We are seeking an experienced Master Plumber to join our Adelaide team as a Plumbing Site Manager. This is a hands‑on leadership role where you will lead from the front, drive high standards on‑site, and contribute to the continued growth of our plumbing division. Reporting to the Operations Manager, you will be responsible for delivering plumbing projects safely, on time, and to a high standard, while mentoring teams and supporting business growth. Key Responsibilities Lead and supervise site‑based plumbing teams across commercial projects Drive a strong safety culture and ensure compliance with all statutory and company requirements Coordinate labour, materials, and equipment to optimise project delivery Maintain quality control across all stages of works Read, interpret and manage drawings, specifications, and design changes Build strong relationships with clients, subcontractors, and internal stakeholders Contribute to continuous improvement and development of the plumbing business About You Master Plumber qualification, current driver’s licence, and White Card Minimum 5+ years’ experience in a Site Manager role within commercial plumbing Strong experience across commercial plumbing systems including hydraulics, fire services, hot water systems, TMVs, water filtration and tempering systems Proven ability to plan, coordinate and manage materials, tools, and site resources efficiently Solutions focused mindset with a strong understanding of compliance, standards, and best practice Experience working on complex or large‑scale commercial and/or civil projects (desirable) Strong leadership, communication, and problem‑solving skills Flexibility to travel to regional projects when required Ability to pass pre‑employment medical, including drug and alcohol testing What We Offer Long‑term career development with pathways into senior leadership roles Opportunity to work with a highly skilled national team Company vehicle, laptop, and mobile phone Supportive, family‑oriented culture where people come first Ongoing training and professional development Uniform and PPE provided If you’re a motivated leader looking to take the next step in your career and help grow a high‑performing team, we’d love to hear from you. No Recruitment Agencies please 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. #J-18808-Ljbffr