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Salary
$153k – $284k per year
Location
In office (Yorba Linda)
Seniority
Architect · 16+ years exp
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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 13, 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: Scientist/Chief Engineer

Job Code: 45338

Job Location:Yorba Linda, CA.

Work Schedule: 4/10: Employees work 10 hour days, 4 days a week; or 9/80: Employees work 9 out of every 14 days- totaling 80 hours worked- and have every other Friday off

Clearance: Must Have Active Secret Clearance to Be Considered

L3Harris is looking for a dynamic Chief Engineer to support key programs within our Navigation Solutions (NS) business at L3Harris Interstate Electronics Corp (IEC) in Yorba Linda, CA. This position reports to the Director of Engineering for NS. The candidate will be a senior technical representative in collaboration with engineers, program management, and the customer. The Chief Engineer is the technical authority for the program and will drive technical, strategic, and tactical direction for their program. The candidate must have deep and broad technical, leadership, preferably with experience in military GPS and Assured Position Navigation and Timing (A-PNT) technology. Navigation Solutions products provide advanced military GPS, Anti-Jam systems, and other Assured Position, Navigation, Timing (A-PNT) capabilities in military embedded real-time systems that can be used in weapons, ground, airborne, maritime, and space environments.

Job Description:

L3Harris is looking for candidates for the Scientist, Chief Engineer to fill the technical expert role in the GPS User Equipment for our Navigation Solutions (NS) business in Yorba Linda, CA (IEC). The candidate will be responsible for and provide deep and broad GPS and Assured Position Navigation Timing (A-PNT) User Equipment technical expertise in all Engineering disciplines on multiple programs. Our Navigation Solutions products provide advanced military GPS (MGUE) and A-PNT capabilities in military embedded real-time systems that can be used in weapons, ground, airborne, maritime, and space environments.

Essential Functions:

  • Serves as the primary technical authority and technical interface for a program within the Navigation Solutions (NS) business, collaborating with Engineers, Program Management, Business Development, Customers, and Suppliers.
  • Lead, provide direction and guidance, review, and be the technical expert of the work from engineering personnel on the program to accomplish near-term and long-term operational plans and results.
  • Execute technical vision and tactical technical execution of a program.
  • Drive technical excellence and mission success for the program.
  • Actively develop and support new business opportunities.
  • Communicates within and outside own function to explain and gains cooperation on policies and practices.
  • Drive closure and resolve complex technical issues and challenges effectively.
  • Lead failure investigations and troubleshooting for Development and Production programs.
  • Make substantial improvements to processes, systems, and solutions.
  • Work under consultative direction against annual goals and objectives to manage large, complex project initiatives of strategic importance to the organization.
  • Maintain outstanding communication and excellent soft skills.
  • Collaborate with customers, suppliers, and other business areas to execute programs.
  • On-site and potential travel up to 30% of the time.

Qualifications:

  • Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM) or related discipline with a minimum of 12 years of prior related experience or a Graduate degree with a minimum of 10 years of prior relevant experience. In lieu of a degree, minimum of 16 years of prior related experience.
  • 7+ years combined successful experience as a Chief Engineer or Technical Lead of major programs with deep and broad technical capabilities in GPS, APNT, RF, Signal Processing, and/or GNC.
  • 7+ years of Engineering technical, functional, and leadership experience within stringent technical, schedule, and budget requirements.
  • 7+ years of experience in leading and tracking projects, risk/opportunities, proposals, processes, and employees.
  • 7+ years of experience demonstrating outstanding verbal and written skills for the internal team, business, customers, and program stakeholders.
  • 7+ years of experience with DoD customers.
  • 4+ years of experience in earned value (EV) management, metrics development and tracking, and basis of estimates.
  • Active DoW SECRET clearance or higher.

Preferred Additional Skills:

  • Technical depth and breadth in GPS / PNT technology, MGNSS, Anti-Jam, Anti-Spoof, GPS-denied/degraded, Alternative/Supplemental/Cooperative Navigation technology.
  • Deep MGUE technical knowledge and experience.

In compliance with pay transparency requirements, the salary range for this role in California is $153,000.00 - $284,000.00. 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.

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