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General information

Requisition #
R67012
Locations
USA-CA-Los Angeles
Posting Date
04/07/2026
Security Clearance Required
TS/SCI
Remote Type
Onsite
Time Type
Full time

Description & Requirements

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH!

MANTECH seeks a motivated, customer-oriented COMSEC Manager to join our team in El Segundo, CA.

The COMSEC Manager will leverage their strong technical background and knowledge to support Special Access Programs (SAPs) and Department of Defense (DoD) agencies. You will provide day-to-day support for Collateral, Sensitive Compartmented Information (SCI), and Special Access Program (SAP) activities.

Responsibilities include but are not limited to:

  • Conducting secure equipment and classified keying material inventories, inspections, and other COMSEC-related support functions.

  • Performing installation of secure telephone equipment (STE) and coordinating the delivery of encryption devices and keying material to IT specialists.

  • Administering a Top-Secret inventory and document control program to account for COMSEC equipment and materials.

  • Conducting inventories per agency policy and reporting any discrepancies to the government customer.

  • Couriering classified information and authoring receipts for classified materials while ensuring compliance with AIS Security requirements.

  • Ensuring proper physical security accreditation has been issued for supported facilities by designated Program Security Officers.

  • Training personnel in COMSEC procedures and the effective use of related equipment.

Minimum Qualifications:

  • Bachelor’s degree or equivalent additional experience (4 years).

  • 6+ years of experience

  • 4+ years in an SCI/SAR environment.

  • Must complete the COMSEC Manager’s course within six months of starting on the contract.

Preferred Qualifications:

  • Strong understanding of COMSEC accountability, acquisition, maintenance, operations, and disposition procedures.

  • Familiarity with security policy manuals, including appropriate ICDs, JAFANs, and DOD manuals.

  • Minimum 3 years’ experience in a SAR environment is highly desired.

  • Proficiency with Microsoft Office Suite (Word, PowerPoint, and Excel) and a high degree of initiative.

  • Willingness to travel within the organizational Area of Responsibility via air and ground transportation.

Clearance Requirements:

  • Active TS/SCI

  • Willingness to submit to a polygraph.

Physical Requirements:

  • Must be able to remain in a stationary position 50%.

  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.

  • Must be able to exchange accurate information in these situations.

  • Must be able to lift approximately 25 – 40 pounds.


The projected compensation range for this position is $97,100.00-$161,900.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories.  In addition, MANTECH invests in its employees beyond just compensation.  MANTECH’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.