Technical Consultant - Core Network

Job description

**Department** Technology Infrastructure Services (TIS) Enterprise Network Services (ENS) **Location** India **Reports To** Core Network Service Manager **Level** Senior Technical Manager **About your team** ENS operate in EMEA, India, APAC, and NA. The team deliver and support network, voice, security, and application service infrastructure for in house data centres, extranet (B2B), market data, as well provide services for integration into cloud providers including MSFT O365, Azure, AWS, Oracle, Zscaler, and a number of smaller SaaS and PaaS provisions. **About your role** The role is part of the ENS Technical Delivery function responsible for engineering support, implementation, and operational stability of the global network infrastructure. You will work as a technical delivery engineer supporting: - **Infrastructure projects** driven by business initiatives - **ENS roadmap projects** , including upgrades, new deployments, and platform enhancements - **Operational maintenance** of network environments across **EMEA, India, APAC NA.** This role provides strong exposure to enterprisescale networking, opportunities to work with modern technologies, and collaboration with global crossfunctional teams. **About you** You are passionate about network technology, problemsolving, and delivering highquality engineering outcomes in a global environment. You can work independently as well as collaboratively with diverse regional teams. **Essential Skills (712 Years Experience)** **Core Networking** - Strong knowledge of **network routing protocols** OSPF, BGP, and IP routing - Good understanding of **Layer 2 technologies** VLANs, STP, PortChannel, Fabric - Handson experience with **Cisco switches, routers, and Nexus platforms** - Practical experience with **Cisco ACI** (fabric concepts, tenants, bridge-domains, EPGs, policies) **SD-WAN** - Knowledge of **Aruba (SilverPeak) SDWAN** , or equivalent SDWAN technologies (architecture, overlays, tunnels, policies, monitoring) **Others** - Ability to collaborate with crossregional engineering and operations teams - Strong documentation, communication, and procedural discipline - Experience participating in change management, incident handling, and problem resolution - Ability to support both project work and BAU operations in a hybrid model **Good To Have Skills** **Firewalls Security** - Exposure to **firewalls** such as: - Palo Alto - Check Point - Juniper SRX - Cisco ASA **Cloud Security / Proxy** - Basic understanding of **Zscaler ZIA/ZPA** , web proxies, tunneling, traffic steering **Protocols Tooling** - Knowledge of **IPSec, GRE tunnels** - AAA services: **RADIUS, TACACS+** - Logging systems: **SYSLOG ingestion, forwarding, analysis**