Senior Commercial Manager

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 Senior Commercial Manager to lead and manage the delivery of high-quality commercial services for the Rail Business Unit, ensuring strong commercial governance, effective risk management, and alignment with contractual, legislative, and organisational requirements. This role can be based in Melbourne, Sydney or Brisbane.

Key responsibilities include:

• Provide hands‑on commercial support across a portfolio of projects, ensuring consistent application of commercial processes and timely issue resolution.
• Monitor and coordinate the deployment of commercial resources across the project portfolio to ensure adequate coverage and delivery performance.
• Drive commercial capability uplift across project teams and lead continuous improvement of portfolio‑wide commercial processes and systems.
• Manage the drafting, review and negotiation of contracts and JV/collaboration agreements to support efficient project mobilisation.
• Lead and standardise the commercial handover process across project portfolio, ensuring project teams receive complete and accurate contractual and financial information.
• Support bid management activities as required to maintain continuity between pre‑contracts and delivery teams.
• Provide “leadership by example” to the whole team, demonstrating personal behaviours that uphold DTI values.
  
  

Experience and capabilities

• Tertiary qualifications in Engineering, Construction, Quantity Surveying, Law, or Commercial Management (preferred)
• Demonstrated experience leading commercial components of major bids (> $500m).
• Deep knowledge of NEC, GC21, AS forms, alliance and collaborative contracting models.
• Proven commercial and financial management experience across a portfolio of projects, including rail or rail‑related infrastructure works.
• Strong ability to build and maintain stakeholder relationships, including with rail operators, government agencies, and delivery partners, and support business growth.
• Working knowledge of SAP for cost control, forecasting, budgeting, procurement and reporting.

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