2,876 to 2,900 of 3,071 Linux Jobs in the UK

L2) – Technical/Application Support Handle escalations from L1 and perform in-depth troubleshooting. Support system configurations, patching, and application deployments. Strong understanding of OS internals (Windows/Linux), Active Directory, networking (TCP/IP, DNS, VPN). LEVEL 3 (L3) – Advanced/Escalation/Engineering Support Perform deep-dive analysis into performance, security, and integration issues. Develop automation scripts More ❯

and supportive - you’ll be surrounded by engineers who share knowledge freely and work closely to build systems that perform at scale. You’ll work primarily in C++ on Linux, improving and expanding the core trading platform. Experience in exchange connectivity, algorithmic trading systems, low latency, or other front-office electronic trading environments will be essential here. While this is More ❯

L2) – Technical/Application Support Handle escalations from L1 and perform in-depth troubleshooting. Support system configurations, patching, and application deployments. Strong understanding of OS internals (Windows/Linux), Active Directory, networking (TCP/IP, DNS, VPN). LEVEL 3 (L3) – Advanced/Escalation/Engineering Support Perform deep-dive analysis into performance, security, and integration issues. Develop automation scripts More ❯

L2) – Technical/Application Support Handle escalations from L1 and perform in-depth troubleshooting. Support system configurations, patching, and application deployments. Strong understanding of OS internals (Windows/Linux), Active Directory, networking (TCP/IP, DNS, VPN). LEVEL 3 (L3) – Advanced/Escalation/Engineering Support Perform deep-dive analysis into performance, security, and integration issues. Develop automation scripts More ❯

lifecycles and security implications. Applied knowledge of cryptographic algorithms and secure systems design. Expertise in reverse engineering tools (e.g. Ghidra, IDA Pro) and debugging (e.g. GDB). Familiarity with Linux internals, embedded systems, and exploitation techniques. Passion for learning, testing systems, and uncovering security flaws. Additional Info: Applicants must be eligible for DV clearance. Flexible working arrangements available depending on More ❯

that integrates with enterprise systems. Required Skills & Experience: Extensive hands-on experience with Postfix in enterprise environments. Strong understanding of SMTP protocols, email routing, and mail security. Proficiency in Linux system administration (eg, RHEL, CentOS, Ubuntu). Experience in reading and implementing Low-Level Designs. Familiarity with TLS, SPF/DKIM/DMARC, SASL protocols Ability to integrate into core More ❯

and enterprise systems. Hands on experience with networking, firewalls, WiFi. Experience managing budgets, contracts and third-party vendors. Exposure to both on-premise and cloud technologies (Microsoft 365, Teams, Linux/Ubuntu). Track record of improving user experience through reliable, responsive IT support. Ability to deliver outcomes in a lean, fast-paced environment with limited resources. Experience managing geographically More ❯

and enterprise systems. Hands on experience with networking, firewalls, WiFi. Experience managing budgets, contracts and third-party vendors. Exposure to both on-premise and cloud technologies (Microsoft 365, Teams, Linux/Ubuntu). Track record of improving user experience through reliable, responsive IT support. Ability to deliver outcomes in a lean, fast-paced environment with limited resources. Experience managing geographically More ❯

and enterprise systems. Hands on experience with networking, firewalls, WiFi. Experience managing budgets, contracts and third-party vendors. Exposure to both on-premise and cloud technologies (Microsoft 365, Teams, Linux/Ubuntu). Track record of improving user experience through reliable, responsive IT support. Ability to deliver outcomes in a lean, fast-paced environment with limited resources. Experience managing geographically More ❯

and enterprise systems. Hands on experience with networking, firewalls, WiFi. Experience managing budgets, contracts and third-party vendors. Exposure to both on-premise and cloud technologies (Microsoft 365, Teams, Linux/Ubuntu). Track record of improving user experience through reliable, responsive IT support. Ability to deliver outcomes in a lean, fast-paced environment with limited resources. Experience managing geographically More ❯

and enterprise systems. Hands on experience with networking, firewalls, WiFi. Experience managing budgets, contracts and third-party vendors. Exposure to both on-premise and cloud technologies (Microsoft 365, Teams, Linux/Ubuntu). Track record of improving user experience through reliable, responsive IT support. Ability to deliver outcomes in a lean, fast-paced environment with limited resources. Experience managing geographically More ❯

and enterprise systems. Hands on experience with networking, firewalls, WiFi. Experience managing budgets, contracts and third-party vendors. Exposure to both on-premise and cloud technologies (Microsoft 365, Teams, Linux/Ubuntu). Track record of improving user experience through reliable, responsive IT support. Ability to deliver outcomes in a lean, fast-paced environment with limited resources. Experience managing geographically More ❯

and observing and recording results Skills and Experience Minimum 3 years' experience in a similar role Higher degree in Computer Science or Engineering; or similar experience Some knowledge of Linux Software development of product life cycles Experience of Microsoft Excel and Office Team-player, experience of working in teams Experience of Testing software To apply for the role of Support More ❯

