Senior Process Engineer

TRILITY; Melbourne; On-site; AUD 140,000 - 210,000; Full time

Benefits offered by this job

Base salary

Incentives

Parental leave

Wellbeing program

Headspace membership

Impactful work

Job summary

TRILITY is a leading water, wastewater and reuse solutions provider in Australia and New Zealand. We are seeking a Design and Commissioning Manager (Senior Process Engineer) to shape design and commissioning activities across medium to large projects.

The role requires leading teams, driving QA, and contributing to business development while advancing TRILITY’s delivery capabilities. The candidate will work across NSW/VIC locations, support HAZOP and SiD processes, and mentor engineers within a

Qualifications

• 10–15 years’ experience in design leadership of multidisciplinary engineering environments.
• Degree in Chemical or Mechanical Engineering.
• Strong knowledge of water and wastewater treatment technologies.
• Excellent leadership, communication, and stakeholder management skills.
• Experience with project and quality management systems.
• Familiarity with document and drawing management systems.
• Knowledge of the water industry in Australia / New Zealand.
• Willing to travel to meet project needs.

Responsibilities

• Lead conceptual and detailed process and mechanical design for municipal water and wastewater projects.
• Coordinate multidisciplinary design teams across projects and tenders (up to 30+ people).
• Implement robust QA and document management systems.
• Facilitate design reviews including HAZOP and SiD.
• Support early-stage business development with technical input and risk assessment.
• Act as Commissioning Manager on major projects and lead commissioning teams.
• Mentor junior engineers and collaborate with consultants and suppliers.

Skills

Leadership

Design leadership

Stakeholder management

Project coordination

Quality management

Documentation control

Communication

Travel readiness

Education

Bachelor's degree in Chemical or Mechanical Engineering

Tools

HAZOP

SiD

Document management systems

Drawing management systems

Job description

Due to a busy project portfolio and a number of growth prospects, TRILITY is looking to appoint a Design and Commissioning Manager (Senior Process Engineer skillset) to join our Projects team.

This role can be based in any of our NSW or VIC locations.

The role

Reporting to the General Manager as a subject matter expert in water and wastewater treatment systems, you’ll play a pivotal role in both the design and commissioning phases of medium to large-scale water and wastewater treatment infrastructure projects. You’ll also contribute technical insight across the wider business and help shape TRILITY’s future capabilities.

Key responsibilities

• Lead conceptual and detailed process/mechanical design for municipal water and wastewater infrastructure.
• Manage and coordinate multidisciplinary design teams across projects and tenders (up to 30+ people).
• Implement robust quality assurance and document management systems.
• Facilitate design review processes including HAZOP and Safety in Design (SiD).
• Support early-stage business development with technical input and risk assessment.
• Act as Commissioning Manager on major projects, leading teams through integrated commissioning activities.
• Mentor junior engineers and collaborate closely with consultants, subcontractors, and suppliers.

What we are looking for

• 10-15 years’ experience in design leadership of complex, multidisciplinary engineering environments.
• Degree in Chemical or Mechanical Engineering.
• Strong knowledge of water and wastewater treatment technologies.
• Excellent leadership, communication, and stakeholder management skills.
• Experience in project and quality management systems.
• Experience with document and drawing management systems
• Knowledge of the water industry in Australia / New Zealand
• Willing to travel to meet project needs

Why TRILITY?

TRILITY is an established industry leader, solely dedicated to the delivery of water, wastewater and reuse solutions across New Zealand and Australia’s municipal, industrial and resource sectors. This leadership draws on more than 35 years’ experience of providing high-quality solutions for our public and private sector clients, including financing, design and construction, operations and maintenance, asset management, utility services, and equipment solutions. Our capabilities span the full life cycle of water, delivering services to millions of people every day.

What we have to offer you?

• Competitive base salary + incentive + additional super after 2 years service
• A dynamic and positive work culture, where hard work is recognised
• Paid parental leave and ability to purchase additional leave
• Reward and recognition program – receive payment for excellence and years of service
• Wellbeing program including an employee assistance program, a free membership to Headspace and discounted wellness products
• Have genuine impact on the future of TRILITY

TRILITY is an Equal Employment Opportunity employer who seeks to increase the diversity of its workforce. We encourage people from any background/culture, age, gender, sexual orientation, or people with an impairment to apply for this role. TRILITY is also a WORK180 endorsed employer for women – find out more at https://work180.com/en-au/for-women/employer/trility-pty-ltdWhy us?

For further information on TRILITY, head to our careers page https://trility.com.au/careers/