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.