Applied Materials · 2 weeks ago
Operational Technology (OT) Security Engineer
Santa Clara, CA
Full-time
Onsite
Senior Level
$124K/yr - $171K/yr
7+ years expApplied Materials is a global leader in materials engineering solutions for the semiconductor and display industries. The OT Security Engineer will be responsible for safeguarding industrial control systems and ensuring the security and compliance of OT environments while collaborating with various teams to integrate security practices.
ElectronicsManufacturingSemiconductorSoftware
Responsibilities
Develop secure architectures for OT systems, including ICS, SCADA, PLCs, and HMIs
Conduct design and architecture reviews to ensure compliance with security standards (e.g., ISA/IEC 62443, NIST 800-82)
Implement network segmentation, secure remote access, and least-privilege models across IT/OT boundaries
Drive architectural reviews and influence security strategy across the enterprise
Perform risk assessments and vulnerability analysis for OT environments
Ensure compliance with regulatory frameworks (e.g., RMF, ISO 27001)
Lead vulnerability assessments for PLCs, SCADA, IIoT devices, and industrial networks
Develop proactive remediation strategies aligned with industry frameworks and operational priorities
Integrate threat intelligence into architecture and vulnerability workflows
Partner with engineering, operations, and IT teams to embed security into the system lifecycle
Evaluate emerging technologies and tools to strengthen OT/IoT security posture
Work closely with facilities and lab manufacturing teams to integrate security into operational workflows
Provide guidance and training to lab, manufacturing team personnel on OT security best practices
Qualification
Required
Deep expertise in OT/IoT security architecture and vulnerability management
7–10 years in OT/ICS cybersecurity with proven experience designing secure industrial environments
Strong knowledge of ICS protocols (Modbus, OPC, Ethernet/IP) and industrial control systems
Familiarity with ISA/IEC 62443, Purdue Model, NIST CSF, ISO 27001
Hands-on experience with Armis, Dragos, Claroty, or similar platforms
Preferred
Experience in highly regulated environments (energy, manufacturing, pharma)
Knowledge of threat modeling and penetration testing for OT systems
Familiarity with emerging technologies like IoT in industrial environments
Semiconductor or advanced manufacturing experience
Knowledge of SEMI standards (E187/E188/E191)
Certifications: GICSP, CISSP, or equivalent
Benefits
Comprehensive benefits package
Participation in a bonus and a stock award program
Company
Applied Materials
Applied Materials is a semiconductor and display equipment company that offers materials engineering solutions.
10001+ employees
H1B Sponsorship
Applied Materials has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (435)
2024 (465)
2023 (362)
2022 (429)
2021 (456)
2020 (354)
Funding
Current Stage
Public CompanyTotal Funding
$2.1BKey Investors
Stonnington GroupUS Department of Energy
2025-02-24Post Ipo Debt· $2B
2023-06-27Post Ipo Equity· $0.38M
2022-10-19Grant· $100M
Leadership Team
Omkaram Nalamasu
Senior Vice President and Chief Technology Officer
Tony Chiang, Ph.D
VP, CTO Applied AI
Recent News
Business Standard India
2026-01-06
Company data provided by crunchbase