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.

At Infosys, we assure that your career will never stand still, we will inspire you to build what’s next and we will navigate further together. Our journey of learnability, values and trusted relationships with our clients continue to be the cornerstones of our organization and these values are upheld only because of our people.

• 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. [Need exper...sh.veettil | Viva Engage] ________________________________________
• Key Responsibilities
• Network Architecture & Design
• Define and design:
• Enterprise LAN/WAN, Data Center, and Cloud network architecture
• Create:
• HLD / LLD, design patterns, network blueprints
• Translate business requirements into:
• Scalable, resilient, cost-optimized network solutions

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• 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 DR connectivity

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• 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

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• 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

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• Network Security & Segmentation
• Implement:
• Zero Trust architecture
• Network segmentation and micro-segmentation
• Manage:
• Firewall policies, ACLs, intrusion prevention
• Ensure:
• Secure hybrid connectivity

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• Automation & DevOps Integration
• Automate network provisioning using:
• Python, Ansible, Terraform
• Integrate:
• CI/CD pipelines for network configurations
• Drive:
• Infrastructure as Code (IaC) for network

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• Monitoring & Observability
• Implement monitoring solutions:
• Dynatrace, Grafana, SolarWinds
• Cisco DNA Center, ThousandEyes
• Use:
• Network flow logs, performance analytics
• Ensure:
• Proactive incident identification

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• Performance, Capacity & Reliability
• Perform:
• Network capacity planning
• Optimize:
• Latency, throughput, bandwidth usage
• Design:
• High availability architectures
• Failover, DR strategies

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• Troubleshooting & Governance
• Lead:
• Complex troubleshooting across:

 TCP/IP, DNS, routing protocols

• Support:
• ITIL processes (incident, problem, change)
• Maintain:
• Documentation, runbooks, and design artifacts

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• Required Technical Skills Core Networking
• Cisco Routing & Switching
• BGP, MPLS, OSPF
• Data Center networking (ACI, VXLAN, EVPN)

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Cloud Networking

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

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Security

• Firewall technologies
• Zero Trust architecture
• Network segmentation

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Automation / DevOps

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

About Infosys

Infosys is a global leader in next-generation digital services and consulting. We enable clients in 56 countries to navigate their digital transformation. With over three decades of experience in managing the systems and workings of global enterprises, we expertly steer our clients through the many next of their digital journey. We do it by enabling the enterprise with an AI-powered core that helps prioritize the execution of change. We also empower the business with agile digital at scale to deliver unprecedented levels of performance and customer delight. Our always-on learning agenda drives their continuous improvement through building and transferring digital skills, expertise and ideas from our innovation ecosystem.

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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