Security Control Assessor

Guidehouse; McLean (VA); On-site; USD 120,000 - 165,000; Full time

Benefits offered by this job

Medical Insurance

401(k) Plan

Tuition Reimbursement

Mobility Stipend

Certification & Learning Opportunities

Job summary

Guidehouse is seeking an experienced cybersecurity professional to lead RMF/A&A documentation, including SSPs, control matrices, SARs, POA&Ms, and risk acceptance materials. You will support FedRAMP readiness for cloud platforms and assist 3PAO activities, while applying NIST RMF, FISMA, and OSCAL standards.

The role emphasizes collaboration with System Owners, ISSOs, and external assessors, driving automated evidence pathways and continuous monitoring across multi-tenant environments.

Qualifications

• Active and CURRENT Federal or DoD Public Trust required.
• Bachelor’s Degree with 7+ years of cybersecurity experience OR Master’s with 5+ years.
• Experience as an SCA (current or past).
• Security+ or CAP or equivalent certification; knowledge of NIST SP 800-37/800-53, FISMA, FedRAMP.

Responsibilities

• Lead and/or support 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; support SAR development for cloud platforms.
• Operate RMF guidance across a GRC platform, enabling evidence automation and modernized RMF workflows.
• Ensure compliance across multi-tenant GRC environments; assist components and agencies with controls and continuous monitoring.
• Collaborate with Agile teams to embed RMF discipline and validate modernization activities meet Federal requirements.
• Coordinate A&A activities with System Owners, ISSOs, IAMs, and third-party assessors; reduce manual burden by automating workflows.
• Provide compliance and RMF SME guidance through sprint cycles, planning, testing, and release readiness.
• Support cATO goals through automated control validation, vulnerability data ingestion, and OSCAL artifacts.

Skills

RMF governance

FedRAMP

NIST RMF/800-37/800-53

SA/CS experience

Education

Bachelor's Degree

Master's Degree

SCA experience

Tools

ServiceNow

GRC platforms

Audit tracking tools

Job description

Job Family:

Cyber Consulting

Travel Required:

Up to 10%

Clearance Required:

Active Public Trust

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.
• I 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.