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Sr. Information Security Consultant

Job in Reston, Fairfax County, Virginia, 22090, USA
Listing for: Guidehouse
Full Time position
Listed on 2026-01-02
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security
Job Description & How to Apply Below

Job Family :

Technology Consulting

Travel Required :

Up to 25%

Clearance Required :

Active Top Secret SCI with Polygraph

What You Will Do :

Guidehouse has an opportunity for a cleared Sr. Information Security Consultant to leverage their understanding of IC/DOD Risk Management Frameworks (RMF), continuous monitoring, risk scoring, and risk management experience to lead our team of Assessors in conducting rigorous technical testing of security controls across various domains such as access control, cryptography, network security, and incident response for our Intelligence Community customer.

This role is 100% on-site and you must be a self-starter able to work independently.

Responsibilities include but are not limited to:

  • Works with senior members of the client organization to ensure that overall program and project direction, strategy and expectations are met.

  • Quickly Gain understanding of customer’s mission and impact managerial practices.

  • Act as a high-level assessor to help all the Security Control Assessors (SCA) on the RMF Team with their assessments and assessment report reviews prior to submission to the government

  • Manage security controls assessments including kickoff, submission of deliverables, final report, and executive briefing

  • Conduct audits to ensure that security controls are implemented correctly and operating effectively

  • Monitor and evaluate a system's compliance with security, resilience, and dependability requirements

  • Verify that application software/network/system security postures are implemented as stated, document deviations, and recommend required actions to correct those deviations through the development of POA&Ms

  • Lead continuous improvement initiatives aimed at enhancing the effectiveness and efficiency of security assessment processes.

  • Identify opportunities for automation, optimization, and enhancement of assessment methodologies and tools.

  • Mentor to junior Security Control Assessors

What You Will Need :

  • An ACTIVE and MAINTAINED TOP SECRET/SCI federal security clearance with a Counterintelligence (CI) polygraph

  • Bachelor’s Degree

  • FIVE (5) or more years' experience in cybersecurity

  • Ability to obtain a DoD 8570.01-M (IAT III) certification (i.e. CASP+CE, CISSP, CISA, GCED, GCIH, CCSP) within the first 90 days of starting at Guidehouse

What Would Be Nice To Have :

  • An active DoD 8570.01-M (IAT III) certification (i.e. CASP+CE, CISSP, CISA, GCED, GCIH, CCSP)

  • Proficient computer skills and experience using Microsoft applications (Word, Excel, PowerPoint, Visio and Outlook)

  • Exceptional oral and written communication skills

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.

Al…

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