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Facility Security Officer

Job in El Segundo, Los Angeles County, California, 90245, USA
Listing for: Millennium Space Systems
Full Time position
Listed on 2026-06-18
Job specializations:
  • Security
    Information Security, Security Manager
Salary/Wage Range or Industry Benchmark: 125000 - 150000 USD Yearly USD 125000.00 150000.00 YEAR
Job Description & How to Apply Below
Position: Facility Security Officer - Millennium Space Systems

Millennium Space Systems, a part of Boeing Defense, Space and Security (BDS), is a fast, agile small satellite company focused on national security space. Our missions have direct impact to global security, like missile warning and Earth observation.

Our team is curious, bold and innovative. We take risks, innovate and explore new techniques and technologies. We influence change because we challenge the status quo. And when we watch our satellites launch, we know each one of us made it happen.

The Facility Security Officer will oversee the operations of classified facilities and ensure the implementation of operative security controls intended for the protection of unclassified and classified national security information (NSI) developed by or entrusted to MSS as a member of the National Industrial Security Program (NISP).

This is an onsite role in El Segundo, California. The position's internal job is Industrial Security Specialist. Our team is currently hiring for a level 4 or 5.

Position Responsibilities
  • Administer day-to-day security operations of the Industrial Security program with support from corporate management, implementing a security program that enables the business while complying with Government regulations.
  • Conduct security self-inspections, apply risk mitigation methodologies, support government customer assessments, and implement security measures to meet requirements.
  • Develop, maintain, and update company policies and procedures according to 32 CFR Part 117 (NISPOM), DD254s, and contract requirements.
  • Maintain facility clearance status in NISS and work with DCSA on required program and personnel documentation (KMP, self-inspections, SEAD 3 Reporting, etc.).
  • Manage Physical Security of multiple local facilities in compliance with DCSA and ICD 705 requirements.
  • Assist with the Personnel Security program and administer security clearances/access processes for new/existing employees, subcontractors, and consultants.
  • Maintain hard/soft copies of DD Form 254 along with personnel assigned to contract prior to indoctrination. Ensure DD Form 254s properly executed and proper DD 254 tracking.
  • Update Millennium Space Systems Standard Practices and Procedures (SPP) artifact, as necessary.
  • Assume the role of Insider Threat Program Senior Official (ITPSO), leading the Insider Threat Team in collaboration with key stakeholders.
  • Craft, provide and track security trainings and briefings for all cleared and uncleared personnel IAW 32 CFR Part 117.
Basic Qualifications
  • Ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. Must have an active U.S. Top Secret Security Clearance with SCI eligibility.
  • Minimum of 8 years of experience performing responsibilities in a Collateral, SAP or SCI environment, preferably as an appointed FSO or AFSO.
  • Experience as a certified FSO.
  • Experience with implementation of a security program that enables the business while complying with Government regulations.
  • Thorough working knowledge of the NISPOM, ICDs, associated Executive Orders, and Security Executive Agent Directives (SEADs).
Preferred Qualifications
  • Bachelor's Degree.
  • Professional experience conducting industrial security operations for the US DoD or US Intelligence Community.
  • Knowledge of OPSEC procedures and application of OPSEC to Sensitive Government information (FOUO, CUI).
  • Significant experience with DISS/NBIS, NISS, SWFT, eQIP/eAPP.
  • Completion of STEPP Facility Security Officer Program Management for Possessing Facilities training
    • Experience in creation of and conducting of initial security briefings, debriefings, indoctrinations, pre/post-foreign travel briefings and refresher briefings.
    • Ability to communicate policy and procedures clearly to all cleared staff.
    • Ability to juggle competing priorities and demands.
    • Able to meet timelines and prioritize demands effectively.
    • Must have the ability to work in a dynamic environment and effectively interact with numerous DOD, military/civilian personnel and industry partners.
    • Working knowledge of Microsoft Office (Word, PowerPoint, and Excel).
  • Relevant professional memberships (NCMS, ISWG, etc.).
  • Experience implementing and utilizing SIMS software.
  • Experience with supporting special access programs for various Government agencies.
  • Professional experience as a CSSO or CPSO.
  • Experience interfacing with corporate and government leadership.
Conflict Of Interest

Successful candidates for this job must satisfy the Company’s Conflict of Interest (COI) assessment process.

Drug Free Workplace

Millennium Space Systems, a Boeing Company, is a Drug Free Workplace (DFW) where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies.

Total Rewards

At Millennium Space Systems, a Boeing Company, we strive to deliver a Total Rewards package that will attract, engage and retain the top talent. Elements of the Total Rewards package include competitive base pay and…

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