Isotope Hydrogeologist

Lower Hutt, New Zealand

GNS Science, Te Pū Ao occupies a unique place in New Zealand's science landscape. For more than 150 years we've been producing world-leading Western knowledge-based Earth science research. Now, our practice is evolving to explore and include mātauranga Māori in our research. This - coupled with people who are passionate and committed to science that has real impact - means we are actively working to bringing our vision of a cleaner, safer, more prosperous New Zealand to life. GNS offers a supportive, flexible work environment and professional career development.

We are seeking a proactive and motivated isotope hydrogeologist at the mid-career level for a permanent position at the GNS Science Avalon office, Lower Hutt, Wellington.

The role

This role involves engaging in both research and consultancy projects, with a focus on noble gas analysis, hydrochemistry, and developing new methodologies for enhanced groundwater resource management. The successful candidate will be involved in groundbreaking work using state-of-the-art equipment like GNS's new noble gas purification line, quadrupole mass spectrometer and Helix MC+ multicollector mass spectrometer for groundwater research. Responsibilities include designing and implementing groundwater tracer techniques, maintaining laboratory methodologies, and contributing to the Water Dating Laboratory.

We value initiative, collaborative skills, and a commitment to applying scientific outcomes to real-world challenges. This position offers a unique opportunity to shape the future of hydrogeology and environmental chemistry in New Zealand, and to make a significant impact both locally and internationally.

About You

The ideal candidate will have the following:


  • Ph.D. in isotope hydrogeology, water chemistry, isotope geochemistry, noble gas mass spectrometry or a related discipline in the groundwater sector
  • Experience working with hydrological and/or noble gas measurements including operation, maintenance and data quality analysis
  • Familiarity working a laboratory with analytical equipment; in particular high-vacuum systems, gas-source mass spectrometry, and gas chromatography
  • A valid full driver's licence


  • Advanced IT skills in Windows, geo-spatial (ArcGIS) and coding packages (experience using LabVIEW to control scientific equipment is desirable)
  • Experience writing research proposals
  • Experience working in collaboration with stakeholders and end users

The position is permanent, full time (38 hours per week) employment and will be based at our site in Avalon, Lower Hutt, Wellington.

The salary range for this position is between $104,000 to $133,000 depending on the successful candidate's experience.


Our work helps New Zealanders understand and address climate change, find and use greener energy and better manage the impacts of natural disasters on their homes and communities.

People come from all over the world to work for GNS Science. We foster a positive, collaborative culture, we invest in our people and provide a safe, diverse and inclusive workplace.

Want to know more?

View the full position description for this role and to apply online with your CV and cover letter please visit Please contact with any questions or queries.

Applications close at 11.55 pm on Sunday, 11 February 2024

posted: 31 January 2024     Please mention EARTHWORKS when responding to this advertisement.