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.

We are an equal opportunity 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.