Information Systems Security Officer – Senior Consultant

Responsibilities

• Implement and maintain security controls for assigned information systems in accordance with NIST SP 800-53 and Department of Justice security standards
• Manage the Risk Management Framework (RMF) process, including system categorization, security control selection, implementation, assessment, authorization, and continuous monitoring
• Prepare and maintain System Security Plans (SSPs), Plans of Action and Milestones (POA&Ms), and other security documentation
• Conduct continuous monitoring activities and coordinate security assessments
• Coordinate incident response activities and ensure timely reporting of security incidents
• Review and approve system changes for security impact and conduct security awareness training
• Serve as a technical advisor to system owners on RMF, FISMA compliance, and federal security frameworks

Requirements

• Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field
• Active Top Secret clearance with SCI eligibility
• Minimum of 6 years of experience in cybersecurity
• Minimum of 3 years of experience in ISSO or RMF roles
• Current Security+ certification or equivalent DoD 8570 IAT Level II certification
• Strong understanding of security frameworks such as NIST and RMF SP 800-53 Rev 5

Preferred Qualifications

• Master's Degree in Computer Science, Information Technology, or Cybersecurity
• Certified Information Systems Security Professional (CISSP) certification
• Knowledge of cloud security and FedRAMP
• Experience with security tools such as ACAS/Nessus or Splunk
• Project management experience

Benefits

• Medical, Rx, Dental, and Vision Insurance
• 401(k) Retirement Plan and Health Savings Accounts
• Parental Leave and Adoption Assistance
• Tuition Reimbursement and continuous learning opportunities
• Student Loan PayDown program
• Paid holidays and sick time

About the Company

Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors. We drive efficiency and resilience in the healthcare, financial services, energy, infrastructure, and national security markets.