Cyber Security Engineer - RMF/ATO Specialist

Caci; North Charleston (SC); On-site; USD 78,000 - 164,000; Full time

Job summary

CACI is seeking a skilled Cyber Security Engineer to support the design, implementation, and maintenance of secure systems and networks. You’ll work with development and IT teams to integrate security best practices and ensure compliance with industry standards across the lifecycle.

The role emphasizes RMF, STIGs, vulnerability management, and secure architecture across hardware, software, and networks, with collaboration across cross-functional engineering teams and a focus on delivering

Qualifications

• Bachelor's degree in Cybersecurity, Computer Science, Information Technology, or related field (or relevant experience).
• 5+ years of cybersecurity engineering experience.
• Active Top Secret/SCI clearance to start; US Citizenship required.
• Familiarity with RMF authorization process, ATO, and Continuous Monitoring.

Responsibilities

• Translate RMF categorization results into implementable system security requirements across hardware, software, and networks.
• Develop and maintain security artifacts, diagrams, data flows, and PPSM registrations.
• Analyze vulnerability scan results and assist system administrators in remediation and mitigation.
• Provide A&A support and technical security guidance across RMF lifecycle.
• Support STIG implementation, compliance verification, and audit readiness.
• Embed security into engineering processes, build pipelines, and design reviews.
• Communicate technical risks to both technical and non-technical stakeholders.

Skills

RMF

NIST SP 800-53

Vulnerability assessment

ACAS/Nessus

Documentation

SIEM

Education

Bachelor's degree or equivalent

Tools

Nessus/Tenable

ACAS

Evaluate-STIG

XACTA

Job description

CACI is seeking a skilled Cyber Security Engineer to support the design, implementation, and maintenance of secure systems and networks. You’ll work with development and IT teams to integrate security best practices and ensure compliance with industry standards across the lifecycle.

The role emphasizes RMF, STIGs, vulnerability management, and secure architecture across hardware, software, and networks, with collaboration across cross-functional engineering teams and a focus on delivering