IT & Security Administrator: Microsoft 365 & IAM Pro

VSI; Greater London; On-site; GBP 38,000 - 52,000; Full time

Job summary

VSI is seeking an IT & Security Administrator to join the London team. You will blend hands-on IT administration with security coordination to keep our technology services reliable, secure and well-organised.

You will work with the Global Director of IT & Infrastructure, Service Desk, Desktop Manager and security teams to implement processes, controls and documentation across the business. You will manage Microsoft 365/Entra ID/AD, support devices and applications, and help drive incident

Qualifications

• Practical experience in IT support, systems administration or information security.
• Experience administering Microsoft 365, Entra ID or Active Directory, including user accounts, permissions, groups and licences.

Responsibilities

• Administer user accounts, groups, permissions and licences across Microsoft 365, Entra ID, AD and approved apps.
• Provide first- and second-line support for devices, OS, MS 365 applications, printing and meeting-room tech.
• Record and progress incidents and requests per SLAs.
• Configure, deploy and recover laptops, desktops and mobiles with approved builds and encryption.
• Support software deployment, patching, antivirus, device management and endpoint compliance.
• Maintain asset, licence, warranty, stock and configuration records.
• Perform routine health checks across servers, storage, backup, networking, cloud and collaboration services.
• Create IT procedures, knowledge-base articles and user guidance.
• Support onboarding/offboarding, hardware refreshes and IT projects.
• Coordinate security policies, audits, risk registers and remediation plans.
• Support third-party security reviews, questionnaires and tenders.
• Participate in security incident response activities and post-incident reviews.
• Maintain incident response plans and playbooks.
• Record and escalate security incidents and potential data breaches.
• Coordinate vulnerability remediation and patching activities.
• Support business continuity and disaster recovery reviews.
• Lead security awareness initiatives and phishing simulations.
• Coordinate with penetration testers, IT suppliers and security service providers.
• Provide practical IT and security guidance balancing security with user experience.

Skills

IT support

Systems administration

Information security

Microsoft 365 administration

Entra ID / Active Directory

Incident response

Vulnerability management

Identity and access management

Security monitoring

Endpoint management

Cloud services

Education

Microsoft 365 Certified: Endpoint Administrator Associate

CompTIA Security+

CompTIA Network+

Tools

Microsoft Intune

Microsoft Defender

Windows Autopilot

Job description

VSI is seeking an IT & Security Administrator to join the London team. You will blend hands-on IT administration with security coordination to keep our technology services reliable, secure and well-organised.

You will work with the Global Director of IT & Infrastructure, Service Desk, Desktop Manager and security teams to implement processes, controls and documentation across the business. You will manage Microsoft 365/Entra ID/AD, support devices and applications, and help drive incident