Mechanical Engineering Intern (Nov 2026)

We deliver critical projects across water and wastewater treatment, dams, conveyance systems, industrial water, asset management, and civil infrastructure.

As a Mechanical Engineering Intern, you will support our teams across all phases of project delivery—from design through construction support—while learning from experienced professionals and helping with day-to-day tasks under supervision.

How you’ll make a difference:

• Support the design and planning of water and wastewater infrastructure (typically pipelines, pump stations, and treatment plants) by helping with calculations, drafting inputs, and documentation under guidance.
• Collaborate with experienced engineers and multidisciplinary project teams, helping to coordinate tasks and contribute to integrated solutions.
• Assist in preparing technical reports, drawings, specifications, and design documentation, including compiling data, preparing figures, and drafting sections for review.
• Help with tendering activities, site inspections, and construction-phase services by organizing information, taking notes, and preparing follow-up actions as directed.
• Work closely with clients and stakeholders by supporting meetings, preparing presentation materials, and helping with responses to queries to deliver impactful water infrastructure outcomes.

What Our Summer Internship Program Offers

• 12-week paid internship (mid-November to mid-February)
• Real project experience: Contribute to meaningful work and apply your university learning to real-world projects from day one.
• Exposure to iconic projects: Be part of projects that help shape communities, cities and infrastructure across Australia and New Zealand.
• AECOM Summer Series: Connect with senior leaders from across our business through an exclusive program of presentations providing insight into different career pathways and areas of expertise.
• Work alongside technical experts: Work alongside graduates, technical experts, and industry leaders.
• Be part of a global business: Experience the benefits of working for a global consultancy, with opportunities to collaborate across teams, markets and geographies.
• Pathway to graduate employment: Successful interns may be considered for future graduate opportunities, providing a direct pathway into AECOM's Graduate Program.
• Summer Intern attributes: Interns who are curious and excited to apply their studies in a professional environment. You'll bring strong communication and teamwork skills, a positive and proactive attitude, adaptability, and a commitment to professionalism and integrity. 
• Bachelor’s Degree: You must be in your penultimate year of a Bachelor’s or Postgraduate degree in Mechanical Engineering. 
• Commencement: Able to work full time hours from 16 November 2026 – 19 February 2027. 
• Working Rights: You must have full working rights to work in Australia and New Zealand before applying. 

Our Recruitment Process   

1. Submit Your Application: Complete the job application, uploading your resume, cover letter and the latest copy of your academic transcripts as one single document.  
2. Interview: Attend a face-to-face interview at your local office.  

Applications are reviewed as they come in, and the role may close earlier than expected, so if this opportunity sounds like you, we encourage you to apply as soon as possible.

Ready to push the limits of what’s possible?

We welcome applications from individuals of all backgrounds, including those with disabilities, additional health or mental health needs, and/or neurodiverse conditions. If you require any adjustments during the hiring process, please let us know.

Learn more about life at AECOM: LinkedIn, Facebook , Instagram, X, YouTube - explore our AECOM voices, employee stories, latest projects, and much more!

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM 

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. 

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com. 

What makes AECOM a great place to work 

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity. 

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.