Senior Information Systems Security Officer (Clearance Required)

Kroll • Washington, DC

1d • $100,000 - $150,000 • Onsite

About The Position

Kroll is seeking a highly experienced Senior ISSO-S. The ISSO-S is responsible for leading the development, implementation, and oversight of cybersecurity policies and procedures for complex, classified systems. This role ensures compliance with federal regulations and industry standards, manages risk, and supports the system lifecycle from design through decommissioning.

Requirements

• Top Secret/SCI with Active Full Scope Polygraph (no Conditional Clearance Access/CCA status allowed)
• Highly experienced Senior ISSO-S

Responsibilities

• Develop, implement, and maintain security policies, procedures, and protocols.
• Ensure compliance with NIST SP 800-53, RMF, FISMA, JSIG, DAAPM, and other applicable frameworks.
• Lead efforts to achieve and maintain Authority to Operate (ATO).
• Conduct risk assessments and vulnerability scans using tools like ACAS, SCAP, and STIGs.
• Manage POA&Ms and ensure timely mitigation of identified vulnerabilities.
• Oversee configuration management and change control processes.
• Integrate security requirements into the System Development Lifecycle (SDLC).
• Maintain and update System Security Plans (SSPs) and other authorization documentation.
• Register and manage systems in eMASS or equivalent platforms.
• Coordinate cybersecurity incident response and reporting.
• Monitor system logs and network traffic for anomalies.
• Investigate security breaches and recommend corrective actions.
• Serve as a key advisor to system owners and stakeholders.
• Collaborate with ISSMs, ISSEs, PMs, and AOs to ensure security posture is maintained.
• Provide security awareness training and guidance to users.

Benefits

• Comprehensive medical, dental, and vision plans.
• Generous paid time off (PTO), paid company holidays, generous parental and family leave.
• Life insurance, short- and long-term disability coverage, and accident protection.
• Competitive salary structures, performance-based incentives, and merit-based compensation reviews.
• 401(k) plans with company matching.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed