Information System Security Engineer

Job Family:
Technology Consulting

Travel Required:
Up to 10%

Clearance Required:
Active Top Secret SCI with Polygraph

What You Will Do:

• Design, implement, and maintain security solutions for classified and air-gapped environments.
• Conduct risk assessments and vulnerability analyses to ensure system integrity.
• Develop and enforce security policies, procedures, and standards.
• Collaborate with cross-functional teams to integrate security into infrastructure and application development.
• Support RMF (Risk Management Framework) compliance and documentation.
• Provide technical guidance on secure architecture and system hardening.
• Participate in security audits and incident response activities.

What You Will Need:

• An ACTIVE and MAINTAINED TS/SCI Federal or DoD security clearance with a FULL SCOPE (FS/FSP) polygraph
• Bachelor's degree in Computer Science, Information Security, or technical discipline.
• TWELVE (12) years in cybersecurity or information systems security engineering.
• A CURRENT DoD 8570 IAT III level certification (i.e. CISSP, CISA, CASP etc.)

What Would Be Nice To Have:

• Strong understanding of NIST SP 800-53, RMF, and other federal security standards.
• Experience with secure system design, implementation, and accreditation.
• Familiarity with air-gapped or classified environments.
• Master's degree in a related field.
• Experience with cloud platforms (AWS, Azure, Google Cloud Platform) in secure deployments.
• Prior work with federal agencies or DoD clients.
• Hands-on experience with security automation tools and SIEM platforms.
• Knowledge of Zero Trust Architecture and emerging cybersecurity frameworks.

The annual salary range for this position is $113,000.00-$188,000.00. Compensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs.

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.

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 1- or via email at All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodation.

All communication regarding recruitment for a Guidehouse position will be sent from Guidehouse email domains including @guidehouse.com or Correspondence received by an applicant from any other domain should be considered unauthorized and will not be honored by Guidehouse. Note that Guidehouse will never charge a fee or require a money transfer at any stage of the recruitment process and does not collect fees from educational institutions for participation in a recruitment event. Never provide your banking information to a third party purporting to need that information to proceed in the hiring process.

If any person or organization demands money related to a job opportunity with Guidehouse, please report the matter to Guidehouse's Ethics Hotline. If you want to check the validity of correspondence you have received, please contact Guidehouse is not responsible for losses incurred (monetary or otherwise) from an applicant's dealings with unauthorized third parties.

Guidehouse does not accept unsolicited resumes through or from search firms or staffing agencies. All unsolicited resumes will be considered the property of Guidehouse and Guidehouse will not be obligated to pay a placement fee.