Controls Engineer: 24/7 Plant Automation & SCADA

Nippon Sanso Matheson, Inc.; Irving (TX); On-site; USD 120,000 - 140,000; Full time

Job summary

Nippon Sanso Matheson, Inc. in Irving, TX seeks a skilled Controls Engineer to support automation and control systems across air separation plants. You will diagnose issues, optimize uptime, and implement safe modifications following regulatory standards.

Responsibilities include PLC/SCADA programming, interpreting wiring diagrams, following MOC protocols, validating state of control systems, and leading CAPAs. 24/7 operations and field coverage may apply.

Qualifications

• Bachelor’s degree in Engineering (ABET-accredited) or 10 years of equivalent control systems experience.
• 5 years with degree, 10 years without in control systems programming, industrial automation, or OT within a continuous-process manufacturing environment.
• 1+ year hands-on experience with air separation units (ASUs) or similar highly continuous cryogenic/chemical processes including compressors and distillation columns.
• 1+ year experience with MOC or validated control protocols (FDA/medical-grade) preferred.

Responsibilities

• Provide 24/7 technical assistance for control systems to minimize downtime.
• Update PLC/SCADA programming updates and logic modifications per standards.
• Interpret and modify PLC wiring diagrams, P&IDs, control narratives, and logic diagrams.
• Follow strict MOC protocols with risk assessments and documentation prior to deployment.
• Maintain validated state of plant control systems by executing test plans and ensuring all changes comply with regulations.
• Lead root-cause investigations into control system failures or anomalies and implement CAPAs.
• Monitor OT assets ensuring high availability of SCADA terminals and basic cybersecurity procedures.
• Collaborate with plant operations, safety, quality, and corporate engineering to resolve issues.

Skills

Siemens SIMATIC S7

SIMATIC S5/CTI

Allen-Bradley

Ladder logic

Structured text

VBScript

Ignition

WinCC

OPC UA

MODBUS RTU/TCP

PROFINET

MOC processes

IQ/OQ/PQ validation

ASU equipment

Education

ABET-accredited degree

10 years equivalent experience

Tools

HVAC tools

Job description

Nippon Sanso Matheson, Inc. in Irving, TX seeks a skilled Controls Engineer to support automation and control systems across air separation plants. You will diagnose issues, optimize uptime, and implement safe modifications following regulatory standards.

Responsibilities include PLC/SCADA programming, interpreting wiring diagrams, following MOC protocols, validating state of control systems, and leading CAPAs. 24/7 operations and field coverage may apply.