to digital complexity and actively shapes the digital future. Job Responsibilities: Engineer, Implement and maintain the firm’s Linux platform across all business lines. Automate all aspects of the management of this platform Build and deploy infrastructure, security and application monitoring tooling. Define and monitor system SLAs, ensure monitoring alerting and resolution. Recommend capacitymanagement strategies and … perform capacitymanagement Provide assistance to application teams to debug performance/availability issues and provide subject matter expertise to application support teams. Participate in an on-call rotation to support your environment. Proactively monitor utilization and performance and recommend capacitymanagement strategies. Operate in Infrastructure team config, deployment, software development lifecycle system and tools Accurately … and completely document the environment and management processes. Plan DR and BCP strategies and participate in implementation. Qualifications: Detailed knowledge of the Linux platform, including regular system administration, kernel optimization, OS hardening and the Linux networking stack. Solid networking skills, ability to debug networking issues using standard Linux tooling. Good understanding of various storage technologies and SAN/NAS More ❯
to digital complexity and actively shapes the digital future. Job Responsibilities: Engineer, Implement and maintain the firm’s Linux platform across all business lines. Automate all aspects of the management of this platform Build and deploy infrastructure, security and application monitoring tooling. Define and monitor system SLAs, ensure monitoring alerting and resolution. Recommend capacitymanagement strategies and … perform capacitymanagement Provide assistance to application teams to debug performance/availability issues and provide subject matter expertise to application support teams. Participate in an on-call rotation to support your environment. Proactively monitor utilization and performance and recommend capacitymanagement strategies. Operate in Infrastructure team config, deployment, software development lifecycle system and tools Accurately … and completely document the environment and management processes. Plan DR and BCP strategies and participate in implementation. Qualifications: Detailed knowledge of the Linux platform, including regular system administration, kernel optimization, OS hardening and the Linux networking stack. Solid networking skills, ability to debug networking issues using standard Linux tooling. Good understanding of various storage technologies and SAN/NAS More ❯
london (city of london), south east england, united kingdom
Visionet Systems Inc
to digital complexity and actively shapes the digital future. Job Responsibilities: Engineer, Implement and maintain the firm’s Linux platform across all business lines. Automate all aspects of the management of this platform Build and deploy infrastructure, security and application monitoring tooling. Define and monitor system SLAs, ensure monitoring alerting and resolution. Recommend capacitymanagement strategies and … perform capacitymanagement Provide assistance to application teams to debug performance/availability issues and provide subject matter expertise to application support teams. Participate in an on-call rotation to support your environment. Proactively monitor utilization and performance and recommend capacitymanagement strategies. Operate in Infrastructure team config, deployment, software development lifecycle system and tools Accurately … and completely document the environment and management processes. Plan DR and BCP strategies and participate in implementation. Qualifications: Detailed knowledge of the Linux platform, including regular system administration, kernel optimization, OS hardening and the Linux networking stack. Solid networking skills, ability to debug networking issues using standard Linux tooling. Good understanding of various storage technologies and SAN/NAS More ❯
these areas. Out of hours work is regularly required, particularly at weekends on a rota basis. On-call support is also provided by the team. Responsibilities: Day-to-day management of production : monitoring, capacitymanagement, problem resolution activities, change management. Responsible for efficient resolution of issues to minimize impact to clients and internal users including liaising with … end users, team members, management, vendors, other internal IT teams... Assist in the development, design and implementation of technical support systems. Perform activities related to implementation and rollout for upgrades of existing services. Work closely with development teams, business analysts, architects, all infrastructure teams to design and setup new systems, improve existing platforms (resilience, high availability, performance, low-latency... … of DevOps tools like Jenkins, Ansible, Artifactory Good knowledge of common monitoring tools (ITRS Geneos, Zabbix,...) Good network and firewall infrastructure understanding Good understanding of multicast messaging Project management skills to deliver medium scale projects Personal Attributes : Team player Self motivated Strong analytical skills, follow-up capability and problem solving ability Detail-oriented and organized Excellent written and More ❯
london (city of london), south east england, united kingdom
Lorien
