IT Security Auditor - Consultant

Guidehouse; McLean (VA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Medical, Dental & Vision Insurance

Parental Leave

401(k) Retirement Plan

Professional development

Mobility stipend

Job summary

Guidehouse is seeking an IT Security Auditor to lead stakeholder engagement and delivery for IT controls assessments supporting federal agencies. You will analyze control weaknesses, identify root causes, and develop remediation plans, mentoring junior staff as needed.

The ideal candidate has an information security or IT audit background with experience in federal environments, FISMA/NIST guidance, and strong documentation and communication skills. Security clearance is required.

Qualifications

• Active TS/SCI clearance with CI polygraph is required.
• 2+ years' IT consulting experience with federal clients.
• Knowledge of federal information security laws and guidance (FISMA, NIST SP 800, FISCAM).
• Experience in IT controls testing and remediation planning.

Responsibilities

• Lead IT controls assessments for federal agencies using established guidance.
• Interview client stakeholders and IT personnel (ISSOs, admins) for testing insights.
• Review system security plans, SOPs, logs, scans, and artifacts for control testing.
• Evaluate control effectiveness against federal requirements and best practices.
• Document assessment results clearly for review by leadership and clients.
• Summarize findings and provide remediation recommendations to stakeholders.

Skills

IT controls

IT auditing

Stakeholder engagement

Information security

Vulnerability assessments

NIST SP 800

FISMA

Documentation

Mentoring

Education

Bachelor's degree in a Technical or Business field

Tools

DISA STIGs

Vulnerability scanners

Job description

Job Family: Technology Consulting Travel Required: Up to 10% Clearance Required: Active Top Secret SCI with Polygraph

What You Will Do:

The IT Security Auditor will lead stakeholder engagement and technical delivery for efforts supporting federal agencies with IT controls assessments and program evaluations. This is an ideal role for someone with an information security and assurance or IT audit background who is looking to utilize their skills to work with the federal government to analyze IT control weaknesses, identify root causes, and develop remediation plans.

Responsibilities include some or all of the following:

• Performing assessments of IT controls using industry-standard guidance and leading best practices
• Conducting interviews and discussions with a variety of client stakeholders, including IT system personnel such as Information System Security Officers (ISSOs) and system administrators
• Reviewing and analyzing documents and artifacts to assist in IT controls testing such as system security plans, SOPs, audit logs, configuration scans, and vulnerability scans
• Evaluating the implementation and effectiveness of IT controls using provided artifacts against federal requirements, industry guidance, and leading best practices
• Documenting the results of IT controls testing in a consistent and high-quality manner that would allow others to review and understand the results
• Summarizing and communicating IT controls assessment results to a variety of client stakeholders, including senior leadership
• Understanding and analyzing known IT control weaknesses, identifying root causes, and developing detailed remediation plans
• Providing subject matter expertise to client personnel on a wide range of matters relating to IT security and assurance
• Responding to ad-hoc IT security-related requests from client personnel
• Planning and executing day-to-day activities of IT assessments and evaluations individually and for the team
• Mentoring junior team members in day-to-day IT controls testing responsibilities

What You Will Need:

An ACTIVE and MAINTAINED TS/SCI Federal or DoD security clearance with a COUNTERINTELLIGENCE (CI) polygraph.

Bachelor’s Degree in a Technical or Business field.

Two (2) + years' experience providing IT consulting. Experience should include but not be limited to:

• Experience in consulting with the federal government to include senior government clients
• Understanding and knowledge of federal information security and assurance laws, requirements, and guidance (i.e. FISMA, NIST SP 800, FISCAM)

What Would Be Nice To Have:

Relevant certification such as the Certified Information Systems Auditor (CISA) or Certified Information Security Manager (CISM).

Demonstrated knowledge and experience in IT risk and controls through IT audits, IT controls assessments, or IT security reviews.

Demonstrated ability and working knowledge of:

• FISMA, NIST SP 800 series, FISCAM, other relevant federal information assurance laws, regulations, and guidance
• Experience performing: FISMA, OMB Circular A-123, or similar internal control assessments
• Experience implementing or auditing access and account management principles, including authorization, provisioning, recertification, and separation of duties
• Experience implementing or auditing contingency planning principles, including backups, testing of backups, and alternate processing sites
• Experience implementing or auditing configuration management principles, including configuration baseline concepts, baseline deviations, baseline maintenance, change control, and monitoring, and industry-accepted configuration settings such as DISA STIGs
• Experience performing audit logging and monitoring, including generation of audit logs, use of audit log aggregation and analysis tools, and audit log monitoring and review

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.

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