Senior Mechanical Engineer

WorleyParsons; Wagerup; On-site; AUD 120,000 - 170,000; Full time

Job summary

Worley is seeking an experienced Senior Mechanical Engineer to join the project team based at Wagerup. The role is based at site full-time and may transition to a hybrid arrangement after familiarisation.

You will work on Australia’s significant industrial assets, delivering innovative engineering solutions, major projects and critical operational support, with responsibilities spanning design, safety, and project leadership.

Qualifications

• Tertiary qualifications with a 4-year Bachelor degree in Mechanical Engineering.
• Minimum 8 years technical experience in the Refinery/Mining industry or similar.
• Experience leading projects on a discipline level and brownfield processing plants/refineries, preferably Alumina.
• Ability to work across multiple projects.
• Experience across all phases of engineering projects.
• Knowledge of equipment layout, piping design and fluid systems.

Responsibilities

• Deliver mechanical engineering services that meet Worley, client, statutory and regulatory requirements.
• Undertake engineering design and technical verification of discipline deliverables.
• Develop fit-for-purpose solutions from concept to as-built, considering safety, sustainability, constructability, operability, maintainability and decommissioning.
• Identify and manage safety hazards and asset lifecycle risks, ensuring actions are closed out.
• Identify issues, develop practical solutions and seek support where required.
• Perform and/or manage discipline engineering activities, including scope control, calculations, drawings, documentation, checking, project reviews, HAZIDs/HAZOPs and safety in design workshops.
• Prepare mechanical engineering estimates for RFQs, including scope, methodology, assumptions, exclusions, deliverables, schedule inputs and resourcing requirements.
• Contribute to continuous improvement of Worley engineering systems, processes, practices and procedures.
• In a project lead capacity: Manage engineering task sequencing to support project schedules, including third-party activities.
• Act as the primary client interface for discipline-specific engineering matters.
• Maintain technical integrity through checking, design reviews and quality control.
• Provide technical direction, supervision and resource coordination for engineering and design.
• Deliver discipline outputs on schedule and budget while managing change control, technical queries, progress reporting, files and squad checks.

Skills

Equipment layout

Pipe stress analysis

Piping systems design

Fluid system design

Materials handling equipment

Read drawings

Education

Bachelor's degree in Mechanical Engineering

Tools

Navisworks

MS Office

AFT Fathom

Fluid Flow 3

Bluebeam

Adobe Suite

Job description

Job Description - Senior Mechanical Engineer (WAG001O)

Senior Mechanical Engineer - WAG001O

Company : Worley

Job

Mechanical

Schedule

Full-time

Employment Type : Employee

Job Posting

Aug 26, 2026

Unposting Date

Sep 25, 2026

Reporting Manager Title : Delivery Director - Mechanical & Piping

We're seeking an experienced Senior Mechanical Engineer to join the project team based at Wagerup. The role is required to be based at site full time and can transition to a hybrid role once familiarised with the role and project.

Work on some of Australia’s most significant industrial assets, partnering with industry-leading operations to deliver innovative engineering solutions, major projects and critical operational support.

Responsibilities

• Deliver mechanical engineering services that meet Worley, client, statutory and regulatory requirements.
• Undertake engineering design and technical verification of discipline deliverables.
• Develop fit-for-purpose solutions from concept to as-built, considering safety, sustainability, constructability, operability, maintainability and decommissioning.
• Identify and manage safety hazards and asset lifecycle risks, ensuring relevant actions are closed out.
• Identify issues, develop practical solutions and seek support where required.
• Perform and/or manage discipline engineering activities, including scope control, calculations, drawings, documentation, checking, project reviews, HAZIDs/HAZOPs and safety in design workshops.
• Prepare mechanical engineering estimates for RFQs, including scope, methodology, assumptions, exclusions, deliverables, schedule inputs and resourcing requirements.
• Contribute to continuous improvement of Worley engineering systems, processes, practices and procedures.
• In a project lead capacity:
• Manage engineering task sequencing to support project schedules, including third-party activities.
• Act as the primary client interface for discipline-specific engineering matters.
• Maintain technical integrity through checking, design reviews and quality control.
• Provide technical direction, supervision and resource coordination for engineering and design.
• Deliver discipline outputs on schedule and budget while managing change control, technical queries, progress reporting, files and squad checks.
• Tertiary qualifications with a 4-year Bachelor degree in Engineering majoring in Mechanical Engineering.
• Minimum 8 years technical experience in the Refinery/Mining Industry or similar industry; including experience leading projects on a discipline level.
• Extensive experience (>5 years recent) in brownfield processing plants / refineries, preferably in the Alumina industry.
• Must have ability to work across multiple projects.
• Experience across all phases of engineering projects.
• Good understanding and proven experience in:
  • Equipment layout
  • Design of pump and piping systems
  • Fluid system analysis and design particularly of slurry systems
  • Pipe stress analysis
  • Design of pressure equipment
  • Design of materials handling equipment
  • Read and interpret drawings, including general mechanical, piping and P&ID drawings.
• Competent in the use of relevant software such as MS Office Suite and discipline specific software including:
  • AFT Fathom / Fluid Flow 3
  • Non compressible and compressible fluid system analysis
  • Navisworks
  • Bluebeam / Adobe Suite

About us

Worley is a global company of energy, chemicals and resources experts headquartered in Australia. We partner with our customers to deliver projects and create value across the life of their assets. We specialize in consulting, engineering, procurement and construction across the project lifecycle, with services extending through to operations and decommissioning. Leveraging extensive experience and AI-enabled delivery, we support customers in navigating complexity as they meet today's needs and transition to more sustainable solutions.

Moving forward together

We want our people to be energized and empowered to drive sustainable impact. So, our focus is on a values-inspired culture that unlocks brilliance through belonging, connection and innovation. We're building a diverse, inclusive and respectful workplace. Creating a space where everyone feels they belong, can be themselves, and are heard.

And we're not just talking about it; we're doing it. We're reskilling our people, leveraging transferable skills, and supporting the transition of our workforce to become experts in today's low carbon energy infrastructure and technology. Whatever your ambition, there's a path for you here.

And there's no barrier to your potential career success. Join us to broaden your horizons, explore diverse opportunities, and be part of delivering sustainable change.