Systems Administrator (Infrastructure)

Job Description
Mode of Work - Hybrid(Monday,Wednesday,Friday-WFO)
Shift - 6AM-3PM IST
Skills and experience
Minimum 4 years in systems and infrastructure administration in an enterprise environment (6 or more preferred).
Strong hands-on Windows Server and Linux server administration.
Strong VMware virtualisation administration.
Strong Microsoft Azure administration.
Active Directory and Entra ID at an infrastructure and policy level (health,configuration, governance).
Hands-on management of network switching and wireless — Cisco switches and wireless, and Aruba wireless. Firewall administration is not required.
Infrastructure patching experience — firmware and OS updates across physical compute, storage, and network hardware, and virtualisation platforms.
Backup and recovery administration, including fault diagnosis and remediation.
Working knowledge of vulnerability management and access governance.
Awareness of the ACSC Essential Eight, NIST CSF, or ISO 27001 sufficient to implement controls.
Experience working within ITIL-based change management.
Demonstrated ability to work independently, set their own priorities, and drive work to completion without close supervision.
Fluent written and spoken English, with the ability to communicate clearly with non technical staff.
Certifications desirable: Cisco CCNA, Microsoft AZ-104, VMware Certified Professional, CompTIA Security+.
GMP or other regulated industry experience advantageous but not essential.
Key accountabilities
Administer and maintain the virtual server environment across VMware and Azure,
including host and guest management. Responsible for keeping the environment
healthy, monitoring for issues, and resolving faults.
Administer Azure cloud services and supporting infrastructure, including
configuration, capacity monitoring, and cost-efficient operation. Escalate architectural
or investment decisions to the Head of Digital and Technology.
Maintain and manage network switching and wireless — Cisco switches and wireless
across the environment, and Aruba wireless at the Adelaide site.
Perform infrastructure patching — firmware and OS updates for physical compute,
storage, and network hardware, and for VMware and other virtualisation platforms.
Responsible for server and endpoint patching — setting the approach and schedule,
and ensuring cycles are completed. Routine execution is carried out by BioCina staff;
this role tracks completion and addresses any slippage or failures.
Responsible for the ongoing operation of the backup environment — maintaining
backup infrastructure, investigating and resolving failures, and confirming data remains recoverable.
Triage and remediate vulnerability findings relevant to servers and infrastructure, and
report on progress.
Maintain Active Directory and Entra ID health, policy, and configuration, and support
access governance and periodic access reviews.
Implement infrastructure changes arising from cyber security remediation roadmap.
Log and manage all changes through Jira Service Management in accordance with
ITIL-based change control procedure.
Support computer system validation and qualification by maintaining accurate
configuration records and audit-trail settings.
Maintain infrastructure documentation, runbooks, and configuration records within systems.
Direct on-site colleagues for physical tasks and act as an escalation point above L1 for infrastructure matters.
Contribute to Digital project work.

Work arrangement
No