Amentum is seeking a **Facility Security Officer (FSO) Senior** to support our **FEDSIM United States Army National Guard (G2 IS3)** contract. **Responsibilities** + Manages security operations and compliance for Task Order (TO) execution, overseeing all aspects of facility security, personnel vetting, and classified material handling. + Develops and implements security policies in alignment with Government regulations, contractual obligations, and Defense Counterintelligence and Security Agency (DCSA) standards. + Directs security clearance processing, Common Access Card (CAC) issuance, and access control procedures to maintain operational integrity. + Leads security planning for Transition-In and Transition-Out activities, coordinating with stakeholders to facilitate the secure transfer of personnel, documentation, and systems. + Conducts facility risk assessments, identifying vulnerabilities and implementing mitigation strategies to enhance security postures. + Oversees compliance with the National Industrial Security Program Operating Manual (NISPOM) and other Government directives, managing security audits, inspections, and reporting requirements. + Coordinates classified material control, secure facility accreditation, and personnel training programs to uphold security readiness. + Engages with Government security officials and contracting officers to address evolving security requirements and mitigate risks associated with program execution. + Develops and maintains incident response protocols, overseeing investigations and corrective actions related to security breaches. + Leads security integration efforts across multi-tenant environments, supporting project continuity while safeguarding classified and sensitive information. **Requirements** + Active TS/SCI Clearance with the ability to obtain and maintain a Polygraph + 10-15 Years with a BS/BA or MS/MA; or equivalent years of experience Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters (https://postings.govdocs.com/#/vxSkbztPuAwwxfs) .