1 to 25 of 48 Linux Jobs in Central London

Experience/Qualifications Essential requirements Demonstrable knowledge and experience in 3 or more of the following: Microsoft Windows Server Microsoft SQL Server Networking (Load balancing, Firewalls, TCP/IP) Linux (Debian or RHEL) Telephony/UC (SIP, ACD, VOIP) Active Directory (ADFS, domain management, users/groups, policies, certificates etc.) Infrastructure management and maintenance (COTS hardware & Virtualisation - VMware, Hyper-V More ❯

Maintain detailed incident records and conduct post-incident reviews. Technical Skills Hands-on experience with SIEM, EDR, IDS/IPS, and SOAR platforms. Strong knowledge of operating systems (Windows, Linux), network protocols, and packet analysis tools. Familiarity with scripting languages (Python, Bash, PowerShell). Experience with cloud security monitoring (AWS, Azure, GCP). Knowledge of frameworks such as NIST and More ❯

multi-client environments Strong hands-on understanding of: Cloud: Azure and/or AWS (architecture, migration, optimisation) Infrastructure: Windows Server, Active Directory, DNS/DHCP, Intune, Microsoft 365, and Linux Networking & Security: Firewalls, VPNs, routing, and endpoint management Backup & DR: Experience with enterprise backup solutions (e.g., Veeam, Datto) and disaster recovery planning Automation & Monitoring: Familiar with Terraform, PowerShell, Ansible, and More ❯

this job mainly focusses on information security, cybersecurity, and data security, including a wide scope, such as physical security of computer rooms, operating system level security of Windows and Linux, network security of firewall and other security devices, application security both development and testing phrases, terminal security, backup security, third party and supply chain security of IT service provider. Liaison More ❯

Senior C++ Developer (Python, SQL, Linux, Trading, FinTech, Financial Technology) This is a hybrid role, 2 days remote and 3 days in the office Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background, REC Solutions Limited does not discriminate in regards to age, gender, national origin, religion or any other ba More ❯

and feature enhancements Leading code reviews and enforcing best practice within a small, agile, focused team What you will need: Extensive commercial software development experience using C++ Unix/Linux experience Relevant degree in a numeric discipline, or equivalent work experience Excellent written and spoken English By applying to this job you are sending us your CV, which may contain More ❯

someone with a Microsoft tech-stack background who has experience as a .NET Developer with Software Security experience, Azure DevSecOps Consultant or even a good old fashioned Unix/Linux Systems Administrator. We want someone with a development/some form of coding background who has blossomed into Software Security/Cloud Security engineer. We NEED for you to have More ❯

threats, exploitation paths and risk tradeoffs in order to advise engineering teams on beneficial security features as well as prioritise management of defensive controls. Essential You live on the linux command line Your current research and experience back up your opinionated views on security practices and tradeoffs, which you love to openly debate and willingly share You're sought after More ❯

specifically Test driven development TDD Git Strong communication skills both with the team and externally SIP signalling/RTP Realtime Transport Protocol BDD (SpecFlow) SQL Docker Wireshark Distributed services Linux Team City (CICD) or similar Call Centre experience Asterisk Kamailio By submitting an application to Saab UK you consent to undertaking workforce screening activities that may include but are not More ❯

the team. Desirable skills: Basic familiarity with a programming or scripting language (e.g., Python, Shell). An interest in cloud services such as AWS, Azure or GCP. Comfortable using Linux or command-line environments. Willingness to learn and grow in a fast-paced consultancy environment. Entry requirements: A Level in STEM subject, or BTEC Diploma in STEM subject, or Level More ❯

and best practices) Experience with at least one JVM language (Java, Kotlin, Scala) is an advantage Background in distributed systems and large-scale compute frameworks Familiarity with Docker, Kubernetes, Linux environments, and CI/CD automation This role offers the chance to work on complex technical challenges at scale, with direct impact on high-performance computing platforms. If youre a More ❯

and best practices) Experience with at least one JVM language (Java, Kotlin, Scala) is an advantage Background in distributed systems and large-scale compute frameworks Familiarity with Docker, Kubernetes, Linux environments, and CI/CD automation This role offers the chance to work on complex technical challenges at scale, with direct impact on high-performance computing platforms. If you re More ❯

development experience in C++ 11 and Boost creating performant, scalable applications. • 2+ years of experience in networking (UDP, Multicasting, TCP, etc...), messaging, and algorithms. • 2+ years of experience on Linux systems. • Good understanding of modern development best practices and methodologies and good knowledge of Git/GitHub. • Python, including Pytest. • Knowledge of capital markets exchange connectivity on stocks (fixed income More ❯

