Windows & VMware Operations Engineer (L3)

Experian is a global data and technology company, powering opportunities for people and businesses around the world. We help to redefine lending practices, uncover and prevent fraud, simplify healthcare, create marketing solutions, and gain deeper insights into the automotive market, all using our unique combination of data, analytics and software. We also assist millions of people to accomplish their financial goals and help them save time and money.

We operate across a range of markets, from financial services to healthcare, automotive, agribusiness, insurance, and many more industry segments.

We invest in people and new advanced technologies to unlock the power of data. As a FTSE 100 Index company listed on the London Stock Exchange (EXPN), we have a team of 22,500 people across 32 countries. Our corporate headquarters are in Dublin, Ireland. Learn more at experianplc.com.

We are seeking a Windows L3 Infrastructure Engineer to join our Infrastructure Operations team. In this role, you will be responsible for the operational delivery, administration, and lifecycle management of Windows-based infrastructure platforms, with additional responsibilities across VMware/vSphere environments. You will ensure secure, reliable, and scalable compute services across on‑premises and cloud environments. Experience with enterprise patching and endpoint tools (e.g., Tanium, BladeLogic, SCCM).You will report to the respective People Manager.

You will:

• Perform L3 administration of Windows Server environments (2016/2019/2022), including installation, configuration, and lifecycle management
• Own and execute OS patching, reboot coordination, and patch remediation activities in line with enterprise compliance standards
• Build, configure, and maintain Windows servers according to global standards and security baselines
• Administer and support Active Directory services, including user, group, and computer management, Group Policy creation and troubleshooting, and AD health monitoring
• Manage and troubleshoot core Windows services such as DNS, DHCP, and related infrastructure components
• Perform software installations, upgrades, and configuration management across Windows platforms
• Experience with enterprise patching and endpoint tools (e.g., Tanium, BladeLogic, SCCM)
• Administer VMware/vSphere platforms, including:• Virtual machine provisioning and decommissioning
• Snapshot creation and management
• Datastore and resource utilization monitoring
• VM‑level performance and availability troubleshooting

• Automate operational and administrative tasks using PowerShell to improve efficiency, reliability, and consistency
• Support and administer Windows workloads hosted on AWS and/or Azure, leveraging Infrastructure as Code (IaC) tools such as Terraform
• Monitor system performance and availability; respond to incidents and participate in major incident (P1/P2) management and on-call rotations
• Collaborate with Security, Compliance, Cloud, and Application teams to ensure adherence to enterprise standards
• Contribute to change management, capacity planning, documentation, and continuous improvement initiatives

What you will bring:

• Minimum 5+ years of experience in Windows Server administration within enterprise environments
• Strong hands-on expertise in:
• Windows Server OS administration
• Active Directory and Group Policy management
• DNS administration and troubleshooting
• OS patching and server build activities
• Working experience with VMware/vSphere administration in production environments
• Proficiency in PowerShell scripting and automation for day-to-day Windows administrative tasks
• Experience supporting Windows infrastructure in AWS and/or Azure environments, including use of Terraform or similar IaC tools
• Strong troubleshooting, analytical, and problem-solving skills
• Experience operating within ITIL-aligned infrastructure operations teams
• Fluency in English

Will be considered as an advantage if you also have:

• Microsoft, VMware, or cloud platform certifications
• Experience with enterprise patching and endpoint tools (e.g., Tanium, BladeLogic, SCCM)
• Exposure to security hardening, vulnerability remediation, and compliance frameworks
• Experience working in hybrid cloud infrastructure environments

What you will get:

• Personal Development - career pathway for professional growth supported by learning and development programs and unlimited access to online educational training courses, learning materials & book.
• Work environment - excellent work conditions with friendly environment, recognized team spirit, and fun and quality recreation time.
• Social benefit package including life insurance, food vouchers, additional health insurance, monthly flex allowance and internet coverage, corporate discounts, marriage and childbirth / adoption allowance, Multisport card, Sharesave plan, Employee assistance program, а birthday gift and many other benefits!
• Work-life balance - 25 days paid vacation, 1 additional day off for your birthday and extra 3 paid days for participation in Social responsibility event.
• Opportunity for Flexible working hours and Home Office.

Experian is an Equal opportunity employer. Everyone can succeed at Experian and bring their whole self to work, irrespective of their gender, ethnicity, religion, color, sexuality, physical ability or age. If you have a disability or special need that requires accommodation, please let us know at the earliest opportunity.

Experian Careers - Creating a better tomorrow together

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Experian Careers - Creating a better tomorrow together

Find out what its like to work for Experian by clicking here