Network Engineer — Tier 2 Support & NOC Liaison

ProInfoNet; Portland (ME); On-site; USD 90,000 - 130,000; Full time

Job summary

ProInfoNet is seeking a Sales Network Engineer to provide advanced technical support for network operations and act as the link among NOC, Sales Engineering, Sales, customers, carriers, and vendors. You will resolve escalated network issues, assist with service implementations, and develop customer solutions.

This role blends hands-on troubleshooting, network engineering support, implementation planning, and customer-facing technical support, with opportunities to improve processes and

Qualifications

• Strong technical troubleshooting, analytical, and problem-solving skills.
• Clear communication with technical and non-technical stakeholders.
• Strong documentation, organization, and process-improvement skills.

Responsibilities

• Provide Tier 2 troubleshooting and escalation support for network, Internet, transport, circuit, and customer connectivity issues.
• Diagnose routing, switching, VLAN, QoS, bandwidth, and connectivity problems using network configurations, logs, alerts, interface statistics, and performance data.
• Troubleshoot BGP, OSPF, MPLS, SD-WAN, Ethernet, Internet, VPN, and carrier transport services.
• Guide NOC staff during complex or service-impacting incidents and coordinate escalations with carriers, vendors, and engineering resources.
• Support planned network maintenance, upgrades, migrations, customer cutovers, and configuration changes, including post-change validation.
• Assist with router, switch, firewall, SD-WAN, monitoring, and network-service configurations and deployments.
• Support implementation planning, testing, proof-of-concept activities, and evaluations of new network technologies.
• Participate in customer discovery to understand network, bandwidth, resiliency, connectivity, and technical requirements.
• Review proposed solutions for feasibility, supportability, risks, dependencies, equipment needs, and alignment with network capabilities.
• Provide technical input for network designs, proposals, statements of work, bills of materials, quotes, and implementation plans.
• Support customer-facing technical discussions and coordinate the handoff of approved services into implementation and ongoing operations.
• Maintain network diagrams, configurations, circuit information, troubleshooting guides, implementation records, and technical standards.
• Identify opportunities to improve or automate network operations, monitoring, implementation, documentation, and service-delivery processes.
• Participate in post-incident reviews and document root causes, corrective actions, and recommended improvements.

Skills

Troubleshooting skills

Communication

Documentation

Cross-team coordination

Education

Cisco certifications beneficial

Tools

Cisco

Meraki

Versa

LogicMonitor

Job description

ProInfoNet is seeking a Sales Network Engineer to provide advanced technical support for network operations and act as the link among NOC, Sales Engineering, Sales, customers, carriers, and vendors. You will resolve escalated network issues, assist with service implementations, and develop customer solutions.

This role blends hands-on troubleshooting, network engineering support, implementation planning, and customer-facing technical support, with opportunities to improve processes and