Security Control Assessor
Guidehouse · US - VA, McLean ·
Security Control Assessor leading RMF and A&A documentation, FedRAMP authorization support, and FISMA/NIST standard operationalization for federal government clients using GRC platforms and OSCAL.
Job Family:
Cyber Consulting
Travel Required:
Clearance Required:
What You Will Do:
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).
What You Will Need:
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, and 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
What Would Be Nice To Have:
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
What We Offer:
Guidehouse offers a comprehensive, total rewards package that includes competitive compensation and a flexible benefits package that reflects our commitment to creating a diverse and supportive workplace.
Benefits include:
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
About Guidehouse
Guidehouse is an Equal Opportunity Employer–Protected Veterans, Individuals with Disabilities or any other basis protected by law, ordinance, or regulation.
Guidehouse will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of applicable law or ordinance including the Fair Chance Ordinance of Los Angeles and San Francisco.
If you have visited our website for information about employment opportunities, or to apply for a position, and you require an accommodation, please contact Guidehouse Recruiting at 1-571-633-1711 or via email at [email protected]. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodation.
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