Mathew O'Sullivan
Rowville,VIC
Summary
Proven senior executive with over 20 years’ leadership experience spanning national service delivery, sales strategy, technical operations, and large-scale infrastructure projects across ANZ. Exceptional track record in P&L management, significant EBITDA growth, revenue growth, business transformation, and operational leadership across complex, high-stakes environments. Trusted leader known for integrity, commercial acumen, and building high-performing, ethically grounded teams. Industry expertise spans HVAC, security, intelligent transport systems, asset management, and critical infrastructure.
Overview
18
18
years of professional experience
1
1
Certification
Work History
National Service Manager
HLS Healthcare
09.2023 - Current
- Short-term executive engagement to lead the national establishment of service operations for a mid-sized family-owned healthcare and installation business.
- Led successful ISO9001:2015 & ISO45001:2018 recertification; commenced ISO14001 & ISO55001 certifications.
- Developed national 24/7 reactive maintenance capability and full field/onboarding/training program.
- Automated sales and ERP systems; reduced manual data entry by 75%.
- Implemented full inventory control and barcoding system across HQ and field teams.
- Direct Management of all field (35), Sales team (5) and admin staff (6), ensuring compliance with AS10535 and ISO45001.
Director of Operations ANZ
Optic Security Group
12.2021 - 09.2023
- Executive lead across 11 offices in Australia and NZ, managing business development, project delivery, and integration of acquired entities.
- Drove significant revenue and EBIT growth through business consolidation and systems unification.
- Led high-value federal/private contracts and complex infrastructure projects.
- Delivered improved cash flow via finance function overhaul and AR/AP reform.
- Built long-term recurring revenue via asset management and maintenance programs.
Service Delivery Manager / General Manager
Johnson Controls – Integrated Controls
10.2017 - 12.2021
- Managed a $50M division and 100+ team across Asia-Pacific with full sales and operations accountability.
- Turned around EBIT from -10% to +14%; lifted revenue by 20% YoY.
- Implemented 12 major safety initiatives and predictive motorway tech (NSW Smart Motorway Project).
- Led JV relationships and won key government contracts (e.g., SRAPC, DOT 9195).
- Reduced fault response SLAs from 85% to 98.5%; improved asset accuracy from 81% to 97%.
Operations & Division Manager – Engineering Services
Nilsen VIC/TAS
02.2014 - 08.2017
- Directed a $22M engineering services division with 70+ field staff and multiple sites.
- Boosted revenue by 15% and EBIT by 50% YoY.
- Won NECA Award for Northland project and overhauled major ERP systems.
- Increased maintenance contract wins through process and service innovation.
General Manager / Managing Director (Founder)
CJ Milne / Sullect Services
10.2007 - 02.2014
- Founded and scaled a technical services company to $6M revenue and 40+ staff within 2 years.
- Led national rollout of telecommunications and water treatment infrastructure.
- Built first-choice DAS/IBC unit in Victoria for major carriers and Tier 1 venues.
- Developed innovative RF isolation technology for national deployment across critical infrastructure.
- Additional Roles:
- Project/Service Manager & Director – Apps Electrics, Aline Switchboards, Apex Electrical (Apprenticeship to Branch Manager)
Education
Mini MBA -
Australian Institute of Management
01.2023
Cert IV - Customer Engagement, Frontline Management
Cert III - Leadership, Sales Mangement
Electrical Engineering (Deferred)
Monash University
VCE - undefined
South Gippsland Secondary College
Implementing Innovation & Continuous Improvement
Australian Institute of Management
01.2024
Johnson Controls Global Executive Leadership Program - undefined
01.2019
Diploma of Business Management - undefined
01.2008
Skills
- Strategic & Operational Leadership
- P&L Ownership & Financial Stewardship
- National Sales & Business Development
- HVAC & Infrastructure Services
- Contract & Risk Management
- ISO, Safety & Asset Management Systems
- ERP & Systems Integration
- Cross-Functional Team Leadership
- Project Delivery & Technical Oversight
- Change Management & Transformation
- High-Level Negotiation & Stakeholder Engagement
Certification
- Licensed A-Grade Electrician | Unrestricted Communications Licence
- First Aid / CPR / LVR | RF & Communications System Designer
- Fibre Optic Splicing / Testing | SCADA / PLC Systems
- Working at Heights | Traffic Management | Fire Warden & Chief Warden
- Microsoft Project, Excel, Power BI (Advanced)
Accomplishments
- NECA Award – Best Medium Commercial Project
- Delivered first predictive smart motorway system in NSW
- Multiple JV & Government contract wins (Transport for NSW, Department of Transport)
- Recognised for transforming national service delivery and field team safety – Johnson Controls
- APAC
Timeline
National Service Manager
HLS Healthcare
09.2023 - Current
Director of Operations ANZ
Optic Security Group
12.2021 - 09.2023
Service Delivery Manager / General Manager
Johnson Controls – Integrated Controls
10.2017 - 12.2021
Operations & Division Manager – Engineering Services
Nilsen VIC/TAS
02.2014 - 08.2017
General Manager / Managing Director (Founder)
CJ Milne / Sullect Services
10.2007 - 02.2014
Cert IV - Customer Engagement, Frontline Management
Cert III - Leadership, Sales Mangement
Electrical Engineering (Deferred)
Monash University
VCE - undefined
South Gippsland Secondary College
Implementing Innovation & Continuous Improvement
Australian Institute of Management
Johnson Controls Global Executive Leadership Program - undefined
Diploma of Business Management - undefined
Mini MBA -
Australian Institute of Management
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