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Different IT Support Levels: Detailed Explanation

19th Jan, 2024
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    Different IT Support Levels: Detailed Explanation

    Businesses take a variety of steps to advance their goods, inclusive of thought to offer an exceptional client experience. Investing in technical support - a branch of customer care that focuses on resolving consumer tech issues - is a key component of offering a great customer experience.

    In my experience in IT, it's a recurring theme that end users often reach out for help with the same set of issues like "My computer is sluggish" or "Prints aren't coming out of the printer." The purpose of Level 0 support, the entry-level in IT support, is to tackle these issues before users even approach the service desk. This involves a combination of IT self-service and self-healing.

    When I'm approached by end users seeking assistance, it's not always because they can't solve the problem themselves. More often than not, there's simply no established procedure in place to guide them.

    In our daily lives, we're used to self-service solutions. Need to reset your password? No problem—open an email, click a link, and reset it yourself. However, this convenience isn't always seamlessly integrated into the workplace, particularly in custom-built applications.

    Speaking of self-healing, while it might reduce end-user engagement, the ultimate goal remains the same: diverting common issues away from the first-level support. Self-healing, essentially an IT automation process, utilizes scripting to detect and address routine problems without requiring human interaction.

    For those aware of and looking to gain practical knowledge, enrolling in ITIL Training can be a valuable step.

    In this post, I wanted to delve into the concept of various Levels of Support or IT Support Levels and emphasize their importance based on my understanding and experience in the field.. 

    IT Support Levels

    By categorizing customer care into IT support levels, we can assign the best person for each of the support staff.  

    1. Level 0, or IT help desk entry level, contains tasks to be resolved and deflecting the requests from reaching the helpdesk.  
    2. Level 1 in IT support levels contains basic client requests that require minimum IT help.
    3. Level 2 involves more complex challenges.
    4. Level 3 employs subject matter specialists who can solve the most difficult customer demands.

    What Is the Role of Technical Support?

    A technical support service offers support to consumers of technology goods or services. Other words for technical support include IT assistance, IT support tiers, help desk, and service desk. In contrast to traditional training, technical help frequently focuses on aiding with a single individual problem or issue.

    Because technical support frequently adds to or supports a company's entire customer service concept, the team or department may be able to bridge the gap between the digital world of information technology and the practical world of client service.

    Technical assistance can be as simple as a single employee in small businesses or as complex as many departments and staff. For example, a major corporation such as BMC frequently has two sorts of teams:

    Internal IT Support

    Employees who are having technical challenges are assisted by internal IT support personnel. 

    External-facing Support

    Customers and users of most systems are assisted by an external support staff.  

    Depending on the support level or tier, technical help can be provided by voice, email, messaging, call, live chat or video call or even an informative video like on YouTube, chatbots with automated FAQs, online tutorials and how-to blogs, discussion boards, and many other tracking tools. But one should be aware of what are the different levels of it support? Which will be explained later. Among the many popular third-party technologies for help desk assistance are Salesforce, Zendesk, and BMC Helix.

    IT Support Levels Explained

    Level 0 promotes the "shift-left" strategy inside the support tiers paradigm by self-service and self-healing. IT support levels or level 1 2 3 support definition ITIL are frequently included. Organizations may reduce IT support expenses, freeing up higher-level IT workers to focus on other initiatives, enhance end-user experience, and assist end users return back to work faster by deliberately bringing issue resolution closer to the root cause. 

    Within IT companies, the words " IT support levels" and " tiers of IT support " are used interchangeably. It is advantageous to organize your IT support across levels or tiers for various reasons: 

    • Addressing consumer demands strategically 
    • Providing a satisfying client experience 
    • Resolving minor or simple issues quickly 
    • Creating a timeframe and methodology for difficult-to-solve situations 
    • Increasing employee happiness 
    • Providing better training, advancement, and retention 
    • Issues can result in feedback and product development recommendations 

    A typical IT Tier Support Levels architecture is often organized, and IT support levels are explained as per the following support layers, with minor variations: 

