Mechanical Engineering Intern (Summer 2027)

Arup; Seattle (WA); On-site; USD 30,000 - 60,000; Part time

Benefits offered by this job

Profit sharing

Flexible working

Wellbeing benefits

Job summary

Arup seeks an Mechanical Engineering Intern for Summer 2027 in Seattle to contribute to HVAC design with a sustainable focus. You will collaborate with clients, architects, engineers, and consultants to develop integrated solutions for complex buildings, and perform engineering analyses including load calculations and energy modelling.

You will also communicate technical ideas to diverse audiences, write technical reports, and manage tasks in a dynamic environment while growing your professional

Qualifications

• Pursuing a Bachelor’s degree in Mechanical, Architectural Engineering, or Building Sciences related degree.
• Coursework in heat transfer and thermodynamics, fluid dynamics or 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.

Responsibilities

• Design HVAC services for sustainable buildings.
• Collaborate with clients, architects, engineers, and consultants on integrated solutions.
• Perform engineering analysis and modelling (load calculations, energy analysis, façade/airflow modelling).
• Communicate technical ideas through presentations and workshops.
• Write reports documenting methods, results, and assumptions.
• Prioritize work and stay organized in a dynamic environment.
• Influence design toward sustainable outcomes for clients.

Skills

Communication skills

Teamwork

Leadership experience

Time management

Initiative

Interpersonal skills

Education

Bachelor’s degree in Mechanical/Architectural Engineering

Master’s degree preferred

Tools

Revit

3D modeling

CFD

Energy/thermal modeling

Job description

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?

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

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

• Must be eligible to work in the US without the need for employer sponsored work authorization now or in the future to be considered for this role.
• 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

Please note, in the event of high applicant volume, this role may be closed ahead of the advertised closing date. Early application is recommended.

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.

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

Next Steps

We've designed our application process to be straightforward and supportive, giving you the opportunity to showcase your skills and potential. Applications are reviewed as they're received, so we encourage you to apply as early as possible.

The process includes an online application, psychometric testing, application review, case study, interview and offer stage. Our friendly Early Careers team is available throughout the process to answer questions and help you feel confident every step of the way.

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 Seattle office is situated on the traditional territories of the Duwamish, Suquamish, Muckleshoot, and Stillaguamish peoples.

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