Senior Process Engineer

Ausenco · Perth, WA, AU

Full-timeSeniorPublished Jul 23, 2026

Apply directly on Ausenco’s careers site — no account needed.

About the role

Ausenco is a fast-growing company with big ideas. We redefine what’s possible in some of the world’s most complex projects and toughest environments. Delivering innovative, value-add consulting, project delivery, asset operations and maintenance solutions is what we do. From 21 offices in 9 countries, with projects in over 80 locations worldwide, we create sustainable outcomes for our people, clients and communities.

We are currently recruiting for Senior Process Engineers to join our team in our Perth CBD office.

About the role

  • Ensure process engineering design and documentation is consistent with study and project scope & objectives.
  • Develop and assist in development of the following:
  • Process Design Criteria (PDC)
  • Process Flow Diagrams (PFDs)
  • Piping and Instrument Diagrams (P&IDs)
  • Control philosophies and tables
  • Process equipment sizing
  • Heat and mass balances and models,
  • Trade-off studies, operating cost estimates & high-level financial models etc.
  • Provide process engineering and mineral processing expertise all the way through engineering phases from conceptual design, front-end engineering and detailed design and similarly develop connections in the wider Ausenco to leverage capabilities.
  • Apply innovative solutions and technological developments that bring greater value to clients
  • Mentor other Process Engineers and Graduates within the team
  • Work in collaboration with the broader team
  • Capable of prioritizing and delivering work in a fast-moving environment
  • Develop technical specifications and designs to meet project specific objectives
  • Interpret engineering drawings, documents, specifications, and scopes
  • Resolve technical and design issues
  • Liaising with a range of key stakeholders on all technical aspects of projects
  • Providing regular updates to the Project Manager including work progress, risks, and priorities

About you

  • Degree in Metallurgical Engineering, Mineral Processing, Extractive Metallurgy or Chemical Engineering or similar.
  • Ability to adjust to change quickly and adapt to new requirements
  • Experienced in mill, concentrator and/or metallurgical plant design – particularly for base and precious metals
  • Strong analytical and problem-solving skills to identify underlying principles or facts associated with information or data to draw conclusions
  • Operational experience at mines, mineral processing or metallurgical facilities, including managing operational performance and plant improvement projects

Why Ausenco?

We support individual growth and aim to allow you to work in a way that plays to your strengths. In addition to a competitive remuneration package we offer:

  • Career advancement - Be supported in your ongoing development with technical training, mentoring programs and frequent networking opportunities.
  • Work Life Balance – Be empowered to enjoy your life outside of the office with flexible working hours, work from home arrangements and modern leave policies including paid parental leave and floating public holiday programs.
  • Holistic approach to wellness – Take a proactive approach to your overall wellbeing. Access confidential services as a courtesy of Ausenco including online health and fitness programs, financial coaching, and confidential counselling services.
  • Accessible leadership team – Work with highly reputable market leaders who value your contribution.

Our people don’t settle for the status quo. If you have an entrepreneurial spirit and want to help set a new standard in sustainability, we’ll help you find your place. This means working with you to develop a unique career path and skillset to match your ambition.

We’re proud of the work we do, and we do it within a culture that is open, honest, and cooperative. We have a history of attracting visionary people who embrace challenges and deliver creative solutions for every project, and your voice is an important part of the conversation.

As a global company we embrace and encourage diversity in its fullest sense – gender identity, gender expression, sexual orientation, age, experience, nationality, colour, language, religion, location, disability, education, skills, working styles and time availability. Our work environments are based on mutual trust and respect for the rights and opportunities of every individual.

Join us and work a better way.

#LI-Hybrid + LI-LD

Description sourced from the public Indeed listing — this role isn't indexed from the company's career page yet.

Skills

  • Stakeholder Management

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