Job Description

About IN2

Formed in 2002, IN2 is a progressive engineering consultancy operating across Ireland, the UK, and Europe, dedicated to creating better spaces for people. With over 100 experts across six locations, our team of engineers, technicians, and consultants collaborate closely with clients and partners to deliver innovative, sustainable, and energy-efficient building solutions across a wide range of sectors—from concept and design through to handover and beyond.



For over 20 years, we have maintained a people-centric culture that encourages growth, innovation, and adaptability. Our award-winning MEP projects, combined with recognition as a ‘Great Place to Work’, reflect our commitment to quality, sustainability, and a supportive, inclusive work environment where individuals can thrive.



At IN2, joining our team means being part of a collaborative, high-performing, and forward-thinking organisation, where your contribution makes a real impact—and where career opportunities grow alongside our business.

Job Title

Internship Student Sustainability

Salary

€1.5-2K per month

Location

Berlin

Working Hours

40 hours per week, designed to support work-life balance. We offer flexible start and finish times between 8am and 6pm, provided that core hours of 10am to 4pm are covered for team collaboration and meetings.

About The Role

The Sustainability Internship exists to support the organisation’s sustainability and certification team in delivering high-quality environmental performance outcomes for building projects. Positioned within the sustainability and engineering function, the role contributes to energy performance analysis, embodied carbon assessments, and building certification processes such as LEED, BREEAM, and DGNB. The role provides essential support to ongoing projects while developing future sustainability expertise within the business.

What you will do

Support the sustainability team in achieving building certification goals (LEED, BREEAM, DGNB) and meeting environmental performance targets. Assist in collecting, analysing, and reporting data on energy performance, material usage, and embodied carbon. Help prepare sustainability documentation, reports, and calculations for ongoing projects. Participate in site visits or project reviews as needed, ensuring compliance with certification standards and internal quality requirements. Collaborate with engineers, architects, and project managers to integrate sustainability principles into designs. Report to the Sustainability Manager and take accountability for the accuracy and timeliness of assigned tasks.

Your Experience

Essential

Good command of German, minimum B2. Good command of English, minimum B2. Good understanding of sustainability principles. Good understanding of energy performance in buildings. Good understanding of embodied carbon principles.

Desirable

Interest in sustainability in the built environment.

Why You’ll Love Being Part of the Team

At IN2, we’ve traded the stuffy corporate ladder for a

flat hierarchy

and a culture where your voice actually matters. We’re a diverse, collaborative team that believes the best ideas can come from anyone, anywhere.

Global Impact, Local Feel:

You’ll get to work on game-changing projects across different countries, supported by our specialist

BIM, Sustainability, and Building Physics

teams.

Constant Growth:

Through

IN2 Talks

, cross-office collaboration, and a culture of knowledge sharing, you’re always learning something new.

Your Best Self:

We prioritise a genuine

work-life balance

with flexible hours and support for personal circumstances. We’re big on open communication and ensuring our workplace is a bias-free zone where you can truly be yourself.

What’s In It For You?

We’ve put together a package that looks after your wallet, your career, and your wellbeing.

The Essentials

Competitive Pay & Bonuses:

A salary that reflects your worth, plus an annual bonus and pension contributions.

Annual Leave:

24 days of annual leave

(plus all those bank holidays!).

Flexible Hours:

Work-life balance isn't just a buzzword here—we offer a 37.5-hour working week with flexible hours (8am–6pm), to suit your lifestyle!

Career Progression

Personal Roadmap:

You’ll have a dedicated

Personal Development Plan

and mentoring from our senior leaders.

The IN2 Academy:

Access to our internal academy, CPD support, and expert assistance in advancing your career,

Health & Wellbeing

Mind & Body:

Access to our

Employee Assistance Program

, annual health checks, and various fitness initiatives.

Commute Greener:

Take advantage of our

Cycle to Work

scheme to keep active on your way to the office.

Social & Community

Legendary Events:

From our famous

Christmas party weekend

to Employee Appreciation Day and regular staff social events.

Giving Back:

Get involved with our team-led charity initiatives. *

International Reach:

opportunities to work across IN2 offices in London, Dublin, Berlin, Belfast, Athlone, and Madrid