Note: The job is a remote job and is open to candidates in USA. iT1 is hiring a Senior Network Engineer for its Consulting team. The role provides senior-level operational ownership and Tier 3 engineering support for client network and communications infrastructure, including service restoration, complex troubleshooting, approved changes, documentation, and continuous improvement within managed services.
Responsibilities
- Act as a Tier 3 subject-matter escalation point for complex incidents and service degradations
- Perform 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 implement approved standard, normal, and emergency changes with impact assessment, maintenance-window coordination, rollback planning, validation, closure documentation, and follow-up actions
- Coordinate OS, firmware, and infrastructure patching activities within the approved scope, including planning, testing, rollout, validation, and vendor coordination
- Provide remote break-fix and engineering support for routers, LAN and data center switches, firewalls, load balancers, network access control, Cisco ACI/APIC, WAN edge devices, VPN infrastructure, routing protocols, switching protocols, VLANs, segmentation, QoS, and high-availability pairs or clusters
- Monitor, investigate, and improve infrastructure availability and performance using health, capacity, telemetry, configuration, threshold, log, interface, latency, jitter, packet-loss, redundancy, and failover indicators where supported
- 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, including availability, registration, RF utilization indicators, authentication failures, roaming, interference, firmware status, configuration backup, security alerts, capacity, and coverage trends
- Monitor and manage in-scope optical network nodes supporting dark-fiber connectivity, including interfaces, optical levels, span health, hardware alarms, environmental status, protection paths, protection switching, redundancy, utilization, and vendor escalation
- Support voice and unified communications platforms including AudioCodes Routing Manager, One Voice Operations Center, Session Border Controllers, MediaPack gateways, SIP trunks, Cisco Webex Contact Center, and Microsoft Teams voice/Direct Routing integration
- Maintain accurate HLD/LLD documentation, logical and physical diagrams, configuration records and backups, SOPs, runbooks, troubleshooting procedures, IPAM/DNS/DHCP records, inventories, monitoring definitions, change logs, and knowledge-base articles
- Provide technical input for recurring service reviews, including infrastructure health, incident and alert trends, capacity, performance, lifecycle concerns, risks, documentation currency, vendor cases, and continuous-improvement recommendations
- Communicate clearly with the Client during incidents and escalations, maintain complete work notes and resolution records, validate restoration, and support knowledge transfer
Skills
- Senior-level experience supporting large, distributed enterprise or public-sector network environments in a managed-services, NOC, infrastructure operations, or similar operational model
- Demonstrated advanced troubleshooting across routing, switching, firewalls, VPN, wireless, SD-WAN, network segmentation, QoS, high availability, and network performance
- Hands-on expertise with Cisco enterprise networking, including Catalyst, Nexus, ISR/ASR/Catalyst 8000, ACI/APIC, routing protocols such as BGP, OSPF, and EIGRP, and switching protocols such as Spanning Tree
- Experience 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
- Ability to troubleshoot latency, jitter, packet loss, bandwidth saturation, interface errors, adjacency failures, tunnel health, route selection, failover, and cross-provider connectivity conditions
- Experience with carrier and vendor case management, including evidence collection, coordinated testing, escalation tracking, stakeholder communication, restoration validation, and closure documentation
- Familiarity with voice and UC infrastructure, including SIP, SBCs, gateways, Direct Routing, call setup, signaling, media paths, codec negotiation, call-quality indicators, and carrier trunks
- Ability to use monitoring and management platforms, interpret telemetry and logs, correlate alarms, identify actionable conditions, and distinguish 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 work independently in a dedicated client role while collaborating effectively with service-desk, NOC, engineering, service-management, and client teams
- Must be eligible to work as a US-based iT1 employee
- Cisco CCNP or higher
- Palo Alto Networks Certified Network Security Administrator (PCNSA) or comparable 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
Benefits
- Medical, dental, and vision benefits with highly subsidized premiums
- Two weeks paid time off in your first year, with increasing PTO as tenure increases
- Most major holidays off
- 401(k) Plan with employer match
Company Overview