One Stone Consulting Pty Ltd

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One Stone Consulting Pty Ltd OneStone is a leading water systems consultancy.

We are a leading water systems consultancy, with a refreshingly collaborative approach to water system design and a wealth of experience, throughout WA and internationally. We provide a range of water system analysis, design and optimisation services, which we adapt and integrate to provide a complete solution to your unique water management challenge.

𝗧𝘄𝗼 𝗻𝗲𝘄 𝗳𝗮𝗰𝗲𝘀 𝗮𝘁 𝗢𝗻𝗲𝗦𝘁𝗼𝗻𝗲! 👋We're pleased to introduce two of our newest team members, Anrie Frost and Robert Kulzinger,...
22/10/2026

𝗧𝘄𝗼 𝗻𝗲𝘄 𝗳𝗮𝗰𝗲𝘀 𝗮𝘁 𝗢𝗻𝗲𝗦𝘁𝗼𝗻𝗲! 👋

We're pleased to introduce two of our newest team members, Anrie Frost and Robert Kulzinger, who bring a great mix of experience across water systems, mechanical engineering and project delivery.

𝗠𝗲𝗲𝘁 𝗔𝗻𝗿𝗶𝗲 – 𝗪𝗮𝘁𝗲𝗿 𝗦𝘆𝘀𝘁𝗲𝗺𝘀 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿

Anrie joined us in May, bringing a background in chemical engineering and experience in the energy sector, where she worked across complex process systems, emerging technologies and project delivery.

Since joining, she's been involved in hydraulic modelling and water hammer analysis, including a recent raw water pipeline project for Fortescue.

Outside of work, Anrie has her hands full with a toddler! She enjoys spending time with her husband, son and dog, gardening and finding time for a good coffee.

𝗠𝗲𝗲𝘁 𝗥𝗼𝗯 – 𝗦𝗲𝗻𝗶𝗼𝗿 𝗪𝗮𝘁𝗲𝗿 𝗦𝘆𝘀𝘁𝗲𝗺𝘀 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿

Robert is a Mechanical Engineer with more than 15 years of experience across the water, energy and heavy machinery industries, both in Australia and internationally.

Originally trained in Germany, Robert has worked on everything from large engine test facilities and specialist machinery to water and wastewater infrastructure. More recently, he's been involved in several Water Corporation projects across WA, including upgrades to pumping stations, reservoirs and water supply infrastructure.

Outside of work, Robert enjoys travelling, mountain biking, yoga and beach volleyball, as well as a good book or movie. He's also a keen tech enthusiast who loves tinkering with gadgets.

It's great to have you both on board!

Great to get the team out of the office and into the workshop with a recent visit to Allied Pumps Commercial for a lunch...
05/05/2026

Great to get the team out of the office and into the workshop with a recent visit to Allied Pumps Commercial for a lunch & learn and factory tour.

There’s something valuable about seeing how things are actually built, not just specified on paper.

A couple of highlights for us:
➡️ The continued evolution of pre-packaged pump systems (sewer and booster units) and how these are gaining broader acceptance across the industry.
➡️ Their down hole injection valve paired with a self-flushing pump - clever thinking with real potential in Managed Aquifer Recharge applications.

Always good to step into a different part of the process and see innovation happening at a practical level.

Thanks to the Allied team for the time and insights.

Many engineers reach a point where they want more:​✅ More influence.​✅ More autonomy.​✅ More meaningful projects.​That’s...
24/03/2026

Many engineers reach a point where they want more:​

✅ More influence.​
✅ More autonomy.​
✅ More meaningful projects.​

That’s exactly why people join OneStone.​

We’re growing our water team and looking for a Senior / Principal Engineer ready to take the next step in their career.​

If you’ve been thinking about a change - even just curious - we’re always happy to have a confidential conversation.​

Explore the role:​
https://www.seek.com.au/job/90689150

https://www.youtube.com/watch?v=zz_nX_G_GI0&t=3s

Watch this video to discover Who We Are, What We Do, and Why We’re Passionate about creating innovative and sustainable water management solutions.Hear from ...

Water infrastructure is becoming increasingly complex and the need for experienced engineers has never been greater.At O...
17/03/2026

Water infrastructure is becoming increasingly complex and the need for experienced engineers has never been greater.

At OneStone, our team works across projects that directly impact communities and future growth.

