Hereford, Herefordshire, West Midlands, United Kingdom Hybrid / WFH Options
Leidos Innovations UK Limited
coding for embedded systems (e.g., ESP32, ARM Cortex-based boards). Familiarity with low-level hardware interfacing, including serial comms, GPIO, USB, or SPI/I2C. Comfort working in Linux development environments. Strong problem-solving skills and attention to detail. Ability to adapt quickly to new hardware, tools, and use cases. Familiarity with unit testing, debugging tools, and Git-based More ❯
remove you from consideration. Basic Qualifications (Required Skills/Experience): 10+ years of combined experience in C++, python, Ada, C, Java 10+ years of combined experience in Windows and Linux Operating Systems 5+ years of combined experience with real-time software architecture and design methodologies 3+ years of experience with leadership in technical teams/projects Preferred Qualifications (Desired Skills More ❯
discipline. Remote means living elsewhere in Ireland About Red Hat is the world's leading provider of enterprise software solutions, using a community-powered approach to deliver high-performing Linux, cloud, container, and Kubernetes technologies. Spread across 40+ countries, our associates work flexibly across work environments, from in-office, to office-flex, to fully remote, depending on the requirements of More ❯
consideration. Basic Qualifications (Required Skills/Experience): 5 years of experience developing in C/C++ for real time embedded systems 5 years of experience with Windows OS and Linux/Red Hat OS 5 years of experience in using Software Development tools such as Git, Bitbucket, MS Visual Studio Preferred Qualifications (Desired Skills/Experience): Bachelor of Science degree More ❯
Maintain all documentation regarding network infrastructure. Responsible for solving highly technical and complex network-related issues. Position Requirements Requirements, Education, and Experience: 1. Proficient in Microsoft Windows, Apple, and Linux operating systems. 2. Strong knowledge of networking, specifically HPE/Aruba switches and Fortinet firewalls. 3. Familiarity with Fortinet FortiGate firewalls, FortiManager, and FortiAnalyzer is a plus. 4. Expertise in More ❯
consideration. Basic Qualifications (Required Skills/Experience): 5 years of experience developing in C/C++ for real time embedded systems 5 years of experience with Windows OS and Linux/Red Hat OS 5 years of experience in using Software Development tools such as Git, Bitbucket, MS Visual Studio Preferred Qualifications (Desired Skills/Experience): Bachelor of Science degree More ❯
Maintain all documentation regarding network infrastructure. Responsible for solving highly technical and complex network-related issues. Position Requirements Requirements, Education, and Experience: 1. Proficient in Microsoft Windows, Apple, and Linux operating systems. 2. Strong knowledge of networking, specifically HPE/Aruba switches and Fortinet firewalls. 3. Familiarity with Fortinet FortiGate firewalls, FortiManager, and FortiAnalyzer is a plus. 4. Expertise in More ❯
Maintain all documentation regarding network infrastructure. Responsible for solving highly technical and complex network-related issues. Position Requirements Requirements, Education, and Experience: 1. Proficient in Microsoft Windows, Apple, and Linux operating systems. 2. Strong knowledge of networking, specifically HPE/Aruba switches and Fortinet firewalls. 3. Familiarity with Fortinet FortiGate firewalls, FortiManager, and FortiAnalyzer is a plus. 4. Expertise in More ❯
Maintain all documentation regarding network infrastructure. Responsible for solving highly technical and complex network-related issues. Position Requirements Requirements, Education, and Experience: 1. Proficient in Microsoft Windows, Apple, and Linux operating systems. 2. Strong knowledge of networking, specifically HPE/Aruba switches and Fortinet firewalls. 3. Familiarity with Fortinet FortiGate firewalls, FortiManager, and FortiAnalyzer is a plus. 4. Expertise in More ❯
Maintain all documentation regarding network infrastructure. Responsible for solving highly technical and complex network-related issues. Position Requirements Requirements, Education, and Experience: 1. Proficient in Microsoft Windows, Apple, and Linux operating systems. 2. Strong knowledge of networking, specifically HPE/Aruba switches and Fortinet firewalls. 3. Familiarity with Fortinet FortiGate firewalls, FortiManager, and FortiAnalyzer is a plus. 4. Expertise in More ❯
year of related programming experience. Proficiency in coding languages such as HTML, CSS, JavaScript, PHP, SQL, and familiarity with frameworks like AJAX, ASP.NET, or similar technologies. Demonstrated experience with Linux and Microsoft Windows environments. Experience managing and troubleshooting database servers and web-based applications. 6. Knowledge of TCP/IP networking, common protocols (HTTP, HTTPS, FTP, DNS, SSH), and network More ❯
