Senior Network Engineer

This is a fully remote position, open to applicants in United States.

📋 Description

• Serve as a Tier 3 subject-matter expert for intricate incidents and service disruptions.

• Conduct alert validation, incident triage, service restoration actions, incident remediation, problem management, root-cause analysis, post-incident reviews, known-error tracking, and corrective-action follow-up.

• Plan and execute approved standard, normal, and emergency changes, including impact assessments, maintenance-window coordination, rollback planning, validation, closure documentation, and follow-up actions.

• Oversee OS, firmware, and infrastructure patching activities within the approved scope.

• Deliver remote break-fix and engineering support for routers, switches, firewalls, load balancers, network access control, Cisco ACI/APIC, WAN edge devices, VPN infrastructure, routing and switching protocols, VLANs, segmentation, QoS, and high-availability pairs or clusters.

• Monitor, analyze, and enhance infrastructure availability and performance utilizing health, capacity, telemetry, configuration, threshold, log, interface, latency, jitter, packet-loss, redundancy, and failover indicators.

• Troubleshoot and manage Cisco SD-WAN controllers, edge devices, overlays, tunnels, internet circuits, Starlink connectivity, and site-to-site or remote-access VPN services.

• Support wireless controllers and access-point infrastructure, encompassing availability, registration, RF utilization, authentication failures, roaming, interference, firmware, backups, security alerts, capacity, and coverage.

• Oversee and manage optical network nodes that support dark-fiber connectivity and coordinate vendor escalation.

• Assist with voice and unified communications platforms, including AudioCodes, Cisco Webex Contact Center, and Microsoft Teams voice/Direct Routing integration.

• Maintain HLD/LLD documentation, diagrams, configuration records and backups, SOPs, runbooks, troubleshooting procedures, IPAM/DNS/DHCP records, inventories, monitoring definitions, change logs, and knowledge-base articles.

• Utilize operational platforms such as LogicMonitor, Cisco Catalyst Center, Cisco ThousandEyes, NetBrain, SolarWinds, Cisco SD-WAN Manager, and the Client’s ITSM platform.

• Provide technical input for regular service reviews addressing infrastructure health, incidents, capacity, performance, lifecycle concerns, risks, documentation, vendor cases, and continuous improvement.

• Communicate with the Client during incidents and escalations, maintain work notes and resolution records, validate restoration, and assist in knowledge transfer.

⛳️ Requirements

• Senior-level experience in supporting large, distributed enterprise or public-sector network environments in a managed-services, NOC, infrastructure operations, or similar operational model.

• Proven advanced troubleshooting skills across routing, switching, firewalls, VPN, wireless, SD-WAN, network segmentation, QoS, high availability, and network performance.

• Hands-on experience with Cisco enterprise networking, including Catalyst, Nexus, ISR/ASR/Catalyst 8000, ACI/APIC, BGP, OSPF, EIGRP, and Spanning Tree.

• Familiarity with Palo Alto, Cisco ASA/Firepower, and Meraki security or SD-WAN platforms.

• Experience with enterprise wireless controllers and access points, RF health indicators, authentication, roaming, interference analysis, capacity, coverage, and firmware lifecycle support.

• Capability to troubleshoot latency, jitter, packet loss, bandwidth saturation, interface errors, adjacency failures, tunnel health, route selection, failover, and cross-provider connectivity conditions.

• Experience in carrier and vendor case management, including evidence collection, coordinated testing, escalation tracking, stakeholder communication, restoration validation, and closure documentation.

• Understanding of voice and UC infrastructure, including SIP, SBCs, gateways, Direct Routing, call setup, signaling, media paths, codec negotiation, call-quality indicators, and carrier trunks.

• Proficiency in using monitoring and management platforms, interpreting telemetry and logs, correlating alarms, identifying actionable conditions, and distinguishing local, overlay, carrier, platform, and application-related causes.

• Working knowledge of ITIL-aligned incident, problem, change, configuration, capacity, knowledge, and vendor-management practices.

• Strong technical writing skills for diagrams, SOPs, runbooks, RCA/PIR documents, change records, knowledge articles, configuration records, and client-facing updates.

• Ability to operate independently in a dedicated client role while effectively collaborating with service-desk, NOC, engineering, service-management, and client teams.

• Willingness to participate in after-hours maintenance, major-incident response, or escalation coverage as required by the 24 x 7 service model.

• Must be eligible to work as a US-based iT1 employee and provide services remotely or locally as necessary.

• Cisco CCNP or higher certification.

• Palo Alto Networks Certified Network Security Administrator (PCNSA) or equivalent firewall certification.

• Cisco Certified Specialist credentials in enterprise core, advanced routing, SD-WAN, wireless, security, or data center technologies.

• Microsoft certification related to Teams voice, collaboration, or communications systems.

• Ability to sit at a computer for 8 hours per day.

• Proficiency in keyboarding for 8 hours per day.

• Near Vision capability (working with small objects or reading small print).

• Effective speaking skills (communicating information to clients and coworkers).

• Hearing requirements include in-person speech, telephone communication, and other sounds.

🏝️ Benefits

• Medical, dental, and vision benefits with highly subsidized premiums.

• Two weeks of paid time off in your first year, with increasing PTO as tenure increases, and most major holidays off.

• 401(k) Plan with employer match.