13 jobs found

Role Overview Talan is seeking an experienced Application Support Engineer to join a high-performing global team supporting the eTrading environment for a leading investment banking client. Operating within a Production & Application Support function, this role sits at the heart of front-office trading technology, ensuring the stability, performance, and continuous improvement of critical electronic trading platforms. You will work in a complex, low-latency environment supporting high-volume trading flows, interacting closely with trading desks, development teams, and infrastructure specialists across a global follow-the-sun support model. Key Responsibilities Oversee day-to-day production support activities, including monitoring, incident management, and capacity planning Act as a key point of contact for issue resolution, liaising with traders, developers, infrastructure teams, and external vendors Take ownership of assigned applications and platforms, developing deep technical expertise Support and enhance electronic trading systems, including pricing engines, algorithmic trading components, and STP workflows Manage connectivity to external trading venues (e.g. exchanges, ECNs, market data providers) Contribute to system design improvements, focusing on resilience, scalability, and performance optimisation Coordinate release and change management activities, ensuring robust deployment processes Participate in a shift-based rota (7am-6pm coverage) and on-call support, including occasional weekend work Collaborate with global teams across Europe, North America, and Asia within a follow-the-sun support model Continuously improve documentation, monitoring, and operational processes Required Skills & Experience Strong experience in Application Support within electronic trading or capital markets environments Solid expertise across Linux and Windows server environments Experienced withinWintel Engineering Good understanding of market connectivity, networking, and infrastructure (firewalls, multicast, latency considerations) Ability to analyse system performance across CPU, memory, network, and messaging layers Proficiency in scripting and automation (e.g. Python, Shell, PowerShell, SQL) Experience with CI/CD and deployment tools (e.g. Jenkins, Ansible, Artifactory) Familiarity with application stacks involving Java, C++, or .NET Strong stakeholder engagement skills with the ability to operate in a front office facing role Proven ability to manage incidents and deliver improvements in high pressure environments Experience with ION trading platforms or similar vendor systems Knowledge of multicast messaging and low latency trading architectures Monitoring tools such as Geneos or Zabbix Experience with Splunk or similar log analytics platforms

Computacenter AG & Co. oHG is seeking a seasoned 3rd Line Support Analyst for Wintel/AD at one of our secure delivery locations (Nottingham, Hatfield or Milton Keynes). The role is full-time in office with SC clearance or willingness to obtain clearance. You will join a shared delivery team providing proactive and reactive support across incident management, root cause analysis and change requests, focusing on first-time fix rates and SLA achievement.

Location: UK - Nottingham, UK - Hatfield, UK - Milton Keynes Job-ID: 215299 Contract type: Standard Business Unit: Information Technology Overview 3rd Line Support Analyst - Wintel AD. Hatfield, Nottingham or Milton Keynes (full-time in office). Must be SC Cleared, or willingness to undertake clearance. A number of fantastic opportunities have arisen for a 3rd Line Infrastructure Support Analyst to join our 3rd line support team based at one of our Secure delivery locations (Nottingham, Hatfield or Milton Keynes). The successful candidate will join our shared delivery team supporting multiple customers, providing proactive and reactive support of the estate management, including resolution of incidents, root cause analysis and completion of change requests. The roles will focus on incidents, increasing the first time fix rates, ensuring SLA's are met, and broader call management. Responsibilities What you'll do Technical 80% Call and incident management Respond to service calls and resolve incidents to ensure SLA targets are achieved Increase the First Time Fix rate Adhere to escalation procedures Assist with technical escalations for other team members Monitor call queue and follow up with specialist support teams for resolution Adhere to customer's and Computacenter's Security Policies Administration 20% Participate in team and sector meetings Utilise the relevant ITSM tool suite to monitor progress of all incidents Ensure accurate completion of all incident records and associated paperwork Monitor and update the call management system as required Assist with SLA reporting Requirements 5+ years' experience managing, maintaining, configuring and troubleshooting large scale hybrid environments 3+ years' experience with Microsoft Windows Server Operating Systems, Windows Active Directory and Entra ID, VMware/Hyper-V Currently holds SC or above clearance level Good understanding of ITIL Service Operations; Incident, Request, Problem & Change Management as it relates to a support role Ability to communicate clearly with peers as well as management Self-driven and resourceful to achieve goals independently as well as work well in groups Flexibility to adjust to changing requirements, schedules and priorities Ability to socialize ideas, make recommendations and gather team consensus to move forward Excellent communication, writing, meeting facilitation skills Technical qualifications, i.e. Microsoft Windows Server, VMware Vsphere, Microsoft Azure Services Familiarity of PowerShell to accomplish tasks and provide reporting In depth experience in a 3rd Line Support capacity, with demonstrable experience of resolving incidents in complex environments Good understanding of supporting server infrastructure within a hybrid (multi-platform) environment Management of Microsoft Windows Server within a hybrid environment Expert in providing operational support for identity services including Authentication, Authorization, Access, Federation Accurate and logical problem solving skills Ability and desire to excel in a team environment Active Directory deployment/configuration/troubleshooting skills, including Group Policy Entra ID authentication service and access control including conditional access policies / enterprise application deployment Supporting Microsoft Windows Networking Services such as DNS/DHCP Managing Anti-Virus services and reporting Advantageous: Azure Privileged Identity Management and Identity Governance Hold Windows Server Hybrid Administrator Associate Certification (AZ-800 / AZ-801) Hold Microsoft Identity and Access Administrator Certification (SC-300) Converged technologies (Simplivity, UCS) Virtualisation (VMware, Hyper-V)

