Job Description
Job Title:  Senior Contracts Administrator
Posting Start Date:  21/09/2026
Job Description: 

About DT Infrastructure

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

Looking for a commercial role where you can take real ownership of complex contracts on a major rail program?

DT Infrastructure is seeking an experienced Senior Contracts Administrator to join the Queensland Train Manufacturing Program (QTMP) at Ormeau.

Working as part of the project's commercial team, you'll support the implementation of commercial strategies while taking an active role in the day-to-day administration of contracts. The position spans procurement, subcontract administration, claims and variations, cost control, forecasting and head contract administration, giving you broad commercial exposure across the project lifecycle.

You'll work closely with project leadership, delivery teams, subcontractors and suppliers to protect DTI's commercial position while supporting successful project outcomes. With QTMP providing a complex major-project environment, this is an opportunity to apply strong commercial judgement, influence key decisions and further develop your career within DT Infrastructure.

Key Responsibilities

  • Manage subcontract administration including correspondence, notices, variations, progress claims, payment schedules and final accounts
  • Lead procurement activities including tender packages, tender analysis, commercial negotiations and recommendations for award
  • Support head contract administration, including contractual correspondence, notices, claims, variations and accurate contract registers
  • Monitor project costs, cash flow, forecasts and cost-to-complete while providing commercial insight into project performance
  • Identify and manage contractual and commercial risks, maintaining accurate records to support claims, change and dispute avoidance
  • Build effective relationships with project teams, clients, subcontractors and suppliers while providing practical commercial advice

About You

  • Bachelor's degree in Quantity Surveying, Construction Management or a similar tertiary qualification
  • 7+ years' experience in a commercial role within a large organisation, ideally within construction or major infrastructure
  • Strong knowledge of construction law, contracts and contractual mechanisms, with sound commercial judgement
  • Demonstrated experience across subcontract administration, procurement, claims, variations, cost control and final accounts
  • Strong negotiation, analytical and problem-solving skills with the ability to identify and manage commercial risk
  • Excellent written and verbal communication skills with the confidence to work effectively across project teams, clients and supply chain partners

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.