Mechanical Engineering Intern (Summer 2027)

Arup; Washington (District of Columbia); On-site; USD 30,000 - 60,000; Part time

Job summary

Arup in Washington, DC is offering a Mechanical Engineering Intern position for Summer 2027. You will design HVAC services for the built environment with a focus on sustainable design and collaborate with clients, architects and engineers to develop integrated building solutions.

You will perform engineering analyses and modelling—whole-building load calculations, energy analysis, façade thermal analysis, and airflow modelling—and communicate findings through presentations, reports and workshops

Qualifications

• Pursuing a Bachelor’s Degree in Mechanical, Architectural Engineering, or Building Sciences related degree.
• Coursework in heat transfer and thermodynamics, fluid dynamicsor HVAC design.
• Developing interest in the built environment.
• Proven leadership experience and time management skills.
• Ability to communicate thoughts and technical ideas in an accessible way.
• Attitude of taking initiative, enthusiasm, eagerness to learn, teamwork, creativity.
• Strong interpersonal and communication skills essential for team-based working.
• Presentation skills with colleagues and clients of all levels.
• Candidate must be eligible to work in the United States without the need for employer sponsored work authorization now or in the future.

Responsibilities

• Design HVAC services within the built environment, with an emphasis on sustainable design.
• Collaborate with clients, architects, engineers, and consultants to develop integrated solutions for complex buildings.
• Perform engineering analysis and modelling, including whole building load calculations and energy analysis, façade thermal analysis, and airflow modelling.
• Communicate technical ideas to a broad range of audiences using various formats, including presentations and workshops.
• Write reports documenting calculation methods and results, design assumptions, and other technical information.
• The ability to prioritize effectively, balance assigned work and exceptional organization skills required for our constantly evolving environment.
• Influence with design on sustainable outcome for our clients to align with Arup sustainability commitment.

Skills

Leadership experience

Time management

Communication skills

Teamwork

Initiative

Presentation skills

Interpersonal communication

Adaptability

Education

Bachelor’s degree in Mechanical/Architectural Engineering or Building Sciences

Master’s degree preferred

Tools

Revit

CFD

3D modeling

Energy modeling

Job description

Mechanical Engineering Intern (Summer 2027)

Mechanical Engineering Intern (Summer 2027)

You see the world through a unique lens and that’s exactly what we need. We embrace how you see things differently – it’s essential for creating a sustainable future.

Arup is a global consultancy with advisory and technical expertise across more than 150 disciplines. We guide, plan and design the future of the built environment. Globally, each year we recruit hundreds of graduates and students who help us see things differently and solve the most complex challenges facing our clients, climate and communities.

The opportunity

• Design of Heating, Ventilation and Air Conditioning (HVAC) services within the built environment, with an emphasis on sustainable design
• Collaborate with clients, architects, engineers, and consultants to develop integrated solutions for complex buildings
• Perform engineering analysis and modelling, including whole building load calculations and energy analysis, façade thermal analysis, and airflow modelling
• Communicate technical ideas to a broad range of audiences using various formats, including presentations and workshops
• Write reports documenting calculation methods and results, design assumptions, and other technical information
• The ability to prioritize effectively, balance assigned work and exceptional organization skills required for our constantly evolving environment
• Influence with design on sustainable outcome for our clients to align with Arup sustainability commitment

Is this role right for you?

Required

• Pursuing a Bachelor’s Degree in Mechanical, Architectural Engineering, or Building Sciences related degree
• Coursework in heat transfer and thermodynamics, fluid dynamicsor HVAC design
• Developing interest in the built environment
• Proven leadership experience and time management skills
• Ability to communicate thoughts and technical ideas in an accessible way
• Attitude of taking initiative, enthusiasm, eagerness to learn, teamwork, creativity
• Strong interpersonal and communication skills essential for team-based working
• Presentation skills with colleagues and clients of all levels
• Candidate must be eligible to work in the United States without the need for employer sponsored work authorization now or in the future

Preferred

• Pursuing a Master’s Degree in Mechanical, Architectural Engineering, or Building Sciences related degree
• Passed Fundamentals of Engineering examination
• Membership in ASHRAE, USGBC, ASME
• Coursework in Energy/thermal modeling experience, Revit or 3D modeling experience and/or sustainability
• Advanced computational modeling (e.g., CFD)

Alongside your degree, we look for the following core attributes;

• Changemakers: A passion for sustainable development and creating a better world is key.
• Innovative minds: We’re looking for critical thinkers who embrace new ideas and challenge the status quo.
• Growth seekers: You have a growth mindset, always eager to learn and explore new ways of working.
• Adaptable adventurers: You’re ready to take on any challenge that comes your way.

Advert Closing Date: 12th November 2026

What we offer you

At Arup, we care about each member’s success, so we can grow together.

Guided by our values, we provide an attractive total reward package that recognises the contribution of each of our members to our shared success. As well as competitive, fair and equitable pay, we offer a career in which all of our members can belong, grow and thrive – through benefits that support health and wellbeing, a wide range of learning opportunities and many possibilities to have an impact through the work they do.

We are owned in trust on behalf of our members, giving us the freedom, with personal responsibility, to set our own direction and choose work that aligns with our purpose and adds to Arup’s legacy. Our members collaborate on ambitious projects to deliver remarkable outcomes for our clients and communities. Profit Share is a key part of our reward, enabling permanent members to share in the results of our collective efforts.

We take an approach to flexible working that supports the diversity and wellbeing of our members.

Washington DC Hiring Range – The good faith base salary hiring range for this job if performedin Washington DC is $22.00 to $43.50 per hour. This range iscommensuratewith experience, educational background, and skill level. Benefits are not included in the base salary. Please note hiring ranges for candidates performing work outside of Washington DC will differ.

Different people, shared values

Arup is an equal opportunity employer that actively promotes and nurtures a diverse and inclusive workforce. We welcome applications from individuals of all backgrounds, regardless of age (within legal limits), gender identity or expression, marital status, disability, neurotype or mental health, race or ethnicity, faith or belief, sexual orientation, socioeconomic background, and whether you’re pregnant or on family leave. We are an open environment that embraces diverse experiences, perspectives, and ideas – this drives our excellence.

Guided by our values and alignment with the UN Sustainable Development Goals, we create and contribute to equitable spaces and systems, while cultivating a sense of belonging for all. Our internal employee networks support our inclusive culture: from race, ethnicity and cross-cultural working to gender equity and LGBTQ+ and disability inclusion – we aim to create a space for you to express yourself and make a positive difference. Discover more about life at Arup at www.arup.com/careers/your-life-at-arup.

We are committed to making our recruitment process and workplaces accessible to all candidates. Please contact your recruiter to let us know if you need any assistance or reasonable adjustments throughout your interview process, and/or to perform the essential functions of the role. We will do everything we can to support you.

Arup acknowledges that our Washington DC office is situated on the traditional territories of the Piscataway and Nacotchtank peoples.

Washington, Dist Of Columbia, United States