Senior System Engineer

Triple Zero; Melbourne; On-site; AUD 127,000 - 155,000; Full time

Benefits offered by this job

Employee assistance program

Discounted health insurance

Memberlink discount card

Free staff parking

Salary packaging options

Job summary

Triple Zero Victoria seeks a Senior System Engineer to lead ICT infrastructure supporting TZV's 24/7 emergency communications. You will oversee on-premises and hybrid-cloud environments, providing hands-on leadership, architecture guidance, and incident resolution.

You will mentor engineers, drive security and availability improvements, and maintain critical documentation and processes to ensure service delivery across TZV's mission-critical systems.

Qualifications

• Minimum 5 years hands-on infrastructure engineering in large organisations.
• Current Microsoft certification (e.g. M365 Admin Expert or Azure Administrator) or equivalent.
• Experience with 24/7 ICT environments, hybrid-cloud and Data Centre.
• Experience with M365, VMware, storage, servers, backup and recovery, Citrix.
• Experience with monitoring, security tooling, automation and PowerShell.
• Strong communication and documentation, mentoring capability.

Responsibilities

• Manage, monitor and maintain secure, highly available ICT infrastructure.
• Support design, build and implementation of infrastructure solutions across hybrid-cloud and Data Centre.
• Develop and implement asset lifecycle and maintenance plans.
• Lead analysis and troubleshooting of complex technical issues.
• Provide technical leadership and mentoring to engineers.
• Maintain technical documentation and operational processes.

Skills

Infra engineering

Microsoft 365

Azure

VMware

Storage solutions

Citrix

PowerShell

Automation

ITIL

DevOps

Education

IT degree

Microsoft certifications

Tools

VMware vSphere

Citrix

Microsoft 365

Azure

Job description

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Job Function: Information and Communications Technology

Date Posted: 16 Oct 2026

Job Requisition ID: 3035

• Key technical SME responsible for delivering ICT operations
• $141,256 base + 12% superannuation
• Full-time, ongoing role, located in Burwood East

About Triple Zero Victoria

Triple Zero Victoria (TZV) provides the critical link between the Victorian community and the state's emergency services agencies. It provides Victoria's 24-hour emergency call-taking and dispatch services for Police, Fire, Ambulance and VICSES.

This integration of emergency services communications within Triple Zero Victoria is unique in Australia and rare worldwide. The team at Triple Zero Victoria are deeply committed to the community they serve and are among the most dedicated and highly skilled in their field.

About the Role

The Senior System Engineer is a key technical subject matter expert within the Emergency Communications Information Services (ECIS) Infrastructure team, responsible for maintaining and improving ICT infrastructure supporting TZV's 24/7 mission-critical emergency communications services.

Working across on-premises Data Centre and hybrid-cloud environments, you will provide hands-on technical leadership in infrastructure operations, solution design and implementation, and the resolution of complex technical incidents. You will also lead technical improvements, mentor engineers and help ensure our infrastructure platforms remain secure, resilient and highly available.

Day to day responsibilities include:

• Manage, monitor and maintain secure, highly available ICT infrastructure, proactively identifying and resolving performance, availability and security risks.
• Support the design, build and implementation of infrastructure solutions across hybrid-cloud and Data Centre environments, working with architects and technical teams and providing expertise in capacity planning and scalability.
• Develop and implement asset lifecycle and maintenance plans that keep infrastructure performing, secure and supportable.
• Lead the analysis and troubleshooting of complex technical issues, recommending solutions that improve system reliability and performance.
• Provide technical leadership and mentoring to engineers, promoting knowledge sharing and continuous improvement.
• Maintain technical documentation and operational processes to support effective service delivery and knowledge transfer.

About You

The successful candidate will have strong technical expertise and excellent problem-solving skills, with a track record of delivering reliable infrastructure in demanding operational environments.

• A relevant tertiary qualification in IT or a related discipline and a current Microsoft certification (e.g. Microsoft 365 Administrator Expert or Azure Administrator Associate), or equivalent relevant experience.
• At least five years’ hands-on experience in infrastructure engineering and operations, including supporting 24/7 ICT environments within a large organisation.
• Demonstrated experience across Microsoft 365 and Microsoft infrastructure, VMware virtualisation, enterprise storage, server infrastructure, backup and recovery, and Citrix environments.
• Experience with infrastructure monitoring, security tooling, automation and scripting (e.g. PowerShell).
• Demonstrated experience in change management, with strong analytical and troubleshooting skills.
• Excellent communication and documentation skills, with the ability to collaborate with stakeholders and mentor technical team members.
• VMware Certified Professional (VCP), Azure Solutions Architect Expert or equivalent.
• ITIL certification or experience working within an ITIL environment.
• Experience working within security frameworks and standards (e.g. ISO 27001, ACSC Essential Eight).
• Experience with DevOps practices and infrastructure as code.

What We Can Offer You

You will be supporting a critical service to the Victorian community and will be rewarded with a competitive salary, flexible working arrangements and employee benefits including:

• Employee assistance program for employees and eligible family members
• Discounted health insurance, banking servicesand gym membership
• 'Memberlink' discount card, accepted by 1,000's of retailers and services providers
• Free staff parking at all our sites
• Salary packaging options after an initial service period

Triple Zero Victoria is committed to the principles of equal opportunity, and diversity and inclusion for all. We value the unique backgrounds, experiences, and contributions that each person brings to our workplace. We encourage and celebrate diversity in all forms - gender, religion, ethnicity, LGBTQIA+, disability and neurodiversity. Aboriginal and Torres Strait Islander candidates are strongly encouraged to apply for our roles. Our aim is to create a workforce that reflects the Victorian community in which we live.

Other Relevant Information

Applicants must be an Australian or New Zealand Citizen or a Permanent Resident. If you have applied for an ongoing position, you can only be considered for a fixed term period of employment that does not exceed your visa term. Employment will be subject to providing evidence of your Australian working rights.

Preferred candidates will be required to complete a Pre-employment Medical Declaration, with employment subject to a National Police Check clearance.