Senior Network Engineer - Security, TS/SCI, On-Site

General Dynamics Information Technology; Fort Belvoir (VA); On-site; USD 140,000 - 190,000; Full time

Job summary

General Dynamics Information Technology is seeking a Network Engineer Senior (Security) to support INSCOM missions on customer site in the National Capital Area. The role requires TS/SCI, multi-vendor security appliance experience, and strong automation/Hardening skills for enterprise networks.

The ideal candidate will install, configure, and maintain security stacks, troubleshoot protocols, and implement ACLs and firewall policies across a global enterprise.

Qualifications

• Bachelor's Degree with 12 years of experience or Master's Degree with 10 years of experience.
• Experience configuring, integrating, and troubleshooting security appliances in a multi-vendor federal enterprise environment.
• Experience with the behavior of routing protocols in Next Generation Firewalls.
• Experience with Network Automation tools, scripting languages, or Infrastructure as Code tools (e.g. NetBrain, Python, PowerShell, APIs, Terraform, Ansible).
• Intermediate knowledge of F5 BIG-IP deployment and configuration with Local Traffic Manager and Application Security Manager.
• Hardening network devices per STIGS/NIST and industry best practices.
• Experience with packet analysis tools such as TCPDump and Wireshark.
• Experience working in a large SDLC environment.
• Security Clearance TS/SCI.
• DoD 8570/8140 CE certification as determined by PM.
• Certifications: Cisco CCNP Security, Cisco CCNP Enterprise, Palo Alto Networks CNSE.

Responsibilities

• Install, configure, and maintain customer network infrastructure and security stack as part of a global enterprise.
• Troubleshoot networking and security protocols/technologies including switching, routing, and security (Layer 4-7, firewall, Site-to-Site VPN, DMVPN) to resolve problems.
• Analyze, plan, and implement ACLs, firewall policies, and other security controls in a multi-vendor stack.
• Provide expert-level (Tier 3) network security engineering support for INSCOM activities in the National Capital Area.
• Collaborate with teams of various technical disciplines to solve enterprise IT problems holistically.
• Configure load balancing and authentication policies on F5 BIG-IP to support web application hosting.

Skills

Attention to detail

Communication skills

Security appliances configuration

Routing protocols (Next Gen Firewalls)

Network Automation tools

Python

PowerShell

APIs

Terraform

Ansible

F5 BIG-IP

STIGS/NIST hardening

TCPDump/Wireshark

SDLC experience

Education

Bachelor's Degree with 12 years of experience

Master's Degree with 10 years of experience

Tools

NetBrain

Python

PowerShell

APIs

Terraform

Ansible

F5 BIG-IP

Job description

General Dynamics Information Technology is seeking a Network Engineer Senior (Security) to support INSCOM missions on customer site in the National Capital Area. The role requires TS/SCI, multi-vendor security appliance experience, and strong automation/Hardening skills for enterprise networks.

The ideal candidate will install, configure, and maintain security stacks, troubleshoot protocols, and implement ACLs and firewall policies across a global enterprise.