Senior Commercial Reservoir Analyst

Date: 16 Jul 2025

Location: Brisbane, QLD, AU, 4000

Company: Origin Energy Services Ltd

  • Competitive salary + annual performance bonus 
  • Career development opportunities 
  • Brisbane based

 

Join a team that's All Kinds of Useful

 

At Origin, being useful is more than a tagline - it’s how we approach work every day. As a collective, we’re a team that thrives on finding better ways, working together, and owning our impact. From powering homes to delivering award-winning internet and helping to lead Australia’s energy transition. If you’re driven by purpose and excited to be part of something bigger, we’d love to have you on the journey.

 

 

About the role 

 

Join our dynamic and high-performing team as a Senior Commercial Reservoir Analyst where you will lead multi-disciplined teams in optimising development plans and delivering strategic insights across APLNG’s portfolio.  

 

You'll be responsible for aligning development outcomes with executive strategies, and ensuring a value-optimised, safe portfolio plan. With a focus on continuous improvement, you'll drive advanced planning frameworks and present key insights to senior leadership, shaping the future of our integrated planning efforts. 

 

More about you: 

 

  • Lead multi-disciplinary teams to optimise and model development scenarios, collaborating with Asset teams, Gas marketing, Non-Operated Joint Ventures, and Shareholders. 

  • Review and assure the impacts of development and production risks, providing insights on contingency options. 

  • Collaborate with commercial and business development teams to assess new opportunities. 

  • Align potential development scenarios with IG strategy options for executive engagement. 

  • Deliver a safe and value-optimised portfolio plan, prioritising low-cost supply opportunities. 

  • Communicate development plan outcomes, insights, and recommendations with executive leaders and shareholders. 

  • Coach the team to drive functional standardisation, consistency, and continuous improvement in long-term planning processes. 

  • Ensure accurate production inputs into planning processes through cross-functional collaboration. 

 

About you 

 

To be successful in this role you will come with extensive experience in upstream oil and gas, with a deep understanding of production management and/or field development planning, together with demonstrated capability to plan, prioritise, and deliver high-value outcomes both independently and as part of a team. 

 

More about you: 

 

  • Bachelor's degree in Petroleum Engineering, Economics, Finance, or a related field. 

  • Experienced in Petroleum Economics and Decision Analysis. 

  • Ability to manage and influence multiple stakeholders with differing objectives and priorities. 

  • Strong technical and commercial curiosity with an appreciation of risk and uncertainty. 

  • Substantial modelling capability in advanced upstream modelling tools; experience with Planning Space and/or Enersight is desirable. 

 

This is your chance to collaborate with reservoir and development engineers, asset services, CSG marketing, finance, and technology teams to drive asset value and support the success of Origin’s Integrated Gas division. Apply now! 

 

 

So, why join us?  

 

  • Discounted Origin product benefits for employees, including Electrical, Gas and Internet offers! 

  • Flexible working environment 

  • Competitive salary + annual performance bonus + performance based reviews 

  • Origin 360 Electric Vehicles (EV) employee subscription offers a fantastic range of EVs, with flexible month-to-month plans and no lock-in contract. 

  • Free and confidential counselling for employees and family members. 

  • A great high energy team, that encourages interesting, rewarding, and engaging work! 

 

Origin - Where good change happens

 

At Origin, we’re powered by people who believe in creating change.


We are committed to fostering a diverse, gender equitable workforce, where everyone is welcome, and all applications are evaluated on merit and potential. We encourage applications from Aboriginal and Torres Strait Islander Peoples, people living with disabilities, culturally diverse people, any stage in life, people with intersex variations and people within LGBTQ+ communities, including trans and gender diverse. 
 

Enjoy a challenging career in an exciting industry where you can grow and explore your potential. If you think you have transferable skills, an appetite to learn and would be a great fit, we’d love to hear from you. 


Here's a little about us: https://www.originenergy.com.au/about/careers/

 

Background checks may be required to determine your suitability for this position as part of the recruitment process and during your employment. These checks may include police checks, AusCheck, medical assessment and/or drug and alcohol testing.

 

Please note unsolicited CVs from agencies will not be accepted.

 

Origin recognises Aboriginal and Torres Strait Islander Peoples as the Traditional Custodians of country throughout Australia, and we pay our respects to Elders past, present and future.