Air Liquide

Senior Controls Engineer

103 Demi Rd, Mt Bethel, PA 18351

Full-time · $115k–$145k (as posted)

First seen by offpeak October 14, 2026

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R10103212 Senior Controls Engineer (Open)

Location:

Upper Mount Bethel, PA - Advanced materials - UMB

The science of electronics is transforming exponentially through innovation and connectivity around the planet. Every day, breakthroughs are making technologies – from micro-processors, memory chips and flat panels to photovoltaic cells – even smaller and more powerful, opening up countless new possibilities in how the world lives, works and connects. Air Liquide Advanced Materials grows by enabling our customers to innovate. Our ALOHA™ and Voltaix® products are critical to the manufacturer of the newest computer chips required for Big Data and the Internet of Things.

How will you CONTRIBUTE and GROW?

The Senior Controls Engineer will be responsible for applying engineering principles independently to all aspects of design, programming, installation, startup, and troubleshooting of automated industrial control systems.

The Engineer will have deep and broad competency in process automation of chemical plants using DCS, PLC, SCADA, etc. systems. Candidate should have working knowledge of Layers of Protection Analysis and designing and implementing systems with appropriate SILs. The candidate preferably has experience in manufacture or use of ultrahigh purity materials supplied to the semiconductor industry.

Air Liquide is Hiring for a Senior Controls Engineer!

We are looking for YOU!

Salary Range $115k - $145k

Bonus: 10% Annual

Travel: <5% domestic and international travel based on business needs

Work schedule: Hybrid 3 - 2

Responsibilities include but are not limited to:

Drives a culture of "Do It Safe, Do It Right the First Time" with their actions and their words on a daily basis
Capable of developing, implementing and supporting plant control system hardware, software and field instrumentation in an efficient and safe manner.
Effective at troubleshooting control system hardware and software and implementing corrective actions independently.
Actively participates in Design Reviews and PHAs as a team member or leader
PLC, DCS and SCADA control system configuration and programming
Working with highly hazardous chemicals at a manufacturing facility
Responsible for establishing engineering design basis, and assisting with design documentation (e.g. PFDs, PIDs, equipment and instrument specification sheet, process package, MOC, interlock matrix, functional design specification) for both new and existing facilities while following department standards
Capable of assisting with loop tests, and interlock tests performed for new processes and for yearly ISO testing for calibration and interlock checks
Successfully completes all assigned trainings
Deep understanding of electrical distribution and power loading in industrial control systems
Complete all assigned tasks
Support new process startup - shift work may be required
On call for nights, weekends, and holidays

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Are you a MATCH?

Required

Bachelor's degree in chemical, mechanical, or electrical engineering, or equivalent
10+ years of relevant experience, including programming PLC/DCS for chemical plant design and operation as well as process data collection and distribution for wider corporate use
Knowledge and experience of instrument engineering
Candidate should have knowledge of applicable codes and standards for process control hardware and software (e.g. UL listing, NEC, etc.) as applied to hazardous materials handling and manufacture
Experience with Siemens automation systems hardware and software
Experience with Allen-Bradley ControlLogix hardware and software
Ability to develop and interpret electrical schematics
Experience with developing and deploying ethernet based industrial networks
<5% domestic and international travel for commissioning and support

Preferred

Experience with Siemens PCS 7 DCS.
Experience with Rockwell StudioLogix, LogixDesigner5000, FactoryTalk View SE & ME, FactoryTalk Historian
Experience with Siemens TIA Portal
Experience with Intouch
Experience in a rapid-growth environment
Trained in standard procedures for safe gas and chemical handling
Chemical plant operation experience strongly preferred
Strong organizational and planning skills with the ability to multi-task
Team player with leadership abilities.
Self-starter with the ability to perform well under pressure and continuously changing priorities
Problem solving and decision making skills
Excellent verbal and written communication skills

Our Differences make our Performance

At Air Liquide, we are committed to build a diverse and inclusive workplace that embraces the diversity of our employees, our customers, patients, community stakeholders and cultures across the world.

We welcome and consider applications from all qualified applicants, regardless of their background. We strongly believe a diverse organization opens up opportunities for people to express their talent, both individually and collectively and it helps foster our ability to innovate by living our fundamentals, acting for our success and creating an engaging environment in a changing world.