Facility Security Officer

MAG Aerospace•Fairfax, VA

19h•Onsite

About The Position

We're looking for a proactive, engaged Facility Security Officer to join our headquarters team. This isn't a "check the box" role — we want someone who owns the security program, drives continuous improvement, and brings energy and initiative to everything from audit prep to industry engagement. You'll be the go-to for keeping our programs compliant while also playing an active role in physical security at our HQ facility.

Requirements

3–5+ years of FSO or industrial security experience in a defense contractor environment.
Active Secret or Top Secret clearance.
Strong working knowledge of the NISPOM, DISS, NISS, and DCSA processes.
Demonstrated track record of audit readiness, not just passing audits, but actively improving scores and correcting findings between cycles.
Someone who is plugged into the security community, attends events, knows their DCSA reps by name, and brings that knowledge back to the organization.
Excellent communication and interpersonal skills, you'll be working with everyone from program staff to senior leadership.
Self-starter who doesn't need to be told what needs attention.

Nice To Haves

FSO Program Management for Possessing Facilities certification (CDSE).
Active TS with SCI eligibility.
NCMS membership or similar professional affiliation.
Experience supporting multiple facility clearances or a multi-site environment.

Responsibilities

Administer and maintain facility security clearances and personnel security programs in accordance with the NISPOM and applicable government requirements.
Serve as the primary liaison with Defense Counterintelligence and Security Agency (DCSA) representatives.
Prepare for, lead, and actively follow up on security vulnerability assessments (and DCSA audits — including documenting findings, tracking corrective actions, and driving measurable improvement between audit cycles.
Maintain accurate and up-to-date records in DISS, NISS, and other required systems.
Oversee HQ physical security posture including access control, visitor management, and classified space requirements.
Identify gaps and make recommendations for improvements proactively — not reactively.
Actively participate in the security professional community — NCMS, ISAC chapters, ASIS, industry working groups, DSS outreach events, and relevant conferences.
Bring back actionable intelligence and best practices to the team.
Stay current on policy changes, emerging threats, and industry trends, and translate those into updates to our internal program.
Collaborate cross-functionally with Program Managers, Contracts, HR, and IT.
Maintain a positive, solutions oriented presence on the team.
Support and mentor junior security staff as the team grows.