Senior Information Systems Security Officer (Clearance Required)

Kroll; Washington (District of Columbia); On-site; USD 100,000 - 150,000; Full time

Benefits offered by this job

Healthcare Coverage

PTO and holidays

Life insurance

Job summary

Kroll is seeking a highly experienced Senior ISSO-S to lead security policy development and oversight for complex, classified systems at Fort Meade, MD, ensuring compliance with NIST RMF and related frameworks.

Key responsibilities include risk assessments, ATO management, incident response coordination, and collaboration with ISSMs, ISSEs, PMs, and AOs to maintain an effective security posture.

Qualifications

• Top Secret/SCI clearance with Active Full Scope Polygraph required
• Experience leading cybersecurity policy development for complex classified systems
• Strong knowledge of RMF, NIST SP 800-53, and JSIG is essential

Responsibilities

• Develop, implement, and maintain security policies and procedures.
• Conduct risk assessments and coordinate vulnerability management.
• Maintain SSPs, RMF artifacts, and system authorization documentation.
• Lead Incident Response coordination and monitor security events.
• Collaborate with ISSMs, ISSEs, PMs, AOs to sustain security posture.

Skills

Security governance

Risk assessment

Incident response

Policy development

Stakeholder collaboration

Tools

ACAS

SCAP

STIGs

Job description

• Clearance Required: Top Secret/SCI with Active Full Scope Polygraph (no Conditional Clearance Access/CCA status allowed)
• Location: Fort Meade, MD

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.

• Security Governance & Compliance
  • 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).
• Risk Management & Assessment
  • 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.
• System Lifecycle Support
  • 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.
• Incident Response & Monitoring
  • Coordinate cybersecurity incident response and reporting.
  • Monitor system logs and network traffic for anomalies.
  • Investigate security breaches and recommend corrective actions.
• Collaboration & Leadership
  • 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

• Healthcare Coverage: Comprehensive medical, dental, and vision plans.
• Time Off and Leave Policies: Generous paid time off (PTO), paid company holidays, generous parental and family leave.
• Protective Insurances: Life insurance, short- and long-term disability coverage, and accident protection.
• Compensation and Rewards: Competitive salary structures, performance-based incentives, and merit-based compensation reviews.
• Retirement Plans: 401(k) plans with company matching.

Please note that benefits may vary by region, department and role. We encourage you to speak with your recruiter to learn more about the specific benefits available for your position.

About Kroll

Join the global leader in risk and financial advisory solutions—Kroll. With a nearly century-long legacy, we blend trusted expertise with cutting-edge technology to navigate and redefine industry complexities. As a part of One Team, One Kroll, you'll contribute to a collaborative and empowering environment, propelling your career to new heights. Ready to build, protect, restore and maximize our clients’ value? Your journey begins with Kroll.

We are proud to be an equal opportunity employer and will consider all qualified applicants regardless of gender, gender identity, race, religion, color, nationality, ethnic origin, sexual orientation, marital status, veteran status, age or disability.

The current salary range for this position is $100,000 to $150,000