Network Operations Engineer II

About the job

Network Operations Engineer II - Client Onsite
Work Location: Denver, CO

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.

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.

• Key Responsibilities
• 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 Tier 1 engineers, ensuring a successful resolution.
• Manage and escalate 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.

• Incident Response & Escalation Support
• Provide Tier 2 support for all Data Center Network Repair issues, assisting Tier 1 engineers 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.

• Network Monitoring & Optimization
• Monitor the DC network 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.

• Automation & Continuous Improvement
• 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.

• Process & Asset Management
• 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.

• Required Qualifications & Skills
• 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., SolarWinds, 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., ServiceNow, Jira, or equivalent).

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

• Experience & Education
• Bachelor’s degree in Computer Science, Networking, or a related field (or equivalent experience).
• 5+ years of network operations experience, with a focus on Data Center networks.
• Certifications preferred:
• CCNP (Cisco Certified Network Professional)
• JNCIP (Juniper Networks Certified Internet Professional)
• ITIL v4 (for incident and service managemen t)

• Salary Range
• $72,960.00 - $115,200.00 USD (Salary) • Please note that the salary information provided herein is base pay only (gross); it does not include other forms of compensation which may or may not apply to this specific position, namely, performance-based bonuses, benefits-related payments, or other general incentives - none of which are guaranteed, may be subject to specific eligibility requirements, and are wholly within the discretion of Astreya to remit.
• Further, the salary information noted above is a range that consists of a minimum and maximum rate of pay for this specific position. Where an applicant or employee is placed on this range will depend and be contingent on objective, documented work-related considerations like education, experience, certifications, licenses, preferred qualifications, among other factors.

• Astreya offers comprehensive b enefits to all Regular, Full-Time Employees, including:
• Medical provided through UHC (PPO, HSA, Surest options) / Medical provided through Kaiser (HMO option only) for California employees only

• Dental provided through UHC

• Nationwide Vision provided by UHC

• Flexible Spending Account for Health & Dependent Care

• Pre-Tax Account for Commuter Benefit/Parking & Transit (location-specific)

• Continuing Education and Professional Development via various integrated platforms, e.g. Udemy and Coursera

• Corporate Wellness Program provided by Goomi Group

• Employee Assistance Program

• Wellness Days
• 401k Plan

• Basic and Supplemental Life Insurance

• Short Term & Long Term Disability

• Critical Illness, Critical Hospital, and Voluntary Accident Insurance

• Tuition Reimbursement (available 6 months after start date, capped)

• Paid Time Off (accrued and prorated, maximum of 120 hours annually)

• Paid Holidays

• Any other statutory leaves, paid time, or other ancillary benefits required under state and federal law