Senior System Administrator

Company Description

Experian is a global data and technology company that empowers opportunities for people and businesses worldwide. We innovate in lending practices, fraud prevention, healthcare, marketing solutions, and automotive insights through our unique combination of data, analytics, and software. Our mission is to help millions achieve their financial goals while saving time and money.

We operate across various markets, including financial services, healthcare, automotive, agribusiness, and insurance. As a FTSE 100 company listed on the London Stock Exchange (EXPN), we employ 22,500 people across 32 countries, with our headquarters in Dublin, Ireland. Learn more at

Job Description

We are seeking a Senior Systems Administrator to support and diagnose incidents within the Colleague Technology Support group, adhering to established service levels. The role covers server, desktop, laptop, mobile device support, domain, security, and network services. Additionally, support for our Green Room live broadcast events is included.

This position reports to the Colleague Technology Operations Manager and is based onsite in London Victoria.

Key Responsibilities:

• Support multiple platforms including Windows, MacOS, iOS, and Android.
• Assist VIP and executive support staff with onsite, remote, and occasional home support, including after-hours and on-call duties.
• Support technology for special events and webinars.
• Identify and escalate issues to leadership or other IT teams for resolution.
• Manage enterprise solutions across device management platforms (Microsoft, Apple, Android) and Microsoft O365.
• Design solutions using Intune, Azure, and JAMF.
• Troubleshoot WAN/LAN issues, including patch deployment and replication.
• Create support knowledge base articles for team reference.

Qualifications:

• Deep technical knowledge of Active Directory, Desktop Engineering, Identity and Access Management, Device Management, and Endpoint Security.
• Experience supporting Mac devices with Jamf.
• Proficiency in ITSM processes, incident and problem management, using ITSM tools.
• Understanding of network concepts such as IP addressing, DNS, DHCP.
• Experience with device management tools like JAMF, Intune, SCCM.
• Proficiency with Microsoft 365 suite.
• Experience supporting large event platforms like GoTo Webinar, Teams Live Event.

Additional Information

At Experian, we celebrate individuality and foster a culture of diversity, equity, and inclusion. Our people-first approach has earned recognition as one of the World's Best Workplaces 2024, among other accolades. We are committed to equal opportunity employment and welcome applicants of all backgrounds. If accommodations are needed, please inform us early.

Join us in creating a better tomorrow. Discover what it's like to work at Experian .