Information Systems Security Officer (ISSO)

Parsons Corporation•McLean, VA

About The Position

Parsons is looking for a talented Information Systems Security Officer (ISSO) to join our team! In this role, you will support and maintain the cybersecurity posture of information systems, ensuring compliance with federal regulations and implementing security controls to protect system integrity.

Requirements

Bachelor’s degree or equivalent and 5+ years of relevant experience.
Proven experience in information systems security, cybersecurity operations, or related security roles.
Strong knowledge of federal regulations such as NIST 800-181 and cybersecurity best practices.
Demonstrated ability to conduct risk assessments and support vulnerability management activities.
Exceptional organizational and analytical skills with attention to detail in documentation and reporting.
An active Top Secret SCI w/Polygraph security clearance is required for this position.

Nice To Haves

Experience implementing, operating, and monitoring security controls for information systems in accordance with federal or DoD/IC standards.
Familiarity with tools and technologies for cybersecurity management (e.g., vulnerability scanners, SIEMs, endpoint security tools, configuration management tools).
Strong communication skills to collaborate with system owners, administrators, and other stakeholders to support compliance and remediation actions.
Knowledge of strategies and techniques to protect system integrity, confidentiality, and availability, and to support continuous monitoring efforts.

Responsibilities

Support the cybersecurity of information systems, helping to ensure compliance with federal regulations (e.g., NIST 800-181).
Implement, operate, and monitor security controls to protect system integrity, confidentiality, and availability.
Conduct and document risk assessments to identify and help mitigate potential vulnerabilities.
Track, analyze, and report vulnerabilities; support remediation activities to ensure adherence to federal regulations and organizational policies.
Assist in preparing and maintaining security documentation (e.g., SSPs, POA&Ms, risk assessments) in coordination with the ISSM and other stakeholders.