Junior/Mid/Senior Design HVAC Engineer

Vertiv
Zagreb, Croatia
On-site

Who this role is best for

Aimed at experienced HVAC engineers with strong technical and leadership capabilities who can manage complex projects and collaborate across teams in Croatia.

Best fit for

  • Experienced HVAC engineers with a background in European standards and complex system design
    — “ensuring compliance with applicable European and international standards”
  • Candidates who have led or mentored junior engineers and delivered detailed technical documentation
    — “leading and mentoring a team of junior and mid-level engineers”

Things to consider

  • Occasional travel to EMEA region may be required, up to 15% of time
    — “Occasional site visits to EMEA region, up to 15%”
  • Candidates must be able to work in a team-based, collaborative environment
    — “cooperation with manufacturing and site deployment engineering team and commissioning engineer in testing”

How to stand out

  • Highlight experience with complex HVAC system design and delivery in your resume and interviews
    — “full technical ownership of HVAC system design and delivery”
  • Demonstrate familiarity with CFD tools and Revit through past project examples
    — “advanced HVAC modelling and coordination in Revit”
Pace · SteadyCollaboration · HighAutonomy · HighDecision Impact · Team

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

  • developing and validating complex HVAC design solutions
  • leading and mentoring a team of junior and mid-level engineers
Typical background
Master of Mechanical Engineeringexperience in HVAC engineering principles

Skills & requirements

Required

Hvac-engineeringMechanical-designRevitAutocadMs-officeCfd-analysisHeat-load-calculationsProject-managementTechnical-consultingTeam-mentoring

Preferred

AnsysDc-reality

Stack & domain

AutocadMS OfficeRevitCFD ToolsAnsysDC RealityIndependentAttention To DetailsProblem SolvingOrganizationCreativityTeamworkHVACEngineering

About the role

Original posting from Vertiv

Junior/Mid/Senior Design HVAC Engineer 

We are currently looking for a Junior/Mid/Senior Design HVAC Engineer to join our dynamic team in Zagreb or Rijeka, Croatia!

​​As a Design HVAC Engineer you will work within design engineering team, taking full responsibility for the mechanical HVAC design of infrastructure solutions across projects of all complexity levels, with a primary focus on the most complex and technically demanding applications. The role includes full technical ownership of HVAC system design and delivery, ensuring robust engineering solutions from concept through to final design. This encompasses HVAC calculations, system design development, single-line diagrams, layouts, equipment selection and schedules, as well as the preparation of detailed engineering documentation. The role also includes advanced HVAC modelling and coordination in Revit. 

You will develop, review, and validate complex HVAC design solutions, ensuring compliance with applicable European and international standards, internal design guidelines, and project-specific requirements. A key responsibility is driving technical excellence and ensuring high-quality engineering outputs throughout the project lifecycle. In addition, the role includes leading and mentoring a team of junior and mid-level engineers. Provide technical direction, assign and review work, ensure design consistency, and actively support the professional development of less experienced team members. Role requires strong expertise in HVAC engineering principles, relevant codes and standards, and the ability to manage complex technical challenges in a structured and solution-oriented manner.

What kind of work will you be doing?

​​Developing of project conceptual and detailed design

Based on input data (information, requirements, standards), development of mechanical project documentation: heat load, ventilation calculations, CFD analysis, detail drawings, descriptions and material submittals

Participating in kick-off meetings, regular project team meetings, and on-site coordination meetings

Development of defined documents according to Document list (DLIST)

Specifying Bill of Material (BOM) and services required for project execution 

Providing technical support for project procurement

Cooperation with manufacturing and site deployment engineering team and commissioning engineer in testing

Participation in internal testing and FAT

Qualifications?

Master of Mechanical Engineering (preferred in thermodynamics)

Experience in collaborative projects and team management

​Software - AutoCAD, MS Office,  Revit (optional), CFD tools good to have (Ansys, DC Reality)

Other skills – independent, attention to details, problem solving, organization, creativity, team work

English minimum B2 level

Time Travel Required:

Occasional site visits to EMEA region, up to 15%

Who are we?

At Vertiv, we’re on a mission to empower the people that will power the future. From a simple swipe to life-changing medicines, from push notifications to generative AI. We design, manufacture, and service the products and solutions that keep the world connected.  With $6.9 billion in sales, a strong customer base and global reach spanning nearly 70 countries, we are uniquely positioned to deliver greater value to our customers and create new opportunities for our people.

What do we offer?

Access to internal training and external development opportunities

Coverage of public transportation costs

UNIQA supplementary health insurance for added security

Special occasion bonuses (Easter, Christmas, performance-based rewards, and child-related bonuses)

Free annual health check-up to support your well-being (Croatia Osiguranje)

Opportunity to sign up for a Multisport card for an active lifestyle

Fresh fruit delivered 2 times per week for a healthy start to the week

Referral bonuses as a thank-you for helping us grow our team

Financial support for new parents with a non-taxable baby bonus

Assistance in difficult times with a non-taxable allowance for the loss of an immediate family member

Professional development through mentorship and training

International teams and dynamic environment

Contribution to projects of high technical complexity with modern technical challenges

Full creative and professional freedom

Flexible working hours

Positive, casual, friendly, team-based working atmosphere

Focus on competence development

If YOU are the person we are looking for, feel free to apply and let's start drafting your future career into a healthy and growing environment!

The successful candidate will embrace Vertiv’s Core Principals & Behaviors to help execute our Strategic Priorities.  

OUR CORE PRINCIPALS: Safety.  Integrity. Respect.  Teamwork.  Diversity & Inclusion.

OUR STRATEGIC PRIORITIES

Customer Focus

Operational Excellence

High-Performance Culture

Innovation

Financial Strength

OUR BEHAVIORS

Own It

Act With Urgency

Foster a Customer-First Mindset

Think Big and Execute

Lead by Example

Drive Continuous Improvement

Learn and Seek Out Development

  #LI-JŠ1

Source: Vertiv careers

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