London, South East, England, United Kingdom Hybrid / WFH 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 / WFH 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 ❯
london (eltham), south east england, united kingdom Hybrid / WFH 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 ❯
scheme Flexible working hours Enhanced parental leave policies Employee Assistance Programme offering counselling sessions related to mental health, financial wellbeing and other topics Skills/Requirements : UNIX/Linux (Ubuntu & Red Hat) K8s (must; administration as well as best-practise for usage), Calico Enterprise (desirable) Networking, in particular TCP/IP in general as well as understanding routes, routing More ❯
scheme Flexible working hours Enhanced parental leave policies Employee Assistance Programme offering counselling sessions related to mental health, financial wellbeing and other topics Skills/Requirements : UNIX/Linux (Ubuntu & Red Hat) K8s (must; administration as well as best-practise for usage), Calico Enterprise (desirable) Networking, in particular TCP/IP in general as well as understanding routes, routing More ❯
Key Skills and Experience The ideal candidate will have expertise in the following technologies and skills: Technology/Skill Proficiency Level Linux Administration Proficient - CentOS, Red Hat, Ubuntu - Linux Scripting Infrastructure-as-Code and Automation Proficient - Ansible - Terraform (AWS Terraforming) - HashiCorp Packer AWS Cloud Services Proficient - AWS VPC and VPC Peering - AWS VPC Endpoints - AWS Transit Gateway - AWS Elastic More ❯
Key Skills and Experience The ideal candidate will have expertise in the following technologies and skills: Technology/Skill Proficiency Level Linux Administration Proficient - CentOS, Red Hat, Ubuntu - Linux Scripting Infrastructure-as-Code and Automation Proficient - Ansible - Terraform (AWS Terraforming) - HashiCorp Packer AWS Cloud Services Proficient - AWS VPC and VPC Peering - AWS VPC Endpoints - AWS Transit Gateway - AWS Elastic More ❯
London, South East, England, United Kingdom Hybrid / WFH 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 / WFH 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 ❯
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 ❯
City of London, London, United Kingdom Hybrid / WFH Options
Morgan Law
recovery preparation, and the on-call rota to deliver out-of-hours support when required. Qualifications Strong experience deploying and managing physical and virtual Linux systems (CentOS, Rocky Linux, Ubuntu) in an enterprise environment. You will understand web technologies and have experience supporting VLEs or large-scale LAMP applications. Solid shell scripting skills are essential, with desirable knowledge of More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Morgan Law
recovery preparation, and the on-call rota to deliver out-of-hours support when required. Qualifications Strong experience deploying and managing physical and virtual Linux systems (CentOS, Rocky Linux, Ubuntu) in an enterprise environment. You will understand web technologies and have experience supporting VLEs or large-scale LAMP applications. Solid shell scripting skills are essential, with desirable knowledge of 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 ❯
for out-of-hours support (when required) Provide third-line support and act as the final point of technical escalation Work with a variety of technologies including RHEL, CentOS, Ubuntu, VMware, and F5 load balancers Manage web services, LAMP stack applications, Samba servers, and authentication proxies Utilise tools such as Ansible, Katello, Nagios, Prometheus, and Grafana for configuration and … clear and up-to-date technical documentation Support knowledge sharing and training for first- and second-line teams Candidate profile: Strong hands-on experience in Linux system administration (RedHat, Ubuntu, etc.) Proven experience supporting enterprise-level infrastructure environments Familiarity with virtualisation (VMware) and configuration management tools (Ansible, Katello) Excellent problem-solving skills and ability to act as a technical More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Venn Group
for out-of-hours support (when required) Provide third-line support and act as the final point of technical escalation Work with a variety of technologies including RHEL, CentOS, Ubuntu, VMware, and F5 load balancers Manage web services, LAMP stack applications, Samba servers, and authentication proxies Utilise tools such as Ansible, Katello, Nagios, Prometheus, and Grafana for configuration and … clear and up-to-date technical documentation Support knowledge sharing and training for first- and second-line teams Candidate profile: Strong hands-on experience in Linux system administration (RedHat, Ubuntu, etc.) Proven experience supporting enterprise-level infrastructure environments Familiarity with virtualisation (VMware) and configuration management tools (Ansible, Katello) Excellent problem-solving skills and ability to act as a technical More ❯
