Network Engineer

EY; Ernakulam; On-site; INR 900,000 - 1,300,000; Full time

Job summary

EY is seeking a network specialist to support Versa SD-WAN and Cisco WAN environments in a global context. The role focuses on vulnerability remediation, firmware upgrades, and lifecycle management for WAN infrastructure, including Versa Director and Analytics. Strong troubleshooting, change management, and collaboration skills are essential.

Responsibilities include validation, CAB participation, maintenance window changes, and incident resolution across multiple time zones.

Qualifications

• Knowledge of Versa SD-WAN including Versa Director and Analytics.
• Hands-on Cisco routing and switching for WAN connectivity.
• Understanding of BGP/OSPF, IP addressing, route selection, VPNs, QoS and WAN failover.
• Ability to troubleshoot WAN links, ISP circuits and SD-WAN fabric health.
• Experience with firmware upgrades, remediation, and lifecycle activities.
• Strong documentation, logs analysis, and monitoring data interpretation.
• Familiarity with Change, Incident, Problem, Risk, and Release Management practices.
• Ability to follow procedures, validate changes, and escalate issues as needed.
• Documentation and stakeholder communication skills.
• Knowledge of monitoring, analytics, and automation platforms.
• Basic scripting or automation using APIs, Python or Ansible is desirable.

Responsibilities

• Support vulnerability remediation across Versa SD-WAN and Cisco WAN platforms.
• Execute approved software and firmware upgrades on Cisco and Versa devices.
• Review remediation actions from advisories and EOS/EOL notices.
• Maintain software lifecycle and platform currency for WAN infrastructure.
• Perform pre-upgrade validation, configuration reviews, and health checks.
• Prepare and maintain implementation procedures and rollback steps.
• Participate in CAB and support change reviews.
• Execute remediation activities and network changes within maintenance windows.
• Troubleshoot Versa SD-WAN overlays, underlay, routing protocols, and VPNs.
• Diagnose BGP, OSPF, route policies and WAN failover issues.
• Support cloud connectivity and data center interconnects.
• Coordinate with vendors and service providers to restore service.
• Participate in outage calls and incident recovery, root cause analysis.

Skills

Versa SD-WAN

Cisco routing

BGP

OSPF

WAN failover

Troubleshooting

Change/Release Mgmt

Documentation

Observability/Monitoring

Automation basics

APIs/Python/Ansible

Cross-functional coordination

Tools

Versa Director

Versa Analytics

Job description

Must Have: Versa SD-WAN

Job Description

• Support vulnerability remediation activities across Versa SD-WAN, Cisco routing and switching, and WAN connectivity platforms.
• Execute approved software and firmware upgrades on Cisco ISR and ASR routers, Catalyst platforms supporting WAN connectivity, Versa SD-WAN controllers, branch edge devices, and supporting infrastructure.
• Review and implement assigned remediation actions arising from vendor security advisories, software recommendations, defects, and EOS/EOL notices.
• Support software lifecycle management and platform currency for Cisco routing and switching platforms and Versa SD-WAN infrastructure.
• Perform pre-upgrade validation, compatibility checks, configuration reviews, software image verification, post-upgrade validation, and health checks.
• Prepare and maintain implementation procedures, rollback steps, validation plans, technical assessments, change tasks, and deployment records.
• Participate in CAB preparation and support Senior Engineers during technical change reviews when required.
• Execute approved remediation activities, platform upgrades, configuration updates, and network changes within planned maintenance windows.
• Troubleshoot Versa SD-WAN overlays, underlay connectivity, routing protocols, enterprise routing infrastructure, and WAN link issues.
• Diagnose and resolve issues involving BGP, OSPF, route policies, WAN failover, VPN connectivity, QoS, traffic steering, and application forwarding policies.
• Support troubleshooting of ISP circuits, branch connectivity, SD-WAN fabric health, cloud connectivity, and data center interconnects.
• Work with vendors, carriers, service providers, and internal teams to restore service and resolve technical issues.
• Participate in outage calls, incident recovery, impact assessment, issue investigation, root cause analysis, and resolution validation.
• Support Problem Management by providing technical analysis, logs, command outputs, trends, and troubleshooting evidence.
• Support remediation waves, upgrade deployments, technology refreshes, and WAN modernization initiatives.
• Participate in testing, implementation, stabilization, and post-deployment validation activities.
• Maintain operational runbooks, remediation documentation, software compliance records, upgrade history, and implementation outcomes.
• Provide accurate progress updates and promptly escalates technical risks, blockers, failed validations, and dependencies.
• Identify opportunities for automation, standardization, compliance validation, monitoring, and operational improvement.

Knowledge & Competencies Required:

• Working knowledge of Versa SD-WAN, including Versa Director and Analytics, overlays, underlay connectivity, traffic steering, and branch edge operations.
• Hands-on knowledge of Cisco routing technologies, including ISR and ASR platforms, and switching platforms supporting WAN connectivity.
• Understanding of BGP, OSPF, IP addressing, route selection, redundancy, VPN services, QoS, and WAN failover.
• Ability to troubleshoot WAN links, ISP circuits, branch connectivity, SD-WAN fabric health, cloud connectivity, and data center interconnects.
• Experience supporting network firmware upgrades, vulnerability remediation, configuration changes, and lifecycle activities.
• Strong troubleshooting discipline, including collection and interpretation of logs, command outputs, alerts, and monitoring data.
• Working knowledge of Change, Incident, Problem, Risk, and Release Management practices.
• Ability to follow implementation procedures, complete validation accurately, and elevate unexpected conditions appropriately.
• Good technical documentation, communication, collaboration, and stakeholder coordination skills.
• Knowledge of network monitoring, observability, analytics, and automation platforms.
• Basic scripting or automation knowledge using APIs, Python, Ansible, or related tools is desirable.
• Strong ownership, attention to detail, compliance focus, and continuous improvement mindset.
• Willingness to work in a global support model, including rotational shifts and support across multiple time zones.
• Flexibility to support maintenance, deployments, upgrades, remediation, and incident recovery outside regular business hours when required.
• Ready to travel when required and collaborate with globally distributed teams, vendors, carriers, and service providers.