ITC Infotech Systems Engineer Interview: Rounds, Questions and Preparation

What the job involves

Systems Engineers in Indian IT services support, maintain, and troubleshoot client IT infrastructure such as servers, networks, and operating systems. They handle incident tickets, perform routine system administration, and ensure uptime for client environments. The role involves shift work, documentation, and coordination with senior engineers and clients.

Role and Technical Knowledge

1. 1

   What is the difference between a server and a workstation?

   Explain that servers provide centralized services like file sharing and authentication, while workstations are end-user machines. Mention typical server roles such as domain controller or web server.

2. 2

   Explain the OSI model layers and where TCP and IP fit.

   List the seven layers and note that TCP operates at the transport layer and IP at the network layer. Give a simple example of data encapsulation.

3. 3

   What is Active Directory and why is it used in enterprises?

   Describe it as a directory service for managing users, computers, and policies. Mention authentication, authorization, and Group Policy.

4. 4

   What are the common causes of a server not responding to ping?

   Cover network issues, firewall blocking ICMP, server down, or wrong IP. Suggest checking physical connections, firewall rules, and service status.

Practical Scenarios

1. 5

   A user reports they cannot access a shared drive. How would you troubleshoot?

   Start with checking network connectivity, then verify user permissions and share access. Mention checking server service status and event logs.

2. 6

   You receive a ticket for a server running out of disk space. What steps do you take?

   Identify large files or logs, clean temporary files, and consider archiving old data. Suggest monitoring tools and setting up alerts to prevent recurrence.

3. 7

   How would you handle a critical production server that is down during your shift?

   Prioritize restoring service by following incident management process, escalate if needed, and document actions. Communicate status to stakeholders.

4. 8

   What is the difference between a cold, warm, and hot site for disaster recovery?

   Explain that cold site has basic infrastructure, warm site has some equipment, and hot site is fully operational. Relate to recovery time objectives.

Behavioural and Situational

1. 9

   Tell me about a time you had to explain a technical issue to a non-technical person.

   Use STAR method: describe situation, your action to simplify, and positive outcome. Emphasize patience and clarity.

2. 10

   How do you handle working in rotational night shifts?

   Show willingness and mention strategies like maintaining sleep schedule and staying alert. Avoid complaining about shift work.

3. 11

   Describe a situation where you made a mistake in a project. What did you learn?

   Be honest about a minor mistake, focus on corrective action and lessons learned. Show accountability and improvement.

4. 12

   Why do you want to work in IT infrastructure support rather than software development?

   Express interest in hands-on troubleshooting, stability of systems, and learning about enterprise environments. Align with company's service model.

HR and Company Fit

1. 13

   Why are you interested in joining an IT services company like ours?

   Research the company's services and clients. Mention exposure to diverse technologies and structured training programs.

2. 14

   Are you willing to relocate or work at client locations?

   Be flexible and positive about opportunities. Mention adaptability and willingness to travel if required.

3. 15

   Where do you see yourself in three years?

   Show ambition to grow into senior engineer or specialist roles. Emphasize gaining certifications and deep technical expertise.

4. 16

   What are your salary expectations?

   For freshers, state that you are open to company standards. Focus on learning and growth opportunities rather than exact numbers.