Senior Network Security Engineer

0001 Applied Materials, Inc; Santa Clara (CA); On-site; USD 152,000 - 209,000; Full time

Job summary

Applied Materials, Inc. is seeking a Senior Network Security Engineer to design, implement, secure, and operate enterprise firewall and network security across data centers, manufacturing, OT, R&D, campus, and cloud environments.

Primary focus on Palo Alto networks, including NGFW, Panorama, and Strata Cloud Manager, with broader exposure to SSE/SASE and cloud security. The role requires deep expertise in firewall architecture, policy governance, and security automation, and offers the chance to

Qualifications

• Expert-level experience in enterprise network security and firewall technologies in large global environments.
• Hands-on expertise with Palo Alto NGFW, PAN-OS, Panorama, Strata Cloud Manager, PA-Series and VM-Series.
• Experience with Fortinet FortiGate, FortiManager and FortiAnalyzer is preferred.

Responsibilities

• Firewall Engineering & Architecture Design, implement, secure, and operate enterprise firewall infrastructure across data centers, manufacturing, OT, R&D, campus and cloud.
• Lead policy governance, lifecycle management, and security posture optimization.
• Collaborate with cybersecurity, cloud, network, OT, app and infra teams to deliver standardized security services.

Skills

Enterprise network security

Palo Alto NGFW

PAN-OS

Panorama

Strata Cloud Manager

PA-Series/VM-Series

Fortinet FortiGate

Firewall policy governance

Security postures & HA

App-ID/User-ID/Device-ID

SSL/TLS Decryption

Threat prevention & IPS

DLP/Zero Trust/SSE/SASE

Cloud security (Azure/AWS/GCP)

SIEM/XDR/SOAR integration

Troubleshooting with Wireshark

Network routing (BGP/Ospf/etc)

Encryption & VPN technologies

Controlled firewall lifecycle

Tools

Palo Alto Networks NGFW

PAN-OS

Panorama

Strata Cloud Manager

PA-Series/VM-Series

Fortinet FortiGate

FortiManager

FortiAnalyzer

AIOps/BPA/SCM/Skybox/Tufin

Job description

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 world’s technology.

Salary: $152,000.00 - $208,500.00 Location: Santa Clara,CA

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.

Summary

The Senior Network Security Engineer is a hands‑on technical leader responsible for designing, implementing, securing, and operating enterprise firewall and network security infrastructure across data centers, manufacturing, OT, R&D, campus, and cloud environments. The primary focus of this role is Palo Alto Networks firewall architecture, engineering, policy governance, lifecycle management, and security posture optimization, with supporting expertise in Fortinet, SSE/SASE, Zero Trust, cloud security, routing, and security automation.

Job Description

Applied’s IT organization has a long reputation of being a great place to work. The IT team has been recognized as one of Computerworld’s 100 Best Places to Work in IT. In addition, numerous Applied IT leaders have been honored as CIO Magazine’s Ones to Watch or Computerworld Premier 100 IT leaders. We are seeking a Senior Network Security Engineer with deep expertise in enterprise firewall architecture and engineering to design, implement, secure, and continuously improve Applied Materials’ global network security infrastructure. This role is hands‑on and highly technical, with primary responsibility for Palo Alto Networks NGFW, Panorama, Strata Cloud Manager, firewall policy architecture, security controls, lifecycle management, advanced troubleshooting, and automation across global data centers, manufacturing facilities, campuses, R&D, OT, and cloud environments. The role partners closely with cybersecurity, cloud, network, OT, application, and infrastructure teams to deliver secure, resilient, scalable, and standardized network security services.

Core Competencies

• Expert-level experience in enterprise network security and firewall technologies within large, global environments.
• Deep hands‑on expertise with Palo Alto Networks NGFW, PAN‑OS, Panorama, Strata Cloud Manager, PA‑Series and VM‑Series.
• Experience with Fortinet FortiGate, Forti Manager, and Forti Analyzer is preferred.
• Strong experience architecting and governing enterprise firewall rule bases, security policies, NAT, segmentation, policy lifecycle, recertification, and rule optimization.
• Deep knowledge of App‑ID, User‑ID, Device‑ID, Security Profiles, SSL/TLS Decryption, Advanced Threat Prevention, IPS, URL Filtering, DNS Security, and WildFire.
• Experience with firewall posture and policy‑management solutions including Palo Alto AIOps/BPA, SCM, Skybox, and Tufin.
• Expertise in high‑availability firewall architectures using Active/Passive, Active/Active, HA clustering, ECMP, VSYS/VDOM, and multi‑tenancy.
• Strong understanding of TCP/IP, Ethernet, BGP, OSPF, EIGRP, IPsec, VLANs, HSRP, QoS, Multicast, ACLs, MPLS, SD‑WAN, and VPN technologies.
• Advanced troubleshooting and packet‑analysis experience using PAN‑OS packet diagnostics, session analysis, global counters, flow diagnostics, and Wireshark.
• Experience with SSE/SASE, Zero Trust, SWG, CASB, ZTNA, DLP, and Remote Browser Isolation, preferably using Prisma Access and Zscaler ZIA/ZPA.
• Experience securing Azure, AWS, and GCP environments using Palo Alto VM‑Series, Cloud NGFW, and cloud‑native controls.
• Experience integrating network security platforms with SIEM/XDR/SOAR solutions including Splunk and Google Chronicle.
• Ability to independently solve complex Layer 3 through Layer 7 security problems and provide technical leadership to other engineers.

Key Responsibilities

1. Firewall Engineering & Architecture Design, implement