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Network L3 Engineer Portland, OR/Vancouver,WA 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.
The pay range for this role is $ 100,000 - $110,000* per annum including any bonuses or variable pay. Tech Mahindra also offers benefits like medical, vision, dental, life, disability insurance and paid time off (including holidays, parental leave, and sick leave, as required by law). Ask our recruiters for more details on our Benefits package. The exact offer terms will depend on the skill level, educational qualifications, experience and location of the candidate.
