meet system requirements. Prepare effective presentations to communicate technical information to both technical and non-technical professionals. Desire to work in a dynamic, fast paced Quick Reaction Capability (QRC) environment. Working knowledge of LAN and VOIP protocols to include IP routing. ### Knowledge of mission systems EO/IR, Video, Networks, SI/EW, Avionics Interfaces, etc. Troubleshooting and multi-level testing and analysis of various electrical signal interfaces and RF systems. Knowledge of requirement traceability methods and purpose, and the systems engineering trade study process. Working with subcontractors and U.S. Government customers. Developing, authoring, and implementing system test plans. Engineering efforts involving FAA-certified general category aircraft. Perform other duties as assigned. ### Qualifications Active DoW Secret security clearance. Bachelor’s Degree with 2 years of experience with Aircraft systems architecture design, integration, and/or ground/flight test certification. Graduate Degree with 0-2 years of experience with Aircraft systems architecture design, integration, and/or ground/flight test certification. In Lieu of a degree, a minimum of 6 years of experience with Aircraft systems architecture design, integration, and/or ground/flight test certification. Demonstrated 2 or more years of hands-on experience with systems engineering, configuration, testing, integrating, and/or verifying software and/or hardware in a multi-domain mobile airborne datalink, video, voice and data communication systems environment. ### Preferred Additional Skills Active Top Secret/SCI Security Clearance #LI-AM2 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. For information regarding your Right To Work, please click here for English or Spanish. ## At a glance - Posted by the employer: Oct 13, 2026 - First seen by OpenNash: Oct 19, 2026 - Last checked: Oct 19, 2026 - Listed for: 6 days - Location: Greenville, TX, US - Employment type: Full-time - Pay: {'@type': 'MonetaryAmount', 'currency': '', 'value': {'@type': 'QuantitativeValue', 'unitText': ''}}[Apply on L3Harris Technologies’s careers site →](https://careers.l3harris.com/en/job/greenville/senior-associate-systems-engineer/4832/101907371760) ## More jobs at L3Harris Technologies ### [Specialist, Systems Engineering](https://jobs.opennash.com/companies/l3harris-technologies/jobs/e069549b87d08dad5e0c/) Greenville, TX, US ### [Specialist, Systems Engineering - Hardware](https://jobs.opennash.com/companies/l3harris-technologies/jobs/5416af2c97789e7df66b/) Greenville, TX, US ### [Sr. Associate, Electrical Engineer (Instrumentation/Aircraft Systems)](https://jobs.opennash.com/companies/l3harris-technologies/jobs/64e8c41ff69da2bb0475/) Greenville, TX, US ### [Associate, Industrial Security](https://jobs.opennash.com/companies/l3harris-technologies/jobs/a43e0a1fe0c00e658064/) Greenville, TX, US ### [Associate, Mechanical Engineering - Sustainment](https://jobs.opennash.com/companies/l3harris-technologies/jobs/dca2e9b4330a0882247c/) Greenville, TX, US ## Similar jobs at other companies ### [Systems Engineer Principal – Lead Systems Engineer - Sign On Bonus](https://jobs.opennash.com/companies/bae-systems/jobs/657e2c9d99a45a32a818/) BAE Systems · Boulder, Colorado, United States ### [Systems Engineer - Combat Systems](https://jobs.opennash.com/companies/lockheed-martin/jobs/cdb84be64109906ae413/) Lockheed Martin · Mount Laurel, NJ ### [Systems Engineer - Hardware Systems- E2](https://jobs.opennash.com/companies/lockheed-martin/jobs/197ed5bba715ba05d3b0/) Lockheed Martin · Owego, NY ### [Systems Engineer - Cryptographic Systems](https://jobs.opennash.com/companies/general-dynamics/jobs/99045b965b31d498e485/) General Dynamics · Dedham, MA, US ### [Systems Engineer Regional Strike Programs(Hardware-Systems / Systems / Test & Integration / MBSE)](https://jobs.opennash.com/companies/general-dynamics/jobs/8609e6d6cbe4e725381c/) General Dynamics · Pittsfield, MA, US OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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