Senior ISSO – RMF/NIST & CDS Security

Shield AI; Washington; On-site; USD 120,000 - 190,000; Full time

Benefits offered by this job

Bonus

Benefits

Equity

Job summary

Shield AI seeks a seasoned Staff ISSO to safeguard classified information systems within a high-performance Federal Systems Team. This on-site role focuses on implementing cybersecurity controls, RMF lifecycle support, and ensuring DoD/IC compliance across multiple classification levels, including CDS environments.

You will collaborate with ISSM and stakeholders to maintain SSPs, conduct vulnerability analysis, and drive continuous monitoring while guiding engineers on secure design and MLS

Qualifications

• 8 years in cybersecurity or ISSO roles in classified environments.
• Experience with RMF and NIST 800-53.
• Familiarity with STIGs and vulnerability tools.

Responsibilities

• Implement and monitor cybersecurity controls in accordance with RMF and NIST 800-53.
• Ensure compliance with DoD and IC requirements.
• Review configurations, audit logs, and controls regularly.
• Support RMF lifecycle activities.
• Maintain SSPs, POA&M[s], and related artifacts.
• Coordinate with ISSM, AO, and stakeholders.
• Perform vulnerability management and patch tracking.
• Analyze scan results (ACAS/Nessus).
• Report system risk posture.
• Support incident response activities.
• Assist with audits and inspections.
• Maintain audit-ready documentation.
• Support CDS accreditation and compliance.
• Validate configurations and data flows.
• Coordinate with CDS administrators.
• Ensure STIG compliance.
• Maintain secure baselines.
• Review configuration changes.
• Work with engineers and admins on secure design.
• Provide guidance on MLS environments.

Skills

Cybersecurity

ISSO experience

RMF process

NIST 800-53

Incident response

Education

Bachelor’s degree or equivalent experience

Tools

STIGs

eMASS

ACAS/Nessus

Job description

Shield AI seeks a seasoned Staff ISSO to safeguard classified information systems within a high-performance Federal Systems Team. This on-site role focuses on implementing cybersecurity controls, RMF lifecycle support, and ensuring DoD/IC compliance across multiple classification levels, including CDS environments.

You will collaborate with ISSM and stakeholders to maintain SSPs, conduct vulnerability analysis, and drive continuous monitoring while guiding engineers on secure design and MLS