> Markdown version of [/jobs/ext/4525308-senior-network-operations-engineer-tier-3](https://www.wearedevelopers.com/jobs/ext/4525308-senior-network-operations-engineer-tier-3). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior Network Operations Engineer - Tier 3

- **Company:** CACI International Inc.
- **Location:** Doral, FL, United States
- **Experience:** Expert
- **Salary:** $90,300.0 - $189,600.0
- **Contract:** Permanent contract
- **Skills:** Border Gateway Protocol, Complex Networks, Information Systems, Computer Networks, Networking Hardware, Local Area Networks, Network Installation Services, Routing, Network Administration, Open Shortest Path First (OSPF), Remote Access Technology, Virtual Local Area Networks, Wide Area Networks, Computer Network Operations, Software Troubleshooting, Juniper, Information Technology, 3-tier Architectures, Cisco
- **Published:** November 2, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-network-operations-engineer-tier-3-doral-fl--0785664c-95ae-44a4-a8e6-0b5d46b9e53d

## About the Role

Network Administration/Management, Network Administration/Management, Information Technology & Information Systems, Sensitive Compartmented Information (SCI), Top Secret Clearance, Willing to Travel, Security Compliance, Wide Area Network (WAN), Continuous Improvement, Local Area Network (LAN), Required:

 * IAT II (Ex: Security+)
 * CCNA
 * Familiar with both CISCO and Juniper network equipment
 * Active TS/SCI with polygraph clearance OR TS/SCI clearance with the ability to obtain a polygraph prior to starting.
 * Education & Experience Requirements:
 * GED & 9 Years Experience
 * Associates & 7 Years Experience
 * Bachelor's & 5 Years Experience
 * Masters & 3 Years Experience

## Description

As a Tier 3 Network Operations Technician, you will serve as a senior technical resource responsible for supporting and maintaining enterprise network infrastructure. You will troubleshoot and resolve issues ranging from end-user connectivity concerns to complex enterprise-wide network incidents. Working closely with the NOC, NetOps Tier 2, and fellow NetOps Tier 3 technicians, you will execute break/fix activities, implement configuration changes, and diagnose routing and switching issues across the network environment. Additionally, you will design, engineer, and deploy network solutions of varying complexity to support customer requirements, enhance operational capabilities, and achieve mission objectives.

More About the Role:

In this role, the Tier 3 Network Operations Technician will:

 * Perform approved network changes, including port configurations, VLAN assignments, ACL implementations, route advertisements, and standards compliance activities.
 * Diagnose, analyze, and resolve complex network issues by identifying root causes and implementing effective solutions.
 * Execute network deployments, installations, upgrades, and technical refresh initiatives across geographically dispersed locations.
 * Work independently and collaboratively within small teams while requiring minimal supervision.
 * Design and implement network solutions, perform maintenance activities, and provide advanced troubleshooting support for production environments.
 * Lead the investigation of complex technical problems, utilizing detailed data collection, analysis, and troubleshooting methodologies to identify and resolve issues.
 * Apply creativity, innovation, and sound technical judgment to achieve customer objectives and operational requirements.
 * Demonstrate advanced knowledge of routing protocols, including OSPF and BGP, with the ability to troubleshoot and resolve protocol-related issues.
 * Demonstrate experience troubleshooting and supporting GRE tunnels, VPN technologies, and VRF implementations within enterprise network environments.
 * Bring experience with and be able to configure and troubleshoot HAIPEs and TACLANEs.