Network Engineer, TS/SCI with Polygraph

Transform technology into opportunity as a Network Engineer with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll be at the forefront of innovation and play a meaningful part in improving how agencies operate. At GDIT, people are our differentiators.

As a Network Engineer, you will help ensure today is safe and tomorrow is smarter. Our work depends on Network Engineer Expert joining our team to support a geographically dispersed, state-of-the-art system that seamlessly integrate Linux and Microsoft services. Positions will provide engineering support to multiple WAN connected sites, with data flows crossing various controlled interfaces, and will follow specific IT project management and engineering lifecycle processes. A Network Engineer will be responsible for supporting their solutions throughout the IT project lifecycle, to include refining requirements, creating design documentation, creating installation instructions and deployment plans, and providing O&M support. Project assignments will vary based on skill level, and may include engineering geographically dispersed services, integrating services into public, private and hybrid cloud environments, engineering solutions to be deployed via automated CM tools, and hardening the solutions to address security and SCAP compliance.

How a Network Engineer Will Make an Impact:

• Administer, operate, manage and maintain network components for on-premises and cloud-based virtualized systems
• Design, develop, implement, and maintain (LAN, WAN, Wireless) network infrastructure
• Determine network bandwidth needs and recommend measures to meet those requirements
• Design, recommend and implement new solutions to improve the resilience of network operations
• Conduct network modeling and analysis to construct a reliable, high-performance integrated network
• Monitor network performance and troubleshoot problems and outages
• Schedule updates and upgrades
• Collaborate with network architects to optimize system performance
• Engage in data network fault investigations
• Secure network systems with policies that define and monitor access
• Configure DNS servers and appliances

What You'll Need to Succeed:

Education: BA/BS

Required Certification: CompTIA Security+ certification or similar for IAT Level II DoD 8570 certification

Required Experience: 10+ years of related experience

Technical skills:

• Understanding of networking protocols (e.g., IPSEC, HSRP, BGP, OSPF, 802.11, QoS)
• Candidate should be familiar with the following technologies and protocols.
  • Layer 2: Ethernet, ATM, Frame Relay, PPPoE, STP, 802.1q, 802.1x, MPLS, L2VPNs
  • Layer 3: IP, IPv6, LDP, L3VPNs, RSVP, DHCP, IPSEC, PIM, IGMP
  • Layer 4: TCP, UDP
  • Routing Protocols: BGP, OSPF, IS-IS, EIGRP
  • Other: SNMP, RADIUS, TACACS+

• Ability to set up, configure, upgrade, manage, and troubleshoot Cisco and Juniper routers, switches, firewalls, and Riverbed devices
• Experience with various cloud provider environments such as AWS and Azure
• Experience with managing work tasks via tools such as JIRA and ServiceNow
• Previous experience with the following technologies is beneficial but not required:
  • Juniper QFX Series Router
  • Juniper Apstra
  • Forcepoint NextGen Firewall
  • Forcepoint Transfer Guard stack
  • Red Hat Ansible
  • RADIUS Server
  • Aruba Clearpass
  • Dynatrace
  • Azure Sentinel
  • Zscaler

• System configuration based on security guidelines such as DISA STIGs

Security clearance level: TS/SCI w/polygraph.

Location: On Customer site in Chantilly, VA

GDIT is Your Place:

• 401K with company match
• Comprehensive health and wellness packages
• Internal mobility team dedicated to helping you own your career
• Professional growth opportunities including paid education and certifications
• Cutting-edge technology you can learn from
• Rest and recharge with paid vacation and holidays

Work Requirements