Network Architect – On- Premise & Cloud – Warwick – UK

Technology

AWS cloud Architecture

Location

Warwick/London

Business Unit

CIS

Compensation

Competitive (including bonus)

Job Description

Today, the corporate landscape is dynamic and the world ahead is full of possibilities! None of the amazing things we do at Infosys would be possible without an equally amazing culture, the environment where ideas can flourish and where you are empowered to move forward as far as your ideas will take you.

Role Overview

The Network Architect is responsible for designing and governing enterprise network architecture across on‑prem data centers and public cloud (AWS/Azure), ensuring secure, scalable, and highly available connectivity. The role focuses heavily on hybrid connectivity (DC Cloud) and enterprise network modernization.

Key Responsibilities

• Network Architecture & Design
  • Define and design:
    • Enterprise LAN/WAN, Data Center, and Cloud network architecture
    • HLD / LLD, design patterns, network blueprints
    • Translate business requirements into scalable, resilient, cost‑optimized network solutions
• Hybrid Connectivity (On‑Prem Cloud)
  • Design and manage connectivity between Data Centers and AWS/Azure
  • Implement AWS Direct Connect / VPN connectivity
  • Architect multi‑region, multi‑VPC / hub‑spoke designs
  • Ensure high availability and disaster recovery connectivity
• Enterprise Networking (On‑Prem)
  • Strong hands‑on expertise in Cisco Routing & Switching (OSPF, BGP, EIGRP, STP, HSRP, VRRP)
  • VLANs, trunking, QoS, multicast
  • Data center networking: Cisco ACI (APIC, Nexus 9K, VXLAN/EVPN, spine‑leaf)
  • SD‑WAN: Cisco Viptela / Meraki solutions
• Cloud Networking (AWS / Azure)
  • Design and implement VPC / VNet, subnets, route tables
  • Use key cloud networking services: Transit Gateway, NAT Gateway, Load Balancers
  • Implement secure access via private endpoints, firewalls
  • Optimize traffic flow, cost, and performance
• Network Security & Segmentation
  • Implement Zero Trust architecture
  • Network segmentation and micro‑segmentation
  • Manage firewall policies, ACLs, intrusion prevention
  • Ensure secure hybrid connectivity
• Automation & DevOps Integration
  • Automate network provisioning using Python, Ansible, Terraform
  • Integrate CI/CD pipelines for network configurations
  • Drive Infrastructure as Code for network
• Monitoring & Observability
  • Implement monitoring solutions: Dynatrace, Grafana, SolarWinds
  • Cisco DNA Center, ThousandEyes
  • Use network flow logs, performance analytics
  • Ensure proactive incident identification
• Performance, Capacity & Reliability
  • Perform network capacity planning
  • Optimize latency, throughput, bandwidth usage
  • Design high availability architectures
  • Failover, disaster recovery strategies
• Troubleshooting & Governance
  • Lead complex troubleshooting across TCP/IP, DNS, routing protocols
  • Support ITIL processes (incident, problem, change)
  • Maintain documentation, runbooks, and design artifacts

Required Technical Skills – Core Networking

• Cisco Routing & Switching
• BGP, MPLS, OSPF
• Data Center networking (ACI, VXLAN, EVPN)

Cloud Networking

• AWS: VPC, Transit Gateway, Direct Connect
• Azure: VNet, ExpressRoute (good to have)
• Hybrid connectivity architecture

Security

• Firewall technologies
• Zero Trust architecture
• Network segmentation

Automation / DevOps

• Terraform / Ansible
• Python scripting
• CI/CD integration

All aspects of employment at Infosys are based on merit, competence and performance. We are committed to embracing diversity and creating an inclusive environment for all employees. Infosys is proud to be an equal opportunity employer.

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