Job Description
Experienced Network & Security Consulting Leader supporting business growth through solution development, technical governance, presales support, bid management, SOW and CIS development across Enterprise, Data Centre, Service Provider and Security domains. Minimum Qualifications & Experience Bachelor Degree in Engineering 15-20+ years of experience in Network Architecture / Engineering / Consulting Certifications preferred: CCNP / CCIE / HCIE (R&S;) AWS Certified (Cloud Practitioner or above) Strong experience in global customer delivery environments Other Knowledge & Skills Strong expertise in Routing & Switching (BGP, OSPF, MPLS L2/L3 VPNs, Segment Routing) Experience with enterprise/data center/ISP networks Hands-on experience in Cisco SD-WAN (Viptela), Cisco SDA (DNAC, ISE) Strong understanding of SDN, automation, and intent-based networking Experience with Next-Gen Firewalls (Palo Alto, Fortinet, Cisco Firepower, Checkpoint) Knowledge of Secure Access Service Edge (SASE), Zero Trust, identity-based security Solid exposure to VPNs (site-to-site, remote access), network segmentation Exposure to AWS / hybrid cloud networking Understanding of cloud security and networking constructs Networking tools: SolarWinds, Cisco Prime, AKIPS, NNMI Platforms: Cisco ACI, DNAC, ISE

Key Responsibilities
Design and architect enterprise and service provider IP/MPLS networks, ensuring scalability, performance, and resilience Lead SD-WAN (Cisco SD-WAN/Viptela) and SDA deployments, including design, migration,



and optimization Define and implement SASE architectures integrating secure access, cloud-delivered security, and Zero Trust frameworks Develop HLD/LLD, BOMs, and transformation roadmaps aligned to customer requirements Lead large-scale network migration, LAN/WAN transformation, and DC modernization programs with minimal service disruption Drive end-to-end lifecycle
- design, implementation, testing, and handover Ensure network uptime, capacity planning, and change governance across multi-site environments Support multi-vendor integrations (Cisco, Palo Alto, Fortinet, Checkpoint, F5, Huawei) Implement and manage Next-Gen Firewalls, VPNs, Identity-based access (ISE), and Zero Trust models Design cloud-based security using SASE principles (SWG, CASB, ZTNA) Strengthen enterprise security posture via segmentation, policy enforcement, and threat mitigation frameworks Design and integrate cloud networking (AWS / hybrid cloud) with enterprise WAN architectures Enable secure connectivity (VPN, Direct Connect-type setups) between on-prem and cloud Support cloud-native network transformations and SDN adoption Lead operations of large-scale networks (routers, switches, firewalls) across global environments Drive stakeholder engagement, customer discussions, and governance forums Provide pre-sales and solution consulting support, contributing to proposals and business growth Mentor and guide engineering teams on routing, switching, SD-WAN, and security technologies Drive best practices, automation adoption, and continuous improvement initiatives Lead cross-functional collaboration for successful

📌 IP & SDWAN Solution Architect - Deputy General Manager (Chennai)
🏢 Tata Communications Transformation Services (TCTS)
📍 Chennai