Radio Frequency Engineer Sr Stf - Level 5; Secret

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.

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.

• This position is contingent upon program award with an expected 4th Quarter 2026 start date ***

Lockheed Martin is designing, developing, and delivering a next-gen wideband MILSATCOM system comprised of integrated space and ground segments that will provide enhanced communications capacity, flexibility and resiliency.

The selected candidate will support the Ground segment of the program as a Sr Staff RF Engineer will serve as a recognized subject matter expert by providing architectural guidance and strategic direction for RF systems and subsystems contributing to the successful integration, test and delivery of the Ground segment. Prior experience as a RF and/or Systems Engineer with extensive domain knowledge of RF/ground systems, networks, and product integration & test is required.

Architects and designs Radio Frequency systems and circuitry. Designs and develops RF circuitry used in high frequency and microwave applications, including receivers, transmitters, antennas, and frequency synthesizers. Responsible for hardware layout, component evaluation, prototype construction, and test. Prepares test methods and specifications; analyzes and tests RF hardware to verify performance characteristics. Provides inputs to Product Development for formal documentation and supports manufacturing during the deliverable assembly and test phase.

In addition, develops RF System/Subsystem Architectures consisting of: antennas, transmitters, receivers, low noise amplifiers, high power amplifiers, RF conversion elements and transmission line equipment. Performs link analysis and optimization, including effects of propagation medium and possible interference sources. Develops and allocates RF system and subsystem functional and performance requirements. Identifies and tracks RF technical performance measurements (TPMs). Performs RF system/subsystem/component trade studies and CAIV analysis.

Supports Life Cycle Costs, reliability, availability, and maintainability analysis.

• Experience with RF Gateway equipment (X/Ka/UHF bands required), SSPAs, frequency converters, test equipment
• Excellent communication and presentation skills.
• Detailed knowledge and understanding of systems engineering process and experience with at least one of:
  Requirements, CONOPS, ICD, or Architecture
• Prior experience with satellite ground systems design, development, integration, and test
• A Secret clearance is required prior to start (Must be a US citizen).

• Significant relevant experience in the defense electronics industry, including architecture development for RF systems.
• Expertise with datalink or T/R module architecture
• Expertise with RF subsystems and hardware including antennas, transmitters, receivers, microwave components, low noise amplifiers, high power amplifiers, advanced electronic modules, amplifiers, mixers, switches, frequency generation circuits, and frequency conversion circuits.
• Extensive experience with troubleshooting designs and resolving integration issues for RF applications.
• Expertise with technical documentation such as specifications, schematic drawings, and test data.
• Experience with customer interface including technical presentations.
• Experience supporting Systems Engineering technical performance objectives and deliverables (e.g. SRR, PDR,…