Linux Engineer – Up to £300k-£550k Total Comp | London We’re hiring for a Linux Engineer to join the Compute Engineering team at one of the most technically advanced hedge funds and market makers in the world (client name kept confidential). This is a rare opportunity to work on low-level Linux engineering that directly supports global trading and … research systems. This isn’t a typical Linux admin role. You won’t be managing users or installations — you’ll be writing the code that shapes the Linux OS itself , making kernel-level changes, tuning for ultra-low latency, and solving the kinds of problems that get escalated all the way to Red Hat. What you’ll be doing: Writing … and maintaining tools and infrastructure around the Linux OS Working closely with hardware and trading teams to fine-tune system performance Digging deep into memory, CPU, and I/O behavior to uncover and fix bottlenecks Automating the build, test, and release of custom Linux images Helping shape the future of Linux systems at scale in a highly technical, low More ❯
Linux Engineer – Up to £300k-£550k Total Comp | London We’re hiring for a Linux Engineer to join the Compute Engineering team at one of the most technically advanced hedge funds and market makers in the world (client name kept confidential). This is a rare opportunity to work on low-level Linux engineering that directly supports global trading and … research systems. This isn’t a typical Linux admin role. You won’t be managing users or installations — you’ll be writing the code that shapes the Linux OS itself , making kernel-level changes, tuning for ultra-low latency, and solving the kinds of problems that get escalated all the way to Red Hat. What you’ll be doing: Writing … and maintaining tools and infrastructure around the Linux OS Working closely with hardware and trading teams to fine-tune system performance Digging deep into memory, CPU, and I/O behavior to uncover and fix bottlenecks Automating the build, test, and release of custom Linux images Helping shape the future of Linux systems at scale in a highly technical, low More ❯
Linux Engineer – Up to £300k-£550k Total Comp | London We’re hiring for a Linux Engineer to join the Compute Engineering team at one of the most technically advanced hedge funds and market makers in the world (client name kept confidential). This is a rare opportunity to work on low-level Linux engineering that directly supports global trading and … research systems. This isn’t a typical Linux admin role. You won’t be managing users or installations — you’ll be writing the code that shapes the Linux OS itself , making kernel-level changes, tuning for ultra-low latency, and solving the kinds of problems that get escalated all the way to Red Hat. What you’ll be doing: Writing … and maintaining tools and infrastructure around the Linux OS Working closely with hardware and trading teams to fine-tune system performance Digging deep into memory, CPU, and I/O behavior to uncover and fix bottlenecks Automating the build, test, and release of custom Linux images Helping shape the future of Linux systems at scale in a highly technical, low More ❯
Linux Engineer – Up to £300k-£550k Total Comp | London We’re hiring for a Linux Engineer to join the Compute Engineering team at one of the most technically advanced hedge funds and market makers in the world (client name kept confidential). This is a rare opportunity to work on low-level Linux engineering that directly supports global trading and … research systems. This isn’t a typical Linux admin role. You won’t be managing users or installations — you’ll be writing the code that shapes the Linux OS itself , making kernel-level changes, tuning for ultra-low latency, and solving the kinds of problems that get escalated all the way to Red Hat. What you’ll be doing: Writing … and maintaining tools and infrastructure around the Linux OS Working closely with hardware and trading teams to fine-tune system performance Digging deep into memory, CPU, and I/O behavior to uncover and fix bottlenecks Automating the build, test, and release of custom Linux images Helping shape the future of Linux systems at scale in a highly technical, low More ❯
london (city of london), south east england, united kingdom
Denu Recruit
