> Markdown version of [/jobs/ext/3760244-network-engineer-senior-security-ts-sci-required](https://www.wearedevelopers.com/jobs/ext/3760244-network-engineer-senior-security-ts-sci-required). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Network Engineer Senior (Security) - TS/SCI required

- **Company:** General Dynamics Information Technology
- **Location:** Fort Belvoir, VA, United States (Remote available)
- **Experience:** Expert
- **Salary:** $140,250.0 - $189,750.0
- **Contract:** Permanent contract
- **Skills:** Access Control List, Application Programming Interfaces (APIs), Dynamic Multipoint Virtual Private Networks, Networking Hardware, Virtual Private Networks (VPN), Python (Programming Language), Network Security, Logical Security, Network Architecture, Routing, Packet Analyzer, Windows PowerShell, Systems Development Life Cycle, Ansible, Systems Integration, Tcpdump, Wireshark, Web Applications, Scripting, Computer Networking Systems, Load Balancing, BIG-IP Local Traffic Manager (LTM), Firewalls (Computer Science), Infrastructure Automation Frameworks, Palo Alto Networks, 3-tier Architectures, Firewall Services Module, Terraform, Open Network Automation Platform, Big Ip, Cisco, BIG‑IP Application Security Manager (ASM)
- **Published:** October 15, 2026
- **Apply:** https://www.dice.com/job-detail/2eca8a13-2443-4527-a948-65e66893e774

## About the Role

Network Engineering, Network Infrastructures, Networking Hardware, 10 + years of related experience, * Education: Bachelor's Degree with 12 years of experience or Master's Degree with 10 years of experience

 * Required Skillset:
 + Excellent attention to detail
 + Excellent communications skills and ability to interact with both clients and teammates
 + Experience with 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 in accordance with 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 Level: TS/SCI
 * Required Certification(s):
 + DoD 8570/8140 Computing Environment (CE) Certification as determined by the Program Manager is required prior to support on contract
 + Required Security Environment Certification:
o Cisco Certified Network Professional - Security
o Cisco Certified Network Professional - Enterprise
o Palo Alto Networks Certified Network Security Engineer

 * Location: On Customer Site
 * Additional:
 + Candidates must be willing and able to attain a CI Polygraph for certain positions as determined by the contract
 + Position may require lifting of objects (i.e. IT Hardware), reaching/bending/kneeling (i.e. plug in cables) and other moderately strenuous activity
 + Travel may be required to support the mission, Explore a career in program management at GDIT and you'll find endless opportunities to grow alongside colleagues who share your passion for the mission and delivering results.

#GDITarmy

#GDITrecruiting

#GDITPriority

#GDITINSCOM

## Description

As a Network Engineer Senior (Security), the work you'll do at GDIT will be impactful to the mission of US Army Intelligence and Security Command (INSCOM ). You will play a crucial role in supporting the INSCOM mission.

 * 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 (e.g., Layer 4-7, firewall, Site-to-Site VPN, DMVPN, etc) to resolve problems on the customer information system.
 * Analyze, plan, and implement access control lists (ACL), firewall policies, and other logical security controls in a multi-vendor security stack.
 * Provide expert-level (Tier 3) network security engineering support for INSCOM activities in the National Capital Area.
 * Collaborate with teams of various technical discipline to solve enterprise IT problems from a holistic perspective.
 * Configure load balancing and authentication policies on F5 BIG-IP to support web application hosting.