Security Controls Assessor (Part time & Remote)

TestPros•Sterling, VA

6d•$50 - $95•Remote

About The Position

TestPros is looking for Security Controls Assessors with experience performing on risk management programs for U.S. Federal and commercial clients by utilizing NIST, RMF, and FISMA compliance frameworks. This is a part-time consulting role for future projects starting late 2026 or 2027. The role involves conducting NIST 800-53 Rev 5 based Authority To Operate (ATO) support.

Requirements

5+ years of directly related experience in IT security compliance, including recent experience with NIST 800-53 Rev 5 "Security and Privacy Controls for Federal Information Systems and Organizations"
Cloud computing security
Security governance and policy
Security risk analysis
Auditing and monitoring systems
Scanning and vulnerability management systems
Advanced Malware Protection
Threat Intelligence
Incident Management - analysis, detection, and handling of security events
Penetration testing and associated tools (e.g., nmap, Metasploit, etc.)

Nice To Haves

Bachelor's Degree in Computer Science or a related technical discipline, or the equivalent combination of education, professional training, or work experience (preferred)
Military and/or practical job experience may be considered in-lieu of formal education, with significant industry certifications

Responsibilities

Develop NIST 800-53 Rev5 based System Security Plan (SSP).
Create/Update the applicable documents identified by NIST 800-53 Rev 5, specifically the Security Assessment Report (SAR).
Create/Update the associated Plan of Actions and Milestones (POA&M).
Provide detailed security-related reports including data, analyses, and conclusions upon completion of tests, scans, and assessments, including mitigations and, if indicated, appropriate escalation of identified risks and vulnerabilities.
Verify and document the implementation of security controls necessary to achieve compliance.
Keep management apprised of impending areas of concern, verbally and in writing.
Review and develop System Security Plans (SSPs), Plans of Actions and Milestones (POA&Ms), and as well as other necessary artifacts.
Facilitate the Plan of Actions and Milestones (POA&M) program to ensure customer systems have accurately and fully provided information for POA&M activities to include valid remediation of findings.
Develop various policy documents (SOPs/CONOPs) as required. This may include policies regarding Configuration Management, IS Sanitization, Media Security, Password Policy, Business Continuity, Continuity of Operations, Incident Response, Disaster Recover, and Security Assessments.
Develop new, and mature existing information security and risk policies.
Initiate, and lead on-going information security maturity assessment processes and training, using industry accepted frameworks and implement into the overall cyber security posture.
Produce and review key performance indicators for implemented security measures and distribute KPIs.
Maintain knowledge of threat landscape by monitoring threat intelligence, and other related sources.