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Infrastructure Specialist

Posted on Sept. 4, 2025

  • Nsw, Australia
  • 0 - 0 USD (yearly)
  • Full Time

Infrastructure Specialist

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Infrastructure Specialist – Cloud & Datacentre

At Optus, we don’t sit back and let the future happen to us - we’re out there making it. By expanding into new technology and relentlessly improving every day, we’re creating a better tomorrow for all Australians.

We believe in the strength of a vibrant, diverse and inclusive workforce where backgrounds, perspectives and life experiences of our people help us innovate and create strong connections with our customers.

This is a Tier 2 Infrastructure Specialist Role that facilitates the delivery of managed services and technical support for Cloud and Datacentre technologies in accordance with the contracted service level agreements for our customers. Working with Optus customers, internal stakeholders and vendors to provide technical support and assist with incident and change management.

This role is accountable for delivering brilliant service to multiple enterprise customers across key technologies including VMWare, Microsoft, Cisco and Public Cloud. A strong vendor management focus is key in this role, working closely with various vendors, driving the right outcomes for our customers

  • We will only be considering Australian Citizens able to obtain an NV1 security clearance*
Your Day-to-Day:
Help us keep our critical internal and customer virtualised compute environments running smoothly through pro-active maintenance and reactive incident response.

Assisting users with access and security management. Owning the administration and management of user access domains and groups

Identification and remediation of vulnerabilities within defined SLAs across multiple platforms and vendors

Monitoring diagnosing and solving performance issues that are or have the potential to be service impacting

Strong stakeholder communication and vendor management.

Contribute to our exciting journey in supporting cutting-edge cloud hosted and on-premises technologies including:

Hypervisor Virtualisation

VMware vSphere

Cisco UCS servers

Linux Server Administration

Windows Server Admin

Backup and Storage Platforms

Security and Protection applications

Active Directory admin and support

OS patch management using WSUS, SCCM, Repo server

Protection Applications (Symantec, Microsoft Defender)

Vulnerability management and remediation

Service Now SNOW experience

Work within a structured environment that follows standard IT service management practices (based on ITIL principles).

Be an escalation point for more complex Cloud and DC incidents that Service Desk or other teams may encounter.

This role operates between Monday to Friday for a 38 Hour Week, 3 Days a week in Office 2 days a week work from home with a degree of flexibility. There may be after-hours work for planned changes, and you'll have opportunities to earn 'on call/call out' allowances.

What We're Looking For:
We're keen to hear from individuals who are enthusiastic about technology and eager to learn. Experience with VMWare, Microsoft and Cisco computing platforms will be highly considered. Certifications from major vendors for systems like VMWare, Microsoft and Cisco will be well regarded

We are also looking for:
Strong problem-solving skills and a proactive approach.

Excellent communication and interpersonal abilities.

A willingness to learn and contribute to a team environment.

Ability to follow processes and guidelines.

A genuine interest in the world of private and public cloud computing technologies and their large-scale application.

What’s in it for you?

Accessible employer with wheelchair access

Inclusive paid parental leave, up to 16 weeks for the primary care giver

All Optus employees have access to resources, webinars and support via the ‘Parents at Work portal’

25% monthly service discount and $80 monthly bill rebate plus additional benefits to over 400retailers Australia-wide

Connect at work through our employee-led volunteer groups: Culture Connect, Elevate Women, Disability Network, Express Yourself (LGBTQIA+), United Veterans, Yarn Network, Wellbeing Network and Young Professionals.

Vibrant campus life, variety of facilities including restaurants, cafes, gymnasium, GP, and post office

Free Optus bus from Macquarie University Metro Station (every 6-8 minutes); morning and afternoon

Keen to see what it’s really like to work at Optus? Search #OptusLife on LinkedIn to go behind the scenes!

At Optus, we are strengthened by others and that means valuing diversity and saying ‘yes’ to embracing individual differences. We are committed to ensuring that our application process provide an equal employment opportunity to all job seekers, including individuals from diverse gender, cultural and linguistic backgrounds, individuals with a disability, individuals identifying as being part of the LGBTQIA+ community, individuals who may have served in the armed forces or who identify as Aboriginal and/or Torres Strait Islander. We also want to do our best to make our recruitment process inclusive. If you require any adjustments or accessibility support to participate fairly and equitably in the recruitment process, please emailAccessibleRecruitment@optus.com.au or call 1800 309 170. We're here to help. When you contact us, please advise your preferred method of contact and we will be in touch within 48hours.

For more information on Diversity, Inclusion & Belonging at Optus, please visithttps://www.optus.com.au/about/inclusion-diversity.

AI assisted Interviews will not be viewed favourably for this role

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