About the job
Job Overview:
We are on the lookout for a dedicated and skilled Senior Information System Security Officer (ISSO) to bolster our mission-critical cybersecurity initiatives. This senior role is perfect for candidates with extensive expertise in Risk Management Framework (RMF) and National Institute of Standards and Technology (NIST) guidelines. You will lead complex Authority to Operate (ATO) initiatives, manage high-value systems, and mentor junior security personnel, all while ensuring the security of cloud-based, high-impact, and classified systems across the federal landscape.
Key Responsibilities:
- Maintain and oversee security documentation while assisting with ATO and Authority to Test (ATT) processes.
- Conduct comprehensive security control assessments and provide actionable remediation recommendations.
- Review biweekly audit logs and vulnerability scans, tracking Plan of Action and Milestones (POA&M) items.
- Collaborate with system owners and technical teams to assess risk and respond to security incidents.
- Support ongoing authorization (OA) and continuous monitoring activities.
- Prepare presentations and briefings for senior leadership regarding system security posture and compliance metrics.
- Ensure adherence to cybersecurity policies and standards including NIST SP 800-53, 800-37, and 800-137.

