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Salary
$67k – $124k per year
Location
In office (Clifton)
Seniority
Senior · 2+ years exp
Visa
H-1B filings in 12 months: 5

Confirmed on the employer's own hiring board on Oct 20, 2026. First seen by Alion on Oct 5, 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:Senior Associate, Field Service Engineer

Job Code:45583

Job Location:Clifton, NJ

Job Schedule:9/80-Employees work 9 out of every 14 days- totaling 80 hours working- and have every other Friday off

Job Description:

L3Harris is seeking a Field Service Engineer to perform integration, test, installation and customer support, as well as performing necessary diagnoses, troubleshooting, service, and repair of Recon systems.

The position also includes testing and approval of operational quality of system equipment, instructs customers in the operation and maintenance of the system, serves as company liaison with customer on administrative and technical matters, interprets customers' needs and clarifies responsibility for problem resolution when the responsibility of the problem falls to Program Management or Business Development. Up to 30 days of continuous travel may be required.

Essential Functions:

  • Perform repair, integration and testing per procedures of ES-3601, ES-3701 and ES-5080 Recon LRU’s and Systems.
  • Perform field installation of Recon systems within the Continental United States (CONUS) & outside the Continental United States (OCONUS) customer sites.
  • Set up and operate Radio Frequency (RF) test equipment in accordance with test procedures.
  • Utilize RF test equipment to demonstrate proper function or to analyze malfunctions using manufacturer’s manuals and specifications.
  • Repair, replace and adjust equipment or components.
  • Inspection of RF components of equipment for accurate assembly and for defects such as loose screws, nuts connections and frayed wires.
  • Consult with other Field Engineers, supervisors, and other engineers to plan layout of equipment and to resolve problems in system operations and maintenance.
  • Perform installation of repaired equipment in various settings, such as industrial and military establishments.
  • Ability to climb both vertical ladders and stairways and work in tight spaces.
  • To stand, kneel, extend overhead for prolong periods of time.
  • Complete all required documentation for review and submission.

Qualifications

  • Minimum of 2 years of experience troubleshooting equipment, reading and interpreting RF/electronic/mechanical schematics
  • 4 years of related military experience or 2-year technical degree with a minimum of 2 years of prior related experience

Preferred Additional Skills:

  • Excellent organizational skills.
  • Effective communication skills in a collaborative team environment.
  • Highly motivated, self-starter and willing to learn.
  • Security Clearance: ability to acquire Secret Department of Defense (DoD)
  • Technical understanding of military (and/or civilian) Radar/Recon equipment in RF Defense environments.
  • Demonstrable understanding of Radar/Communications systems principles, theory and application in practice.
  • Tests, packs, ships, installs and operates RF/systems/equipment at various remote locations.
  • Troubleshooting and repairs of RF systems/equipment by reading and interpreting schematics and by using simple and complex test equipment

In compliance with pay transparency requirements, the salary range for this role in New Jersey is [$67,000 - $124,000]. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.

#LI-JD3

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