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Sr. Specialist, Electrical Engineer – RF Design

Mount Prospect, Illinois; Chicago, Illinois

Job ID SAS20220908-88313
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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 in Software with L3Harris 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: On Site
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What makes a successful Engineer at L3Harris?
Check out the traits we’re looking for and see if you have the right mix.

  • Innovative
  • Technical
  • Influential
  • Critical Thinker
  • Analytical
  • Detail Oriented


I love my job because every day there’s a new problem to tackle, a new skill to learn and an awesome team that has my back.

Heather S., 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: Sr. Specialist, Electrical Engineer – RF Design
Job Code: SAS20220908-88313
Job Location: Mt Prospect, IL

Job Description:

L3Harris is seeking a senior-level RF design engineer to support development programs within the Intelligence and Cyber sector for Special Communication. The engineer in this position will be responsible for leading all aspects of RF and microwave circuit design, analysis, implementation, testing and documentation for advanced products including but not limited to custom ground-based satellite transceivers. The engineer will also lead initiatives to establish methods, procedures and best practices that guide the RF team.

Here at Special Communications we design custom transceivers and radios to support custom, mission-specific warfighter needs. We integrate on-board mission-specific functionality, like satellite communications, long range command and control, sensor capabilities, motion detection, cameras, and custom RFIC’s for reduced size and power units. We support different mission sets and meet with customers often to insure customer needs are met and exceeded.

Essential Functions:

  • Analyze system and electrical requirements to determine design feasibility within time and cost constraints
  • Perform RF and Microwave transmitter and receiver circuit design including component selection and evaluation, line-up analysis, circuit simulation and worse case analysis
  • Design, analyze and test RF sub-circuits such as low noise amplifiers (LNA), power amplifiers (PA), mixers, oscillators, frequency synthesizers, attenuators, switches, and filters
  • Collaborate with digital and software engineers to implement communication and control interfaces to RF circuits from microprocessors and FPGA
  • Specify PCB stack-ups to meet RF performance and vendor fabrication requirements
  • Create PCB layout guidelines to achieve RF performance requirements and product form factors
  • Early identification and reporting of program risks including recommendations for risk reductio
  • Prepare and present engineering design concepts and data results for IDR/PDR/CDR
  • Estimate task schedules and budgets (BOEs) for programs, proposals and IR&D efforts
  • Lead internal peer design reviews, design verification testing of engineering units and oversight of design through production


  • BS degree in Electrical Engineering with at least 6 years of prior relevant experience OR a Graduate Degree in Electrical Engineer with at least 4 years of prior relevant experience.
  • 3 years minimum experience in detail level RF and Microwave design including simulation, layout, and test in the areas of receivers and transmitters.

Preferred Addiotional Skills:

  • Active security clearance (Secret or Top Secret)

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.

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