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Air Separation Unit Operator Jobs (NOW HIRING)

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WI · On-site

Experience operating and troubleshooting control systems required for remote operations * Experience commissioning and or plant operation (liquified natural gas, air separation unit) * Able to work ...

Air Liquide

Production Technician

Port Allen, LA · On-site

$16.50 - $20.75/hr

... shut-down Air Separation Unit, Nitrogen Generators and High Purity Oxygen compressors. The ... Perform all work in compliance with standard operating and maintenance procedures, utilizing ...

Airgas

Plant Maintenance Technician

Anchorage, AK · On-site

$22.50 - $30.50/hr

... team with all Air Separation Unit (ASU) plant starts, shutdowns, and outage repair work. The ... Collaborates on on-call responsibilities with other operators to facilitate uninterrupted plant ...

Air Liquide

Production Technician

Port Allen, LA

$16.50 - $20.75/hr

... shut-down Air Separation Unit, Nitrogen Generators and High Purity Oxygen compressors. The ... Perform all work in compliance with standard operating and maintenance procedures, utilizing ...

Air Liquide

Production Technician

Port Allen, LA · On-site

$16.50 - $20.75/hr

... shut-down Air Separation Unit, Nitrogen Generators and High Purity Oxygen compressors. The ... Perform all work in compliance with standard operating and maintenance procedures, utilizing ...

Air Liquide

Production Technician

Port Allen, LA · On-site

$16.50 - $20.75/hr

... shut-down Air Separation Unit, Nitrogen Generators and High Purity Oxygen compressors. The ... Perform all work in compliance with standard operating and maintenance procedures, utilizing ...

Airliquidehr

Plant Maintenance Technician

Anchorage, AK · On-site

$22.50 - $30.50/hr

... team with all Air Separation Unit (ASU) plant starts, shutdowns, and outage repair work. The ... Collaborates on on-call responsibilities with other operators to facilitate uninterrupted plant ...

Airgas

Plant Maintenance Technician

Anchorage, AK · On-site

$22.50 - $30.50/hr

... team with all Air Separation Unit (ASU) plant starts, shutdowns, and outage repair work. The ... Collaborates on on-call responsibilities with other operators to facilitate uninterrupted plant ...

Linde

Senior OES Process Engineer

Deer Park, TX · On-site

$108K - $158K/yr

Utilize process models, historical operating data, statistical analysis tools, and simulation ... More than ten (10+) years of experience in the Air Separation Unit (ASU) industry required * Proven ...

Airgas

Plant Technician Operator

Chester, VA · On-site

$26 - $30/hr

R10093772 Plant Technician Operator (Open) Location: Chester, VA - ASU How will you CONTRIBUTE and ... Air Separation Plant or related industrial experience would be a valuable addition to the team.

Linde plc

Senior OES Process Engineer

The Woodlands, TX · On-site

$108K - $158K/yr

Utilize process models, historical operating data, statistical analysis tools, and simulation ... Air Separation Unit (ASU) industry required. * Proven experience with air separation plant ...

Air Liquide

I&E Technician

Ingleside, TX

Air Liquide is seeking a qualified Instrumentation & Electrical (I&E) Technician to join our team at the Air Separation Unit (ASU) plant. The I&E Technician is responsible for maintaining ...

Airliquidehr

Plant Technician Operator

Chester, VA · On-site

$26 - $30/hr

R10093772 Plant Technician Operator (Open) Location: Chester, VA - ASU How will you CONTRIBUTE and ... Air Separation Plant or related industrial experience would be a valuable addition to the team.

InvestedintheMission

WI · On-site

Experience operating and troubleshooting control systems required for remote operations * Experience commissioning and/or plant operation (liquefied natural gas, air separation unit) * Able to work ...

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Air Separation Unit Operator information

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How much do air separation unit operator jobs pay per hour?

As of Sep 9, 2026, the average hourly pay for air separation unit operator in the United States is $21.23, according to ZipRecruiter salary data. Most workers in this role earn between $16.59 and $26.68 per hour, depending on experience, location, and employer.

