Application Support Engineer

Project Role : Application Support Engineer

Project Role Description : Act as software detectives, provide a dynamic service identifying and solving issues within multiple components of critical business systems.

Must have skills : Network Infrastructures

Good to have skills : NA

Minimum 3 Year(s) Of Experience Is Required

Educational Qualification : 15 years full time education

Summary: We are seeking a skilled Network Infrastructure Engineer to manage, monitor, and troubleshoot network infrastructure across global environments. The ideal candidate will have strong experience in Cisco, Juniper, Palo Alto, HP, and Aruba platforms and demonstrate expertise in network operations, incident response, and configuration management. Roles & Responsibilities: * Flexible to work in 24x7 rotational shifts, including weekend * Monitor and maintain enterprise network infrastructure to ensure high availability and performance. * Troubleshoot and resolve incidents related to routing, switching, wireless, and firewall components. * Perform network changes following standard change management processes (ITIL-based). * Support WAN/LAN connectivity, VPN, wireless, and data center network environments. * Work on escalation tickets (L2/L3 level) and provide root cause analysis for recurring issues. * Configure and manage Cisco and Juniper routers/switches (OSPF, BGP, VLANs, STP, HSRP/VRRP, QoS).r * Administer and troubleshoot Palo Alto firewalls including security policies, NAT, and threat prevention. * Manage HP/Aruba switches and wireless controllers, support campus network and wireless access issues. * Perform routine health checks, firmware upgrades, and proactive monitoring using tools like SolarWinds, Splunk, or ServiceNow. * Collaborate with vendors and internal teams for escalations, upgrades, and network improvement initiatives. * Maintain up-to-date network documentation, diagrams, and configuration records. * Participate in incident bridges and coordinate restoration efforts during major outages. Professional & Technical Skills: *Networking: Deep understanding of TCP/IP, routing, switching, BGP, OSPF, EIGRP, VLANs, STP, NAT, ACLs. *Platforms: * Cisco: Catalyst, Nexus, ISR/ASR routers, Nexus Switches. * Experience in SD-WAN (Cisco Viptela, Meraki, Aruba Edge Connect, or Silver Peak). * Juniper: EX/QFX series, Junos. * Palo Alto: Prisma SDWAN, VPN. * Cisco/Aruba: Access switches, wireless controllers, ClearPass (added advantage). * Tools: SolarWinds, Wireshark, Splunk, ServiceNow, Cisco Prime, Aruba Airwave. * Certifications (preferred): CCNA/JNCIA/CCNP/JNCIP/Aruba ACMP/HP ASE. Additional Information: * Strong communication and documentation skills. * Ability to work under pressure and in 24x7 environments. * Experience in global operations or managed service environments is a plus. * Understanding & Basic knowledge on Zscaler & F5 * Familiarity with cloud networking (AWS, Azure, GCP). * Basic scripting knowledge (Python, Ansible) for network automation. * Education: * Bachelor's degree in Computer Science, Electronics, or equivalent field. * Relevant professional certifications (Cisco, Juniper, Palo Alto, or Aruba) are preferred.