    Tier 0 

    • Function:  
      • Self-help and information acquired by users 
    • Support Methodology 
      • Support material, such as FAQs, extensive product and technical data, blog entries, manuals, and search tools, can typically be retrieved by users via online and mobile pages or applications. 
      • Users can also use apps to examine service directories and request and receive assistance without the intervention of real humans. 
      • To transmit queries and requests to top support levels or corporate executives, email, web forms, and socialization tools such as Twitter, LinkedIn, and others are employed. 
      • Customers can crowdsource solutions through customer forums, typically without the assistance of company personnel. 
    • Skills Required 
      • They need both marketing and technical resources to create, maintain, and update information about the products. 
      •  A development team oversees creating websites and apps. 
      •  Moderators are put in place to keep track of consumer forums. 
      • Tier 1 technical support levels workers reply to inquiries via email, sites, or social media. Must possess a good communication skill
    • Responsibilities 
      • Developers who program to assist corporate websites are in charge of Tier 0 functionality. At this level, moderators must regularly check customer forums for comments. Technical marketing must also be included at Level 0 to build and retain user information. In the lack of clear instructions and product information, users naturally seek Tier 1 tech support levels assistance. 

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    Tier 1

    • Function 
      • Basic service desk resolution and delivery 
    • Support Methodology 
      • Assists in fundamental customer concerns such as troubleshooting application difficulties and addressing service desk queries that require IT involvement. 
      • Layer 1 workers elevate issues to a higher tier if no solution could be provided by them or if the issue is out of their league. 
    • Skills Required 
      • Lower-level technical workers who have been taught to tackle recognized problems and service issues by applying scripting procedures.
    • Responsibilities 
      • Level 1 IT support job description includes the duty to be the first source of assistance for customers who approach the firm.  
      • They are in charge of resolving basic client enquiries and troubleshooting minor difficulties.  
      • In many circumstances, they will be able to fix the issue without pushing it to a superior stage that is 2nd level support.

    Tier 2

    • Function  
      • Comprehensive technical assistance
    • Support Methodology 
      • Technicians with extensive experience and understanding to examine difficulties and come up with solutions for situations that cannot be addressed or resolved by Tier 1. 
      • Tier 2 support raises the event to Tier 3 if no solution is provided.
    • Skills Required 
      • Support the employees politely who have in-depth understanding of the product, technology or service, but who are not typically the engineers or programmers that conceived and developed the technology. 
    • Responsibilities 
      • Resolve complicated issues which have been raised from Tier I and need extensive system and application knowledge. 
      • Maintain functionality of the software by evaluating current hardware and software. 
      • Experiment with new software and systems.  
      • To instruct users on how to utilize hardware and software correctly. 
      • Gather consumer requests and data. 
      • Answer customer phone calls 
      • Respond to social networking and email communications from users. 
      • Use surveys for doing basic troubleshooting to determine the amount of assistance required. 
      • Create ITIL support levels, Level 2 support tickets. 
      • Provide product details 
      • Solve frequent difficulties such as login and password issues, menu navigation, hardware and software verification, installation challenges, and setup. 

    Tier 3

    • Function 
      • Support for expert products and services 
      • Support Methodology 
      •  Access to cutting-edge technology resources for problem resolution or the creation of new features. 
      • 3rd level support technicians utilize product designs, technology, or standards to try to replicate problems and determine root causes. 
      • After determining the root cause, the organization decides whether to construct an entirely new fix based on the characteristics of the problem. New fixes are available for Tier 1 and Tier 2 employees. 
    • Skills Required 
      • Tier 3 specialists frequently represent the most highly skilled product specialists and may include the product's founders, principal architects, or engineers.
    • Responsibilities 
      • Installs, administers, tests, and fixes networks and systems with minimum supervision.  
      • Advanced technical expertise is required to plan and lead the execution of technological solutions. 
      • Provides technical leadership and assistance, as well as thorough and difficult issue resolution.

    Tier 4

    • Function 
      • External assistance for situations that the organization does not support
    • Support Methodology 
      • Contractual support for products given by the organization but not directly serviced by it, such as printer service, manufacturer software support, maintenance of machinery, depot assistance, and other outsourcing. 
      • Problems or requests are routed to tier 4 assistance and monitored for implementation by the organization. 
    • Skills Required 
      • Trusted suppliers and company associates who provide assistance and services or your company's products. 
      • Responsibilities 
      • Level 4 coordinates work in a complicated team context or work alone.  
      • The Level 4 is accountable for income and costs that are much higher than the Level 3 Employee.

