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Senior Systems Engineer Program Office Liaison - Active Clearance Required

Posted October 08, 2025
Full-time Mid-Senior Level

Job Overview

We have an opening for a Senior Spacecraft Systems Engineer – Program Office Liaison based at various locations in Huntsville AL.  In this role you will provide spacecraft and ballistic missile subject matter expertise, in support of the Golden Dome of America. This position will directly support the Space Force Space Combat Power PEO for Space Based Interceptors. The role will function as the LLNL liaison to the Space Force, assisting in the coordination of a multi-disciplinary team that performs concept evaluation, requirements generation, modeling & simulations, and analyses of advanced space payloads and spacecraft models for the Z Program’s Space Science and Security Program (SSSP). You will collaborate with scientific and engineering personnel, as well as senior management, to evaluate proposed spacecraft solutions to support national security missions. You will have project management responsibilities for defining and implementing the technical, programmatic, and supervisory functions necessary to ensure the successful execution of the program’s agenda. Additionally, you will develop and grow a broad range of interfaces with current and potential sponsors. This position is in the National Security Engineering Division (NSED) within the Engineering Directorate.

The position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level.

In this role, you will 

  • Provide key communication from the US government (USG) program office back to the LLNL Space Science and Security Program (SSSP). 
  • Advise LLNL on the priorities and status of the USG program office and ensure close coordination between LLNL program developments and our customer’s needs.
  • Provide advanced knowledge and technical support in one or more spacecraft and or/missile defense subsystems, such as: attitude and orbital controls, propulsion, solar array design, electrical power systems, avionics, data handling and on-board processing, thermal, structures and mechanisms, telemetry, tracking, and control (TT&C), RF communications, synthetic aperture radar (SAR) payloads, and/or electro-optical payloads.
  • Conduct various comprehensive and complex analyses of spacecraft and missile defense effectiveness.
  • Collaborate and interface directly with management and external sponsors to communicate technical milestones and solicit input from technical leaders in the space program.
  • Use technical expertise and analytical skills to develop and communicate results through formal technical reports, presentations, and peer-reviewed papers as appropriate.
  • Review intelligence reports and perform, prepare, and provide technical analysis for the intelligence community and external sponsors.
  • Provide technical expertise and analytical support to guide, contribute to, and collaborate effectively with a multi-disciplinary team including engineers, scientists, and technical staff to solve complex technical problems and achieve specific technical goals relevant to national security missions in space systems.
  • Travel as needed to present analyses to sponsors, stakeholders and counterparts.
  • Perform other duties as assigned.

Additional job responsibilities, at the SES.4 level

  • Perform highly complex analyses of spacecraft constellations and missile defense architectures performance and capabilities.
  • Propose, develop, and implement strategies that enhance the ability of the lab to address new opportunities in space systems analysis, modeling, and simulations utilizing highly advanced technical knowledge of space systems engineering and best practices in the aerospace community.
  • Participate in strategic planning and contribute to the development and establishment of an integrated business strategy for space program activities consistent with the goals of the SSSP and Z Program.
  • Serve as primary technical contact to partner and actively engage and communicate with U.S. Government sponsors, other organizations, and technology leaders to provide technical input, apply highly advanced technical knowledge, and develop, implement, and refine new concepts that support national security missions.
  • Define, establish, and maintain business plans for program execution, tracking costs and managing budgets.

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