Fill Technician

Primary

Job Title:

Fill Technician

Hydrogen Fill Technician
Cryogenic Maintenance Technician
High-Pressure Systems Technician
Gas Transfill Operator
Instrumentation Maintenance Technician

Littleton, MA

Onsite

• 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

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.

• 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.

• 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.

• 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.

• Mechanical aptitude
• Preventative maintenance
• Cryogenics and high-pressure systems

• Data entry (Google Sheets, Alto)
• Working with HMI interfaces
• Interpreting technical schematics and P&IDs
• Troubleshooting instrumentation
• Operational safety awareness

• Problem-solving initiative
• Detail orientation and organizational skills
• Teamwork and adaptability
• Ability to work occasional overtime

• Medical, Vision, and Dental Insurance Plans
• 401(k) Retirement Fund

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.

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!