Play a key role in delivering essential housing across Metro Adelaide.
Harnest - part of the Mazzei Group - is seeking an experienced Site Manager to lead construction on social and supported housing projects.
We’re looking for someone who thrives in a dynamic, hands-on environment and takes pride in building high-quality homes that make a real difference.
What You’ll Do
* Manage site delivery of multi-dwelling and SDA housing projects ($1–3M)
* Lead construction in line with program, budget, and safety requirements
* Drive site compliance with OH&S, BCA, and relevant standards
* Coordinate trades, site teams, and project timelines
* Oversee site safety, cleanliness, inductions, and inspections
* Liaise with project managers, suppliers, and consultants
* Communicate directly with clients to support a smooth handover
What You’ll Bring
* 5–10+ years’ experience delivering custom builds or multi-unit housing
* Proven leadership and stakeholder coordination skills
* Solid knowledge of BCA, Australian Standards, and OH&S
* Cert IV in Construction Management or trade background
* White Card, current driver’s licence, First Aid & CPR
* Strong Microsoft Project and documentation skills
Why Join Harnest?
Harnest is the social and affordable housing arm of Mazzei Group - combining commercial structure with community impact.
* Team-first culture – Our leaders foster a collaborative, partnership-driven approach across sites, consultants, and internal teams.
* Purposeful work – From SDA to social housing, our projects create real value for communities — and bring professional satisfaction to our team.
* Structured for scale – With a commercial D&C mindset, clear systems, and strong BOQ control, we deliver efficiently and with impact.
* Strong pipeline – Backed by government contracts and NFP partners, we offer long-term project security and real career growth.