Technical Maintenance Supervisor

Water Corporation; Sydney; On-site; AUD 110,000 - 150,000; Full time

Benefits offered by this job

SafetyFirst culture

Defence Base Services contract – long‑

Job summary

Ventia is seeking qualified Maintenance Supervisors to join our team on a full-time basis at HMAS Stirling in Garden Island / Rockingham, WA. The ideal candidates will have experience overseeing a diverse range of skilled trades across planned, reactive, and preventative maintenance activities.

This role offers a Defence-base environment with a focus on safety, quality and timely delivery. You will lead trades, supervise subcontractors, ensure contractual compliance and maintain reporting to

Qualifications

• Trade certification in HVAC, electrical or plumbing or equivalent experience.
• Experience supervising subcontractors and liaising with clients.
• Valid C-class driver’s licence; eligible for Defence security clearance.

Responsibilities

• Oversee planned maintenance and repair works, audits and post-work issues.
• Provide leadership to trades and maintenance team.
• Conduct site inspections to ensure subcontractor performance and service quality.
• Ensure contractual compliance through assessments and quotes.
• Manage client requests and feedback with timely resolutions.
• Monitor KPIs and provide progress reporting.

Skills

Subcontractor supervision

Client liaison

Negotiation

Education

Trade certification (HVAC/Electrician/Plumber)

Tools

SAP

MS Excel

MS Word

MS Outlook

Job description

Ventia is seeking qualified Maintenance Supervisors to join our team on a full-time basis at HMAS Stirling in Garden Island / Rockingham, WA. The ideal candidates will have experience overseeing a diverse range of skilled trades across planned, reactive, and preventative maintenance activities. This is a unique opportunity to contribute to national defence capability in a dynamic and rewarding environment.

What's on offer

• SafetyFirst-At Ventia, we believe that every job should be done right, and that everyone should go home safely at the end of each day.
• Ventia have been awarded a 6-year Defence Base Services contract with opportunity for further extension.
• Ventia is recognised as a Veteran Employer of Choice by the Australian Government's Department of Veterans' Affairs. Uniform/PPE supplied.
• Access to a variety of health and wellbeing initiatives, including discounted health insurance and our employee assistance program.
• Access to Ventia's: amazing discounts at over 450 retailers across Australia, including major retail brands.

Key Responsibilities include (but are not limited to):

• Oversee planned maintenance and repair works, including audits and resolution of post-work issues
• Provide on-going support and leadership to the trades and maintenance team
• Conduct routine and in-progress site inspections to ensure subcontractor performance and service quality.
• Ensure contractual compliance through site assessments and initiate necessary work orders or quotes.
• Manage client requests and feedback, ensuring timely resolution and clear communication.
• Monitor KPI compliance and provide regular progress updates through detailed reporting.

About you

• Any completed Trade certification - HVAC, Electrician, Plumber is preferred or relevant industry experience.
• Demonstrated experience supervising subcontractors and liaising directly with clients.
• Work Order management (SAP skills are highly desired)
• Strong negotiation and communication skills.
• Proficient computer skills - intermediate level in Microsoft Excel, Word, and Outlook
• A valid C-class driver's license - essential
• Must be eligible to hold a Defence Security Clearance. As a result of this requirement the applicant must be an Australian Citizen and be willing to undertake and maintain a satisfactory Australian Federal Police.

About Ventia

About VentiaAs a leading services provider, we maintain, operate, and manage the essential infrastructure that makes modern life possible across Australia and New Zealand. With more than 35,000 employees and subcontractors across 400 sites, joining Ventia means becoming part of a team that values its people, supports career growth, and helps everyone go further towards their full potential. Our commitment to Fairness, Inclusion and Respect shapes how we lead, collaborate, hire and support one another. We welcome applications from people of all ages, abilities and backgrounds, including Aboriginal and Torres Strait Islander peoples, and people of all genders, identities, sexual orientations, beliefs and caring responsibilities. We are dedicated to providing an accessible recruitment process and encourage you to request adjustments at any stage.