Network Engineer

Location: Springfield, VA (Customer Site)

Travel: Approximately 25%

Clearance: Active TS/SCI

Citizenship: US Citizenship Required

GDIT has an exciting and challenging opportunity for a Network Engineer supporting an Intelligence Community customer’s wide-area (WAN), local-area (LAN), and campus-area (CAN) networks across multiple security domains. In this role, you will support new engineering initiatives, lead efforts around network modernization, and ensure the sustained operation of mission‑critical infrastructure.

Responsibilities

• Coordinate system maintenance, monitoring, and installation activities across diverse WAN/LAN environments and technologies.
• Research, recommend, and implement enterprise network capabilities and enhancements aligned with mission and business objectives.
• Troubleshoot and resolve issues with network media, components, and connectivity.
• Evaluate and monitor network health, performance, and hardware/software effectiveness.
• Develop and maintain technical roadmaps for network capabilities, operations, and technologies.
• Create and execute detailed test plans and documentation for all network configuration changes, upgrades, and additions.
• Support network traffic analysis and bandwidth optimization to meet performance and availability targets.
• Assess and provide recommendations on emerging network and communication technologies.
• Recommend upgrades and changes aligned with industry standards and best practices.
• Adhere to all customer network security policies, procedures, and compliance requirements.
• Represent customer requirements and priorities during technical exchanges with partner agencies.
• Conduct site surveys for new installations and technology refresh initiatives.
• Install, maintain, and troubleshoot satellite communications equipment.
• Create and maintain network architecture diagrams.
• Required Qualifications:
• Active TS/SCI clearance + POLY
• 8+ years of hands-on experience with network and transport technologies, tools, and techniques
• 4+ years supporting large-scale enterprise or global networks in a fast‑paced, diverse environment
• Working knowledge of DoD Architecture Framework and related DoD network architecture guidance
• Experience with Juniper network devices (MX, EX, SRX) and cryptographic devices (KG‑175G/X, KG‑245A/X)
• Proficiency with network analysis tools (HP/Microfocus NA/NNM, Juniper Secure Analytics, Infoblox, Riverbed)
• Experience with Juniper firewall/VPN technologies (SRX series)
• Experience supporting IP services for NIPRNET, SIPRNET, and JWICS (IPv4/IPv6, VPN, Multicast, QoS, SDN, SNMP, VOIP, VTC, etc.)
• Strong understanding of OSPF, BGP, MPLS, RSVP/LDP Layer 2/3 VPNs, VRFs, IKE/IPSec, GRE tunnels, MTU, FTP, and routing policy frameworks
• IAT II certification

Desired Qualifications:

• Master’s degree in Computer Science or related field
• Professional certifications such as JNCIA, JNCIS, JNCIP, CCNP, CCVP, CCNA, or CCDP
• ITIL v3 Foundations
• ISC2 CISSP
• CompTIA Security+

Top Secret SCI + PolygraphSalary and Benefit Information

The likely salary range for this position is $111,155 - $150,385. 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.

View information about benefits and our total rewards program.

About Our Work

We are GDIT. A global technology and professional services company that delivers technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across over 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, cloud, cyber and application development. Together with our customers, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

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Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans