Drimva

Castelion

COMSEC Manager

Torrance, CA +1 · Manager · Full-time · Posted Oct 5, 2026

Location
Torrance, CA
19951 Mariner Ave, Torance, CA 90503
Experience
7+ years of progressively responsible experience; no stated alternative.
Visa sponsorship
No visa policy stated; the posting requires access to export-controlled information without additional export licensing and says clearance or other government authorization and eligibility requirements may apply.

About the job

Leads Castelion’s company-wide Communications Security program, ensuring secure handling of cryptographic material, compliant operations, and readiness for government and customer reviews.

What you'll do

  • Establish and oversee COMSEC policies, accounts, personnel authorization, equipment, and cryptographic material accountability.
  • Liaise with government authorities and advise leadership and teams on requirements, risks, inspections, and compliance.
  • Direct training, incident response, audits, and scalable improvements to COMSEC operations.

What they ask for

  • 7+ years of progressively responsible experience in COMSEC, classified communications, information assurance, or a closely related security discipline.
  • Extensive experience as a COMSEC Manager, COMSEC Custodian, Alternate COMSEC Custodian, or equivalent program lead, managing complex COMSEC programs and cryptographic key material.
  • Deep knowledge of applicable NSA, DoD, NISPOM, government, and customer-specific COMSEC requirements; experience leading inspections, audits, investigations, risk assessments, and corrective actions.
  • Active Top Secret/SCI/SAP clearance or ability to obtain and maintain the required clearance.

Nice to have

  • Experience leading COMSEC programs across multiple sites, programs, or customer environments.
  • Current COMSEC Manager or equivalent advanced training and certification; professional security certification such as CISSP, CISM, Security+, or equivalent.

Tools

NSA, DoD, NISPOM, electronic key management systems, cryptographic equipment, secure voice/data systems, classified networks

Model-written summary · the original posting is authoritative

First seen Oct 28, 2026 · Last verified Nov 5, 2026 (UTC)