Job Description
Job Title:  Senior Design Engineer
Posting Start Date:  28/07/2026
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 Senior Design Engineer 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.

Reporting to Engineering Manager, this role is responsible for reviewing the designs and provide technical support to the project team and consultants. Key responsibilities include:

  • Assist to develop conceptual alignment design to an advanced stage such that outline design is workable, constructible, and cost effective to achieve the objective of the privatization proposal
  • Coordinate on design related issues with Operation Team, Commercial, other D&T sub-disciplines and Design Consultant
  • Coordinate and manage timely response to Technical Query from Operation Team
  • Coordinate with Design Consultant regards to engineering drawings and technical documents deliverable
  • Supervision of alignment design engineers, interns and draughtsman
  • Attend to technical matters on site by developing solutions to problems with the application of engineering concepts, practices and techniques.
  • Plan for work and resources with particular reference to work program to ensure timely progress.

Experience and capabilities

 

  • Bachelor’s degree in Engineering or a related discipline
  • Eligibility for or working towards Engineers Australia Chartered Status (CPEng/RPEQ) preferred.
  • Rail Industry Worker (RIW) accreditation (preferred but not mandatory).
  • 5+ years’ experience in rail design engineering
  • Experience with Australian rail projects (e.g., PTA WA, ARTC, NSW, MTM, QR) highly regarded.
  • Knowledge of Safety in Design, WHS, and ISO 9001 quality management systems.
  • Demonstrated understanding of engineering and design processes, encompassing all aspects of project delivery, with a keen awareness of contractual requirements
  • Strong technical knowledge of engineering principles e.g. Civil, Electrical, Building Services, Comms, OT, or Signalling etc.
  • Proficiency with design software (MicroStation, AutoCAD, etc).
  • Ability to work collaboratively with clients, contractors, and multidisciplinary teams.

 

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.