Site Manager

M+J Builders | Darwin, NT
Site Management (Construction) | Full-time


Why Join M+J?


M+J Builders is a family-owned Tier 2 builder specialising in complex Defence and government projects across the Northern Territory. Our business is built on respect, integrity, and trust—and we’re proud to offer our people genuine support, flexibility, and career growth.


We’re looking for an experienced Site Manager ready to take ownership of end-to-end site operations on high-profile government and Defence projects. This role offers real autonomy and the opportunity to work with a professional, close-knit team that delivers quality outcomes across the NT.

The Role


As Site Manager, you'll lead all on-site construction activities from mobilisation to completion. Working closely with the Project Manager and Contract Administrator, you’ll be responsible for ensuring the site runs safely, efficiently, and to the highest standards of quality.


Key Responsibilities:


  • Oversee daily site operations across safety, quality, program, and cost.
  • Supervise trades, subcontractors, and suppliers to ensure timely, compliant delivery.
  • Drive site setup, logistics, and sequencing aligned with the construction program.
  • Enforce compliance with WHS legislation, company procedures, and Defence/client-specific requirements.
  • Act as the primary on-site contact for clients, consultants, and stakeholders.
  • Maintain detailed project records, including daily reports, safety logs, and progress updates.
  • Support inspections, HOTO processes, and all site-based handover requirements.

What You’ll Bring:


  • 3+ years’ site management or supervisory experience within commercial construction.
  • Proven leadership of teams on live construction sites, ideally on government or Defence projects.
  • Strong knowledge of WHS, building codes, and site-based compliance.
  • White Card and driver’s licence (manual 4x4 desirable).
  • Ability to obtain Police Clearance and Ochre Card.
  • Relevant qualification in Building, Carpentry, or Project Management.

Package & Benefits:


  • Competitive salary + super + vehicle + fuel card.
  • Laptop, iPhone, and iPad.
  • Remote work and FIFO roster opportunities available.
  • Career pathways into senior delivery roles within a growing business.
  • Supportive, team-based culture that values work-life balance.

How to Apply:


If you're ready to lead on complex construction sites and grow your career with a proven NT builder, apply today via the SEEK Apply button. You can also submit your CV and cover letter directly through our Careers Page.


Apply now