AWS Systems Engineer - Cloud, Security & Automation

Service Stream Fixed Communications; Melbourne; On-site; AUD 110,000 - 150,000; Full time

Benefits offered by this job

Career development

Discounts

Paid leave

Job summary

Service Stream Fixed Communications is seeking an experienced AWS Systems Engineer in Melbourne to administer AWS, Windows, Linux, and Microsoft 365 environments. You will drive automation, security uplift, and operational excellence across a national technology landscape.

You will report to the Head of Enterprise Technology and work in a hands-on role focused on monitoring, patching, hardening, and resilience to support critical infrastructure and Defence-related work.

Qualifications

• 3+ years' experience in systems administration or infrastructure engineering.
• Strong AWS administration experience across core cloud services.
• Hands-on experience supporting Windows Server and Linux environments.
• Microsoft 365 administration experience, including Entra ID, Exchange Online, Teams, SharePoint and Intune.
• Experience managing patching, vulnerability remediation and security controls.
• Knowledge of enterprise networking technologies including DNS, VPNs and firewalls.
• Scripting and automation experience using PowerShell and/or Python.
• Strong troubleshooting, analytical and problem-solving skills.

Responsibilities

• Administer and optimise AWS environments and cloud networking.
• Support Azure services and hybrid cloud environments.
• Manage Windows Server and Linux environments, AD, DNS, and DHCP.
• Administer Microsoft 365 services including Entra ID and Exchange Online.
• Drive security improvements, vulnerability remediation, and patching.
• Support network technologies, firewalls, DNS, VPNs and load balancing.
• Develop automation via PowerShell and Python; pursue IaC and standardisation.
• Maintain monitoring, backup, and disaster recovery processes.

Skills

AWS administration

PowerShell scripting

Python scripting

Windows/Linux administration

Troubleshooting

Automation mindset

Stakeholder engagement

Education

Degree in IT/CS/Engineering

AWS Solutions Architect Associate or SysOps

Azure Administrator AZ-104/AZ-500

Microsoft 365 certifications (MS-102/MD-102)

ITIL Foundation

Tools

Active Directory

DNS/DHCP

Intune

Exchange Online

Job description

Service Stream Fixed Communications is seeking an experienced AWS Systems Engineer in Melbourne to administer AWS, Windows, Linux, and Microsoft 365 environments. You will drive automation, security uplift, and operational excellence across a national technology landscape.

You will report to the Head of Enterprise Technology and work in a hands-on role focused on monitoring, patching, hardening, and resilience to support critical infrastructure and Defence-related work.