HCLTech System Engineer Interview Questions, Process, and Tips

The recent challenges faced in the field of System Engineering include adapting to remote work, cybersecurity threats, and managing complex systems.

• Adapting to remote work due to the COVID-19 pandemic

• Increased cybersecurity threats and the need for enhanced security measures

• Managing complex systems with evolving technology and integration challenges

Troubleshooting DB errors involves identifying the root cause, checking logs, verifying configurations, and testing queries.

• Identify the specific error message or behavior

• Check database logs for any relevant information

• Verify database configurations and settings

• Test the problematic queries to isolate the issue

• Consider recent changes or updates that may have caused the error

To troubleshoot performance related errors, analyze system logs, check resource utilization, identify bottlenecks, and optimize configurations.

• Analyze system logs for any error messages or warnings related to performance issues

• Check resource utilization such as CPU, memory, disk, and network usage

• Identify bottlenecks in the system that may be causing performance degradation

• Optimize configurations such as adjusting sett...read more

P1 tickets are high priority issues that require immediate attention and resolution.

• Acknowledge the ticket immediately to show the user that their issue is being addressed

• Assess the severity of the issue and prioritize accordingly

• Communicate with the user regularly to provide updates on the progress

• Involve necessary stakeholders or teams to expedite resolution

• Ensure proper documentation of the issue and resolution step

Mainframe is a large, powerful, and centralized computer system used for critical applications in industries like banking and healthcare.

• Mainframes are known for their reliability, security, and high processing power.

• They are often used by large organizations for tasks like processing transactions, managing databases, and running complex applications.

• Examples of mainframe systems include IBM zSeries and Unisys ClearPat

JCL (Job Control Language) is a scripting language used on IBM mainframe operating systems to instruct the system on how to run batch jobs. GDG (Generation Data Group) is a dataset organization method used in mainframe systems to manage multiple versions of the same dataset.

• JCL is used to define and control the sequence of job steps for batch processing on mainframe systems.

• GDG is a dataset organization method that all...read more