Fill Technician

Primary Job Title :

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Fill Technician

Alternate / Related Job Titles :

Hydrogen Fill Technician

Cryogenic Maintenance Technician

High-Pressure Systems Technician

Gas Transfill Operator

Instrumentation Maintenance Technician

Location : Littleton, MA

Onsite Flexibility : Onsite

Contract Details :

Position Type : Contract

Contract Duration : 3 months

Start : 09 / 29 / 2025

End : 12 / 31 / 2025

Pay Rate : $27 / hr

Shift / Hours : 8 AM – 4 PM

Job Summary :

Join a global leader in industrial and healthcare gases as a Fill Technician. This role supports the operation and upkeep of a hydrogen transfill facility, focusing on high-pressure, cryogenic, and instrumentation systems. You'll help maintain East Coast assets while ensuring operational safety, equipment functionality, and regulatory compliance.

Key Responsibilities :

Assist in the operation of the Littleton Hydrogen Transfill facility.

Perform maintenance and repairs on high-pressure, cryogenic, and instrumentation systems.

Execute scheduled preventative maintenance tasks.

Maintain inventory of tools, parts, and supplies.

Required Experience :

1–2 years of diagnostic or repair experience in cryogenics, high-pressure piping, programmable controls, pumping systems, mechanical or instrumentation environments.

Ability to read and interpret manuals, mechanical drawings, and P&IDs.

Valid driver's license required.

Strong math skills for unit conversions and calculations.

Nice-to-Have Experience :

Hands-on familiarity with Google Sheets and Alto data entry.

Working knowledge of Human-Machine Interfaces (HMI).

Exposure to gas handling or chemical plant operations.

Required Skills : Mechanical aptitude

Preventative maintenance

Cryogenics and high-pressure systems

Preferred Skills :

Data entry (Google Sheets, Alto)

Working with HMI interfaces

Interpreting technical schematics and P&IDs

Troubleshooting instrumentation

Operational safety awareness

Additional Skills :

Problem-solving initiative

Detail orientation and organizational skills

Teamwork and adaptability

Ability to work occasional overtime

Benefits :

Medical, Vision, and Dental Insurance Plans

401 (k) Retirement Fund

About the Client :

A global leader in gases, technologies, and services for industry and healthcare. With a presence in 60 countries and a workforce of 66,300 employees, we serve over 4 million customers and patients worldwide. Join us for a rewarding career where you can contribute to innovative solutions and grow within a collaborative and supportive environment.

About GTT :

GTT is a minority-owned staffing firm and a subsidiary of Chenega Corporation, a Native American-owned company in Alaska. As a Native American-owned, economically disadvantaged corporation, we highly value diverse and inclusive workplaces. Our clients are Fortune 500 banking, insurance, financial services, and technology companies, along with some of the nation's largest life sciences, biotech, utility, and retail companies across the US and Canada. We look forward to helping you land your next great career opportunity!

Job Number : 25-26273

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