Are you a driven Project Management professional seeking to build a meaningful career with a leading Australian company? McMahon Services, a privately-owned leader in construction, industrial and environmental services, is looking for a talented Senior Project Manager to join our Civil & Infrastructure team.About McMahon Services At McMahon Services, we are committed to delivering excellence across Australia and New Zealand. We value our people, foster innovation, and provide opportunities for professional growth. With us you will have the opportunity to build a career in one of the most diverse and dynamic construction services companies in Australia.About the Role Lead the strategic management and delivery of complex infrastructure projects across South Australia's Mid North by overseeing delegated engineering, construction, and technical components. In this role, you'll drive project planning, establish key criteria, coordinate reviews, and ensure effective implementation across diverse disciplines—including civil, concrete, electrical, and security works.What You Will Do: Lead project delivery by monitoring progress, adjusting resources, and aligning outcomes with business objectives.Manage subcontractors, approve RFIs, EOTs, and variations, and ensure compliance with contractual and legal obligations.Oversee budgeting, cost forecasting, cashflow, and payment tracking to maintain financial health of the project.Lead project teams with clear delegation, ensuring effective resource allocation and delivery to plan.Implement and monitor risk controls, safety protocols, and quality standards to ensure compliance and performance.What You Will Bring:Minimum 7-10 years’ experience in major construction/infrastructure project delivery preferably in the Civil Engineering space.Experience in Major Projects Contracts administration and management.Experience in managing construction scheduling and cost/cash flow management for major projects.A recognised degree in engineering discipline or other relevant tertiary qualification.Australian Citizen – have a current Defence clearance or the ability to obtain one. What Will Set You Apart: Proven experience in successfully delivering complex regional road and infrastructure projects.Demonstrated ability to apply mature judgment under pressure, offering innovative and practical solutions.Skilled in Microsoft Project, the Microsoft Office suite, Pronto ERP, and platforms such as InEight, Aconex, and Procore.Proven leadership with the ability to manage multiple project elements, adapt to changing demands, and maintain focus on time, cost, and quality.Strong safety focus with a solid understanding of health and safety legislation and relevant Australian Standards.Why Join McMahon Services?We offer a supportive and collaborative work environment where your contributions are valued. You will enjoy:Competitive salary package.Opportunities for professional development and career advancement.Employee discounts & recognition programs.Financial wellness programs include novated leasing.Great employee benefits include paid maternity leave & professional development programs.Strong commitment to safety and well-being.A culture of innovation and continuous improvement.Ready to take the next step in your career? Apply now.At McMahon Services we embrace diversity and inclusion as fundamental values. We believe that a diverse workforce fosters innovation, creativity and a deeper understanding of the communities we serve. We are committed to creating an inclusive environment where all employees feel valued, respected and empowered to contribute their unique perspectives and talents. We encourage applications from people of all backgrounds, identities, and experiences.