Senior Mechanical & Process Engineer

Type:
Contract , Full Time
Salary:
$64.15 - $73.76 per hour
Published:
March 2nd, 2026
Location:
Menai, New South Wales, Australia
Reference:
BH-329627
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About the company/role:
Our client is a well-established leader in global nuclear medicine and technology, delivering world-class research and expertise to benefit Australia and support a healthier future.


This is a 14-month contract based at Lucas Heights, Sydney. You'll join a specialised engineering team focused on the design, development, and deployment of industrial-scale process systems and equipment. This role suits an experienced engineer from high-hazard or heavily regulated environments - oil & gas, chemical processing, nuclear, mining, or energy and is ready to apply that expertise to technically rewarding and nationally significant work.

Please note: Australian Citizenship is a mandatory requirement for this role. Security and medical clearances will also need to be satisfied.

Duties:
  • Lead or contribute to engineering packages from concept development through to manufacture, assembly, and commissioning
  • Design and validate industrial-scale process systems and specialised equipment
  • Prepare detailed engineering documentation including technical reports, specifications, datasheets, and calculations
  • Conduct process validation using experimental design and statistical analysis
  • Drive continuous improvement by considering alternative design concepts, constructability, operability, and lessons learnt
  • Verify designs are safe to construct, commission, operate, and decommission
  • Ensure all work aligns with relevant engineering codes, standards, QA, and safety requirements
  • Collaborate across multidisciplinary teams and provide expert technical input on system designs
  • Support scale-up and development of advanced process technologies
  • Address design changes and discrepancies during installation and commissioning phases

Skills/experience:
  • Degree in Mechanical, Chemical, or Process Engineering (or related discipline)
  • Minimum 5 years' experience in a high-hazard or regulated industrial environment - oil & gas, chemical processing, energy, mining, or similar
  • Experience leading or delivering engineering packages from design through to commissioning
  • Proficiency with CAD software (AutoCAD, SolidWorks)
  • Experience with engineering computations and simulations advantageous (highly regarded)
  • Strong knowledge of Australian and international Engineering Design Codes and Standards
  • Ability to produce high-quality technical documentation independently
  • Strong communication and multidisciplinary stakeholder engagement skills
  • Experience with materials selection, process design, or powder handling advantageous
  • Australian Citizenship is essential

Culture & Benefits:
  • Work on complex, high-impact engineering projects that are genuinely unique in Australia
  • Highly collaborative, multidisciplinary team with exceptional technical standards
  • Exposure to advanced process technologies and world-class engineering infrastructure
  • Work alongside industry-leading engineers and scientists
  • Public transport to the company is limited from Sutherland train station, but plenty of parking is available.
  • Pool and leisure facilities on site

If you think this could be the role for you then please apply now! Please send us a cover letter AND a detailed resume in WORD format (PDFs can be corrupted / not processed).  
Or, if you have any questions, please contact Priangel on 0406 558 313.


With over 90 years' combined experience, NES Fircroft (NES) is proud to be the world's leading engineering staffing provider spanning the Oil & Gas, Power & Renewables, Chemicals, Construction & Infrastructure, Life Sciences, Mining and Manufacturing sectors worldwide. With more than 80 offices in 45 countries, we are able to provide our clients with the engineering and technical expertise they need, wherever and whenever it is needed. We offer contractors far more than a traditional recruitment service, supporting with everything from securing visas and work permits, to providing market-leading benefits packages and accommodation, ensuring they are safely and compliantly able to support our clients.

Submission Form

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