Operational Technology Ot Security Engineer jobs at Applied Materials

Role Responsibilities:

• Collaborate with Senior Field Service Engineers [Customer Engineers] in installing, maintaining, and upgrading customer equipment

• Use digital analytics for troubleshooting

• Apply basic diagnostic techniques to assess equipment and address technical issues, with guidance from Senior Field Service Engineers [Customer Engineers]

• Perform preventative and corrective maintenance on electrical, vacuum, mechanical, plasma, hydraulic, and gas systems (training provided)

• Coordinate and communicate directly with customers

• Fulfill additional duties, as assigned

Minimum Qualifications:

• Completion of an Associate degree, military technical training, field service experience, or trade certification

• 1–2 years of work experience in customer/field service support, or a related technical field

• Ability to read and interpret electrical and mechanical schematics

• Experience diagnosing and resolving basic technical challenges

• Basic mechanical aptitude with pneumatics, hydraulics, electronics, vacuum, or thermodynamics

• Familiarity with hand tools and their appropriate usage, including digital multimeters

• Effective written and verbal communication skills

• Basic knowledge of Microsoft Excel, Word, and PowerPoint

• Possession of a valid driver’s license and the ability to obtain a passport, if travel is required.

• Able to meet all on-site requirements, including safety, environmental guidelines, and COVID-19 protocols

Preferred Qualifications:

• 2–4 years of work experience in customer/field service support, or a related technical field

This position often requires extensive walking, standing for extended periods of time, working in tight spaces, bending, squatting, twisting, kneeling, reaching, climbing stairs and ladders, working at height, lifting up to 35 lbs., the ability to distinguish between colors and working with electricity, the ability to work in an environment with noise that may be difficult for some individuals with sensitivity to noise, and the use of hand and power tools. Additionally, because this position generally involves working in a clean room, it requires the use of appropriate Personal Protective Equipment such as coveralls, hoods, booties, safety glasses, gloves, respirators, chemical aprons, and face shields.

Key Responsibilities

Performs all standard service activities through Tier I unassisted. Performs standard Tier II with assistance. Able to perform routine preventative maintenance within established timeframes. Completes quality repairs.

Responds to fab issues by communicating with other engineers and participating in escalation conference calls. May participate in projects to reduce costs and increase uptime.

Verifies operational quality of system equipment. Assists senior engineers as needed.

Applies diagnostic techniques and use of documentation and test equipment with assistance from senior engineers. Ability to diagnose and resolve technical problems. Uses training and experience to identify some process, software or hardware related system problems.

Complies with all safety procedures and consistently demonstrates safety as a value.

Functional Knowledge

• Has established skills to perform a range of day-to-day activities

Business Expertise

• Understands how the assigned duties relate to others in the team and how the team integrates with others in the discipline
• Assumes responsibility for full customer satisfaction assuring excellent relations within assigned area

Leadership

• Has no supervisory responsibilities; manages own workload

Problem Solving

• Recognizes and solves typical problems that can occur in own work area without supervisory approval; evaluates and selects solutions from established options

Impact

• Impacts own team through the quality of the services or information provided; follows standardized procedures and practices and receives regular but moderate supervision and guidance

Interpersonal Skills

• Uses communication skills to exchange information

About the Role

This is not just another security role—it’s a chance to. You’ll combinewith
strategic architectural vision, ensuring our industrial ecosystems remain secure, compliant, and future-ready.

The OT Security Engineer is responsible for safeguarding industrial control systems (ICS), SCADA environments, and other OT assets against cyber threats. This role ensures the confidentiality, integrity, and availability of critical infrastructure systems while maintaining operational functionality. The engineer integrates cybersecurity best practices into OT environments, balancing security with operational requirements

Security Architecture & Design

• 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

Risk Management & Compliance

• Perform risk assessments and vulnerability analysis for OT environments.
• Ensure compliance with regulatory frameworks (e.g., RMF, ISO 27001).

Advanced Vulnerability Management

• 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.

Innovation & Collaboration

• 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

What We’re Looking For

• 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 Qualifications

• 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.