What does an air separation unit operator do?

An Air Separation Unit (ASU) Operator is responsible for operating and maintaining equipment that separates atmospheric air into its primary components—mainly oxygen, nitrogen, and argon—using processes such as cryogenic distillation. They monitor control panels, adjust valves, and ensure the plant runs safely and efficiently. Operators also perform routine checks, troubleshoot issues, and maintain equipment to minimize downtime and ensure product quality. This role is vital in industries like steel manufacturing, chemical processing, and healthcare, where purified gases are essential.

What are some common challenges faced by air separation unit operators during shift operations?

Air Separation Unit Operators often encounter challenges such as maintaining consistent product purity, responding quickly to equipment alarms, and troubleshooting process upsets or deviations. The role requires careful monitoring of complex control systems and coordination with maintenance teams to minimize downtime. Operators must also be vigilant in adhering to safety protocols, given the high pressures and hazardous materials involved in the process.

What are the key skills and qualifications needed to thrive as an air separation unit operator, and why are they important?

To thrive as an Air Separation Unit Operator, you need a solid understanding of industrial process operations, mechanical aptitude, and typically a high school diploma or technical certification. Experience with distributed control systems (DCS), process instrumentation, and safety procedures is highly valuable. Attention to detail, strong problem-solving abilities, and effective teamwork are crucial soft skills in this role. These competencies ensure safe, efficient, and continuous operation of air separation units, minimizing downtime and maintaining product quality.

What cities are hiring for Air Separation Unit Operator jobs?

Cities with the most Air Separation Unit Operator job openings:

What states have the most Air Separation Unit Operator jobs?

States with the most job openings for Air Separation Unit Operator jobs include:

What are popular job titles related to Air Separation Unit Operator jobs?

For Air Separation Unit Operator jobs, the most frequently searched job titles are:

Infographic showing various Air Separation Unit Operator job openings in the United States as of August 2026, with employment types broken down into 2% As Needed, 79% Full Time, 11% Part Time, and 8% Contract. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $44,153 per year, or $21.2 per hour.

Senior Control Systems Engineer

Irving, TX

Matheson Tri-Gas, Inc.
See more jobs at Matheson Tri-Gas, Inc.external

$155K - $160K/yr

Full-time

Posted 13 days ago

Matheson rating

8.0

Company rating: 8.0 out of 10

Based on 47 frontline employees who took The Breakroom Quiz

33rd of 87 rated oil and gas companies

Job description

JOB SUMMARY

Nippon Sanso Matheson (NSM) is looking for (1) senior-level Control Systems Integrator to fill a full-time position. The ideal candidate will work with the Control Systems Manager to develop PLC and HMI software for new Air Separation Unit (ASU) plant control systems within the company as assigned, ensure assignments are completed within budget and on schedule, and communicate effectively with team members on project status and needs.



Essential Functions

KEY DUTIES & RESPONSIBILITIES:

Complete PLC programming for new ASU plant control systems accurately and in a timely manner.

Complete integration of plant equipment (SCADA, low and medium voltage electrical systems, analyzers and sampling systems, etc.) into new ASU plant control systems accurately and in a timely manner.

Provide commissioning, maintenance, and troubleshooting support of all control systems hardware and software throughout on-site ASU plant start-up, and otherwise as needed.

Proactively coordinate with project managers, vendor engineers, field technicians, and contractors throughout the engineering, commissioning, and start-up phases of new ASU plants.

Assist with FAT (factory acceptance testing) and SAT (site acceptance testing) of all control systems hardware and software for new ASU plants. 

Assist the Control Systems Manager in the development of programming standards and library functions to be applied to future ASU plant control systems.

Assist the Control Systems Manager in training and certifying department technicians and operations teammates in efficient use of standard NSM control systems hardware and software.


Required for All Jobs

Performs other duties as assigned

Complies with all policies and standards

What Matheson employees say

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Benefits

Hours and flexibility

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