About The Role :
We are seeking a highly experienced Senior Mechanical Engineer with a background in manufacturing or heavy industry to join our Whyalla team.
The successful candidate will lead the planning, design, and execution of major mechanical engineering projects, ensuring compliance with Australian and international standards.
This role requires strong leadership, hands-on design expertise, and experience with engineering software and systems such as AutoCAD, SolidWorks, and SAP.
Employee Benefits :
- Comprehensive training and development – We invest in your skills through leadership programs, mentoring, technical upskilling, and nationally recognised qualifications.
- Competitive remuneration package – Including a competitve salary, and performance-based incentives aligned with business outcomes.
- Stability and job security – Join an organisation with over 100 years of steelmaking heritage, backed by major government and private investment.
- Work-life balance – Predictable roster structure, onsite parking, and flexibility for professional and family commitments.
- Relocation support – Domestic relocation assistance, including moving costs, travel, and temporary accommodation.
- Live, Work & Play in one location - just minutes from the Whyalla township and beautiful coastline
Key Responsibilities :
Lead the mechanical engineering design, planning, and execution of major projects and capital projects in collaboration with multidisciplinary teamsManage contractors and subcontractors to ensure work is performed safely, on time, and within budgetProvide technical guidance and mentorship to junior engineers and project teamsDevelop detailed mechanical designs using AutoCAD, SolidWorks, or other relevant softwareEnsure all mechanical designs and activities comply with Australian standards (AS / NZS) and other relevant codesUtilize SAP systems for project tracking, asset management, and procurement processesCoordinate and conduct technical reviews, quality assurance, and risk assessmentsLiaise with clients, suppliers, and stakeholders to ensure alignment of project objectives and deliverablesPrepare and maintain comprehensive engineering documentation, including specifications, reports, and drawingsStay abreast of industry advancements and implement best practices to drive continuous improvementAbout You :
Bachelor’s degree in mechanical engineering or a related disciplineOver 10 years’ proven experience in mechanical engineering, particularly in planning and executing major projectsExtensive experience managing contractors and project teamsProficient in mechanical design software including AutoCAD and SolidWorksWell-versed in Australian standards and other international standards relevant to mechanical engineeringExperience using SAP for engineering and project management functionsStrong leadership, communication, and stakeholder management skillsChartered Engineer status (CPEng) with Engineers Australia is highly preferredPersonal Attributes :
Proactive and self-driven with excellent problem-solving, analytical, and investigative skillsStrong organizational skills with the ability to manage multiple priorities effectivelyDemonstrated ability to work effectively under pressure and meet tight deadlinesCommitted to safety, quality, and delivering outcomes that exceed expectationsCollaborative and able to work effectively within multidisciplinary teamsAbout Us :
OneSteel Manufacturing is proud to operate one of Australia’s most critical mining and steel manufacturing businesses. As the nation’s only producer of special grade billet and steel long products, we play a vital role in powering Australia’s infrastructure — from rail networks to major construction projects.
Our Whyalla-based operations are backed by State and Federal Government investment, reinforcing our position as a cornerstone of Australia’s sovereign manufacturing capability. These assets are not only essential to industrial resilience but also contribute to the long-term security and self-sufficiency of the nation’s supply chain.
At OneSteel, we don’t just manufacture steel — we help build the future of Australia.
It is our ambition to cultivate an inclusive workplace that is as diverse as the communities we serve. We encourage candidates from all cultural backgrounds, genders, orientations, age groups, and abilities to apply. Your diversity is our strength in creating sustainable and innovative steel solutions for Australia's tomorrow.
We are a 2025 Circle Back Initiative Employer – we commit to respond to every applicant.