Sr IT System Admin Compliance Officer, Microsoft 365

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Job Summary

The Senior IT and Compliance Officer is responsible for maintaining, monitoring, and supporting the firm’s IT infrastructure, ensuring reliability, security, compliance, and smooth day-to-day operations. This role combines system administration, cybersecurity oversight, infrastructure management, vendor coordination, compliance support, and end-user support.

Key Responsibilities

System Administration & Infrastructure Management

• Manage and maintain IT systems, including: 
  • Servers and virtual environments 
  • Network equipment and connectivity 
  • Computer workstations 
  • Access control systems (door entry) 
  • PABX/telephone systems 
• Audio-visual systems for meeting rooms 
• Administer Microsoft 365, including licensing and email systems 
• Perform system patching and updates as required 
• Monitor IT security developments and relevant industry alerts 
• Manage critical system alerts and respond as needed 
• Maintain secure configuration and access controls across systems and applications
• Support implementation and maintenance of cybersecurity measures and best practices
• Coordinate with external vendors and service providers for specialised technical support and infrastructure-related projects

System Monitoring

• Monitor performance, availability, and security of: 
  • Server infrastructure 
  • Network equipment and firewall systems 
  • Endpoint devices and endpoint security tools 
  • Microsoft 365 environment 
• Respond to incidents and alerts promptly 
• Assist with monitoring logs, antivirus, endpoint protection, and other security tools for unusual activity or potential threats
• Coordinate escalation and remediation of technical and cybersecurity incidents where required

Backup & Disaster Recovery

• Execute and verify data backups 
• Ensure successful completion of backup processes 
• Manage data replication (including Worldox systems) to ensure redundancy 
• Maintain server replication (e.g., Active Directory and Affinity systems) for high availability 
• Support disaster recovery readiness 
• Participate in disaster recovery and business continuity testing exercises

Vendor & Supplier Liaison

• Liaise with external IT suppliers and service providers on IT-related issues and projects 
• Coordinate and follow up on: 
  • Penetration testing and security assessments 
  • Firewall configuration, maintenance, and troubleshooting 
  • Email account management, including secure wiping, deactivation, and access control 
  • Other technical issues requiring third-party support 
• Track and ensure timely resolution of issues 
• Maintain clear communication and basic documentation of supplier interactions 
• Coordinate with cybersecurity vendors and external consultants where required

End-User & Operational Support

• Create relevant accounts and give access to new employees
• Support and troubleshoot online meetings and setups 
• Provide technical support to end users across the firm and respond to ad hoc IT requests from lawyers and other staff 
• Assist with new IT-related projects and other IT-related tasks as required
• Support secure onboarding and offboarding of employees, including account provisioning and deactivation

Cybersecurity

• Support the firm’s cybersecurity and information security initiatives
• Assist with implementation and maintenance of cybersecurity controls and security best practices across the firm’s systems and applications
• Monitor security alerts, antivirus, endpoint protection, and other security tools for unusual activity or potential threats
• Coordinate with external vend