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Senior RF Engineer; Level III - Top Secret clearance Security Clearance

Job in Littleton, Arapahoe County, Colorado, 80120, USA
Listing for: Lockheed Martin
Full Time position
Listed on 2026-06-11
Job specializations:
  • Engineering
    Systems Engineer, Electrical Engineering, Aerospace / Aviation / Avionics
Job Description & How to Apply Below
Position: Senior RF Engineer (Level III) - Top Secret clearance with Security Clearance
Job Number 727262

Description:

Position details:

Location:

Littleton, CO

Work Schedule:

9x80 Position type:
Full-time onsite (this is not a hybrid position) Space is a critical domain, connecting our technologies, our security, and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, in-vest, inspire, and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve.

We're creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We're erasing boundaries and forming partnerships across industries and around the world. We're advancing spacecraft and the work-force to fuel the next generation. And we're reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you Lockheed Martin Space is seeking an RF Engineer to join our team in Littleton, CO!

In this role, you will:

- Support the Global Security portfolio of programs by performing payload analysis on world class RF Payloads across various stages in each program's lifecycle.

- Perform system design and architecture to identify optimal payload solutions for new program captures.

- Engage in system integration and test to optimize system performance and calibration, and validate requirement verification.

- Lead troubleshooting anomaly resolution.

- Lead deployment and initial performance assessment for critical government national assets.

- Work closely with other RF Engineers, Box and Sub-systems CPEs, leaders, and Subject Matter Experts to ensure a given program within Global Securities is successful.

- Partner with customers and program leadership to ensure the success of payload products and milestones.

- Perform cascade analysis, verification, trades, modeling, calibration, risk/opportunities, support proposal efforts, and payload post-test analysis.

- Demonstrate subject matter expertise on payload hardware and mission execution - Contribute to payload architecture and trade decisions to enable improved payload and mission performance What you will gain in this role:

- Deep expertise in payload hardware and the mission - Expand your engineering and analytical proficiency through challenging, real-world projects - Collaborative experience working side-by-side with a high-performing team of engineers and analysts.

- High-impact engagement with the customer on technical discussions and interchanges - Accelerate your skills to take on engineering growth opportunities - Hands-on involvement in a cutting-edge mission area that delivers tangible, real-world results - Contribute to our armed forces' ability to execute their duties safely and bring our service members home #NSSGS #Space

RF #Space

NSS

Basic Qualifications:

• Experience with MATLAB or other coding
• Experience with RF analysis or RF design
• Ability to apply mathematical or physics concepts to problem solving Security Clearance / Work Authorization:
• To meet requirements of the program/customer, this position requires the selected employee to be a U.S. Citizen.
• Prior to starting employment, selected candidates will be required to possess Top Secret clearance. For this position, applicants must possess a currently Active Top Secret security clearance to be considered.
• Selected candidates will be required to obtain, and maintain a TS/SCI w/Poly clearance Desired

Skills:

• Active TS/SCI w/Poly clearance
• A team player with the demonstrated ability to participate in cross functional teams and communicate and coordinate work as one team with common goals
• Excellent communication and interpersonal skills, including a demonstrated ability to interact effectively with management and peers
• Experience defining end-to-end performance and functionality of RF payloads and/or subsystems, consistent with mission needs and CONOPS
• Experience with the development of specifications and interface definitions for digitally processed RF…
Position Requirements
10+ Years work experience
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