Role Overview Talan is seeking an experienced Application Support Engineer to join a high-performing global team supporting the eTrading environment for a leading investment banking client. Operating within a Production & Application Support function, this role sits at the heart of front-office trading technology, ensuring the stability, performance, and continuous improvement of critical electronic trading platforms. You will work in a complex, low-latency environment supporting high-volume trading flows, interacting closely with trading desks, development teams, and infrastructure specialists across a global follow-the-sun support model. Key Responsibilities Oversee day-to-day production support activities, including monitoring, incident management, and capacity planning Act as a key point of contact for issue resolution, liaising with traders, developers, infrastructure teams, and external vendors Take ownership of assigned applications and platforms, developing deep technical expertise Support and enhance electronic trading systems, including pricing engines, algorithmic trading components, and STP workflows Manage connectivity to external trading venues (e.g. exchanges, ECNs, market data providers) Contribute to system design improvements, focusing on resilience, scalability, and performance optimisation Coordinate release and change management activities, ensuring robust deployment processes Participate in a shift-based rota (7am-6pm coverage) and on-call support, including occasional weekend work Collaborate with global teams across Europe, North America, and Asia within a follow-the-sun support model Continuously improve documentation, monitoring, and operational processes Required Skills & Experience Strong experience in Application Support within electronic trading or capital markets environments Solid expertise across Linux and Windows server environments Experienced withinWintel Engineering Good understanding of market connectivity, networking, and infrastructure (firewalls, multicast, latency considerations) Ability to analyse system performance across CPU, memory, network, and messaging layers Proficiency in scripting and automation (e.g. Python, Shell, PowerShell, SQL) Experience with CI/CD and deployment tools (e.g. Jenkins, Ansible, Artifactory) Familiarity with application stacks involving Java, C++, or .NET Strong stakeholder engagement skills with the ability to operate in a front office facing role Proven ability to manage incidents and deliver improvements in high pressure environments Experience with ION trading platforms or similar vendor systems Knowledge of multicast messaging and low latency trading architectures Monitoring tools such as Geneos or Zabbix Experience with Splunk or similar log analytics platforms

