Isabella Abuor
Site Reliability Engineer | DevSecOps | Cloud Infrastructure and Automation
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About
Service Reliability Engineer with hands-on experience building, automating, and operating cloud and on-premise infrastructure, vulnerability management, and incident response. Proven ability to maintain high-availability production systems (99.9% SLA) while applying security-first and reliability by design principles through every stage of the delivery lifecycle. Proficient in container platform operations and IaC-driven deployments.
Pursuing CKAD certification while seeking to apply combined DevSecOps and SRE expertise in roles spanning SRE, DevSecOps Engineering or Cloud Engineering.
Experience
Service Reliability Engineer - Safaricom PLC
(2024-10)
- Monitor applications, infrastructure, and system logs to identify anomalies, performance issues, and potential security events across distributed production systems.
- Maintain 99.9% SLA availability through incident detection, root cause analysis, and rapid remediation.
- Participate in the full product lifecycle from testing and validation to deployment and production support applying secure-by-design principles.
- Build internal tooling to enhance monitoring, diagnostics, and operational efficiency, leveraging Python and automation frameworks.
- Contribute to container platform operations for scalable, resilient service deployments; support platform upgrades and reliability tuning
- Collaborate cross-functionally with development and infrastructure teams to ensure reliable, secure service rollouts.
- Contribute to business continuity and disaster recovery readiness initiatives.
Cloud Security Associate (Apprenticeship) - Cyber Shujaa
(2024-05 - 2024-12)
- Monitored and triaged security alerts using Azure Sentinel SIEM, supporting real-time threat detection and incident response workflows.
- Managed IAM policies (RBAC, MFA, identity governance) and aligned practices with compliance and audit standards.
- Automated infrastructure deployments using Terraform and Azure DevOps, improving consistency and reducing manual risk.
- Developed and enforced DLP policies; supported vulnerability scanning and cloud security reviews.
- Designed secure cloud architectures following Zero Trust and secure-by-design principles.
- Applied MITRE ATT&CK framework to map threat scenarios and inform detection strategies.
Software Engineer - Ecoscience & Engineering Consulting Ltd
(2023-02 - 2024-12)
- Developed and maintained diagnostics and logging features to support production troubleshooting.
- Fixed bugs and implemented features to improve system reliability and performance.
- Collaborated across engineering, QA, and product teams throughout the full development lifecycle.
Software Developer Intern - Presta Capital Limited
(2022-07 - 2022-10)
- Supported development and troubleshooting of a cloud-based microfinance platform.
- Participated in automated testing and CI/CD pipeline development to ensure reliable deployments.
- Updated software documentation in line with current features and best practice standards.
Education
BSc - Computer Science - University of Nairobi (2023-09)
