Job Description

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) lifecycle—including 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 Active Top Secret clearance with SCI eligibility (TS/SCI) Willing and able to submit to a Counterintelligence (CI) polygraph 10+ years of relevant DoD experience 4+ years of experience in SAP and/or SCI environments within the past 5 years Willingness to travel as needed Subject Matter Expert in RMF, cyber engineering, and project management Strong communication skills, both verbal and written Ability to convey complex technical concepts clearly and concisely Proven ability to anticipate and mitigate potential issues Highly organized with strong problem-solving and critical-thinking skills Strategic mindset with the ability to support senior leadership Education / Certifications MA/MS/ME in Computer Science, Cybersecurity, MIS, or related field Relevant certifications or equivalent experience may be considered in lieu of a degree 1+ year of experience implementing RMF IT security controls and policies DoD 8140 / DoD 8570 IASAE Level II certification Security Professional Education Development (SPēD) certification

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