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# Network Engineer 4 - Infrastructure

- **Company:** Tria Federal
- **Location:** Ashburn, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Link Aggregation (Ethernet), Amazon Web Services, Apple IOS, Systems Engineering, Border Gateway Protocol, Cloud Computing, Computer Networks, System Configuration, Data Centers, Data Center Infrastructure Management (CIM), DevOps, Ethernet, Enhanced Interior Gateway Routing Protocol, Ethernet Physical Layer, Identity and Access Management, Issue Tracking Systems, IPv4, Internetworking, Network Security, NetFlow, Network Architecture, Networking Basics, Network Connections, Network Monitoring, Routing, Network Administration, Cisco Nexus Switches, Open Shortest Path First (OSPF), Simple Network Management Protocols, Software Deployment, Traffic Analysis, Wireshark, Virtual Local Area Networks, VLAN Trunking Protocol (VTP), Nx-os, HybridCloud, Amazon Virtual Private Cloud (VPC), NetScout, Information Technology, SolarWinds (Software), Hardware Infrastructure, Cisco Switches, Cisco
- **Published:** July 18, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9039794/network-engineer-4-infrastructure

## About the Role

* Ten (10) years of experience in a large government organization responsible for administering, operating, maintaining, and securing a large-scale internetworking environment, including six years in a technical leadership or supervisory role supporting both on-prem and or emerging AWS cloud networking initiatives
 * Eight (8) years of experience directly supporting a complex infrastructure covering the major aspects of network administration with expertise in troubleshooting IPv4 issues across various protocols and technologies such as OSPF, BGP, EIGRP, static routing, SSH, ACL, VLAN, VTP, STP, SNMP, LACP, vPC, vPort Channels, Wireshark, and TCPdumps with added familiarity in hybrid connectivity to AWS environments
 * Eight (8) years of strong hands-on experience implementing and troubleshooting Cisco switches (i.e., 9300, 5300, 3850, 2960, Nexus 2k, 5k, and 7k series) and validating interoperability with AWS networking components such as VPCs, Direct Connect, and Transit Gateway
 * Five (5) years of experience configuring, administering, and maintaining network IT monitoring and management software such as Netscout nGenius and SolarWinds (i.e., NetFlow traffic analysis, bandwidth monitoring, PerfStack, network performance baselines, Traffic Analyzer, IPAM, and NetPath) including monitoring hybrid on-prem/AWS network paths
 * Three (3) year of experience in data center operations with thorough knowledge of data center hardware specifications, lights-out-management solutions, Ethernet cable crimping, network cable runs and best practices, power requirements, racking, and decommissioning of hardware supporting systems
 * Thorough knowledge of telecommunications, network security issues, and best practices with awareness of AWS security fundamentals such as IAM, security groups, and cloud network segmentation
 * Exceptional customer service orientation, written and oral communication skills with the ability to explain hybrid cloud networking concepts to technical and non-technical stakeholders

Education and/or Certifications

 * Bachelor of Science in an information technology field
 * Preferred technical certifications: CCNP Enterprise, CCNP Data Center, CCIE Enterprise Infrastructure, CCIE Data Center AWS Certified Solutions Architect - Professional, AWS Certified DevOps Engineer - Professional, AWS Certified Advanced Networking - Specialty

Clearance Requirements

 * Must be able to achieve and maintain a Public Trust.

## Description

The Network Engineer 4 establishes and maintains the enterprise infrastructure by updating and tuning the network, directing hardware installations, and executing test procedures to create baselines and performance thresholds. The role identifies and troubleshoots difficult or unusual environment problems using network-monitoring tools and implements solutions to ensure maximum performance. In support of the agency's data-center modernization initiative, the engineer also provides technical expertise for AWS environments, including assisting with the lift-and-shift migration of on-premises network systems to AWS, validating cloud network architectures, and supporting hybrid connectivity., * Senior network engineer who is part of a shift supporting team to install and monitor varies Cisco telecommunication devices and provide engineering and data center management support:

 * Primary work location is in Suitland MD with a shift schedule from 7:30AM - 4:00PM
 * Occasional secondary work location is in Ashburn VA with an eight-hour shift coverage between the hours of 7:00AM - 9:00PM

 * Demonstrates very strong Cisco analytical skills to identify, troubleshoot, and solve network-related business requirements, needs, and ongoing production incidents across on-prem and AWS-connected environments
 * Identifies as an escalated point of contact when working with Cisco telecommunication equipment and hybrid network connectivity supporting AWS workloads
 * Requires technical knowledge to deploy new and troubleshoot existing Ethernet and fiber cable runs, perform data center hardware rack installations, update and maintain rack elevation diagrams, and lead new hardware/software deployments, technical refreshes, and upgrades including systems participating in the AWS lift-and-shift migration
 * Performs NX-OS and IOS patch-management upgrades on all Cisco telecommunication equipment and validates interoperability with AWS networking components such as VPCs, Direct Connect, and Transit Gateway
 * Develops and documents high-level system engineering designs, scope requirements, test cases, standard operating procedures, and implementation plans for both on-prem and AWS-integrated network architectures
 * Ability to present technical proof-of-concepts and demos to coworkers, management staff, and the customer including cloud networking designs and AWS migration approaches
 * Available and flexible for production-incident troubleshooting and provides support for normally scheduled after-hours or weekend maintenance activities for on-prem and AWS-connected systems
 * Provides training and guidance to junior network and data-center engineers on hybrid cloud networking fundamentals and AWS connectivity best practices
 * Manages the priorities of the customer's requests and incidents using a proprietary ticketing system while documenting AWS-related tasks and cloud-migration activities


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