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Castelion Corporation

Manager, Physical Security Programs

Torrance, CA, United States
Torance, CA, United States

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Job details

Posting language: English
Posted: Nov 9, 2026

Original job description

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.

Manager, Physical Security Programs

The Manager, Physical Security Programs owns Castelion’s access and visitor programs, physical security standards, assessments, and security readiness requirements for new facilities. This role leads Physical Security Specialists across company locations and establishes consistent processes for employee access, visitor services, and onboarding processes for security.

Reporting to the Director of Physical Security, this manager works with Physical Security Operations, Electronic Security Systems, the GSOC, and Government Security to implement requirements, identify gaps, and verify corrective actions.

Responsibilities

Own companywide badge and visitor programs, including access approval workflows, credential issuance and removal, periodic access reviews, visitor authorization, escort requirements, and recordkeeping.
Hire, train, and manage Physical Security Specialists. Establish service standards for visitor arrivals, VIP visits, new hire onboarding, and interview candidates for a thorough and consistent companywide process.
Develop and maintain physical security policies, standards, and procedures for leadership approval. Translate requirements into practical site instructions and coordinate implementation with the teams responsible for carrying them out.
Oversee site assessments and program inspections to verify that access controls, visitor practices, and physical safeguards meet established requirements. Document findings, assign corrective actions to the responsible teams, verify completion, and escalate unresolved risks.
Define security program requirements and readiness criteria for new facilities and expansions. Work with project leads and operational teams to verify that access processes, specialist coverage, procedures, and required security capabilities are ready before opening.

Basic Qualifications

Bachelor’s degree in security management, criminal justice, business administration, or a related field, or equivalent relevant professional experience.
7+ years of progressively responsible experience in physical security or corporate security, including experience supporting multiple facilities.
2+ years of experience in managing personnel and leading security programs.
Experience administering access control, badging, or visitor programs and developing clear policies and operating procedures.
Experience conducting or managing physical security assessments, documenting findings, and coordinating corrective actions across departments.

Preferred Skills and Experience

Experience supporting aerospace, defense, advanced manufacturing, critical infrastructure, or other environments with sensitive operations.
Experience standardizing security programs across multiple locations or supporting new site openings during rapid growth.
Experience management specialist teams responsible for employees’ access, visitor services, executive visits, and security onboarding.
Familiarity with the physical protection of controlled information and coordination with Government Security, on site specific requirements.
Experience using program metrics to improve security service quality and track corrective actions.

Additional Requirements

This role is based in Torrance, CA and requires full-time onsite presence, with occasional travel to other company locations to support assessments, program implementation, and new site readiness.
Must successfully complete required background screening and obtain and maintain required background screening and obtain and maintain required site credentials and a U.S. Government security clearance, if required for assigned responsibilities.

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.

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.

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More about this job

Skills

Recordkeeping
Leadership
Inspection
Apply advanced manufacturing
Onboarding

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