Senior ISSE: RMF & Cloud Security Lead

CACI International; Chantilly (VA); On-site; USD 121,000 - 266,000; Full time

Job summary

CACI International is seeking a Sr. Staff Information Systems Security Engineer (ISSE) to serve as the security authority for mission-critical systems.

You will integrate security into the Software Development Life Cycle and collaborate with developers, systems engineers, and government stakeholders to maintain the RMF lifecycle and ATO for cloud and on-prem environments. You will lead RMF/ATO activities, supervise security design reviews, assess risks, and ensure continuous monitoring across

Qualifications

• Bachelor’s degree or higher in a relevant field.
• 10+ years of progressive cybersecurity/IA experience.
• Active TS/SCI with Polygraph clearance.

Responsibilities

• Lead end-to-end RMF process and manage NIST 800-53/171 controls.
• Provide security oversight for cloud platforms (AWS/Azure).
• Conduct vulnerability assessments, manage POA&Ms, and drive risk reduction.
• Brief senior stakeholders on complex cybersecurity risks and compliance.

Skills

RMF & ATO Management

Security engineering

Cloud security oversight

Vulnerability assessment

Disaster recovery planning

Education

Bachelor’s Degree in Computer Science or related field

Tools

Nessus

Splunk

Anchore

Xacta

SNOW

Job description

CACI International is seeking a Sr. Staff Information Systems Security Engineer (ISSE) to serve as the security authority for mission-critical systems.

You will integrate security into the Software Development Life Cycle and collaborate with developers, systems engineers, and government stakeholders to maintain the RMF lifecycle and ATO for cloud and on-prem environments. You will lead RMF/ATO activities, supervise security design reviews, assess risks, and ensure continuous monitoring across