Night Shift OT Technician — PLC/SCADA Systems

Lonza; Houston (TX); On-site; Confidential; Full time

Benefits offered by this job

Dynamic culture

Inclusive workplace

Performance-based benefits

Location-based benefits

Job summary

Lonza in Houston, TX is seeking an Operational Technology Technician to perform preventative maintenance, troubleshooting, and repair of industrial control systems on the night shift. You will respond to OT incidents, implement upgrades, and document changes to ensure uptime and process integrity.

You will collaborate with engineering, production and IT to drive improvements, calibrate instrumentation, and maintain safety and quality compliance across facilities.

Qualifications

• Experience with industrial control systems, PLCs, SCADA, and HMIs.
• Ability to work night shift and respond to incidents.
• Strong documentation of maintenance activities.
• Collaborate with engineering, production and IT teams.
• Familiar with SAP, Excel and inventory systems.

Responsibilities

• Perform preventative maintenance, troubleshooting, and repair of industrial control systems.
• Respond to OT incidents and alarms during the night shift.
• Execute modifications and upgrades to control systems and software under engineering guidance.
• Document maintenance activities and system changes accurately and thoroughly.
• Collaborate with engineering, production and IT teams to identify and implement improvements.
• Assist in calibration and verification of critical process instrumentation.
• Ensure compliance with safety regulations, policies and quality standards.
• Participate in on-call rotation as required.

Skills

Communication

Problem solving

Teamwork

Multitasking

SAP

MS Excel

Inventory systems

Tools

SAP

Microsoft Excel

Inventory tracking systems

Job description

Lonza in Houston, TX is seeking an Operational Technology Technician to perform preventative maintenance, troubleshooting, and repair of industrial control systems on the night shift. You will respond to OT incidents, implement upgrades, and document changes to ensure uptime and process integrity.

You will collaborate with engineering, production and IT to drive improvements, calibrate instrumentation, and maintain safety and quality compliance across facilities.