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Job Details

Senior Principal RF System’s Engineer


Cloud System Engineer


Huntsville, Alabama, United States


Leidos Defense Systems, is seeking a high level Senior Principal RF Systems Engineer to join a diverse team to create unique solutions for complex problems. With offices across the United States engaging in the defense, space, cyber and commercial fields, Leidos provides alert, cost-effective engineering, scientific and IT solutions.

The Threat and Cyber Systems Division has a diverse portfolio of projects and programs which specialize in foreign threat radar systems, RF software-in-the-loop (SIL) and hardware-in-the-loop (HWIL) simulators, and variety of ranges for verification and validation activities. The candidate selected for this position will support projects for the Defense Intelligence Community, military, and large prime contractors.

The Sr. Principal RF Systems Engineer duties include performing systems requirements evaluation, functional studies, timeline analysis, trade studies, requirements allocation and interface definition, technical management, integration, system testing, and quality assurance. The candidate will promote development of innovative approaches, solutions, and architecture development. Frequent interaction with the customer through in-process reviews, customer visits and demonstrations are part of the role. Candidate will work with a multi-disciplinary team to develop and implement test procedures and test platforms for a wide variety of hardware. Systems to be tested include analog, mixed-signal, and RF applications. This position will provide the opportunity to work on a variety of interesting projects in a fast-paced environment.


  • A bachelor’s degree in electrical engineering or computer engineering (or related technical discipline) from an ABET accredited institute and seventeen (17+) years of relevant work history is needed. If candidate has an MS in a related field fifteen (15+) years of relevant work history is needed.
  • A demonstrated working knowledge of radar architecture, receiver/ exciters, and RF devices (RP, HPA, UDC, LNA, Switches, Filters, WFG, DDS, ADC, high speed bus, etc.) across the frequency spectrum of C, S, X, Ku and Ka-bands
  • Familiarity with Electronic Warfare systems for Attack, Protect and Support and application of systems in a dense RF environment
  • Ability to partner with customer, stakeholders, subcontractors, and integrator team members to bring solution options and drive decisions on the way ahead to meet customer needs
  • Prior work with open air range integration, ground support equipment and RF test equipment
  • Develop use case definitions, capability roadmaps, and overarching guidance
  • Develop and maintain Architecture Definition, Documentation and Planning
  • Familiarity with software development, integration, and test and as well as requirements development and verification
  • Resolves highly complex problems using significant application of technical knowledge, conceptualizing, reasoning, and interpretation
  • Hands-on work in developing, documenting, and executing test processes and procedures for electronic and electromechanical products
  • Candidate will be needed to work closely with integration teams to ensure HW/SW design for testability has been considered
  • Candidate will provide review and approval of engineering drawings, bills of materials, and work instructions; participation in design reviews; and design and execution of manufacturing test activities.
  • Comprehend competitor and teammate technology competencies and evaluate associated technology solutions
  • Knowledge in implementing risk and engineering change management

How to stand out!

  • Prior processing, exploitation and dissemination (PED) experience
  • AESA and advanced RF system knowledge
  • Familiarity in Microsoft Visual Studio, MATLAB, C++ language and hardware / software in the loop systems for realtime, high-fidelity modeling and simulation
  • Holds current TS

Original Posting Date:


While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $144,300.00 - $260,850.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.