Senior Mechanical Design Engineer, Hyperscale Data Centers

Annexion Partners Pte Ltd; Sydney; On-site; AUD 150,000 - 190,000; Full time

Job summary

Annexion Partners Pte Ltd in Sydney is seeking an experienced Senior Mechanical Design Engineer to lead the mechanical design for hyperscale data centre facilities. You will bridge design consultancy and operator responsibilities, owning technical outcomes and advancing next-generation cooling and infrastructure.

You will collaborate with internal engineering teams, external consultants and construction partners to deliver robust, energy-efficient, high-availability systems.

Qualifications

• Bachelor's degree in Mechanical Engineering or related field.
• 7–10+ years of relevant mechanical engineering design experience.
• Experience in mechanical building services design, HVAC and cooling systems.
• Experience delivering mechanical designs for complex, large-scale or demanding developments.
• Data centre or mission-critical experience advantageous.

Responsibilities

• Provide mechanical design leadership across hyperscale data centre facilities.
• Review designs throughout lifecycle from concept to commissioning.
• Coordinate with consultants and multidisciplinary teams for design integration.
• Support testing, commissioning and handover activities.

Skills

Stakeholder management

Communication

Team collaboration

Technical leadership

Education

Bachelor's Degree in Mechanical Engineering

Job description

Annexion Partners Pte Ltd in Sydney is seeking an experienced Senior Mechanical Design Engineer to lead the mechanical design for hyperscale data centre facilities. You will bridge design consultancy and operator responsibilities, owning technical outcomes and advancing next-generation cooling and infrastructure.

You will collaborate with internal engineering teams, external consultants and construction partners to deliver robust, energy-efficient, high-availability systems.