and high-throughput, low-latency systems. Strong knowledge of data architecture and database design, with experience across relational, time-series, and high-availability database environments. Understanding of on-premises Linux-based infrastructure, and deploying and managing containerised/virtualised environments (AWS, OpenShift). Demonstrated ability to work within Agile/Scrum SDLC, translating business objectives into actionable user stories and More ❯

to Succeed: Degree educated in Information Technology, Computer Science, Software Engineering or other equivalent Certificate in SSCP, MCSA, RHCE, CCNP is preferred Experience in system administration (e.g. Windows Server, Linux) Experience in virtual technology products (e.g. VMware, Hyper-V) Experience in IT room and device administration Experience in project management Knowledge of principles of Information Technology Knowledge of database operations More ❯

the "HTML-first" approach. Optional Svelte experience. • Understands networking fundamentals including TCP/IP, DNS, HTTP/HTTPS, and WebSockets. Possess general software engineering skills, ideally in C# and Linux toolchains, Bash scripting and PowerShell. • Is familiar with relevant software and infrastructure security compliance frameworks and guidelines, e.g. OWASP, CVE and others. • Demonstrates strong written and verbal communication skills, with More ❯

performance challenges. Support configuration management and version control using GitHub and ClearCase. Ensure reliability and performance for real-time, mission-critical systems. Primary Skillset 5+ years of experience with Linux and Windows OS . Strong knowledge of C, Java, Oracle Database, SQL, and shell scripting . Experience reading/debugging logs and system files. Familiarity with GitHub and ClearCase . More ❯

in full before applying We need someone with a Microsoft tech-stack background who has experience as a Azure DevSecOps Consultant or even a good old fashioned Unix/Linux Systems Administrator. We want someone with a development/some form of coding background who has blossomed into Software Security/Cloud Security engineer. We NEED for you to have More ❯

in full before applying We need someone with a Microsoft tech-stack background who has experience as a Azure DevSecOps Consultant or even a good old fashioned Unix/Linux Systems Administrator. We want someone with a development/some form of coding background who has blossomed into Software Security/Cloud Security engineer. We NEED for you to have More ❯

developing software products for use within a Water/Hydrological Environment (e.g. flood risk and mitigation, etc.) Prior experience with Deep Learning Neural Network Platforms Previous experience with Enterprise Linux Platforms Experience of leading/mentoring a team of developers If you are interested in the role of Senior Full Stack Systems Developer, please do not hesitate to contact Caroline More ❯

Pulumi) and GitOps methodologies. Expertise in software engineering practices: unit testing, code reviews, documentation, debugging, and troubleshooting. Comprehensive understanding of technology stacks, from networks to applications. Solid understanding of Linux environments and Open Source technologies . A collaborative mindset, with experience working in Agile methodologies . This is an exciting opportunity for an experienced Senior Network DevOps/Platform Engineer More ❯

Pulumi) and GitOps methodologies. Expertise in software engineering practices: unit testing, code reviews, documentation, debugging, and troubleshooting. Comprehensive understanding of technology stacks, from networks to applications. Solid understanding of Linux environments and Open Source technologies . A collaborative mindset, with experience working in Agile methodologies . This is an exciting opportunity for an experienced Senior Network DevOps/Platform Engineer More ❯

Linux Administrator Location: London (Hybrid - 2 days in office) Permanent Availability: Immediate Joiner About the Role We're seeking a highly skilled Linux Administrator with strong Red Hat Enterprise Linux (RHEL) experience to join our infrastructure engineering team. The ideal candidate will bring hands-on expertise in system administration, automation, and virtualization, while maintaining a proactive engineering mindset focused on … existing processes, driving automation and operational excellence. Collaborate effectively with cross-functional teams and communicate clearly with technical and non-technical stakeholders. Requirements Strong experience with Red Hat Enterprise Linux (RHEL) administration. Proven expertise with Red Hat Satellite installation, configuration, and management. Hands-on experience with Ansible/AAP and Infrastructure as Code practices. Practical knowledge of VMware management and More ❯

Systems Should have worked on Power Systems applications for Distribution (VVC (Volt VAR Control, Automatic Feeder Rate etc) Experience with C++, Java, SQL or other related language. Experience with LINUX and Windows Operating Systems Design, implement, and optimize ADMS solutions to meet business needs and improve operational efficiency. More ❯

Expert-level Java development, including low-GC and lock-free patterns Proven background in FX trading systems, pricing, and risk management Deep understanding of CPU architecture, cache optimisation, and Linux performance tuning Expertise in networking and messaging (TCP, UDP, Multicast, FIX) Knowledge of quantitative instruments and algorithmic trading Experience implementing controls in automated trading environments Skilled in TDD, automated testing More ❯