Senior Network Architect (WAN, LAN, Private 5G, OT)

About the role

Applied Materials is looking for a Senior Network Architect in Bangalore to design, implement and operate secure, resilient and scalable enterprise network infrastructure. The role is hands-on and technical, covering architecture, engineering, lifecycle management, automation and operational excellence across campus, data center, manufacturing, R&D and cloud-connected environments. It works closely with security, cloud, OT and application teams.

Key responsibilities

• Design, implement and support enterprise WAN, LAN, WLAN, SD-WAN, firewall and Private 5G solutions, including detailed designs for campus, data center, manufacturing, OT and R&D environments
• Design campus and building LANs (switching, VLANs, routing, redundancy) and enterprise Wi-Fi (RF design, capacity planning); troubleshoot wired and wireless issues
• Operate global WAN and SD-WAN deployments (internet, MPLS, DIA, cloud connectivity) and optimize routing, traffic steering and QoS
• Design Private 5G, OT and sensor network connectivity for manufacturing and R&D, integrating it with wired and wireless infrastructure and securing industrial devices, PLCs, sensors and IoT platforms
• Configure firewalls, VPNs, ZTNA and secure connectivity, supporting segmentation, access controls and Zero Trust principles
• Act as a senior escalation point for complex incidents, perform root cause analysis and support network changes and maintenance
• Develop network standards, templates and baselines, drive automation with scripting and infrastructure-as-code, and track performance metrics
• Collaborate with security, cloud, OT, application and infrastructure teams, and own end-to-end budgeting, renewals, vendor contracts and project cost modeling

Required profile

• Bachelor's or diploma in Computer Science, Information Technology, Cybersecurity, Engineering or a related field
• 8-12+ years of experience in enterprise network engineering
• Experience with hybrid environments connected to public cloud (AWS, Azure)
• Preferred: wired/wireless certifications such as CCIE Routing & Switching, Aruba or Palo Alto, and experience in manufacturing or industrial networks

Required skills

• WAN and SD-WAN: routing (BGP, OSPF), MPLS, DIA, cloud interconnects
• LAN and WLAN: switching, VLANs, RF design, wireless troubleshooting
• Security: firewalls, VPNs, segmentation, NAC
• Private 5G architecture and integration (preferred)
• Network monitoring, telemetry and troubleshooting tools
• High availability, redundancy and performance optimization