PaySysLabs · L2 Technical Support Engineer

L2 Training Journal

Complete training documentation for the L2 Support Engineer onboarding program. All learning materials, lab exercises, and technical references — organised by week and day.

Weeks: 7
Topics: 28
Engineer: Urwah Shafiq Siddiqui
Lead: Aalishan Ali (402)
Week 1 Foundations — SaaS, Products, Jira, Monitoring
Week 2 Linux, SQL, DB Tables, S1 Handling
Week 3 Bash Scripting & Automation
Week 4 Payment Products — RAAST, CMS, ACS, IBFT, POS
Week 5 Automation, Alerts & AI
Week 6 Incident Drills & RCA
Week 6.5 Monitoring & Observability
Extras Additional Resources
Reference
Troubleshooting Scenarios
Collection of real-world troubleshooting scenarios and guided RCA exercises
Reference: Troubleshooting Scenarios
Reference
Monitoring Concepts
Advanced monitoring concepts, metrics, traces, logs, and observability patterns
Reference: Monitoring Concepts
Reference
L2-Bash Scripting
Mobile-first Bash scripting reference and examples for L2 tasks
Reference: L2-Bash Scripting