Network Engineer Senior; Security TS​/SCI

Network Engineer Senior (Security) – TS/SCI required

Transform technology into opportunity as a Network Engineer Senior (Security) pe what’s next for mission‑critical government projects while shaping what’s next for your career.

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. Net Brain, Python, Power Shell, 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
  
  Certifications:
  
  
  • 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

• 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, 401(k) with company match, and competitive pay and paid time off
• Community:
  Award‑winning culture of innovation and a military‑friendly workplace

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans