Mechanical Commissioning Engineer

About CAI

CAI is a global professional services firm founded in 1996 and now employing close to 750 people across the world. The company supports Life Sciences and Mission Critical organizations that must deliver reliable solutions in high-pressure environments, helping them achieve operational readiness through disciplined processes, practical field experience, and specialized expertise built over three decades.

Its work is driven by a clear purpose: to be a trusted partner for clients who are working to create a better world and improve the human experience. CAI also follows a set of foundational principles focused on integrity, mutual support, service to society, and building for the future. The organization emphasizes excellence, innovation, precision, and continuous improvement in everything it does.

Role summary

The Mechanical Commissioning Engineer will join CAI’s Data Centre / Building Commissioning team and take ownership of commissioning mission-critical mechanical systems. This includes equipment start-up, testing, and support for maintenance planning. The role also contributes to commissioning test execution, design reviews, and LEED / Green Star submission support.

Key responsibilities

• Create and refine test procedures for mechanical equipment and systems.
• Take part in customer Factory Witness Tests and Factory Acceptance Tests.
• Coordinate with vendors and manage their involvement during commissioning.
• Inspect equipment to verify it matches approved vendor documentation and installation expectations.
• Document that systems are delivered, installed, tested, and functioning as intended.
• Review design specifications, manufacturer submittals, schematic drawings, and schedule documents.
• Carry out QA/QC checks for mechanical installation and startup work.
• Allocate commissioning tasks across the mechanical commissioning team.
• Run test scripts to validate system performance against design requirements.
• Promote safe work practices across the commissioning team and on customer sites.
• Work closely with customers to maintain strong relationships, hit project goals, and stay on schedule.
• Prepare daily status reports for the mechanical commissioning team.
• Lead facility walk-downs, turnover activities, and punch list reviews.
• Maintain a working knowledge of LEED / Green Star specifications and requirements.

Requirements

• Bachelor’s degree in mechanical engineering or a related engineering discipline, or an equivalent level of practical experience.
• At least 2 years of experience in commissioning and qualification within a regulated environment, or in facility engineering / facility management.
• Background in one or more of the following areas: data centre construction/commissioning, mission-critical construction/commissioning, building commissioning, startup walk-downs and troubleshooting for facilities or mechanical equipment, HVAC systems, fluid/hydraulic systems, TAB, Factory Witness Tests, mechanical commissioning processes, or equipment/facility handover.
• Data centre operations experience is preferred but not mandatory.
• Strong spoken and written English communication skills.
• Working knowledge of MS Project.
• Ability to travel internationally when needed, subject to any travel restrictions.

Benefits

• Superannuation contributions provided in line with industry standards.
• Access to career and professional development opportunities.
• Sign-on bonus available for senior-level candidates.

Additional information

CAI is an equal opportunity employer and is committed to building a workplace grounded in diversity and inclusion. The company states that it will operate fairly and equitably for employees, customers, and the wider community.

CAI also notes that artificial intelligence tools may be used to support parts of the hiring process, such as reviewing applications, analyzing resumes, and identifying possible inconsistencies or verification signals. These tools assist recruitment but do not replace human judgment, and final hiring decisions are made by people. Candidates seeking more information about data handling may contact the company directly.