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Castelion is seeking an experienced Supervisor, Physical Security (Armed) to lead armed security operations at our New Mexico installation. You will oversee armed guards, enforce DoD and site policies, manage weapons accountability, and coordinate with law enforcement to protect personnel and assets.
The role requires 7+ years in armed security or related fields, with 3+ years in supervisory roles and DoD installation experience preferred.
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:
Reporting & Documentation:
Coordination & Compliance:
Minimum Qualifications
Clearance:
Weapons Qualifications:
Experience:
Education:
Certifications:
Physical Requirements:
Preferred Qualifications
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 hr@castelion.com. 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.
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.