Junior/Mid/Senior Design HVAC Engineer
Confirmed on the employer's own hiring board on Oct 18, 2026. First seen by Alion on Oct 13, 2026. Vertiv scores B on the Alion truth index.
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
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