In-Demand senior mechanical engineer building services Jobs in sydney, nsw

Senior Mechanical Engineer (Building Services)
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Quick Apply
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Associate Director - Mechanical Engineer (Buildings)
AECOM —Sydney NSW
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Senior Mechanical Engineer (Building Services)

HDR -
Sydney NSW

Apply Now

Job Details

Full-time

Qualifications

Data centre experience
NavisWorks
Mechanical Engineering
Revit
Bachelor's degree
HVAC
Ductwork

Full Job Description

Senior Mechanical Engineer (Building Services)

- (192715)

About Us

At HDR, we specialise in engineering, architecture, environmental and construction services. Our global team of over 14,000 employees is led by the strength of our values and a culture shaped by employee ownership. We network with each other, build on each other's contributions, and collaborate together to make great things possible. When you join HDR, we help you take charge of your career, giving you multiple growth opportunities along the way.

The Role

Due to a growing pipeline of work, HDR is seeking a Senior Mechanical Engineer to join our Building Engineering Services team based in Sydney. This role will play a key part in the design, coordination and delivery of building services projects within a multidisciplinary consulting environment.

You will operate as a senior technical contributor, taking ownership of defined scopes of work with minimal supervision while working closely with discipline leads and project leadership.

Working collaboratively with our national Building Engineering Services team this is a delivery‑focused position suited to an engineer who enjoys hands-on design and contributing to high‑quality, technically robust engineering solutions across the full project lifecycle.

In the role of Senior Mechanical Engineer, you’ll be responsible for:

Delivering building services design packages from concept through to construction.
Undertaking detailed engineering calculations, design development and system selection.
Producing coordinated, compliant drawings, reports and specifications.
Ensuring designs meet Australian codes, standards and regulatory requirements.
Coordinating discipline inputs and resolving design interfaces.
Supporting construction-phase activities including inspections and technical queries.
Contributing to technical improvement initiatives and best practice.

Qualifications & Experience

Bachelor’s degree in mechanical engineering.
Typically 6–12 years’ experience in building services design within a consulting environment.
Consulting experience is essential.
Chartered Professional Engineer (CPEng) – advantageous.
Demonstrated ability to deliver complete design packages with minimal supervision.
Strong background in building services design of data centers, commercial, industrial, health, defence, education, sports and aquatic or mixed-use projects.
Data Centre / Mission Critical project experience (highly desirable / preferred).
Experience in preparing specifications, reports & technical documentation.
Experience performing heat load calculations for HVAC systems. Ideally using Camel software.
Experience with pipe sizing and ductwork sizing for HVAC systems.
Strong understanding of relevant Australian codes, standards, and regulatory requirements including AS 1668 and the NCC.
Experience with design coordination tools such as Revit, Navisworks or ACC.
Good Knowledge of HVAC suppliers and equipment.
Interest in developing skills in project delivery, resource planning, and commercial awareness.

About You

Demonstrated technical capability with a focus on high-quality design delivery outcomes.
Confident working independently on defined scopes of work.
Detail-oriented with a strong focus on accuracy, compliance and coordination.
Proactive and entrepreneurial mindset, with the ability to identify opportunities and add value.
Curious and growth-oriented, with a willingness to ask questions, challenge assumptions and continuously learn,
Collaborative team member who contributes positively to project and office culture.
Committed to continuous professional development and technical excellence.
Alignment with HDR’s values, including quality delivery, continuous improvement, and HDR’s employee-owned culture.

Why HDR

Opportunity to work on complex, high-quality projects locally and internationally.
A role with real technical ownership and influence.
Career pathways towards technical leadership or project leadership roles.
Supportive, employee-owned culture focused on quality, collaboration and continuous improvement.

#LI-CG3

What We Believe
HDR is our company. Together, we build on each other's life experiences and perspectives to make great things possible every day. This shapes our collaborative culture, encourages organizational trust and connects us closer to the clients and communities we serve.

Our Commitment
As employee owners, we all have a role in creating an inclusive environment where each of us is welcomed, valued, respected and empowered to bring our authentic selves to work every day.

Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. Each group has an executive sponsor and is open to all employees.

Our Commitment

HDR is committed to fostering an inclusive and diverse work environment and is proud to be an equal opportunity employer. We welcome applications from all qualified and/or experienced candidates, regardless of gender identity or expression, race or ethnicity, sexual orientation, age, or religious and political beliefs. This includes encouragement for veterans.

HDR acknowledges the Traditional Owners and Custodians of the lands on which we, our clients and communities live and work. As part of our commitment to reconciliation and diversity, we encourage Aboriginal and Torres Strait Islander peoples to apply. Join us in making a meaningful impact and contributing to an inclusive community.

Primary Location:

Australia-NSW-Sydney

Industry:

Building Engineering

Schedule:

Full-time

Employee Status:

Regular

BusinessClass:

Building Mechanical

Job Posting:

May 5, 2026

Apply Now

Refine Your Search

senior mechanical engineer building services jobs in sydney, nsw

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