Senior Engineer, Control Systems Engineering

The Role: 

Our JangAn, Korea facility is seeking a Senior Engineer, Control Systems Engineering to provide technical leadership for advanced automation systems supporting global manufacturing operations. This SME role drives the design, implementation, and optimization of OT hardware, instrumentation, control networks, and cybersecurity solutions while advancing process technology, automation standards, and strategic initiatives across global sites. 

As a semiconductor manufacturer, we maintain rigorous quality and process control standards, and this role is instrumental in advancing them through process optimization and innovative automation technologies. The position also provides opportunities to develop expertise in Rockwell Automation, Ignition, MES platforms (Critical Manufacturing), statistical process control, and automated process data collection and analytics. 

What You’ll Do: 

• Drive a Safety First culture by conducting behavioral and safety assessments and implementing equipment, automation, and process improvements to mitigate risk. 

• Lead & Support projects to expand manufacturing capacity, transition products to high volume manufacturing, New Product Introductions and continuous improvement opportunities for existing processes and manufacturing sites. 

• Engage cross‑functional stakeholders (Facilities/EHS, Procurement, R&D, Maintenance, Controls, Operations) to lead capital projects from justification through commissioning and qualification 

• Drive implementation of connected manufacturing solutions including IIoT platforms, edge computing, industrial data infrastructure, historian systems, MES, AI/ML applications and vision systems as needed in alignment with Industry 4.0 vision and Divisional standards. 

• Lead specifications, evaluation, and deployment of Automation hardware and software solutions, ensuring alignment with Divisional standards, cybersecurity requirements, and manufacturing objectives. 

• Write, debug, and optimize PLC logic, and HMI/SCADA interfaces. Simulation testing of new automation programs and user acceptance testing in conjunction with cross-functional teams 

• Collaborate with Controls, MES, ERP, and Business Systems teams to integrate production data, automate workflows, improve data visibility, and enable real-time decision-making. 

• Develop business cases, ROI analyses, technology roadmaps, and implementation strategies that support site-specific and enterprise-wide digital manufacturing objectives as needed. 

• Lead internal system commissioning, validation, and acceptance testing  

• Provide leadership and expertise in global automation strategy, standards, and technology advancement. 

• Collaborate with global teams to standardize architecture and engineering practices across sites.  

• Drive Industry 4.0 and Smart manufacturing discussions and collaborative efforts for division and sites 

• Evaluate emerging technologies and industry trends, recommending innovative solutions that improve reliability, scalability, performance, and business value.  

• Develop and maintain a centralized repository of global IACS standards and technical assets, including PLC, HMI, and SCADA source code; equipment and instrument configuration files; I/O databases; instrument specifications; equipment standards; engineering procedures; automation best practices. 

• Provide production support and serve as a subject matter expert and backup resource for site automation teams. 

• Collaborate with site and global teams to resolve complex automation, controls, and integration issues.  

• Provide on-call coverage during resource absences and support escalation of critical production events.  

• Lead root cause analysis and corrective actions for automation-related downtime, quality issues, and system failures. 

• Supply Plant floor support as needed for local sites complex issue resolution needs  

What We Seek: 

• B.S. Engineering (Mechanical, Chemical, Electrical) 

• Minimum 5 years of experience in industrial automation and controls engineering within a manufacturing environment, preferably batch or specialty chemical manufacturing. 

• Experience managing capital and automation projects, including scope, schedule, budget, stakeholder communication and outage planning 

• Expert-level proficiency in PLC programming, HMI/SCADA systems, Variable Frequency Drives and motion control.  

• Experience with industrial communication protocols (e.g., Modbus, DeviceNet, Ethernet/IP (preferred)) 

• Ability to lead design efforts on multiple assignments of varying complexity including implementation of new products & processes, with ability to produce results when facing deadlines or commitments. 

• Knowledge of or experience with AC/DC power distribution, control/pneumatic; cabinet designs and layouts, to include electrical schematics. 

• Demonstrated familiarity with industrial instrumentation and the ability to select and specify devices for production processes, including pressure, vacuum, temperature, level, flow, and weighing systems. 

• Working knowledge of safety systems and hazardous environments 

• Demonstrated troubleshooting skills and root cause identification. 

• Ability to travel (20% - Domestic & International) for site evaluations and commissioning activities 

Outstanding Candidates Will Have: 

• Rockwell suite of applications (Studio5000/FTLinx/PlantPAX) 

• IEC61131-3 Experience with LD, FBD, SFC and ST along with best use case implementation 

• Ignition SCADA - (Python, REST APIs, MQTT & OPC-UA) design and Implementation 

• Critical Manufacturing (MES) - Manufacturing Execution System integration and configuration 

• Industrial Automation Networking - Experience configuring Stratix/Cisco switches. 

• Knowledge of International Standards ISA88 (batch)/ ISA99 (cyber) / ISA95 (enterprise IACS) 

• SQL Database experience (Stored Procedure generation), ODBC connections and transactional Data 

• Experience with and exposure to virtualization technologies and associated implementation techniques 

• Experience with and exposure to Microsoft Defender Antivirus and Application Whitelisting techniques 

• Experience and exposure to Cyber Risk based security solutions (Tenable) and OT remediation action plans. 

What We Offer: 

At Entegris, we invest in providing opportunities for our employees and promote from within. The new hire in this role will have the potential to grow and create relationships across the organization and be recognized for demonstrated success and adherence to company PACE values. 

Our total rewards package goes above and beyond just a paycheck. Whether you’re looking to build your career, improve your health, or protect your wealth, we offer generous benefits to help you achieve your goals. 

• Generous 401(K) plan with an impressive employer match  

• Excellent health, dental and vision insurance packages to fit your needs.  

• 11 paid holidays a year 

• Paid time off (PTO) policy that empowers you to take the time you need to recharge. 

• Education assistance to support your learning journey. 

• Value-driven culture with colleagues that rally around People, Accountability, Creativity and Excellence. 

At Entegris we are committed to providing equal opportunity to all employees and applicants. Our policy is to recruit, hire, train, and reward employees for their individual abilities, achievements and experience without regard to race, color, religion, sexual orientation, age, national origin, disability, marital or military status. 

Entegris strongly encourages all of its employees to be vaccinated against COVID-19. At Entegris, COVID-19 vaccination is preferred but not required at this time.