Senior Process Improvement Engineer - Lean Manufacturing Leader

Rinnai; Melbourne; On-site; AUD 120,000 - 180,000; Full time

Benefits offered by this job

Onsite car parking

Health and wellbeing programs with on‑

Job summary

Rinnai in Braeside, Melbourne is seeking a Senior Process Improvement Engineer to lead manufacturing process optimisation across the site. You will drive continuous improvement from concept through prototyping, testing and production release, acting as the manufacturing improvement expert.

The role reports to the Production Engineering Manager and offers hands-on responsibility, cross-functional collaboration, and opportunities to implement Lean initiatives in a growing manufacturing environment.

Qualifications

• Degree in Mechanical Engineering or Manufacturing Engineering.
• 3–5 years' experience in production engineering.
• Experience with welding and automation.
• Strong problem-solving and analytical skills.
• Good communication and project management skills.
• Ability to work across engineering, manufacturing and other functions.

Responsibilities

• Drive continuous improvement to enhance manufacturing efficiency, quality and productivity.
• Develop and optimise manufacturing processes, layouts and workflows with Production Managers.
• Support introduction of new products into production including prototyping and release.
• Design and implement production aids, fixtures, jigs and process controls for safety and quality.
• Lead investigations using root cause analysis to resolve issues.
• Collect and analyse manufacturing performance data to identify opportunities.
• Create and maintain production documentation (work instructions, SOPs, quality docs).
• Provide technical guidance and training to production teams on CI tools.
• Liaise with suppliers, contractors and internal stakeholders for projects.
• Drive Lean initiatives and waste reduction across value stream.

Skills

Mechanical Eng

Manufacturing Eng

Lean Manufacturing

Root cause analysis

Welding & Automation

Data analysis

Process documentation

Project management

Communication

Education

Mechanical Engineering or Manufacturing Engineering degree

Tools

Engineering drawing

Product simulation

Job description

Rinnai in Braeside, Melbourne is seeking a Senior Process Improvement Engineer to lead manufacturing process optimisation across the site. You will drive continuous improvement from concept through prototyping, testing and production release, acting as the manufacturing improvement expert.

The role reports to the Production Engineering Manager and offers hands-on responsibility, cross-functional collaboration, and opportunities to implement Lean initiatives in a growing manufacturing environment.