Information System Security Manager — RMF/ATO Lead

MBL Technologies; Virginia (MN); Hybrid; USD 140,000 - 190,000; Full time

Benefits offered by this job

Competitive salary package

Remote work options

401K and benefits

Job summary

MBL Technologies is seeking an experienced Information System Security Manager (ISSM) to provide cybersecurity leadership and RMF guidance for assigned information systems. The ISSM will oversee ATO activities, risk management, and coordination of ISSOs and security personnel.

This hybrid role is based in Crystal City, VA with onsite requirements 3–5 days per week. An active Secret clearance is required to ensure systems remain secure, compliant, and mission-ready.

Qualifications

• Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, Engineering, or related field preferred.
• 8+ years of cybersecurity, information assurance, or information systems security experience.
• Strong knowledge of NIST SP 800-53, RMF processes, ATO lifecycle activities, and DoD cybersecurity requirements.
• Experience leading cybersecurity governance, compliance, and risk management activities.
• Experience supervising ISSOs or coordinating security activities across multiple technical teams.
• Familiarity with vulnerability scanning tools, DISA STIG validation, and cybersecurity compliance workflows.

Responsibilities

• Lead RMF implementation and execution across assigned information systems, programs, or enclaves.
• Direct and support ATO activities, ensuring security documentation is complete and audit-ready.
• Coach and provide guidance to ISSOs and cybersecurity personnel.
• Oversee vulnerability management, risk assessments, POA&M tracking, and remediation prioritization.
• Develop, implement, and enforce cybersecurity policies, procedures, controls, and training requirements.
• Coordinate with officials, system owners, engineers, assessors, and leadership to communicate risk posture.
• Ensure compliance with DoD and federal cybersecurity requirements (RMF, NIST SP 800-53).
• Provide cybersecurity governance throughout the system authorization lifecycle.
• Support continuous monitoring and remediation of weaknesses.
• Communicate risks and compliance status to leadership.

Skills

RMF leadership

ATO coordination

Vulnerability management

Cyber governance

Executive reporting

Team leadership

DoD compliance

Education

Bachelor’s degree in Cybersecurity or related field

Tools

DISA STIG validation

Vulnerability scanning tools

Job description

MBL Technologies is seeking an experienced Information System Security Manager (ISSM) to provide cybersecurity leadership and RMF guidance for assigned information systems. The ISSM will oversee ATO activities, risk management, and coordination of ISSOs and security personnel.

This hybrid role is based in Crystal City, VA with onsite requirements 3–5 days per week. An active Secret clearance is required to ensure systems remain secure, compliant, and mission-ready.