Alliance SI has 49 years' experience delivering telecommunications and electrical infrastructure across Australia. We support the digital backbone of the country through complex, high-density and mission-critical environments. Our teams are scaling in Victoria with a strong direct workforce, experienced supervision, structured induction pathways and a long-term pipeline of data centre, cloud and critical infrastructure work.
Alliance SI acknowledges the Traditional Custodians of the lands on which we work and pays respect to Elders past, present and emerging. We proudly support diversity and inclusion. As members of Empowered Women in Trade (EWIT), we welcome applicants of all genders and backgrounds.
Click the Quick Apply button to move into a future-proof career.

Alliance SI builds dependable networks that organisations rely on for performance and uptime.
We design, upgrade and maintain mission-critical digital and electrical infrastructure across Australia and into APAC, with teams in Brisbane, Canberra, Melbourne, Perth and Sydney.
Our people are the foundation of our performance. We are a values-driven organisation that invests in training, safety and future-ready capability, and our teams are trusted to work in live, security-sensitive environments. We operate under a fully certified Integrated Management System (ISO 9001, 14001, 45001, 27001) to ensure consistent, disciplined delivery.
Customers choose Alliance SI for clear communication, reliable execution and the confidence that comes from scalable teams and strong processes. We support sectors where quality, resilience and uptime matter most, including data centres, telecommunications, education, aged care, industrial, commercial and finance.