Nexus Jobs Limited

Job Vacancy Senior IT Infrastructure Officer

London

Nexus Jobs Limited

Job position

Permanent
As soon as possible
£70k-75k
London, England, United Kingdom
Published on 24/06/2026

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Senior IT Infrastructure Officer


Our Client a bank, in Central London are looking for an experienced IT Infrastructure professional who is ideally looking for their next challenge in a dynamic and regulated financial services environment.


We are seeking a highly skilled Senior IT Infrastructure Officer to lead the management, security, and continuous improvement of our enterprise IT infrastructure.


The Senior IT Infrastructure Officer will be playing a key role in ensuring the availability, resilience, and performance of critical systems while supporting technologies across servers, networks, cloud services, cybersecurity, and business-critical financial applications.


The candidate must have strong technical expertise in Windows/Linux, VMware, Microsoft 365, networking, cybersecurity, and infrastructure management who also enjoys solving complex challenges and driving operational excellence.


Must have 7 years' experience in enterprise infrastructure, ideally within banking or financial services, and be passionate about delivering secure, reliable IT services..


 The role will be Monday to Friday, 9:30am to 5:30pm and reporting into the Head of IT & Data. Due to the nature of the role, the individual is expected to work in our offices, 5 days per week,  during their probationary period


 


Infrastructure & Systems Management



  • Administer, maintain, and optimize Windows and Linux server environments.

  • Manage VMware virtualized infrastructure (vSphere 8 and above).

  • Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication.

  • Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments.

  • Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE).

  • Support endpoint DLP, SIEM, and security monitoring tools (e.g., Splunk, Tenable).

  • Manage patching processes using ManageEngine Patch Manager Plus.

  • Support Microsoft 365 services and related cloud technologies.

  • In depth understanding of Cyber security

  • Monitor system performance, capacity, availability, and infrastructure health.

  • Ensure compliance with IT governance, security policies, and operational standards.

     


    End-User Computing & Branch Support



  • Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support.

  • Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems.

  • Manage OS deployment, imaging, image creation, maintenance, and software packaging.

  • Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions.

  • Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint.

  • Resolve technical incidents and service requests in line with agreed SLAs.

     


    3. Enterprise Applications & Financial Systems Support



  • Support and administer business-critical applications, including:

  • Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP

  • Support enterprise file synchronization and replication solutions (e.g., Syncovery, other SFTP).

     


    4. Networking


    •             Configure and support Cisco switches and routers.


    •             Administer FortiGate firewall environments.


    •             Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting.


    Monitor network performance, availability, and security posture.


    Security & Endpoint Management



  • Support vulnerability management using tools such as Tenable.

  • Manage security monitoring and log analysis tools (e.g., Splunk).

  • Perform SSL/TLS certificate lifecycle management using OpenSSL.

  • Create and manage CSRs, certificate chains, and private keys.

  • Ensure adherence to cybersecurity policies, standards, and regulatory requirements.

  • Support physical access control systems (e.g., Paxton)

     


    Operating Systems



  • Windows 11

  • Windows Server 2019/2022 (or equivalent enterprise environments)

  • Red Hat Linux

    Infrastructure & Virtualization



  • VMware vSphere / vCenter (v8.0.3 and above)

  • Veeam Backup & Replication

  • Veeam ONE, VRO

  • Microsoft Office 365

  • ManageEngine Patch Manager Plus

  • SAAS solutions

  • SQL Server

    Security



  • Symantec Endpoint Protection (SEP)

  • Symantec Endpoint Encryption (SEE)

  • SentinelOne – EDR/ XDR

  • Endpoint DLP solutions

  • Firewall administration

  • Vulnerability management tools (e.g., Tenable)

  • SIEM tools (e.g., Splunk)

    Networking



  • Cisco Switches and Routers

  • FortiGate Firewalls

  • LAN/WAN networking and routing

     


    Hardware & Storage



  • Dell PowerEdge Servers

  • Dell PowerVault SAN Storage


 


Education


Bachelor or Master’s degree or professional qualification in relevant  discipline (IT/Information Systems/Computer  Science/Technology/Programming/Information Science/System Engineering/Computing)


 


The role is based in Central London and initally will be be 5 days per week in the office.


This is a 12 month FTC position.


The salary for the role will be circa £70K - £75K.


Do send your CV to us in Word format along with your salary and availability.


 


 


 

Knightsbridge, England, United Kingdom
100 - 249 employees
Recruitment agency
Nexus Jobs is a leading recruitment agency that connects top talent with industry-leading companies. Specializing in IT, Banking, HR, Finance and engineering sectors. Nexus Jobs provides efficient staffing solutions for businesses and jobseekers alike. Send your CV to cv@nexusjobs.com in Word format.

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Senior IT Infrastructure Officer

Nexus Jobs Limited

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