COMSEC Custodian TS/SCI Security Clearance
Job in
Phoenix, Maricopa County, Arizona, 85034, USA
Listed on 2026-07-25
Listing for:
Amentum
Full Time
position Listed on 2026-07-25
Job specializations:
-
IT/Tech
Cybersecurity, Information Security & Data Protection
Job Description & How to Apply Below
Purpose and Impact:
Amentum is currently seeking an Alternate COMSEC Custodian to join our dynamic team supporting our customers in the Glendale, AZ area. This position is responsible for the administration and oversight of the local facility COMSEC account in the absence of the COMEC Custodian. The Alternate COMSEC Custodian needs solid technical skills and experience for the receipt, issue, safeguarding, accounting, and destruction of COMSEC material.
The Alternate COMSEC Custodian is responsible for the maintenance of up-to-date records and the submission of required accounting report to the National Security Agency (NSA) when required. This position requires an Active TS security clearance with SCI eligibility.
Work Schedule:
Work is performed Monday - Friday in office. 8 hours per day. Additionally, there is an on-call requirement that is rotated amongst the team members off shift.
Essential Responsibilities:
* Manage COMSEC account in accordance with NSA/CSS Policy Manual 3-26, CNSSI manuals 4001, 4003, 4004.1, 4005 and relate Controlled Cryptographic Items (CCI) requirements.
* Responsible for the receipt, transfer, accountability, safeguarding, and destruction activities and covering all COMSEC material that support multiple Sub Accounts/Hand Receipt Holders (HRHs).
* Forecast, initiate and track government requests for cryptographic material in support of core and ad-hoc program support, ensuring availability access to requested materials.
* Assisting with shipping equipment and material weighing up to 50 pounds.
* Using the Key Management Infrastructure (KMI) system.
* Perform Field Tamper Recovery (FTR), upgrading cryptographic device firmware, and ensuring the interoperability of firmware versions between enterprise encryptors.
* Knowledge of the KG-175s, KY-99
Ms, KG-250s, KIV-7M, STEs, OMNIs, Vipers, FNAC, FNBB, and FNBD equipment.
* Programing and operating approved key fill devices KIK-20, KIK-30, AN/CYZ-10 and AN/PYQ 10.
* Perform hands-on installation, maintenance, configuration, and troubleshooting of CCI equipment, as required.
* Perform Over-The-Air-Transfer of material via STE/Viper communications.
* Provide training and COMSEC oversight of personnel at local and remote as it relates to COMSEC and CCI policies and procedures outlined in the COMSEC Account user Standard Operations Procedures (SOP).
* Oversee all COMSEC related investigation and comply with security procedures; investigate, prepare, and submit COMSEC incident report to multiple cognizant security authorities.
* Oversee preparation for all COMSEC inspections, audits, and Staff Assistance Visits.
* Conduct semi-annual physical inventory of all COMSEC material, ensuring continuous NSA requirements.
* Perform initial and refresher COMSEC and Crypto briefings and provide employee training on processes and procedures.
* Travel as needed (10-15%). Work Environment, Physical Demands, and Mental Demands:
Candidate will be required to: carry up to 50 lbs, sit for extended periods of time at a computer workstation, work under desks, raised floors, and cramped spaces. Work on hot building roofs, dark attics, crawl spaces, and climb ladders to repair/replace devices and organize the cable management.
Minimum Requirements (Knowledge, Skills, and Abilities):
* Active DoD TS/SCI security clearance is required with adjudication within the last 5 years or designated CE and the ability to obtain and maintain special accesses.
* Five (5) years of related experience or any equivalent combination of relevant education and experience.
* Install horizontal and vertical network and telecommunications infrastructures per industry standards.
* Experience setting up and troubleshooting network systems, communications circuits and network and telecommunications equipment.
* Experience making, running, testing cables, performing loopbacks, installing equipment.
* Experience using VTC equipment. Security
Clearance Required:
* TS/SCI or TS with SCI eligible - This position requires an active DoD TS/SCI security clearance that has been adjudicated in the last 5 years or designated CE and the ability to obtain and maintain special accesses. Minimum Years of
Experience:
* 5 years Required
Certifications:
* Certification/Training COMSEC certifications
* KMI MGC Operator Training
* DoD 8570.01-M IAT Level II Certification (CompTIA Security +), or must be able to obtain within 6 months
Preferred Qualifications:
* BA/BS in related field. Relevant COMSEC Custodian experience may substitute for required education.
* 10 years of relevant COMSEC Custodian experience
* Proven ability to work within and across multiple project teams
* Excellent listening, writing, and verbal communications skills
* Experience performing as or in direct support of a program security officer, personnel security officer, facility security officer, special security officer or information systems security officer.
* Knowledge of Cyber Security, Information Assurance, or Risk Management Framework…
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