Job Description
Job Title:  Contracts Administrator
Posting Start Date:  12/08/2026
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


DT Infrastructure is seeking an experienced 
Contracts 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. 

The Contracts Administrator is is primarily responsible for supporting the Commercial Manager in implementing appropriate commercial strategies to ensure a successful project delivery, the efficient and effective administration of commercial and contractual matters, and general commercial support and the active day-to-day administration of contracts.

Key responcibilites will include:

  • Procurement & Tendering: Assist with the preparation, evaluation, and recommendation of tenders. Maintain the procurement register and contribute to drafting contract documentation and scopes of work.
  • Cost Management & BOQ: Assist in managing the Bill of Quantities (BOQ), tracking progress against budgets, and evaluating earned value performance. Implement effective cost controls and manage material/docket registers.
  • Contract Administration: Manage the daily administration of executed subcontracts, focusing on achieving milestones, assessing variations, and drafting instructions.
  • Financial Processing: Process purchase orders, delivery dockets, invoices, and payments, including preparing payment schedules.
  • Reporting & Compliance: Assist in producing accurate month-end reports and dashboards. Ensure all commercial activities comply with DTI policies, procedures, and relevant regulations.
  • Relationship Management: Develop and maintain strong strategic relationships with suppliers, subcontractors, and clients.

 

Experience and capabilities

 

  • A bachelor’s degree in construction management, Quantity Surveying, Engineering, Law, or a related discipline.
  • 3+ years of experience in contracts administration or commercial management within the civil construction sector.
  • Proven experience working on complex infrastructure projects (rail experience is highly advantageous)
  • Strong working knowledge of standard construction contracts.
  • Exceptional negotiation and dispute resolution skills.
  • Excellent written and verbal communication skills, capable of drafting clear contractual correspondence.
  • Proficiency in project management and cost control software.

Why join 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. 
 
   
How to apply   

Apply today and become part of the DTI team. 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.

Visit www.DTInfrastructure.com.au to explore how DTI can support your career progression, unlock personal advantages and apply for our opportunities.