Senior RF Engineer (Level III) - Top Secret clearance

Job ID: 727228BR Date posted: May. 05, 2026
Description: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, invest, 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 workforce 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.

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Lockheed Martin Space is seeking a Senior RF Engineer to join our team in Littleton, CO! By joining the Lockheed Martin Space Radio Frequency (RF) Talent Center (RFTC) team, you will contribute our mission supporting challenging programs related to Space Vehicles, Hypersonics, Human Space Flight and Interplanetary Missions, Missile Defense, and more.

In this RF engineering role within LM Space, you will:

- Support the Global Security portfolio of programs by supporting timing, frequency, and ephemeris design 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 requirements flow-down to implementation of hardware design, and integration and test to verify mission performance.
- Lead troubleshooting anomaly resolution.
- 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 box and subsystem design, system signal analysis, requirement verification, trades, risk/opportunities, and support proposal efforts.
- Demonstrate subject matter expertise on payload hardware and mission execution.
- Contribute to payload architecture and trade decisions to enable improved payload and mission performance.
- Responsible for owning and delivering operational hardware.

What you will gain in this role:

- Deep expertise in payload hardware and the mission
- Expand your engineering and RF hardware proficiency through challenging, real‑world projects
- Collaborative experience working side‑by‑side with a high‑performing team of engineers
- 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
#SpaceRF
#SpaceNSS
Basic Qualifications:
• Experience with space electronics and/or hardware design
• Knowledge of digital timing signals (e.g., 10MHz, 1PPS)
• Experience working with subcontracts

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, Top Secret with adjudicated SCI Eligibility (i.e. TS/SCI) for long term employment on this program
Desired Skills:
• Proven ability to execute major milestone reviews (e.g. SRR, PDR, CDR, etc.)
• Experience leading small technical teams across design lifecycle to produce artifacts to meet technical specifications
• Experience with successful execution of RF payload/subsystem test plans
• 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 customers, suppliers, management, and peers
• Ability to develop and analyze technical requirements, performing trade studies, and allocating functions down to RF payloads, subsystems and/or components
• Experience defining end-to-end performance and functionality of RF payloads and/or subsystems, consistent with mission needs and CONOPS
• Experience analyzing and verifying technical requirements/functions for engineering systems
• Excellent problem solving and troubleshooting skills
• Experience reviewing supplier/factory data results to show compliance to RF engineering requirements
• Proficiency with the development of specifications and interface definitions for digitally processed RF payloads
• Experience with certifying and selling off an RF payload or subsystem to the customer

#SpaceNSS
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: TS/SCI w/Poly
Other Important Information You Should Know
Expression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.
Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.
Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.
Schedule for this Position: 9x80 every other Friday off
Pay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $101,000 - $178,135. For states not referenced above, the salary range for this position will reflect the candidate’s final work location. Please note that the salary information is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer.
Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays.
(Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.
This position is incentive plan eligible.
Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.
The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.
At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work.

With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.

If this sounds like a culture you connect with, you’re invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.
Experience Level: Experienced Professional
Business Unit: SPACE
Relocation Available: Possible
Career Area: RF Engineering
Type: Full-Time
Shift: First