Soft Skills:

• Strong communication skills for cross-functional collaboration.
• Ability to translate technical security concepts for non-technical stakeholders.

Key Responsibilities

Define novel inspection systems concepts and configurations. Collects, analyzes data and designs statistically valid experiments.

Designs and engineers modules. Qualifies modules / sub-modules. Design, perform, collect and analyze data on advanced substrate, technologies and concepts for a range of new products.

Develop new or modified inspection and metrology systems. Performs research and analysis in physics or related subjects. Supports physics related application and system issues in the lab and in the field when required.

Define system requirements and specifications. Troubleshoot system problems. Respond to field physics related issues, function as advisor for solving physics related application issues.

Plan projects involving definitions and selection of new concepts and approaches in the physics of development of new or improved tool. Supplies data to support product risk management decision making process.

Guide less experiencedphysicists/scientists.

Functional Knowledge

• Demonstrates conceptual and practical expertise in own discipline and basic knowledge of related disciplines

Business Expertise

• Has knowledge of best practices and how own area integrates with others; is aware of the competition and the factors that differentiate them in the market

Leadership

• Acts as a resource for colleagues with less experience; may lead small projects with manageable risks and resource requirements

Problem Solving

• Solves complex problems; takes a new perspective on existing solutions; exercises judgment based on the analysis of multiple sources of information

Impact

• Impacts a range of customer, operational, project or service activities within own team and other related teams; works within broad guidelines and policies

Interpersonal Skills

• Explains difficult or sensitive information; works to build consensus

Skills/Experience

• Cognizant of safety and able to design test equipment with safety first in mind.
• Ability to read engineering drawings & perform test fixtures design and develop engineering drawings user manuals for the automated test equipment.
• Automated test equipment development and experience knowledgeable of electromechanical assemblies and sensor technologies (vacuum sensors, accelerometers, thermocouple etc.)
• Data acquisition hardware & software expertise. Ability to understand and write code (C, C#) is a plus
• Excellent organizational, interpersonal & communication skills. Pays attention to details able to work in lab environment.
• Able to work independently and in team environment with limited supervision.
• Ability to troubleshoot electronics and electro-mechanical systems, experimental design circuitry, prototype, tools and test fixtures.
• Provide test fixture support on all installed base test fixtures
• Collaborate with new product engineers, capture test requirements, good communication skills and excellent customer service.
• Knowledgeable in AMAT vacuum Robots, COBOTs and industrial automation.

Key Responsibilities

• Provide TF sustaining support for deployed fixtures to ensure minimal down time and customer impact.Coordinates/Performstest fixture PM and Calibration activities as scheduled and follows-up on OOT issues as required.
• Interfaces with other test engineers and BU customers to coordinate the deployment of new test fixtures. Begin evaluating, designing and project managing own test fixture projects and solicit assistance as needed. Documents and tracks deployment issues to closure and initiates appropriate engineering change request as required.
• Uses basic engineering and DFx principles to estimate and reduce test fixture development costs and improve delivered fixture quality;
• Develops and uses test procedures. Assists with the definition of test specifications with design, software, and manufacturing engineering. May assist in the coordination and/or execution of test fixture sourcing activities.
• Gathers operational and test data and evaluates results; may takecorrective/continuousimprovement actions.
• Evaluates work methods, procedures and policies. Participates in the development and maintenance of new and existing business processes; updates as necessary to ensure current practices are documented.
• Determines root cause and corrective action analysis for issues that arise during design and deployment of test fixtures and provides failure analysis report as required.
• Performs Process Failure Mode, Effects and Criticality Analysis when working with New Product/Fixture Development.

Functional Knowledge

• Demonstrates expanded conceptual knowledge in own discipline and broadens capabilities

Business Expertise

• Understands key business drivers; uses this understanding to accomplish own work

Leadership

• No supervisory responsibilities but provides informal guidance to new team members

Problem Solving

• Solves problems in straightforward situations; analyzes possible solutions using technical experience and judgment and precedents

Impact

• Impacts quality of own work and the work of others on the team; works within guidelines and policies

Interpersonal Skills

• Explains complex information to others in straightforward situations