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Senior Associate, Systems Engineer

L3HARRIS Technologies

Greenville, TX · Posted October 13, 2026

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About the job

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

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