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.

A management system is the set of policies that an organization uses to plan, execute, monitor, and improve its activities to achieve its objectives. It offers a structured and methodical approach to several organizational elements, including quality, environmental performance, and information security. Additionally, it aids in ensuring that all applicable regulations and standards are followed and that the company's operations are effective and efficient.

The process approach aims to increase the rapidity and precision of IT service delivery while making sure the company achieves its service management objectives. It entails organizing the IT service management operations and procedures of an organization around a set of connected and related processes.

The following are the steps involved in preparing for an ISO 20000 internal audit:
  • Familiarize yourself and your team with the ISO 20000 standard
  • Select an Audit Team
  • Define the Scope of the Audit
  • Create an Audit Plan
  • Identify Non-Conformities
  • Prepare Audit Findings and Report
  • Follow Up on Corrective Actions

The audit triangle is a simplified model for conducting ISO 20000 audits for IT service management. It serves as a guideline for auditors to structure their audit activities and ensure a comprehensive system, process, or organization assessment. The audit triangle includes:
  • Question
  • Check
  • Observe

An ISO 20000 external audit, is referred to as a certification audit or third-party audit. It is an independent assessment conducted by an accredited certification body to determine whether an organization's IT Service Management (ITSM) system complies with the ISO/IEC 20000-1:2018 standard.

ISO 20000 supplier audit help ensure compliance with ISO 20000 standards, assess quality and performance, and mitigate risks. The necessity of conducting an ISO 20000 supplier audit depends on several factors. It includes the significance of the supplier's role in your IT Service Management (ITSM) processes, the contractual obligations in place, and the risks associated with their performance

ISO 20000 auditing involves several roles as follows
  • Auditors
  • Lead Auditor
  • Auditee
  • Management Representatives
  • Audit Team

  • Confidentiality
  • Impartiality
  • Transparency
  • Independence
  • Integrity
  • Customer focus
  • Engagement of people
  • Improvement
  • Leadership
  • Evidence-Based
  • Continuous Improvement

SLA document includes the following:
  • Introduction to the SLA
  • Service description
  • Mutual responsibilities
  • Scope of SLA
  • Applicable service hours
  • Service availability
  • Reliability
  • Customer support arrangements
  • Contact points and escalation
  • Service performance
  • Security
  • Costs and charging method used

The following are different types of management systems:
  • Quality Management Systems
  • Environmental Management Systems
  • Information Security Management Systems
  • Service management systems
  • Energy management systems
  • Asset management systems
  • Occupational health and safety management systems

ISO 20000 audit team is responsible for planning and conducting the audit process. They review documentation, interview personnel, and assess ITSM processes to determine compliance with ISO 20000 requirements. Furthermore, the team identifies non-conformities, recommends corrective actions, and prepares an audit report.

ISO 20000 internal audit is an assessment conducted by an organization's ISO 20000 Lead Auditor to evaluate the compliance of its IT Service Management (ITSM) processes with the requirements of the ISO/IEC 20000-1:2018 standard. The organization's ITSM procedures and practices are assessed by an ISO 20000 Lead Auditor to ensure that they comply with the standard's criteria.

Project management skills help ISO 20000 Lead Auditors plan and organize audits efficiently, making sure that objectives and deadlines are met. They can utilize this skill to manage scope, analyze risks, and allocate resources while avoiding scope creep and staying on track.

PDCA cycle is a continuous improvement framework used to manage and enhance processes and systems. It consists of four phases:
  • Plan
  • Do
  • Check
  • Act

Communication skills are a much-needed skill for an ISO 20000 Lead Auditor. It helps interact with auditees, convey findings, and provide clear recommendations. Even if conflicts or disagreements may arise during audits. Having strong communication skills helps auditors navigate these situations diplomatically and reach mutually agreeable solutions.

Organizations cannot skip the ISO 20000 audit if they wish to obtain ISO 20000 certification. These audits evaluate ITSM processes, practices, and documentation to determine whether they conform to ISO 20000 standard requirements.

  • Context of the organization
  • Leadership
  • Planning
  • Support of the service management system
  • Operation of the service management system
  • Performance evaluation
  • Improvement

ITSM increases customer satisfaction by tailoring IT services to the specific requirements and expectations of end users and customers. It makes sure that users have fewer IT-related difficulties and have a great and reliable user experience by offering dependable and high-quality services, limiting interruptions, and continually enhancing service delivery.

The general requirements of the Service Management System are as follows:
  • Establishing and improving the service management system
  • Resource management
  • Documentation management
  • Define scope
  • Plan SMS
  • Implement and operate SMS
  • Monitoring and reviewing the SMS
  • Maintaining and improving the SMS
  • Governing and processes operated by other parties
  • Management responsibility

The organization's top management makes sure that ISO 20000 complies with its strategic goals and objectives. They supply the resources and manpower needed to support the implementation and continuous maintenance of ISO 20000 standards. Additionally, their participation assures responsibility for maintaining high standards of IT service management and attaining ISO 20000 compliance.