Process Design Engineer (Water & Wastewater) Innova Water Pty Ltd – Ascot, Brisbane QLD

$115,000 – $140,000 + Super

About the Role Innova Water is seeking a

mid-level Process Design Engineer

to join our Brisbane team.

This role is ideal for an engineer with

4–6 years' experience

who can take ownership of design packages, work directly with clients, and contribute across

design, construction and commissioning .

You will:

Work independently on smaller projects

Support a Senior Engineer on larger, complex designs

Take ownership of technical design, coordination and client interaction

This role is suited to a practical engineer who enjoys seeing designs built and commissioned — not just developed on paper.

This is not a purely desktop design role

— you will be involved in site work, commissioning and real-world project delivery.

Key Responsibilities Process Design

Develop and review:

Process Flow Diagrams (PFDs)

Piping & Instrumentation Diagrams (P&IDs;)

Mass balances

Complete process design calculations across water and wastewater treatment units

Perform:

Equipment sizing and selection (pumps, blowers, valves and process equipment)

Hydraulic assessments and system design

Prepare and review:

Basis of Design reports

Detailed design reports

Develop:

Functional descriptions

Process control philosophies

Design Coordination & Project Delivery

Coordinate with civil, structural, mechanical, electrical and controls disciplines

Review drawings, specifications and design deliverables

Manage RFIs, technical queries and design actions

Prepare:

Technical specifications

Scopes of work

Review:

Vendor submissions and equipment selections

Participate in client meetings and design reviews

Provide guidance to junior engineers/designers

Risk & Technical Reviews

Participate in structured risk processes including:

HAZOP





CHAIR workshops (1/2/3)

CHAZOP

Construction, Commissioning & Handover

Prepare:

Commissioning Plans

Proof of Performance (PoP) plans

Provide on-site commissioning support, testing and fault finding

Conduct site inspections and support construction activities

Prepare:

O&M; manuals

SOPs

Operator training materials

Support contractors and clients through construction and startup

About You Australian Permanent Residency or Citizenship is required for this position.

Essential

Degree in

Chemical Engineering

(Civil or Environmental considered with strong process focus)

4–6 years' experience

in water, wastewater or a closely related process industry (minimum 3 years required)

Demonstrated ability to:

Develop PFDs, P&IDs; and process calculations independently

Contribute to and review technical design documentation

Experience writing:

Functional descriptions and/or control philosophies

Robust communication skills and ability to be client-facing

Willingness to be involved in site work, commissioning and construction support

Demonstrated interest in building a career in water and wastewater infrastructure

Highly Regarded

Experience with:

Treatment plants, pump stations, pipelines or recycled water systems

Exposure to:

Design coordination across disciplines

Managing junior engineers/designers

Experience from:

Engineering consultancies or construction/project delivery roles

Experience with:

AutoCAD (essential)





Basic AutoCAD drafting proficiency is required for this role.

Other process modelling or design software

Not a Perfect Fit? Still Apply We recognise strong engineers don't always come from identical backgrounds.

We will consider:

Engineers from construction or contractor environments with solid delivery and client-facing experience

Candidates with minor gaps in specific design areas who demonstrate high capability, ownership and practical project experience

About Innova Water Innova Water is a specialist process and hydraulic design consultancy focused exclusively on water and wastewater infrastructure.

Based in Brisbane (Ascot), delivering projects across Australia's east coast

Working on treatment plants, pump stations, pipelines and recycled water infrastructure

A young, high-performance consultancy (small team, high accountability)

Focused on delivering practical, construction-ready designs and supporting projects through commissioning and handover

Why Join Innova Water?

Direct mentoring from an industry-leading process engineer

Accelerated technical development compared with large consultancies

Early exposure to:

Client interaction

Real design decisions

Site and commissioning work

Small, high-trust team where your contribution matters

Opportunity to grow with the business

You will see your designs through to construction, commissioning and operation — and be directly involved when things don't work as expected.

Working arrangements

Based in Ascot (Brisbane inner north)

Predominantly office-based

Up to 1 day per week work-from-home

Short periods of site work throughout the year

Salary & Incentives

$115,000 – $140,000 + super (depending on experience and capability)

Additional incentives or bonus structures may be considered for the right candidate

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📌 Process Design Engineer (Water & Wastewater) (Brisbane)
🏢 Innova Water
📍 Brisbane