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.