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Information Systems Security Officer 3

United States, Annapolis Junction · Job Posted April 24, 2026
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Job Description

The Information System Security Officer (ISSO) provides comprehensive support to programs, organizations, systems, and enclaves in maintaining an effective information assurance and cybersecurity posture. This role ensures the implementation, coordination, and enforcement of information systems security policies, standards, and methodologies. The ISSO maintains the operational security posture of assigned systems, supports security authorization activities under NIST RMF, and assists in the daily security operations required to protect systems processing classified information.

Job Responsibility

  • Support senior ISSOs in implementing and enforcing information systems security policies, standards, and methodologies
  • Propose, coordinate, and implement IT security programs, policies, and methodologies
  • Assist with preparation, development, and maintenance of cybersecurity documentation, including SSPs, SRTMs, C&A packages, and Risk Assessment Reports
  • Maintain operational cybersecurity posture for assigned systems, programs, or enclaves
  • Evaluate security solutions to ensure compliance with security requirements for processing classified information
  • Assist with configuration management (CM) of security-relevant software, hardware, and firmware
  • Manage and control system changes while assessing associated security impacts
  • Maintain records for workstations, servers, network devices, system upgrades, and security-relevant configuration changes
  • Develop and update system security plans and related cybersecurity documentation
  • Support the ISSM in maintaining the appropriate cybersecurity posture
  • Assist in managing system security aspects and performing daily security operations
  • Track and validate user identification and authentication mechanisms
  • Obtain and maintain system authorization for information systems under assigned purview
  • Provide oversight and direction to contractor ISSOs
  • Interact directly with customers, IT staff, and senior corporate leadership to achieve cybersecurity objectives
  • Conduct vulnerability and risk assessment analyses to support security authorization
  • Provide configuration management for information systems security software, hardware, and firmware
  • Support the implementation of security authorization activities in accordance with NIST Risk Management Framework (RMF)

Requirements

  • Fifteen (15) years as an ISSO on programs and contracts of similar scope, type, and complexity
  • At least three (3) of the following areas: Current security tools
  • Hardware/software security implementation
  • Communication protocols
  • Encryption techniques and tools
  • Bachelor's degree in Computer Science or related discipline from an accredited institution
  • Four (4) additional years of ISSO experience may replace the bachelor's degree
  • DoD 8570 IAM Level I compliance or higher required
  • U.S. Citizenship is required
  • Active Security Clearance with appropriate Polygraph

What we offer

  • Medical: CTP offers 3 superior plans, bringing our employees both in-network and out-of-network options
  • Vision + Dental: Both free to you + paid in full by CTP
  • Retirement: 401k - 6% company contribution
  • PTO + Leave: customizable leave plans, Jury Duty, Bereavement + Military Leave
  • Career Growth: Up to $10,000 provided for approved career-related learning, training, education, and/or tuition
  • Life and AD&D Insurance/Short-Term & Long-Term Disability: at zero cost to you
  • Profit Sharing Bonus: End of year cash
  • Referral Bonus Program: bonuses range from $7,000-$20,000

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