Operational Technology Technician (Night Shift)

Lonza•Houston, TX

10d•Onsite

About The Position

The Operational Technology Technician performs maintenance, troubleshooting, repair, modifications, and upgrades for industrial control systems and associated instrumentation. The role responds to operational technology incidents and alarms during the night shift to minimize downtime and production impact. Working with engineering guidance and collaborating with engineering, production, and IT teams, the technician helps resolve recurring issues and improve systems. The position also supports calibration and verification of critical process instrumentation and maintains accurate documentation of maintenance activities, repairs, and system changes. The technician must follow safety regulations, company policies, and quality standards, and participate in an on-call rotation as required. The role is based in Houston, Texas. Lonza describes its workplace as inclusive and ethical, with a dynamic working culture and compensation programs that recognize high performance. Benefits vary by role and location.

Requirements

Communicate orally and in writing in a professional manner.
Be highly organized and able to multitask.
Problem-solve in a fast-paced environment.
Work within a team and cross-functionally.
Manage multiple priorities and achieve results.
Occasionally complete assignments under tight timelines and work under pressure.
Use SAP, Microsoft Excel, and inventory tracking systems.

Responsibilities

Perform preventative maintenance, troubleshooting, and repair of industrial control systems, including PLCs, SCADA systems, HMIs, and associated instrumentation.
Respond to and resolve operational technology incidents and alarms during the night shift, minimizing downtime and production impact.
Execute control-system and software modifications and upgrades under engineering guidance.
Document maintenance activities, repairs, and system changes accurately and thoroughly.
Collaborate with engineering, production, and IT teams to address recurring issues and implement system improvements.
Assist in calibrating and verifying critical process instrumentation.
Ensure compliance with safety regulations, company policies, and quality standards.
Participate in an on-call rotation as required.