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RF Engineer III Verified today

Sierra Space · Louisville, CO · RF & Comms · first seen 2026-09-23
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About the Role

As an RF Engineer III, you will lead RF front-end design efforts across multiple concurrent programs and independently perform complex radio propagation modeling, microwave path analysis, and interference/Cosite analysis.

You will drive RF frequency planning and filter design strategies for integrated platforms, interfacing directly with customers, program management, and cross-functional teams on technical trade studies and design reviews. You will develop and own substantiation documentation, test plans, and compliance packages for regulatory and military standards, and identify and resolve complex, ambiguous technical problems with minimal oversight.

Minimum Qualifications

  • Bachelor's degree in RF Engineering or related engineering discipline with 6+ years relevant experience, OR Master's degree with 4+ years relevant experience
  • In-depth understanding of engineering principles and practices, including advanced RF modeling and analysis techniques and tools
  • Demonstrated track record of progressively increasing responsibility while working in and leading multi-disciplinary design and development teams
  • Ability to work independently with minimal guidance and to review and guide the work of others
  • Active Secret U.S. Security Clearance with eligibility to obtain and maintain Top Secret U.S. Security Clearance

Preferred Qualifications

  • Deep knowledge of industry-standard RF principles as applied to design, analysis, and test, with ability to originate novel approaches
  • Demonstrated expertise performing RF analysis such as Cosite, E3 integration, link budgets, and antenna patterns, with hands-on proficiency in ANSYS HFSS, ANSYS EMIT, and MATLAB
  • Proven ability to develop and defend substantiation documentation demonstrating compliance with requirements and industry standards, including test plans/reports, analysis documents, and compliance checklists
  • Extensive hands-on experience with RF test equipment such as vector network analyzers, spectrum analyzers, and signal generators
  • Demonstrated experience designing and verifying to MIL-STD-464 and executing test procedures per MIL-STD-461
  • Strong background in Aerospace and Defense industry, U.S. Department of Defense, and/or U.S. Military
  • Advanced knowledge of industry-standard RF assemblies and component selection, with experience authoring technical specifications

Compensation

Pay Range: $112,694.00 - $154,975.25

Your actual base compensation will be determined on a case-by-case basis and may vary based on job-related knowledge and skills, education, experience, internal equity and market competitiveness.

About Sierra Space

Sierra Space is an industry-leading space and defense technology company providing satellites, spacecraft, and enabling mission systems and components. We deliver mission-proven technologies that safeguard our nation, protect space-based assets and enable space exploration.

We offer a generous benefit package including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, and 3 weeks paid time off.

Security Clearance Requirements

This position requires the ability to obtain and maintain a Top Secret U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-U.S. Citizens may not be eligible to obtain a security clearance.