Network Engineer

Description GSPANN is hiring a Network Engineer – L3 Support with expertise in advanced enterprise networking, infrastructure automation, and cloud integration. This full-time role involves handling escalations, leading root-cause analysis, and optimizing hybrid network environments across global operations.Role and Responsibilities Coordinate with Original Equipment Manufacturers (OEMs) such as Cisco, Palo Alto Networks, and Microsoft to resolve issues within defined Service Level Agreements (SLAs). Oversee and optimize enterprise network infrastructure, including firewalls (Palo Alto – Cloud and On-Premise, Microsoft Azure Firewall), Cisco switches, and access points. Support wireless LAN controllers and Cisco Digital Network Architecture Center (DNAC) for centralized wireless management. Manage network authentication platforms like Cisco Identity Services Engine (ISE) and Terminal Access Controller Access-Control System (TACACS). Handle load balancers across environments, including F5 and Microsoft Azure. Maintain DDI (DNS, DHCP, IPAM) services using Infoblox and Microsoft Domain Name System (DNS) / Dynamic Host Configuration Protocol (DHCP). Administer cloud networking setups on Microsoft Azure and Amazon Web Services (AWS). Manage the commissioning and decommissioning of physical and virtual network assets. Design and implement automation for real-time health monitoring and incident healing. Automate processes across asset lifecycle management, patching, upgrades, and provisioning. Execute batch jobs and integrate scripting to streamline operational tasks. Contribute to Infrastructure as Code (IaC) adoption and FinOps (Financial Operations) initiatives. Maintain seamless 24/7/365 network operations across global environments. Execute expedited change requests and fulfill service tickets with minimal business impact. Lead efforts around capacity planning, performance tuning, and network availability optimization. Maintain and enforce Standard Operating Procedures (SOPs), hardening policies, and patch compliance. Track licenses, warranties, and vendor contracts to ensure proactive renewals and compliance. Support Disaster Recovery (DR) readiness by conducting routine backup restoration drills. Follow ITIL (Information Technology Infrastructure Library) aligned processes such as Incident, Problem, Change, Configuration, Availability, and Service Level Management. Drive continuous service improvement initiatives across network infrastructure and operations. Mentor and train L0–L2 engineers to build technical depth and support maturity. Lead upgrades and refresh projects to maintain supported versions of hardware and software. Serve as the final escalation point for Level 0 to Level 2 (L0–L2) teams on all network-related incidents. Lead root-cause analysis (RCA) and manage problem resolution for recurring or high-impact issues. Skills and Experience 8+ years of experience in enterprise network engineering roles. Expertise in Cisco networking technologies, including switches, access points, and DNAC. Hands-on with next-generation firewalls such as Palo Alto Networks and Microsoft Azure Firewall. Manage DDI solutions using Infoblox and Microsoft DNS/DHCP. Support enterprise wireless LANs and associated controllers. Operate effectively within cloud networking environments including Microsoft Azure and AWS. Develop and maintain automation scripts using Python, Ansible, or similar tools. Use network monitoring, asset management, and orchestration tools to drive operational efficiency. Demonstrate deep understanding of ITIL processes and large-scale enterprise IT operations.