DV Cleared 2nd/3rd Line Infrastructure Engineer (Wintel) Location: London (Full-time, 100% onsite) Salary: £60,000 - £70,000 + Bonus Security Clearance: Active DV Clearance Required Overview We are seeking an experienced DV Cleared 2nd/3rd Line Infrastructure Engineer to join a highly secure and mission-critical environment based in London. This is a hands-on technical role focused on supporting, maintaining, and enhancing enterprise Wintel infrastructure within a complex, high-security setting. Working as part of an established infrastructure team, you will provide 2nd and 3rd line support across core services and platforms, taking ownership of technical incidents, problem resolution, system improvements, and infrastructure lifecycle activities. Key Responsibilities Provide 2nd and 3rd line support for Windows-based infrastructure and core services Administer and support Active Directory environments, including Group Policy, DNS, DHCP, and user/device management Support and maintain VMware virtualised infrastructure environments Investigate, troubleshoot, and resolve complex infrastructure incidents and problems Perform system patching, upgrades, maintenance, and lifecycle management activities Implement and maintain security best practices within a highly regulated environment Create and maintain technical documentation, support procedures, and operational runbooks Work closely with infrastructure, network, and security teams to support business-critical services Contribute to continuous improvement initiatives and infrastructure optimisation projects Participate in technical escalations and provide support for major incidents when required Essential Skills & Experience Active Developed Vetting (DV) clearance - must be current and transferable Proven experience in a 2nd/3rd line infrastructure support or engineering role Strong Wintel infrastructure support experience within enterprise environments In-depth knowledge of: Windows Server (2016/2019/2022) Active Directory, Group Policy, DNS, and DHCP VMware vSphere / ESXi Excellent troubleshooting and diagnostic skills across core infrastructure technologies Experience working within secure, enterprise, government, or defence environments Ability to work full-time onsite in London Desirable Skills PowerShell scripting and automation Experience with backup and recovery solutions Knowledge of infrastructure monitoring tools (e.g. SCOM or equivalent) Exposure to highly secure, classified, or air-gapped environments Experience supporting mission-critical systems and services What's on Offer Competitive salary of £60,000 - £70,000 Annual bonus scheme Opportunity to work within a highly secure, mission-critical environment Long-term career opportunity supporting nationally important systems Collaborative and technically challenging working environment

CBSbutler Ltd. is looking for an experienced DV Cleared 2nd/3rd Line Infrastructure Engineer to work full-time onsite in London. In this crucial role, you will support and enhance the enterprise Wintel infrastructure in a highly secure environment. Your responsibilities include providing technical support, managing system incidents, and implementing security best practices while collaborating with cross-functional teams. A competitive salary of £60,000 - £70,000 plus an annual bonus scheme is on offer.

Overview The role requires a DevOps Cloud engineer with solid Wintel experience to implement cloud platform infrastructure for the MOD/Army geographic data intelligence service known as MCBRIDE. Professional Development We prioritise career advancement within a collaborative team environment. Whether you are looking to move into leadership or deepen your technical expertise, we provide the support to help you achieve your career goals. Role Objective The Wintel DevOps Engineer is responsible for implementing the Windows infrastructure components of the MCBRIDE service as well as additional AWS cloud native services (this may extend to Google Cloud Platform in the future). This includes traditional Wintel roles such as Active Directory configuration and DevOps processes and tools including Terraform and Git. Expected Outputs Terraform IaaC: Create Terraform code to deploy and maintain infrastructure on the MOD's AWS Cloud platform. Experience on Ansible is desirable but not required as training can be provided. Wintel: Configure Windows Server, Active Directory, Group Policy, DNS, Certificate Services and other windows configurations, including PowerShell scripting. GitOps: Work within the git-based framework for managing the infrastructure code base. Close Collaboration: Work closely with a small team of DevOps engineers and architects, creating a culture of inclusive collaboration, resulting in the best solutions for MCBRIDE. Creativity: Able to find solutions when working on a platform with significant security restrictions in place. Curiosity: As the platform evolves to include more services and technologies, the willingness to learn and apply new technologies. Skills we can't do without DevOps - good familiarity with core DevOps processes and tools including CI/CD pipelines, git version control, Terraform. Wintel - strong core Wintel skills covering all aspects of Active Directory and Windows Server. Cloud - given that the OS component of the service is built on AWS, knowledge and experience of AWS is preferable but any experience on one of the key hyperscalers (AWS, Azure, GCP, Oracle) is suitable. A good understanding of cloud security principles and regulatory standards. Strong analytical and troubleshooting skills to resolve implementation and operational challenges. Keeping up to date on best practices in cloud computing. Previous Experience Required Few years in IT infrastructure roles. Proven experience in Wintel tasks. Proven experience in a DevOps role. Previous experience of MOD platforms/processes/ways of working would be beneficial but is not required. Nice to have (not mandatory) Hands on experience on Ansible. Optional experience with any of containerisation: Kubernetes, Hashicorp vault, Prometheus, Grafana, ELK stack is an advantage. Certifications Hashicorp Terraform Associate. AWS/Azure/GCP/Oracle Associate. Microsoft AZ-800/AZ-801, MCSA, MCSE. Additional Requirements Security clearance, or eligibility and willingness to obtain higher clearance. Working model: Hybrid/ should be open to work onsite as well. Benefits Pension Scheme - contributions matched up to 10% Private medical cover Income Protection Life Assurance 25 days paid leave + National Holidays Flex benefits program As a Disability Confident employer, we encourage applications from all applicants, especially, differently abled applicants. We aim to ensure that those who meet the minimum criteria for this position will be offered an interview. We are committed and willing to making reasonable adjustments to the application and assessment process to accommodate your needs. We are a care leaver friendly employer.

