Network Engineer Senior (Security) – TS/SCI required
Quick Summary
Skills:Network Engineering, Network Infrastructures,
Clearance Level Must Currently Possess:
Top Secret/SCIClearance Level Must Be Able to Obtain:
Top Secret SCI + PolygraphJob Family:
IT Infrastructure and OperationsRequirements
~1 min readJob 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.
- 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:
- Cisco Certified Network Professional – Security
- Cisco Certified Network Professional – Enterprise
- 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
At GDIT, the mission is our purpose, and our people are at the center of everything we do.
- Growth: AI-powered career tool that identifies career steps and learning opportunities
- Support: An internal mobility team focused on helping you achieve your career goals
- Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
- Community: Award-winning culture of innovation and a military-friendly workplace
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
#I2TS4
The likely salary range for this position is $140,250 - $189,750. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:
40Work Location:
USA VA Fort BelvoirAdditional Work Locations:
Location & Eligibility
Listing Details
- First seen
- September 30, 2026
- Last seen
- September 30, 2026
Posting Health
- Days active
- 0
- Repost count
- 0
- Trust Level
- 56%
- Scored at
- September 30, 2026
Signal breakdown
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