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Technical Assistant

A fantastic opportunity has become available for a motivated and enthusiastic Technical Assistant to join our workshop team based in Balcatta.


This position will be responsible for:

  • Assisting with the repair, maintenance, and testing of mechanical components and equipment.

  • Reading and interpreting engineering drawings, procedures, and technical documentation.

  • Supporting the evaluation of repair requirements and documenting findings on QA job cards.

  • Ensuring all spare parts used are correctly recorded against repair documentation and QA records.

  • Assisting with fault finding and troubleshooting activities within your level of competency.

  • Carrying out mechanical fitting, assembly, disassembly, and lapping duties as directed by your supervisor.

  • Ensuring all outgoing jobs are completed to a high standard of quality and workmanship.

  • Maintaining compliance with NATA and ISO 9001 quality requirements.

  • Working collaboratively with the workshop team to meet customer and operational priorities.

  • Providing assistance and support to team members where required.

  • Following all Company policies, procedures, and Callidus standards.

  • Completing any other duties as reasonably requested by Management.


Ideally, you will have the following:

  • Previous experience in a mechanical workshop environment (desirable but not essential).

  • Previous experience with pressure testing equipment (desirable but not essential).

  • Strong mechanical aptitude and willingness to learn.

  • Ability to read and follow technical instructions and procedures.

  • Strong attention to detail and commitment to quality workmanship.

  • Good organisational and time management skills.

  • Ability to work effectively as part of a team.

  • Commitment to maintaining a safe work environment.

  • Positive attitude and strong work ethic.


We offer:

  • Full training and ongoing development opportunities.

  • Career progression within a growing organisation.

  • Stable and supportive working environment.

  • Callidus branded workwear.

  • Free onsite parking.

  • Employee Assistance Program (EAP).

  • Opportunity to develop valuable mechanical and technical skills.

Callidus are world leaders in the repair and maintenance of valves for the Oil and Gas, Mining, and Renewable Energy industry - check out our website for further information on what we do.

Callidus Process Solutions is entering an exciting new chapter. As a trusted provider of specialist engineering, inspection, and maintenance services, we’ve built our reputation on technical excellence, innovation, and a commitment to helping clients operate safely and efficiently. We are proud to share that Callidus Process Solutions has recently been acquired by Score Group, a global leader in engineering services and asset integrity management.

This partnership strengthens our capabilities, expands our global reach, and opens the door to new opportunities for our people and our customers. With the backing of Score Group’s resources and international footprint, we’re poised for significant growth—and we’re looking for talented individuals who want to be part of this next phase.

The successful candidate will be required to meet our pre-employment criteria including drug and alcohol screening prior to an offer of employment being made.  

Due to the high volume of applications received, only those applicants who are shortlisted will be contacted.

Callidus is committed to creating a diverse working environment and is proud to be an Equal Opportunity employer.  In expanding our workforce, we welcome the unique contributions that you can bring in terms of age, nationality, religious beliefs, sexual orientation, gender identity or expression, physical ability, cultural background and education. We encourage applications from Aboriginal and Torres Strait Islander people.   

To those applicants not shortlisted, we extend our appreciation for considering Callidus as a potential employer.