Security Specialist (COMSEC)

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 the trusted partner to the nation’s space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space— delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you’ll be part of a special collection of problem solvers, thought leaders, and innovators. Join us and take your place in space.

COMSEC Security Specialist

This position will be located 100% onsite in El Segundo, CA.

What You’ll Be Doing

• Provide day-to-day support for Collateral, Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities across the enterprise.
• Conduct secure equipment (e.g., secure telephones and encryption devices) and classified keying material inventories, inspections and other COMSEC related support and oversight functions.
• Administer a Top-Secret inventory and document control program to account for COMSEC equipment and materials.
• Conduct COMSEC briefings for personnel about their COMSEC responsibilities prior to granting access.
• Courier classified information and author receipts for classified materials.
• Maintain internal security databases and other records (e.g., COMSEC, security incidents, etc.).
• Have knowledge of security classification, associated markings and physical security requirements for secure vaults and rooms.

What You Need to be Successful

• High School Diploma/GED and a minimum 3-5 years’ experience with COMSEC.
• Current Top-Secret Clearance with SCI Eligibility. U.S. citizenship is required to obtain a security clearance.
• 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 and Secure Terminal Equipment (STE) with KSV-21.
• Experience with NISP and/or SCI.
• Knowledge of NSA/CSS 3‑16 and standard COMSEC tasks (e.g., updating DIAS, COMSEC briefings, inventories, reporting COMSEC incidents, loading key material).
• Proficiency with all Microsoft Office Suite (Word, Excel, PowerPoint, Access, etc.).
• Excellent customer service, verbal, and written communication skills.
• Complete COMSEC Manager's course within 6 months of starting.

How You Can Stand Out

• Bachelor's degree or equivalent work or military experience.
• 5+ years of experience working with COMSEC materials.
• Experience in the handling and safeguarding of classified information.
• Experience with NSA Type‑I Encryption Devices: KG-175s, KG-185, KIV-7, KG-250s, Omni, DTD, SDS, VIPERs and Secure Terminal Equipment (STE) with KSV-21.
• Experience with NISP and/or SCI.
• Experience instructing users on proper use and protection of COMSEC material.
• Experience using COMSEC Fill Devices (SKL, RASKL, SDS, etc.).
• Experience with COMSEC specific tracking databases (CARDS, DIAS, etc.).
• Experience as a Cryptographic Network (CRYPTONET) Controlling Authority (CONAUTH).

We offer a competitive compensation package where you’ll be rewarded based on your performance and recognized for the value you bring to our business. The grade‑based pay range for this job is $41.36 - $62.04 per hour.

Leadership Competencies

• Operate Strategically
• Lead Change
• Engage with Impact
• Foster Innovation
• Deliver Results

Ways We Reward Our Employees

During your interview process, our team will provide details of our industry‑leading benefits.

Benefits

• Comprehensive health care and wellness plans.
• Paid holidays, sick time, and vacation.
• Standard and alternate work schedules, including telework options.
• 401(k) Plan – Employees receive a company‑paid benefit of 8%, 10%, or 12% of eligible compensation based on years of service with matching contributions; employees are immediately eligible and vested upon hire.
• Flexible spending accounts.
• Variable pay program for exceptional contributions.
• Relocation assistance.
• Professional growth and development programs to help advance your career.
• Education assistance programs.
• An inclusive work environment built on teamwork, flexibility, and respect.

We are all unique, from diverse backgrounds and all walks of life, yet one thing bonds us—to make a difference. This core belief empowers us to do our best work at The Aerospace Corporation.

Equal Opportunity Commitment

The Aerospace Corporation is an equal opportunity employer. All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, age, sex (including pregnancy, childbirth, and related medical conditions), sexual orientation, gender, gender identity or expression, color, religion, genetic information, marital status, ancestry, national origin, protected veteran status, physical disability, medical condition, mental disability, or disability status, and any other characteristic protected by state or federal law. If you are an individual with a disability or a disabled veteran who needs assistance using our online job search and application tools or needs reasonable accommodation to complete the job application process, please contact us by phone at 310.336.5432 or by email at [e-mail]. You can also review Know Your Rights: Workplace Discrimination is Illegal.