Job Description
Job Title:  Principal Environmental Engineer
Posting Start Date:  23/09/2026
Job Description: 
  • Lead environmental engineering across operations and projects
  • Provide technical expertise in compliance, risk and environmental performance
  • Permanent Perth-based role with competitive benefits

 

At INPEX, our energy is helping to shape a brighter future.

 

We are proudly supporting positive outcomes in Australian communities, through jobs, training, and social and economic benefits. Our Australian energy portfolio includes Ichthys LNG which we operate, plus participating interests in Prelude FLNG, Darwin LNG, Van Gogh and Ravensworth. We are actively pursuing carbon, capture, and storage opportunities to help provide a cleaner upstream business for Ichthys LNG.

 

Our inclusive culture is key to our success – valuing diversity and bringing us together as a connected and innovative team. As an international company, INPEX offers unique opportunities to collaborate with colleagues from across the globe. We are keen to attract and develop passionate, motivated, and safety-minded people from all backgrounds who want to help support society’s growing need for secure, affordable, and clean energy.

 

Join our HSE team in Perth as a Principal Environmental Engineer. In this permanent role, you'll provide environmental engineering leadership across operations and projects, helping manage environmental risk, support regulatory compliance and deliver sustainable business outcomes. Occasional travel to onshore and offshore facilities will be required.

 

About the role

 

Reporting to the Manager Environment, you'll act as the environmental engineering subject matter expert across INPEX Australia, providing specialist advice and support to both operations and development activities.

 

Working closely with multidisciplinary teams, contractors and senior stakeholders, you'll support environmental performance across the asset lifecycle, helping manage environmental risk, meet regulatory requirements and deliver sustainable business outcomes.

 

What's on offer?

 

  • A senior technical leadership role with influence across operations and major projects.
  • Opportunity to shape environmental engineering outcomes across a diverse energy portfolio.
  • Exposure to complex technical challenges and key business decisions.
  • Flexible working arrangements and a supportive team environment.
  • Competitive remuneration and performance-based incentives.

 

Key responsibilities

 

  • Act as the environmental engineering subject matter expert for INPEX Australia.
  • Provide technical advice and support across operations, projects and business initiatives.
  • Review design and operational changes to assess environmental impacts, risks and compliance obligations.
  • Lead environmental engineering studies, assessments and technical work programs.
  • Manage environmental engineering contractors, consultants and specialist service providers.
  • Support environmental risk management, regulatory compliance and continuous improvement initiatives.
  • Collaborate across the business to promote best-practice environmental engineering outcomes.

 

What we're looking for

 

We welcome candidates from diverse backgrounds and experiences. If you're excited about this opportunity and have transferable skills or relevant experience, we'd love to hear from you.

 

You could be a great fit for this role if you have:

 

  • Environmental engineering experience within oil and gas, energy, resources or other complex industrial environments.
  • Knowledge of Australian environmental regulatory frameworks and environmental risk management principles.
  • Experience providing technical advice and influencing environmental outcomes in operational and/or project environments.
  • Strong stakeholder engagement, communication and relationship-building skills.
  • Strong analytical and problem-solving capabilities.
  • A collaborative, proactive and solutions-focused approach.

 

Helpful for success in this role

 

  • Tertiary qualifications in Environmental Engineering, Chemical Engineering or a related discipline.
  • Experience applying environmental engineering expertise within complex operational and project environments.
  • Knowledge of Australian environmental regulatory frameworks and environmental risk management principles.
  • Experience leading technical studies, assessments and environmental programs.
  • Experience managing consultants, contractors and key stakeholders.

 

Even if your experience doesn't align perfectly with every requirement, we encourage you to apply. We value diverse perspectives and recognise that skills can be gained through many different pathways.

 

Closing date for applications is 7 October 2026. INPEX reserves the right to close applications early should a suitable pool of candidates be identified. Please note that direct feedback on applications will only be provided to interviewed candidates.

 

Why Join INPEX?

 

Leave & Flexibility

  • 16 weeks of fully paid parental leave.
  • Options to purchase additional leave.
  • Flexible working arrangements.
  • INPEX Foundation Day, discretionary leave and community volunteering leave.

 

Remuneration & Financial Benefits

  • Competitive remuneration package with performance-based incentives.
  • Superannuation above the standard guarantee.
  • Salary packaging options, including novated leasing.
  • Reward and recognition programs, including access to discounts from over 350 retailers.

 

Career Growth & Development

  • Clear pathways for career development.
  • Structured leadership development programs with ongoing support.
  • Study leave and ongoing learning opportunities.

 

Wellbeing

  • Access to wellbeing initiatives, including gym membership options and health resources.
  • A supportive workplace focused on safety, balance and sustainable work practices.

 

We value diversity in our workplace, including beliefs, cultures and lifestyles, so we can bring our true selves to work every day. If you believe that you have most, but not all, of the requirements outlined above, we encourage you to still apply.

 

We welcome all candidates to advise us throughout the recruitment process if we can support you with accommodations to make this a more inclusive experience.