Principal Mechanical Engineer (Buildings)

Stantec; St Leonards; On-site; AUD 150,000 - 190,000; Full time

Benefits offered by this job

Flexible work arrangements

Additional leave options

Development programs

Mentoring

Professional memberships

Salary continuance insurance

Wellbeing programs

Service recognition awards

Job summary

Stantec in Sydney is seeking a Principal Mechanical Engineer (Buildings) to lead technical delivery and client relationships across a portfolio of building projects.

You will blend design excellence with business development, mentoring junior engineers and guiding multi-disciplinary teams through concept, design and construction phases.

Qualifications

• Proven experience in a design consultancy with strong client engagement and project leadership.
• Engineering Degree-qualified or CIBSE / Engineers Australia recognised qualifications
• Hold CPEng or NER and DBPA registrations
• Ability to manage multiple projects at varying stages of delivery
• Strong technical knowledge in building services design
• Proactive, solutions-focused mindset with client relationship growth
• Excellent communication and presentation skills
• Collaborative, can-do attitude in a fast-paced team environment

Responsibilities

• Lead client-facing project delivery, ensuring high-quality outcomes and strong stakeholder satisfaction.
• Drive business development initiatives, identifying and pursuing new project opportunities and nurturing long-term client partnerships.
• Manage internal design teams and oversee engineering assessments across complex, multi-client projects.
• Represent Stantec in industry forums, client presentations, and strategic meetings to enhance our market presence.
• Deliver technically sound and innovative designs, reports, and specifications across sectors including health, defence, high-rise, industrial, and education.
• Mentor and support junior engineers, fostering a culture of excellence and continuous improvement.

Skills

Client engagement

Project leadership

Building services design

Technical leadership

Communication skills

Collaboration

Proactive mindset

Education

Engineering degree

CIBSE/Engineers Australia recognised

Job description

Principal Mechanical Engineer (Buildings)

About the Role

We are looking for an experienced Principal or Associate level Mechanical Engineer to join our Sydney Buildings team. This is a key leadership role that blends technical excellence with strategic business development, client engagement and project delivery. As a senior member of our multi-disciplinary team, you will play a pivotal role in driving project success, expanding client relationships, and identifying new business opportunities across a diverse portfolio of building projects. Your ability to lead from the front—both technically and commercially—will be key to your success. Bring your technical leadership to a role with a growth focus.

What You’ll Be Doing

• Lead client-facing project delivery, ensuring high-quality outcomes and strong stakeholder satisfaction.
• Drive business development initiatives, identifying and pursuing new project opportunities and nurturing long-term client partnerships.
• Manage internal design teams and oversee engineering assessments across complex, multi-client projects.
• Represent Stantec in industry forums, client presentations, and strategic meetings to enhance our market presence.
• Deliver technically sound and innovative designs, reports, and specifications across sectors including health, defence, high-rise, industrial, and education.
• Mentor and support junior engineers, fostering a culture of excellence and continuous improvement.

What We’re Looking For

• Proven experience in a design consultancy environment, with a strong track record of client engagement and project leadership.
• Engineering Degree-qualified or CIBSE / Engineers Australia recognised qualifications
• Hold CPEng or NER and DBPA registrations
• Demonstrated ability to manage multiple projects at varying stages of delivery.
• Strong technical knowledge in building services design.
• A proactive, solutions-focused mindset with a passion for building client relationships and growing business pipelines.
• Excellent communication and presentation skills.
• A collaborative, can-do attitude and the ability to thrive in a fast-paced, team-oriented environment.

About Stantec

The Stantec community unites approximately 34,000 employees working in over 450 locations across six continents. We collaborate across disciplines and industries to bring buildings, energy, resources, water, environmental, transport and infrastructure projects to life. Our work from initial project concept and planning through design, construction, and commissioning begins at the intersection of community, creativity, and client relationships.

What We Offer

• Genuine Flexible Working Arrangements - Including work from home opportunities, provision for school term contracts, job sharing and part time employment.
• Option to purchase up to 4 weeks additional leave.
• Learning and Talent Development Programs - Including Global programmes, online learning and on-the-job learning
• Mentoring for your own development and the opportunity to mentor others
• Professional Memberships.
• Salary Continuance Insurance (SCI).
• Mental Health, Employee Assistance Program and Wellbeing Programs.
• Service Recognition Awards.

Qualifications

Primary Location: Australia-New South Wales-St. Leonards

Organization: BC-3013 Buildings-AU New South Wales

Employee Status: Regular

Job Level: Individual Contributor

Travel: No

Schedule: Full-time

Job Posting: Jul 9, 2026, 8:49:48 PM

Stantec provides equal employment opportunities to all qualified employees and applicants for future and current employment and prohibit discrimination on the grounds of race, color, religion, sex, national origin, age, marital status, genetic information, disability, protected veteran status, sexual orientation, gender identity or gender expression. We prohibit discrimination in decisions concerning recruitment, hiring, referral, promotion, compensation, fringe benefits, job training, terminations or any other condition of employment. Stantec is in compliance with local, state and federal laws and regulations and ensures equitable opportunities in all aspects of employment. EEO including Disability/Protected Veterans