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​Mastering IT Support and Infrastructure Job Interviews

Mastering IT Support and Infrastructure Job Interviews: Expert Advice and Tips

Job interviews can be nerve-wracking, especially in the fast-paced and ever-evolving world of Tech. However, with proper preparation and a confident mindset, you can excel and stand out from the competition. In this blog post, we'll provide you with valuable advice and tips to help you navigate IT job interviews with ease and land your dream job in the industry.

  • Research the Company:

    Before stepping into an interview, it's essential to conduct thorough research on the company you're applying to. Gain a deep understanding of their products, services, company culture, mission, and values. This knowledge will allow you to tailor your answers and demonstrate your genuine interest in the organisation.

  • Review the Job Description:

    Carefully review the job description to identify the specific skills, qualifications, and responsibilities required for the role. Prepare concrete examples from your past experiences that showcase your expertise and align with the job requirements. Being well-prepared will give you a competitive edge during the interview.

  • Be Prepared for Technical Questions:

    In IT job interviews, it's common to face technical questions related to your field of expertise. Brush up on key concepts, technologies, and tools relevant to the role you're applying for. Practice explaining complex ideas in simple terms to ensure effective communication with the interviewer.

Typical questions that may be asked in an IT Support and Infrastructure interview...

I will now include some examples of questions that could be asked in these interviews:

How many tickets do you handle on a daily basis?

This question aims to gauge the candidate's workload management and ability to handle a high volume of tickets. Look for candidates who can demonstrate efficiency and prioritisation in their ticket-handling process.

Can you describe your troubleshooting and escalation process?

This question assesses the candidate's problem-solving skills and their understanding of when and how to escalate issues. Look for candidates who can explain a structured approach to troubleshooting and have a clear understanding of escalation protocols.

How familiar are you with Windows/Linux/OS operating systems?

This question evaluates the candidate's proficiency with operating systems commonly used in IT support. Look for candidates who have hands-on experience and can demonstrate knowledge of troubleshooting common issues on both Windows, Linux and OS platforms.

How many users do you support on a daily basis?

This question helps determine the candidate's experience in supporting a large user base. Look for candidates who have experience supporting a significant number of users and can handle the associated challenges, such as managing multiple simultaneous requests.

How familiar are you with Active Directory?

This question assesses the candidate's knowledge of Active Directory, a common directory service used in Windows environments. Look for candidates who can demonstrate proficiency in managing user accounts, groups, and permissions within an Active Directory environment.

Can you describe a time you've had to deal with a difficult client/customer?

This question evaluates the candidate's interpersonal skills and ability to handle challenging situations. Look for candidates who can provide an example of successfully managing a difficult client or customer, demonstrating their communication and problem-solving abilities.

How familiar are you with ITIL as a framework?

This question determines the candidate's familiarity with ITIL (Information Technology Infrastructure Library), a widely adopted framework for IT service management. Look for candidates who can explain the key principles and processes of ITIL and have experience implementing ITIL practices in their work.

What experience do you have in using virtualization?

This question assesses the candidate's knowledge and experience with virtualization technologies such as VMware or Hyper-V. Look for candidates who can demonstrate hands-on experience with virtualization, including tasks like provisioning virtual machines, managing virtual networks, and troubleshooting virtualization issues.

How many virtual machines do you manage?

This question helps determine the candidate's level of responsibility in managing virtual machines. Look for candidates who have experience managing a significant number of virtual machines and can demonstrate proficiency in tasks like resource allocation, virtual machine migration, and performance optimization.

What experience do you have in using Office 365, Azure, and related products?

This question evaluates the candidate's familiarity with cloud-based productivity suites and platforms. Look for candidates who can demonstrate hands-on experience with Office 365 applications and Azure services, including tasks like user management, data migration, and application deployment in the cloud.

Briefly describe your working knowledge of advanced configuration of switches, firewalls, and VLANs.

This question aims to assess the candidate's expertise in networking and security. Look for candidates who can explain their experience in configuring and troubleshooting switches, firewalls, and VLANs, including knowledge of VLAN tagging, access control lists, and routing protocols.

Could you briefly describe your knowledge and experience of cloud computing?

This question evaluates the candidate's understanding of cloud computing concepts, services, and deployment models. Look for candidates who can explain the benefits and challenges of cloud computing, demonstrate knowledge of popular cloud platforms (such as AWS, Azure, or Google Cloud), and describe their experience with cloud-based infrastructure provisioning and management.

What experience do you have with hardware components?

This question assesses the candidate's familiarity with hardware components commonly used in IT infrastructure. Look for candidates who can demonstrate knowledge of server hardware, storage systems, networking equipment, and other relevant components. Experience in hardware installation, configuration, and troubleshooting is valuable.

How much experience with SQL do you have?

This question determines the candidate's proficiency in working with SQL (Structured Query Language) for database management. Look for candidates who can demonstrate experience in writing SQL queries, managing databases, and performing basic database administration tasks, such as backup and recovery, data migration, and user management.


  • Make sure you Showcase Your Problem-Solving Skills:

    IT professionals often encounter intricate problems that require analytical thinking and troubleshooting abilities. During the interview, be ready to discuss your problem-solving approach, highlighting your ability to navigate challenges and find solutions. Provide concrete examples that demonstrate your analytical and critical thinking skills.

  • Emphasise Communication and Collaboration:

    Effective communication and collaboration are vital in the IT industry. Showcase your ability to convey technical information clearly to both technical and non-technical stakeholders. Share examples of successful collaborations and teamwork, illustrating how you've contributed to projects and achieved desired outcomes.

  • Demonstrate Adaptability and Willingness to Learn:

    The IT landscape is constantly evolving, with new technologies and methodologies emerging regularly. Show your enthusiasm for learning, adaptability to change, and willingness to acquire new skills. Discuss instances where you've quickly grasped new concepts or embraced emerging technologies to solve problems efficiently.

  • Prepare Questions to Ask:

    Towards the end of the interview, the interviewer will likely give you an opportunity to ask questions. Prepare thoughtful and relevant questions in advance to demonstrate your interest and engagement. Inquire about the company culture, opportunities for growth, or specific projects you'll be involved in. Asking well-considered questions will help you assess if the job aligns with your aspirations.

  • Dress Professionally:

    First impressions matter. Dress professionally for the interview, aligning with the company's dress code. Even if the organization has a more casual work environment, it's better to be slightly overdressed than underdressed. A polished appearance reflects your professionalism and respect for the interview process.

  • Practice and Rehearse:

    Practice answering common interview questions with a friend or in front of a mirror. Pay attention to your body language, tone of voice, and clarity of your responses. Rehearsing will help you gain confidence and ensure you deliver your answers effectively during the interview.

  • Be Positive and Enthusiastic:

    Maintain a positive attitude throughout the interview and showcase your enthusiasm for the role and the company. Engage actively with the interviewer, demonstrating your genuine interest and passion for the industry. Remember to smile, maintain good eye contact, and display a confident yet humble demeanour. It’s never good to bad mouth former employers or be generally negative about your previous experiences.

Mastering IT job interviews requires thorough preparation, technical competence, and effective communication skills. By researching the company, reviewing the job description, showcasing your problem-solving abilities, emphasizing collaboration, and demonstrating adaptability, you'll greatly increase your chances of success. Remember to dress professionally, practice your responses, and maintain a positive attitude throughout the interview process. By following these expert tips, you'll be well-equipped to secure your dream IT job and embark on a rewarding career in the ever-evolving world of technology.

If you would like further advice then contact me at chris@hewett-recruitment.co.uk. Thank you and good luck!​

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