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Senior RF Systems Engineer

Space Systems Integration (SSI)
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El Segundo, CA, USA
Sep 21, 2026
Space Systems Integration (SSI) is a fast-growing engineering company that provides aerospace solutions to a variety of government and commercial customers.  Our employees are forward-thinking, self-directed individuals who are committed to solving our customers’ technical challenges.
Space Systems Integration (SSI) is a fast-growing engineering company that provides aerospace solutions to a variety of government and commercial customers.  Our employees are forward-thinking, self-directed individuals who are committed to solving our customers’ technical challenges.

SSI is seeking a Senior RF Systems Engineer for a role in El Segundo, CA.
Senior RF Systems Engineer will have in-depth knowledge of digital signal processing, signals, remote sensing, mission analyses, and system engineering.  You will provide subject matter expertise to support customer decisions with respect to contractors’ development of spaceborne RF signal processing payloads, ground processing systems, and overall mission capabilities.  
Role and Responsibilities include:
  • Responsible for acting as primary technical oversight for the development, build, verification and deployment of Space RF payloads, providing Government leadership, as needed, recommend course corrections to the payload design and build through delivery.
  • Requirements generation.
  • Evaluation and compliance assessments to generated requirements and requirements flow down.
  • Concept design evaluation and analysis of alternatives.
  • Assessments of Critical Technology Elements (CTE), Technology Readiness Assessments (TRAs) and Manufacturing Readiness Assessments (MRAs).
  • Concept of Operations (CONOPS) development.
  • Provide technical oversight of payload integration process onto candidate spacecraft.
  • Provide technical oversight of transition to operations to include the development, operator training, payload initialization and checkout, and on-orbit operations.
  • Responsible for assessing proposed payload design updates and understanding all performance and spacecraft impacts due to these updates.
  • Responsible for performing assessments of risk reduction plans associated with improving the maturity of payload design and hardware.
  • Responsible for working with contacts at prime and subcontractors to ensure work is on schedule and progressing.

Required Qualifications:

  • Bachelor's degree in electrical engineering or a technical field such as Physics, Math, or Aerospace Engineering with 14 years or more of experience in relevant field or Master's degree in electrical engineering or a technical field such as Physics, Math, or Aerospace Engineering with 12 years or more of experience.
  • Experience with spaceborne RF payloads, signal processing, signals, mission data processing.
  • Ability to analyze, discover and find solutions for technical issues in relevant technology.
  • Working knowledge of orbital mechanics and environmental effects on spaceborne RF payloads.
  • Experience applying Systems Engineering principals to the execution of payload development, build and I&T onto spacecraft.
  • Good communication skills to peers and customer leadership.
  • Active TS clearance with in-scope T5/SSBI is required, along with SCI eligibility and participation in Continuous Evaluation.
  • Must meet all requirements for SCI and SAP access and be willing to undergo a polygraph examination.
  • Travel is 10%.

Desired Qualifications:

  • 16 years or more of experience with RF payloads.
  • Experience with integration & test of spaceborne RF payloads onto spacecraft.
  • Familiarity with DoW acquisition processes.
  • Experience as a project manager on space payload program or IPT.
  • Ability to generate link budgets for end-to-end space to ground Comm systems and/or RF Payloads.
Space Systems Integration provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, or any other characteristic protected by federal, state, or local laws.

Job ID

5c3de77e-0b26-44f5-adec-a0f2e1e7e681

Security Clearance

Top Secret
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