We’re currently looking for a Senior / Principal Water Systems Engineer to help shape that future with us.

If you’re an experienced engineer looking to move into a role with real influence, we’d love to connect.

Apply here:
https://onestone.com.au/careers/senior-water-systems-engineer/

youtube.com/watch?si=4F2IymiZFjtIWQ_g&v=N5F5vG2AHw0&feature=youtu.be

Innovation & Technology for Smarter Water Solutions OneStone's commitment to innovation and technology allows us to provide smarter, more efficient, and lowe...

We’re hiring!OneStone Consulting is looking for a Senior / Principal Water Systems Engineer to join our team.This is an ...
03/03/2026

We’re hiring!

OneStone Consulting is looking for a Senior / Principal Water Systems Engineer to join our team.

This is an opportunity to step into meaningful infrastructure work, influence project outcomes, and be part of a consultancy that genuinely puts people first.

You don’t need to come from a perfectly aligned water background - strong engineering fundamentals and leadership capability are what matter most.

- Senior influence
- Flexible working
- Supportive, high-trust culture
- Career progression toward principal level

If you’re ready for a role with more impact and autonomy, we’d love to hear from you.
Apply here: https://onestone.com.au/careers/senior-water-systems-engineer/

Or reach out for a confidential conversation.

At OneStone Consulting, you’ll have the opportunity to apply your technical skills and experience while playing a key role in shaping projects, mentoring engineers, and contributing to the growth of a respected specialist consultancy, all within a flexible, supportive working environment.

Real-time control = less energy waste and smoother operation. Our team helps utilities and industries get the most out o...
06/01/2026

Real-time control = less energy waste and smoother operation. Our team helps utilities and industries get the most out of their pump systems. ⚡

Fin out more on our website - https://onestone.com.au/real-time-control-strategies/

All pumps require a control strategy, from basic manual start/stop systems to highly automated, multiple-pump variable-speed systems. In complex systems, the flow and head generated by the pump can be controlled by a Variable Speed Drive (VSD), particularly when the system demands a variety of opera...

Our patented technology creates a digital twin of a pump station and pipeline system, allowing us to test control system...
30/12/2025

Our patented technology creates a digital twin of a pump station and pipeline system, allowing us to test control systems in real time.

Find out more about FluidSpace here:

Unlock the power of FluidSpace™ to streamline operations, reduce risks, and secure your water pipeline systems for the future. With real-time digital twin simulation, you can confidently test, refine, and optimise your water system automation projects.

24/12/2025

Great engineers. Questionable golfers. ⛳️

To wrap up the year, the OneStone Consulting team swapped water system modelling for a day in the Swan Valley - charter bus included, 9 holes of Supa-Golf, a long lunch at Mandoon Estate, and a few competitive (and very social) rounds of Finska at Bailey Brewing Co.

While we pride ourselves on designing smart, resilient water systems, this video confirms that intelligence does not automatically translate to golf ability.

👉 Watch until the end for the outtakes - proof that even very serious engineers shouldn’t be trusted with a golf club.

Thanks to our team for another big year, and to our clients and partners for being part of the journey.

Pressure surges caused by sudden valve or pump changes can damage assets and reduce efficiency. Our engineers model thes...
09/12/2025

Pressure surges caused by sudden valve or pump changes can damage assets and reduce efficiency.
Our engineers model these events early to prevent costly issues, keeping WA’s water systems running smoothly.

Water Hammer Analysis is one of our five core services.
Find out more: https://onestone.com.au/water-hammer-analysis/

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Water hammer phenomena – or hydraulic transients – occur when there is a sudden change in water flow, such as by starting or stopping pumps, or opening or closing valves in a pipeline system.

After a busy couple of months, the team all made last week's   Friday their own.Eelko Van Der Vaart getting to enjoy a l...
02/12/2025

After a busy couple of months, the team all made last week's Friday their own.

Eelko Van Der Vaart getting to enjoy a longer morning surf - Folkert Drijfhout exploring King's Park, and Johannes ... well, Johannes helped the in-laws move house.

We work hard here at OneStone, but we also understand that work is just one element of someone’s life - with family, friends, and hobbies all having an important and irreplaceable part to play.​
This is why we initiated !
For one Friday of every month, we close our doors and take the day to recharge the batteries.​​

Address

Level 1, Suite 3, 310 Lord Street, Highgate
Perth, WA
6003

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