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 Design Engineer - Signalling 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 the Engineering Manager, the Design Engineer will be responsible for developing, reviewing, and delivering high-quality engineering designs, drawings, and specifications for signalling power and Low Voltage (LV) electrical systems.

Key Responsibilities

• Prepare and review design drawings, power calculations, models, specifications, and technical reports.
• Collaborate with multidisciplinary teams including signalling, LV electrical, communications, civil, and structures.
• Conduct site inspections, surveys, constructability reviews, and interdisciplinary design reviews (IDR).
• Ensure design compliance with Safety in Design (SiD), WHS legislation, environmental obligations, and ISO 9001 quality standards.
• Undertake technical risk assessments, value engineering sessions, and support procurement and construction phases.
• Liaise with internal and external stakeholders to clarify technical requirements and resolve design queries.

1 Experience and capabilities

• Bachelor’s degree in electrical engineering or related discipline.
• 5+ years’ experience in electrical infrastructure design engineering, specifically Low Voltage/Extra-Low Voltage or Signalling Power.
• Strong knowledge of Australian rail operational environments, Australian Standards (AS/NZS 3000, AS/RISSB), and Rail Authority guidelines (e.g., PTA WA).
• Proficiency with design and drafting software (MicroStation, AutoCAD, etc.).
• Strong understanding of engineering design processes, Safety in Design, and quality management systems.
• Eligibility for Engineers Australia Chartered Status (CPEng/RPEQ) and Rail Industry Worker (RIW) accreditation preferred.

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.