Information Systems Security Officer (L3)

Job Summary

A leading federal contractor is seeking a qualified and motivated Cybersecurity Information System Security Officer (ISSO) Level 3 to support a mission-critical Department of Defense (DoD) program. This role offers the opportunity to join a team of professionals committed to cybersecurity excellence and national defense.

As an ISSO, you will apply and manage IT security controls to protect the confidentiality, integrity, and availability of DoD systems and data. You will ensure alignment with current hardware and software configurations and coordinate with system and network configuration managers.

This position supports the full Risk Management Framework (RMF) lifecycleincluding assessment, authorization, sustainment, and system disposition. You’ll collaborate with Certified Defense Contractors to uphold continuous monitoring standards and meet change management requirements. Close coordination with the Security Control Assessor (SCA) and Authorizing Official Designated Representative (AODR) is essential to obtain and maintain security approvals.

Additional duties include account management, auditing, vulnerability scanning, and advising both civilian and military personnel on cybersecurity matters. The role also supports compliance efforts and audit readiness.

This is an excellent opportunity for an experienced cybersecurity professional to contribute technical knowledge and strategic insight in a mission-focused environment.

Responsibilities / Required Skills