Senior Infrastructure Engineer - Cloud, On-Prem & Security

CW Retail Services Pty Ltd

Melbourne

On-site

AUD 140,000 - 190,000

Full time

9 days ago

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Benefits offered by this job

Flexible work options
Parental leave
Employee discounts
EAP services
Onsite canteen
Shuttle service

Job summary

Sigma Healthcare is seeking an experienced Infrastructure Systems Engineer based at the Preston Support Office to design, operate and optimise enterprise infrastructure across cloud and on‑premises environments. You will provide technical direction, enhance resilience and security, mentor engineers, and drive automation, capacity planning and upgrades while aligning with regulatory requirements.

This role requires seven years in systems engineering, a Computer Engineering degree, and deep

Qualifications

  • Degree in Computer Engineering or equivalent.
  • 7+ years in systems engineering, healthcare experience preferred.
  • Strong knowledge of AD, Exchange, M365, Windows and Linux servers.
  • Experience with IAM platforms such as Microsoft Entra.
  • Excellent planning, communication, and teamwork.

Responsibilities

  • Collaborate to design and implement infra across cloud and on‑prem.
  • Monitor core platforms for high availability and performance.
  • Maintain disaster recovery capabilities.
  • Lead automation in provisioning, monitoring, patching.
  • Mentor engineers and drive best practices.

Skills

Active Directory
Microsoft Exchange
Microsoft 365
Windows Server
Linux Server
Identity & Access Management
IT Security

Education

Degree in Computer Engineering or equivalent

Tools

Microsoft Entra
SharePoint
Excel

Job description

Sigma Healthcare is seeking an experienced Infrastructure Systems Engineer based at the Preston Support Office to design, operate and optimise enterprise infrastructure across cloud and on‑premises environments. You will provide technical direction, enhance resilience and security, mentor engineers, and drive automation, capacity planning and upgrades while aligning with regulatory requirements.

This role requires seven years in systems engineering, a Computer Engineering degree, and deep

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