Information Systems Security Specialist ATO

• Support the ISSO/Security Architect as a secondary point of contact with programs, system owners, administrators, and other stakeholders.
• Track correspondence, action items, deliverables, deadlines, and meeting follow-ups through closure.
• Schedule meetings, capture notes, distribute action items, and maintain project planning boards and deliverable trackers.
• Review, track, and maintain security and interconnection documentation, including ISAs, SLAs, OLAs, MOUs, MOAs, PTAs, and PIAs, including routing, signatures, expirations, and renewals.
• Draft, format, review, and maintain supporting security documentation, ensuring completeness, consistency, version control, and organized document management.
• Track vulnerability scan results, remediation status, and POA&M items; coordinate scan schedules and follow up on open findings with system administrators.
• Maintain hardware and software inventories and ensure alignment with system documentation and the authorization boundary.
• Enter and update artifacts, control status, inventories, evidence, and POA&Ms in GRC tools such as Xacta; generate status reports for assessments and continuous monitoring.
• Support ongoing RMF, ATO, and continuous monitoring activities, and escalate unresolved issues, documentation gaps, or schedule risks as needed.

• Active Top Secret clearance with SCI eligibility.
• HS + 13 years, AS + 10 years, BS + 6 years, or MS + 4 years of relevant experience in IT, cybersecurity, compliance, program support, or administrative/project coordination, preferably in a federal or DoD environment.
• Experience supporting cybersecurity compliance, documentation, coordination, or program execution in a federal/DoD setting.
• Strong organizational, written, and verbal communication skills, with the ability to manage multiple stakeholders, deadlines, and action items independently.
• Working knowledge of cybersecurity fundamentals, including access control, least privilege, patching, vulnerability management, data handling, and incident reporting.
• Experience with security documentation, agreement tracking, inventory management, artifact management, and POA&M status reporting.
• Familiarity with GRC tools such as Xacta or eMASS.
• Familiarity with vulnerability scanning tools and outputs such as ACAS/Nessus, Tenable, Tanium, or similar.
• Exposure to RMF, NIST SP 800-53, STIGs, ATO processes, and system interconnection agreements such as ISAs and MOUs.
• Proficiency with Microsoft Office, especially Excel, and Microsoft Teams.
• Professional follow-through, sound judgment, and the ability to know when to act independently and when to escalate.

Pay Transparency Statement

AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $130,000.00/Yr. - USD $170,000/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.