ManTech International

Personnel Security Specialist

ManTech International$75K — $125K *
Education, Government & Non-Profit
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree or 4 years additional relevant experience in lieu of degree.
  • 6+ years of Personnel Security experience.
  • 4+ years of relevant SCI experience.
  • Familiarity with security policies/manuals, ICDs, JAFANs, and DOD Manuals.

Responsibilities

  • Build and maintain tracking spreadsheets/databases for customer PERSEC activities.
  • Support security awareness and education programs.
  • Perform administrative support tasks as directed by site lead or Government Security Representative.
  • Review and track security clearance processing activities with government personnel.
  • Conduct DCII, JPAS, and SAPNP reviews for candidates for SAP access.
  • Perform data entry and record checks in the Joint Access Database (JADE).
  • Receive and transmit classified visit requests to meet customer needs.

Benefits

  • Health Insurance
  • Life Insurance
  • Paid Time Off
  • Holiday Pay
  • Short-term and long-term Disability
  • Retirement and Savings
  • Learning and Development opportunities
  • Wellness programs
  • Optional benefits elections
Full Job Description
General information

Requisition #

R67804

Locations

USA-CA-Los Angeles

Posting Date

05/20/2026

Security Clearance Required

TS/SCI

Remote Type

Onsite

Time Type

Full time

Description & Requirements

MANTECH seeks a motivated, career and customer-oriented Personnel Security Specialist II to join our team in El Segundo, CA.

The Personnel Security Specialist's primary function is to handle personnel security functions in support of the customer's facility and organization. The position will provide "day-today" PERSEC services for Collateral, Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities.

Responsibilities include but are not limited to:
  • Build and Maintain tracking spreadsheets/databases for customer PERSEC activities.
  • Provide support for the security awareness and education programs.
  • Perform miscellaneous administrative support functions as directed by the contractor site lead and/or the Government Security Representative.
  • Review, track, and monitor security clearance processing activities with appropriate government personnel to achieve appropriate clearance actions.
  • Conduct Defense Central Index of Investigations (DCII), Joint Personnel Access System (JPAS), and SAPNP reviews of candidates being submitted for SAP access.
  • Perform data entry and record checks in the Joint Access Database (JADE) and maintain all customer sponsored personnel access information.
  • Receive and/or transmit classified visit requests as necessary to meet customer needs.


Minimum Qualifications:
  • Bachelor's degree or 4 additional years of experience will be considered in lieu of degree.
  • 6 + years of Personnel Security experience.
  • 4 + years of relevant SCI experience.
  • Must be familiar with security policy/manuals and the appropriate ICDs/JAFANs/DOD Manuals and other guiding policy documents.


Preferred Qualifications:
  • 2+ years of SAP-related experience.


Clearance Requirements:
  • Current Top Secret Clearance with SCI Eligibility.
  • Eligibility for access to Special Access Program Information.
  • 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.
  • Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.
  • Frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.


The projected compensation range for this position is $75,500.00-$125,600.00. 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.

About ManTech International

ManTech International Corporation is an American defense contracting firm that was founded in 1968. The company provides cybersecurity, intelligence, and defense solutions to the United States Government. ManTech has over 9,000 employees and operates in 40 countries worldwide. The company's services include software development, systems engineering, and enterprise IT solutions. ManTech has been awarded numerous contracts by the U.S. Department of Defense and other government agencies.
Learn more about ManTech International
Size
9,800 employees
Market Cap
$3.7 billion
Industry
Net Income
$120.5 million
Founded
1968
5 Year Trend
+9.8%
Revenue
$2.5 billion
NASDAQ

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