GlobalLogic India Systems Engineer Interview: Rounds, Questions and Preparation

What the job involves

Systems Engineers in Indian IT services support and maintain IT infrastructure, servers, networks, and enterprise applications for client projects. They handle system administration, troubleshooting, performance monitoring, and coordinate with development and operations teams to ensure high availability. The role often involves working in shifts and following ITIL processes for incident, change, and problem management.

Role and Technical Knowledge

1. 1

   What is the difference between a process and a thread in an operating system?

   Explain that a process is an independent program with its own memory space, while a thread is a lightweight unit within a process sharing memory. Mention context switching and resource overhead.

2. 2

   Explain the OSI model layers and how they relate to troubleshooting network issues.

   List the seven layers and give a brief function for each. Then describe how you would use the model to isolate a problem, such as checking physical layer first, then IP, then application.

3. 3

   What is Active Directory and what are common tasks a systems engineer performs in it?

   Define AD as a directory service for Windows domains. Mention user creation, password resets, group policy, and organizational units. Highlight access management and security.

4. 4

   How does DNS resolution work and what tools would you use to troubleshoot DNS issues?

   Describe the query process from local cache to recursive resolver to root and authoritative servers. Mention nslookup, dig, and ipconfig /flushdns as tools.

Practical Scenarios

1. 5

   A critical server is showing high CPU usage. How would you investigate and resolve it?

   Outline steps: use top or Task Manager to identify processes, check logs, review recent changes, and consider resource limits. Suggest short-term fixes like killing processes and long-term solutions like capacity planning.

2. 6

   Users report they cannot access a shared drive. What steps do you take to diagnose the issue?

   Start by checking network connectivity, then verify permissions and server status. Use tools like ping, net use, and event viewer. Communicate with users and document the resolution.

3. 7

   You need to apply a critical security patch to 50 servers. How do you plan and execute this with minimal downtime?

   Describe a phased approach: test on a few servers, use change management, schedule during maintenance window, and have rollback plan. Mention automation tools like Ansible or SCCM.

4. 8

   A backup job failed overnight. What is your immediate response and how do you prevent recurrence?

   Check backup logs for errors, verify storage and network, and rerun the job if possible. For prevention, suggest monitoring alerts, regular testing, and updating backup software.

Behavioural and Situational

1. 9

   Describe a time you had to explain a technical issue to a non-technical person.

   Use STAR method: situation, task, action, result. Emphasize clarity, avoiding jargon, and confirming understanding. Show patience and empathy.

2. 10

   How would you handle a situation where a client is angry about a recurring system outage?

   Show active listening, apologize sincerely, and focus on resolution. Explain steps you will take to investigate and prevent future occurrences. Keep the client informed.

3. 11

   Tell me about a time you worked under pressure or in a team to meet a deadline.

   Highlight teamwork, prioritization, and communication. Describe your specific role and the outcome. Mention lessons learned about time management.

4. 12

   Give an example of a mistake you made and how you fixed it.

   Choose a real but not catastrophic mistake. Show accountability, quick corrective action, and what you changed to avoid repeating it. Emphasize learning.

HR and Company Fit

1. 13

   Why do you want to work as a Systems Engineer in IT services rather than a product company?

   Focus on variety of client environments, exposure to different technologies, and structured learning. Mention interest in support and infrastructure management.

2. 14

   Are you comfortable working in rotational shifts, including night shifts, and being on call?

   Answer honestly and positively. Explain your willingness to adapt and how you manage work-life balance. Mention any prior experience with irregular schedules.

3. 15

   Where do you see yourself in three years within this role?

   Show ambition to grow technically, such as becoming a senior engineer or specializing in cloud or security. Align with company's career path and mention certifications.

4. 16

   How do you keep your technical skills updated?

   Mention online courses, blogs, labs, and communities. Give a recent example of something you learned, like a new tool or scripting language.