Senior ISSO — RMF ATO & Cloud Security Lead

IBM Computing; McLean (VA); On-site; USD 150,000 - 190,000; Full time

Job summary

IBM Consulting in McLean, VA seeks an experienced Information System Security Officer (ISSO) to lead RMF/ATO efforts. You will collaborate with software and system architects to ensure security controls meet DoD/IC requirements and maintain authorization status across the system.

You will manage risk assessments, continuous monitoring, and cross-functional security initiatives, requiring a TS/SCI CI Poly clearance and Security+ certification.

Qualifications

• Experience leading RMF ATO processes from planning to authorization.
• Ability to independently manage high-priority tasks and projects.
• Strong written and verbal communication, and project management skills.
• In-depth knowledge of NIST RMF, SP 800-53 Rev.5, and DoD/IC authorization.
• Active Security+ certification required.
• Experience with risk management, security controls, vulnerability management, and POA&M.
• Must hold TS/SCI CI Poly security clearance on day one.

Responsibilities

• Plan, execute, and maintain system accreditation activities to achieve ATO.
• Serve as primary security lead coordinating with architects and cross-functional teams.
• Develop and manage security documentation and assessment activities.
• Oversee risk management, continuous monitoring, and ensure controls meet compliance.

Skills

RMF/ATO leadership

Self-starter

Independent worker

NIST RMF & SP 800-53 Rev.5

Security+ certification

Risk management & monitoring

TS/SCI CI Poly clearance

Job description

IBM Consulting in McLean, VA seeks an experienced Information System Security Officer (ISSO) to lead RMF/ATO efforts. You will collaborate with software and system architects to ensure security controls meet DoD/IC requirements and maintain authorization status across the system.

You will manage risk assessments, continuous monitoring, and cross-functional security initiatives, requiring a TS/SCI CI Poly clearance and Security+ certification.