Security Control Assessor

Guidehouse • Tysons Corner, VA

1d • Hybrid

About The Position

Lead and/or support the development of RMF and A&A documentation including SSPs, control implementation matrices, SARs, POA&Ms, and risk acceptance materials. Support authorization of on premise and cloud services leveraging FedRAMP packages, considering agency specific control requirements, and support 3PAO readiness assessments and SAR development for cloud platforms. Interpret and operationalize FISMA, NIST RMF, FedRAMP, and OSCAL standards to guide application enhancements, evidence automation, and RMF workflow modernization across a GRC platform. Ensuring consistency and compliance across multi‑tenant GRC environments, helping Components and customer agencies implement security controls, maintain accurate documentation, and sustain reliable continuous monitoring. Collaborating across Agile teams to embed RMF discipline, support backlog refinement, and validate that modernization activities remain compliant with Federal requirements. Coordinate A&A activities and requirements with System Owners, ISSOs, IAMs, and third-party assessors, reducing manual burden for ISSOs and system owners by shaping automated workflows, improving evidence pathways, and strengthening data integrity used for scoring, dashboards, and compliance reporting. Providing compliance and RMF subject matter guidance throughout sprint cycles, planning, testing activities, and release readiness processes, ensuring enhancements align with RMF control requirements and governance expectations. Supporting continuous authorization (cATO) goals through integration of automated control validation, vulnerability data ingestion, security tooling alignment, and machine‑readable artifacts (OSCAL).

Requirements

• An ACTIVE and CURRENT Federal or DoD Public Trust
• Bachelor’s Degree AND Seven (7) years of relevant cybersecurity experience, OR a Master’s Degree AND Five (5) years of relevant experience.
• Experience as an SCA (current or past)
• Security+, CAP, or equivalent certification
• Strong working knowledge of NIST SP 800 37, 800 53, FISMA, and FedRAMP.
• Excellent verbal and written communication skills, specifically in report writing.
• Ability to commute to client office as need per week

Nice To Haves

• Experience supporting third party assessments or SAR development.
• Familiarity with ServiceNow, GRC platforms, or audit tracking tools.
• Experience consulting at large federal agencies such as the Department of State, Department of Justice or Department of Homeland Security related to GRC implementations
• Demonstrated experience in the areas of external client-facing management and/or consulting for large firms

Responsibilities

• Lead and/or support the development of RMF and A&A documentation including SSPs, control implementation matrices, SARs, POA&Ms, and risk acceptance materials.
• Support authorization of on premise and cloud services leveraging FedRAMP packages, considering agency specific control requirements, and support 3PAO readiness assessments and SAR development for cloud platforms.
• Interpret and operationalize FISMA, NIST RMF, FedRAMP, and OSCAL standards to guide application enhancements, evidence automation, and RMF workflow modernization across a GRC platform.
• Ensure consistency and compliance across multi‑tenant GRC environments, helping Components and customer agencies implement security controls, maintain accurate documentation, and sustain reliable continuous monitoring.
• Collaborate across Agile teams to embed RMF discipline, support backlog refinement, and validate that modernization activities remain compliant with Federal requirements.
• Coordinate A&A activities and requirements with System Owners, ISSOs, IAMs, and third-party assessors, reducing manual burden for ISSOs and system owners by shaping automated workflows, improving evidence pathways, and strengthening data integrity used for scoring, dashboards, and compliance reporting.
• Provide compliance and RMF subject matter guidance throughout sprint cycles, planning, testing activities, and release readiness processes, ensuring enhancements align with RMF control requirements and governance expectations.
• Support continuous authorization (cATO) goals through integration of automated control validation, vulnerability data ingestion, security tooling alignment, and machine‑readable artifacts (OSCAL).

Benefits

• Medical, Rx, Dental & Vision Insurance
• Personal and Family Sick Time & Company Paid Holidays
• Position may be eligible for a discretionary variable incentive bonus
• Parental Leave and Adoption Assistance
• 401(k) Retirement Plan
• Basic Life & Supplemental Life
• Health Savings Account, Dental/Vision & Dependent Care Flexible Spending Accounts
• Short-Term & Long-Term Disability
• Student Loan PayDown
• Tuition Reimbursement, Personal Development & Learning Opportunities
• Skills Development & Certifications
• Employee Referral Program
• Corporate Sponsored Events & Community Outreach
• Emergency Back-Up Childcare Program
• Mobility Stipend

What This Job Offers

• Job Type: Full-time
• Career Level: Senior