Senior DevOps & Site Reliability Engineer

DeARX; Sandton; On-site; ZAR 1,000,000 - 1,400,000; Full time

Job summary

DeARX in South Africa seeks a Senior DevOps & Site Reliability Engineer to lead the design, implementation and continuous improvement of highly available platforms supporting mission-critical applications.

This role spans cloud, DevOps, platform engineering, automation, observability and SRE, enabling engineering teams to deliver software faster, safer and more reliably. The ideal candidate has extensive hands-on DevOps and SRE experience in enterprise environments.

Qualifications

• 8+ years of experience across software engineering, infrastructure, cloud, DevOps or platform engineering.
• 5+ years of hands-on DevOps engineering experience.
• 3+ years in SRE or production operations environments.

Responsibilities

• Build and maintain cloud-native platforms and infrastructure.
• Develop IaC and automation using Terraform, Bicep, ARM and Ansible.
• Automate provisioning, deployments and operational processes.
• Design and maintain CI/CD pipelines.
• Automate testing, security, deployments and rollbacks.
• Improve release speed, quality and reliability.
• Implement SRE practices, SLIs, SLOs and SLAs.
• Improve system availability, resilience, performance and scalability.
• Lead incident response, root-cause analysis and reliability improvements.
• Manage and optimise enterprise cloud environments.
• Ensure high availability, security, scalability and cost efficiency.
• Support disaster recovery and hybrid/multi-cloud environments.
• Implement monitoring, logging, metrics, tracing and alerting.
• Build dashboards and improve MTTD and MTTR.
• Drive proactive issue detection.
• Embed DevSecOps and security controls into delivery pipelines.
• Support vulnerability management and regulatory compliance.
• Strengthen overall platform security.
• Provide technical leadership across DevOps, cloud and platform teams.
• Mentor engineers and promote engineering best practices.
• Contribute to architecture, technology roadmaps and continuous improvement.

Skills

Cloud & Platform Eng

SRE

DevOps

CI/CD

Observability

Tools

Azure

AKS

Azure DevOps

GitHub Enterprise

Jenkins

Prometheus

Grafana

Terraform

Ansible

Docker

Kubernetes

Job description

We are looking for a Senior DevOps & Site Reliability Engineer to take a leading role in designing, implementing and continuously improving highly available technology platforms supporting mission-critical business applications.

This is an opportunity to work across cloud, DevOps, platform engineering, automation, observability and SRE, while helping engineering teams deliver software faster, safer and more reliably.

What You'll Be Doing

Platform Engineering & Automation

• Build and maintain cloud-native platforms and infrastructure.
• Develop IaC and automation using Terraform, Bicep, ARM and Ansible.
• Automate provisioning, deployments and operational processes.

DevOps & CI/CD

• Design and maintain CI/CD pipelines.
• Automate testing, security, deployments and rollbacks.
• Improve release speed, quality and reliability.

Site Reliability Engineering

• Implement SRE practices, SLIs, SLOs and SLAs.
• Improve system availability, resilience, performance and scalability.
• Lead incident response, root-cause analysis and reliability improvements.

Cloud Operations

• Manage and optimise enterprise cloud environments.
• Ensure high availability, security, scalability and cost efficiency.
• Support disaster recovery and hybrid/multi-cloud environments.

Monitoring & Observability

• Implement monitoring, logging, metrics, tracing and alerting.
• Build dashboards and improve MTTD and MTTR.
• Drive proactive issue detection.

Security & Compliance

• Embed DevSecOps and security controls into delivery pipelines.
• Support vulnerability management and regulatory compliance.
• Strengthen overall platform security.

Technical Leadership

• Provide technical leadership across DevOps, cloud and platform teams.
• Mentor engineers and promote engineering best practices.
• Contribute to architecture, technology roadmaps and continuous improvement.

Experience

• 8+ years of experience across software engineering, infrastructure, cloud, DevOps or platform engineering.
• 5+ years of hands-on DevOps engineering experience.
• 3+ years of experience in SRE or production operations environments.
• Proven experience supporting mission-critical production systems.
• Experience operating and supporting large-scale enterprise platforms.

Technical Skills

• Cloud: Azure, AKS, Azure App Services, Networking, Monitor, Storage & Identity; AWS/GCP advantageous.
• DevOps: Azure DevOps, GitHub Enterprise, Git, Jenkins, SonarQube, Artifactory/Nexus.
• IaC & Automation: Terraform, Bicep, ARM Templates, Ansible.
• Containers: Docker, Kubernetes, Helm; OpenShift advantageous.
• Observability: Dynatrace, Grafana, Prometheus, Elastic, Splunk, Azure Monitor, OpenTelemetry.
• Programming & Scripting: Python, PowerShell, Bash, C#, Java; Go advantageous.
• Core Expertise: Cloud & Platform Engineering, SRE, Infrastructure Automation, CI/CD, DevSecOps, Systems Integration, Performance Optimisation and Incident Management.

Advantageous Certifications

• Azure DevOps Engineer Expert / Azure Solutions Architect Expert
• Certified Kubernetes Administrator (CKA) / CKAD
• HashiCorp Terraform Associate
• AWS Certified DevOps Engineer
• ITIL Foundation / SRE Foundation

If you're passionate about DevOps, cloud, automation and reliability engineering and want to make a meaningful impact in a complex enterprise technology environment, we'd love to hear from you.