Senior Systems Administrator

Senior Systems Administrator

Temporary 90000 - 110000 $ / year (est.) Hybrid
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At a Glance

  • Tasks: Build and support Windows and Linux servers in a dynamic enterprise environment.
  • Company: Join a leading tech firm driving major infrastructure modernisation.
  • Benefits: Hybrid work model, competitive pay, and opportunities for skill development.
  • Other info: Initial six-month contract with multiple positions available.
  • Why this job: Be part of exciting migration projects and enhance your tech skills.
  • Qualifications: Experience with Windows Server, Red Hat Linux, and VMware is essential.

The predicted salary is between 90000 - 110000 $ per year.

Sydney | Hybrid - 50% office attendance | Initial 6-month contract | Multiple positions

We're seeking three experienced Senior Systems Administrators to support a major infrastructure modernisation program within a complex enterprise environment.

These roles are ideal for hands-on infrastructure professionals with strong experience across Windows Server, Red Hat Enterprise Linux and VMware.

You'll be involved in building, configuring, migrating and supporting critical server environments while helping ensure systems are secure, reliable and ready for operational handover.

  • What you'll be doing
  • Building, configuring and supporting Windows and Linux servers using established processes and standards
  • Administering Windows Server 2016, 2019 and 2022 environments
  • Managing Active Directory, Group Policy, DNS, DHCP and Certificate Services
  • Supporting RHEL environments across patching, hardening, package management and performance tuning
  • Administering VMware v Sphere and ESXi virtual infrastructure
  • Delivering server provisioning, deployment, patching and lifecycle-management activities
  • Supporting virtual server migrations, upgrades and broader platform-modernisation initiatives
  • Automating operational and administrative tasks using Power Shell and Bash
  • Monitoring systems, investigating incidents and resolving complex infrastructure issues
  • Completing server validation, readiness testing, documentation and operational handover
  • Supporting backup, recovery and disaster-recovery processes

What we're looking for

  • Extensive Windows Server and Red Hat Enterprise Linux administration experience
  • Strong knowledge of core Windows infrastructure services, including Active Directory and Group Policy
  • Solid VMware v Sphere and ESXi experience
  • Hands-on experience with server provisioning, patching and lifecycle management
  • Strong Power Shell scripting and automation capability
  • Experience using Bash or Linux shell scripting
  • Sound understanding of TCP/IP, DNS, routing and firewall concepts
  • Experience with enterprise monitoring, logging and troubleshooting
  • Strong documentation, stakeholder communication and problem-solving skills

Experience with server migrations, platform modernisation, Terraform, Puppet, Ansible or other infrastructure automation tools will be highly regarded.

Why consider this opportunity?

  • Work across both Windows and Linux technologies
  • Gain exposure to complex migration and platform-upgrade initiatives
  • Initial six-month contract with three positions available

Senior Systems Administrator employer: Talenza

As a leading player in the Manufacturing and Supply Chain industry, our company offers an exceptional work environment in Sydney, where innovation meets inclusivity. We prioritise employee growth through comprehensive leadership development programs and foster a collaborative culture that values diverse perspectives. With a focus on driving digital transformation and a commitment to delivering measurable business value, we empower our team to make a significant impact while enjoying the unique lifestyle that Sydney has to offer.

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Contact Details:

Talenza Recruitment Team

We think you need these skills to ace Senior Systems Administrator

Windows Server Administration
Red Hat Enterprise Linux Administration
VMware vSphere
ESXi Management
Active Directory Management
Group Policy Administration
DNS Management