London, South East, England, United Kingdom Hybrid/Remote Options
Certain Advantage
/NETCONF) and data formats ( XML/JSON ). Experience integrating automation into CI/CD pipelines using Git-based workflows. Comfortable working in Linux-based environments (RedHat, CentOS, Ubuntu). Knowledge of cloud networking (Azure/AWS VPCs, Transit Gateways, VPNs). Excellent documentation, troubleshooting, and stakeholder communication skills. Certifications such as Cisco CCNP/DevNet Professional preferred More ❯
South East London, London, United Kingdom Hybrid/Remote Options
Certain Advantage
/NETCONF) and data formats ( XML/JSON ). Experience integrating automation into CI/CD pipelines using Git-based workflows. Comfortable working in Linux-based environments (RedHat, CentOS, Ubuntu). Knowledge of cloud networking (Azure/AWS VPCs, Transit Gateways, VPNs). Excellent documentation, troubleshooting, and stakeholder communication skills. Certifications such as Cisco CCNP/DevNet Professional preferred More ❯
Networking - Routers, Switches and Firewalls including Cisco - able to configure and troubleshoot mid-range switches and set up/troubleshoot VLANs Strong Linux/Unix System Administration Beneficial - RedHat, Ubuntu, Solaris. Core understanding of Databases - SQL Server/Oracle. Experience with any of the ISV’s products - Trading Technologies, Stellar, ULLink, WebICE, Object Trading, Fidessa, ION/Patsystems, Trayport. More ❯
Coulsdon, Surrey, United Kingdom Hybrid/Remote Options
Sky
and adaptability to thrive in a fast-paced, constantly evolving digital environment. A solid track record in both technical roles and mentoring responsibilities. Technical competency in Linux system administration (Ubuntu), monitoring tools (Prometheus, Nagios, Icinga), and cloud platforms (AWS, GCP) including deployment and automation. Hands-on experience with CDN tools (e.g., Akamai, Fastly), networking (load balancing, routing, switching), databases More ❯
across monitoring, CI/CD, and deployment pipelines Mentor engineers and guide technical decisions within a fast-paced, cross-functional environment What you’ll bring Strong Linux administration skills (Ubuntu preferred) Hands-on experience with AWS and GCP Proficiency in Terraform, Ansible, Jenkins, or GitLab CI Knowledge of Kafka, Cassandra, and relational or NoSQL databases Scripting skills in Python More ❯
across monitoring, CI/CD, and deployment pipelines Mentor engineers and guide technical decisions within a fast-paced, cross-functional environment What you’ll bring Strong Linux administration skills (Ubuntu preferred) Hands-on experience with AWS and GCP Proficiency in Terraform, Ansible, Jenkins, or GitLab CI Knowledge of Kafka, Cassandra, and relational or NoSQL databases Scripting skills in Python More ❯
London, South East, England, United Kingdom Hybrid/Remote Options
vertex-it-solutions
cloud security controls and working closely with the Security Operations Centre (SoC) to action vulnerability management and system patching. Manage and maintain our Windows and Linux (CentOS, Red Hat, Ubuntu) server estate, as well as core Microsoft services (AD, GPO, DNS, NPS/Radius, CA, SMTP Relay), and our extensive VMware vSphere/vCenter virtualisation platform. Administer and optimise More ❯
future of Linux systems at scale in a highly technical, low-latency environment What we’re looking for: 4+ years of deep Linux experience — ideally across RHEL, CentOS, or Ubuntu Strong coding skills in Python or Go (bonus points for C++ or Rust) Experience tuning system performance (kernel parameters, memory, scheduling, etc.) Knowledge of infrastructure-as-code tools (e.g. More ❯
future of Linux systems at scale in a highly technical, low-latency environment What we’re looking for: 4+ years of deep Linux experience — ideally across RHEL, CentOS, or Ubuntu Strong coding skills in Python or Go (bonus points for C++ or Rust) Experience tuning system performance (kernel parameters, memory, scheduling, etc.) Knowledge of infrastructure-as-code tools (e.g. More ❯
milliseconds matter. This role blends Linux engineering, network optimisation, and policy-driven security in one of London’s most forward-thinking technical environments. Tech you’ll work with: Linux (Ubuntu/RHEL) Kubernetes (bare-metal) Terraform, Ansible, Helm, Git BGP, Calico, Kyverno, OPA Python, Bash Why join? £100,000 basic + bonus 10% employer pension 30 days annual leave More ❯
