Description Summary At Service Stream, we deliver and operate critical infrastructure across telecommunications, utilities, transport, defence and social infrastructure sectors.
As we continue to enhance our technology landscape, we're looking for an experienced AWS Systems Engineer to support and optimise our cloud, infrastructure and Microsoft 365 environments.Reporting to the Head of Enterprise Technology, this is a hands-on role focused on operational excellence, security uplift and continuous improvement across a national technology workplace.
About the Role Location : Collins Street, Melbourne.
Work type : Full time permanent.
Working requirements: As this role supports our Defence contract, you must be an Australian Citizen and able to obtain and maintain a Defence Security Clearance.
About the Role As our AWS Systems Engineer,



you will be responsible for the day-to-day administration and optimisation of AWS, Microsoft 365, Windows and Linux environments.
You'll play a key role in ensuring our platforms remain secure, patched, resilient and highly available while driving automation and operational efficiencies.This is a genuine run-and-improve position, ideal for someone who enjoys owning operational outcomes, solving complex technical issues, and continuously improving systems and processes.
Cloud Administration Administer and optimise AWS environments, including EC2, VPC, IAM, S3 and cloud networking.
Support Azure services and hybrid cloud environments.
Monitor performance, utilisation and cloud costs to ensure efficient operations.
Infrastructure

📌 Aws System Engineer (Melbourne)
🏢 Service Stream
📍 Melbourne