Chess Engineering is a CC3-certified, triple-ISO accredited steel fabrication and mechanical engineering business based in Welshpool, WA. We manufacture complex structural and mechanical equipment for Tier-1 mining and infrastructure clients across Western Australia and nationally.
We are seeking an experienced Senior Estimator to lead our estimating function, with a strong background in OEM manufacturing, fixed plant equipment, and engineered products.
The Role
As Senior Estimator, you will be responsible for leading all estimating and tendering activities for OEM-manufactured equipment and fabricated assemblies. This is a senior, hands-on role suited to someone who understands how equipment is actually built on the shop floor and priced accordingly.
You will manage your own tender accuracy and on-time performance and work closely with operations to ensure estimates are buildable, competitive, and commercially sound.
Key Responsibilities
* Lead the estimating function for OEM-manufactured equipment and fabricated products
* Prepare and review detailed cost build-ups covering materials, labour, surface treatment, transport, and risk
* Ensure 100% on-time tender submissions with clear assumptions, exclusions, and clarifications
* Review drawings, specifications, and scopes to identify risks and value-engineering opportunities
* Work closely with production, procurement, and project teams to ensure pricing reflects real manufacturing outcomes
* Maintain and improve estimating systems, rate libraries, and templates
* Support post-tender clarifications and commercial negotiations
About You
* Extensive experience in estimating for OEM manufacturing, fixed plant, bulk materials handling, or mechanical equipment
* Proven ability to manage multiple tenders concurrently
* Strong understanding of workshop fabrication, machining, welding, and assembly processes
* Commercially astute, detail-driven, and comfortable owning pricing decisions
* Strong Excel and estimating system capability
What We Offer
* Senior role within a stable, growing WA-based manufacturer
* Direct influence on pricing strategy and workload pipeline
* Competitive salary package commensurate with experience
* Long-term career opportunity within a business investing in systems and capability
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