Warren Mahaffey
Killarney Vale,Australia
Summary
Services professional with 25+ years of hands-on experience within all aspects of Construction, project management as senior lead and current State Manager for NSW ACT and QLD Woolworth's Refrigeration. Accomplished team member with the ability to lead a team and deliver on all business objectives. Results oriented problem solver with the ability to perform and multitask under high-pressure and dynamic situations. An outstanding achiever with proven results in the Management and Lead of Installation of Projects within NSW, ACT and QLD Skilled verbal and written communicator demonstrating well developed interpersonal skills and the ability to communicate to people on all levels of management, making informed value-added decisions for all stakeholders. Knowledge and experience in the successful management of contractors and the onboarding of new delivery partners. Accomplished in internal stakeholder management and consistently delivering on group business unit strategies.
Overview
28
28
years of professional experience
1
1
Certification
Work History
NSW, QLD Regional Installation Manager
Woolworths Supermarkets
01.2023 - Current
- Successfully manage the NSW, ACT and QLD states, managing projects
- Enhanced customer satisfaction by efficiently managing installation projects and ensuring timely completion.
- Successfully manage the P&L and the financial position of Woolworth's Refrigeration across the business.
- Prepared detailed project estimates and reports for management review.
- Reduced costs by streamlining contract bidding and procurement processes to assure best prices for materials and services.
- Established and maintained relationships with vendors to source affordable and high quality materials and equipment for construction projects.
- Developed and implemented construction plans according to client specifications and expectations.
- Negotiated labor contracts with general contractors and subcontractors.
- Analyzed and evaluated construction bids to select most cost-effective contractors.
- Oversaw quality control measures during installations, identifying potential issues early on to minimize costly rework later.
- Successfully lead and manage small - large scale projects in line with expectations and budget.
- Manage, Plan, Co-ordinate, Schedule and oversea resources, project scope, budget, tendering of life cycle of projects.
- Ensure daily inspections and regular WHS, SWMS and documentation is adhered to and followed.
- Engagement and collaboration with Field engineering teams, Construction Project Managers, refit teams and store managers to successfully deliver projects.
- Experience in highly disruptive environments.
- Working alongside Facilities Managers to provide guidance on scope, cost and delivery of in house and contractor works.
- Ability to read and understand construction drawings, specifications, and store CAD plans.
- Manage a team of 40+ technicians and 7 Project managers withing NSW & QLD.
- Delivering critical support to our stores across NSW & QLD.
- Lead a team of skilled technicians and apprentices, overseeing all aspects of installation projects, from planning and execution to budget management and stakeholder engagement.
- Ensuring a culture of safety that is “best in class” approach towards the safety of team and customers.
- Building strong relationships: Collaborating effectively with internal and external stakeholders, including contractors, vendors, and store teams.
National Efficiency Project Lead
Woolworths
01.2021 - 01.2023
- Successfully lead and manage large scale multiyear projects in line with expectations and budget.
- Currently in the design and manufacture stage of the first Co2 200kw heat pump.
- Currently in the project planning stage of delivering the first R290 (propane) heat pump for Woolworths.
- Successfully managed up to 5 projects within the EMC as well as delivering the trials pipeline.
- Engagement and collaboration with WW RFEs on sign off on the Energy projects and end of DLP review of HVAC controls and operation.
- Experience in highly disruptive environments.
- Working alongside Facilities Managers to provide guidance on scope, cost and delivery of in house and contractor works.
- Ability to read and understand construction drawings, specifications, and store CAD plans.
- Understanding planned maintenance shutdowns on both Refrigeration and HVAC.
National HVAC and Refrigeration Energy Specialist
Woolworths
01.2019 - 01.2021
- Successful collaboration with Woolworths engineering team and Woolworths store development to implement/develop energy and greenhouse minimization strategies.
- Engineering and successful deployment of new products and services on hard and soft assets to the Woolworths estate.
- Contractor management including the onboarding of new delivery partners.
- New technology assessment and implementation into existing Woolworths Estate.
- Big data and analytics platform development.
- Energy analytics development including Metering, Lighting, Solar PV and HVAC&R.
- Development, Implementation, Management, and delivery of multi-site projects.
NSW Service Technician
Woolworths
02.2017 - 01.2019
- Relief role Service Team Leader
- - Management/Supervision of Refrigeration Technicians.
- - Management/Supervision of Field maintenance technician and contractor management
- - Facilities Management of stores Zone 5 (48 stores)
- Service and maintain selected retail stores (Woolworths supermarkets) refrigeration, electrical and plumbing equipment, and facilities.
- Liaise with management and relevant stakeholders regarding works to be carried out by external contractors.
- Advise and recommend equipment and process solutions to increase productivity and efficiency of store facilities.
- Carry out reporting and paperwork for all service tasks performed on site.
- Review Building Management Services (BMS) to ensure equipment efficiency.
Refrigeration and Air Conditioning Mechanic
M & M Refrigeration
06.2012 - 01.2017
- Service and maintenance of Woolworths supermarkets refrigeration within the Central Coast and Newcastle region.
- Installation of industrial and commercial A/C and refrigeration systems.
- Maintained and repaired commercial and industrial A/C and refrigeration equipment.
- Performed troubleshooting and repairs to industrial and commercial refrigeration systems, ice machines, air conditioners, freezers, exhaust fans, air handlers, pneumatic and electrical components.
- Completed training and maintenance on Programmable Logic Controllers, Variable Speed Drives, Motor starting, Control & Protection, Timers, Relays, Counters, PFC, Proximity Devices, Distribution Switchboard, and safety products for hazardous areas.
Refrigeration and Air Conditioning Mechanic
EXACT Mining Service
12.2009 - 06.2012
- Service and maintenance of Mine site refrigeration and A/C systems in and around remote Western Australian locations.
- Performed troubleshooting and repairs to industrial and commercial refrigeration systems, ice machines, air conditioners, freezers, exhaust fans, air handlers, pneumatic and electrical components.
- Perform service and repairs on mine site A/C mobile machinery vehicles.
- Create a sustainable refrigerant removal process for replacement of A/C components.
Installation Technician
Frigrite Refrigeration
01.1998 - 12.2009
- Completed apprenticeship with Frigrite Refrigeration.
- Leading hand and project lead of up to 12 technicians on new and retrofit Woolworths/Coles/ IGA and Aldi supermarkets.
- Liaise with project managers, store managers to meet stakeholders’ expectations.
- Completion of site surveys for Installation Tenders
- After Installation/Maintenance inspections
Skills
- Construction
- Workload prioritization
- Health and safety
- Risk management
- Time management
- Multitasking Abilities
Certification
- Certificate III in Electrotechnology Refrigeration and Air Conditioning – Logan institute of TAFE, QLD
- Work Cover OHS General Induction Course
- Refrigerant handling license
- Restricted Electrical License
- Contractors/supervisors License
Timeline
NSW, QLD Regional Installation Manager
Woolworths Supermarkets
01.2023 - Current
National Efficiency Project Lead
Woolworths
01.2021 - 01.2023
National HVAC and Refrigeration Energy Specialist
Woolworths
01.2019 - 01.2021
NSW Service Technician
Woolworths
02.2017 - 01.2019
Refrigeration and Air Conditioning Mechanic
M & M Refrigeration
06.2012 - 01.2017
Refrigeration and Air Conditioning Mechanic
EXACT Mining Service
12.2009 - 06.2012
Installation Technician
Frigrite Refrigeration
01.1998 - 12.2009
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