Senior C2C Cybersecurity Engineer

CACI International; Chantilly (VA); On-site; USD 104,000 - 218,000; Full time

Job summary

CACI International in Chantilly, Virginia seeks a Senior Cyber Security Engineer to design, deploy, and sustain Comply-to-Connect (C2C) capabilities across classified and unclassified environments. You will lead deployments, manage appliances and infrastructure, and partner with stakeholders for seamless operation.

The role emphasizes monitoring performance, supporting Assessment & Authorization efforts, and driving improvements to security posture.

Qualifications

• Active TS/SCI with Polygraph is required.
• Bachelor’s degree or 4+ years of experience in place of a degree.
• 5+ years in Information Systems Security or Cyber Engineering.
• Experience with enterprise-scale deployments and data center environments.
• Hands-on with firewalls, IPS, antivirus, and network management systems.
• Strong knowledge of Windows and Linux OS, TCP/IP, 802.1x, and network security basics.
• IAT Level II certification (GSEC, Security+, SSCP, or CCNA‑Security) or ability to obtain within six months.

Responsibilities

• Engineer, design, and implement C2C deployment solutions and manage infrastructure.
• Collaborate with service providers to create and maintain network diagrams.
• Evaluate upgrades to optimize performance and cybersecurity alignment.
• Monitor and troubleshoot C2C performance, identify root causes, implement improvements.
• Coordinate with cross-functional teams and customers for critical information.
• Support A&A efforts, system accreditation, and cybersecurity evaluations.

Skills

Security engineering

Network security

Windows & Linux

TCP/IP networking

IAT II readiness

Education

Bachelor's degree

4+ years of experience in lieu of degree

Tools

Cisco ISE

Nessus

Nmap

tcpdump

Shell scripting

Perl scripting

XML scripting

Job description

CACI International in Chantilly, Virginia seeks a Senior Cyber Security Engineer to design, deploy, and sustain Comply-to-Connect (C2C) capabilities across classified and unclassified environments. You will lead deployments, manage appliances and infrastructure, and partner with stakeholders for seamless operation.

The role emphasizes monitoring performance, supporting Assessment & Authorization efforts, and driving improvements to security posture.