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Senior IT Infrastructure & Systems Manager

Skills

active directoryautomationciscocloudcybersecuritydhcpdlpdnsedrfirewallfortinetioslinuxnetworkingonedriveperformance managementpowershellprocess improvementsaassdlcsftpsharepointsiemsplunk

Description

  • 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).

  • 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)

  • Governance, Documentation & Process Improvement

  • Develop, maintain, and enforce IT policies, standards, and operational procedures.

  • Produce system architecture diagrams, technical documentation, SOP’s, and performance reports.

  • Identify and drive opportunities for automation and service improvement.

  • Support technology planning, infrastructure modernization, and transformation initiatives.

  • 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

  • Technical Competencies

  • Data analysis and operational reporting

  • Desktop and laptop support

  • Infrastructure monitoring and performance management

  • Certificate lifecycle management (SSL/TLS)

  • Windows imaging and deployment, GPO, NTFS

  • PowerShell scripting

  • SQL Server administration

  • Understanding of software development lifecycle (SDLC) and deployment processes

  • Architecture review and systems optimization

  • Asset management

  • 7+ years of experience in enterprise IT infrastructure and systems administration.

  • Experience within financial services, banking, trading, or treasury environments.

  • Proven experience managing mission-critical infrastructure and applications.

  • Experience operating within regulated and security-focused environments.

  • Able to provide support to VIP stakeholders

  • This is a hybrid role 3 days in the office in Central London.

  • Salary for this role will be in the range £55K - £60K.

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

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