Technical Trainer - Linux, Shell Scripting & Oracle PL/SQL

About the role

Imperial College of Information Technology and Business (ICITB) is looking for an experienced technical trainer to deliver a practical, industry-focused programme covering Linux operations, Shell Scripting, Oracle PL/SQL and batch processing. The trainer will bridge technical knowledge and real-world operational challenges through hands-on demonstrations, practical labs and troubleshooting scenarios.

Key responsibilities

• Deliver hands-on sessions on Linux system operations, including RHEL 9, file permissions, process management, system monitoring, systemd and secure access.
• Cover shell scripting and automation: Bash, error handling, logging, file validation, cron and systemd timers, and automated batch workflows.
• Teach log monitoring and troubleshooting with grep, sed and awk, and error identification and exception reporting.
• Train on Oracle PL/SQL: packages, procedures, functions, cursors, bulk processing, exception handling and transaction management.
• Cover batch processing and reconciliation: end-of-day processing, data validation, rejection handling, audit trails and restartable batch design.
• Teach Oracle database performance and troubleshooting: execution plans, indexing, SQL tuning, lock contention and Oracle 19c dynamic performance views.
• Develop or facilitate practical exercises based on real-world scenarios such as diagnosing batch failures, analysing application logs, automating tasks and resolving reconciliation discrepancies.

Required profile

• Strong hands-on experience in Linux administration, Shell Scripting and Oracle PL/SQL.
• Practical experience with Oracle Database 19c and batch-processing environments.
• Ability to explain complex technical concepts clearly and deliver engaging, hands-on sessions.
• Experience in banking, financial services or other transaction-intensive environments is an advantage.

To apply, send an updated CV and a brief introduction highlighting your technical and training experience by email, quoting the subject line Freelance Technical Trainer - Linux, Shell Scripting & PL/SQL.