FIS Senior Systems Engineer Interview Questions and Answers

Q1. Most of the questions were from leetcode
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Q1. Previous Work experience and projects
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Q2. Questions related to platform engineering, vmware, devops and chef.
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Q1. Why do you want to leave your current company
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Q2. Are you fine with the jobs role if assigned.
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Q1. Salary expectations
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Q2. How soon can you join.
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Q1. 1.Java8 and multithreading concepts. 2.Microservices architecutre . 3.Angular lifecycle hooks.
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Q2. Microservice architecture level
Ans. 
Microservice architecture is an architectural style that structures an application as a collection of loosely coupled services.
• Microservices are small, independent, and autonomous services that communicate with each other through APIs.

• Each microservice is responsible for a specific business capability and can be developed, deployed, and scaled independently.

• Microservices promote flexibility, scalability, and fault tole...read more
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Q3. Good answer for interview of java
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Q1. Microservices architecutre
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Q2. Microservices architecutre Angular
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Q1. Commands in linux
Ans. 
Linux commands are used to interact with the operating system and perform various tasks.
• Commands are case-sensitive

• Most commands have options and arguments

• Common commands include ls, cd, pwd, mkdir, rm, cp, mv, grep, ps, top, systemctl

• Use man command_name to get more information about a specific command
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Q2. What is linux and window Os difference
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Linux is an open-source operating system, while Windows is a proprietary operating system developed by Microsoft.
• Linux is open-source and free to use, while Windows is proprietary and requires a license.

• Linux is highly customizable and can be modified by users, while Windows has limited customization options.

• Linux is known for its stability and security, while Windows is more vulnerable to viruses and malware.

• Linux use...read more
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Contains aptitude and reasoning and verbal

Have to discuss about a topic provided by them

Q1. Technical that you have learnt
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Q1. HR will call you and ask your current roles and responsibilities ?
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Q2. Job designation senior system engineer (IAM, Azure portal, SaaS Applications, API integrations, Vulnerability Management)
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Q1. Do you anything related vulnerability management?
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Q2. How do you support application for sso enablement?
Ans. 
Supporting application for SSO enablement involves configuring authentication settings, integrating with identity providers, and testing functionality.
• Configure authentication settings within the application to enable SSO

• Integrate the application with identity providers such as Okta, Azure AD, or PingFederate

• Test the SSO functionality to ensure seamless user experience

• Provide documentation and training for users on how
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Q3. Haw you handle outages and any regular task you performed?
Ans. 
I handle outages by following established procedures and prioritize tasks based on impact.
• Immediately assess the situation to determine the root cause of the outage

• Communicate with stakeholders to keep them informed of the issue and expected resolution time

• Work with cross-functional teams to troubleshoot and resolve the outage as quickly as possible

• Document the outage incident and steps taken for future reference and i...read more
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Q4. How you deal with change management?
Ans. 
I handle change management by implementing structured processes, communication, and stakeholder involvement.
• Implementing a change management process to track and document changes

• Communicating changes effectively to all stakeholders

• Involving key stakeholders in decision-making and planning

• Ensuring proper testing and validation of changes before implementation
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Q5. How do you enable sso for applications for saas?
Ans. 
Enable SSO for SaaS applications by integrating with identity providers and configuring authentication protocols.
• Integrate with identity providers such as Okta, Azure AD, or Google Workspace

• Configure authentication protocols like SAML, OAuth, or OpenID Connect

• Implement single sign-on functionality in the application code

• Ensure secure communication between the application and the identity provider
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Q6. What is RTO in disaster recovery?
Ans. 
RTO stands for Recovery Time Objective in disaster recovery, representing the targeted duration of time within which a business process must be restored after a disaster.
• RTO is a crucial metric in disaster recovery planning, indicating the maximum acceptable downtime for a system or process.

• It helps organizations determine the resources and strategies needed to recover from a disaster within a specific timeframe.

• For ex...read more
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Q7. Which application you are using to connect servers?
Ans. 
I primarily use SSH (Secure Shell) to connect servers.
• SSH (Secure Shell) is a widely used application for securely connecting to servers

• Other applications like PuTTY, OpenSSH, and WinSCP can also be used for server connections
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Q1. Hiring manager will brief about jd and ask questions based on related job and you are working
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Q2. Do you vulnerability management?
Ans. 
Yes, I am experienced in vulnerability management.
• I have experience in identifying, prioritizing, and mitigating vulnerabilities in systems and networks.

• I am proficient in using vulnerability scanning tools such as Nessus, Qualys, and OpenVAS.

• I have implemented patch management processes to address vulnerabilities in a timely manner.

• I have conducted vulnerability assessments and penetration testing to identify weakness...read more
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Q3. You worked applications were connected or disconnected one?
Ans. 
I have experience working with both connected and disconnected applications.
• I have experience developing applications that can function both online and offline.

• I have worked on projects where data synchronization is crucial for seamless user experience.

• Examples include mobile apps that can work offline and sync data when connected to the internet.
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Q4. Have you taken care of Authorization part?
Ans. 
Yes, I have experience in taking care of the Authorization part in various projects.
• Implemented role-based access control (RBAC) to manage user permissions

• Configured and managed authentication protocols such as OAuth and SAML

• Worked on setting up access control lists (ACLs) for network security

• Experience with managing user roles and permissions in Active Directory

• Utilized single sign-on (SSO) solutions for seamless user
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Q1. Write a way to handle a situation in SQL without putting join condition
Ans. 
Use subqueries to handle a situation in SQL without putting join condition
• Use subqueries to retrieve data from another table without explicitly joining them

• Subqueries can be used in SELECT, WHERE, or FROM clauses

• Example: SELECT * FROM table1 WHERE column1 IN (SELECT column2 FROM table2)
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Q1. Situational question on handling certain Product Management issues
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Q1. Explain various components of the previous salary
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