Infrastructure Engineer – Hybrid Cloud & On-Prem Ops

Gilbert + Tobin Lawyers; Sydney; Hybrid; AUD 120,000 - 180,000; Full time

Benefits offered by this job

Parental leave

Additional annual leave

Subsidised café

Subsidised gym membership

End-of-trip facilities

Retail discounts

Job summary

Gilbert + Tobin Lawyers in Sydney seeks an experienced Infrastructure Engineer to join the Technology Operations team. You will maintain and improve hybrid on-premises and cloud infrastructure across Azure and AWS, taking ownership of complex issues and guiding junior team members.

The role focuses on reliability, security and performance, with responsibilities spanning monitoring, automation, security hardening, DR and cross-team collaboration.

Qualifications

• Five or more years' experience in infrastructure engineering, systems engineering or a similar enterprise IT operations role.
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Responsibilities

• Maintain, troubleshoot and enhance hybrid infrastructure across on-premises, Azure and AWS.
• Act as escalation point for Systems Administrators, investigating complex incidents, performing root cause analysis and implementing preventative measures.
• Design and implement highly available, resilient and scalable infrastructure solutions aligned with business, security and operational requirements.
• Support and maintain core infrastructure services including Windows Server, Active Directory, Entra ID, DNS, DHCP, Group Policy and Microsoft 365 services.
• Deliver infrastructure upgrades, migrations, technology refreshes and new solution deployments, including patching, vulnerability remediation and lifecycle management.
• Use infrastructure as code and automation technologies such as Terraform, Pulumi, CloudFormation, PowerShell and Python to deliver consistent and repeatable infrastructure.
• Maintain monitoring, alerting, logging and observability across infrastructure platforms using tools including AWS CloudWatch, Azure Monitor and Log Analytics.
• Support infrastructure security, hardening and compliance initiatives aligned with frameworks including Essential Eight, CIS Benchmarks, ISO 27001 and Microsoft Secure Score.
• Develop and maintain backup, disaster recovery and business continuity solutions and identify opportunities to improve infrastructure reliability, scalability and operational efficiency.
• Collaborate with cloud, network, security, application and business teams and manage relationships with technology vendors and service providers.
• Maintain high-quality technical documentation, infrastructure diagrams, operational procedures and as-built configurations.
• Participate in the team's on-call roster and provide out-of-hours support for critical business systems and incidents when required.

Skills

Infrastructure engineering

Azure

AWS

Windows Server

Active Directory

Automation

Terraform

Pulumi

CloudFormation

PowerShell

Python

YAML

SSO

MFA

IT security

Tools

Terraform

Pulumi

CloudFormation

Bicep

PowerShell

Python

YAML

Job description

Gilbert + Tobin Lawyers in Sydney seeks an experienced Infrastructure Engineer to join the Technology Operations team. You will maintain and improve hybrid on-premises and cloud infrastructure across Azure and AWS, taking ownership of complex issues and guiding junior team members.

The role focuses on reliability, security and performance, with responsibilities spanning monitoring, automation, security hardening, DR and cross-team collaboration.