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Salary
≈ $64k – $117k per year (Estimated)
Location
In office (Wilmington)
Seniority
Middle · 4+ years exp
Visa
H-1B filings in 12 months: 5

Confirmed on the employer's own hiring board on Oct 31, 2026. First seen by Alion on Oct 30, 2026. L3Harris Technologies scores A on the Alion truth index.

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L3Harris Technologies is an American defense contractor formed in 2019 by the merger of L3 Technologies and Harris Corporation. It builds tactical radios and military communication systems, electronic warfare and intelligence, surveillance and reconnaissance equipment, space sensors and satellites, night vision devices, and uncrewed surface vessels, and owns the rocket engine maker Aerojet Rocketdyne. Its main customers are the United States Department of Defense and allied governments. The company is headquartered in Melbourne, Florida, United States.

Job Title: SrAssociate, Integration & Test Engineering

Job Code: 47049

Job Location: Wilmington, MA

Job Schedule: 1st shift/980

Job Description:

During its 120-year history, L3Harris has transformed communications and information technology. L3Harris is a proven leader in tactical communications, geospatial systems and services, air traffic management, environmental solutions, avionics and electronic warfare, and space and intelligence. From ocean to orbit and everywhere in between, we provide mission-critical solutions to connect, inform and protect the world.

On the L3Harris team, your job is to secure the world. We don't work here just for the advanced technology and equipment: we work here because we know what - and who - we're protecting! From families to the intelligence community, and from our climate to our men and women in uniform - we're making the world a safer place!

L3Harris Space Superiority group has an opening for an Associate, Integration & Test Engineer to join our team of qualified, diverse individuals. This position will be in Wilmington, MA. The individual will work in a fast-paced environment with high expectations, significantly diverse assignments, and a collaborative team setting.

The ideal candidate for this role will have experience in: the configuration and operation of test subsystems and systems within a Thermal Vacuum Environment or Vibration environment; verification testing and development of required test support equipment; supporting a cross functional team as part of an Environmental Space Simulation test campaign for an EO Space System Payload.

Essential Functions:

  • Support the set-up, configuration, and documentation of hardware and software systems under test
  • Support design, development, and implementation of cost-effective procedures for testing and troubleshooting of components, sub-assemblies, assemblies, and systems
  • Support development of test plans, test procedures, requirements traceability, test reports, test flow, and test case design and implementation
  • Present test strategies, plans, and results to internal and external customers
  • Support formal systems acceptance testing activities
  • Document testing issues and failures and perform analysis of test results
  • Support failure investigation activities and failure review board (FRB) meetings

Qualifications:

  • Bachelor’s Degree with 0 to 2 years of prior related experience. In lieu of a degree, minimum of 4 years of prior related experience
  • Experienced in the use of Microsoft Office, including Visio, Word, PowerPoint and Excel
  • Communication Skills: Excellent verbal and written communication skills, with the ability to clearly convey complex technical information to diverse audiences.
  • Problem-Solving Skills: Strong analytical and problem-solving abilities, with a proven track record of tackling complex engineering challenges.
  • Collaboration: Ability to work effectively in a team environment and collaborate with multidisciplinary teams to achieve project goals.
  • Security Clearance: Candidate must be eligible to obtain a DoD security clearance.

Preferred Additional Skills:

  • Security Clearance: Holds an active Secret or Top Secret/SCI clearance.
  • Prior experience working on a multi-disciplinary engineering team.
  • Knowledge in requirements analysis and verification.
  • Knowledge in communications systems, software languages, automated software test, networks, network security, power systems, antennas, RF, and/or mechanical design and analysis.
  • Experience with environmental space simulation (TVAC) and equivalent launch energy testing (Vibe) of exquisite electro-optical satellite flight hardware systems.
  • Ability to troubleshoot complex thermal vacuum and electromechanical test equipment
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