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 ❯
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 ❯
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 (city of london), south east england, united kingdom
Arrows
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 ❯
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 ❯
london (city of london), south east england, united kingdom
Harrington Starr
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 ❯
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 ❯
london (city of london), south east england, united kingdom
Denu Recruit
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 (city of london), south east england, united kingdom
Harrington Starr
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 ❯
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 ❯