Network Operations Engineer III; Operations Optical and IP Engineer

Network Operations Engineer III - Client Onsite

Work Location:

Denver, CO

Our Tier 3 NOC Engineer is responsible for advanced troubleshooting, fault isolation, incident escalation, and network optimization within a globally distributed backbone network. This role requires deep expertise in network infrastructure, routing, switching, troubleshooting, and operational support. The Tier 3 Engineer serves as the primary escalation point for Tier 2 engineers, taking ownership of complex cases and driving them to resolution.

This position also contributes to process improvements, automation, and monitoring system enhancements to optimize network operations.

• Advanced Network Operations & Troubleshooting:
  Operate and troubleshoot a globally based Data Center network, including routing and switching devices.
• Perform fault isolation and resolution, diagnosing Layer 1-3 network issues.
• Take ownership of escalated cases from other engineers, ensuring a successful resolution.
• Manage and deliver critical events, communicating clearly and concisely with stakeholders.
• Support network circuit and hardware troubleshooting, including patch panels, optics, and cabling.
• Detect and diagnose various error/failure conditions across an array of network device types.
• Provide hands‑on support for network incidents, collaborating with engineering teams when required.
• Provide Tier 3 support for all Backbone Network Repair issues, assisting other team members with advanced troubleshooting.
• Serve as the escalation point-of-contact during business hours, handling troubleshooting, tooling, and process issues.
• Coordinate with DC facilities teams on maintenance activities impacting network infrastructure.
• Own incident response processes, including escalations to higher-level support teams when necessary.
• Rapidly respond to major network incidents, supporting SEV initiation and resolution processes.
• Monitor the respective Back Bone infrastructure ticket queues, ensuring timely and accurate responses to alerts.
• Track and document incident resolution steps, maintaining accurate logs in ticketing systems.
• Proactively identify and resolve network performance issues, optimizing existing configurations.
• Develop and maintain network change documentation, including VLAN, subnet, and DNS modifications.
• Contribute to the creation of monitors, alerts, dashboards, and performance metrics to drive continuous improvements.
• Identify areas for automation to improve efficiency.
• Provide feedback on recurring network issues, refining troubleshooting procedures and SOPs.
• Support network optimization efforts, participating in capacity planning and scaling initiatives.
• Document and optimize operational processes and procedures, ensuring alignment with best practices.
• Follow Return Merchandise Authorization (RMA) processes and coordinate with vendors for hardware replacements.
• Ensure accurate inventory and documentation in collaboration with audit and asset management teams.
• Monitor tickets for adherence to SLAs, ensuring prompt issue resolution.

• Technical
  
  Skills:
  
  Expertise in Data Center networking, including rack installations, routers, switches, VLANs, and routing protocols (BGP, OSPF, MPLS, etc.).
• Strong experience troubleshooting Layer 1-3 network issues in a large-scale production environment.
• Hands‑on experience with network monitoring tools (e.g., Solar Winds, Nagios, PRTG, or similar).
• Advanced knowledge of troubleshooting IP transport/transmission networks and transceivers.
• Experience capturing and analyzing network traffic for troubleshooting.
• Proficiency with ticketing systems (e.g., Service Now, Jira, or equivalent).

• Strong analytical skills, problem-solving mindset, and ability to…