Armed Physical Security Supervisor - Physical Security, Armed

Why Castelion, Why Now 

Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus, ownership, and excellence are decisive advantages - and we're building a world-class team to turn bold ideas into real capability. 

This is a rare opportunity to join at an early stage, where you'll have significant ownership, collaborate with exceptional teammates, and make a direct, measurable impact on our mission and the future of the company - regardless of your function.  

Supervisor, Physical Security (Armed)

The Armed Physical Security Supervisor oversees all armed security operations during an assigned shift at Castelion's New Mexico installation. This position ensures compliance with DoD, federal, and site-specific armed security regulations; supervises armed security personnel (proprietary and/or contracted); maintains weapons accountability; and leads incident response to protect personnel, information, and critical assets.

The ideal candidate has a background in physical security or law enforcement with deep expertise in providing asset, facility, and personnel protection at aerospace, defense, or government facilities. The Supervisor enforces security policies, conducts risk assessments, executes the organizations incident response plans, coordinates with local law enforcement, monitors and manages local CCTV and access control systems, and develops site security awareness training. This role is critical in safeguarding the company's people and technology. They will also monitor internal controls, track remediation efforts, and help align teams with regulatory and contractual requirements. Ideal candidates have a strong understanding of sensitive technology (ITAR/CUI), excellent communication skills, and experience managing security programs in fast-paced environments.

Key Duties & Responsibilities 

Armed Security Operations:

• Supervise armed guard force on duty during shift and ensure all personnel adhere to Use of Force (UoF) policy, weapons safety rules, and DoD requirements.
• Carry a loaded duty weapon while performing security duties; remain weapons-qualified at all times.
• Oversee access control, armed patrols, vehicle inspections, secure area checks, and Quick Reaction Force (QRF) activation when required.
• Ensure proper issuance, tracking, clearing, and turn-in of firearms, ammunition, and protective equipment.
• Respond to alarms, threats, and security breaches as an armed responder; lead initial incident command until relieved by higher authority.
• Conduct weapons safety briefings, UoF reinforcement training, and immediate corrective actions for weapons-handling violations.

Supervision & Leadership:

• Direct and evaluate the performance of armed security officers on shift.
• Verify compliance with post orders, Standard Operating Procedures (SOPs), and DoD directives.
• Manage coordination with contracted guard company for scheduling, assignments, and readiness of armed personnel.
• Train team members on emergency procedures, escalation protocols, and DoD security compliance.

Reporting & Documentation: 

• Prepare incident reports, UoF statements, weapons clearing logs, and daily activity logs.
• Document all weapons and ammunition issuance and reconcile shift-level armory records.
• Submit after-action reports for incidents involving weapons presentation or UoF.

Coordination & Compliance: 

• Coordinate with Director of Security, fire/rescue, and state and local law enforcement.
• Maintain compliance with:
• DoD 5210.56 (Arming & Use of Force)
• Installation security directives
• Contractor requirements (e.g., DoD contract security standards)

Minimum Qualifications

Clearance:

• Active DoD Secret (or higher) clearance
• Must maintain eligibility for continued access to restricted areas

Weapons Qualifications:

• Meet DoD arming requirements, including:
• Firearms qualification on assigned weapon system (e.g., 9mm pistol, .40, or 5.56 rifle depending on contract)
• Completion of weapons safety training, use-of-force training, and judgmental shooting
• Ability to qualify at least semi-annually (or per contract)

Experience:

• 7+ years of armed security, military, or law enforcement experience.
• 3+ years of supervisory or team-lead experience preferred.
• Experience working on federal or DoD installations strongly preferred.

Education:

• High school diploma or GED required.
• Preferred: Associate or bachelors degree in criminal justice, Security Management, or related field.

Certifications:

• Active state armed guard license (where applicable)
• CPR/First Aid/AED certification
• FEMA ICS-100, 200, 700 (if needed)
• OC spray/baton/Taser certifications

Skills & Competencies:

• Strong weapons handling and safety discipline.
• Ability to lead under stress and direct armed response teams.
• Clear written communication for incident reporting.
• Proficiency with radios, CCTV, access control systems.

Physical Requirements:

• Ability to stand armed post for long periods, conduct foot/vehicle patrols, and lift/move moderate weight.
• Meet fitness standards for weapons handling and emergency response.
• Must be able to wear body armor and carry weapon systems daily.

Preferred Qualifications

• Prior military, infantry, security forces, or civilian law enforcement.
• Instructor certifications (firearms, UoF, defensive tactics) a plus.
• Experience with DoD contract security operations (e.g., Army, Navy, Air Force, DARPA, DLA, MDA).

Castelion offers a generous benefits package. Please refer to the bottom of our Careers page for more details.  

Other Duties 

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice. 

Additional Eligibility Requirements 

This position may require access to classified information or restricted U.S. Government sites, systems, or information, as determined by the Company and/or applicable U.S. Government requirements. If the position is so designated, your employment in the role may be contingent upon your ability to obtain and maintain the required U.S. Government security clearance or other government authorization, and to satisfy any citizenship or other eligibility requirements imposed by applicable law, regulation, executive order, or government contract requirements. You will be notified if and when such requirements apply. 

Affirmative Action/EEO Statement 

Castelion is an Equal Opportunity Employer. We are committed to providing equal employment opportunities to all applicants and employees without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, protected veteran status, or any other characteristic protected by applicable federal, state, or local law. 

Castelion is committed to providing reasonable accommodations to qualified individuals with disabilities throughout the application and hiring process. If you require a reasonable accommodation to complete an application, participate in the interview process, or otherwise participate in the hiring process, please contact [email protected]. Requests for accommodation will be considered on an individual basis and handled in accordance with applicable law. 

Castelion is committed to fostering a workplace where employment decisions are based on qualifications, business needs, and the ability to perform the essential functions of the role, with or without reasonable accommodation. 

EAR/ITAR Requirements 

This position requires access to export-controlled information, and as such, employment (or hiring of a contractor) is contingent upon the candidate’s ability to access all applicable export-controlled information without additional export licensing being required by the Bureau of Industry and Security and/or the Directorate of Defense Trade Controls.