Senior Mechanical Engineer – Energy & Industrial

Come and grow with us.

AECOM’s Energy and Industrial practice provide a wide range of services from consulting and engineering design to energy engineering, energy procurement and construction (EPC) for power, energy efficiency, industrial, and renewable energy clients. Our understanding of the big picture - and the interconnection between generation, distribution, storage, and the demand side of the meter - allows us to deliver holistic strategies that improve and modernise next generation energy infrastructure. We connect knowledge and experience across our global framework to bring together a unique combination of engineers, planners, scientists, and project managers who advance cleaner, secure, and more sustainable energy solutions.

Everyone belongs at AECOM

We’re committed to diversity, equity, inclusion, and belonging - because great ideas come from diverse perspectives. AECOM is proud to be a Fortune 500 Most Admired Company, a WGEA Employer of Choice for Gender Equality, #Work180 Equitable Workplace Awards 2025 Winner and an AWEI Bronze Tier LGBTQ+ Inclusive Employer.

Grow your career in this Senior Mechanical Engineering role within AECOM’s Energy & Industrial team based in Auckland, New Zealand (NZ). In this role, you will be working on projects with a variety of scope, scale, site and technical complexities leading the delivery of mechanical and piping related work packages. This role and project variety will provide the opportunity to develop your technical and project delivery abilities while also learning from AECOM’s technical leaders.

You will also be working across project stages supporting AECOM’s engineering and client teams to prepare documentation, designs and engineering inputs across the project life cycle. You will be part of a team that is passionate about communicating complex technical concepts and solutions, in a simple and easy to understand way for a variety of stakeholders. The fast paced and innovative nature of projects will suit a Senior Engineer looking to make a difference across major and complex projects where understanding client needs, balancing engineering concepts, and problem solving to ensure technical and project delivery excellence.

Key role responsibilities include:

• Leading and delivering work packages for Mechanical and Piping Engineering projects, for greenfield and brownfield projects, including applying relevant technical standards.
• Collaborating across disciplines, such as civil engineering teams, ensuring plant location, piping considerations and site-specific requirements are included in the design process.
• Building site-based relationships as a trusted adviser with client technical and site teams, ensuring effective interfacing between new and existing plant.
• Preparing and completing report writing for proposals, project updates for key stages with clients, progress reports, data sheets, and related documents throughout the project stages.
• Provide and complete engineering reviews, designs, calculations and technical advisory tasks, meeting project technical requirements, within AECOM’s project verification processes.
• Applying your specific experience for engineering tasks such as pressure vessels, heat exchangers, industrial processes, pipe support designs and 3d modelling.
• Raising design discrepancies and contributing to problem solving, within a collaborative team environment.
• Work with the current local team to help mentor graduate and early-stage career engineers, developing their technical and project abilities.
• Contributing to delivery excellence maintaining AECOM’s high standards of quality, safety, digital innovation and client satisfaction.

To be successful in this role, you will be an experienced Mechanical or Piping Engineer, with a track record of working across various project types including in Industrial or related sectors. Ideally, this will include experience across both greenfield and brownfield projects and complex operating sites, in energy, industrial, chemical processing, food industries, generation sites, or potentially wastewater treatment projects. You will be known for your ability to support delivery of complex projects, working collaboratively in teams, with a project and client-first focus.

The following qualifications and experience are highly desired, but if you don’t tick all the boxes, you could still be a perfect fit for this role. Please apply, all applications will be considered.

• Mechanical and / or Piping Engineering experience, over 6+ years (ideally more), with a demonstrated engineering experience working on complex, multidisciplinary projects.
• Ideally experienced in thermal energy systems, gas / biogas, or wastewater projects.
• Experience across the delivery of mechanical and piping related projects, across project stages, for both brownfield and greenfield sites - understands how to balance new project requirements, with current site and asset conditions.
• A track record in planning and completing detailed Mechanical and Piping engineering projects and design work packages, from concept, detailed design, procurement and through construction and commissioning.
• An ability to proactively problem solve, identify discrepancies, and work within agreed client timelines, scopes and budgets independently.
• Excellent ability to build relationships across client, site, contractor and internal teams finding areas of agreement across competing technical requirements to enable project delivery - able to explain and discuss complex engineering concepts, simply.
• Strong communication skills and ability to confidently coordinate multidisciplinary inputs with both internal, and client technical and site-based teams.
• Either registered, or working towards, a Chartered Professional Engineer (CPEng) designation with a bachelor’s degree in mechanical engineering or related field.
• Displays a passion to grow their technical, engineering, mechanical or piping knowledge learning from others, as well as providing hands-on guidance to other engineers.

Why you’ll love working with us

• Flexible work arrangements available, aligned with the market and client facing role requirements
• Purchase up to 6 weeks additional annual leave per year
• Volunteer and representation leave
• Flex public holidays - swap Easter or other holidays for ones that suit you better

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.

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.

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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.