AWS Site Reliability Engineer (SRE) (Prescient Centralised Services)

DUTIES & RESPONSIBILITIES

You will be responsible for building and operating resilient infrastructure, automating operational processes, and driving continuous improvements in system performance and availability. This role requires a balance of hands-on technical expertise, problem-solving skills, and a passion for delivering highly reliable services that support critical business operations.

Reliability & Uptime

• Design, implement, and maintain highly available and resilient AWS cloud infrastructure.
• Monitor system health and performance, ensuring services meet SLAs.
• Respond to and resolve production incidents, performing root cause analysis and implementing long-term fixes.

Automation &Scalability 

• Build automation for deployment, monitoring, scaling, and recovery using Infrastructure as Code (Terraform, AWS CDK, CloudFormation).
• Automate repetitive operational tasks to reduce toil and improve system reliability.
• Implement CI/CD pipelines to ensure smooth and reliable delivery of applications.

Monitoring & Observability

• Configure and manage observability solutions (CloudWatch, Grafana, etc.).
• Define and track Service Level Indicators (SLIs) and Objectives (SLOs).
• Develop proactive alerting and anomaly detection mechanisms.

Security & Compliance

• Apply AWS security best practices, including IAM governance, secrets management, encryption, and compliance monitoring.
• Work closely with InfoSec teams to ensure systems adhere to regulatory standards (e.g., PCI DSS, POPIA, GDPR, ISO27001).
• Perform regular audits of cloud resources, ensuring alignment with organizational policies.

Performance & Cost Optimization

• Continuously optimize cloud infrastructure for performance, efficiency, and cost-effectiveness.
  • Analyse usage patterns and right-size resources or recommend reserved/spot instances where appropriate.
  • Provide visibility into AWS spend and assist teams in cost governance.

Incident & Problem Management

• Drive post-incident reviews, documenting learnings and improving runbooks.
• Develop self-healing and fault-tolerant systems to minimize impact of failures.

Collaboration & Continuous Improvement

• Partner with development teams to embed reliability, scalability, and observability into applications.
  • Advocate and implement SRE best practices across the organization.
  • Mentor engineers on AWS, DevOps, and reliability engineering practices.

REQUIRED QUALIFICATIONS

• AWS Professional certifications.
• Experience running Kubernetes/EKS in production.
• Knowledge of compliance frameworks (ISO27001, SOC2, PCI-DSS, POPIA).