Gauteng: 3336 Reliability Engineer (Expert) posted by Imizizi

• 1. Infrastructure & Cloud (35%)
• Design, build, and maintain scalable, secure, and cost-efficient cloud infrastructure on AWS
• Manage and evolve Kubernetes clusters including upgrades, capacity planning, and cluster health
• Build and maintain infrastructure-as-code modules for repeatable, auditable deployments
• Drive cloud cost optimization – identify waste, right-size resources, implement savings plans
• Ensure infrastructure meets non-functional requirements: performance, scalability, availability, Disaster
• Recovery
• 2. CI/CD & Automation (25%)
• Build, operate, and continuously improve CI/CD pipelines for fast, safe, and reliable delivery
• Automate repetitive operational tasks and reduce toil through tooling and runbooks
• Maintain and improve deployment automation – zero-touch deployments are the goal
• Drive adoption of best practices across development teams
• Own deployment runbooks and ensure they are up to date and tested
• 3. Security Implementation (20%)
• Implement and maintain security scanning in CI/CD pipelines (SAST, DAST, container image scanning)
• Harden container and cloud infrastructure security (network policies, IAM, secrets, encryption)
• Translate security audit findings into concrete technical actions and execute them
• Drive vulnerability remediation – track, prioritize, and fix security issues with urgency
• Ensure compliance with our IT security standards and policies
• 4. Monitoring, Reliability & Incident Response (15%)
• Implement and own monitoring, logging, and alerting for proactive issue detection
• Build dashboards that give real-time visibility into system health and performance
• Lead incident response for infrastructure-related issues – diagnose fast, fix fast
• Conduct post-incident reviews and drive corrective actions to prevent recurrence
• Continuously improve system reliability, uptime, and mean time to recovery (MTTR)
• 5. Technical Optimization & Lifecycle Management (5%)
• Drive Technical Lifecycle Management (TLM) – plan and execute upgrades and migrations
• Identify and implement technical optimizations across the stack
• Contribute to technical strategy and roadmap for platform engineering
• Actively use and promote AI4DevOps tools and practices where they add real value
• WHAT DOES SUCCESS LOOK LIKE?
• Infrastructure – Reliable, scalable, cost-optimized – no surprises
• CI/CD – Fast, safe pipelines – developers ship with confidence
• Security – Vulnerabilities found early, fixed fast – no excuses
• Incidents – Quick response, thorough root cause, things get better over time
• Automation – If you did it twice manually, the third time it’s automated
• Delivery – You ship improvements continuously – not just plans, but results
• We don’t need someone who writes documents about how things should be done. We need someone who rolls up their sleeves and makes things better – every single day.

QUALIFICATIONS/EXPERIENCE:

• Degree in Computer Science, Information Technology or equivalent practical experience
• 10 to 15 years+ hands-on experience in DevOps / Infrastructure engineering / SRE, incl. cloud operations
• Relevant certifications advantageous (AWS Solutions Architect, AWS DevOps Engineer, CKA/CKAD, Terraform Associate)

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