Network Operations Engineer

Job Description

Network Operations Engineer II - Client Onsite

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Work Location: Denver, CO

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Our Tier 2 NOC Engineer is responsible for advanced troubleshooting, fault isolation, incident escalation, and network optimization within a globally distributed data center network. This role requires deep expertise in network infrastructure, routing, switching, troubleshooting, and operational support.

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The Tier 2 Engineer serves as the primary escalation point for Tier 1 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.

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Key Responsibilities

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Advanced Network Operations & Troubleshooting

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• Operate and troubleshoot a globally based Data Center network, including routing and switching devices.
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• Perform fault isolation and resolution, diagnosing Layer 1–3 network issues.
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• Take ownership of escalated cases from Tier 1 engineers, ensuring a successful resolution.
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• Manage and escalate critical events, communicating clearly and concisely with stakeholders.
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• Support network circuit and hardware troubleshooting, including patch panels, optics, and cabling.
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• Detect and diagnose various error/failure conditions across an array of network device types.
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• Provide hands-on support for network incidents, collaborating with engineering teams when required.
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Incident Response & Escalation Support

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• Provide Tier 2 support for all Data Center Network Repair issues, assisting Tier 1 engineers with advanced troubleshooting.
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• Serve as the escalation point-of-contact during business hours, handling troubleshooting, tooling, and process issues.
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• Coordinate with DC facilities teams on maintenance activities impacting network infrastructure.
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• Own incident response processes, including escalations to higher-level support teams when necessary.
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• Rapidly respond to major network incidents, supporting SEV initiation and resolution processes.
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Network Monitoring & Optimization

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• Monitor the DC network infrastructure ticket queues, ensuring timely and accurate responses to alerts.
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• Track and document incident resolution steps, maintaining accurate logs in ticketing systems.
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• Proactively identify and resolve network performance issues, optimizing existing configurations.
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• Develop and maintain network change documentation, including VLAN, subnet, and DNS modifications.
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Automation & Continuous Improvement

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• Contribute to the creation of monitors, alerts, dashboards, and performance metrics to drive continuous improvements.
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• Identify areas for automation to improve efficiency.
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• Provide feedback on recurring network issues, refining troubleshooting procedures and SOPs.
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• Support network optimization efforts, participating in capacity planning and scaling initiatives.
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Process & Asset Management

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• Document and optimize operational processes and procedures, ensuring alignment with best practices.
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• Follow Return Merchandise Authorization (RMA) processes and coordinate with vendors for hardware replacements.
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• Ensure accurate inventory and documentation in collaboration with audit and asset management teams.
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• Monitor tickets for adherence to SLAs, ensuring prompt issue resolution.
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Required Qualifications & Skills

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Technical Skills

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

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• Strong analytical skills, problem-solving mindset, and ability to work autonomously.
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• Excellent communication and documentation skills for incident tracking and resolution.
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• Proven ability to work in a fast-paced, mission-critical environment.
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• Strong sense of ownership, urgency, and drive in troubleshooting and resolving network issues.
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Experience & Education

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• Bachelor’s degree in Computer Science, Networking, or a related field (or equivalent experience).
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• 5+ years of network operations experience, with a focus on IP and or Optical networks. Work experience can be substituted for a degree.
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• Certifications preferred:
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• CCNP (Cisco Certified Network Professional)
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• JNCIP (Juniper Networks Certified Internet Professional)
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• ITIL v4 (for incident and service management)
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