Senior DCS & PLC Automation Engineer

MGC Pure Chemicals America, Inc.; Mesa (AZ); On-site; USD 110,000 - 150,000; Full time

Job summary

MGC Pure Chemicals America, Inc. seeks an experienced Yokogawa DCS/SCADA/PLC Engineer to design, implement, and optimize automation for its process operations.

The role emphasizes CENTUM VP, FAST/TOOLS, PLC programming, HMI, and industrial networking in a continuous manufacturing environment. You will support reliability, safety, cybersecurity, MOC/PSM/HAZOP processes, and digitalization initiatives, coordinating with operations, maintenance, and E&I teams while ensuring compliance with company

Qualifications

• Bachelor's degree in Electrical/Automation Engineering or related technical field.
• 5+ years in industrial automation & process control engineering.
• Hands‑on with Yokogawa DCS CENTUM VP.
• Experience with PLC systems: Allen-Bradley, Siemens, Schneider, Mitsubishi.
• Experience with SCADA/HMI systems and industrial networking.
• Strong troubleshooting and root cause analysis.
• Knowledge of ISA standards, PSM requirements, and industrial cybersecurity.
• Ability to read P&IDs, electrical drawings, loop diagrams, and control narratives.
• Strong communication and project coordination skills.
• Ability to support off hours troubleshooting when required.

Responsibilities

• Design, configure, maintain, and troubleshoot Yokogawa DCS systems including CENTUM VP, FAST/TOOLS, or related platforms.
• Develop, modify, and maintain PLC logic, HMI graphics, and SCADA applications.
• Support plant operations by responding to automation and controls issues in a timely manner.
• Execute automation projects including system upgrades, migrations, loop tuning, and control strategy improvements.
• Develop and maintain control narratives, cause & effect matrices, P&IDs, functional design specifications, and loop drawings.
• Perform FAT, SAT, commissioning, startup, and validation activities for automation systems.
• Configure industrial communication protocols such as Modbus TCP/IP, Ethernet/IP, OPC, Profibus, and Foundation Fieldbus.
• Collaborate with operations, maintenance, process engineering, and E&I teams to improve plant reliability and performance.
• Support alarm management, historian systems, and data integration initiatives.
• Maintain system backups, cybersecurity compliance, and disaster recovery procedures.
• Participate in MOC (Management of Change), PSSR, HAZOP, and process safety activities.
• Provide technical support during plant shutdowns, turnarounds, and emergency troubleshooting.
• Develop preventive maintenance strategies for automation hardware and software.
• Train operations and maintenance personnel on automation system functionality and best practices.
• Support continuous improvement and digitalization initiatives including AI, analytics, and smart manufacturing applications.

Skills

Yokogawa DCS

SCADA

PLC programming

Industrial networking

Troubleshooting

P&ID reading

ISA standards

PSM requirements

Cybersecurity practices

Project coordination

Education

Bachelor’s degree in Electrical/Automation Engineering

Tools

FAST/TOOLS SCADA

HMI Development

Historian Systems

Industrial Ethernet Networks

Job description

MGC Pure Chemicals America, Inc. seeks an experienced Yokogawa DCS/SCADA/PLC Engineer to design, implement, and optimize automation for its process operations.

The role emphasizes CENTUM VP, FAST/TOOLS, PLC programming, HMI, and industrial networking in a continuous manufacturing environment. You will support reliability, safety, cybersecurity, MOC/PSM/HAZOP processes, and digitalization initiatives, coordinating with operations, maintenance, and E&I teams while ensuring compliance with company