🚀 Network Engineer L3

Hiring now — limited positions available!

TechDigital Group

💰 Earn $125.000 – $150.000 / year
  • 📍 Location: Sunnyvale
  • 📅 Posted: Oct 30, 2025
Role Summary:
  1. Network lead Engineer with hands-on experience in support, operation, configurations and administration of LAN, WAN, Wireless and Security concepts.
  2. Understanding and performing tasks related to implementation, configuration of routers, switches, security and wireless devices.
  3. Analyze all aspects of the existing infrastructure and recommend modifications that will enhance system reliability, availability, serviceability and scalability.
  4. Work with teammates, clients and other teams to identify and address critical problems.
  5. Work on bug tickets for providing the permanent fix for the incidents which are repetitive.
  6. Demonstrate ownership and responsibility in all assignments.
  7. Enough expertise to identify and recommend changes/improvements to the process and infrastructure design.
  8. Provide L3 level support for the incidents.
  9. Build knowledge base documents to support troubleshooting complex issues.
  10. Knowledge of standard system tools with the ability to automate complex system tasks through scripting, possibly Python scripting.
  11. Demonstrate adaptability and flexibility in work to suit business requirements.

Technical / Professional Qualifications:
  1. Subject matter expert in multivendor enterprise Datacenter and Remote Network.
  2. Must have experience on the following networking technologies:
  3. Cisco Nexus 9k, 7k, 5k, Catalyst switches.
  4. Cisco Routers ASR, ISR, Cisco Meraki and WAN optimization products.
  5. Aruba Wireless Controllers, Access points and Airwave.
  6. Building heatmaps based on provided maps/layouts.
  7. Hands-on experience with various technologies such as routing protocols and technologies like BGP, OSPF, IP SLA, PBR.
  8. Switching technologies like RSTP, LACP, VPC, VSS, FEX and Nexus 1000v.
  9. Working experience in administering multiple Datacenters remotely.
  10. Sound administrative experience on firewalls like Juniper SRX, NSX and Palo Alto.
  11. Cisco Client for NAC and identity management and Radius and TACACS server.
  12. Good understanding of ITIL based processes, handling and leading any P1 and P2 incident and complex changes within stringent SLA.
  13. Good troubleshooting skills in analyzing and isolating issues related to LAN, WAN, Wireless, Firewall, VPN.
  14. A good team player who can assist other team members in achieving team goals and can assist other tracks in speedy resolution of incidents and problems.
  15. Strong experience with troubleshooting using protocol analyzers, with a complete understanding of Layer 2 switching and Layer 3 routing concepts.
  16. Ability to maintain network performance and capacity issues and advise customers on various service improvement plans.
  17. Knowledge of network documentation including network diagrams, configuration templates, SOP, technical presentations, capacity and uptime reports as required.
  18. Good exposure to network monitoring, configuration, traffic analysis, network discovery and management tools.

Core Competencies, Knowledge and Experience:
  1. Extensive hands-on technical skills to cover installation, configuration, administration and advanced troubleshooting.
  2. Experience of working on ticketing systems (SNOW), understanding the ITIL framework.
  3. Experience in representation in Change Advisory Board (CAB) meetings.
  4. Ability to highlight issues and solutions.
  5. Experience of handling alerts from Pager Duty and Moogsoft tools.
  6. Experience in creating/managing DHCP scopes via Bluecat.
  7. Strong verbal and written communication skills.
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