Construction Technician QA​/QC - Mechanical

Job Type: Full-time |
Location: Sweetwater, Texas |
Department: Construction |
Reporting to: Associate Director, Construction |
Work Location: #onsite

IREN is a vertically integrated AI Cloud provider, delivering large-scale data centers and GPU clusters for AI training and inference. IREN’s platform is underpinned by its expansive portfolio of grid-connected land and power in renewable-rich regions across North America, Europe and APAC.

The Construction Technician QA/QC - Mechanical role offers experienced mechanical professionals the opportunity to step into a technically demanding quality role with direct impact on the performance and reliability of next-generation data center infrastructure. In this position, you’ll serve as a key quality authority for advanced mechanical systems—particularly liquid cooling technologies—ensuring installations meet strict project specifications, industry standards, and regulatory requirements.

You’ll work alongside construction, engineering, and commissioning teams to inspect, test, and validate critical systems, identify and resolve non-conformances, and drive continuous improvement across complex industrial projects. This role is ideal for detail-oriented mechanical professionals who want to elevate their careers beyond installation work, expand their technical influence, and gain exposure to cutting‑edge cooling technologies in high-performance, renewable‑powered data center environments.

With 100% renewable energy, we build,ownandoperateour data centers and take pride in being at the forefront of sustainable solutions for the ever-evolving applications of high-performance compute. We believe that human progress is invaluable, but it should be done in the right way – responsibly, sustainably and having a positive impact on the communities weoperatein.

Job requirements

• High school diploma or equivalent required;
  Associate’s or Bachelor’s degree in Mechanical Engineering, Construction Management, or a related field preferred.
• Minimum of 5 years of experience in mechanical QA/QC or mechanical inspection in industrial construction, including at least 2 years working with liquid cooling systems in data centers or similar high-tech environments.
• ASQ Certified Quality Inspector (CQI), AWS Certified Welding Inspector (CWI), or NDT Level I/II certification preferred.
• OSHA 10 or 30 certification is a plus.
• Proficient in reading and interpreting mechanical drawings, P&IDs, and technical specifications.
• Familiarity with liquid cooling technologies, heat transfer principles, and data center infrastructure.
• Knowledge of testing equipment such as pressure gauges, flow meters, and thermal imaging tools.
• Strong attention to detail and problem-solving abilities.
• Excellent communication and interpersonal skills.
• Ability to work under pressure and meet tight project deadlines.

Other important requirements
:

• Pre-employment screening, including background check and substance testing may be required according to company policies.
• Must provide own steel-toed work boots; other PPE will be supplied.
• Must be able to reliably commute to the work site daily or have plans to relocate before starting work.
• Must be comfortable working arotational schedule, which includes day and night shifts as well as weekend work, based on project needs.
• Employees working night shifts will receive a 15% premium added to their hourly rate only for hours worked during night shifts.

Job responsibilities

• Conduct detailed inspections of mechanical systems, including liquid cooling systems (e.g., direct-to-chip cooling, rear-door heat exchangers), piping, pumps, valves, and HVAC systems.
• Verify installations comply with project drawings, specifications, and manufacturer requirements.
• Ensure materials and components meet approved submittals and industry standards (e.g., ASME, ASHRAE, ANSI).

• Witness and document functional and performance tests for liquid cooling systems, ensuring leak‑free operation, thermal efficiency, and flow rates meet design criteria.
• Verify pressure testing, flushing, and balancing of cooling loops.
• Collaborate with commissioning teams to…