CNC Machinist

Expression of Interest

Start: Late 2025

Location: Bowhill, SA

Role Purpose

As CNC Machinist at Bowhill Engineering, you’ll play a pivotal role in one of the most significant infrastructure projects in South Australia — the Torrens to Darlington (T2DA) Tunnel. Using one of the largest, most capable machining centres of its type in Australia, a brand new Okuma MCR-A5C-30 (6.5m long bed), complete with index head, 600mm column riser, Renishaw Touch Probe and Mastercam software. With a solid 18 months of continuous work to implement the processes, this 6,600 tonne project has 650 critical components to be machined across 12 detailed programs, this is your chance to take the reins on state-of-the-art technology and shape project outcomes from day one.

You’ll go beyond just operating the machine — you’ll be intimately involved in installation, commissioning, programming, and tooling setup on our new machining centre. This role is ideal for a high-performing tradesperson or technician with a deep understanding of CNC machining principles and a passion for innovation. Growth of the machining area of our business is expected to follow, what a great opportunity to boost your career, help shape this from ground zero and build this area of the business into a market leader in large component machining.

Key Responsibilities

• Commissioning & Tooling Setup
• Example: Lead installation of CNC equipment and initial commissioning phases. Set up all required tooling and fixturing
• Success: Equipment installed and running to spec; tooling library optimised for repeatability and safety

• Program Development & Machining –
• Example: Develop, test and refine 12+ CNC programs for 650 components
• Success: Accurate execution of parts within tolerance, cycle times & finish outcomes optimised

• Continuous Improvement
• Example: Collaborate with engineering, production and tooling suppliers to identify machining efficiencies
• Success: 1 significant improvement implemented/month, cycle time or scrap rate reductions

• Maintenance & Uptime
• Example: Execute routine maintenance schedules; troubleshoot issues swiftly
• Success: Downtime <5%, minimal job disruption

• Team Collaboration
• Example: Support the production team with advice, mentoring, and real-time feedback
• Success: Seamless integration between design and production, bring on trainee operator to competency.

Why Join Bowhill Engineering?

• Be the first to run and shape how we use brand-new, state of the art CNC machining tech
• Play a lead role in the delivery of a “once in a generation” infrastructure project.
• Join a culture where innovation, grit, and collaboration aren’t just words — they’re how we thrive
• Work in a regional SA team that punches well above its weight in engineering excellence

Qualifications & Experience

• Trade qualified, proven experience in machining / CNC programming (Cert III or higher preferred)
• Proven experience commissioning CNC machinery and developing programs from scratch
• Skilled in tool setup, G-code programming, and multi-axis machining
• Strong computer skills and a systems mindset
• Exposure to large-scale infrastructure or structural steel environments is a plus

Behaviours We Value

• Adaptable: Able to think through changing priorities, a can do person that works out how to get things done safely.
• Reliable: Follows through and owns outcomes, thinks ahead.
• Skillful: Continuously sharpens CNC and machining expertise
• Initiative-Driven: Doesn’t wait to be asked — steps in and steps up, finds a way.
• Team Player: Works closely with production, design, management and suppliers.
• Clear Communicator: From tooling changes to project feedback, you’re heard and understood
• Meticulous: takes care of the equipment to ensure that it is operating at 100%

Sound like you? Let’s chat. We’re building something special here in Bowhill – and we want you on the journey.

How to Apply – Apply now, further details available via Bowhill Engineering website. Cover letter, Resume & 3 x references required