Systems Administrator

Salary: $115k - $120k p.a.+ Super

Mars Recruitment is partnering with an established Western Australian financial services organisation to appoint an experienced IT Systems Administrator.

Supporting approximately 100 employees, you will be the organisation's primary hands-on technical resource, responsible for maintaining its Microsoft environment, servers, networks, endpoints, security platforms and business systems.

This is a varied internal position offering genuine ownership of the day-to-day technology environment. You will manage infrastructure and user-support requirements while strengthening cyber security controls, improving Essential Eight maturity and contributing to technology projects.

Key responsibilities

Systems and network administration

• Administer Microsoft 365, Windows Server, Active Directory, Group Policy, Entra ID and endpoint environments.
• Configure and troubleshoot switches, firewalls, VLANs, DNS, DHCP and TCP/IP.
• Monitor server, network and system health.
• Manage endpoints and coordinate security patching.
• Maintain backup, disaster-recovery and business-continuity solutions.
• Manage user access, onboarding, offboarding and equipment provisioning.
• Coordinate with technology vendors and service providers.
• Maintain accurate infrastructure and system documentation.

Cyber security

• Monitor and investigate security alerts and suspicious activity.
• Respond to phishing, malware, compromised accounts and endpoint-security incidents.
• Administer and monitor Microsoft Defender, Sentinel, EDR and identity-security technologies.
• Coordinate vulnerability identification, prioritisation and remediation.
• Maintain and improve Essential Eight controls and the organisation's cyber security plan.
• Support MFA, privileged access and identity-management controls.
• Assist with cyber risk assessments, audits and compliance reviews.
• Contribute to incident response, recovery and security-awareness initiatives.

IT support and projects

• Provide responsive Level 1 and 2 technical support across approximately 100 employees.
• Troubleshoot Microsoft 365, Windows, Outlook, hardware, software and mobile-device issues.
• Support and improve the organisation's SharePoint intranet.
• Assist with online forms, workflows and process-automation initiatives.
• Identify opportunities to streamline manual processes and improve service delivery.
• Evaluate emerging technologies, including appropriate uses for AI tools.
• Work with internal stakeholders to deliver technology projects and support user adoption.

About you

This opportunity would suit a well-rounded Systems Administrator, Infrastructure Engineer or senior IT Support Engineer who is comfortable independently managing a small-to-medium internal environment.

You will ideally bring:

• At least three to five years' experience across systems administration, infrastructure support or a comparable internal IT position.
• Strong Microsoft 365, Windows Server, Active Directory and Group Policy administration skills.
• Experience administering Entra ID, Intune or comparable endpoint-management technologies.
• Practical networking experience across firewalls, switches, VLANs, DNS and DHCP.
• Experience supporting backup and disaster-recovery solutions.
• Hands-on cyber security experience, including alert investigation, endpoint security and vulnerability remediation.
• Exposure to Microsoft Defender, Sentinel, Sophos or comparable SIEM and EDR platforms.
• Knowledge of the Essential Eight and broader security-compliance practices.
• Experience supporting or administering SharePoint Online.
• Strong troubleshooting, documentation and stakeholder-communication skills.
• The confidence to independently manage competing infrastructure, security and support priorities.
• A professional, responsive and service-focused approach to end-user support.

Experience within financial services or another regulated environment would be highly regarded.

What's on offer

• Salary of approximately $120,000 plus superannuation.
• Broad ownership of an established internal IT environment.
• Direct involvement across infrastructure, networking, security and projects.
• The opportunity to improve systems, processes and cyber security maturity.
• A stable permanent position with an established Western Australian organisation.

To apply, submit your resume through the link provided. For a confidential discussion, contact Brody Dosek at Mars Recruitment.

We appreciate the time and effort involved in submitting an application. Due to the volume of applications expected, only shortlisted candidates will be contacted.