About this opportunity
US101 Guidehouse Inc. lists this IT Security Control Assessor opportunity in tysons, Virginia. Review the employer’s description below for duties, qualifications and application requirements.
Job description
Job Family: Cyber Consulting Travel Required: Up to 25% Clearance Required: Ability to Obtain Secret
What You Will Do:
Conduct FISMA security control assessments in accordance with NIST SP 800-53 and NIST SP 800-53A
Support system authorization efforts across the RMF lifecycle
Perform control testing, interviews, and evidence reviews for management, operational, and technical controls
Document assessment results, findings, and risk determinations in SARs and related ATO artifacts
Identify control gaps, weaknesses, and POA&M items with clear, actionable remediation guidance
Coordinate with system owners, ISSOs, engineers, and program stakeholders during assessments
Support continuous monitoring activities, including ongoing control assessments and ad hoc reviews
Ensure assessments align with agency-specific cybersecurity compliance and information security policies
What You Will Need:
Bachelor’s degree in computer science, Information Technology, Cybersecurity, or related field
Minimum of THREE (3) years of experience in cybersecurity
Must be able to OBTAIN and MAINTAIN a Federal or DoD "SECRET" security clearance; candidates must obtain approved adjudication of clearance prior to onboarding with Guidehouse.
Candidates with an ACTIVE "SECRET" or higher-level clearance are preferred.
Demonstrated experience performing FISMA or RMF-based security control assessments
Strong working knowledge of FISMA, NIST SP 800-53, NIST SP 800-53A, NIST SP 800-37
Experience assessing cloud-based systems, including inherited controls
Ability to clearly document technical and non-technical findings for audit-ready reporting
Understanding of federal cybersecurity compliance requirements and governance processes
Relevant certifications preferred (e.g., CISSP, CISA, CAP, GSLC)
What Would Be Nice To Have:
Master’s Degree in in computer science, Information Technology, Cybersecurity, or related field
Certified Information Systems Security Professional (CISSP)
Knowledge of cloud security (FedRAMP)
Experience with security tools (ACAS/Nessus, Splunk, etc.)
Project management experience
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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.
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.
Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors.
With an integrated business technology approach, Guidehouse drives efficiency and resilience in the healthcare, financial services, energy, infrastructure, and national security markets.
Built to help clients across industries outwit complexity, the firm brings together approximately 18,000 professionals to achieve lasting impact and shape a meaningful future.
guidehouse.com
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Who can apply
Review the original listing for work authorization, qualifications and employer requirements.