Network Engineer

About Persistent:

We are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what’s next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world, including 20 Fortune 50 companies and 4 of the 5 top banks in both the US and India, and numerous innovators across the healthcare ecosystem.

Our disruptor’s mindset, commitment to client success, and agility to thrive in the dynamic environment have enabled us to sustain our growth momentum. Persistent has been recognized across top industry platforms for innovation, leadership, and inclusion. We have delivered 24 sequential quarters of growth with $436.5M in Q4 FY26 revenue, up 17.4% Y-o-Y growth.

Our 26,500+ global team members, located in 18 countries, have been instrumental in helping the market leaders transform their industries. We won the 2025 ISG Star of Excellence™ Award for AI and Data Excellence and were named a Leader in the Everest Group Talent Readiness for Next-generation Data, Analytics and AI Services PEAK Matrix® Assessment 2025.

Role: Network Engineer

Location: Mexico

Experience: Strong hands-on enterprise networking experience in complex, multi-site environments

Job Type: Full time

Mandatory 3 Skills: Enterprise Network Troubleshooting | Cisco and Meraki | Routing and SD-WAN

About Position The Network Engineer is responsible for supporting and enhancing a complex enterprise, multi-site network environment. The role requires strong hands-on troubleshooting experience across LAN, WAN, routing, wireless, firewalls, network authentication, DHCP, DNS, and connectivity services. The engineer will also support network refreshes, migrations, upgrades, new-site deployments, and operational improvement initiatives while coordinating with internal teams, ISPs, carriers, and vendor support organizations such as Cisco TAC.

What You'll Do

• Troubleshoot and resolve complex LAN, WAN, routing, network authentication, wireless, firewall, DHCP, DNS, and connectivity issues.
• Own technical issues through root-cause identification and resolution, including engagement with ISPs, carriers, equipment vendors, and TAC.
• Configure, stage, onboard, deploy, maintain, recover, and replace enterprise network devices.
• Install and integrate switches into existing switch stacks, including stack-member configuration, renumbering, priority management, software synchronization, and configuration validation.
• Perform password and administrative-access recovery on switches, routers, and firewalls.
• Perform network-device software and firmware upgrades, configuration backups, hardware replacements, and RMA activities.
• Configure and troubleshoot Cisco and Meraki switching and wireless infrastructure.
• Support Cisco ISE authentication, 802.1X, access controls, and network policies.
• Administer and troubleshoot Infoblox DHCP and DNS services.
• Configure and troubleshoot BGP and static routing.
• Support enterprise WAN technologies, including MPLS, SD-WAN, and Aruba SD-WAN.
• Troubleshoot enterprise Wi-Fi issues involving 802.1X authentication, roaming, RF performance, interference, and coverage.
• Configure and troubleshoot ACLs, DHCP, DNS, and enterprise firewall technologies such as Palo Alto.
• Support Zscaler Internet Access and Zscaler Private Access environments.
• Participate in network refreshes, migrations, technology upgrades, and new-site deployments.
• Develop implementation, validation, rollback, and change plans for network changes.
• Follow established change-management and operational-governance processes.
• Maintain accurate network configurations, diagrams, implementation records, and technical documentation.

Expertise You'll Bring

• Strong hands-on enterprise networking experience in a complex, multi-site environment.
• Demonstrated ability to independently troubleshoot network issues from initial diagnosis through root cause and resolution.
• Hands-on experience with Cisco and Meraki switching and wireless technologies.
• Experience deploying, configuring, maintaining, recovering, upgrading, and replacing switches, routers, wireless infrastructure, and firewalls.
• Strong working knowledge of BGP, static routing, MPLS, SD-WAN, 802.1X, ACLs, DHCP, and DNS.
• Strong enterprise Wi-Fi troubleshooting skills covering authentication, roaming, RF performance, interference, coverage, and connectivity.
• Experience with Cisco ISE for network authentication, 802.1X, policy enforcement, and access control.
• Hands-on experience administering and troubleshooting Infoblox DHCP and DNS services.
• Experience with Palo Alto or a comparable enterprise firewall platform.
• Experience supporting Zscaler ZIA and ZPA, including connectivity and access troubleshooting.
• Experience working directly with carriers, ISPs, equipment vendors, and TAC support teams.
• Proven experience delivering network refreshes, migrations, upgrades, and new-site deployment projects.
• Ability to develop implementation, validation, rollback, and change-management plans.
• Ability to participate in planned maintenance and change windows.
• Understanding of Microsoft Azure, AWS, and hybrid or on-premises network connectivity.
• Aruba SD-WAN experience is preferred.
• Relevant certifications such as CCNA, CCNP Enterprise, Palo Alto PCNSE, Aruba certifications, or equivalent practical experience are preferred.

Success Measures

• Independently diagnoses and resolves complex enterprise-network issues involving connectivity, routing, authentication, wireless, firewalls, DHCP, and DNS.
• Successfully deploys, upgrades, replaces, and maintains network devices across multiple enterprise locations.
• Maintains reliable Cisco and Meraki switching and wireless environments.
• Supports secure network access through Cisco ISE, 802.1X, ACLs, enterprise firewalls, Zscaler ZIA, and Zscaler ZPA.
• Delivers network refreshes, migrations, upgrades, and new-site deployments with effective implementation, validation, and rollback planning.
• Maintains accurate network documentation, device configurations, diagrams, implementation records, and change-control documentation.
• Coordinates effectively with internal teams, ISPs, carriers, and vendor support teams to drive issues through resolution.

Benefits:

• 30 days Christmas bonus (Aguinaldo)
• 13% Saving fund, capped to the law limit.
• 12% Grocery coupons, capped to the law limit.
• 12 vacation days first year + 6 floating days – number of vacation days increase according to seniority.
• Annual performance evaluation with rewards and recognitions.
• Up to USD 200 pre-approved annually for certifications relevant to the employee’s role.
• Free courses available at internal platforms.
• Major medical insurance (Spouse and children Included)
• Minor medical insurance (Spouse and children Included)
• Dental Insurance (Spouse and children Included)
• Visual Insurance (Spouse and children Included)
• Life insurance.
• Preferential price on car insurance (car fleet).

Our company fosters a values-driven and people-centric work environment that enables our employees to:

• Accelerate growth, both professionally and personally
• Impact the world in powerful, positive ways, using the latest technologies
• Enjoy collaborative innovation, with diversity and work-life wellbeing at the core
• Unlock global opportunities to work and learn with the industry’s best

Let’s unleash your full potential at Persistent

“Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.”