Linux Engineer – Up to £300k-£550k Total Comp | London We’re hiring for a Linux Engineer to join the Compute Engineering team at one of the most technically advanced hedge funds and market makers in the world (client name kept confidential). This is a rare opportunity to work on low-level Linux engineering that directly supports global trading and … research systems. This isn’t a typical Linux admin role. You won’t be managing users or installations — you’ll be writing the code that shapes the Linux OS itself , making kernel-level changes, tuning for ultra-low latency, and solving the kinds of problems that get escalated all the way to Red Hat. What you’ll be doing: Writing … and maintaining tools and infrastructure around the Linux OS Working closely with hardware and trading teams to fine-tune system performance Digging deep into memory, CPU, and I/O behavior to uncover and fix bottlenecks Automating the build, test, and release of custom Linux images Helping shape the future of Linux systems at scale in a highly technical, low More ❯
Linux/Kubernetes Engineer - - Investment Bank Up to £100,000 Basic salary 5-days a week onsite in City of London What’s on offer: 10% employer pension contribution Discretionary bonus 30 days holiday Private health and life insurance Enhanced parental leave Flexible working and wellbeing support About Join a tech-forward financial services firm combining 400+ years of heritage … big data and analytics – with the opportunity to expand into cloud where appropriate. What you’ll do: Design and manage highly available Kubernetes clusters across multiple datacentres Collaborate with Linux, infrastructure, and SOC/CERT teams to secure and optimise bare-metal environments Support mission-critical workloads including low-latency trading systems, leveraging tools like Calico, OPA/Gatekeeper, and … 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 More ❯
SENIOR INFRASTRUCTURE MAMAGER - GLOBAL FINANCIAL SERVICES £100,000 + Bonus + Benefits London Hybrid Working A prestigious financial institution seeks an experienced Head of Infrastructure to drive their global IT strategy and cloud transformation initiatives. Leading a team across More ❯
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Noir
DevOps Engineer - FinTech - Newcastle (Tech stack: DevOps Engineer, PowerShell, C#, Java, Python, Ansible, Terraform, Docker, Kubernetes, Docker Swarm, ELK, Grafana, CI/CD, TeamCity, SQL Server, Windows, Linux, Programmer, Developer, Architect, DevOps Engineer) Our client is a cutting-edge FinTech company with a reputation for innovation and excellence. They design and build advanced trading and analytics platforms used globally by … . Proven track record in building and maintaining CI/CD pipelines, preferably with TeamCity. Experience working with SQL databases, particularly Microsoft SQL Server. Comfort managing both Windows and Linux environments. The ability to communicate clearly with colleagues and clients to resolve challenges and deliver solutions. Desirable (but not essential): Working knowledge of Atlassian products such as JIRA or Bitbucket. More ❯
side organisation renowned for its technical innovation, robust systems, and industry-leading analytical capabilities. You’ll be part of a talented, collaborative Infrastructure Engineering team responsible for the global Linux estate supporting mission-critical systems. What You’ll Get Competitive base salary and comprehensive benefits package Exposure to cutting-edge enterprise and cloud technologies across global environments The chance to … for career progression within a dynamic, forward-thinking engineering team What You’ll Do Take ownership of the day-to-day management and stability of the organisation’s global Linux/Unix infrastructure, spanning on-premises and cloud environments. Build, optimise, and secure AWS environments using Infrastructure-as-Code tools such as Terraform. Develop and maintain automation frameworks for provisioning … to ensure readiness across all critical systems. Contribute to strategic discussions around infrastructure design, capacity planning, and future platform evolution. What You’ll Need Strong background in RHEL/Linux systems administration and automation Hands-on experience with AWS and related services (EC2, S3, IAM, RDS) Expertise in Terraform, Puppet, Foreman, and Unix shell scripting Solid understanding of networking fundamentals More ❯
side organisation renowned for its technical innovation, robust systems, and industry-leading analytical capabilities. You’ll be part of a talented, collaborative Infrastructure Engineering team responsible for the global Linux estate supporting mission-critical systems. What You’ll Get Competitive base salary and comprehensive benefits package Exposure to cutting-edge enterprise and cloud technologies across global environments The chance to … for career progression within a dynamic, forward-thinking engineering team What You’ll Do Take ownership of the day-to-day management and stability of the organisation’s global Linux/Unix infrastructure, spanning on-premises and cloud environments. Build, optimise, and secure AWS environments using Infrastructure-as-Code tools such as Terraform. Develop and maintain automation frameworks for provisioning … to ensure readiness across all critical systems. Contribute to strategic discussions around infrastructure design, capacity planning, and future platform evolution. What You’ll Need Strong background in RHEL/Linux systems administration and automation Hands-on experience with AWS and related services (EC2, S3, IAM, RDS) Expertise in Terraform, Puppet, Foreman, and Unix shell scripting Solid understanding of networking fundamentals More ❯