APIs (Vulkan, CUDA) for low-latency. Work with streaming and networking systems to deliver massive data pipelines at scale. Develop cross-platform code that runs on both Windows and Linux (Ubuntu). Profile, debug, and tune performance across CPUs, GPUs, and networks. Requirements 5+ years of experience in C/C++. Hands-on experience with Vulkan or similar GPU APIs. More ❯

are critical to ensuring robust recovery strategies and secure infrastructure resilience following cyber incidents. What you'll need to succeed Cross-Platform Collaboration: Proven experience working collaboratively with Unix, Linux, and Windows infrastructure teams, particularly in scenarios involving system recovery. You will oversee and manage the recovery process while technical teams execute the recovery tasks. Cyber Incident Recovery Expertise: Demonstrated More ❯

are critical to ensuring robust recovery strategies and secure infrastructure resilience following cyber incidents. What you'll need to succeed Cross-Platform Collaboration: Proven experience working collaboratively with Unix, Linux, and Windows infrastructure teams, particularly in scenarios involving system recovery. You will oversee and manage the recovery process while technical teams execute the recovery tasks. Cyber Incident Recovery Expertise: Demonstrated More ❯

are critical to ensuring robust recovery strategies and secure infrastructure resilience following cyber incidents. What you'll need to succeed Cross-Platform Collaboration: Proven experience working collaboratively with Unix, Linux, and Windows infrastructure teams, particularly in scenarios involving system recovery. You will oversee and manage the recovery process while technical teams execute the recovery tasks. Cyber Incident Recovery Expertise: Demonstrated More ❯

optimising alpha pipelines, market adapters and execution engines that operate 24/7 across global venues. We're after C++20/23 engineers who live for performance, thrive in Linux, and can turn complex market logic into nanosecond-efficient code. If you've ever stared at perf traces for fun, built your own feed handler, or find beauty in a More ❯

post-deployment support. Deliver knowledge transfer and documentation for Business As Usual (BAU) teams. Required Skills & Qualifications: Profound knowledge of Zabbix architecture including server, proxy, and agent deployment. Strong Linux system administration skills including installation, tuning, and security. Experience in SNMP configuration and troubleshooting. Proficiency in dashboard development. Automation and scripting skills, particularly in Python and Bash for onboarding and More ❯

post-deployment support. Deliver knowledge transfer and documentation for Business As Usual (BAU) teams. Required Skills & Qualifications: Profound knowledge of Zabbix architecture including server, proxy, and agent deployment. Strong Linux system administration skills including installation, tuning, and security. Experience in SNMP configuration and troubleshooting. Proficiency in dashboard development. Automation and scripting skills, particularly in Python and Bash for onboarding and More ❯

providing help and support to the IT Service Desk to resolve any escalated issues. Experience ·Demonstrable experience in a technical (IT) infrastructure arena, incl. experience of Microsoft Operating Systems Linux Operating Systems Active Directory Cloud platforms Hardware management SAN storage Server virtualisation Back-up solutions Messaging & collaboration services Networked printing ·Able to demonstrate an analytical approach to work and troubleshooting More ❯

providing help and support to the IT Service Desk to resolve any escalated issues. Experience ·Demonstrable experience in a technical (IT) infrastructure arena, incl. experience of Microsoft Operating Systems Linux Operating Systems Active Directory Cloud platforms Hardware management SAN storage Server virtualisation Back-up solutions Messaging & collaboration services Networked printing ·Able to demonstrate an analytical approach to work and troubleshooting More ❯

the service sector Experience of working within an ITIL Service Organisation ITIL Foundation or higher accreditation Good knowledge of current technology including Microsoft operating platforms, virtualisation, cloud-based services, Linux, LAN and WAN For more information, please contact Lewis @ ARM on 02392228237 or Lewis.Dunn@ARM.co.uk More ❯

Skills & Experience: * Strong technical background in cyber security * Experience with application, cloud (AWS) , and infrastructure security * Proven hands-on experience with EDR/NDR tools , particularly CrowdStrike * Proficient with Linux and databases such as MySQL , PostgreSQL , Apache , and PHP * Knowledge of ISO 27001 , Cyber Essentials , and general security frameworks What you get in return: * Up to £60,000 per annum More ❯

the service sector Experience of working within an ITIL Service Organisation ITIL Foundation or higher accreditation Good knowledge of current technology including Microsoft operating platforms, virtualisation, cloud-based services, Linux, LAN and WAN For more information, please contact Lewis @ ARM on 02392228237 or Lewis.Dunn@ARM.co.uk More ❯