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    Importance of IT Support Levels

    Businesses store sensitive information such as employee salaries, income, and HR information. As a result, data storage and management are critical for every type of organization, and it is also an excellent illustration of why IT assistance is essential. Incorporating competent IT services into data management necessitates a more thorough assessment of business requirements and a detailed examination of the company's data environment.

    An effective backup strategy for all key information and software improves a company's security against data breaches. Hiring a team of highly experienced and knowledgeable IT experts to manage and safeguard a company's precious data is inextricably linked to the development of an efficient data management strategy.

    When this occurs, confidential documents are successfully protected from hackers and other threats with the help of IT support levels.

    Smart swarming, as well as teeming support, has shown to be a viable option to traditional tiered assistance.

    Opponents of tiered assistance sometimes claim staff boredom (resolving the same problems over and again) or customer irritation, particularly when the user finds she understands more of the product than that of the help desk agent who is attempting to "help" her.

    Collaborative effort is an often-recommended solution: a help desk ticket is allocated to a single individual or group that either directly addresses the issue or guides the ticket (as well as its user) through network support. This can assist support personnel learn about distinct aspects of the business and make clients feel more cared for.

    A collaborative approach still requires identifying out there who might be right to solve which problems or which team seem to be in charge of resolving generated tickets, but others are available to help with the aid process as needed.

    Is Tiered Technical Support Necessary?

    Tiered technical support is essential for efficient issue resolution. It ensures that simple queries are addressed quickly by first-tier agents, while complex problems are escalated to higher tiers with specialized expertise. This hierarchical structure optimizes resource allocation, enhances customer satisfaction, and maintains a streamlined support process in the tech industry.


    While I advocate for tiered IT support within IT Service Management (ITSM), it's not mandatory to adopt all levels rigidly. I believe in the flexibility to adjust or blend support levels based on unique requirements and the support network in place.

    In my experience, many organizations customize the hierarchy by combining support tiers, taking into account factors like available resources, financial status, and organizational ideology. In some cases, the same specialists handle both Tier-1 and Tier-2 functional groups, while others merge Tier-2 and Tier-3 tasks within the same teams.

    My approach emphasizes automating core support functions in Tier-0 to enable end users to find solutions quickly and effortlessly without relying on human intervention or IT staff. This strategic automation not only accelerates issue resolution but also allows higher-skilled employees to focus on developing innovative solutions and tackling complex problems, ultimately reducing operating costs.

    We hope you found the preceding essay about IT support levels helpful. Join us as we Provide KnowledgeHut's ITSM certification online courses on emerging technologies and credentials. 

    Frequently Asked Questions (FAQs)

    1What is level 4 IT support?

    Tier 4 support offers the similar services as Tiers 0-3 but isn't part of an organization's standard IT support structure. Independent vendors and cloud service providers offer Tier 4 assistance, which is overseen by inside people. 

    2What is Tier 1 and tier 2 and tier 3 support?

    Level 1 contains basic client requests that requires ongoing IT help, Level 2 involves more complex challenges, and Level 3 employs subject matter specialists who can solve the most difficult customer demands. 

    3What is L0 L1 L2 L3 support?
    • Technical Support Level 0  
    • L1 Technical Support Tier 1 
    • L2 Technical Support Tier 2  
    • L3 Technical Support Tier 3 
    4What is a Level 2 IT support?

    The second level of help focuses on big concerns or obstacles that the previous level could not resolve. This level frequently employs people with substantial corporate experience as well as extensive technical support and troubleshooting training. 

    5What is a level 3 tech?

    Tech levels are challenging advanced (Level 3) professional certifications recognized by businesses that are on par with A levels. They are designed for students aged 16 and up who desire to focus on a particular field or prepare for a certain vocation. 


    Manikandan Mohanakrishnan


    Manikandan Mohanakrishnan is a highly skilled corporate trainer, consultant, and content developer with expertise in a wide range of areas including ITIL 4, PRINCE2, Agile/Scrum, PMP, DevOps, and soft skills. With a passion for delivering exceptional training experiences, Manikandan offers a comprehensive suite of training services covering service management, project management, business simulations, and more. With over 20+ years of experience, he has successfully facilitated numerous programs, including business communications, emotional intelligence, team building, and organizational change management. Manikandan's dedication to empowering individuals and organizations shines through his motivational talks and impactful training sessions.

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