Skip to main content

Scientist, Systems Engineering – GPS Anti-Spoof (AS) ***Up to $20,000 Sign-On Bonus***

Anaheim, California

Job ID IMS20221108-88563
Apply Now


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. Working with the L3Harris's engineering team, you'll join our team of qualified, diverse individuals and work in a fast-paced environment with high expectations, global scope, and a collaborative team setting.

  • Full Time
  • Level: Experienced
  • Location: Hybrid
  • Glassdoor Reviews and Company Rating

Success Profile

What makes a successful Systems Engineer at L3Harris?
Check out the traits we’re looking for and see if you have the right mix.

  • Analytical
  • Collaborative
  • Leader
  • Problem Solver
  • Strategic
  • Technical


Flexible work schedule, paid overtime, cool technology, no micromanagement, nice campus, fun co-workers

Systems Engineer

L3Harris Work Perks

  • Health

    • Medical with a High Deductible and traditional PPO plan options, as well as, vision and a full array of supplemental health benefits
    • A doctors' service to help with referrals and second opinions for you, your family, and parents

  • Family

    • 4 weeks of paid parental leave for moms and dads
    • Fertility treatment
    • Subsidized backup childcare and eldercare
    • Adoption assistance - $5,000 per adoption/$15,000 per employee
    • Pet insurance

  • Well-Being

    • No cap to your PTO time (for exempt employees)
    • Dress for your day - wear what works for you at work
    • Legal plan for you, your family, and parents
    • Discount platform
    • 9/80 work schedule available for most U.S. employees, effective October 24, 2022.

Job Description

L3Harris is dedicated to recruiting and developing diverse, 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 Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs. The company provides advanced defense and commercial technologies across space, air, land, sea and cyber domains. L3Harris has approximately $18 billion in annual revenue and 47,000 employees, with customers in more than 100 countries.


Job Title: Scientist, Systems Engineering – GPS Anti-Spoof (AS) ***Up to $20,000 Sign-On Bonus***

Job ID: IMS20221108-88563

Job Location: Anaheim, CA - Hybrid

Candidates with ACTIVE DoD clearances will be eligible to receive the following sign on bonus:

Secret Clearance-$10,000 - $20,000

Job Description:

In search for an expert in GPS Anti-Spoof (AS) technologies for modernized GPS user-equipment. As a Scientist and Member of the Engineering Technical Team, this position is responsible for the planning, development, design, execution, test, and guidance for Systems Engineering in Global Positioning Systems (GPS) / Position, Navigation and Timing (PNT) user-equipment on real-time HW/SW applications on DoD programs, specializing in Anti-Spoof (AS) technologies. Must have broad-based technical knowledge and experience in order to understand and evaluate systems engineering activities across the engineering functions.

Essential Functions:

  • Serve as a GPS Anti-Spoof (AS) Designer/Innovator and will be expected to survey technology, identify candidate techniques, model and evaluate viability, write proposals and plans, presents papers, and provide senior technical direction.
  • Work under consultative direction against annual goals and objectives to manage large, complex project initiatives of strategic importance to the organization.
  • Partner with the Business Development and Leadership Team to advance market footprint consistent with the projected business plan.
  • Develop and champion new systems concepts and technologies, and recommend tactics and strategies that directly impact the achievement of overall business or functional results.
  • Provide technical leadership to a team of engineers that includes leading the execution of design, build, integration and test activities, problem resolution and verifying that the deliverable products meet all program and customer requirements.
  • Provide project management reports and support senior level reviews.
  • Provide inputs and reviews of the engineering technical baseline as part of proposal efforts.
  • Provide guidance, coaching and training to other employees across the Company.
  • Provide input to industry standards.


  • Bachelors degree in Science, Technology, Engineering, or Mathematics (STEM) or related discipline with 12 years or a graduate degree with a minimum of 10 years prior relevant experience. A combination of education and experience may be considered.
  • Position requires an active DoD Secret Security clearance.
  • 7+ years GPS algorithms, modeling and simulation (M&S), and performance analysis.
  • 5+ years of experience as a technical leader and subject matter expert (SME) in GPS Anti-Spoof (AS)
  • 5+ years experience in GPS system and subsystem requirements, design,
  • 5+ years experience in MATLAB, C/C++ and other computing and software languages.

Preferred Additional Skills:

  • Experience in FPGA, ASIC, and/or Circuit design, implementation, and verification a plus.
  • Experience in GPS or RF receiver anti-jam (AJ) and/or signal tracking techniques a plus.
  • Experience with the US Space Force (USSF) on GPS a plus.
  • Successful track record in proposals and program execution.
  • Experience in GPS-denied/degraded and Alternative PNT technology a plus.
  • Experience in M-code and MGUE.
  • Knowledge of L3Harris GPSR systems a plus.
  • Work effectively in both independent and team environments.
  • Strong verbal and written communication skills.


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 résumé for this position, you understand and agree that L3Harris Technologies may share your résumé, 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 proud to be an Affirmative Action/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.

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.

Join Our Talent Community

Sign up for job alerts and be the first to know about our job openings.

Select a job category and/or location, then click "Add" for each saved search. Finally, click "Sign Up" to create your job alert.

Interested In

View All Jobs

You have not saved any jobs.

View All Jobs

Awards and Recognition

Fortune 2022 - World's Most Admired Companies
2022 Bloomberg Gender Reporting Framework
Forbes 2020 Award
Top HBCU Supporters
CEO Action
Catalyst CEO
Handshake Early Talent Award
WayUp 100 Top Internship Programs Award
2022 Readers Choice Top 50 Employers
2021 Best Employers for Veterans
2022 DEI Best Place to Work For Disability Inclusion
2022 Top 50 Employer Careers and the disABLED
Catalyst Logo
Forbes 2021 The Best Employers for Diversity
2022 Minority Engineer Magazine Top 50 Employer