Onsite COMSEC Security Specialist — Top-Secret Clearance

aero; El Segundo (CA); On-site; USD 56,977 - 85,466; Full time

Benefits offered by this job

Relocation assistance

Education assistance programs

401(k) Plan with company contributions

Telework options

Flexible spending accounts

Job summary

The Aerospace Corporation is seeking a COMSEC Security Specialist to provide daily COMSEC support onsite in El Segundo, CA. You will manage inventories, conduct briefings, and oversee secure equipment and materials to ensure compliance with NSA/CSS standards.

You will handle Top-Secret/SAP/SCI operations, maintain security databases, and coordinate with teams to uphold information security. A strong background in encryption devices and DIAS is required.

Qualifications

• High School Diploma/GED with 3–5 years’ COMSEC experience.
• Current Top-Secret Clearance with SCI Eligibility (US citizenship required).
• Eligibility for access to Special Access Program Information.
• Willingness to submit to a Counterintelligence polygraph.
• Experience with NSA Type‑I Encryption Devices (KG-175s, KG-185, KIV-7, KG-250s, Omni, DTD, SDS, VIPERs, STE with KSV-21).
• Experience with NISP or SCI.
• Knowledge of NSA/CSS 3‑16 and standard COMSEC tasks (DIAS, COMSEC briefings, inventories, incident reporting).
• Proficiency in Microsoft Office Suite.

Responsibilities

• Provide day-to-day COMSEC support across the enterprise for collateral, SCI, and SAP activities.
• Inventory, inspect, and oversee secure equipment and classified materials.
• Administer Top-Secret inventory control and documentation for COMSEC items.
• Conduct COMSEC briefings before personnel access is granted.
• Courier classified information and maintain receipt records.
• Maintain COMSEC databases and security incident records.
• Understand security classification markings and vault security requirements.

Skills

Security clearance (Top-Secret) with  

SCI Eligibility

Counterintelligence polygraph

Customer service

Microsoft Office

Education

Bachelor's degree or equivalent

Tools

KG-175s

KG-185

KIV-7

KG-250s

STE with KSV-21

DIAS

CARDS

Job description

The Aerospace Corporation is seeking a COMSEC Security Specialist to provide daily COMSEC support onsite in El Segundo, CA. You will manage inventories, conduct briefings, and oversee secure equipment and materials to ensure compliance with NSA/CSS standards.

You will handle Top-Secret/SAP/SCI operations, maintain security databases, and coordinate with teams to uphold information security. A strong background in encryption devices and DIAS is required.