these areas. Out of hours work is regularly required, particularly at weekends on a rota basis. On-call support is also provided by the team. Responsibilities: Day-to-day management of production : monitoring, capacitymanagement, problem resolution activities, change management. Responsible for efficient resolution of issues to minimize impact to clients and internal users including liaising with … end users, team members, management, vendors, other internal IT teams... Assist in the development, design and implementation of technical support systems. Perform activities related to implementation and rollout for upgrades of existing services. Work closely with development teams, business analysts, architects, all infrastructure teams to design and setup new systems, improve existing platforms (resilience, high availability, performance, low-latency... … of DevOps tools like Jenkins, Ansible, Artifactory Good knowledge of common monitoring tools (ITRS Geneos, Zabbix,...) Good network and firewall infrastructure understanding Good understanding of multicast messaging Project management skills to deliver medium scale projects Personal Attributes : Team player Self motivated Strong analytical skills, follow-up capability and problem solving ability Detail-oriented and organized Excellent written and More ❯
these areas. Out of hours work is regularly required, particularly at weekends on a rota basis. On-call support is also provided by the team. Responsibilities: Day-to-day management of production : monitoring, capacitymanagement, problem resolution activities, change management. Responsible for efficient resolution of issues to minimize impact to clients and internal users including liaising with … end users, team members, management, vendors, other internal IT teams... Assist in the development, design and implementation of technical support systems. Perform activities related to implementation and rollout for upgrades of existing services. Work closely with development teams, business analysts, architects, all infrastructure teams to design and setup new systems, improve existing platforms (resilience, high availability, performance, low-latency... … of DevOps tools like Jenkins, Ansible, Artifactory Good knowledge of common monitoring tools (ITRS Geneos, Zabbix,...) Good network and firewall infrastructure understanding Good understanding of multicast messaging Project management skills to deliver medium scale projects Personal Attributes : Team player Self motivated Strong analytical skills, follow-up capability and problem solving ability Detail-oriented and organized Excellent written and More ❯
The Manager Data Center (MDC) is responsible for the management and performance of a data center site(s) and ensures the site(s) function(s) at the optimum performance and reliability; actively managing along the lines of the four pillars of our Operations Strategy: Service Excellence, Infrastructure Excellence, Sustainability and Governance, risk and compliance. The Manager Data Center (MDC … Data Center (MDC) monitors all customer services and maintenance activities and provides/coaches the team with instructions. What youll do Health & Safety Oversight: Ensure adherence to the Quality Management, Environmental and Health & Safety Responsibilities Matrix Accountable for all activities on the sites in terms of Health & Safety and governance compliance, including site induction, supplier permits, and adherence to … Maintenance: Accountable for operating the site as energy efficient as possible, in coordination and working with other relevant functions. Accountable for the accurate and effective performance of monitoring and management systems Accountable for ensuring the timely, efficient, and high-quality execution of all maintenance and customer service tasks, as per Service Planning process guidelines. These activities encompass a range More ❯
of-hours support and occasional international travel. Key Responsibilities: Maintain, monitor, and operate the Platform environment in line with company policies. Resolve incidents and tickets raised through IT service management systems. Support Platform-related project work and deployment initiatives. Ensure systems are enrolled in capacitymanagement and life-cycle processes. Collaborate with global IT teams to enhance … reliability. Participate in on-call support rota and out-of-hours operational activities. Essential Skills & Experience: Strong expertise in Microsoft Windows Server and Desktop environments. Experience with Microsoft systems management tools (SCCM, SCOM). Knowledge of Active Directory, replication, Group Policy, and authentication protocols. Familiarity with Cloud/SaaS services, including Microsoft Azure. Understanding of networking concepts (DNS, DHCP … IPv4, firewalls, load balancing). Scripting experience (PowerShell) and automation of operational processes. Experience in geographically distributed, virtualized datacenter environments. ITIL Foundation or equivalent service management knowledge. Degree in IT/Computer Science or equivalent professional experience. Personal Attributes: Strong communication and interpersonal skills. Dependable, detail-oriented, and customer-focused. Able to work under pressure and independently while collaborating More ❯
