Senior Network Architect

Unisys — Bangalore, KA, India

What success looks like in this role: 1) Customer Network Architecture & End-to-End Design Leadership (Primary) Own the end-to-end network architecture for large/complex customer environments (multi-site, multi-cloud, hybrid, regulated). Lead architecture discovery : current-state analysis, application dependency mapping, traffic flows, capacity baselining, and risk assessment. Produce high-quality architecture artifacts , including: High-level and low-level designs (HLD/LLD) Reference architectures and patterns Logical/physical diagrams, segmentation models, routing & switching plans Security and resiliency designs (fault domains, HA, DR) Bill of materials, licensing alignment, and cost/risk trade-offs Define and validate target-state architecture across: Data center / campus / WAN / branch SD-WAN, SASE, ZTNA integration Load balancing (L4/L7), DNS/DHCP/IPAM DDI, NAC, segmentation, micro-segmentation (where applicable) IPv4/IPv6 strategy, BGP/OSPF/ISIS, EVPN/VXLAN (if required) Ensure designs align to customer business outcomes (growth, M&A, compliance, cloud adoption, user experience, cost controls). Hands-on expectation: Ability to validate designs via config prototypes, lab testing, packet capture, and troubleshooting in real environments. 2) Operational Stabilization & Network Reliability Excellence (Primary) Lead the stabilization of network operations by establishing and driving: Operational maturity (standard operating procedures, runbooks, escalation paths) Incident reduction program using RCA, problem management, and corrective action plans Change governance with standardized change templates, risk scoring, and backout plans Configuration standardization (golden configs, compliance checks, drift detection) Resiliency improvements : elimination of SPOFs, HA consistency, redundancy validation, failover testing Create a Network Reliability Plan with measurable targets: Availability / downtime reduction MTTR improvement Change failure rate reduction Alert nois

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