Senior IT Systems Administrator – Windows & Linux

Viasat; Australia; Remote; AUD 90,000 - 120,000; Full time

Job summary

Viasat in Australia seeks an SGS-E System Administrator to manage a sophisticated IT system in a client environment. You will perform daily health checks, apply preventative maintenance, and coordinate with vendors and project teams to ensure uptime and security.

You will have strong Linux and Windows administration skills, Active Directory experience, and the ability to advise the Site Manager on IT system matters. NV1 clearance or prior clearance is required for this role.

Qualifications

• Experience in Linux systems administration.
• Experience with Windows Server and Active Directory management.
• Australian citizen with NV1 clearance or prior clearance.
• Strong interpersonal and communication skills to work with partners.

Responsibilities

• Perform daily checks of system health and status.
• Carry out preventative maintenance per Site Maintenance Plan.
• Investigate and remediate issues from ticketing system.
• Manage system update services and engage vendor support as needed.
• Handle physical hardware installation and sanitisation of IT equipment.
• Collaborate with project teams on ongoing tasks and downtime notifications.
• Manage Active Directory users and security controls.
• Configure external logistics network and firewall/switching support.
• Conduct quarterly vulnerability scans and remediation reviews.
• Monitor site backups and ensure coverage.
• Provide training on site IT assets to client reps.

Skills

Linux administration

Windows administration

Active Directory management

IT systems knowledge

Networking fundamentals

Vulnerability management

Communication skills

Project management

Problem solving

Education

Bachelor's degree in information technology or computer science

Professional IT certifications

Tools

Linux servers

Windows Server

Virtualization

Networking equipment

Backup & recovery tools

Job description

Viasat in Australia seeks an SGS-E System Administrator to manage a sophisticated IT system in a client environment. You will perform daily health checks, apply preventative maintenance, and coordinate with vendors and project teams to ensure uptime and security.

You will have strong Linux and Windows administration skills, Active Directory experience, and the ability to advise the Site Manager on IT system matters. NV1 clearance or prior clearance is required for this role.