Information Systems Security Officer

Information Systems Security Officer (ISSO)

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.

• Perform ISSO duties in support of in‑house and external customers.
• Prepare, review, and update authorization packages.
• Notify ISSM when changes occur that might affect the authorization determination of the information system(s).
• Conduct periodic reviews of information systems to ensure compliance with the security authorization package.
• Coordinate any changes or modifications to hardware, software, or firmware of a system with the ISSM and AO/DAO prior to the change.
• Ensure all IS security‑related documentation is current and accessible to properly authorized individuals.
• Ensure audit records are collected, reviewed, and documented (to include any anomalies).
• Attend required technical and security training (e.g., operating system, networking, security management) relative to assigned duties.
• Execute the cyber security portion of the self‑inspection, providing cyber security coordination and review of all system assessment plans.
• Identify cyber security vulnerabilities and assist with the implementation of the countermeasures for them.
• Conduct security impact analysis activities and provide to the ISSM on all configuration management changes to the authorization boundaries.

• Bachelor’s degree in a related discipline from an accredited college or university (2 additional years of experience may be substituted for a degree).
• 4+ years of direct or related experience.
• Active/valid DoD 8570.01‑M IAT‑II certification.
• Experience with DoD/USAF information security policy background with practical, hands‑on experience applying RMF processes and principles.
• Experience developing and/or contributing to an RMF body of evidence composition, applicable artifacts, and associated control families.
• Excellent communication skills, including the ability to exchange accurate information and deliver presentations to co‑workers, management, and customers.

• Must have a current/active Top Secret clearance.
• Must be able to obtain and maintain a DoD TS/SCI‑eligible clearance (i.e., DCID 6/4 eligibility).
• Eligibility for access to Special Access Program Information.
• Willingness to submit to a polygraph.

• Must be able to remain in a stationary position 50% of the time.
• Must occasionally move about inside the office to access file cabinets, office machinery, etc.
• Constantly operates a computer and other office productivity machines, such as a calculator, copy machine, and computer printer.

The projected compensation range for this position is $83,300.00–$. Salary is influenced by contract wage determination, relevant work experience, skills, location, and National Labor Category.

MANTECH invests in its employees beyond compensation. Benefits offerings include health insurance, life insurance, paid time off, holiday pay, short‑term and long‑term disability, retirement and savings, learning and development opportunities, wellness programs, and other optional benefits.

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 and provide your name and contact information.