Sr Site Reliability Engineer (SRE)

Job Description

Role: Sr Site Reliability Engineer (SRE) \n

Experience: 8-10 years

Location: Sydney Key Technologies \n

AWS | EKS | ECS | EC2 | Lambda | GitLab | Terraform | Ansible | Python | Bash | Linux | Kubernetes | Docker | PostgreSQL | Oracle | Vault | CloudWatch | OpenTelemetry | Grafana | Splunk | ELK | SLI | SLO | SLA | DevOps | Site Reliability Engineering

Role Summary \n

We are seeking an experienced AWS DevOps & Site Reliability Engineer (SRE) to build, automate, operate, and continuously improve cloud platforms and mission-critical applications. The role focuses on AWS cloud engineering, infrastructure automation, CI/CD, platform reliability, observability, incident management, resiliency, and operational excellence within a highly regulated enterprise environment.

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The successful candidate will drive automation, reliability, performance, scalability, and availability of cloud-native platforms while partnering with engineering teams to improve release quality, operational stability, and customer experience.

Key Responsibilities \n

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• Design, build, and maintain AWS cloud infrastructure and platform services.
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• Develop and manage CI/CD pipelines using GitLab.
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• Support cloud migration and platform modernization initiatives.
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• Implement Infrastructure as Code (Terraform) and configuration management (Ansible).
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• Automate deployments, environment provisioning, database refreshes, and operational processes.
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• Manage secrets, certificates, access controls, and cloud security controls.
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• Develop reusable infrastructure modules, deployment standards, and platform engineering patterns.
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Site Reliability Engineering \n

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• Define and implement reliability engineering practices, operational standards, and platform blueprints.
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• Establish and manage Service Level Indicators (SLIs), Service Level Objectives (SLOs), and Service Level Agreements (SLAs).
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• Improve platform reliability, scalability, resilience, and fault tolerance for mission-critical applications.
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• Drive proactive reliability improvements through automation and elimination of operational toil.
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• Conduct capacity planning, performance tuning, and resource optimization activities.
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• Support disaster recovery planning, backup validation, resilience testing, and business continuity initiatives.
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• Participate in production readiness reviews and ensure operational requirements are embedded into solution designs.
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Observability & Monitoring \n

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• Design and implement monitoring, logging, alerting, and observability frameworks.
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• Build and maintain dashboards, health checks, metrics, and operational reporting.
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• Enhance end-to-end system visibility using CloudWatch, Grafana, Splunk, ELK, OpenTelemetry, or similar technologies.
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• Drive alert tuning and noise reduction to improve operational effectiveness.
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• Establish monitoring standards across applications, infrastructure, databases, and integration components.
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Incident & Operational Management \n

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• Lead incident triage, troubleshooting, root cause analysis, and post-incident reviews.
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• Support production systems and provide timely resolution of infrastructure and application issues.
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• Drive reduction of Mean Time to Detect (MTTD) and Mean Time to Recover (MTTR).
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• Develop operational runbooks, knowledge articles, and recovery procedures.
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• Collaborate with engineering and support teams to implement preventative actions and continuous improvement initiatives.
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• Participate in on-call and major incident management activities where required.
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• Promote DevOps, SRE, and Platform Engineering best practices.
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• Collaborate with development teams to improve deployment reliability and automation maturity.
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• Integrate security, observability, and operational controls into CI/CD pipelines.
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• Support release management, change governance, and deployment strategies.
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• Champion Infrastructure as Code, automation, and self-service platform capabilities.
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Mandatory Skills AWS Cloud \n

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• AWS EC2, ECS/EKS, Lambda, VPC, IAM, S3, CloudWatch
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• RDS/Aurora
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• Route53
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• Secrets Manager
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• AWS Networking and Security Services
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DevOps & Automation \n

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• Terraform
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• Ansible
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• Bash and Python scripting
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• Infrastructure Automation
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Site Reliability Engineering \n

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• Production Support and Incident Management
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• SLI / SLO / SLA implementation and management
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• Reliability Engineering practices
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• High Availability and Fault-Tolerant Architecture Design
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• Capacity Planning and Performance Optimization
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• Disaster Recovery and Business Continuity
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• Root Cause Analysis and Problem Management
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Observability \n

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• Monitoring, Logging and Alerting
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• CloudWatch
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• Grafana
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• Splunk / ELK
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• OpenTelemetry
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• Operational Metrics and Dashboarding
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Platform & Containers \n

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• Containerisation (Docker)
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• Networking and Infrastructure Troubleshooting
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Security \n

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• Secrets Management Solutions (Vault preferred)
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• IAM and Access Controls
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• Cloud Security Best Practices
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Preferred Skills \n

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• AWS Certified Solutions Architect / DevOps Engineer Certification
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• Experience with Aurora PostgreSQL and Oracle migration programs
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• Chaos Engineering and Resilience Testing
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• Experience implementing SRE operating models
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• Service Mesh technologies
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• Financial Services, Banking, Capital Markets, or other regulated industries
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• ITIL processes including Incident, Problem, Change and Release Management
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