Job Description

Process Design Engineer (Water & Wastewater) n

Innova Water Pty Ltd – Ascot, Brisbane QLD

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$115,000 – $140,000 + Super

About the Role n

Innova Water is seeking a mid-level Process Design Engineer to join our Brisbane team.

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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 .

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You will:

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- Work independently on smaller projects
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- Support a Senior Engineer on larger, complex designs
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- Take ownership of technical design, coordination and client interaction
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This role is suited to a practical engineer who enjoys seeing designs built and commissioned — not just developed on paper.

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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 n

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- Develop and review: n n
- Process Flow Diagrams (PFDs)
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- Piping & Instrumentation Diagrams (P&IDs;)
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- Mass balances
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- Complete process design calculations across water and wastewater treatment units
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- Perform: n

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- Equipment sizing and selection (pumps, blowers, valves and process equipment)
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- Hydraulic assessments and system design
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- Prepare and review: n

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- Basis of Design reports
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- Detailed design reports
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- Develop: n

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- Functional descriptions
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- Process control philosophies
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Design Coordination & Project Delivery n

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- Coordinate with civil, structural, mechanical, electrical and controls disciplines
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- Review drawings, specifications and design deliverables
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- Manage RFIs, technical queries and design actions
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- Prepare: n n
- Technical specifications
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- Scopes of work
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- Review: n

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- Vendor submissions and equipment selections
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- Participate in client meetings and design reviews
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- Provide guidance to junior engineers/designers
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Risk & Technical Reviews n

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- Participate in structured risk processes including: n n




- HAZOP
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- CHAIR workshops (1/2/3)
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- CHAZOP
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Construction, Commissioning & Handover n

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- Prepare: n n
- Commissioning Plans
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- Proof of Performance (PoP) plans
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- Provide in office commissioning support, testing and fault finding
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- Conduct site inspections and support construction activities
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- Prepare: n

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- O&M; manuals
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- SOPs
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- Operator training materials
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- Support contractors and clients through construction and startup
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About You n

Australian Permanent Residency or Citizenship is required for this position.

Essential n

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- Degree in Chemical Engineering (Civil or Environmental considered with strong process focus)
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- 4–6 years' experience in water, wastewater or a closely related process industry (minimum 3 years required)
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- Demonstrated ability to: n n
- Develop PFDs, P&IDs; and process calculations independently
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- Contribute to and review technical design documentation
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- Experience writing: n

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- Functional descriptions and/or control philosophies
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- Strong communication skills and ability to be client-facing
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- Willingness to be involved in site work, commissioning and construction support
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- Demonstrated interest in building a career in water and wastewater infrastructure
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Highly Regarded n

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- Experience with: n n
- Treatment plants, pump stations, pipelines or recycled water systems
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- Exposure to: n

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- Design coordination across disciplines
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- Managing junior engineers/designers
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- Experience from: n

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- Engineering consultancies or construction/project delivery roles
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- Experience with: n

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- AutoCAD (essential)
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- Basic AutoCAD drafting proficiency is required for this role.
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- Other process modelling or design software
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Not a Perfect Fit? Still Apply n

We recognise strong engineers don't always come from identical backgrounds.

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We will consider:

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- Engineers from construction or contractor environments with strong delivery and client-facing experience
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- Candidates with minor gaps in specific design areas who demonstrate high capability, ownership and practical project experience
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About Innova Water n

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

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- Based in Brisbane (Ascot), delivering projects across Australia's east coast
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- Working on treatment plants, pump stations, pipelines and recycled water infrastructure
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- A young, high-performance consultancy (small team, high accountability)
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- Focused on delivering practical, construction-ready designs and supporting projects through commissioning and handover
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Why Join Innova Water? n

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- Direct mentoring from an industry-leading process engineer
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- Accelerated technical development compared with large consultancies
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- Early exposure to: n n
- Client interaction
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- Real design decisions
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- Site and commissioning work
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- Small, high-trust team where your contribution matters
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- Opportunity to grow with the business
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You will see your designs through to construction, commissioning and operation — and be directly involved when things don't work as expected.

Working arrangements n

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- Based in Ascot (Brisbane inner north)
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- Predominantly office-based
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- Up to 1 day per week work-from-home
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- Short periods of site work throughout the year
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Salary & Incentives n

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