United States Digital Space LLC is looking for a Wintel DevOps Engineer to implement cloud infrastructure for the MOD's MCBRIDE service in Greater London. The ideal candidate should have solid Wintel experience, proficiency in DevOps tools like Terraform and Git, and be ready to embrace a hybrid working model. This role emphasizes collaboration, creativity, and problem-solving in a secure platform environment. Benefits include a 10% matched pension scheme, medical cover, and generous leave policies.

A technology services provider is seeking a DV Cleared Senior Infrastructure Engineer to design and maintain secure IT infrastructures. The role involves managing Wintel systems, ensuring compliance with security standards, and collaborating with teams on complex projects. The ideal candidate will have active DV Clearance and strong Wintel and VMware expertise. Competitive salary up to £80,000 offered.

Hamilton Barnes Associates Limited is seeking a Wintel / Infrastructure Engineer for a secure programme in central London. This hands-on role emphasizes maintaining a Wintel-based infrastructure and working within VMware/VCF environments. The candidate will support a high-security project and must have active DV clearance. This role offers a competitive day rate and the opportunity to work in a reputable environment with a focus on enterprise-level technologies.

Join a systems integrator delivering hyper-converged private cloud and mission-critical solutions for the UK Defence sector. The company focuses on secure, high-performance infrastructure and brings together skilled experts to solve complex technical challenges. An exciting opportunity has opened for a Wintel / Infrastructure Engineer to support a secure programme in central London. This hands on role focuses on modern VMware and VCF environments, offering the chance to make an immediate impact on a long term, high security project. Responsibilities Support and maintain a Wintel-based infrastructure environment Work across VMware and VCF platforms to ensure stability and performance Collaborate with an on-site team within a secure setting Assist with ongoing infrastructure improvements and project delivery Skills / Must have Active DV clearance Strong Wintel / Infrastructure engineering background Proven experience with VMware and VCF Comfortable working full-time on-site Benefits Competitive day rate Long-term contract with potential extension Opportunity to work within a highly secure and reputable environment Exposure to enterprise-level infrastructure technologies Salary £600 - £650 per day (Outside IR35)

Job Description We are seeking an experienced Lead Server & Storage Analyst to bring fresh insights and expertise to our Group IT Infrastructure team. This is a site based role working alongside other technical analysts in the security and network sectors. You will act as a subject matter expert for our server operations and storage management, ensuring it runs in optimal state at all times. Reporting into the Group Head of IT Infrastructure, the Lead Server & Storage Analyst will be responsible for providing advice and guidance on how to improve our services and the implementation of new hardware and solutions to continually improve these key areas of the IT Infrastructure. Objectives of this Role: Design, manage and secure our high-performance physical and virtual storage infrastructures (SAN/NAS). Monitor performance, undertake capacity management and create reports as requested, working with suppliers as appropriate. Implement robust backup, replication and disaster recovery strategies using disk and tape media, ensuring data integrity. liaise with and co ordinate activities with 3rd party vendors who are providing hardware and software support services. Lead technical delivery, design new solutions and mentor the IT Infrastructure team members. Requirements Proven experience in a Server Engineer or 3rd Line support role. Strong understanding of IT concepts and architectures, and the principles and processes of implementing and delivering IT services. Forward thinking, strong planning skills, and a high level of interest in providing technology driven solutions. Experience with converged or hyper converged infrastructure. Experience in virtualization products including VMware vSphere & vCentre and Proxmox. Experience with Cloud Services (e.g., AWS / Azure). Experience supporting the following technologies: Windows Server, Linux, Active Directory, Group Policy, Core Wintel services including DNS, DHCP, DFS, WSUS, WINS. Strong understanding of clustering, backup and Disaster Recovery principles for business continuity. Strong logical and methodical approach, especially under pressure. Excellent verbal and written communication skills, able to explain technical concepts to both technical and non technical audiences. Relevant education, training, or certifications in networking technologies. Knowledge of Cyber Essentials Plus accreditation and ISO27001 information security standard. Benefits 25 days annual leave plus 8 bank holidays