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Design Engineer – Water & Sewer
Brisbane, QLD
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Position Description

Water & Sewer Design Engineer (RPEQ)

Location: Brisbane, QLD

Employment Type: Full-Time

Salary Range: $130,000 – $165,000 + Super (dependent on experience)


About the Role


We are seeking a Brisbane-based Water & Sewer Design Engineer (RPEQ) to lead and deliver the design of water and wastewater infrastructure projects across SEQ. This role will suit a technically strong engineer who enjoys taking ownership of design outcomes, mentoring junior staff, and ensuring compliance with Queensland standards and legislation.

You will play a key role in delivering safe, compliant, and constructible designs across greenfield and brownfield environments.


Key Responsibilities

  • Lead the design of water reticulation and sewer networks.
  • Prepare detailed design documentation, drawings, reports, and specifications.
  • Undertake hydraulic modelling and capacity assessments.
  • Ensure compliance with SEQ service authority standards and Queensland regulations.
  • Provide RPEQ certification and sign-off where required.
  • Liaise with clients, councils, utilities, and contractors.
  • Mentor graduate and mid-level engineers.
  • Contribute to project planning, scheduling, and cost estimation.


Technical Skills & Experience

  • Bachelor’s degree in Civil Engineering or related discipline.
  • Current RPEQ registration (mandatory).
  • 5+ years’ experience in water and sewer infrastructure design.
  • Strong knowledge of SEQ standards (Unitywater, Urban Utilities, Logan, Redland etc.).
  • Experience with Civil 3D and hydraulic modelling software (e.g., SewerGEMS, WaterGEMS, InfoDrainage, SWMM).
  • Strong understanding of WSAA codes and Queensland legislation.
  • Experience in design approval processes with local authorities.


Personal Attributes

  • Detail-oriented with strong technical judgement.
  • Confident communicator able to engage stakeholders.
  • Solutions-focused and commercially aware.
  • Comfortable operating in a fast-paced consultancy environment.


What’s on Offer

  • Competitive salary aligned with RPEQ capability.
  • Career progression toward Senior / Principal level.
  • Flexible work arrangements.
  • Exposure to diverse water and wastewater infrastructure projects.
  • Supportive technical team environment.


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