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High-growth start-up experience
Join one of the largest start-ups in the construction tech industry. Experience how innovation scales, witness strategic decision-making, and learn what it takes to grow a fast-moving company on an international stage.
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Learn by doing with an expert mentor
As an architecture or construction intern, you’ll create home projects from scratch, prepare wall layouts and calculations, and produce construction drawings - all on real projects with mentor guidance.
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International projects & real impact
Work on projects that reach far beyond Poland. Collaborate with international clients, support cross-border business processes, and watch your contributions shape the real expansion of SYSTEM 3E.
Modern office in the heart of Warsaw
Step into our office in the Rondo 1 building, where collaboration and focus go hand in hand. Work side by side in open spaces, brainstorm in meeting rooms, or take a quiet moment in our small library. Grab a coffee in the kitchen, relax in the chill room, and feel inspired as you learn, create, and grow with us.
What you’ll learn
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Real project experience
Jump into ongoing projects from day one. See your ideas take shape, make real decisions, and create solutions that clients actually use.
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Teamwork that matters
Collaborate with designers, engineers, and sales teams. Learn how to communicate ideas, solve problems, and make your mark as part of a team.
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Professional workflows
Get hands-on with industry-standard tools, workflows, and project management methods. Learn how pros organize, plan, and deliver high-quality results.
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From learning to designing
Apply what you’ve learned by contributing to actual SYSTEM 3E designs. Finish with tangible work for your portfolio and the confidence to take your skills to the next level.
Your career starts here
An internship at SYSTEM 3E can be more than a short-term experience. After you graduate, you may continue your journey and grow together with the company.
If you want your first professional experience to truly matter, join a team shaping the future of modern construction. Apply now and start building your future - literally.
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Submit your applicatio
Send your CV and a short note about why you’re excited to join us to hr@dom3e.com. Resumes can be submitted in Polish or English.
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Quick review & feedback
We’ll review your application promptly and get back to you if your profile fits our company. We value curiosity and initiative over perfect experience.
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Interview & conversation
Meet our team for a friendly interview. We want to hear your ideas, understand your goals, and see how you’d fit into our collaborative environment.
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Start your internship
Once accepted, you’ll go through onboarding and jump straight into ongoing projects, working alongside your 3E mentor. You’ll gain portfolio-ready work, hands-on experience, and a clear direction for your career.
What makes SYSTEM 3E different
SYSTEM 3E is not just a technology; it is a revolution in modern wall construction. It uses perlite, a natural volcanic material, to create walls without mortar, glue, or thermal insulation, directly addressing today’s biggest construction challenges. Rising material costs, labor shortages, slow timelines, and growing demand for energy-efficient homes put pressure on builders. SYSTEM 3E meets these challenges, enabling faster, cleaner construction, reducing waste, and delivering highly energy-efficient walls, all while simplifying assembly and lowering costs.
Ready to apply?
Send your CV in Polish or English to hr@dom3e.com.
We’ll review your application, get back to you quickly, and invite you for a friendly interview if it’s a good fit. Successful candidates will then start their internship and jump straight into real projects.
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Architect's Assistant
Your responsibilities:
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Develop initial assumptions/guidelines for discipline-specific design documentation.
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Participate in designing single-family houses and preparing adaptations.
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Work in AutoCAD and ArchiCAD on real projects.
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Assist in preparing documentation for a building permit application.
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Analyze plots, carry out surveys/as-built inventories, and work with urban planning constraints.
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Collaborate with the design team and report progress.
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Structural Engineering Assistant
Your responsibilities:
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Support the Lead Designer in ongoing design work.
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Develop and adapt structural designs using SYSTEM 3E technology.
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Perform structural static and strength calculations.
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Prepare structural/construction drawings based on calculations.
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Work in CAD software on real projects.
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Collaborate with the design team and report progress.
Who we are looking for
Are you proactive, curious, and eager to take responsibility? Do you want to work on projects that truly matter? If so, this opportunity is for you.