Defence IT Systems Administrator (Windows & Linux)

CAE Inc; Sydney; On-site; AUD 120,000 - 170,000; Full time

Benefits offered by this job

Opportunity to impact Australian DEF E

Global tech & training organisation

ADF Reserve Service Policy

Wellness subsidy

Generous parental leave

Employee Share Scheme

Fitness Passport

Insurance cover

Ongoing professional development

And much more

Job summary

CAE is seeking an experienced Systems Administrator to support core ICT infrastructure in a secure Defence environment. You will ensure availability, performance, and security of systems supporting training and mission readiness, working with ICT, Cyber Security and operations teams.

You will manage Windows and Linux servers, monitor health, apply patches, hardening, backups, and disaster recovery, and maintain documentation while operating from Homebush, NSW in a secure office.

Qualifications

• Australian citizenship is required.
• Current NV2 Defence Security Clearance or ability to maintain.
• Bachelor's degree in Information Technology, Computer Science or related field.
• Minimum 5 years' experience as a Systems Administrator.
• Experience with Windows and Linux operating systems.
• Strong network/infrastructure knowledge (switches/routers/firewalls).
• Experience with monitoring, troubleshooting and performance optimisation.
• Knowledge of cybersecurity, system hardening and patch management.
• Experience with backup, recovery and disaster recovery processes.
• Ability to work from Homebush, NSW in a secure office environment.

Responsibilities

• Manage and maintain Windows and Linux server environments for reliability and performance.
• Monitor system health, identify issues and troubleshoot complex problems.
• Administer user accounts, permissions and access controls per security requirements.
• Perform patching, updates and hardening to maintain compliance and security.
• Support network infrastructure including switches, routers and firewalls.
• Maintain technical documentation, provide end-user support and contribute to improvements.

Skills

5+ years experience

Strong network understanding

Security awareness

Education

Bachelor's degree in IT / CS

Tools

Windows Server

Linux servers

VMware

Hyper-V

Cisco networking equipment

Backup & DR tools

Job description

CAE is seeking an experienced Systems Administrator to support core ICT infrastructure in a secure Defence environment. You will ensure availability, performance, and security of systems supporting training and mission readiness, working with ICT, Cyber Security and operations teams.

You will manage Windows and Linux servers, monitor health, apply patches, hardening, backups, and disaster recovery, and maintain documentation while operating from Homebush, NSW in a secure office.