Facility Security Officer (FSO)
Posted on: 14 Jan 2026
Tullahoma, TN
Job Description
Amentum is seeking a Facility Security Officer (FSO) to support our Tullahoma, TN office.
Responsibilities
Manage security operations and compliance, overseeing all aspects of facility security to include physical and personnel security and classified material handling (where applicable).
Maintain Form DD254s and prepare/ administer sub-DD254’s.
Prepare visit requests and maintain accurate and timely data entry in security databases.
Implement security policies in alignment with Government regulations, contractual obligations and Defense Counterintelligence and Security Agency (DCSA) standards.
Coordinate security clearance processing and access control procedures to maintain operational integrity.
Maintain compliance with DOD security and related policies, procedures.
Ensure continuous compliance through regular self-inspections and conduct DCSA security assessments for all Facility Clearances (FCLs) managed out of this location.
Administer foreign travel briefings, track and record foreign travel notifications and debriefings, foreign contact and suspicious contact reports.
Engage with Government security officials to address evolving security requirements and mitigate risks associated with program execution.
Serve as the primary administrator for site security systems, including account management, vendor management, system health monitoring, audit logging, and coordinating service calls.
Badge new hires, visitors, and employees to ensure perimeter control compliance.
Supervise contracted guard force operations, including post orders, incident response, reporting requirements, and training.
Conduct regular site security reviews, documenting vulnerabilities and corrective actions.
Other duties as assigned.
Qualifications
· 3+ years of experience with master’s degree; 5+ years of relevant experience with bachelor’s degree
· 1-2 years of experience with access control and CCTV systems
· 1-2 years of experience with guard force management preferred
· Knowledge of Government databases such as NISS, DISS, NBIS, ACCS
· Experience with Microsoft Office Suite (PowerPoint, Word, and Excel)
· Completion of FSO Program Management Course preferred
· Strong, effective, and professional verbal and written communications skills
· Active Top Secret security clearance with the ability to maintain
Compensation Details:
83,900
The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.
Benefits Overview:
Our health and welfare benefits are designed to support you and your priorities. Offerings include:
Health, dental, and vision insurance
Paid time off and holidays
Retirement benefits (including 401(k) matching)
Educational reimbursement
Parental leave
Employee stock purchase plan
Tax-saving options
Disability and life insurance
Pet insurance
Amentum
Germantown, MD
Amentum supports the most critical missions of government and commercial organizations world wide.
Amentum is a premier global government and private-sector partner whose experience, passion and purpose drive mission success. We operate, serve, maintain, protect and support the most discerning and critical programs in Nuclear & Environment, Mission Support & Sustainment, Threat Mitigation, Mission Assurance, Strategic Capabilities Engineering in Critical Infrastructures, Facilities, and Ranges here and abroad. Amentum’s culture of safety, operational excellence, and ethics was formed throughout our 116-year heritage and sharpened by our unrelenting dedication to the customer’s mission.
At Amentum, we stand for operational excellence at every facet of the mission. It’s not about just getting the job done, but about empowering missions to accomplish results and positive outcomes for our customers.
With unrelenting dedication, we also support secure supply chains that take advantage of the most appropriate technology while being driven by people that have lived with the outcomes as opposed to just working in them. We also maintain and operate facilities and equipment that enables mission, doing it in ways that extend the useful lifespans while updating it to face modern challenges.
No matter the mission, with Amentum, mission excellence is achieved. See some of our project highlights below:
Although Amentum is new, our heritage dates back to the early 20th Century, with roots in iconic American companies. We honed our reputation throughout the Golden Age of Innovation, establishing deep relationships with customers in the U.S. Department of Defense and Department of Energy.
In more recent years, we became a preeminent government contractor as URS and later joined with the world’s premier integrated infrastructure company, AECOM. We honed our values of operational excellence, mission focus, and successful execution underpinned by a strong sense of safety and integrity.
On Feb. 1, 2020, Amentum was born. Preserving our culture of excellence and commitment to safety and ethical business, Amentum remains a trusted partner to U.S. federal government agencies, allied governments and corporations worldwide supporting critical programs of national significance across defense, security, intelligence, energy, and environment. Headquartered in Germantown, Md., we are more than 20,000 professionals in 48 states and 28 foreign countries and territories working together to ensure the success of our customers’ most vital missions.
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IndustryEngineering
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No. of Employees20,000+
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Website
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Jobs Posted234
