Senior Network Security Architect

Who We Are
Applied 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 worlds technology.

What We Offer

Location:

Toronto, CAN

You’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.

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.

The ideal candidate is a recognized technical leader with deep expertise in  Zero Trust, SSE/SASE, Network Security, Cloud Security, SD-WAN, OT Security, DDoS Protection, Network Detection & Response (NDR), and Security Automation . This individual will partner with engineering, operations, cybersecurity, cloud, manufacturing, and business leadership teams to design and implement secure, scalable, and resilient solutions that support Applied Materials' global operations and digital transformation initiatives.

Key Responsibilities
The Principal Network Security Architect is accountable for defining and governing Applied Materials' global network security strategy and architecture. This role leads the design and modernization of enterprise, cloud, and manufacturing security platforms, ensuring secure, resilient, and scalable services that support business growth, operational excellence, and cybersecurity objectives worldwide

Enterprise Security Architecture & Strategy

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.

Network Security Architecture

Architect and govern global network security solutions, including:

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)

DDoS Protection

Network Detection & Response (NDR)

Establish standards for segmentation, micro-segmentation, and policy enforcement.

Ensure consistent security controls across on-premises, cloud, and SaaS environments.

Cloud & Hybrid Security Architecture

Design secure connectivity patterns for Azure, AWS, and hybrid cloud environments.

Architect cloud-native security controls and connectivity frameworks.

Govern Express Route, Direct Connect, cloud firewalls, cloud networking, and secure interconnectivity.

Develop secure access models for applications, services, partners, and third-party integrations.

Manufacturing & OT Security

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.

Design Governance & Technical Leadership

Lead architecture…