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# Network L3 Engineer

- **Company:** PamTen
- **Location:** Portland, OR, United States
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Border Gateway Protocol, Complex Networks, Disaster Recovery, Enhanced Interior Gateway Routing Protocol, EtherChannel, Hot Standby Router Protocol, Internet Protocol Security (IP SEC), Intrusion Detection and Prevention, Virtual Private Networks (VPN), Internet Service Provider, Python (Programming Language), Network Layer, Multicasting, Network Diagrams, Network Planning and Design, Network Monitoring, Routing, Packet Analyzer, Cisco Nexus Switches, Open Shortest Path First (OSPF), Paessler Router Traffic Grapher, Performance Tuning, Ansible, Wireshark, Virtual Router Redundancy Protocols, Wide Area Networks, WAN Optimization, Wireless Networks, Firewalls (Computer Science), SolarWinds (Software), Palo Alto Networks, Fortinet, Routing & Switching, Firepower, Open Network Automation Platform, Cisco Switches, Cisco, SSL VPN
- **Published:** November 7, 2026
- **Apply:** https://www.thejobnetwork.com/job/72a8e901-e0e1-4ac5-bb9e-f8c66227dee0/network-l-engineer

## About the Role

* Cisco SD-WAN (Viptela), Fortinet Secure SD-WAN, Versa or equivalent.
 * Overlay/Underlay troubleshooting.
 * Policy design and deployment.
 * Application-aware routing.
 * WAN optimisation and performance analysis.

Firewall

 * Fortinet FortiGate (Preferred).
 * Palo Alto, Check Point, Cisco Firepower.
 * Security policy management.
 * VPN (IPSec/SSL VPN) troubleshooting.
 * NAT, Security Zones, Threat Prevention.

Wireless

 * Cisco Wireless LAN Controllers.
 * Cisco Meraki Wireless.
 * Aruba Wireless.
 * RF troubleshooting and wireless performance optimisation.
 * Guest access and authentication troubleshooting.

Routing & Switching

 * Cisco Catalyst/Nexus platforms.
 * Layer 2 & Layer 3 troubleshooting.
 * OSPF, EIGRP, BGP.
 * HSRP, VRRP, STP, EtherChannel.
 * Multicast fundamentals.
 * QoS implementation and troubleshooting.

Additional Skills

 * Network Monitoring Tools (SolarWinds, PRTG, NetBrain, DNAC, Meraki Dashboard).
 * Packet capture and analysis using Wireshark.
 * Network automation exposure using Python, Ansible, APIs.
 * ITIL Incident, Problem, and Change Management processes.
 * Strong customer-facing and stakeholder management skills.

Certifications (Preferred)

 * CCNP Enterprise / CCIE Enterprise.
 * Fortinet NSE 4/5/7 or FCSS.
 * Palo Alto PCNSE.
 * Cisco SD-WAN Specialist.
 * Aruba Certified Professional.

Key Competencies

 * Strong troubleshooting and analytical skills.
 * Ability to handle critical incidents independently.
 * Excellent communication and customer management skills.
 * Experience working in enterprise and multi-site environments.
 * Ability to lead technical discussions and provide strategic recommendations.

## Description

Seeking an experienced Network L3 Engineer to provide onsite support for a large enterprise environment. The resource will act as the highest level of technical escalation for complex network issues across SD-WAN, Firewalls, Wireless, Routing, and Switching infrastructure, while driving incident resolution, problem management, optimisation, and network transformation initiatives., * Provide L3 technical support and serve as the final escalation point for network incidents and outages.

 * Troubleshoot complex issues related to SD-WAN, Firewalls, Wireless, Routing, and Switching technologies.
 * Perform root cause analysis (RCA) and implement permanent corrective actions.
 * Execute network changes, migrations, upgrades, and maintenance activities.
 * Support major incidents and lead technical bridge calls with customer stakeholders.
 * Analyse network performance and implement optimisation recommendations.
 * Review network designs and provide architecture-level inputs.
 * Ensure compliance with security standards, policies, and best practices.
 * Support disaster recovery and business continuity initiatives.
 * Maintain technical documentation, network diagrams, and operational procedures.
 * Coordinate with OEMs, ISPs, and third-party vendors for issue resolution.
 * Provide mentoring and guidance to L1/L2 engineers.