Senior DC Network Engineer

OnStak Inc. is seeking an experienced L3 Network Supervisor to oversee network operations and troubleshooting at a major data center campus in New Albany, Ohio. The ideal candidate will have strong networking expertise, hands-on experience resolving complex production incidents, and the ability to lead technicians, manage escalations, and improve operational performance in a 24/7 environment.

Key Responsibilities:

• Lead troubleshooting and resolution of complex network incidents involving BGP, routing, switching, connectivity, and application communication.
• Diagnose network performance issues, including CRC errors, packet loss, interface errors, and connectivity disruptions.
• Supervise L2 technicians, provide technical guidance, and ensure timely incident resolution.
• Manage incident escalations, identify root causes, and implement corrective and preventive actions.
• Oversee production changes, including risk assessment, implementation, validation, and recovery planning in case of failure.
• Ensure effective shift handovers, incident documentation, and continuity of operations across teams.
• Monitor operational KPIs, including Mean Time to Repair (MTTR) and Mean Time Between Failures (MTBF), to improve service reliability.
• Identify recurring operational issues and implement process improvements to enhance network availability and performance.
• Coordinate with engineering, facilities, and data center operations teams to resolve critical issues.
• Ensure compliance with operational procedures, change management processes, and data center safety standards.

Requirements:

• 5+ years of experience in network operations, network engineering, or data center infrastructure support.
• Strong knowledge of BGP, routing, switching, TCP/IP, VLANs, and network troubleshooting.
• Hands-on experience diagnosing packet loss, CRC errors, interface issues, and network connectivity failures.
• Experience handling L2/L3 escalations and managing critical production incidents.
• Previous experience supervising technicians or leading a network operations team.
• Understanding of incident management, root cause analysis, change management, and shift handover procedures.
• Familiarity with operational metrics, including MTTR and MTBF.
• Strong leadership, communication, decision-making, and problem-solving skills.
• Ability to work effectively in a high-pressure, 24/7 data center environment.

Work Requirements:

Location: New Albany, Ohio, USA.

Work Arrangement: Fully onsite.

Schedule: Must be available for 24/7 rotational shifts, including nights, weekends, and holidays as required.

What We're Looking For?

We are seeking a technically strong and accountable network leader who can take ownership of critical incidents, guide technicians through complex troubleshooting, maintain operational discipline, and continuously improve network reliability and team performance.