Position: Network Infrastructure Engineer

Location: Reynosa, Tamaulipas on-site

Duration: temporary (project)

Job Description:

We are seeking a highly skilled Network Infrastructure Engineer to support a large-scale upgrade of the networking infrastructure across six interconnected buildings. The project involves replacing Cisco routers and switches with Arista hardware and migrating routing protocols from EIGRP to OSPF. The environment is production-critical and operates 24x7, requiring meticulous planning and execution to ensure minimal downtime.

Requirements:

• Engineering in computer systems or similar
• Minimum 8 years of hands-on experience in enterprise networking
• Prior involvement in large-scale infrastructure upgrades
• Experience working in production-critical environments (e.g., manufacturing, logistics, healthcare
• Certifications
• Cisco Certified Network Professional (CCNP) – mandatory
• Arista Certified Engineering Associate (ACE-A) or higher – preferred
• Additional certifications in network design or data center infrastructure are a plus.
• Networking Expertise
• Deep hands-on experience with Cisco and Arista switches and routers
• Strong understanding of routing protocols, especially:
• EIGRP (for legacy understanding)
• OSPF (for migration and optimization)
• Experience with Layer 2 and Layer 3 switching
• Familiarity with network redundancy, failover strategies, and high availability configurations
• Infrastructure Setup
• Experience in rack setup, structured cabling, and patch panel integration
• Knowledge of data center standards and best practices for cable management
• Migration & Downtime Management
• Proven experience in network migrations with minimal or zero downtime
• Ability to work during weekends or off-hours to accommodate 24x7 operational environments
• Preferred Qualifications:
• Arista Certified Engineering Associate (ACE-A) or higher
• Experience in production-critical environments (e.g., manufacturing, logistics)
• Knowledge of ITIL change management processes
• Strong communication and documentation skills
• Work Conditions:
• Must be available to work weekends and off-hours
• On-site presence may be required depending on project phase
• Ability to lift and install networking equipment in racks
• Advanced English (conversational)

Responsibilities:

• Lead the migration from Cisco to Arista networking equipment across multiple sites
• Design and implement OSPF routing to replace existing EIGRP configurations
• Configure and deploy Layer 2 and Layer 3 switches and routers
• Set up network racks, including cabling between switches and patch panels
• Collaborate with stakeholders to plan and execute changes during weekends or off-hours
• Conduct pre- and post-migration testing to ensure network stability and performance
• Document network configurations, migration plans, and rollback procedures
• Provide technical support and troubleshooting during and after the migration