Senior Network Engineer/Architect

Who We AreApplied Materials is the global leader in materials science and engineering solutions that are at the foundation of virtually every new semiconductor chip and advanced display in the world. The equipment that we create and service is essential to advancing AI and accelerating the commercialization of next-generation semiconductor chips. Join us and push the boundaries of materials science and engineering in a company at the foundation of the electronics industry. The work we do together advances the world’s technology. What We OfferLocation:Bangalore,INDYou’ll benefit from a supportive work culture that encourages you to learn, develop, and grow your career as you take on challenges and drive innovative solutions for our customers. We empower our team to push the boundaries of what is possible—while learning every day in a supportive leading global company. Visit our Careers website to learn more. At Applied Materials, we care about the health and wellbeing of our employees. We’re committed to providing programs and support that encourage personal and professional growth and care for you at work, at home, or wherever you may go. Learn more about our benefits. We are seeking a Senior Network Architect with deep expertise across WAN, LAN, WLAN, SD‑WAN, Private 5G and Sensors technologies to design, implement, and operate secure, resilient, and scalable enterprise network infrastructure.This role is hands-on and highly technical, with responsibility for architecture, engineering, lifecycle management, automation, and operational excellence across campus, data center, manufacturing, R&D, and cloud-connected environments.The Senior Network Architect partners closely with security, cloud, OT, and application teams to deliver reliable connectivity aligned with business priorities.Key Responsibilities1. Network Engineering & ArchitectureDesign, implement, and support enterprise WAN, LAN, WLAN, SD‑WAN, firewall, and Private 5G network solutions.Lead detailed network designs for campus, data center, manufacturing, OT, and R&D environments.Develop and maintain high- and low-level design documentation, traffic flows, and implementation guides.Ensure network solutions meet requirements for scalability, resilience, performance, and security.Contribute to reference architectures and standardized network patterns.2. LAN & WLAN EngineeringDesign and deploy campus and building LANs, including switching, VLANs, routing, and redundancy <models.Engineer> enterprise Wi‑Fi solutions focusing on RF design, capacity planning, and performance optimization.Troubleshoot complex wired and wireless issues using packet captures, telemetry, and <logs.Support> NAC, 802.1X, and identity-based access integrations.3. WAN / SD‑WAN EngineeringEngineer and operate global WAN and SD‑WAN deployments, including internet, MPLS, DIA, and cloud connectivity.Optimize routing, traffic steering, QoS, and application <performance.Support> segmentation, redundancy, failover, and high-availability <designs.Work> with service providers and vendors on circuit provisioning, troubleshooting, and optimization.4. Private 5G, OT & Sensor Network EngineeringDesign, implement, and support Private 5G, OT, and sensor network connectivity for manufacturing, industrial, and R&D environments.Integrate Private 5G with existing wired (LAN), wireless (WLAN), SD‑WAN, and WAN infrastructures to provide seamless and secure end-to-end <connectivity.Engineer> secure, scalable connectivity for industrial devices, PLCs, sensors (IIoT), robots, vision systems, and IoT <platforms.Support> deterministic, high-availability network designs to meet low latency, high reliability, and real-time traffic requirements.Implement segmentation and security controls to isolate OT systems, sensor networks, and IT workloads while enabling controlled data exchange.Collaborate with OT, manufacturing, and security teams to align network design with safety, production continuity, and compliance requirements.Ensure ongoing monitoring, performance optimization, and lifecycle management of Private 5G cells, gateways, edge devices, and sensor connectivity. 5. Network Security IntegrationConfigure and support firewalls, VPNs, ZTNA, and secure connectivity in partnership with security teams.Implement segmentation, access controls, and secure routing architectures.Participate in firewall policy design reviews and traffic flow validation.Ensure networks align with Zero Trust and defense-in-depth principles.6. Operations, Troubleshooting & Incident Escalation SupportAct as a senior technical escalation point for complex network incidents.Perform root cause analysis and implement corrective and preventive <actions.Support> network changes, upgrades, and maintenance with minimal disruption.Participate in on-call or escalation rotations as required.6. Automation, Standards & Continuous ImprovementDevelop and maintain network standards, templates, and configuration <baselines.Drive> automation using scripting and infrastructure-as-code approaches where applicable.Reduce operational debt through simplification, standardization, and lifecycle management.Track and improve network performance, availability, and operational metrics.7. Cross-Functional CollaborationWork closely with Network Security, Cloud, OT, Application, and Infrastructure <teams.Support> project planning, technical assessments, and implementation timelines.Participate in design reviews and architecture discussions.Clearly communicate technical issues, risks, and recommendations to stakeholders.8. Financials & Project ManagementOwn end to end budgeting and financial governance for network products, including annual OPEX/CAPEX planning and funding approvals.Manage renewals and vendor contracts, driving cost optimization and negotiating savings across all platforms and services.Lead project intake cost modeling, including resource costing, design/engineering estimates, and financial impact assessments.QualificationsEducationBachelor’s/Diploma degree in Computer Science, Information Technology, Cybersecurity, Engineering, or related field.Experience8–12+ years of experience in enterprise network engineeringStrong hands-on experience with: WAN, SD‑WAN, LAN, WLAN,Firewalls, VPN / ZTNASensors & Private5GManufacturing, OT, or large campus networksExperience supporting hybrid environments with public cloud connectivity (AWS, Azure)SkillsWAN & SD‑WAN: Routing (BGP, OSPF), MPLS, DIA, cloud interconnectsLAN & WLAN: Switching, VLANs, RF design, wireless troubleshootingSecurity: Firewalls, VPNs, segmentation, NACPrivate 5G: Architecture, integration, and operational support (preferred)Network monitoring, telemetry, and troubleshooting toolsStrong understanding of high availability, redundancy, and performance optimizationSoft SkillsStrong problem-solving and analytical mindsetAbility to work independently on complex technical challengesClear written and verbal communication skillsCollaborative approach across cross-functional teamsOperational discipline with attention to detailPreferredNetwork Wired/Wireless certifications (CCIE Routing & Switching , Aruba, Palo Alto etc.)Experience in manufacturing or industrial network environmentsFamiliarity with ITIL, NIST, or enterprise network standardsAdditional InformationTime Type:Full timeEmployee Type:Assignee / RegularTravel:Yes, 10% of the TimeRelocation Eligible:NoApplied Materials is an Equal Opportunity Employer. Qualified applicants will receive consideration for employment without regard to race, color, national origin, citizenship, ancestry, religion, creed, sex, sexual orientation, gender identity, age, disability, veteran or military status, or any other basis prohibited by law.