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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Microsoft SQL Server - **Company:** Onyx-Conseil - **Location:** London, UK - **Experience:** Expert - **Salary:** £55,000.0 - £60,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Access, Java (Programming Language), Microsoft Windows, Active Directory, Application Packaging, Microsoft Online Services, Business Systems, C Sharp (Programming Language), Cascading Style Sheets (CSS), Cloud Computing, Computer Networks, Databases, Extract Transform Load (ETL), Data Warehousing, Dynamic Host Configuration Protocol, Domain Name System (DNS), Eclipse (Software), Apache Hadoop, Monitoring of Systems, IT Management, JQuery, Linux Servers, Microsoft Visual Studio, Microsoft Office, Microsoft SQL Server, Networking Basics, Routing, NT File System (NTFS), OpenSSL, Windows PowerShell, Power BI, SAS (Software), Microsoft SharePoint, Security Information and Event Management, Software Engineering, Software Systems, SQL Stored Procedures, Symantec Endpoint Protection, Systems Architecture, Tableau (Software), TCP/IP, User Provisioning Software, VMware VSphere, Wide Area Networks, Murex, Symantec, Network Routers, Enterprise Software Applications, Sql Optimization, Build Management, Treasury System, Information Technology, Vcenter, Fortinet, SQL Server Management Studio (SSMS), Veeam, Splunk, Cisco Switches, ManageEngine, Web Api, Vmware - **Published:** August 26, 2026 - **Apply:** https://www.collegerecruiter.com/job/2815093579-microsoft-sql-server ## About the Role We are seeking an experienced and highly motivated Senior IT Infrastructure Manager with at least 7 to 10 years of experience to oversee, manage, and continuously improve the organization's IT infrastructure, enterprise systems, network environment, and end-user computing services. The successful candidate will ensure the availability, security, performance, and resilience of critical business systems while leading technical teams and supporting key stakeholders across the organization., * 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. * Ability to provide support to VIP stakeholders. * Proficiency in Windows Server 2019/2022 (or equivalent), Red Hadoop, VMware vSphere / vCenter, Veeam Backup & Replication, Microsoft Office 365, PowerShell scripting, SQL Server administration, and networking fundamentals., * 5-7 years of experience developing complex software with C#. * Strong mathematical background (2:1 in maths or computer science or similar). * Excellent communication and interpersonal skills. * Proficiency in Visual Studio, Microsoft SQL Server, Office 365, SharePoint and related tools. * Experience with Eclipse (for underwriting) and Sun (for accounts) is a plus. ## Description Senior IT Infrastructure & Systems Manager We are seeking an experienced and highly motivated Senior IT Infrastructure Manager with at least 7 to 10 years of experience to oversee, manage, and continuously improve the organization's IT infrastructure, enterprise systems, network environment, and end-user computing services. The successful candidate will ensure the availability, security, performance, and resilience of critical business systems while leading technical teams and supporting key stakeholders across the organization. Responsibilities: * Administer, maintain, and optimize Windows and Linux server environments. * Manage VMware virtualised infrastructure (vSphere 8 and above). * Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication, Veeam ONE monitoring and VRO environments. * Administer endpoint security and encryption solutions, including Symantec Endpoint Protection and Symantec Endpoint Encryption. * 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. * Monitor system performance, capacity, availability and infrastructure health. * Ensure compliance with IT governance, security policies and operational standards. * Provide advanced desktop, laptop, printer, mobile device and branch office IT support. * Manage OS deployment, imaging, image creation, maintenance and software packaging. * Administer Active Directory, Group Policy Objects, user provisioning and NTFS permissions. * Resolve technical incidents and service requests in line with agreed SLAs. * Support business-critical applications such as Bloomberg FXT, Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access, 1AML, SIBS, GFMS. * Configure and support Cisco switches, routers, FortiGate firewall environments and DNS, DHCP, TCP/IP, LAN/WAN, routing and connectivity troubleshooting. * Perform SSL/TLS certificate lifecycle management using OpenSSL. * Develop, maintain and enforce IT policies, standards and operating procedures. * Produce system architecture diagrams, technical documentation, SOPs, and performance reports. * Identify and drive opportunities for automation and service improvement. * Support technology planning, infrastructure modernisation and transformation initiatives. Qualifications: * 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. * Ability to provide support to VIP stakeholders. * Proficiency in Windows Server 2019/2022 (or equivalent), Red Hadoop, VMware vSphere / vCenter, Veeam Backup & Replication, Microsoft Office 365, PowerShell scripting, SQL Server administration, and networking fundamentals. Location: SW1V 1SW, London, England, United Kingdom Remote type: Hybrid (3 days in the office) Start date: As soon as possible Salary: £55,000 - £60,000 C# .NET Developer - Insurance Our client is an insurance underwriter in the City of London looking to grow its software development team with a seasoned C# .NET developer. Responsibilities: * Develop complex software with C# and support the entire development lifecycle. * Utilise Java, jQuery, Web API, CSS and advanced SQL Server (stored procedures, table design). * Provide support for Microsoft Office Applications and design and build reports for SharePoint. * Lead improvements to management information and analysis. * Analyse requirements and deliver suitable solutions using the most appropriate technology. * Document, support and upgrade a wide range of internal applications/processes. * Produce ad-hoc reporting and analysis of information in the data warehouse. * Work both as part of a team and independently, communicating with all business areas. Qualifications: * 5-7 years of experience developing complex software with C#. * Strong mathematical background (2:1 in maths or computer science or similar). * Excellent communication and interpersonal skills. * Proficiency in Visual Studio, Microsoft SQL Server, Office 365, SharePoint and related tools. * Experience with Eclipse (for underwriting) and Sun (for accounts) is a plus. Location: City of London, England, United Kingdom Start date: As soon as possible Salary: up to £50,000 (potentially higher for exceptional candidates); junior roles considered from £25,000 - £30,000. Contract roles and jobs for Microsoft SQL Server * Database Administrator - Manages and optimises SQL Server databases, ensuring performance, security and availability. * Data Analyst - Uses SQL Server to query databases and transform data into actionable insights. * Database Developer - Designs and develops queries, stored procedures and databases on SQL Server to meet business needs. * Business Intelligence Consultant - Uses SQL Server for ETL and develops BI solutions tailored to businesses (PowerBI, SAS, Tableau). * Research and Development Engineer - Designs and develops software solutions by integrating SQL Server databases to manage data efficiently. ## Related Videos - [Microservices architecture as a key element in building trading systems for global finance markets](https://www.wearedevelopers.com/videos/1196-microservices-architecture-as-a-key-element-in-building-trading-systems-for-global-finance-markets) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) - [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone) - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) ## Related Articles - [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023) - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk)