Senior Mechanical Engineer – Solutions Engineering

STACK INFRASTRUCTURE (STACK) is an award-winning industry leader in building, owning, and operating highly efficient, cost-effective wholesale, colocation, and cloud data centers. We provide digital infrastructure that enables the world’s most cutting-edge companies to scale, with facilities that meet or exceed the highest industry standards for availability, security, connectivity, and physical resilience.

As a well-established data center business across APAC, the Americas, and Europe, STACK has successfully built several data centers in Melbourne and continues to expand its project portfolio with the goal of becoming a market leader in the hyperscale data center market.

STACK offers the scale and geographic reach that rapidly growing hyperscale and enterprise companies need. The world runs on data, Data runs on STACK.

About the role

As a Senior Mechanical Engineer – Solutions Engineering, you will develop high-quality mechanical engineering solutions for complex data centre projects. You will contribute across the project lifecycle, from early customer discussions and concept design through detailed design, construction and operational support. The role provides technical input to sales opportunities, supports research and development, resolves operational issues and helps shape STACK’s next generation of design solutions.

Key responsibilities

- Drive technical input and information for customer sales requirements.
- Develop concept designs for early customer discussions and consultant briefings.
- Develop initial PUE assessments to support site selection and test-fits.
- Develop long-lead equipment technical documentation and review vendor proposals.




- Drive updates to internal Basis of Design drawings and schematics.
- Steer consultants through weekly activities using technical expertise to achieve design outcomes.
- Work with consultants to ensure deliverables are compliant with customer requirements, technically correct, high quality, on time and buildable.
- Review consultant designs against STACK’s Basis of Design and customer requirements.
- Identify and remove over-engineering or conservatism to reduce construction costs and improve design efficiency.
- Support construction activities through the review and approval of workshop drawings.
- Support research and development activities that drive next-generation, modular and standardised design solutions.
- Provide technical input into operational issues, root-cause investigations and potential solutions.
- Support and mentor graduate and junior engineers to help develop STACK’s future capabilities.

What we're looking for

- Minimum seven years of relevant mechanical engineering experience, including concept design, detailed design and construction support for complex infrastructure projects.
- Strong knowledge of data centre or mission-critical cooling systems, including chillers, cooling towers, CRAH and CRAC units, pumps, ventilation and control systems.
- Experience developing concept designs, equipment specifications, PUE assessments,



technical documentation and Basis of Design drawings.
- Proven experience managing engineering consultants and reviewing designs for technical accuracy, compliance, constructability, quality and customer requirements.
- Experience identifying value-engineering opportunities to reduce construction costs, remove over-engineering and improve design efficiency.
- Experience reviewing long-lead equipment proposals, workshop drawings and vendor technical submissions is desirable.
- Knowledge of energy-efficient cooling solutions, heat rejection systems, water usage optimisation and sustainable data centre design is desirable.
- Experience supporting research and development of modular, standardised or next-generation mechanical solutions is desirable.
- Experience mentoring graduate and junior engineers and providing technical input into operational incidents and root-cause investigations is desirable.

Equal Opportunity Employer

STACK provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

Reasonable accommodations may be made to enable individuals with disabilities to perform these essenti

📌 Senior Mechanical Engineer – Solutions Engineering (Melbourne)
🏢 STACK Infrastructure Australia
📍 Melbourne