AWS Systems Engineer - Cloud, Security & Automation

Service Stream; Melbourne; On-site; AUD 120,000 - 160,000; Full time

Benefits offered by this job

Growth – career development and内部移动机会

Discounts – access to retail and other

Paid leave options

Culture – inclusive and supportive

Job summary

Service Stream is seeking an experienced AWS Systems Engineer to support and optimise our cloud, Windows and Linux environments across a national technology footprint. This hands-on role emphasizes security uplift, automation and operational excellence, reporting to the Head of Enterprise Technology.

The successful candidate will administer AWS (EC2, IAM, S3), manage Microsoft 365 and hybrid cloud services, patching and hardening, monitor costs, and drive infrastructure-as-code initiatives while

Qualifications

• 3+ years of systems administration or infrastructure engineering experience.
• Strong AWS administration experience across core cloud services.
• Hands-on experience with Windows Server and Linux environments.
• Microsoft 365 administration including Entra ID, Exchange Online, Teams, SharePoint and Intune.
• Experience managing patching, vulnerability remediation and security controls.
• Knowledge of DNS, VPNs and firewalls in an enterprise setting.
• Scripting and automation using PowerShell and/or Python.
• Strong troubleshooting and analytical skills with stakeholder engagement.
• Proactive mindset with continuous improvement focus.

Responsibilities

• Administer and optimise AWS environments (EC2, VPC, IAM, S3).
• Support Azure services and hybrid cloud environments.
• Monitor performance, utilisation and cloud costs for efficient operations.

Skills

AWS administration

Windows & Linux

Microsoft 365

PowerShell

Python

Security & patching

Networking (DNS, VPN, firewalls)

Troubleshooting

Stakeholder engagement

Automation & continuous improvement

Security clearance eligibility

Education

Degree in IT/Engineering

AWS Solutions Architect Associate

AWS SysOps Administrator

Azure Administrator (AZ-104)

Azure Security (AZ-500)

MS-102 / MD-102 (Microsoft 365)

CCNA

ITIL Foundation

Security+ / SC-200

Tools

AWS (EC2, IAM, S3)

Active Directory

Azure

Job description

Service Stream is seeking an experienced AWS Systems Engineer to support and optimise our cloud, Windows and Linux environments across a national technology footprint. This hands-on role emphasizes security uplift, automation and operational excellence, reporting to the Head of Enterprise Technology.

The successful candidate will administer AWS (EC2, IAM, S3), manage Microsoft 365 and hybrid cloud services, patching and hardening, monitor costs, and drive infrastructure-as-code initiatives while