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# Network Engineer T4 (Lead)

- **Company:** Koniag Services, Inc.
- **Location:** Washington, DC, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Amazon Web Services, Microsoft Azure, Border Gateway Protocol, Cloud Computing, Complex Networks, CompTIA Security+, Enhanced Interior Gateway Routing Protocol, Internetworking, Knowledge Management, Network Security, Network Monitoring, Routing, Open Shortest Path First (OSPF), Zero Trust Network Access, Virtual Local Area Networks, Wide Area Networks, Computer Network Operations, Cloud Platform System, Enterprise Integration, Routing & Switching, Cisco, Servicenow
- **Published:** August 25, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9115594/network-engineer-t4-lead

## About the Role

* Minimum 8-10 years of hands-on enterprise network engineering experience
 * Demonstrated experience in a Federal or private-sector enterprise environment of comparable scale, complexity, and security posture
 * Proven experience leading network engineering operations at enterprise scale, including 24x7 environments
 * Experience with complex network change execution, including integration projects across hybrid on-premises and cloud environments

Technical Expertise:

 * Expert-level proficiency in:
 * Enterprise LAN/WAN architecture and operations
 * Routing protocols (BGP, OSPF, EIGRP)
 * Switching technologies (VLANs, STP, port aggregation)
 * Wireless enterprise networking
 * SD-WAN design and operations
 * Network security fabric and firewall management
 * Strong working knowledge of:
 * AWS and Azure cloud networking
 * Zero Trust Network Architecture
 * Network monitoring and event management tools
 * ITSM platforms (e.g., ServiceNow)

Required Certifications (Must be current and unexpired throughout performance):

 * Cisco Certified Internetwork Expert (CCIE) - Enterprise Infrastructure or Security OR
 * Cisco Certified Network Professional (CCNP) - Enterprise or Security (minimum)
 * Additional preferred certifications:
 * AWS Certified Advanced Networking - Specialty
 * Microsoft Azure Network Engineer Associate (AZ-700)
 * CompTIA Security+ (or equivalent)

## Description

The Network Engineer T4 (Lead) is a key personnel position responsible for providing the highest level of network engineering expertise in support of the CLIENT's enterprise IT environment. This individual serves as the senior escalation point for all network-related issues and leads the design, engineering, integration, and operations of CLIENT's enterprise network infrastructure. The Network Engineer T4 (Lead) works closely with the Contractor Program Manager, NOC/Service Desk Manager, and government stakeholders to ensure a stable, secure, and well-integrated enterprise network., Network Engineering & Operations:

 * Lead Tier 4 network engineering, design, integration, and operations across CLIENT's enterprise environment
 * Manage and optimize LAN/WAN, routing, switching, wireless, SD-WAN, and network security fabric
 * Serve as the senior escalation point for complex, cross-domain network incidents and problems
 * Execute complex network changes and integrations in accordance with ITIL 4 change management practices
 * Support 24x7 NOC operations through on-call availability and documented escalation procedures

Cloud & Hybrid Network Integration:

 * Support integration of on-premises and cloud network infrastructure across AWS commercial, AWS GovCloud, Microsoft Azure Government, and Microsoft 365 environments
 * Lead SD-WAN design and operational support across CLIENT's geographically distributed enterprise environment
 * Collaborate with infrastructure and platform teams to ensure reliable cloud connectivity and performance

Leadership & Knowledge Management:

 * Lead and mentor network engineering team members
 * Maintain and update network documentation, diagrams, and knowledge base articles in the ITSM platform
 * Develop and maintain standard operating procedures for network operations and escalation
 * Support cross-training efforts to ensure coverage continuity across the network engineering team


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