Technical Support (BMS & Controls) | Sydney

Katz Recruitment; Sydney; On-site; AUD 110,000 - 140,000; Full time

Job summary

Katz Recruitment is seeking a Senior Technical Support professional in Sydney to transition from hands‑on HVAC/R work into a specialised role focused on BMS, controls and CO2 refrigeration. You will work on commercial refrigeration projects, configure and troubleshoot systems, and become a primary technical contact for customers while collaborating with global teams.

Primarily office‑based with occasional site visits; Sydney‑based candidates are preferred, with flexibility for other Australian

Qualifications

• Certificate III in Air Conditioning & Refrigeration or equivalent HVAC/R qualification.
• Qualified Refrigeration Mechanic or HVAC/R Engineering background.
• Minimum 4 years' experience within the HVAC and refrigeration industry.
• Strong understanding of commercial refrigeration, particularly CO2 systems.
• Experience with refrigeration controls, monitoring or supervisory systems.
• Strong knowledge of BMS, communication networks and control system integration.
• Strong technical troubleshooting, analytical and problem‑solving capability.
• Advanced proficiency with Microsoft 365 applications.
• Confidence working with technical drawings and documentation.
• Strong verbal and written communication skills.
• Strong customer service focus and professionalism.
• Ability to work independently while collaborating effectively with technical and commercial teams.
• A proactive mindset and willingness to learn new products, software tools and technologies.
• Experience with Java and/or HTML scripting would be advantageous

Responsibilities

• Provide technical support via phone, email, remote access and occasional customer site visits
• Support commissioning, configuration and troubleshooting of control and monitoring solutions
• Troubleshoot commercial refrigeration control systems, including CO2 applications
• Assist customers with product selection and application support
• Provide after‑sales technical support and warranty assistance
• Conduct warranty assessments and root cause analysis
• Develop and maintain supervisory graphics, BMS layouts and monitoring configurations
• Support integration of refrigeration controls with BMS and communication networks
• Deliver customer training and technical presentations
• Assist with pre‑configuration activities and system preparation
• Coordinate with international HQ, R&D, Quality, Sales and Service teams to resolve technical issues
• Maintain accurate technical documentation and service records
• Attend customer sites when required to support commissioning, troubleshooting and technical service

Skills

HVAC/R knowledge

CO2 refrigeration

BMS & controls

Troubleshooting

Documentation skills

Microsoft 365

Communication skills

Java scripting

HTML scripting

Education

Certificate III in Air Conditioning & Refrigeration

Job description

Technical Support (BMS & Controls) | Sydney

Technical Support | BMS & Controls

Location: Sydney, NSW

What's on Offer

• Senior technical opportunity with a global HVAC/R technology business
• Career progression opportunity beyond traditional refrigeration service work
• Transition from hands‑on field work into a specialised technical support role while leveraging your refrigeration expertise
• Work across commercial refrigeration, controls, monitoring, connectivity and BMS
• Develop specialist knowledge in advanced refrigeration control technologies and connected systems
• Mix of technical support, commissioning, configuration, troubleshooting, warranty, training and customer interaction
• Strong exposure to commercial CO2 refrigeration systems
• Become a key technical contact for customers, providing technical guidance and problem‑solving support
• Collaborate with international technical, R&D, Quality, Sales and Service teams
• Primarily office‑based, with occasional customer site visits required
• Opportunity to grow with an expanding technical service function

About the Business:

You'll join a global technology business specialising in advanced solutions for the HVAC and refrigeration industries, with a strong focus on controls, monitoring, connectivity and energy‑efficient systems.

The Australian operation supports customers across the local market while working closely with international technical and R&D teams to deliver innovative solutions, technical support and after‑sales service.

This is a technically focused environment where you'll have access to international expertise and evolving technologies, giving you the opportunity to build specialist knowledge across refrigeration controls, BMS, monitoring and connected systems.

About the Role:

Ready to take your refrigeration and HVAC expertise beyond the tools? This is an opportunity for an experienced Refrigeration Mechanic or HVAC/R Technician to transition into a more specialised technical support role while continuing to use the hands‑on industry knowledge and technical expertise you've built throughout your career.

You'll become a key technical contact for customers, providing support across commercial refrigeration, control systems, monitoring platforms and BMS. You'll help customers troubleshoot issues, configure solutions, support commissioning activities and get the most from their systems.

The role combines technical problem‑solving with customer interaction and offers exposure to a broad range of activities, including technical support, commissioning, configuration, troubleshooting, warranty assessment, system integration and customer training.

The role is primarily office‑based, with occasional customer site visits required.

Key Responsibilities

• Provide technical support via phone, email, remote access and occasional customer site visits
• Support commissioning, configuration and troubleshooting of control and monitoring solutions
• Troubleshoot commercial refrigeration control systems, including CO2 applications
• Assist customers with product selection and application support
• Provide after‑sales technical support and warranty assistance
• Conduct warranty assessments and root cause analysis
• Develop and maintain supervisory graphics, BMS layouts and monitoring configurations
• Support integration of refrigeration controls with BMS and communication networks
• Deliver customer training and technical presentations
• Assist with pre‑configuration activities and system preparation
• Coordinate with international HQ, R&D, Quality, Sales and Service teams to resolve technical issues
• Maintain accurate technical documentation and service records
• Attend customer sites when required to support commissioning, troubleshooting and technical service

About You To be successful, you'll have:

• Certificate III in Air Conditioning & Refrigeration or equivalent HVAC/R qualification
• Qualified Refrigeration Mechanic or HVAC/R Engineering background
• Minimum 4 years' experience within the HVAC and refrigeration industry
• Strong understanding of commercial refrigeration, particularly CO2 systems
• Experience with refrigeration controls, monitoring or supervisory systems
• Strong knowledge of BMS, communication networks and control system integration
• Strong technical troubleshooting, analytical and problem‑solving capability
• Advanced proficiency with Microsoft 365 applications
• Confidence working with technical drawings and documentation
• Strong verbal and written communication skills
• Strong customer service focus and professionalism
• Ability to work independently while collaborating effectively with technical and commercial teams
• A proactive mindset and willingness to learn new products, software tools and technologies
• Experience with Java and/or HTML scripting would be advantageous

Why Join?

This is an opportunity to take the next step in your HVAC/R career and move beyond traditional refrigeration service work.

You can leverage your existing hands‑on refrigeration knowledge while developing specialist expertise across controls, BMS, monitoring, connectivity and technical support.

You'll become an important technical resource for customers and internal teams, working across everything from configuration and commissioning through to troubleshooting, warranty assessment, system integration and training.

For an experienced Refrigeration Mechanic or HVAC/R Technician looking to move into a more specialised technical role without leaving the industry knowledge behind, this is an opportunity to build a broader and more technical career.

Sydney‑based candidates are preferred, with Melbourne and Brisbane candidates also considered.