Network Security Manager

Company Overview
KLA is a global leader in diversified electronics for the semiconductor manufacturing ecosystem. Virtually every electronic device in the world is produced using our technologies. No laptop, smartphone, wearable device, voice-controlled gadget, flexible screen, VR device or smart car would have made it into your hands without us. KLA invents systems and solutions for the manufacturing of wafers and reticles, integrated circuits, packaging, printed circuit boards and flat panel displays. The innovative ideas and devices that are advancing humanity all begin with inspiration, research and development. KLA focuses more than average on innovation and we invest 15% of sales back into R&D. Our expert teams of physicists, engineers, data scientists and problem-solvers work together with the world's leading technology providers to accelerate the delivery of tomorrow's electronic devices. Life here is exciting and our teams thrive on tackling really hard problems. There is never a dull moment with us.

Group/Division
The Information Technology (IT) group at KLA is involved in every aspect of the global business. IT's mission is to enable business growth and productivity by connecting people, process, and technology. It focuses not only on enhancing the technology that enables our business to thrive but also on how employees use and are empowered by technology. This integrated approach to customer service, creativity and technological excellence enables employee productivity, business analytics, and process excellence.

Job Description/Preferred Qualifications

We are seeking a Network Security Manager to lead the design, implementation, and operational excellence of enterprise network and security solutions. This role combines hands-on technical leadership with people and project management, focusing on next-generation firewalls, SASE architectures, and modern enterprise networking. The ideal candidate has deep experience with Palo Alto Networks, Zscaler SASE, and large-scale network environments, and can translate business needs into secure, scalable technical solutions.

Key Responsibilities:

Technical Leadership

• Lead and manage enterprise network security architecture across on-prem, cloud, and remote environments
• Lead the architecture, deployment, and optimization of network security solutions using Palo Alto Networks (NGFW, Panorama, Prisma) and Zscaler SASE (ZIA, ZPA, ZDX).
• Design and manage secure enterprise network architectures including LAN, WAN, SD-WAN, cloud, and hybrid environments.
• Drive Zero Trust and SASE strategies, aligning security controls with business and user experience requirements.
• Oversee firewall policy design, threat prevention, URL filtering, VPNs, and secure remote access solutions.
• Ensure secure integration with cloud platforms (AWS, Azure, Google Cloud Platform) and SaaS applications.

Operations & Security

• Own day-to-day network security operations, including incident response, troubleshooting, root cause analysis, and continuous improvement.
• Partner with SOC, IAM, and cloud teams to ensure cohesive security posture.
• Establish and maintain security standards, best practices, and documentation.
• Ensure compliance with internal policies and external regulatory requirements (e.g., ISO, SOC2, NIST).

People & Project Management

• Manage and mentor a team of network and security engineers, providing technical guidance and career development.
• Lead security-related projects from planning to execution, including vendor coordination and stakeholder communication.
• Prioritize workstreams, manage budgets, and track deliverables across multiple initiatives.

Stakeholder Collaboration

• Act as a trusted advisor to IT leadership, application teams, and business stakeholders.
• Communicate complex technical concepts clearly to non-technical audiences.
• Evaluate emerging security technologies and make recommendations for adoption.

Minimum Qualifications

• Bachelor's degree in computer science, Information Security, or related field (or equivalent experience).
• 10+ years of experience in networking and network security, with at least 4+ years in atechnical lead or management role.
• Strong hands-on experience with:
  
  • Palo Alto Networks (NGFW, Panorama, Threat Prevention, Global Protect)
  • Zscaler SASE (ZIA, ZPA; ZDX preferred)
  • Enterprise routing and switching (BGP, OSPF, VLANs, TCP/IP)
• Proven experience designing and supporting large-scale, highly available network environments.

Preferred Qualifications

• Experience with SD-WAN solutions (Prisma SD-WAN, Cisco, Fortinet, etc.).
• Cloud networking and security experience (AWS/Azure networking, security groups, transit gateways).
• Certifications such as PCNSE, PCNSA, Zscaler certifications, CCNP, and CISSP.
• Experience implementing Zero Trust architectures.
• Prior experience in regulated or large enterprise environments.

Key Skills

• Network Security Architecture
• SASE / Zero Trust
• Firewall & Policy Management
• Cloud & Hybrid Networking
• Team Leadership & Mentorship
• Incident Response & Troubleshooting
• Vendor & Stakeholder Management

Base Pay Range: $151,900.00 - $258,200.00 Annually

Primary Location: USA-CA-Milpitas-KLA

KLA's total rewards package for employees may also include participation in performance incentive programs and eligibility for additional benefits including but not limited to: medical, dental, vision, life, and other voluntary benefits, 401(K) including company matching, employee stock purchase program (ESPP), student debt assistance, tuition reimbursement program, development and career growth opportunities and programs, financial planning benefits, wellness benefits including an employee assistance program (EAP), paid time off and paid company holidays, and family care and bonding leave.

Interns are eligible for some of the benefits listed. Our pay ranges are determined by role, level, and location. The range displayed reflects the pay for this position in the primary location identified in this posting. Actual pay depends on several factors, including state minimum pay wage rates, location, job-related skills, experience, and relevant education level or training. We are committed to complying with all applicable federal and state minimum wage requirements where applicable. If applicable, your recruiter can share more about the specific pay range for your preferred location during the hiring process.

KLA is proud to be an Equal Opportunity Employer. We will ensure that qualified individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us at or at +1- to request accommodation.

Be aware of potentially fraudulent job postings or suspicious recruiting activity by persons that are currently posing as KLA employees. KLA never asks for any financial compensation to be considered for an interview, to become an employee, or for equipment. Further, KLA does not work with any recruiters or third parties who charge such fees either directly or on behalf of KLA. Please ensure that you have searched KLA's Careers website for legitimate job postings. KLA follows a recruiting process that involves multiple interviews in person or on video conferencing with our hiring managers. If you are concerned that a communication, an interview, an offer of employment, or that an employee is not legitimate, please send an email to to confirm the person you are communicating with is an employee. We take your privacy very seriously and confidentially handle your information.