Senior IT Domain Specialist

Telstra; Council of the City of Sydney; Hybrid; AUD 100,000 - 130,000; Full time

Job summary

A leading telecommunications company in New South Wales is looking for a Senior IT Domain Specialist to enhance cloud platforms and technology solutions. This hybrid role involves system administration, incident management, and designing IT systems. Candidates should have 5-7 years of relevant experience and a strong knowledge of VMware technologies. Competitive perks include performance-related pay and learning opportunities.

Benefits

Performance-related pay

Access to thousands of learning programs

Purchased annual leave scheme

Additional Telstra day off

30% off Telstra products and services

Toolkit provided (laptop + mobile phone)

Recognition of prior service for recent defence members

4 weeks paid defence leave

Qualifications

• 5–7 years of experience in infrastructure engineering, particularly on-prem hosting platforms.
• Experience working with the Australian Department of Defence or Defence Industry is highly valued.
• Proven experience developing detailed engineering designs.

Responsibilities

• Architect and implement robust IT systems that support strategic priorities.
• Streamline deployment processes using automation across infrastructure.
• Produce and manage technical artifacts, guiding operational teams.

Skills

Infrastructure engineering

Virtualization technologies

Security principles and best practices

Education

Tertiary qualifications in IT, Science, or Engineering

Tools

VMware Cloud Foundation (VCF)

VMware vCenter

VMware NSX

VMware vSAN

Microsoft Active Directory Domain Services

Job description

Job Summary

The Senior IT Domain Specialist plays a key role in ensuring the cloud platforms, systems and solutions deliver a superior connected experience for our consumer and business customers. You do this by drawing on your deep expertise in multiple public cloud offerings and technologies combined with your broad experience in designing, implementing, managing and improving complex technology solutions.

Who We Are

We're an iconic Aussie brand with a global footprint. Our purpose is to build a connected future so everyone can thrive. We're all about providing the best experience and delivering the best tech on the best network.

This includes making Telstra the place you want to work. For you, that means a career that grows with you and working with a team powered by human connection that prioritises wellbeing and choice.

Focus of the Role

As the Senior IT Domain Specialist, you will perform a variety of System Administration and Engineering activities and provide technical escalation to the Telstra Level 3 Operations teams located around Australia. Daily activities include providing analytical, reasoning, and specialised technical expertise to investigate, isolate and rectify complex incidents and problems escalated from the service desk. Along with Engineering based activities such as designing new complex solutions and delivering exciting projects.

This role is hybrid and will require you to work in the office 2 to 3 days a week or more when required.

What We Offer

• Performance-related pay
• Access to thousands of learning programs so you can level-up
• Global presence across 22 countries; opportunities to work where we do business.
• Purchased annual leave scheme
• Additional Telstra day off
• Additional 30% off Telstra products and services
• Toolkit provided (laptop + mobile phone + plan paid for)
• Recognition of prior service for recent defence members; carry over of long service leave to Telstra
• 4 weeks paid defence leave for Defence Reserve members

What You’ll Do

• Design & Deliver Multi-Platform Solutions: Architect and implement robust IT systems and customer network features that support strategic priorities and enhance service capabilities.
• Optimise Deployment & Automation: Streamline deployment processes from concept to production using automation across infrastructure and operational support environments.
• Collaborate in Agile Environments: Engage in Agile ceremonies, cross-functional collaboration, and stakeholder engagement to ensure seamless solution delivery and continuous improvement.
• Lead Technical Development & Documentation: Produce and manage technical artefacts, guide operational teams, and mentor junior engineers to foster growth and excellence.
• Drive Innovation & Customer Experience: Leverage emerging technologies and data insights to improve systems, simplify processes, and deliver exceptional customer outcomes.
• Support Incident Response & Vendor Management: Provide expert support during major incidents and evaluate vendor solutions to ensure alignment with business needs and performance standards.

About You

• Tertiary qualifications in IT, Science, or Engineering with 5–7 years of experience in infrastructure engineering, particularly on-prem hosting platforms.
• Strong knowledge of Virtualization technologies, preferably VMware
• Experience working with the Australian Department of Defence or Defence Industry is highly valued.
• Experience engineering, supporting and designing On-Prem infrastructure hosting platforms
• Solid understanding of security principles and best security practices.
• Proven experience developing detailed engineering designs

Highly Desired Technical Skills

• VMware Cloud Foundation (VCF)
• VMware vCenter
• VMware NSX
• VMware vSAN
• Microsoft Active Directory Domain Services

Beneficial Skills and Attributes

• Containerisation platforms: Docker, Kubernetes, VMware Tanzu
• Operating systems: Red Hat Enterprise Linux, Microsoft Server
• Infrastructure components: Data centre load balancing, storage, backup, and archiving solutions
• Automation and scripting: Ansible playbook development, PowerShell scripting, automated server deployments
• Software deployment: SCCM/MECM experience
• Networking: Switching, routing, and F5 infrastructure
• Security: Certificates and PKI management

Candidates must hold a NV2 security clearance to be considered.

We’re amongst the top 2% of companies globally in the CDP Global Climate Change Index 2023, being awarded an 'A' rating. If you want to work for a company that cares about sustainability, we want to hear from you.

We work flexibly at Telstra. Talk to us about what flexibility means to you. When you apply, you can share your pronouns and / or any reasonable adjustments needed to take part equitably during the recruitment process.

We are aware of current limitations with our website accessibility and are working towards improving this. Should you experience any issues accessing information or the application form, and require this in an alternate format, please contact our Talent Acquisition team via the contact details found at www.telstra.com.au/careers/diversity-equity-and-inclusion/disability-employment