Estimator – Structural Steel Division

Company DescriptionThornton Engineering is a proud, family-owned company established in 1975, known for delivering high-quality steel fabrication for some of Australia’s largest infrastructure projects. With a strong reputation for precision, innovation, and long-term client relationships, we are now seeking a capable and driven Estimator to join our Structural Steel Division. This is a key opportunity for a professional with a background in structural fabrication estimation to make their mark in a growing business — not just estimating projects, but improving how we do it. Job DescriptionPrepare detailed cost estimates and material take-offs for large-scale structural and platework projects.

Interpret engineering drawings, client specifications, and scope documents to produce accurate and competitive quotes. Liaise directly with project managers, engineers, suppliers, and customers to gather project information and align expectations. Collaborate with the broader production and engineering teams to ensure seamless transition from estimate to job award and delivery. Drive improvements in estimation systems, templates, and procedures to enhance speed, accuracy, and repeatability. Manage supplier quotes, cost data, and estimation records using standardised processes and tools. Contribute to continuous improvement initiatives and support junior team members where applicable.

QualificationsPrior experience in estimating for structural steel or heavy fabrication projects (3+ years preferred). Strong working knowledge of fabrication workflows, steel materials, and associated pricing structures. High attention to detail with the ability to identify scope gaps and commercial risks. Familiarity with project management and estimation software (e. g. Excel, MS Project; experience with estimation platforms advantageous). Proven ability to read and interpret structural drawings and technical specifications. Excellent communication and stakeholder engagement skills. Strong time management and the ability to work to strict submission deadlines. A degree in Engineering or equivalent trade background will be highly regarded.

Additional InformationWhy Join Thornton Engineering?Build with the Best – Work on Australia’s largest and most iconic infrastructure projects alongside Tier 1 clients. Our structural division plays a key role in delivering complex, large-scale steel packages that shape the nation. Leave Your Mark – Be part of shaping how our estimation function operates. You’ll help modernise systems, improve accuracy and efficiency, and contribute directly to long-term success. Professional Growth – Join a high-performing team where your skills are valued and your development is supported. You'll gain exposure to major projects, client negotiations, and collaborative delivery with production and engineering teams.

Established, Respected, Growing – With over 45 years of continuous operation, Thornton Engineering is a trusted name in Australian fabrication. As a privately-owned company, we combine stability with agility and a focus on continuous improvement. Location & Lifestyle – Based in Geelong’s northern industrial hub, enjoy the benefits of on-site parking, minimal commute stress, and being part of a supportive, solutions-focused environment. Apply today with your resume and a short cover letter outlining your availability and experience in structural steel estimation. Join a company where precision, innovation, and people are valued. Follow our progress on www. thorntoneng. com. au.