John Cris Aujero
Application Support/Site Reliability Engineer
Caloocan City, Metro Manila
Summary
Experienced Application Support and Site Reliability Engineer with a strong focus on system reliability, incident management, and application performance. Proven ability to adapt, collaborate across teams, and deliver results in fast-paced environments.
Overview
7
7
years of professional experience
1
1
Certificate
Work History
Site Reliability Engineer
Safeway Philtech Inc.
07.2023 - Current
- Maintain reliability and uptime of enterprise applications through cloud infrastructure and production support.
- Support containerized workloads on AKS, including deployments, resource tuning, and troubleshooting.
- Build dashboards and alerts to monitor system health and detect anomalies.
- Use observability tools to investigate issues and enable real-time monitoring.
- Lead incident response efforts, participate in on-call rotations, and conduct post-incident reviews.
- Manage SSL certificate renewals to ensure secure and uninterrupted application communications.
- Drive continuous improvement through problem management and cross-functional collaboration.
Application Support Engineer
Safeway Philtech Inc.
05.2020 - 07.2023
- Resolved escalated technical issues for a cloud-based e-commerce platform, ensuring minimal downtime.
- Managed incidents and problem records via ServiceNow, including root cause analysis and long-term fixes.
- Used KQL, Azure SQL, and MongoDB to investigate and validate application and infrastructure issues.
- Maintained SSL certificates to ensure secure system connectivity.
- Collaborated with cross-functional teams to implement and deploy fixes.
- Created support documentation to improve troubleshooting and knowledge sharing.
Application Support Engineer
Accenture
09.2018 - 01.2020
- Used MSSQL to analyze data and troubleshoot backend issues.
- Managed incidents in BMC Remedy, ensuring SLA compliance.
- Monitored logs and performance to identify system anomalies
Education
Bachelor of Science - Information Technology
University of The East
Caloocan City, Metro Manila, Philippines 04.2001 -
Skills
Azure Kubernetes Service (AKS)
Loki (logs)
Prometheus (metrics)
Incident Handling
Grafana (Dashboard and alert creation)
Site Reliability Engineering
Monitoring and Alerting
Knowledge Base Documentation
Problem Management
Service Principal Management
SSL Certificate Management
KQL
SQL
MongoDB
Certification
Microsoft Certified: Azure Fundamentals (AZ-900)
Timeline
Site Reliability Engineer
Safeway Philtech Inc.
07.2023 - Current
Microsoft Certified: Azure Fundamentals (AZ-900)
01-2023
Application Support Engineer
Safeway Philtech Inc.
05.2020 - 07.2023
Application Support Engineer
Accenture
09.2018 - 01.2020
Bachelor of Science - Information Technology
University of The East
04.2001 -