Astro Pak is the nation's leading precision cleaning and passivation contractor specializing in on-site cleaning of high purity gas and fluid systems, as well as precision cleaning of components and hardware at the company’s Cleanroom facilities. Astro Pak provides services to over 15 sectors including: Data Centers, Biotechnology, Pharmaceutical, Aerospace, Semiconductor, and other selected Industrial markets. The company, founded in 1959, has performed on-site precision chemical cleaning in every State of the Union as well as several projects in Asia, Canada, continental Europe, England, Ireland and Mexico.
Compensation: CAD $20–$22 per hour
Position Status: This posting is for an existing vacancy.
As an Associate Field Technician at Purepass, an Astro Pak company, you’ll receive hands-on training while travelling to customer sites to perform specialized chemical cleaning and passivation on fluid and gas systems that support mission-critical operations.
Based out of our Hamilton, Ontario site, this role involves more than 80% overnight travel, with approximately 30–50% night-shift work. Project schedules may include overtime, weekends, public holidays, and assignments on short notice, subject to applicable employment standards and accommodation requirements.
We hire for attitude and train for success. If you’re mechanically inclined, eager to learn, and comfortable with frequent travel and hands-on work, this could be a great opportunity to build your technical career.
Why Join Purepass?
The starting pay range for this position is CAD $20–$22 per hour, based on relevant skills, qualifications, and experience. Overtime and public-holiday compensation will be provided in accordance with applicable Ontario employment standards.
Purepass offers a benefits package that includes:
Benefits are subject to applicable plan terms and eligibility requirements.
Purepass, an Astro Pak company, is committed to equal employment opportunity and a workplace free from discrimination in accordance with the Ontario Human Rights Code.
Accommodations are available on request for candidates participating in any stage of the recruitment and selection process. Please contact talent@astropak.com to discuss your accommodation needs.
Astro Pak, LLC is an equal opportunity employer. We provide equal employment opportunity to all qualified applicants and employees without regard to race, color, religion, sex (including pregnancy, sexual orientation, gender identity), age (40 or older), national origin, disability, genetic information, or protected veteran status. We will reasonably accommodate applicants or employees with disabilities, and comply with all applicable federal, state, and local anti-discrimination laws.

Astro Pak is the leader in providing Passivation, Precision Cleaning and High-Purity Chemical Cleaning services for a wide variety of “cleanliness sensitive” critical systems and components. Many of our customers have external agencies that drive their cleaning requirements, such as the FDA, NASA and others. We service such industries as Pharmaceutical, Biotechnology, Aerospace, Laser, Semiconductor, Water Treatment and more, including Industrial markets.
Astro Pak has been perfecting its cleaning chemistries and processes over the past 65 years, for which we deploy crews and equipment to go on site to customer facilities, as well as processing components, hardware and assemblies at one of our state of the art Cleanrooms or Shop locations. Our services and products leverage decades of experience to deliver the most effective chemistries and techniques, resulting in increased equipment longevity, reduced corrosion-related downtime and regulatory compliance in client facilities.