Senior Mechanical Engineer - Brownfield & Debottlenecking

Tianqi Lithium Energy Australia; Perth; On-site; AUD 150,000 - 190,000; Full time

Benefits offered by this job

Competitive salary with bonus

Additional Superannuation

Award and recognition program

Long service leave after 5 years

Diverse and inclusive environment

Supportive colleagues and well-being

Job summary

Tianqi Lithium Energy Australia is seeking a Senior Mechanical Engineer to lead debottlenecking and brownfield modification projects at the Kwinana plant, coordinating multi-discipline teams to deliver safe, compliant designs.

The role requires a >=10 years track record in mechanical engineering within process industries, strong Australian Standard knowledge, and hands-on review of drawings, datasheets and 3D models. Perth area-based position with competitive package.

Qualifications

• Bachelor’s degree in mechanical engineering and chartered intent preferred.
• Minimum 10 years in mechanical engineering, brownfield and project work.
• Strong knowledge of Australian Standards (AS1210/AS4041/ASME).
• Experience reviewing 3D models, drawings and deliverables.

Responsibilities

• Lead mechanical design and assessments for debottlenecking PMR projects, including piping, equipment and layouts.
• Review datasheets, equipment specs, drawings, tie-ins and calculations.
• Ensure designs comply with Australian Standards and TLK practices.
• Coordinate with process, civil, structural, electrical and instrumentation teams.
• Support procurement with technical specs and vendor evaluations.
• Participate in HAZOPs, constructability reviews and risk assessments.
• Provide engineering support during construction, commissioning and handover.
• Engage operations to ensure maintainability and site alignment.

Skills

Strong communication

Stakeholder engagement

Safety-focused mindset

Constructability awareness

Team collaboration

Education

Bachelor’s degree in mechanical engineering

Job description

Tianqi Lithium Energy Australia is seeking a Senior Mechanical Engineer to lead debottlenecking and brownfield modification projects at the Kwinana plant, coordinating multi-discipline teams to deliver safe, compliant designs.

The role requires a >=10 years track record in mechanical engineering within process industries, strong Australian Standard knowledge, and hands-on review of drawings, datasheets and 3D models. Perth area-based position with competitive package.