System Administrator

Cleared Recruitment; Canberra; On-site; AUD 90,000 - 120,000; Full time

Benefits offered by this job

Competitive salary

Benefits package

Career development

Team culture

Leave & wellbeing initiatives

Job summary

Cleared Recruitment has partnered with a leading Australian Defence technology organisation to appoint a Systems Administrator in Canberra. You will maintain enterprise ICT infrastructure, Windows Server environments, Active Directory, DNS/DHCP and related Microsoft services in a secure, high‑integrity environment.

You will also support Linux systems as needed, manage virtualization and storage, monitor security controls, and contribute to incident response and documentation.

Qualifications

• 5+ years in systems administration or infrastructure support.
• Strong experience with Windows Server, Active Directory and Microsoft technologies.
• Knowledge of virtualization platforms and enterprise storage environments.
• Desirable exposure to Linux administration.
• Understanding of ITIL processes including incident and change management.
• Excellent problem-solving, communication and stakeholder engagement.

Responsibilities

• Provide day-to-day administration and support of enterprise ICT infrastructure.
• Maintain and support Windows Server environments and related technologies.
• Administer Active Directory, DNS, DHCP and Microsoft services.
• Support Linux systems where required and assist with virtualization and storage.
• Monitor performance, security and availability; resolve incidents and service requests.
• Contribute to documentation and continuous improvement initiatives.

Skills

Windows Server

Active Directory

Microsoft technologies

Virtualization

DNS/DHCP

Linux administration

ITIL processes

Job description

Systems Administrator | Defence | ACT

Cleared is partnering with a leading Australian Defence technology organisation to identify an experienced Systems Administrator to join a high-performing ICT team supporting secure, business-critical environments.

The Opportunity

This role offers the opportunity to work within a complex and highly secure technology environment, providing administration, maintenance and support across enterprise infrastructure, networking and business applications.

As part of a team of technical specialists, you will be responsible for ensuring the stability, security and performance of key systems while providing technical support to internal stakeholders.

Key Responsibilities

• Provide day-to-day administration and support of enterprise ICT infrastructure.
• Maintain and support Windows Server environments and associated technologies.
• Administer Active Directory, DNS, DHCP and Microsoft-based services.
• Support Linux systems and applications where required.
• Manage virtualised environments, enterprise storage platforms and backup solutions.
• Monitor system performance, availability and security compliance.
• Investigate, troubleshoot and resolve technical incidents and service requests.
• Implement and maintain system and network security controls.
• Support software deployment, patching and system imaging activities.
• Assist with LAN and WAN administration and network troubleshooting.
• Coordinate hardware procurement, deployment and lifecycle management.
• Maintain technical documentation and contribute to continuous improvement initiatives.

Skills & Experience

The successful candidate will demonstrate:

• 5+ years' experience in systems administration, infrastructure support or a similar role.
• Strong experience with Windows Server, Active Directory and Microsoft technologies.
• Knowledge of virtualisation platforms and enterprise storage environments.
• Experience supporting Windows 10/11 desktop environments.
• Understanding of TCP/IP networking, DNS, DHCP, LAN and WAN technologies.
• Experience with remote support tools, patch management and software deployment platforms.
• Exposure to Linux administration is desirable.
• Knowledge of ITIL processes, including incident and change management.
• Strong problem-solving and troubleshooting capabilities.
• Excellent communication and stakeholder engagement skills.
• Ability to manage competing priorities in a fast-paced technical environment.

What's on Offer

• Opportunity to work within a secure Defence-related environment.
• Exposure to advanced infrastructure and enterprise technologies.
• Career development and ongoing professional growth opportunities.
• Competitive salary and benefits package.
• Collaborative and supportive team culture.
• Additional leave and wellbeing initiatives.

Security Requirements

Applicants must:

• Be Australian Citizens.
• Hold or be eligible to obtain and maintain an NV2 Australian Government Security Clearance.
• Meet applicable security and compliance requirements associated with Defence industry programs.

This opportunity would suit a Systems Administrator with experience in Defence, government, managed services or other highly regulated environments who enjoys solving complex technical challenges and supporting mission-critical systems.