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Kyndryl

Managed IT infrastructure and cloud services

Mid-Level Windows Administrator

System AdministrationConfirmed live in the last 24 hours
Full-timeHoofddorp, Netherlands

About the Job

Requirements

  • Hbo-level work and thinking capability, preferably with a completed ICT-related education.
  • Relevant work experience in Windows or infrastructure administration, including technical knowledge of datacenter and infrastructure environments.
  • Demonstrable knowledge of and experience with Windows Server environments, including Active Directory and Group Policy.
  • Experience managing virtual infrastructure such as Nutanix, VMware, or Hyper-V, and Windows Server lifecycle management including images, versions, upgrades, and migrations.
  • Knowledge of and experience with PowerShell; Ansible or comparable tooling is preferred, along with motivation to automate and standardize administrative work.
  • Knowledge of ITIL 4 for incident, change, and problem management.
  • Fluency in Dutch, Dutch nationality, and a Dutch passport; willingness to undergo MIVD security screening (VGB), with Kyndryl providing guidance.

Responsibilities

  • Manage, maintain, and optimize Windows systems and platforms.
  • Manage configuration, hardening, security, logging, monitoring, and access control.
  • Monitor availability, performance, capacity, and security; analyze trends and propose improvements.
  • Plan, test, and implement security and regular updates as part of patch management.
  • Perform operating-system version upgrades and migrations to keep systems supported, secure, and compliant.
  • Carry out lifecycle management by upgrading, migrating, or decommissioning systems in a timely manner.
  • Analyze and resolve incidents, outages, and technical problems, ensuring lasting solutions.
  • Support users and colleagues with incidents and security vulnerabilities.
  • Implement technical changes and guide change processes according to operational and security guidelines.
  • Automate administrative work using Microsoft and automation tools.
  • Contribute to projects such as automated virtual-machine deployment, role-based access control, and Infrastructure as Code.
  • Contribute to Windows platform architecture and development, and advise infrastructure teams on complex issues.
  • Help standardize and professionalize Windows administration for scalable, manageable infrastructure.

Desired Qualifications

  • A relevant Microsoft certification, such as Microsoft Certified: Windows Server Hybrid Administrator Associate, or equivalent knowledge.
  • Some knowledge of and experience with Linux environments.
  • Infrastructure as Code and/or Configuration Management, and automation of administrative processes using PowerShell, Ansible, or comparable tooling.
  • Security and hardening principles in Windows and infrastructure environments.
  • Infrastructure monitoring, logging, and performance analysis, including in cloud and hybrid environments.

About the Company

Kyndryl

Managed IT infrastructure and cloud services

Kyndryl provides managed IT infrastructure services for large enterprises, helping them run and modernize their technology environments. Its offerings cover cloud adoption, cybersecurity, security operations, and digital workplace services, all delivered under long-term managed-service contracts. The company works by partnering with major technology providers (including Microsoft) to offer integrated, end-to-end solutions, often complemented by a new security operations center (SOC) and other security capabilities. This focus sets it apart from competitors through scale, enterprise-grade governance, and a history rooted in IBM’s infrastructure services, now independent but aligned with large technology partners. The goal is to support digital transformation by providing reliable, scalable, and secure infrastructure management that enables enterprises to operate efficiently and securely in a cloud-enabled world.

Company size
10,001+
Company stage
IPO
Headquarters
New York City, New York
Founded
2021

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