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Network L3 Engineer

PamTen Inc
  • Portland, OR
    26 days ago

    Job Description

    Role Summary:
    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.
    Key Responsibilities:
    • 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.
    Technical Skills Required
    SD-WAN
    • 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.

    Numbers & Facts

    LocationPortland, OR

    Skills

    • Analysis Skillsunmatched
    • Ansibleunmatched
    • Application Programming Interface (API)unmatched
    • Authenticationunmatched
    • Automationunmatched
    • BGPunmatched
    • Best Practicesunmatched
    • CCIE - Cisco Certified Internetwork Expertunmatched
    • CCNP - Cisco Certified Network Professionalunmatched
    • Change Managementunmatched
    • Cisco Catalyst Switchesunmatched
    • Cisco Network Systemsunmatched
    • Cisco Nexus Switchesunmatched
    • Communication Skillsunmatched
    • Computer Securityunmatched
    • Corrective Actionunmatched
    • Customer Relationsunmatched
    • Disaster Recoveryunmatched
    • EIGRP (Enhanced IGRP)unmatched
    • Firewallsunmatched
    • HSRP (Hot Standby Router Protocol)unmatched
    • IPsec (IP Security)unmatched
    • ITIL (IT Infrastructure Library)unmatched
    • Identify Issuesunmatched
    • Internet Service Providersunmatched
    • Layer 3 Protocolsunmatched
    • Leadershipunmatched
    • Maintain Complianceunmatched
    • Mentoringunmatched
    • Multicastunmatched
    • NAT (Network Address Translation)unmatched
    • Network Designunmatched
    • Network Monitoringunmatched
    • Network Performance/Analysisunmatched
    • Network Routingunmatched
    • Network Switchingunmatched
    • OEM (Original Equipment Manufacturer)unmatched
    • On Site Supportunmatched
    • Open Shortest Path First Protocol (OSPF)unmatched
    • Operations Processesunmatched
    • Performance Tuning/Optimizationunmatched
    • Problem Solving Skillsunmatched
    • Python Programming/Scripting Languageunmatched
    • QoS (Quality of Service)unmatched
    • Radio Frequencyunmatched
    • Regulatory Complianceunmatched
    • Reporting Dashboardsunmatched
    • Root Cause Analysisunmatched
    • SSL-TLS (Secure Socket Layer - Transport Layer Security)unmatched
    • Security Attacksunmatched
    • Security Complianceunmatched
    • Security Policyunmatched
    • Technical Leadershipunmatched
    • Technical Supportunmatched
    • Technical Writingunmatched
    • VPN (Virtual Private Network)unmatched
    • VRRP (Virtual Router Redundancy Protocol)unmatched
    • Wide Area Network (WAN)unmatched
    • Wireless Communicationsunmatched
    • Wireless LANunmatched
    • Wireshark (Ethereal)unmatched

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