Operational Technology Technician (Night Shift)

Lonza Group Ltd.; Houston (TX); On-site; USD 70,000 - 95,000; Full time

Job summary

Lonza Group Ltd. in Houston, TX is seeking an Operational Technology Technician for night shift to maintain and repair industrial control systems, including PLCs, SCADA, HMIs and instrumentation.

You will diagnose incidents, perform system upgrades under engineering guidance, document activities, collaborate with engineering, production and IT, and participate in on-call rotation while ensuring safety and quality standards.

Qualifications

• Experience with industrial control systems preferred.
• Strong problem-solving and troubleshooting skills.
• Ability to read electrical schematics and diagrams.
• Willingness to work night shifts and weekends if needed.

Responsibilities

• Perform preventative maintenance, troubleshooting, and repair of PLC/SCADA/HMI systems and related instrumentation.
• Respond to OT incidents and alarms during night shift to minimize downtime.
• Implement modifications and upgrades to control systems under engineering guidance.
• Document maintenance activities, repairs, and system changes accurately.
• Collaborate with engineering, production, and IT to resolve recurring issues.
• Assist in calibration and verification of critical process instrumentation.
• Ensure safety, quality standards, and compliance with policies.
• Participate in on-call rotation as required.

Skills

SAP

Microsoft Excel

Inventory Tracking System(s)

Tools

PLC

SCADA systems

HMIs

Job description

Operational Technology Technician (Night Shift) – Houston, TX

The actual location of this job is in Houston TX, US.

What you will get:

• An agile career and dynamic working culture.
• An inclusive and ethical workplace.
• Compensation programs that recognize high performance.
• A variety of benefits dependent on role and location.
• The full list of our global benefits can be found here: https://www.lonza.com/careers/benefits.

What you will do:

• 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 modifications and upgrades to control systems and software under engineering guidance.
• Document all maintenance activities, repairs, and system changes accurately and thoroughly.
• Collaborate with engineering, production, and IT teams to identify and implement solutions for recurring issues and system improvements.
• Assist in the calibration and verification of critical process instrumentation.
• Ensure compliance with all safety regulations, company policies, and quality standards.
• Participate in on-call rotation as required.

What we are looking for:

• Able to communicate orally and written in a professional manor, highly organized and able to multi-task.
• Ability to problem solve in a fast-paced environment.
• Ability to work within a team and cross-functionally.
• Ability to manage multiple priorities and achieve results.
• Occasionally required to complete assignments under tight timelines and work under pressure.
• SAP, Microsoft Excel, Inventory Tracking System(s)

About Lonza

At Lonza, our people are our greatest strength. With 30+ sites across five continents, our globally connected teams work together every day to manufacture the medicines of tomorrow. Our core values of Collaboration, Accountability, Excellence, Passion and Integrity reflect who we are and how we work together. Everyone's ideas, big or small, have the potential to improve millions of lives, and that's the kind of work we want you to be part of. Innovation thrives when people from all backgrounds bring their unique perspectives to the table. At Lonza, we value diversity and are committed to creating an inclusive environment for all employees. If you're ready to help turn our customers' breakthrough ideas into viable therapies, we look forward to welcoming you on board. Every day, our teams across the world work together to turn scientific breakthroughs into life-changing medicines that reach up to 100 million patients a year. Lonza is a place where people can make a unique impact, grow their careers and belong.

You will feel at home at Lonza if you:

• Take ownership, step forward, and enjoy meaningful responsibility
• Love solving problems and thrive in a complex, fast-moving environment
• Are curious, always looking to learn and improve
• Work collaboratively, contributing to something bigger than yourself
• Are motivated to make a difference through work that impacts customers and their patients

Why Lonza

We are a place of unique opportunity, where your ideas, expertise and ambition can make a real difference. Here, will have the freedom to grow, the support to succeed and the chance to contribute to work that matters. We are the makers of the medicines of tomorrow. Join us. Be you.