Job Summary
DT Infrastructure is a trusted provider of engineering and construction solutions that unlock opportunities for our clients, communities and people. Specialising in Defence, transport and infrastructure, we offer a unique synergy of local expertise in complex projects and the global perspective of our multinational parent company, Gamuda Berhad. Through engineering innovation, collaborative contracting and leading sustainability practices we’re unlocking opportunities for a better tomorrow.
About the role
DT Infrastructure is seeking an experienced Senior Site Administrator to join DT Infrastructure and Alstom in delivering the $1.6B contract for Perth's High-Capacity Signalling Project. The project includes the design, supply, installation, testing, commissioning and maintenance of the new Automatic Train Control System to replace the existing signalling and train control systems in Perth.
This role will lead and coordinate day‑to‑day operations of the site office(s), ensuring efficient workflows, high‑quality administrative support, and a positive, well‑organised working environment along with providing support to the Deployment Team, facilitating operations across the main site office and satellite offices.
Experience and capabilities
- A valid C‑class WA driver’s licence is mandatory.
- Previous experience in project and/or site administration, ideally within the rail, construction, or large infrastructure sectors.
- Experience in workforce mobilisation and onboarding processes, including compliance and safety requirements.
- Experience with the Rail Industry Worker (RIW) system or equivalent industry competency platforms is desirable.
- Experience supporting site operations such as procurement, reporting, documentation control, and cost tracking.
- Strong background in financial administration, including high-volume documentation handling, invoicing, and cost-related processes.
- Ability to work effectively in fast-paced project environments, adapting to changing priorities and demands.
- Strong organisational and time‑management experience, managing multiple priorities with accuracy and efficiency.
Why work for DTI
- Competitive pay that reflects your contribution: We reward performance and impact, with our remuneration benchmarked to market.
- Purpose-driven careers in infrastructure: As we grow our presence in the renewable energy sector, DTI is also continuing to cement its position as a delivery partner of choice across rail, roads and Defence infrastructure projects. Our teams benefit from the variety of opportunities, applying their skills and experience across multiple sectors.
- Fostering your development: We’ve developed a culture where continuous learning is front and centre of everything we do. Fostering the growth and development of our people is key to our success and ensuring that we are preparing the next generation of leaders is a core focus for our business.
- Parental leave designed for the reality of family life: Our industry leading parental leave policies are centred on flexibility to support modern family life, because at DTI, little families are a part of our one big family.
- Flexibility that works for you and for us: We acknowledge that everyone’s needs are different in striking the right work-life integration. Whether it’s hybrid working, adjusted hours, job sharing or balancing family commitments, we’ll work together to make it work.
DT Infrastructure is committed to building a diverse and inclusive workplace that champions opportunity and respect. Our focus on inclusivity is active and ongoing. Women, people of Aboriginal or Torres Strait Island descent and former members of the Australian Defence Force are encouraged to apply.
Visit www.DTInfrastructure.com.au to explore how DTI can support your career progression, unlock personal advantages and apply for our opportunities.
How to apply
If you are looking to make a meaningful impact and join our team, we would love to hear from you. Please submit your updated CV online to be considered for this role. If you have any questions or issues submitting your application, please reach out to careers@dtinfrastructure.com.au.