{"id":138450,"url":"https://alion.io/job/applied-materials-senior-network-security-architect","title":"Senior Network Security Architect","company":{"id":3903,"name":"Applied Materials","domain":"appliedmaterials.com","url":"https://alion.io/company/amat","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":89,"open_postings":327,"ghost_share":0.003,"stale_share":0.413,"repost_share":0.003,"time_to_fill_p50_days":52,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Security","role_family":"Security","seniority":"staff","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Toronto, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":103000,"max_usd":193000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":8},"experience_years_min":12,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"DLP","optional":false},{"name":"DNS","optional":false},{"name":"ISO 27001","optional":false},{"name":"NIST 800-53","optional":false},{"name":"NIST CSF","optional":false},{"name":"PCI DSS","optional":false},{"name":"PKI","optional":false},{"name":"Threat Modeling","optional":false},{"name":"Zero Trust","optional":false},{"name":"Akamai","optional":true},{"name":"Corelight","optional":true},{"name":"Zscaler","optional":true}],"status":"live","first_seen_at":"2026-08-26T00:00:00Z","employer_posted_date":"2026-08-26","last_verified_at":"2026-10-15T17:20:19Z","board_verified":true,"closed_at":null,"days_open":52,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":52},"description":"Who We Are\n\nApplied 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.\n\nWhat We Offer\n\nLocation:\nToronto,CANYou’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.\nAt 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.\nApplied 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.\nThe 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.\nKey Responsibilities\nThe 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\nEnterprise Security Architecture & Strategy\nDefine and maintain the enterprise network security architecture vision, standards, and multi-year roadmap.\n\nDevelop reference architectures, design standards, and technical governance processes.\n\nLead strategic initiatives involving Zero Trust, SASE/SSE, cloud security, SD-WAN, segmentation, and network modernization.\n\nEvaluate emerging technologies and recommend adoption strategies aligned with business and cybersecurity objectives.\n\nAct as the technical authority for network security architecture decisions across the enterprise.\n\nNetwork Security Architecture\nArchitect and govern global network security solutions, including:\nNext-Generation Firewalls (Palo Alto, Fortinet, Check Point)\n\nSecure Service Edge (SSE/SASE)\n\nZero Trust Network Access (ZTNA)\n\nSecure Web Gateway (SWG)\n\nData Loss Prevention (DLP)\n\nDNS Security\n\nWeb Application Firewall (WAF)\n\nDDoS Protection\n\nNetwork Detection & Response (NDR)\n\nEstablish standards for segmentation, micro-segmentation, and policy enforcement.\n\nEnsure consistent security controls across on-premises, cloud, and SaaS environments.\n\nCloud & Hybrid Security Architecture\nDesign secure connectivity patterns for Azure, AWS, and hybrid cloud environments.\n\nArchitect cloud-native security controls and connectivity frameworks.\n\nGovern ExpressRoute, Direct Connect, cloud firewalls, cloud networking, and secure interconnectivity.\n\nDevelop secure access models for applications, services, partners, and third-party integrations.\n\nManufacturing & OT Security\nDefine and maintain secure network architectures for manufacturing facilities, laboratories, and operational technology environments.\n\nDrive IT/OT segmentation aligned with ISA-95, Purdue Model, NIST CSF, and IEC 62443 standards.\n\nDesign secure remote access, monitoring, and management solutions for manufacturing operations.\n\nPartner with factory engineering and cybersecurity teams to identify and mitigate operational risks.\n\nDesign Governance & Technical Leadership\nLead architecture reviews and approve High-Level Designs (HLDs) and Low-Level Designs (LLDs).\n\nChair technical design reviews and architecture governance boards.\n\nMentor engineers and architects on network security best practices and emerging technologies.\n\nEstablish engineering standards and drive design consistency across regions and business units.\n\nSecurity Risk, Compliance & Incident Response\nEnsure architecture compliance with:\nNIST Cybersecurity Framework\n\nNIST 800-53\n\nCIS Critical Security Controls\n\nISO 27001\n\nIEC 62443\n\nPCI DSS\n\nConduct architecture risk assessments and threat modeling exercises.\n\nSupport major cyber incident investigations and post-incident architecture improvements.\n\nPartner with Security Operations, SOC, ISRM, and Audit teams to continuously strengthen security posture.\n\nAutomation & Innovation\nDrive adoption of Infrastructure-as-Code (IaC), APIs, and security automation.\n\nLead AI-driven operational efficiency initiatives within network and security domains.\n\nDevelop architectural frameworks for telemetry, observability, and predictive analytics.\n\nPromote standardization and simplification to reduce operational complexity and risk.\n\nVendor & Financial Management\nDevelop business cases, TCO analyses, and strategic investment recommendations.\n\nLead vendor evaluations, proof-of-concepts, and technology selection initiatives.\n\nManage strategic vendor relationships and influence future product capabilities.\n\nSupport licensing, contract renewals, and budget planning activities.\n\nLeadership Expectations\nRecognized subject matter expert and technical leader.\n\nInfluences executive, business, and technical stakeholders across organizational boundaries.\n\nDrives enterprise-wide architectural decisions and technology strategy.\n\nBalances security, operational excellence, business agility, and cost optimization.\n\nMentors senior engineers and architects while fostering innovation and engineering excellence.\n\nMinimum Qualifications\nBachelor's degree in Computer Science, Information Technology, Cybersecurity, Engineering, or related discipline.\n\n12+ years of experience in enterprise networking and security.\n\n5+ years of experience in architecture, principal engineering, or technical leadership roles.\n\nProven experience designing and implementing large-scale enterprise security architectures.\n\nStrong knowledge of:\nZero Trust Architecture\n\nNetwork Security and Firewalls\n\nSSE/SASE Platforms\n\nSD-WAN\n\nRouting & Switching\n\nCloud Security\n\nDNS, PKI, and Identity Integration\n\nNetwork Detection & Response (NDR)\n\nPreferred Qualifications\nGlobal enterprise and manufacturing industry experience.\n\nExperience supporting semiconductor, industrial, or operational technology environments.\n\nExpertise with:\nPalo Alto Networks\n\nZscaler\n\nAkamai\n\nExtraHop/Corelight/Vectra\n\nClearPass/Forescout\n\nAzure and AWS Networking\n\nExperience leading globally distributed engineering teams.\n\nPreferred Certifications\nCISSP\n\nCCIE Enterprise Infrastructure/Security\n\nCCNP Enterprise\n\nPalo Alto PCNSE\n\nAzure Security Engineer Associate\n\nAWS Security Specialty\n\nCCSP\n\nZscaler Certified Architect\n\nAdditional Information\nTime Type:\nFull timeEmployee Type:\nAssignee / RegularTravel:\nYes, 10% of the TimeRelocation Eligible:\nNoApplied Materials is an Equal Opportunity Employer. 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