Play a key role in delivering essential housing across Adelaide and South Australia.
Harnest, part of the Mazzei Group, is seeking an experienced Site Manager to lead the delivery of social and supported housing projects.
This is a hands-on role for someone who enjoys being on site, leading teams, and taking pride in delivering high-quality homes that genuinely improve lives.
What You'll Do
Lead the day-to-day site delivery of social and affordable housing projectsManage construction in line with program, budget, and safety requirementsEnsure full compliance with OH&S;, BCA, and relevant Australian StandardsCoordinate trades, site teams, and construction schedulesMaintain high standards across site safety, cleanliness, inductions, and inspectionsLiaise closely with Project Managers, consultants, and suppliersCommunicate directly with clients to support a smooth and successful handover
What You'll Bring
3+ years' experience delivering residential or domestic construction projectsStrong leadership capability with proven stakeholder coordination skillsSolid working knowledge of the BCA, Australian Standards, and OH&S; frameworksCert IV in Construction Management or a relevant trade backgroundWhite Card, current driver's licence,



and First Aid & CPR certificationConfidence using Microsoft Project and managing site documentation
Why Join Harnest
Join a values-led construction group, backed by Mazzei Group, with the stability and scale to support complex, long-term deliveryWork within a business delivering $100m+ annual turnover with a $150m+ forward pipelineLead meaningful, purpose-driven projects across social housing, SDA and medium-density that deliver tangible community outcomesBe part of a fully integrated, end-to-end business spanning advisory, design and construction - enabling greater control, collaboration and qualityStep into a role where you are trusted to set standards, influence delivery models and shape how projects are delivered -not simply manage themWork alongside experienced, grounded and approachable leaders who are actively involved and genuinely invested in their people
We are an equal prospect employer and are committed to building a diverse and inclusive workforce.
We encourage applicants from all walks of life to join our team.
From Aboriginal and Torres Strait Islander peoples, people from culturally and linguistically diverse backgrounds, women, LGBTQIA+ individuals, people with disability, and those who may face barriers to employment.

📌 Site Manager (Adelaide)
🏢 Harnest
📍 Adelaide