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About the Role

Applied Materials is seeking a highly experienced Senior / Principal Network Security Architect to lead the strategy, architecture, and governance of the company's global network security infrastructure. This role is responsible for defining the future-state architecture and technology roadmap across enterprise, cloud, manufacturing (OT), data center, and remote access environments.

Responsibilities

• Define and govern Applied Materials' global network security strategy and architecture.
• Lead the design and modernization of enterprise, cloud, and manufacturing security platforms.
• Ensure secure, resilient, and scalable services that support business growth, operational excellence, and cybersecurity objectives worldwide.
• Define and maintain the enterprise network security architecture vision, standards, and multi-year roadmap.
• Develop reference architectures, design standards, and technical governance processes.
• Lead strategic initiatives involving Zero Trust, SASE/SSE, cloud security, SD-WAN, segmentation, and network modernization.
• Evaluate emerging technologies and recommend adoption strategies aligned with business and cybersecurity objectives.
• Act as the technical authority for network security architecture decisions across the enterprise.
• Architect and govern global network security solutions, including Next-Generation Firewalls, SSE/SASE, ZTNA, SWG, DLP, DNS Security, WAF, DDoS Protection, and NDR.
• Establish standards for segmentation, micro-segmentation, and policy enforcement.
• Ensure consistent security controls across on-premises, cloud, and SaaS environments.
• Design secure connectivity patterns for Azure, AWS, and hybrid cloud environments.
• Architect cloud-native security controls and connectivity frameworks.
• Govern ExpressRoute, Direct Connect, cloud firewalls, cloud networking, and secure interconnectivity.
• Develop secure access models for applications, services, partners, and third-party integrations.
• Define and maintain secure network architectures for manufacturing facilities, laboratories, and operational technology environments.
• Drive IT/OT segmentation aligned with ISA-95, Purdue Model, NIST CSF, and IEC 62443 standards.
• Design secure remote access, monitoring, and management solutions for manufacturing operations.
• Partner with factory engineering and cybersecurity teams to identify and mitigate operational risks.
• Lead architecture reviews and approve High-Level Designs (HLDs) and Low-Level Designs (LLDs).
• Chair technical design reviews and architecture governance boards.
• Mentor engineers and architects on network security best practices and emerging technologies.
• Establish engineering standards and drive design consistency across regions and business units.
• Ensure architecture compliance with NIST Cybersecurity Framework, NIST 800-53, CIS Critical Security Controls, ISO 27001, IEC 62443, and PCI DSS.
• Conduct architecture risk assessments and threat modeling exercises.
• Support major cyber incident investigations and post-incident architecture improvements.
• Partner with Security Operations, SOC, ISRM, and Audit teams to continuously strengthen security posture.
• Drive adoption of Infrastructure-as-Code (IaC), APIs, and security automation.
• Lead AI-driven operational efficiency initiatives within network and security domains.
• Develop architectural frameworks for telemetry, observability, and predictive analytics.
• Promote standardization and simplification to reduce operational complexity and risk.
• Develop business cases, TCO analyses, and strategic investment recommendations.
• Lead vendor evaluations, proof-of-concepts, and technology selection initiatives.
• Manage strategic vendor relationships and influence future product capabilities.
• Support licensing, contract renewals, and budget planning activities.

Requirements

• Bachelor's degree in Computer Science, Information Technology, Cybersecurity, Engineering, or related discipline.
• 12+ years of experience in enterprise networking and security.
• 5+ years of experience in architecture, principal engineering, or technical leadership roles.
• Proven experience designing and implementing large-scale enterprise security architectures.
• Global enterprise and manufacturing industry experience.
• Experience supporting semiconductor, industrial, or operational technology environments.
• Experience leading globally distributed engineering teams.

Skills

• Zero Trust
• SSE/SASE
• Network Security
• Cloud Security
• SD-WAN
• OT Security
• DDoS Protection
• Network Detection & Response (NDR)
• Security Automation
• Next-Generation Firewalls (Palo Alto, Fortinet, Check Point)
• Secure Service Edge (SSE/SASE)
• Zero Trust Network Access (ZTNA)
• Secure Web Gateway (SWG)
• Data Loss Prevention (DLP)
• DNS Security
• Web Application Firewall (WAF)
• Segmentation
• Micro-segmentation
• Azure Networking
• AWS Networking
• ExpressRoute
• Direct Connect
• Cloud firewalls
• Cloud networking
• Secure interconnectivity
• ISA-95
• Purdue Model
• NIST CSF
• IEC 62443
• Infrastructure-as-Code (IaC)
• APIs
• Telemetry
• Observability
• Predictive analytics
• Palo Alto Networks
• Zscaler
• Akamai
• ExtraHop/Corelight/Vectra
• ClearPass/Forescout
• CISSP
• CCIE Enterprise Infrastructure/Security
• CCNP Enterprise
• Palo Alto PCNSE
• Azure Security Engineer Associate
• AWS Security Specialty
• CCSP
• Zscaler Certified Architect

Location

• Toronto, CAN

Work Type

• Full time
• Assignee / Regular

Experience Level

• Senior / Principal
• 12+ years of experience in enterprise networking and security
• 5+ years of experience in architecture, principal engineering, or technical leadership roles

Education Level

• Bachelor's degree in Computer Science, Information Technology, Cybersecurity, Engineering, or related discipline

Benefits

• Supportive work culture that encourages learning, development, and career growth.
• Empowerment to push boundaries and learn every day.
• Programs and support for personal and professional growth.
• Care for employees at work, at home, or wherever they may go.

About the Company

• Applied Materials is the global leader in materials science and engineering solutions.
• The equipment created and serviced is essential to advancing AI and accelerating the commercialization of next-generation semiconductor chips.
• The work done advances the world’s technology.

Equal Opportunity

• Applied 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.