Senior Information System Security Officer (ISSO)

1 Month ago • All levels

Job Summary

Job Description

AnaVation is seeking an experienced Senior Information System Security Officer (ISSO) to support a mission-critical cybersecurity. This senior-level role requires expert knowledge of RMF and NIST frameworks to lead complex ATO efforts, manage high-value systems, and mentor junior security staff. The selected candidate will play a key role in safeguarding cloud-based, high-impact, and classified systems across the federal enterprise. Responsibilities include maintaining security documentation, conducting security control assessments, performing audit log and vulnerability scan reviews, collaborating with technical teams to manage risk, supporting Ongoing Authorization (OA) and continuous monitoring activities, and preparing briefings for senior leadership on system security posture and compliance metrics.

Must have:

Expert knowledge of RMF and NIST frameworks.
Experience with ATO efforts and high-value systems.
Ability to mentor junior security staff.
Experience safeguarding cloud-based and classified systems.
Support system ATO and ATT efforts.
Conduct security control assessments and provide recommendations.
Perform audit log and vulnerability scan reviews and track POA&M items.
Manage risk and respond to incidents.
Support Ongoing Authorization (OA) and continuous monitoring activities.
Prepare briefings for senior leadership on system security posture and compliance.

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Job Details

Be Challenged and Make a Difference

In a world of technology, people make the difference. We believe if we invest in great people, then great things will happen. At AnaVation, we provide unmatched value to our customers and employees through innovative solutions and an engaging culture.

Description of Task to be Performed:
Come join our growing team and make a difference every day! AnaVation is seeking an experienced Senior Information System Security Officer (ISSO) to support a mission-critical cybersecurity. This senior-level role is ideal for candidates with expert knowledge of RMF and NIST frameworks who are ready to lead complex ATO efforts, manage high-value systems, and mentor junior security staff. The selected candidate will play a key role in safeguarding cloud-based, high-impact, and classified systems across the federal enterprise.

Key responsibilities include:
• Support the maintenance of security documentation and support system ATO and ATT efforts.
• Conduct security control assessments and provide recommendations for remediation.
• Perform biweekly audit log and vulnerability scan reviews and track POA&M items.
• Collaborate with system owners and technical teams to manage risk and respond to incident.
• Support Ongoing Authorization (OA) and continuous monitoring activities.
• Prepare and brief senior leadership on system security posture and compliance metric.
• Ensure alignment with cybersecurity policies and NIST SP 800-53, 800-37, and 800-137.

This position is full-time onsite with our customer in a Metro-accessible location in Washington, DC.