Santosh Chavan

Network Service Operations Specialist | Network Automation | Python | Ansible | REST API Automation | Cisco | Juniper SRX, EX, MX | F5 LTM/GTM | Infoblox DNS | MPLS | BGP | OSPF

Pune Division, Maharashtra, India

About

Network Operations Specialist with hands-on experience in large-scale IP network operations, troubleshooting and production support across routers, switches, firewalls, load balancers and DNS platforms. Experienced in Juniper SRX firewalls, Juniper EX/MX routers & switches, F5 LTM/GTM and Infoblox DNS/IPAM within telecom production environments. Strong knowledge of routing and switching technologies including BGP, OSPF, MPLS, VLANs and VRF along with incident management, fault isolation, traffic analysis and change implementation. Currently expanding into Network Automation using Python, Netmiko, NAPALM, Ansible and REST API automation, with focus on automating network operations, configuration management, operational checks and repetitive network tasks. Hands-on experience in Python-based network automation, SSH automation, device interaction, configuration management and API-based automation workflows for network environments. Open to Network Operations, Network Automation and Network Engineer opportunities.

Experience

  • Network Operations Specialist – IP, Firewall & DNS at Nokia
    Aug 2022 - Present · 4 yrs

    • Network operations and support for large-scale IP networks including Routers, Switches, Firewalls, Load Balancers and DNS platforms. • Hands-on operations of Juniper SRX 5800 firewalls including security policies, NAT, UTM, IDP, screening, session monitoring and traffic troubleshooting. • Support and troubleshooting of Juniper EX and MX series routers and switches in MPLS-based networks. • Routing and switching support involving BGP, OSPF, MPLS, VLANs and VRF. • F5 LTM & GTM operations including VIPs, pools, nodes, health monitors, traffic steering and service availability monitoring. • Infoblox DNS operations including record management (A, AAAA, SRV, NAPTR, TXT), DNS resolution issues and service validation. • 24x7 network monitoring, fault isolation, root cause analysis and incident resolution. • Handling change management activities, configuration updates, upgrades and coordination with TAC and customer teams.

  • Senior Operation Engineer at ZTE Telecom India Pvt. Ltd.
    Feb 2022 - Jul 2022 · 6 mos

    • Network operations support for IP and Packet Core networks with focus on routing, switching and firewall components. • Troubleshooting of routing and connectivity issues across VLANs, OSPF and MPLS networks. • Firewall policy validation and traffic flow troubleshooting. • Monitoring network elements and ensuring high availability of services. • Supporting planned activities, change execution and incident resolution.

  • Nokia ()
    • Filed Operation Engineer
      Jun 2018 - Jan 2022 · 3 yrs 8 mos

      • IP network operations support for routers, switches and firewall infrastructure in telecom environments. • Configuration and troubleshooting of routing protocols including OSPF and BGP. • Support and troubleshooting of Juniper EX and MX series routers and switches in MPLS-based networks • Supporting Juniper SRX 5800 firewall policy changes and traffic validation activities. • Infoblox DNS operations including record management, DNS resolution issues and service validation. • Coordinating with cross-functional teams for network incidents and service restoration. • Involved in network upgrades, health checks and operational documentation.

    • Field Operations Engineer
      Dec 2015 - Jun 2018 · 2 yrs 7 mos

      • Deployment and operations support for IP networks including routers and switches. • VLAN configuration, routing setup and MPLS tunnel support. • Onsite commissioning, testing and troubleshooting of network devices. • Coordination with implementation and operations teams for issue resolution.