Firmus Technologies

Technology

SystemsAdministrator

A$135–185k ~AI est. Sydney, New South Wales, Australia FULL TIME
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Senior candidates.

The Brief

“Systems Administrator at Firmus Technologies. Skills: Corporate infrastructure administration, Hybrid identity management, Endpoint security. Administer corporate infrastructure. Maintain corporate platforms”

What You'll Achieve.

Stable IT environment; Secure controls enforced; Effective backup and recovery; Timely incident resolution; Accurate asset management; Software license compliance; Clear documentation; Audit-ready processes; Positive stakeholder feedback

Industry & Context.

Technology
Problems you'll solve

Troubleshooting; Analytical; Root-cause analysis

Eligibility Requirements

Willingness to travel

What They're Looking For.

Must Have

5+ years System Administrator experience, Degree in Computer Science or equivalent, Hands-on server management, Hands-on endpoint management, Hands-on virtualisation platform management, Hybrid identity management, Endpoint management, Microsoft 365 experience, Entra ID experience, Hybrid AD experience, Intune experience, High availability systems maintenance, Proactive monitoring experience, Performance optimisation experience, Endpoint security experience, Threat detection experience, MFA enforcement experience, Security hardening experience, Backup and disaster recovery experience, Restore testing experience, Operational readiness experience, ITSM framework experience, Jira Service Management experience, Troubleshooting skills, Analytical skills, Root-cause analysis skills

Nice to Have

Vendor coordination experience

What You'll Do.

Administer corporate infrastructure

Maintain corporate platforms

Design identity management

Implement identity management

Operate identity management

Design access management

Implement access management

Operate access management

Design endpoint management

Implement endpoint management

Operate endpoint management

Improve endpoint security

Improve threat detection

Support security systems

Maintain security systems

Manage backup operations

Manage recovery operations

Manage disaster recovery operations

Monitor backup operations

Validate recovery readiness

Perform IT onboarding

Perform IT offboarding

Administer collaboration platforms

Maintain asset registers

Ensure software licensing compliance

Enforce endpoint compliance

Enforce configuration standards

Enforce application controls

Provide operational support

Perform root-cause analysis

Perform service improvement actions

Monitor infrastructure health

Monitor security posture

Contribute to threat investigations

Contribute to IT improvement initiatives

Improve operational maturity

Develop technical documentation

Maintain technical documentation

Mentor junior IT staff

Build resilient IT function

How You'll Work.

Team & Collaboration

Collaborate across departments; Collaborate with vendors; Cross-functional collaboration

Communication Scope

Engage stakeholders; Vendor communication

Process & Methodology

Infrastructure modernisation, Security posture improvements, Operational efficiency projects

Full Job Description

ROLE SUMMARY The Systems Administrator plays a critical role in maintaining and securing the IT infrastructure that supports Firmus’ business operations across regional offices. Reporting directly to the Chief Technology Officer (CTO), this position is responsible for the day-to-day administration of servers, network systems, endpoints, cloud services, and enterprise platforms. The role requires a strong hands-on background in system administration, hybrid Active Directory environments, cybersecurity enforcement, and end-user support. The Systems Administrator also contributes to strategic technology initiatives, including infrastructure modernisation, security posture improvements, and operational efficiency projects. This position demands a proactive, detail-oriented individual with the ability to manage complex systems, provide high-quality support, and collaborate effectively across departments and with external vendors. KEY RESPONSIBILITIES Senior technical for Firmus corporate IT environment, supporting regional operations across Australia and Singapore, with accountability for stability, security, and continuous improvement. Administer and maintain corporate infrastructure and platforms, including Windows and Linux servers, virtualisation platforms (VMware, Hyper-V, Proxmox), storage systems, and core corporate services. Design, implement, and operate identity, access, and endpoint management across the organisation using Microsoft 365, Entra ID (Azure AD), Intune, and Hybrid Active Directory, ensuring consistent security baselines and least-privilege access. Own and continuously improve endpoint security and threat detection, leveraging Cortex XDR, MFA, and vulnerability management practices in alignment with Firmus security standards. Support and maintain corporate security systems, including Milestone VMS and Inner Range access control, ensuring reliable and secure physical access operations. Manage backup, recovery, and disaster recovery operations using

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