Network Architect at Mphasis

• Job Location New York, United States
• Seniority Mid-Senior Level
• Type Full-time

Description

Role Summary We are seeking a Network Architect to lead network design and technical delivery for a new data center (primary/secondary).

This role partners with security, computer, storage, backup/DR, and facilities teams to implement a production-grade network that supports critical workloads, tight security controls, and predictable operations.

The architect owns the network target state, standards, configurations, testing, and migration/cutover governance.

Key Responsibilities Network Architecture & Strategy: Define target-state DC network architecture including fabric design, routing strategy, segmentation model, and operational standards aligned to resiliency and security requirements.

Data Center Fabric: Architect and guide implementation of leaf-spine with EVPN/VXLAN and/or Cisco ACI (or equivalent); define underlay/overlay, BGP, MTU/jumbo frames, and control-plane protections.

Segmentation & Security Zones: Design VRF/VLAN strategy, micro-segmentation alignment (where applicable), east-west controls, firewall placement, and north-south security boundaries in coordination with InfoSec.

DC Interconnect (DCI) & WAN Edge: Design DCI between DC1/DC2, connectivity to WAN/Internet/cloud, redundancy, QoS, and routing policy (BGP/OSPF as required).

Core Network Services: Own integration patterns for DNS/DHCP/IPAM (Infoblox or equivalent), NTP, PKI/cert dependencies, TACACS/RADIUS, and network management.