Radio-Frequency Engineer II

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Are you ready to unleash your technical creativity? Dream, Innovate, Inspire and Empower the next generation to transform humanity through technology and imagination!

As an RF Engineer II, you will be using your skills and expertise to design, develop, and test our complex products and technologies. These cover a very wide range from state of the art mission payloads and electronic systems through highly integrated aircraft to orbital and space exploration systems. You'll be responsible for RF front-end design, radio propagation modeling and prediction, microwave path analysis, interference analysis and filter design, RF frequency planning, analog-to-digital conversion, and circuit design.

SNC’s subsidiary, Sierra Space, based in Louisville, Colorado with operations in Madison, Wisconsin and Durham, North Carolina, designs and manufactures advanced spacecraft, satellites, propulsion and environmental systems, spacecraft subsystems and components for the U.S. government (including NASA), commercial customers and international organizations. Learn more about Sierra Space


  • Bachelor's Degree in RF Engineering or related Engineering discipline and typically 3 or more years of relevant experience

  • Higher-level degree may substitute for relevant experience

  • Basic understanding of engineering principles and practices,  including various RF modeling, analysis techniques, and tools

  • Experience working in multi-disciplinary design & development teams

  • Relevant work experience may substitute for required education.


  • Knowledge of industry standard RF principles as they apply to design, analysis, and test.

  • Understanding of techniques to perform RF analysis such as Cosite, E3 integration, link budgets, and antenna patterns.

  • Experience with analysis software applications such as ANSYS HFSS, ANSYS EMIT, ANSYS SAVANT/SBR+, Keysight GENESIS, Sonnet Professional, AWR Microwave Office, AWR Visual Systems Simulator (VSS), and MATLAB.

  • Experience with Schematic capture and PCB layout & viewer tools such as Mentor Graphics Xpedition, PADS Power Logic and Layout, Gerbtool, etc.

  • Capable of developing substantiation documentation to demonstrate compliance to related requirements and industry standards to include test plans/reports, analysis documents, and compliance checklists.

  • Experience with RF test equipment such as Vector Network Analyzers, Spectrum Analyzers and Signal Generators

  • Experience in designing and verifying to MIL-STD-464 and test procedures of MIL-STD-461.

  • Background in the Aerospace and Defense Industry, US Department of Defense and/or US Military

  • Knowledgeable of industry standard RF assemblies and component selection and developing technical specifications

  • The ability to obtain and maintain a Security Clearance may be required Learn more about the background check process for Security Clearances


To conform to U.S. Government international trade regulations, applicant must be a U.S. Citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State or U.S. Department of Commerce.

With 30+ years of proven spaceflight heritage, Sierra Space has provided more than 4,000 space systems, subsystems and components to customers worldwide, and participated in more than 500 missions to space, including to Mars. The company has technology in production and in development to enable space habitats for short- and long-duration space travel, a fleet of Dream Chaser spaceplanes, and the first free-flying commercial space station. Please visit www.sierraspace.com to learn more about Sierra Space, its business areas, capabilities, programs, products and services.

Estimated Starting Salary Range: $76,956.28 - $105,814.89

Sierra Space offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 8%, life insurance, 3 weeks paid time off, tuition reimbursement, and more.

As COVID-19 continues to significantly impact our employees, families and communities, we are taking action to address the increased risk and uncertainty COVID-19 and associated variants pose in the workplace. SNC is committed to supporting our employees while ensuring we continue to meet essential national security needs of our country.

With employee health and safety as our top priority, and as a federal contractor, SNC will continue to require COVID-19 vaccination status for all employees including new hires. In accordance with applicable requirements, all current and newly hired employees who are unvaccinated may be required to adhere to enhanced onsite safety protocols including weekly COVID-19 testing, face coverings, and social distancing. 

The status of applicable COVID-19 vaccination requirements are subject to change depending on applicable court orders and the course of ongoing litigation. Candidates may later be required to show proof of COVID-19 vaccination or have an approved exemption. 

At Sierra Space, our mission is to dream, innovate, inspire and empower the next generation to transform humanity through technology and imagination. As an Equal Opportunity Employer, we welcome our employees to bring their whole selves to their work. Sierra Space is committed to fostering an inclusive, accepting, and diverse environment free of discrimination on the basis of race, color, age, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. Contributions to Sierra Space come in many shapes and styles, and we believe diversity in our workforce fosters new and greater ways to dream, innovate, and inspire.

Sierra Space
Sierra Space

United States, Louisville, CO

Posted 12d ago

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