Senior Mechanical Engineer (HVAC)

Location: Melbourne or Sydney, Australia

Company

hirify.global provides engineering, architecture, environmental and construction services through a global employee-owned business with more than 15,000 employees.

What you will do

• Lead mechanical design packages from concept through construction delivery.
• Perform complex HVAC calculations, system selection and design development for data centre, mission-critical and building engineering projects.
• Prepare and review coordinated engineering documentation, specifications and technical reports.
• Coordinate with architects, engineers, clients and specialist consultants to resolve interfaces, risks and technical challenges.
• Provide technical guidance and mentoring to developing engineers and designers.
• Support technical reviews, site inspections, contractor queries, construction-phase services and project planning.

Requirements

• Degree in Mechanical Engineering.
• 6–12 years of experience in a consulting engineering environment.
• Demonstrated ability to deliver mechanical building services designs with minimal supervision.
• Strong HVAC design and technical problem-solving skills, including experience with engineering reports, specifications and technical documentation.
• Strong understanding of Australian codes, standards and regulatory requirements, including NCC and AS1668.
• Ability to coordinate across disciplines and manage design interfaces, with strong communication and stakeholder management skills.

Nice to have

• Data centre or mission-critical project experience.
• HVAC heat load calculations and system sizing, ideally using Camel software.
• Pipe sizing and ductwork design experience.
• Experience with Revit, Navisworks, ACC or other design coordination platforms.
• Chartered Professional Engineer (CPEng) status or experience across health, defence, education, industrial, commercial, sports, aquatic or mixed-use projects.

Culture & Benefits

• Employee ownership model with shared participation in business success.
• Exposure to data centre, TMT and other critical infrastructure projects.
• Collaboration with experienced leaders and technical specialists across a national and global business.
• Opportunities to develop technical, project and discipline leadership capabilities.
• Work on complex projects supporting digital economies and critical infrastructure.