Senior Information System Security Manager - RMF & A&A Lead

Trinzic; El Segundo (CA); On-site; USD 140,000 - 190,000; Full time

Job summary

KBR is seeking an Information System Security Manager (ISSM) to support A&A activities and cybersecurity policy development. Based in El Segundo, CA, you will help obtain and maintain Authorizations to Operate (ATOs) for systems, applications, networks, and devices, reporting to the West Regional ISSM.

You will lead RMF activities, coordinate with technicians, and ensure compliance with NIST/DoD requirements across locations. Spin-off to Trinzic is planned for January 2027.

Qualifications

• Bachelor’s degree in Computer Science, Information Systems, Cybersecurity, or related field.
• Active DoD Top Secret clearance with SCI eligibility.
• Current DoD 8570-compliant certification.
• 5+ years of ISSM/ISSO experience in classified environments.
• Experience supporting RMF authorization and compliance activities.

Responsibilities

• Serve as onsite representative of Information Assurance Operations and provide cybersecurity SME input.
• Conduct risk and vulnerability assessments to identify security risks and protections.
• Lead RMF meetings with government and contractor personnel.
• Support cybersecurity policies, procedures, and process improvements.
• Develop and maintain RMF artifacts: Security Plans, Risk Assessments, POA&Ms.
• Assess compliance with NIST, DoD, and IC security requirements (NIST SP 800-53/171, DISA STIGs).
• Coordinate with admins, engineers, and developers to support authorization efforts.
• Analyze vulnerability scans and assist remediation to reduce risk.
• Provide status updates and reports to leadership.
• Keep abreast of evolving cybersecurity standards and RMF guidance.

Skills

A&A processes

RMF requirements

RMF artifacts

NIST standards

Communication skills

Organizational skills

Problem solving

Education

Bachelor's degree in Computer Science / Information Systems / Cybersecurity

DoD 8570-compliant certification

Active DoD TS clearance with SCI eligibility

Tools

eMASS

ACAS

Xacta

SCAP Compliance Checker

Job description

KBR is seeking an Information System Security Manager (ISSM) to support A&A activities and cybersecurity policy development. Based in El Segundo, CA, you will help obtain and maintain Authorizations to Operate (ATOs) for systems, applications, networks, and devices, reporting to the West Regional ISSM.

You will lead RMF activities, coordinate with technicians, and ensure compliance with NIST/DoD requirements across locations. Spin-off to Trinzic is planned for January 2027.