Jobs and Careers
GU

Information Systems Security Officer (ISSO)

Guidehouse
Client Office: Springfield, VA, United States, United Statesfull_timeVerifiedPosted 4 Aug 2025

About the role

Job Family:

IT Cyber Security


Travel Required:

None


Clearance Required:

Active Top Secret SCI (TS/SCI)

What You Will Do:

The ISSO will support a large IC client Security & Infrastructure Office with information and data security procedures and processes. Regular duties will include:

  • Operate within cleared environments to perform Information Assurance specific activities for customer needs and timelines.

  • Perform assessments of systems and networks within the networking environment and identify where those systems or networks deviate from acceptable configurations, enclave policy, or applicable Agency policies and guidelines.

  • Perform compliance audits (passive evaluation) and vulnerability assessments (active evaluation).

  • Develop Risk Management Framework (RMF) process operating procedures, policies, and related documentation.

  • Perform duties per NIST SP 900-137, Continuous Monitoring, and audit for anomalous or malicious user activity.

  • Periodically review audits of all systems and monitor corrective actions to ensure closure of all action items.

  • Manage media, including handling and control, labeling, virus-scanning solutions, and data transfers between classification domains via manual and automated processes.

  • Create and enforce strict program control processes to ensure risk mitigation, system accreditation, and certification attainment support. Support will include process support, analysis support, coordination support, security certification test support, security documentation support, investigations, software research, hardware introduction and release, emerging technology research inspections, and periodic audits.


What You Will Need:

  • An ACTIVE and MAINTAINED "TOP SECRET/SCI (TS/SCI)" Federal or DoD security clearance. Once onboard with Guidehouse, new hire MUST be able to OBTAIN and MAINTAIN TS/SCI Federal or DoD security clearance with a (COUNTERINTELLIGENCE (CI)/FULL SCOPE (FS/FSP)) polygraph.

  • Bachelor's degree

  • FIVE (5) years of professional experience with the most recent THREE (3) being in Information Security or Information Assurance

  • Meet requirements for DoD 8570 IAT Level I Certification (i.e. A+ CE CCNA-Security Network+ CE SSCP)


What Would Be Nice To Have:

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

  • Familiarity with security violation mitigation measures and incident reporting actions.

  • Proficiency in computer networking concepts and protocols and network security methodologies.

  • Familiarity with host/network access control mechanisms. Knowledge of cybersecurity principles to manage risks tied to use, processing, storage, and transmission of data.

  • Demonstrated ability to conduct research and analysis for network and information system security principles and best practices.

  • Knowledge of information security program management and project management principles and techniques.


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

  • Parental Leave

  • 401(k) Retirement Plan

  • Group Term Life and Travel Assistance

  • Voluntary Life and AD&D Insurance

  • Health Savings Account, Health Care & Dependent Care Flexible Spending Accounts

  • Transit and Parking Commuter Benefits

  • Short-Term & Long-Term Disability

  • Tuition Reimbursement, Personal Development, Certifications & Learning Opportunities

  • Employee Referral Program

  • Corporate Sponsored Events & Community Outreach

  • Care.com annual membership

  • Employee Assistance Program

  • Supplemental Benefits via Corestream (Critical Care, Hospital Indemnity, Accident Insurance, Legal Assistance and ID theft protection, etc.)

  • Position may be eligible for a discretionary variable incentive bonus

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 app

Apply for this role

Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.

Apply Now →Generate Application Kit

Free account required — sign up in 30s

Company

Guidehouse

View company profile →