Student assistant - Business Development and Portfolio Management

Ready to help build a better future for generations to come?

In an ever-changing, fast paced world, we owe it to ourselves and our future generations to live life responsibly. At ROCKWOOL, we work relentlessly to enrich modern living through our innovative stone wool solutions.

Join us and make a difference!

Your future team

Joining us at our Headquarters in Hedehusene, you become part of our portfolio management office. Here, you will collaborate with a dedicated team of 14 people, who drives strategy deployment across the Group and assists senior management with various analyses and decision support. Moreover, you can look forward to engaging collaboratively with colleagues across the organisation.

We are creating business transparency and decision material for the Business development director and portfolio management office. As our coming Student Assistant, you will handle exiting tasks and minor projects independently within business analysis. So, grab this opportunity to hone your skills and help us drive achieve our sustainable objectives forward!

What you will be doing

You can look forward to:

Developing various strategic analyses across our full project portfolio, which consists of 1500 projects and 1000+ MEUR in investment across our +50 production lines.

Preparing meeting materials and slide decks for the Board and senior management. Thus, your contribution will be to Improve our basic presentations but also develop ad hoc presentations – with guidance from the experienced colleagues.

Maintain and improve our data quality with projects and portfolio.

Creating models (Excel and Power BI) and making decision material to guide senior management.

Being exposed for working closely with management at Vice president and Director level

You can expect a steep learning curve ahead of you – luckily, we also guarantee that you will receive lots of feedback from your manager and your team colleagues, who is always available for you to bounce ideas off.

What you bring

To succeed, you will need to be curious, proactive and have a strong drive. You enjoy problem-solving and possess excellent analytical capabilities as well as skills in developing presentation material. Thus, we are asking for you to upload your grades so they will be part of the overall evaluation.

Together, these skills are what enable you to answer challenging questions, solve complex problems, and navigate at different levels of an organisation.

We are imaging that you are:

Are currently studying for a bachelor’s or master’s degree, E.g., cand merc (AEF, FSM or FIR)

Have an organised approach to the task at hand – and ability to work with and systematise complex material.

Passionate about data and creating actionable insights.

Is a PowerPoint and Excel superuser.

Is well versed in Microsoft Office tools and apps.

We know that you might not meet all the things on this list, but you might bring skills and experience that we haven’t even included here.

What we offer

This is a great opportunity to jump in and hone the skills that could kickstart your professional way into the corporate or consulting world.

You will work on a wide range of strategic challenges and interact with departments and colleagues across the value chain, gaining valuable insights into how our company works and strategies are executed.

You will work 15-20 hours per week, and we are flexible around exams. Lunch is paid for, and you are most welcomed in our Young Professionals Network where you can expand your professional network and participate in events and gatherings.

Ready to apply?

If you want to know more, please contact Business Development Director, Martin Middelboe Frederiksen at, Phone: . Please submit your application, CV, and documentation on your enrolment in a university in English in the same field in our recruitment system via the below link before 18th May 2025. Interviews will be conducted on an ongoing basis.

Who we are

We are the world leader in stone wool solutions. Founded in 1937 in Denmark, we transform volcanic rock into safe, sustainable products that help people and communities thrive. We are a global company with more than 12,000 employees, located in 40+ countries with 51 manufacturing facilities… all focused on one common purpose – to release the inherent power of stone to enrich modern living.

Sustainability is central to our business strategy. ROCKWOOL was one of the first companies to commit to actively contributing to the United Nations Sustainable Development Goals (SDG’s) framework and are actively committed to 11 SDGs, including SDG 14, Life Below Water. Through our partnership with the One Ocean Foundation and in connection with our sponsorship of the Denmark SailGP team, we will help raise awareness around ocean health challenges in an effort to accelerate solutions to protect it.

Diverse and Inclusive Culture

We want all our people to feel valued, respected, included and heard. We employ 79 different nationalities worldwide and are committed to providing equal opportunities to all employees, promote diversity, and work against all forms of discrimination among ROCKWOOL employees.

At ROCKWOOL, you will experience a friendly team environment. Our culture is very important to us. In fact, we refer to our culture as “The ROCKWOOL Way”. This is the foundation in which we operate and is based upon our values of ambition, responsibility, integrity and efficiency.

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