Senior Cyber Security Engineer — DoD RMF & ATO Expert

Leidos Inc; Warner Robins (GA); On-site; USD 108,000 - 195,000; Full time

Job summary

Leidos Inc. is seeking a Senior Cyber Security Engineer to support the Defense Sector at Robins AFB, GA. The role focuses on securing networks and data transfer across CONUS/OCONUS and ensuring RMF compliance for DoD systems.

Candidates must hold TS/SCI clearance and relevant certifications. You will implement security controls, perform assessments, and document actions for ATO readiness while coordinating with ISSMs and program managers.

Qualifications

• Bachelor’s degree in IT, Computer Science, Engineering, or a technical field with 10+ years of relevant experience, or 14 years without a degree.
• Active US Citizenship with Top Secret SCI clearance.
• DoD 8140.03 certs such as Security+, CASP, CISSP.
• Experience designing and implementing security controls and remediating vulnerabilities.
• Strong RMF knowledge.
• Experience with RMF assessments and ATO processes.
• Experience with ACAS, Xacta, and/or eMASS.

Responsibilities

• Provide ISSE support for a secure communications and data transfer network across CONUS/OCONUS.
• Design, install, and test security architectures for new installs and tech refreshes.
• Ensure cybersecurity controls for SECRET-level data between existing and new sites.
• Produce O&M documentation and training.
• Develop Security Assessment Reports and Plans of Action and Milestones.
• Support vulnerability scans and RMF activities.

Skills

Security engineering

RMF knowledge

Cybersecurity

Vulnerability assessment

DoD IA ICD 503

Education

Bachelor's degree in IT/CS/Engineering

Tools

ACAS

Xacta

eMASS

Network security tools

Job description

Leidos Inc. is seeking a Senior Cyber Security Engineer to support the Defense Sector at Robins AFB, GA. The role focuses on securing networks and data transfer across CONUS/OCONUS and ensuring RMF compliance for DoD systems.

Candidates must hold TS/SCI clearance and relevant certifications. You will implement security controls, perform assessments, and document actions for ATO readiness while coordinating with ISSMs and program managers.