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Ruan User

@ruanuser

Escalations Engineer at VAS-X who resolved critical infrastructure incidents and improved reliability through monitoring and proactive alerting.

South Africa

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At VAS-X, I was the L3 escalation point for critical incidents across infrastructure hosted on Amazon and third-party MSPs. I took ownership of outages, led disaster recovery and rollback processes, and implemented monitoring and proactive alerting to improve reliability.

At Praesignis, I developed multi-tenant web applications with ASP.NET MVC and Bootstrap, including role-based authentication and admin dashboards. I also developed a Moodle e-learning platform and authored an Introduction to Data Warehousing course.

Experience

Work history, roles, and key accomplishments

Escalations Engineer (L3 – Advanced Support | MSP Environment)

VAS-X

Jul 2019 - Aug 2025 (6 years 1 month)

Acted as the final escalation point (L3) for mission-critical incidents across infrastructure hosted on Amazon and third-party MSPs. Took ownership of major outages and production failures, driving end-to-end resolution under pressure.

C#SQL Python BASH Linux Docker Kubernetes Incident Management Disaster Recovery Performance Optimization Technical Documentation Client Relations

Full-Stack Developer

Praesignis

Apr 2018 - May 2019 (1 year 1 month)

Developed and maintained multi-tenant web applications using ASP.NET MVC and Bootstrap. Designed databases based on data warehousing principles and implemented role-based authentication, employee tracking, and admin dashboards.

ASP.NET MVC Bootstrap Data Warehouse Azure DevOps Git Razor View Engine SQL Server Performance Optimization

Training & Development Assistant

Praesignis

Mar 2016 - Apr 2018 (2 years 1 month)

Facilitated training on Business Intelligence and SQL fundamentals. Developed an e-learning platform using Moodle CMS to expand revenue channels and designed UX, course layouts, and implemented PayFast integration for online payments.

Business Intelligence SQL Moodle UX Design PayFast E Learning