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Industrial Security Specialist / Assistant Facility Security Officer (AFSO)

Muon Space· Legal
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Mountain View, CA$130k - $143kFull-timePosted 2w ago

About the role

Industrial Security Specialist / Assistant Facility Security Officer (AFSO) responsible for day-to-day security operations supporting DoD and IC programs, maintaining facility clearance, and ensuring compliance with NISPOM and ICDs. Fully onsite in Mountain View, CA.

Responsibilities

  • Execute day-to-day Assistant Facility Security Officer (AFSO) duties in support of our DoD Facility Clearance, including personnel security actions, visit requests, and interfacing with DCSA and USG customers.
  • Administer the personnel security program — process clearance actions in DISS, conduct initial and refresher security briefings/debriefings, and maintain accurate personnel security records.
  • Support Program Protection activities, including implementation of security requirements for secure payload processing, operations facilities, and program infrastructure.
  • Contribute to the Insider Threat Program, including monitoring, reporting, and supporting investigations under the direction of the Insider Threat Program Senior Official.
  • Deliver the security education and training program, including initial indoctrinations, annual refreshers, foreign travel briefings, and topic-specific training (OPSEC, CI awareness, derivative classification, etc.).
  • Draft, maintain, and enforce Standard Practice Procedures (SPPs), Emergency Action Plans, and program-specific security guidance covering classified information, CUI, and proprietary materials.
  • Review and track DD-254s for classified contracts and subcontracts, ensuring flow-down requirements are correctly implemented and maintained.
  • Support the self-inspection program and prepare for DCSA security reviews and assessments.
  • Operate and maintain the facility badging system, physical access controls, alarm systems, and visitor management processes.
  • Support COMSEC accountability and safeguarding activities as needed, in coordination with the designated COMSEC custodian.

Qualifications

  • Active Top Secret clearance with the ability to obtain TS/SCI required.
  • Bachelor's degree, or 4+ years of direct industrial security experience in lieu of a degree.
  • 3+ years of security-related experience supporting DoD and/or IC programs, with working knowledge of NISPOM (32 CFR Part 117), ISLs, ICDs, and OPSEC principles.
  • Hands-on experience with DISS and NISS; familiarity with Central Office of Record processes and classification management.
  • Demonstrated experience across the core industrial security functions (PHYSEC, PERSEC, OPSEC, Counterintelligence, Insider Threat, and Program Security), including supporting Collateral, SCI, and/or Special Access Program (SAP) security requirements.
  • FSO certification (or ability to complete FSO curriculum within 90 days of hire).
  • Excellent communication and presentation skills, with the ability to translate complex security requirements for technical and non-technical audiences; proficient with Google Workspace and Microsoft Office.
  • Highly organized with the ability to prioritize, multi-task, and thrive in a fast-paced team environment where new challenges arise each week.

Skills

Required:Top Secret clearanceNISPOM (32 CFR Part 117)DISS and NISSProgram ProtectionInsider Threat ProgramSecurity Training & EducationDocumentation & Procedures

Benefits

  • equity grant
  • medical, dental, and vision insurance
  • 401k retirement plan
  • short & long term disability and life insurance
  • three weeks paid vacation for new employees
  • 12 paid holidays
  • unlimited sick time
  • paid parental leave
Last updated Oct 17, 2026. Interested? Apply on the company site.

About Muon Space

The Mission Foundry — designing, building, and operating high-performance satellite constellations for National Security, civil, and commercial customers.

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