switching, VLAN segmentation, firewall policies, telephony systems (ISDN/SIP) , and internal/external internet access. Ensure network resilience through robust backup, redundancy, and disaster recovery mechanisms. Lead network capacity planning, performance optimisation, and technology refresh cycles . Own the full lifecycle of network-related projects , from requirements gathering through to procurement, budgeting, vendor management , and security assessments … MPLS, VPNs, SD-WAN, firewalls, and network segmentation. Experience managing Cisco and Juniper network technologies, including Cisco IOS/NX-OS and JunOS platforms. Strong background in network monitoring, capacitymanagement, and incident response . Hands-on experience with network security frameworks , firewall configuration (Cisco ASA, Palo Alto, Fortinet, etc.) , and telephony (SIP/VoIP) systems. Familiarity with … of ISO 27001, PCI-DSS , and ITIL-aligned service delivery processes. Leadership & Soft Skills Strategic thinker with the ability to balance technical depth and business acumen . Exceptional stakeholder management and communication skills, capable of influencing at C-suite level. Proven ability to lead teams , develop talent, and build a high-performance culture. Commercially aware, with experience managing budgets More ❯
switching, VLAN segmentation, firewall policies, telephony systems (ISDN/SIP) , and internal/external internet access. Ensure network resilience through robust backup, redundancy, and disaster recovery mechanisms. Lead network capacity planning, performance optimisation, and technology refresh cycles . Own the full lifecycle of network-related projects , from requirements gathering through to procurement, budgeting, vendor management , and security assessments … MPLS, VPNs, SD-WAN, firewalls, and network segmentation. Experience managing Cisco and Juniper network technologies, including Cisco IOS/NX-OS and JunOS platforms. Strong background in network monitoring, capacitymanagement, and incident response . Hands-on experience with network security frameworks , firewall configuration (Cisco ASA, Palo Alto, Fortinet, etc.) , and telephony (SIP/VoIP) systems. Familiarity with … of ISO 27001, PCI-DSS , and ITIL-aligned service delivery processes. Leadership & Soft Skills Strategic thinker with the ability to balance technical depth and business acumen . Exceptional stakeholder management and communication skills, capable of influencing at C-suite level. Proven ability to lead teams , develop talent, and build a high-performance culture. Commercially aware, with experience managing budgets More ❯
london (city of london), south east england, united kingdom
AirSearch
switching, VLAN segmentation, firewall policies, telephony systems (ISDN/SIP) , and internal/external internet access. Ensure network resilience through robust backup, redundancy, and disaster recovery mechanisms. Lead network capacity planning, performance optimisation, and technology refresh cycles . Own the full lifecycle of network-related projects , from requirements gathering through to procurement, budgeting, vendor management , and security assessments … MPLS, VPNs, SD-WAN, firewalls, and network segmentation. Experience managing Cisco and Juniper network technologies, including Cisco IOS/NX-OS and JunOS platforms. Strong background in network monitoring, capacitymanagement, and incident response . Hands-on experience with network security frameworks , firewall configuration (Cisco ASA, Palo Alto, Fortinet, etc.) , and telephony (SIP/VoIP) systems. Familiarity with … of ISO 27001, PCI-DSS , and ITIL-aligned service delivery processes. Leadership & Soft Skills Strategic thinker with the ability to balance technical depth and business acumen . Exceptional stakeholder management and communication skills, capable of influencing at C-suite level. Proven ability to lead teams , develop talent, and build a high-performance culture. Commercially aware, with experience managing budgets More ❯
and supporting our enterprise messaging infrastructure built on Solace PubSub+, ensuring high availability, optimal performance, and reliability across production and non-production environments. This includes working on incident response, capacity planning, WAN optimization, and system observability using tools like Prometheus and Grafana . Key Responsibilities: Administer and maintain Solace PubSub+ appliances and software brokers across environments (on-prem and … and optimize Solace across WAN environments , ensuring low-latency, secure, and reliable messaging. Collaborate with development and application support teams to troubleshoot message flow issues and integration problems. Perform capacity planning , scaling, and tuning of Solace infrastructure to meet current and future demand. Automate routine maintenance tasks and support continuous improvement of operational processes. Implement and maintain monitoring alerts … understanding of networking, latency, and failover strategies. Solid experience with Prometheus and Grafana for system monitoring and alerting. Proficiency in troubleshooting message delivery, persistence, and topic routing. Experience with capacitymanagement , performance tuning, and system scaling. Familiarity with Linux/Unix systems and scripting (Bash, Python, etc.). Strong analytical and problem-solving skills, with attention to detail. More ❯
