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Millennium Space Systems (MSS), a part of Boeing Defense, Space and Security (BDS) is seeking a Facility Security Officer who will oversee the operations of classified facilities and ensures 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). The department applies resources to mitigate risk across operational domains through a continuum of security administration standards, control strategies, and oversight levels that align with corporate needs and expectations. This is an onsite role at our El Segundo, California.

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 (Required Skills/Experience):

• This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. A final U.S. Top Secret Clearance Pre-Start is required.  
• 8+ years of professional experience in a similar position, supporting similar responsibilities - implementation of a security program that enables the business while complying with Government regulations
• Professional experience conducting industrial security operations for the US DoD or US Intelligence Community
• Experience as a certified FSO
• Thorough working knowledge of the NISPOM, ICDs, associated Executive Orders, and Security Executive Agent Directives (SEADs)
• Significant experience with DISS/NBIS, NISS, SWFT, eQIP/eAPP
• Knowledge of OPSEC procedures and application of OPSEC to Sensitive Government information (FOUO, CUI)
• 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)

Preferred Qualifications (Desired Skills/Experience):

• Bachelors Degree
• 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 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.

Pay & Benefits:
Millennium Space Systems, A Boeing Company offers a very competitive benefits package to include medical, dental, vision, and 401k plan.

• Level 5: $131,750 - $193,750

Equal Opportunity Employer:

Millennium Space Systems, A Boeing Company is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.

Applications for this position will be accepted until Feb. 06, 2026

Export Control Requirements:

This position must meet U.S. export control compliance requirements. To meet U.S. export control compliance requirements, a “U.S. Person” as defined by 22 C.F.R. 120.62 is required. “U.S. Person” includes U.S. Citizen, U.S. National, lawful permanent resident, refugee, or asylee.

Export Control Details:

US based job, US Person required

Relocation

Relocation assistance is not a negotiable benefit for this position.

Security Clearance

This position requires an active U.S. Top Secret Security Clearance (U.S. Citizenship Required). (A U.S. Security Clearance that has been active in the past 24 months is considered active)

Visa Sponsorship

Employer will not sponsor applicants for employment visa status.

Shift

This position is for 1st shift

Equal Opportunity Employer:

Boeing is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.