Senior Mechanical Project Engineer (Data Center HVAC)

Johnson Controls, Inc.; Finland; On-site; EUR 70,000 - 100,000; Full time

Job summary

Johnson Controls, Inc. is seeking a Senior Mechanical Project Engineer to lead HVAC retrofit and installation projects in data center environments, with a focus on chillers.

You will support projects from initiation through completion, ensuring technical quality, on-site coordination, and reliable execution. The role requires extensive HVAC project experience, submittal preparation, MOS, risk assessments, and strong communication.

Qualifications

• Extensive experience in HVAC projects and system installations.
• Experience preparing MOS, submittals, and project docs.
• Experience managing site execution and coordinating stakeholders.
• Excellent communication, organizational, and problem-solving skills.
• Knowledge of relevant codes and safety regulations.
• Professional working proficiency in English.

Responsibilities

• Oversee HVAC retrofit and installation projects from initiation to completion.
• Plan, design, and implement HVAC systems for retrofit activities.
• Conduct detailed site surveys and inspections to assess project requirements.
• Prepare and review MOS, risk assessments, and work schedules.
• Coordinate with consultants, contractors, clients, internal teams, and suppliers for approvals, clarifications, and execution support.
• Provide technical guidance to site teams and supervise installation activities.
• Troubleshoot and resolve technical issues related to HVAC systems and equipment.
• Ensure HVAC installations comply with relevant standards, codes, and regulations.
• Monitor quality on site and implement corrective actions when needed.
• Identify and procure the materials and equipment needed for project delivery.
• Manage resources efficiently to support project progress and profitability.
• Track delivery against schedule, budget, and quality expectations throughout the project lifecycle.

Skills

HVAC projects

Site coordination

MOS preparation

English

Education

Bachelors in Mechanical Eng

Tools

AutoCAD

Revit

Job description

Johnson Controls is supporting a number of exciting data center projects in Finland, and this role offers the chance to play a hands‑on part in delivering critical HVAC solutions. If you enjoy technically challenging project work, close collaboration with site teams and stakeholders, and the opportunity to build expertise in retrofit and chiller installation projects, this position is a strong fit.

What you will do

As a Senior Mechanical Project Engineer, you will lead HVAC retrofit and installation projects for data center environments, with a particular focus on chillers. You will support projects from initiation through completion, ensuring technical quality, smooth coordination, and reliable execution on site.

How you will do it

• Oversee HVAC retrofit and installation projects from initiation to completion.
• Plan, design, and implement HVAC systems for retrofit and installation activities.
• Conduct detailed site surveys and inspections to assess project requirements.
• Prepare and review project submittals, including Method of Statements (MOS), risk assessments, and work schedules.
• Coordinate with consultants, contractors, clients, internal teams, and suppliers for approvals, clarifications, and execution support.
• Provide technical guidance to site teams and supervise installation activities.
• Troubleshoot and resolve technical issues related to HVAC systems and equipment.
• Ensure HVAC installations comply with relevant standards, codes, and regulations.
• Monitor quality on site and implement corrective actions when needed.
• Identify and procure the materials and equipment needed for project delivery.
• Manage resources efficiently to support project progress and profitability.
• Track delivery against schedule, budget, and quality expectations throughout the project lifecycle.

What we look for

Required

• Extensive experience in HVAC projects and system installations, with a strong understanding of HVAC systems, equipment, and controls.
• Proven ability to prepare detailed submittals, Method of Statements (MOS), and other project documentation.
• Experience managing site execution, coordinating stakeholders, and supporting project delivery from start to finish.
• Excellent communication, organizational, and problem-solving skills.
• Knowledge of relevant standards, codes, and safety regulations.
• Professional working proficiency in English.

Preferred

• Bachelor’s degree in Mechanical Engineering or a related field
• Experience with data centers and energy efficiency upgrades.
• Experience in Mechanical, Electrical, Plumbing (MEP) contracting
• Knowledge of AutoCAD, Revit, or similar design software.
• Familiarity with project management tools and software.
• Certifications such as CMVP, LEED, or HVAC-specific credentials.
• Working knowledge of Finnish language

Why Join Us

This is a great opportunity to contribute to meaningful data center projects while deepening your expertise in retrofit HVAC and chiller installation work. You will join a technically focused environment where collaboration matters, quality is valued, and your contribution helps deliver reliable solutions for customers.