Mechanical Commissioning Engineer

Winthrop Technologies Ltd.; Gävle kommun; On-site; SEK 520,000 - 650,000; Full time

Benefits offered by this job

Competitive salary

Comprehensive benefits

Career progression

Equal opportunities employer

Job summary

Winthrop Technologies Ltd. is seeking a Mechanical Commissioning Engineer to lead hands-on commissioning of HVAC and mechanical systems in large-scale data centre projects across Europe.

You will work under the Cx Manager to ensure design intent and performance criteria are met on-site. Responsibilities include executing commissioning protocols, fault-finding, witnessing vendor activities, managing documentation, and maintaining strict adherence to HSEQ requirements while coordinating with

Qualifications

• Experience in mechanical commissioning, HVAC systems, and building services.
• Proven ability to perform fault-finding and diagnostics.
• Strong focus on HSEQ and quality management systems.

Responsibilities

• Carry out hands-on mechanical commissioning activities and testing.
• Witness and support vendor commissioning, ensure documentation compliance.
• Manage day-to-day on-site commissioning operations and readiness checks.
• Track commissioning documentation and achieve Cx sign-off.
• Maintain communication with project stakeholders and vendors.

Skills

HVAC experience

Commissioning

Analytical skills

Communication skills

Problem-solving

Education

Mechanical / Building Services Engineering

Job description

Winthrop Technologies is Europe’s only dedicated data centre delivery partner, offering full turnkey solutions from design through to construction and commissioning. Headquartered in Dublin, we deliver projects across Europe and have become the most trusted name in our sector.

We are pleased to announce that we are currently seeking a Mechanical Commissioning (Cx) Engineer to join our team and support the delivery of large-scale, mission-critical projects. Reporting to the Cx Manager.

Responsibilities:

• Carry out hands-on mechanical commissioning activities in line with approved commissioning plans and procedures.
• Execute mechanical commissioning protocols including system testing, fault-finding, diagnostics, and functional performance testing.
• Ensure HVAC and mechanical services operate in accordance with design intent, specifications, and performance criteria.
• Witness and support vendor commissioning activities, ensuring compliance with approved project documentation.
• Conduct day-to-day on-site commissioning operations, including system inspections and readiness checks.
• Manage and complete the commissioning tagging process in line with project procedures.
• Track the receipt, review, and compliance of commissioning documentation to achieve required Cx level sign-off.
• Support quality management for on-site service and commissioning activities.
• Ensure commissioning activities are delivered in line with project schedules and milestones.
• Adhere strictly to project Health, Safety, Environmental, and Quality (HSEQ) requirements at all times.
• Maintain clear communication with commissioning managers, vendors, and other project stakeholders.

• Relevant qualification in Mechanical Engineering, Building Services Engineering, or a recognised Mechanical Trade with appropriate training and experience.
• Minimum 3 years’ experience in a similar Mechanical Commissioning Engineer role.
• Strong commissioning experience on HVAC and mechanical systems within commercial, industrial, or data centre environments.
• Solid understanding of construction environments and safe systems of work.
• Strong analytical and problem-solving skills, with the ability to act decisively.
• Process-driven mindset with a strong focus on EHS and Quality Management Systems.
• Excellent communication and interpersonal skills.
• Proven ability to maintain positive working relationships with contractors and vendors on site.

• Work on Europe’s largest and most advanced data centre developments.
• Be part of a rapidly growing organisation at the forefront of the digital infrastructure sector.
• Excellent opportunities for career progression and professional development.
• Competitive salary and comprehensive benefits package.
• Collaborative, supportive, and high-performance team environment.
• Opportunity to contribute to landmark projects shaping the future of digital infrastructure across Europe.

Winthrop Technologies Ltd. are an equal opportunities employer