Technical Consultant - Core Network
Job Description
Description
\n\nTitle Technical Consultant – Core Network
\nDepartment Technology Infrastructure Services (TIS) Enterprise Network Services (ENS)
\nLocation India
\nReports To Core Network Service Manager
\nLevel Senior Technical Manager
\nAbout your team
\nENS 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.
\nAbout your role
\nThe role is part of the ENS Technical Delivery function responsible for engineering support, implementation, and operational stability of the global network infrastructure.
\nYou will work as a technical delivery engineer supporting:
\n- Infrastructure projects driven by business initiatives \n
- ENS roadmap projects , including upgrades, new deployments, and platform enhancements \n
- Operational maintenance of network environments across EMEA, India, APAC & NA. \n
- Strong knowledge of network routing protocols – OSPF, BGP, and IP routing \n
- Good understanding of Layer 2 technologies – VLANs, STP, Port‑Channel, Fabric \n
- Hands‑on experience with Cisco switches, routers, and Nexus platforms \n
- Practical experience with Cisco ACI (fabric concepts, tenants, bridge-domains, EPGs, policies) \n
- Knowledge of Aruba (SilverPeak) SD‑WAN , or equivalent SD‑WAN technologies
\n (architecture, overlays, tunnels, policies, monitoring) \n - Ability to collaborate with cross‑regional engineering and operations teams \n
- Strong documentation, communication, and procedural discipline \n
- Experience participating in change management, incident handling, and problem resolution \n
- Ability to support both project work and BAU operations in a hybrid model \n
- Exposure to firewalls such as:Palo AltoCheck PointJuniper SRXCisco ASA \n
- Basic understanding of Zscaler ZIA/ZPA , web proxies, tunneling, traffic steering \n
- Knowledge of IPSec, GRE tunnels \n
- AAA services: RADIUS, TACACS+ \n
- Logging systems: SYSLOG ingestion, forwarding, analysis \n
This role provides strong exposure to enterprise‑scale networking, opportunities to work with modern technologies, and collaboration with global cross‑functional teams.
\nAbout you
\nYou are passionate about network technology, problem‑solving, and delivering high‑quality engineering outcomes in a global environment. You can work independently as well as collaboratively with diverse regional teams.
\nEssential Skills (7–12 Years Experience)
\nCore Networking
\nSD-WAN
\nOthers
\nGood To Have Skills
\nFirewalls & Security
\nCloud Security / Proxy
\nProtocols & Tooling
\nFeel rewarded
\nFor starters, we’ll offer you a comprehensive benefits package. We’ll value your wellbeing and support your development. And we’ll be as flexible as we can about where and when you work – finding a balance that works for all of us. It’s all part of our commitment to making you feel motivated by the work you do and happy to be part of our team.