Network Operations Engineer II

Network Operations Engineer II - Client OnsiteWork Location: Denver, COWorking Hours:

• Monday - Friday
• 9:00am - 5:00pm

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 ResponsibilitiesAdvanced 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 Tier 3 and 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 and develop scripting solutions (Python, C, C++ preferred) 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 & SkillsTechnical 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).

• Familiarity with network automation and scripting (Python, C, C++ preferred).

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 management)

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 benefits to all Regular, Full-Time Employees, including:

• Medical provided through Cigna (PPO, HSA, EPO options) / Medical provided through Kaiser (HMO option only) for California employees only

• Dental provided through Cigna (DPPO & DHMO options)

• Nationwide Vision provided through VSP

• 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

• Employee Assistance Program

• Wellness Days

• 401k Plan

• Basic Life, Accidental Life, 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 fringe benefits required under state and federal law