Senior IT Security Control Assessor

Senior IT Security Control Assessor page is loaded## Senior IT Security Control Assessorlocations:
US - VA, McLean time type:
Full time posted on:
Posted Todayjob requisition :
38234
** Job Family:
** Cyber Consulting
*
* Travel Required:

** Up to 25%
*
* Clearance Required:

** Ability to Obtain Secret
*
* What You Will Do:

*** Lead teams conducting 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
* Oversee team deliverable reviews, offering real-time feedback and coaching to improve quality and performance.
*
* What You Will Need:

*** Bachelor’s degree in computer science, Information Technology, Cybersecurity, or related field
* Minimum of FIVE (5) 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)
* Team leadership experience
** 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
*
* 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 Pay Down
* 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 or via email at Recruitin 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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