Senior Designer Structural, Mechanical and Piping

Tianqi Lithium Energy Australia; Perth; On-site; AUD 120,000 - 180,000; Full time

Benefits offered by this job

Competitive salary

Performance-based bonus

Additional Superannuation

Long service leave

Supportive colleagues

Inclusive environment

Job summary

Tianqi Lithium Energy Australia seeks a Senior Designer Structural, Mechanical & Piping to provide owner-side drafting and design support for refinery operations and capital projects at the Kwinana plant.

The role requires strong SMP drafting knowledge, ability to interpret engineering inputs and produce accurate master drawings, P&IDs and 3D plant models, with Brownfield experience preferred.

Qualifications

• Diploma or Advanced Diploma in Mechanical/Structural Eng or Drafting.
• Minimum 8 years' drafting/design experience in industrial environments.
• Advanced proficiency in AutoCAD and Autodesk Plant 3D; experience with P&IDs and 3D plant models.
• Ability to interpret engineering mark-ups and site verification into master drawings.

Responsibilities

• Provide owner-side SMP drafting and design support for refinery operations and capital projects.
• Prepare, revise and maintain P&IDs, structural, mechanical, piping drawings and layouts using AutoCAD, Plant 3D and related tools.
• Incorporate mark-ups, vendor information, and as-built data into controlled drawings and records.
• Conduct site verification to confirm equipment, piping and layouts; coordinate model integration.
• Coordinate 3D plant models and clash/interface reviews; manage model integration and laser scan data where applicable.
• Maintain drawing registers and document numbering; ensure updates flow to scopes of work.
• Review external drawings for TLK standards and interface consistency; apply approved information.
• Identify and resolve drawing discrepancies in coordination with engineers.
• Check drawings for accuracy and compliance with drafting/document control requirements.
• Provide drafting guidance and support master drawings, P&IDs and as-built records.

Skills

AutoCAD

Autodesk Plant 3D

Navisworks

P&IDs

3D plant models

Education

Diploma/Advanced Diploma in Mechanical/Structural Eng or Drafting

Tools

AutoCAD

Plant 3D

Navisworks

Job description

Date: 3 Sept 2026

Location: Perth, WA, AU, 6167

Company: Tianqi Lithium

Custom Field 1: 878

OUR CULTURE

We are a joint venture between Tianqi Lithium Corporation and IGO Ltd. As pioneers in the Australian lithium industry, we've already achieved great things, including building the first battery-grade lithium hydroxide plant in Australia, paving the way for Australia to be a major player in the global transition to a clean energy future. We’re looking for people who want to be a part of the industry of the future - people who work with purpose and urgency, take initiative, and rise to challenges. We're seeking individuals who empower others, embrace innovation, and want to work in an open and supportive environment, where teamwork and collaboration are valued. At TLEA, you’ll be part of a team that is excited to be involved in a world-class project that benefits not only the Western Australian community but the world.

About The Position

Are you passionate about making a real impact? TLEA is welcoming applications for a full time, Max term Senior Designer Structural, Mechanical & Piping to join our team working at our Kwinana plant.

The successful applicant will be responsible for providing owner-side drafting and design support by preparing, revising and maintaining structural, mechanical, piping and process drawings and associated documentation for refinery operations, plant modifications and capital projects as required. The role requires strong SMP design and drafting knowledge to independently interpret approved engineering inputs, vendor information and site conditions, identify and resolve drawing and interface issues, and maintain clear, coordinated and reliable master drawings, P&IDs, 3D plant models, engineering registers and as-built engineering records.

In addition to possessing our core values of distinction, pragmatism, honesty, tenacity and innovation, this position will suit an individual with previous experience in structural, mechanical and piping design, preferably within Brownfield environments and Operations.

Duties & Responsibilities

• Provide owner-side SMP drafting and design support for refinery operations, plant modifications and capital projects as required.
• Prepare, revise and maintain P&IDs, structural, mechanical, piping, equipment layout and associated engineering drawings using AutoCAD, Plant 3D and other nominated design systems.
• Incorporate approved engineering mark-ups, vendor information, site redlines and as-built information into controlled drawings, models and associated records.
• Conduct site verification as required to confirm existing equipment, piping, structures, plant layouts and installation details.
• Prepare, update and coordinate SMP layouts within multidisciplinary 3D plant models, including model integration, clash/interface review and use of laser scan or point cloud information where applicable.
• Maintain relevant drawing registers, equipment and line lists, document numbering and revision status based on approved engineering information, and provide current drawing and document inputs to project scopes of work and deliverable lists.
• Review consultant, vendor and supplier drawings for compliance with TLK drafting standards, drawing numbering, document requirements and drawing/model interface consistency, and incorporate approved information into controlled plant drawings and models.
• Identify and resolve drawing discrepancies, missing information and discipline interface issues in coordination with the relevant engineer.
• Check drawings, models and associated documentation for accuracy, completeness and compliance with drafting and document control requirements.
• Provide practical drafting and design guidance to other team members where required and support the maintenance of accurate master drawings, P&IDs and as-built engineering records.

What You Can Bring

• Diploma or Advanced Diploma in Mechanical Engineering, Structural Engineering, Engineering Drafting or a related discipline, or equivalent relevant industry experience.
• Minimum 8 years’ relevant structural, mechanical and/or piping drafting or design experience within an industrial, processing, mining, chemical, energy or heavy industry environment.
• Advanced proficiency in AutoCAD and Autodesk Plant 3D, with demonstrated experience independently preparing, revising and checking P&IDs, structural, mechanical, piping, equipment layout and associated engineering drawings.
• Strong ability to interpret engineering mark-ups, P&IDs, vendor drawings, equipment and piping information, structural information and existing plant drawings, and incorporate site verification information into master and as-built drawings.
• Demonstrated experience in brownfield plant modifications, multidisciplinary coordination, drawing and document registers, and preparation and maintenance of engineering drawings within an operating plant or project environment.
• Demonstrated experience preparing, reviewing and coordinating multidisciplinary 3D plant models, including equipment, piping and structural layouts, model integration and clash/interface review; proficiency in Navisworks and experience reviewing and interrogating 3D laser scan or point cloud data is required.

What We Offer

• Contribute to a green and sustainable industry of the future.
• Competitive salary with a performance-based discretionary bonus structure
• Additional Superannuation
• Award and recognition program
• Long service leave option after 5 years (pro rata)
• Supportive colleagues committed to your success and well-being
• Inclusive and diverse work environment

LOCATION

TLEA proudly acknowledges and the Whadjuk and Gnaala Karla Boodja people of the Noongar Nation, as the traditional custodians of the Kwinana area, where we operate our plant.

Kwinana is 38 km from the Perth central business district, 20 km from City of Fremantle and just 7km from Rockingham.

At Tianqi Lithium Energy Australia, we embrace and recognise the value of diversity. We are committed to providing a work environment where everyone is included, treated fairly and with respect. We welcome and encourage applications from people from diverse backgrounds.