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Information System Security Officer

MANTECH
Fort Washington, MD Full Time
POSTED ON 4/8/2026
AVAILABLE BEFORE 5/15/2026
MANTECH seeks a motivated, career and customer-oriented Information System Security Officer to join our team in Washington.

Responsibilities Include But Are Not Limited To

  • Monitor information systems for threats, audit records, and ensure security controls are functioning
  • Develop, maintain, and review authorization packages (System Security Plans - SSPs), and create Plans of Actions and Milestones (POA&Ms) for non-compliant items.
  • Conduct vulnerability assessments, identify risks, and recommend mitigation strategies to the Information System Security Manager (ISSM) or Authorizing Official (AO)
  • Support security investigations, incident handling, and reporting
  • Establish, operate and maintain agnostic cloud environments (Commercial, GovCloud, SC2S and C2S) for EMSO programs, and targeted external programs
  • Provide information systems security and lead the accreditation (ATO) efforts for RAID environment
  • Lead the design, development and delivery of compliance and analytical software tools for Air Force Combatant Commands, OUSDI and PREM, and EMSO programs

Minimum Qualifications

  • Must possess a CompTIA Security and/or CASP certification
  • A minimum of three years’ experience in information assurance, risk management, or system administration; security monitoring assurance; risk management; compliance and documentation
  • Experience with the National Institute of Standards and Technology (NIST) Risk Management Framework (RMF), firewalls, and intrusion detection systems, XACTA/eMass, and POA&M
  • Expert knowledge of Unix/Linux operating systems, databases, web servers, networking technologies, Linux security, EndPoint security, and cloud security
  • Experience with vulnerability/patch management (container scanning, DAST/SAST)

Preferred Qualifications

  • Strong knowledge and experience with RHEL command line
  • Strong knowledge of Cloud computing environments such as AWS
  • Experience leading Cybersecurity (ISSO & ISSE) teams

Clearance Requirements

  • Must be a US Citizen and possess an active TS/SCI clearance

Physical Requirements

  • The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

Salary.com Estimation for Information System Security Officer in Fort Washington, MD
$125,460 to $153,618
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