Construction Mechanical QA/QC Technician

Job Type: Full-time|Location: Sweetwater, TX |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 Mechanical QA/QC Technician 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, own and operate our 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 we operate in.

Responsibilities

Quality Inspections & Verification

• 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).

Testing & Commissioning Support

• 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 validate system performance under operational conditions.

Documentation & Reporting

• Maintain accurate records of inspections, test results, and non-conformance reports (NCRs).
• Prepare and submit detailed QA/QC reports to the project team according to schedule.
• Track and verify corrective actions for identified deficiencies.

Compliance & Standards

• Ensure adherence to data center-specific standards and liquid cooling best practices.
• Enforce compliance with OSHA safety regulations, environmental standards, and site-specific safety protocols.
• Stay informed on advancements in liquid cooling technology and relevant codes.

Coordination & Communication

• Collaborate with mechanical contractors, engineers, and vendors to resolve quality issues.
• Participate in daily and weekly QA/QC meetings to discuss progress, issues, and mitigation plans.
• Provide technical guidance to site teams on liquid cooling system installation and quality requirements.

Non-Conformance Management

• Identify and document deviations from project specifications or quality standards.
• Work with the project team to develop and implement corrective action plans.
• Verify resolution of non-conformances prior to system acceptance.

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 a rotational 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.

Benefits

At IREN, we offer a comprehensive, market-competitive total rewards package designed to support employees’ well-being, career advancement, and financial wealth. Our offerings reflect our commitment to Proceed with Purposewhile rewarding high performance and long-term growth.

Compensation

• The expected hourly rate for this role is $54.50 USD.
  • Actual compensation will be determined based on factors such as experience, qualifications.
• Per Diem amount of $180.00 and project allowance, when applicable
• 15% night-shift premium for eligible roles, when applicable
• Overtime compensation for non-exempt workers for hours worked over 40 per week
• Relocation and Living-out-allowance (as applicable and based on successful candidate circumstances)

Health & Wellness

• 100% company paid health insurance premiums (medical, dental, and vision) for employees, 75% company paid coverage for dependents
• Company-paid short-term and long-term disability insurance
• Voluntary life, critical illness, and accident coverage available
• Health Savings Accounts (HSA) – when combined with the High-Deductible Health Plan
• Employee Assistance Program and wellness resources

Retirement & Financial Wealth 

• 401(k) retirement plan with company match
• Paid professional development and access to financial planning and legal services

Time Off & Leave Programs

• Paid Time Off (PTO) and paid holidays

Growth & Development

• Professional development to support certifications, continuing education, or role related training

Community & Culture

• Company events and team-building activities

IREN is an equal opportunity employer committed to a fair and inclusive recruitment process. We are committed to evaluating qualified applicants and do not discriminate against protected characteristics under applicable local laws, regulations, and ordinances. We evaluate all qualified applicants without regard to these characteristics.  

This job will remain posted until filled. While we appreciate all applications we receive, we are only able to contact candidates under consideration.  

By applying for this position and submitting your resume and application materials, you consent to the processing of your personal information in accordance with our Job Applicant Privacy Statement available on our website at www.iren.com.  

IE US Operations, Inc. “IREN” participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the United States