Sr Technology Engineer - Network Infrastructure (Chennai)

We are seeking a highly skilled and forward-thinking Senior Technology Engineer Network Infrastructure to join our clients dynamic Technology Chapter. This is a critical role within the Group IT division, focused on designing, implementing, and supporting up-to-date, scalable, and automated network infrastructure across cloud and on-premise environments. As part of an Agile and DevOps-driven environment, you will play a key role in building next-generation SDN-Fabric networks using Enterprise SONiC and legacy technologies, supporting the organisations digital transformation journey. If you are passionate about cloud networking, automation, and delivering enterprise-grade solutions that drive innovation and efficiency, we invite you to be part of this transformative opportunity. Job Purpose As a Senior Technology Engineer, you will play a crucial role in developing, deploying, and supporting advanced network infrastructure, specifically focused on SDN-Fabric networks using Enterprise SONiC and legacy networking technologies. You will join the Platform Squad within a matrixed Group IT structure and report directly to the VP of the Technology Chapter while contributing to cross-functional agile teams. Key Responsibilities Engineering and Architecture - Design and implement enterprise-level network architectures including Datacenters, LANs, WANs, WLANs, Cloud (Azure, OCI, AWS), and hybrid networks. - Lead the buildout of ENBDs SDN-Fabric network using Enterprise SONiC. - Support both new and legacy networking stacks (Cisco, SONiC). - Drive infrastructure automation using tools like Python, Ansible, and others. Technical Leadership - Guide onboarding of applications and customers to the new platform through automation and self-service. - Educate and support Platform and Product teams to optimise transition and usage. - Maintain a strategic focus over tactical fixes and reduce TCO via simplification and automation. Collaboration & Communication - Work with Agile and DevOps methodologies, prioritising work based on backlog items. - Liaise with cross-functional teams including Security, Architecture, Data, and Agile chapters. - Communicate clearly with stakeholders to ensure alignment and transparency. Operations & Support - Provide hands-on operational support for implemented network solutions. - Drive decisions across delivery and operational contexts with focus on performance, cost, and time. Required Skills and Experience Technical Expertise - 8+ years of engineering or operational experience, with at least 3 years in a similar role. - Strong knowledge and hands-on experience with: - Cloud Networking (Azure, OCI, AWS) - Routing & Switching: BGP, OSPF, VXLAN, EVPN, VLAN, Layer-2/3 protocols - WAN optimisation, IPSEC, DMVPN - NAC, WLAN, MACSEC, VPC - Proficiency in: - Network automation using Python, Ansible, etc. - Telemetry protocols (SNMP, NetFlow, gRPC, Syslog, S-flow) - Experience managing high availability, high throughput, and secure global enterprise networks. Tools & Platforms - Cisco, Enterprise SONiC, Cloud platforms (Azure/OCI/AWS) - DevOps toolsets and agile delivery pipelines Education - Bachelors degree or higher in IT, Computer Engineering, or a related field (or equivalent work experience) Key Behavioural Competencies - Strategic thinker with the ability to operate at abstract levels - Proactive, with a self-starter mindset - Strong problem-solving and decision-making abilities - Effective under pressure; maintains composure during high-stakes situations - Collaborative with excellent stakeholder management and communication skills .