London, South East, England, United Kingdom Hybrid/Remote Options
Charles Jenson Recruitment Ltd
very successful and growing team. Key skills required. Cloud infrastructure and Kubernetes Experience managing BareMetal Kubernetes GitOps workflows CI/CD including Terraform/ArgoCD/Ansible. Linux or Ubuntu Git Desired skills: Python scripting at a high level Comfortable deploying self-managed Kubernetes For more information, please contact Charles Jenson Recruitment. More ❯
learning. 😍 Benefits True hybrid working — no mandated office days . 25 days holiday + bank holidays + enhanced family leave. Competitive salary & equity package. High-spec laptop (macOS or Ubuntu). Team socials, breakfasts/dinners, and supportive onboarding. Cycle-to-work and EV schemes. More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Atarus
learning. 😍 Benefits True hybrid working — no mandated office days . 25 days holiday + bank holidays + enhanced family leave. Competitive salary & equity package. High-spec laptop (macOS or Ubuntu). Team socials, breakfasts/dinners, and supportive onboarding. Cycle-to-work and EV schemes. More ❯
resolve issues and provide expert input for technical briefings and project planning. Skills/Must have: Deep, hands-on expertise across various Linux distributions (such as Rocky, Debian, or Ubuntu). A proven track record in designing, building, and operating complex, high-availability distributed systems. Strong experience with modern infrastructure tooling, including monitoring/logging (e.g., Grafana, ELK), cloud More ❯
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 dispersed More ❯
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 dispersed More ❯
Replace legacy networking infrastructure with a Kubernetes-first architecture, treating pods as first-class citizens in a highly available, BGP-based leaf/spine fabric Lead systems administration on Ubuntu and RHEL systems, tuning OS configurations for performance, observability, and compliance Develop services like DNS-based discovery and egress gateways for smart routing of financial traffic Automate infrastructure using … Terraform, Ansible, Git, and CI/CD tooling What we’re looking for: Deep Linux/UNIX experience (Ubuntu & RHEL) Kubernetes administration expertise, ideally on bare-metal Solid understanding of networking (TCP/IP, BGP, VLANs, VRF) Scripting and IaC experience (Python, Bash, Helm, Terraform) Experience working in regulated environments with PAM, policy-as-code, and strong security posture More ❯
Ansible | Linux | Ubuntu | On-premise | Bare Metal | Kubernetes | Containerisation | K8s | Containers | PostgresSQL | GCP | Google Cloud | Openshift | RHEL Enjoy getting into the weeds of Containers? Working on Bare Metal Servers? Excited by the prospect of joining a scale up who're holding onto their closeknit feel? I've partnered a scaling and backed SaaS on their search for an SRE … as well as AI driven products to enable global leaders to make the work life place better for their staff and products. They work on a stack of Linux (Ubuntu), Ansible and Postgres to ensure their customers across FTSE100 and Fortune 500 are able to make data-centric decisions via the AI SaaS. Working on a team of … dental, extended parental leave and 2-3 days in Central London a week. If this suits and you want to hear more - apply or email robin.shaw@opusrs.com Ansible | Linux | Ubuntu | On-premise | Bare Metal | Kubernetes | Containerisation | K8s | Containers | PostgresSQL | GCP | Google Cloud | Openshift | RHEL More ❯
Ansible | Linux | Ubuntu | On-premise | Bare Metal | Kubernetes | Containerisation | K8s | Containers | PostgresSQL | GCP | Google Cloud | Openshift | RHEL Enjoy getting into the weeds of Containers? Working on Bare Metal Servers? Excited by the prospect of joining a scale up who're holding onto their closeknit feel? I've partnered a scaling and backed SaaS on their search for an SRE … as well as AI driven products to enable global leaders to make the work life place better for their staff and products. They work on a stack of Linux (Ubuntu), Ansible and Postgres to ensure their customers across FTSE100 and Fortune 500 are able to make data-centric decisions via the AI SaaS. Working on a team of … dental, extended parental leave and 2-3 days in Central London a week. If this suits and you want to hear more - apply or email robin.shaw@opusrs.com Ansible | Linux | Ubuntu | On-premise | Bare Metal | Kubernetes | Containerisation | K8s | Containers | PostgresSQL | GCP | Google Cloud | Openshift | RHEL More ❯
