Senior / Principal Drainage Engineer

Senior / Principal Drainage Engineer – HDR (Brisbane, QLD) At HDR, we specialise in engineering, architecture, environmental and construction services. While we are most well‑known for adding beauty and structure to communities through high‑performance buildings and smart infrastructure, we provide much more than that. We create an unshakable foundation for progress because our multidisciplinary teams also include scientists, economists, builders, analysts and artists. That is why we believe diversity is our greatest strength. The Role To support HDR’s continued commitment to design excellence and technical delivery, our Transportation Team is looking for an experienced Senior or Principal Drainage Engineer to join us in Brisbane. Our team provides design services to some of the largest transportation projects across Queensland, including the Coomera Connector Stage 1 Program for Helensvale Road to Smith Street Motorway. Reporting directly to the Director – Hydrology and Hydraulics, you will lead the drainage design component and provide technical guidance across complex highways, rail and civil projects. You will work on projects across Queensland, Victoria and internationally. Responsibilities Serve in a senior/principal technical role on complex civil design projects for the drainage and flooding discipline. Prepare detailed designs for roads, drainage systems, and other civil infrastructure in line with project requirements, standards, and best practices. Contribute drainage design input across multi‑disciplinary civil engineering projects within HDR. Provide technical guidance, coaching and mentoring to other professionals within the team, supporting their career development. Use and share your CADD and 12D knowledge with other members of the design team to enhance and expand the design service capabilities. Participate in the development and implementation of technology strategies across HDR’s Brisbane and Victorian Engineering Practice. About You You enjoy working in a close‑knit team environment where collaboration, open communication, and shared problem solving are part of everyday delivery. Independent work is one of your strengths, and you take ownership of tasks to see them through to completion. Guiding and mentoring junior professionals is something you genuinely enjoy, and you take pride in contributing to a positive and supportive team culture. You proactively seek opportunities to add value, whether through improving processes, supporting bids, or contributing technical insights. Opportunities to work on both local and international projects appeal to you. You are adaptable when collaborating with multidisciplinary, geographically dispersed teams. Experience Typically, 10+ years’ relevant experience. Experience in detailed hydraulic designs of stormwater drainage infrastructure such as open channels, pipes, pits and culverts. Thorough knowledge and expertise in drainage design, particularly for transport and infrastructure projects. Knowledge of TMR Road Planning and Design Manual, VicRoads Design Guidelines, AR&R and QUDM, with experience applying these frameworks in practical design solutions. Working knowledge of relevant legislation, regulations, standards and processes. Experience in drainage analysis and design software such as 12D Drainage, TMR Culvert, MUSIC, etc. (Experience in OpenRoads Designer, MicroStation, SWMM and/or Civil 3D are a bonus) Experience in flood studies, GIS and 12D Water 2D/Road Flow Menu/Toolbar is advantageous. Required Qualifications Bachelor's degree in Civil Engineering or equivalent field. Professional engineering licence recognised by the licensing board for the location of the position offered (e.g., Registered Professional Engineer of Queensland). At HDR, we are committed to the principles of employment equity. We are an affirmative action and equal opportunity employer. We consider all qualified applicants, regardless of criminal histories, arrest and conviction records. #J-18808-Ljbffr