Job Details

Information Systems Security Manager (ISSM)
Location: McLean, VA

Clearance: TS/SCI w/ Poly

Position Overview

At JMark, protecting information systems is mission-critical. We are seeking Information Systems Security Managers (ISSMs) across multiple discipline levels to oversee the cybersecurity of classified and sensitive systems. This role ensures compliance with federal regulations, implements robust security controls, and manages risks to maintain the integrity, confidentiality, and availability of mission-essential information systems.

Key Responsibilities

Cybersecurity Oversight & Compliance

• Oversee the cybersecurity posture of information systems, ensuring compliance with CMMC, NIST 800-181, and other federal standards.
• Develop, implement, and monitor security controls to protect system integrity, confidentiality, and availability.

Risk Assessment & Vulnerability Management

• Conduct risk assessments to identify threats, vulnerabilities, and potential impacts.
• Manage vulnerability remediation in coordination with system owners, administrators, and stakeholders.

Policy Enforcement & Reporting

• Enforce compliance with federal cybersecurity policies, regulations, and organizational standards.
• Maintain documentation and prepare reports to support audits, inspections, and system accreditation.

Continuous Monitoring & Incident Response

• Monitor systems for security events and respond to incidents.
• Recommend corrective and preventive actions and ensure secure system configurations.

Success Factors

The ideal candidate will be:

• Cybersecurity-Savvy & Compliance-Oriented - Expert in federal frameworks and regulations.
• Analytical & Risk-Focused - Skilled at identifying vulnerabilities and applying effective mitigations.
• Detail-Oriented & Proactive - Maintains precise documentation and anticipates emerging threats.
• Collaborative & Mission-Driven - Works across teams to align cybersecurity with operational objectives.

Qualifications

Required

• Bachelor's degree in Cybersecurity, Information Technology, or related field.
• 0-15+ years of experience in information systems security, cybersecurity compliance, or ISSM roles (multi-discipline levels available).
• Strong knowledge of NIST standards, RMF (Risk Management Framework), and federal cybersecurity regulations.
• Experience in risk assessment, vulnerability management, and incident response.

Preferred

• Experience supporting ODNI, IC, or DoD information security operations.
• Cybersecurity certifications such as CISSP, CISM, CAP, or Security+.

Why Join JMark?

At JMark, cybersecurity is the backbone of mission assurance. As an Information Systems Security Manager, you will safeguard critical systems, manage cyber risks, and ensure compliance to protect national security operations.

Your expertise. Our mission. One standard: excellence.