Crack the ISO 20000 Lead Auditor Interview with these commonly asked Questions

ISO 20000 Standard is ideal for any business that intends to prove the quality of the services it offers. Possessing ISO 20000 Lead Auditor Certificate verifies a person's ability to conduct an audit of a IT Service Management System (SMS) using methodologies, processes, and concepts that are generally accepted in the auditing industry. Certified ISO 20000 Lead Auditor has the knowledge and abilities to organize and carry out internal and external audits in accordance with ISO 20000 requirements.

Employers probe candidates on a range of topics during ISO 20000 Lead Auditor interviews to assess their familiarity with audit procedures, their capacity to manage an audit program, audit team, customer relations, and conflict resolution. Therefore, prospective applicants should be geared for the ISO 20000 Lead Auditor interview to demonstrate employers their potential. Here is a list of some interview questions and answers for an ISO 20000 Lead Auditor to help you get ready and master the interview.


ISO 20000 is the internationally recognized Standard for Service Management Systems. This Standard enables organizations to establish a risk-based thinking framework to efficiently manage the service lifecycle. The aim of the ISO 20000 Certification Audit is to confirm that the organization's IT SMS complies with the standards of the ISO 20000 standard.

ISO 20000 Lead Auditor required audit checklist for the ISO Certification audit. The ISO audit checklist is a document that lists the precise areas that must be examined to confirm compliance with the ISO 20000 standard. Checklists may be used by internal or external auditors, includes both operational and technical components of an organization's IT service management system.

Employers ask this question to assess ISO 20000 Lead Auditor professionals’ knowledge in the audit program. The amount of time required for ISO 20000 will differ based on a variety of factors, including the organization's size and type. Additionally, businesses that have already received certification against other management standards unquestionably have a distinct edge. However, a business may often need to spend one or two years making preparations for the certification audit.

ISO 20000 Lead Auditor is in charge of developing an internal audit plan or program, which is often done once a year. He or she examines the audit's findings and subsequent actions. In addition, professionals analyze the audit findings and creates a report for the management review meeting that includes the audit report, a list of nonconformities, and actions that need to be taken.

Top management should be involved in approving internal audit-related documents and should view the internal audit as a tool for future improvement rather than as a method for identifying faults. They should also actively participate in results analysis by reading the internal audit report and ensuring that corrective actions are implemented. This will also help employers within the organization understand audits which help to improve the company's IT Service Management.

The agreement between a service provider and the end user is referred to as a service level agreement or SLA. There are three types of service-level agreements:
  • Customer Service Level Agreement is between the organization and the external customer.
  • Internal Service Level Agreement exists between an organization and an internal customer (department or another organization).
  • Vendor Service Level Agreement is between the organization and the vendor.

The primary distinction between proactive and reactive problem management is that proactive problem management identifies potential issues and errors in the IT infrastructure in order to prevent incidents from happening, whereas reactive problem management identifies and corrects the incident's underlying causes.

This question demonstrates professionals’ ability to communicate with clients and how they can assist them in understanding the technical parts of their projects. Candidates can cite examples from prior situations in which they had to communicate complex concepts to non-technical persons. Candidates could respond that they believe the greatest methods to teach technical ideas to non-technical people is through analogies or metaphors.

The seven steps involved in continuous service improvement are:
  • Identify the approach for improvement.
  • Know what to measure
  • Collect the necessary data
  • Data processing
  • Analyze the data and information.
  • Proper use of information
  • Implement corrective or remedial activities

The continual improvement model outlines a sequence of actions for implementing changes into practice. This approach is well recognized for employing strategies such as a SWOT analysis. The continual improvement model offers a high-level plan to assist actions for change and increases the likelihood that the ITSM endeavor will be successful. It places a larger emphasis on providing value to customers and ensuring that improvements align with the organization's goal.

ISO 20000 Lead Auditor develops the processes for risk management, establishes the scope of service management, develops the methods for improving, managing, and auditing service quality, determines the necessary processes, determines resources and timescale, defines the roles and responsibilities, and defines the objectives of service management during plan phase of PDCA cycle.

Every organization’s management needs to follow the below steps to get ISO 20000 certified:
  • Create Awareness
  • Determine the scope of ISO 20000 certification
  • Conduct an initial ISO 20000 assessment
  • Set up the ISO 20000 project
  • Prepare for the ISO 20000 certification audit
  • Retain the ISO 20000 certification audit

The organization should prepare the following documents to be compliant with ISO 20000: scope of SMS, service management plan, service continuity plan, processes of the organization’s service management system, service requirements, contract with the external supplier, release acceptance criteria, the procedure for managing and categorizing a major incident, the procedure for restoring working conditions after service disruption, capacity requirements, and information security policy.

Obtaining ISO 20000 Certification improves the organization’s standard of service. It enables management to satisfy an increasing number of clients. The stakeholders are given a sense of confidence, and the clients are given the assurance that their requirements will be fulfilled. Any business that wants to have an influence on the market must adapt its business practices to customer feedback.

This question helps employers to assess ISO 20000 Lead auditor knowledge in the audit process. An organization must renew its ISO 20000 Certification every three years after receiving it. Management must place a strong emphasis on ongoing service and process improvement to achieve this and follow the established standard as well.

The ISO 20000 standard encourages a process of ongoing improvement. Professionals that hold ISO 20000 certifications could adjust to changes more quickly than others within the organization. They are able to swiftly identify change areas and implement changes as a consequence. ISO 20000 standard lessens both internal and external risks. It assists in discovering and strategically improving an organization's shortcomings. Organizations that have achieved ISO 20000 have more opportunities and contracts to sign.

The service management measures layers are:
  • Progress: Managing the development of ongoing service operations
  • Compliance: mostly refers to adherence to industry trends and market norms
  • Effectiveness: This step maintains the services' efficiency
  • Efficiency: aids in streamlining processes and maintaining services

Typical pitfalls in an ISO 20000 project are no management support, too little involvement of staff, insufficient resources for the ISO 20000 project, and no external support. ISO 20000 Lead Auditor professionals should further explain two or three pitfalls to showcase their knowledge of the ISO 20000 standard.

Post-Implementation Review (PIR) is conducted after completing a project. It is performed to assess if project objectives were achieved, assess how well the project was managed, identify lessons for the future, and guarantee that the organization benefits as much as possible from the project. It is often carried out to ascertain whether the change and its execution were successful once the change request is put into action.

ISO 20000 Certification Audit is divided into two stages: Stage 1 audit and stage 2 audit. During the stage 1 audit, ISO 20000 Lead Auditor will determine the organization's readiness for ISO 20000 certification. It will provide them with a list of identified non-conformities. Certified Lead Auditors use the stage 1 audit report to make any necessary corrections to be ready for the final stage 2 audit. The stage 2 audit aims to assess compliance with the ISO 20000 requirements. Organizations will receive ISO 20000 Certification if they successfully pass the stage 2 audit.