Senior / Principal Process Engineer (Wastewater)

Stantec; City of Melbourne; On-site; AUD 140,000 - 190,000; Full time

Benefits offered by this job

Flexible working arrangements

Learning programs

Professional registration

Salary packaging

Women@Stantec

Pride@Stantec

Mentoring

Developing Professionals Group

Wellbeing programs

Recognition awards

Job summary

Stantec’s Water team in Australia is seeking a Senior/Principal Process Engineer with wastewater expertise to join our Melbourne office. You will lead complex water and wastewater projects from concept to delivery, mentoring engineers and coordinating multi-disciplinary teams while building strong client relationships.

You will apply advanced process design and modelling skills, drive feasibility studies, and ensure high-quality outcomes within budget and schedule.

Qualifications

• Experience in wastewater treatment process design and modelling.
• Strong leadership and project delivery skills.
• Excellent interpersonal skills to manage clients and stakeholders.

Responsibilities

• Lead design and delivery of wastewater treatment projects.
• Conduct options investigations, feasibility studies, and reporting.
• Mentor junior engineers and coordinate multi-disciplinary teams.
• Engage with clients to meet and exceed expectations.
• Ensure constructability and design intent alignment.

Skills

Wastewater process design

Process modelling

Project leadership

Client engagement

Mentoring junior engineers

Education

Bachelor's degree in Chemical or Process Engineering

Job description

Senior / Principal Process Engineer (Wastewater) - ( 260000EG )

Description

Stantec’s Water team in Australia has an impressive portfolio of successful major projects that are already positively impacting our communities across the country. We know that finding solutions to our water issues is critical, and so our diverse network of 400 water specialists in Australia collaborate across business lines and geographies to ensure the best outcomes are achieved. With exciting projects in the pipeline, we are looking to expand our team and seek the change-makers, innovators, leaders and collaborators to join us. How will you impact Australia’s water solutions? Grow with us, H2O+U.

Our Water Group in Victoria has developed many long-term relationships in the water market, a strong pipeline of work, and has grown into a team of 100 water professionals. We have a continues focus on growth over the next five years, and as such, we are seeking a Senior or Principal Process Engineer with specific wastewater process expertise to join our Melbourne team.

The Opportunity

• Undertaking options investigations, feasibility studies and reporting on a wide range of complex engineering projects such as water, wastewater, recycled water, resource recovery, biosolids, and odour treatment facilities.
• Leading project delivery and engineering designs for water and wastewater treatment plant projects.
• Applying experience and understanding of treatment projects from concept through to detailed design to ensure successful project delivery
• Leading project teams, ensuring high quality deliverables and budgets are met in a timely manner
• Work and coordinate with a multi-disciplinary design team to ensure constructability of the process designs and compatibility with the design intent.
• Engaging in client facing activities to ensure expectations are met and exceeded.
• Building and maintaining client relationships
• Mentoring and sharing your project experience with junior engineers

About You

• Tertiary qualification in Chemical or Process Engineering, a minimum of 10 years relevant professional experience in the water and wastewater industry. Experience in wastewater treatment process design and modelling would be advantageous.
• Highly developed interpersonal skills to develop and maintain positive relationships with internal and external clients.
• Highly developed consulting skills to liaise with clients and other stakeholders to achieve mutually successful project outcomes.
• A positive and proactive attitude with the ability to get involved and lead others, whilst contributing to a vibrant team.

Stantec offerings

• Genuine Flexible Working Arrangements – Including purchasing up to 4 weeks additional leave and provision for school term contracts, job sharing and part time employment
• Learning and Talent Development Programs and training - Including Global programmes, online learning and on-the-job learning.
• Professional Registration and Memberships.
• Salary Continuance Insurance (SCI) and Salary Packaging.
• Employee Resource Groups such as Women@Stantec and Pride@Stantec, with the aim to achieve a genuinely inclusive and diverse workforce.
• Mentoring for your own development and the opportunity to mentor others.
• Connecting employees across Stantec through our Developing Professionals Group.
• Mental Health and Wellbeing Programs including Employee Assistance Program.
• Service Recognition Awards.

About Us

We are a leading water consultancy in Australia with a high performing local team of over 90 water professionals who specialise in water and wastewater infrastructure.

The Stantec community unites over 34,000 employees working in over 450 locations across six continents. We collaborate across multiple disciplines and industries to bring water, transport and infrastructure projects to life. Our work as architects, engineers, and consultants from initial project concept and planning through to design, construction and commissioning is built on almost 200 years of history. So, when we take on a project, we see the opportunity to make a lasting connection with the people and places where we live and work.

Qualifications

• Primary Location : Australia-Victoria-Melbourne
• Organization : BC-3002 Water-AU Australia
• Employee Status : Regular
• Job Level : Individual Contributor
• Travel : No
• Schedule : Full-time
• Job Posting : Jun 8, 2026, 7:40:56 PM
• Req ID : 260000EG

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