Assistant Mechanical HVAC Engineer

Shape a future with purpose at Arup in Poland.

Accelerate your career—and help shape a future with purpose at Arup.

Arup’s purpose, shared values and collaborative approach has set us apart for over 80 years, guiding how we shape a better world.

With over 20,000 colleagues globally, we deliver iconic projects where innovation, sustainability, and performance come together.

Our Poland offices in Warsaw and Krakow are fast-growing teams of 200+ colleagues, working closely with Arup teams around the world. Our teams deliver projects for public- and private-sector clients. We combine discipline expertise, digital tools and integrated design to create solutions that are safe, functional and environmentally responsible.

The Opportunity

We are looking for someone to join our Mechanical team and support the design of heating, ventilation and air-conditioning systems across different project stages. You will work under the guidance of experienced designers, within multidisciplinary teams and on projects delivered in Poland and internationally.

The role is suitable both for graduates and those starting their careers, as well as candidates with some initial design experience. The level of autonomy and seniority will be matched to your skills and previous experience.

As an Assistant Mechanical HVAC Engineer at Arup, you will:

• Support the design of HVAC systems, particularly ventilation, air conditioning, heating and cooling.

• Develop BIM models and design documentation in Revit; prepare drawings and schematics in AutoCAD as well.

• Carry out basic design calculations, including air balances, heating and cooling loads, hydraulic calculations and preliminary equipment selections.

• Coordinate solutions with architecture, structural engineering and other MEP disciplines, including participating in model reviews and identifying clashes.

• Collaborate with designers, suppliers and contractors, and participate in project meetings, including meetings held in English.

• Support the team during site surveys, site visits and designer’s supervision activities, depending on project needs.

Does this role inspire you?

• We're looking for someone who is passionate about sustainable building design. There are the essential skills and qualifications for the position:

• Degree in Environmental Engineering, Energy Engineering or a related discipline, preferably specialised in heating, ventilation and air conditioning.

• Basic knowledge of HVAC systems and can read technical documentation.

• AutoCAD and Microsoft 365, particularly Excel, to a level that supports efficient design work.

We also value:

• Revit or willingness to learn intensively to create or edit models and documentation.

• Initial experience in a design consultancy, internship or placement related to HVAC/MEP systems.

• Knowledge of Polish technical and construction regulations, industry standards or international standards.

Why Arup?

At Arup, you’ll do work you can be proud of—supported by a team that challenges and backs you. As a trust-owned company, we have the freedom to invest in the right ideas, pursue meaningful projects, and stay true to our purpose and values. You’ll join a collaborative environment where your contribution is recognised, and your growth is taken seriously.

Benefits that work for you:

• Professional Growth & Development: Benefit from continuous learning opportunities, training programs, and mentorship to enhance your skills and advance your career at Arup.

• Global Opportunities: Collaborate with colleagues worldwide and explore potential short-term or long-term assignments at other Arup offices and project locations.

• Financial Well-being & Ownership: Receive a competitive salary and benefits package and share in Arup's success through our global profit-sharing programme.

• Wellbeing and Culture: At Arup we are committed to fostering a healthy working culture by offering a range of health and wellbeing benefits, including health insurance, flexible working schemes, wellness programmes and an Employee Assistance Programme.

• Equality, Diversity and Inclusion: We strive to embed inclusion in our way of working, our interactions with one another and the projects we deliver. We are committed to creating an inclusive working environment for talented people of any background, based on merit, fairness and respect.

At Arup, you belong to an extraordinary collective where individuality is encouraged. Our strength comes from how we respect, share, and connect our diverse experiences, perspectives, and ideas. You'll have the opportunity to do socially useful work that has meaning – to Arup, to your career, and to the clients and communities we serve.

We are proud to be an equal opportunity employer and are committed to building a workplace that reflects the rich diversity of the world around us. We actively promote a culture of inclusion where everyone feels welcome, respected, and valued.

We welcome applications from talented individuals of all backgrounds, regardless of age (within legal limits), gender identity or expression, disability, ethnicity, religion, sexual orientation, or any other protected characteristic. We are committed to making our recruitment process and workplaces accessible. We're here to support you.

Do you want to join us in shaping a better world?

Please apply by sending your CV and a cover letter (in English). 

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