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

Excellent opportunity to work with a U.S.-based company. Any candidate based in Mexico is welcome to apply. This is an onsite position at our clients offices in Mexico City.

NOTE: 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 (see below).


About the Company

Bydrec Inc. is a California-based company that connects top Tech talent from Latin America with U.S. companies looking to expand their development teams. Learn more .

Job Description

Were looking for a Tier 3 Network Engineer with strong hands-on Cisco wireless experience to join our team. This role involves handling complex troubleshooting day-to-day operations and project escalations in large/global enterprise environments. The focus will be wireless networking with exposure to SD-WAN and firewall operations as an advantage.

You will work closely with the security team (who manage policy) while owning the hardware configuration and uptime of network platforms. The position includes project worksuch as Avail and Project Dollyand will evolve into a rotating on-call schedule as part of a follow-the-sun support model.

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.