Senior IT Infrastructure & Systems Manager

Overview

In this role you will lead the organization’s IT infrastructure, enterprise systems, and end-user computing services to ensure availability, security, and performance of mission-critical systems. You will manage technical teams and liaise with stakeholders across a complex financial services environment. The position combines hands-on infrastructure oversight with governance, modernization, and transformation initiatives. You will shape resilient IT operations and security posture in partnership with cross-functional teams.

Responsibilities

• Administer and optimize Windows and Linux servers
• Manage VMware vSphere environments and enterprise backup/DRP with Veeam
• Oversee Veeam ONE and VRO environments
• Administer endpoint security (SEP/SEE) and support DLP, SIEM, and monitoring tools (Splunk, Tenable)
• Manage patching with ManageEngine Patch Manager Plus
• Support Microsoft 365 and cloud technologies
• Monitor performance, capacity, availability, and health of infrastructure
• Enforce IT governance, security policies, and operational standards
• Provide advanced desktop and end-user computing support and imaging
• Administer Active Directory, GPOs, and user provisioning
• Support financial systems and enterprise applications (Bloomberg FXT, Refinitiv Eikon, Murex, SWIFT SAA, etc.)
• Manage file synchronization/SFTP and enterprise networking (Cisco, FortiGate)
• Handle SSL/TLS lifecycle, certificates, and key management
• Develop IT policies, documentation, and SOPs; drive automation and service improvements
• Support architecture reviews, modernization, and SDLC-related deployment processes
• Maintain asset management and reporting
• Operate in a hybrid office setup in Central London

Key requirements

• 7+ years in enterprise IT infrastructure and systems administration
• Experience in financial services, banking, trading, or treasury environments
• Proven track record managing mission-critical infrastructure and applications
• Experience in regulated and security-focused environments
• Ability to support VIP stakeholders

• Stakeholder management
• Leadership and people management
• Problem solving and analytical thinking
• Windows and Linux server administration
• VMware vSphere/vCenter (v8+)
• Veeam Backup & Replication; Veeam ONE; VRO

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