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Urgent! Senior Tier 3 Network Engineer (hands-on Cisco wireless) - ON SITE Position in Reynosa - Bydrec, Inc.

Senior Tier 3 Network Engineer (hands on Cisco wireless) ON SITE



Job description

Overview

Senior Tier 3 Network Engineer (hands-on Cisco wireless) - ON SITE at Bydrec, Inc.

This is a 6-month contract-to-hire opportunity with a U.S.-based company.

The role requires 100% on-site presence at one of the preferred locations in Mexico (Mexico City).

Open to candidates based in Mexico.

Responsibilities

  • Serve as Tier 3 escalation point for complex network issues, primarily focused on Cisco wireless (controllers, APs, RF, authentication).

  • Troubleshoot and optimize WLAN/LAN/WAN performance (packet flow, RF interference, roaming, DHCP/DNS/RADIUS).

  • Implement and support Cisco wireless technologies (9800/Catalyst controllers, DNA Center/Prime, ISE/802.1X).

  • Contribute to SD-WAN and firewall device management to reduce dependency on the security team.

  • Deliver project work for enterprise initiatives such as Avail and Project Dolly (site setup, cutovers, stabilization).

  • Create and maintain operational documentation, diagrams, and runbooks for Tier 1/2 support.

  • Collaborate with vendors (Cisco TAC/ePlus) and drive RCA and preventive measures.

  • Participate in an eventual rotating on-call schedule supporting 24x7 operations.

Technical Requirements

Must-Have Skills

  • 7+ years of experience as a Network Engineer with deep Cisco wireless expertise.

  • Advanced troubleshooting of enterprise WLAN (RF fundamentals, roaming, QoS, spectrum analysis).

  • Hands-on experience with Cisco wireless controllers/APs (9800/Catalyst) and management tools (DNA Center/Prime).

  • Strong understanding of AAA/ISE, 802.1X, and certificate-based authentication.

  • Proven background supporting large/global enterprise environments at Tier 3 level.

  • Excellent documentation and cross-functional communication skills.

  • English Level: B2+ (Conversational)

Desired Skills

  • Experience with SD-WAN (Cisco SD-WAN/Viptela or similar).

  • Familiarity with firewall administration (Cisco ASA/FTD/Firepower).

  • Scripting or automation (Python, Ansible) and network observability tools.

Nice-to-Have Skills

  • Cisco certifications such as CCNP Enterprise/Wireless; CCIE preferred but not required.

Employment details

  • Seniority level : Mid-Senior level
  • Employment type : Full-time
  • Job function : Information Technology
  • Industries : Wireless Services, Telecommunications, and Communications Equipment Manufacturing

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Required Skill Profession

Redes Y Sistemas



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