and supporting our enterprise messaging infrastructure built on Solace PubSub+, ensuring high availability, optimal performance, and reliability across production and non-production environments. This includes working on incident response, capacity planning, WAN optimization, and system observability using tools like Prometheus and Grafana . Key Responsibilities: Administer and maintain Solace PubSub+ appliances and software brokers across environments (on-prem and … and optimize Solace across WAN environments , ensuring low-latency, secure, and reliable messaging. Collaborate with development and application support teams to troubleshoot message flow issues and integration problems. Perform capacity planning , scaling, and tuning of Solace infrastructure to meet current and future demand. Automate routine maintenance tasks and support continuous improvement of operational processes. Implement and maintain monitoring alerts … understanding of networking, latency, and failover strategies. Solid experience with Prometheus and Grafana for system monitoring and alerting. Proficiency in troubleshooting message delivery, persistence, and topic routing. Experience with capacitymanagement , performance tuning, and system scaling. Familiarity with Linux/Unix systems and scripting (Bash, Python, etc.). Strong analytical and problem-solving skills, with attention to detail. More ❯
london (city of london), south east england, united kingdom
BGC Group
and supporting our enterprise messaging infrastructure built on Solace PubSub+, ensuring high availability, optimal performance, and reliability across production and non-production environments. This includes working on incident response, capacity planning, WAN optimization, and system observability using tools like Prometheus and Grafana . Key Responsibilities: Administer and maintain Solace PubSub+ appliances and software brokers across environments (on-prem and … and optimize Solace across WAN environments , ensuring low-latency, secure, and reliable messaging. Collaborate with development and application support teams to troubleshoot message flow issues and integration problems. Perform capacity planning , scaling, and tuning of Solace infrastructure to meet current and future demand. Automate routine maintenance tasks and support continuous improvement of operational processes. Implement and maintain monitoring alerts … understanding of networking, latency, and failover strategies. Solid experience with Prometheus and Grafana for system monitoring and alerting. Proficiency in troubleshooting message delivery, persistence, and topic routing. Experience with capacitymanagement , performance tuning, and system scaling. Familiarity with Linux/Unix systems and scripting (Bash, Python, etc.). Strong analytical and problem-solving skills, with attention to detail. More ❯
london, south east england, united kingdom Hybrid / WFH Options
Arthur Recruitment
technology estate. You’ll be the go-to expert for high-level technical escalations, ensuring systems are secure, scalable, and aligned to business needs. From disaster recovery planning to capacitymanagement, your influence will span both operational delivery and strategic foresight. You’ll also act as a trusted deputy to senior leadership, stepping in when needed and collaborating … Proven expertise in enterprise infrastructure (cloud, networks, virtualisation, storage). Strong understanding of cybersecurity frameworks and threat mitigation. Experience designing and maintaining resilient systems with high availability. Excellent stakeholder management and communication skills. Background in regulated industries (e.g., financial services, insurance, healthcare). Strategic mindset with hands-on technical credibility. Next Steps If you're a senior infrastructure leader More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Arthur Recruitment
technology estate. You’ll be the go-to expert for high-level technical escalations, ensuring systems are secure, scalable, and aligned to business needs. From disaster recovery planning to capacitymanagement, your influence will span both operational delivery and strategic foresight. You’ll also act as a trusted deputy to senior leadership, stepping in when needed and collaborating … Proven expertise in enterprise infrastructure (cloud, networks, virtualisation, storage). Strong understanding of cybersecurity frameworks and threat mitigation. Experience designing and maintaining resilient systems with high availability. Excellent stakeholder management and communication skills. Background in regulated industries (e.g., financial services, insurance, healthcare). Strategic mindset with hands-on technical credibility. Next Steps If you're a senior infrastructure leader More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Arthur Recruitment
technology estate. You’ll be the go-to expert for high-level technical escalations, ensuring systems are secure, scalable, and aligned to business needs. From disaster recovery planning to capacitymanagement, your influence will span both operational delivery and strategic foresight. You’ll also act as a trusted deputy to senior leadership, stepping in when needed and collaborating … Proven expertise in enterprise infrastructure (cloud, networks, virtualisation, storage). Strong understanding of cybersecurity frameworks and threat mitigation. Experience designing and maintaining resilient systems with high availability. Excellent stakeholder management and communication skills. Background in regulated industries (e.g., financial services, insurance, healthcare). Strategic mindset with hands-on technical credibility. Next Steps If you're a senior infrastructure leader More ❯
APIs). Design and deploy new systems, and perform regular upgrades to match security and vendor requirements. Monitor system health, daily checks, incident/problem/request queues, and capacity management. Ensure remediation of failed backup jobs, successful restores, and compliance with SLAs. Document and review procedures, support project planning, and represent storage at Change Advisory Board meetings. Provide More ❯