Overview OakNorth is a profitable business that has supported the growth of thousands of entrepreneurs with a new standard of business lending. We're looking for a Senior Fullstack Engineer to join our engineering team in building upon this success More ❯
performance platform purpose-built for AI, ML, LLM and Generative AI workloads. You will lead on architecture, deployment and performance tuning using technologies such as Kubernetes, NVIDIA Run:AI, Ubuntu, Weka NeuralMesh and HGX B200 GPU nodes. Once live, you will take ownership of the platform’s operation and evolution, ensuring it delivers consistent world-class performance for advanced … and AI infrastructure engineering What You’ll Be Doing • Designing, deploying and configuring a complete AI and ML operations platform within a large-scale HPC environment • Installing and optimising Ubuntu (Canonical) across GPU and non-GPU compute nodes • Implementing and managing Kubernetes for container orchestration and performance at scale • Installing and configuring NVIDIA GPU Operator, Network Operator and Run … patching, troubleshooting and continuous improvement What You’ll Bring • Proven experience designing, deploying and supporting HPC or large-scale compute environments for AI and ML workloads • Strong understanding of Ubuntu server administration, networking and performance tuning • Hands-on experience with Kubernetes and GPU-enabled workloads • Practical knowledge of NVIDIA GPU technologies, particularly GPU Operator and Run:AI • Familiarity with More ❯
performance platform purpose-built for AI, ML, LLM and Generative AI workloads. You will lead on architecture, deployment and performance tuning using technologies such as Kubernetes, NVIDIA Run:AI, Ubuntu, Weka NeuralMesh and HGX B200 GPU nodes. Once live, you will take ownership of the platform’s operation and evolution, ensuring it delivers consistent world-class performance for advanced … and AI infrastructure engineering What You’ll Be Doing • Designing, deploying and configuring a complete AI and ML operations platform within a large-scale HPC environment • Installing and optimising Ubuntu (Canonical) across GPU and non-GPU compute nodes • Implementing and managing Kubernetes for container orchestration and performance at scale • Installing and configuring NVIDIA GPU Operator, Network Operator and Run … patching, troubleshooting and continuous improvement What You’ll Bring • Proven experience designing, deploying and supporting HPC or large-scale compute environments for AI and ML workloads • Strong understanding of Ubuntu server administration, networking and performance tuning • Hands-on experience with Kubernetes and GPU-enabled workloads • Practical knowledge of NVIDIA GPU technologies, particularly GPU Operator and Run:AI • Familiarity with More ❯
AI/ML Operations platform for a prestigious academic institution. The role requires strong hands-on engineering expertise combined with solid consulting capabilities across AI/ML Engineering platforms, Ubuntu Server, NVIDIA Technologies (Run: AI, GPU Operator), Kubernetes containerisation, and High-Performance Computing (HPC) environments to ensure successful platform delivery and ongoing operational excellence. Key Responsibilities Deploy and configure … a complete AI/ML Ops platform, including Ubuntu OS, Kubernetes, NVIDIA GPU/Network Operators, and Run: AI orchestration Conduct knowledge transfer, installations, and validate platform performance against AI/ML development requirements Provide ongoing operational support and platform ownership, including monitoring, troubleshooting, and implementing updates/patches Deliver technical guidance to researchers and developers while engaging stakeholders … third-party vendors, and internal specialists throughout implementation and BAU phases Required Qualifications & Experience Strong experience deploying and supporting HPC environments for AI/ML workloads Extensive experience in Ubuntu server administration and Kubernetes cluster management experience Hands-on experience with NVIDIA GPU technologies (GPU Operator) and AI/ML orchestration platforms (Run: AI highly desirable) Understanding of networking More ❯