side organisation renowned for its technical innovation, robust systems, and industry-leading analytical capabilities. You’ll be part of a talented, collaborative Infrastructure Engineering team responsible for the global Linux estate supporting mission-critical systems. What You’ll Get Competitive base salary and comprehensive benefits package Exposure to cutting-edge enterprise and cloud technologies across global environments The chance to … for career progression within a dynamic, forward-thinking engineering team What You’ll Do Take ownership of the day-to-day management and stability of the organisation’s global Linux/Unix infrastructure, spanning on-premises and cloud environments. Build, optimise, and secure AWS environments using Infrastructure-as-Code tools such as Terraform. Develop and maintain automation frameworks for provisioning … to ensure readiness across all critical systems. Contribute to strategic discussions around infrastructure design, capacity planning, and future platform evolution. What You’ll Need Strong background in RHEL/Linux systems administration and automation Hands-on experience with AWS and related services (EC2, S3, IAM, RDS) Expertise in Terraform, Puppet, Foreman, and Unix shell scripting Solid understanding of networking fundamentals More ❯
side organisation renowned for its technical innovation, robust systems, and industry-leading analytical capabilities. You’ll be part of a talented, collaborative Infrastructure Engineering team responsible for the global Linux estate supporting mission-critical systems. What You’ll Get Competitive base salary and comprehensive benefits package Exposure to cutting-edge enterprise and cloud technologies across global environments The chance to … for career progression within a dynamic, forward-thinking engineering team What You’ll Do Take ownership of the day-to-day management and stability of the organisation’s global Linux/Unix infrastructure, spanning on-premises and cloud environments. Build, optimise, and secure AWS environments using Infrastructure-as-Code tools such as Terraform. Develop and maintain automation frameworks for provisioning … to ensure readiness across all critical systems. Contribute to strategic discussions around infrastructure design, capacity planning, and future platform evolution. What You’ll Need Strong background in RHEL/Linux systems administration and automation Hands-on experience with AWS and related services (EC2, S3, IAM, RDS) Expertise in Terraform, Puppet, Foreman, and Unix shell scripting Solid understanding of networking fundamentals More ❯
london (city of london), south east england, united kingdom
Tempest Vane Partners
side organisation renowned for its technical innovation, robust systems, and industry-leading analytical capabilities. You’ll be part of a talented, collaborative Infrastructure Engineering team responsible for the global Linux estate supporting mission-critical systems. What You’ll Get Competitive base salary and comprehensive benefits package Exposure to cutting-edge enterprise and cloud technologies across global environments The chance to … for career progression within a dynamic, forward-thinking engineering team What You’ll Do Take ownership of the day-to-day management and stability of the organisation’s global Linux/Unix infrastructure, spanning on-premises and cloud environments. Build, optimise, and secure AWS environments using Infrastructure-as-Code tools such as Terraform. Develop and maintain automation frameworks for provisioning … to ensure readiness across all critical systems. Contribute to strategic discussions around infrastructure design, capacity planning, and future platform evolution. What You’ll Need Strong background in RHEL/Linux systems administration and automation Hands-on experience with AWS and related services (EC2, S3, IAM, RDS) Expertise in Terraform, Puppet, Foreman, and Unix shell scripting Solid understanding of networking fundamentals More ❯
Overview SENIOR LINUX ARCHITECT (CORPIT) Bowhead seeks a Senior Linux Architect to lead the engineering and architecture of our enterprise RDT&E solutions centered around Red Hat Satellite and Ansible orchestration, critical to our Comply to Connect (C2C) initiative in Dahlgren, VA. The Senior Linux Architect will design and implement Red Hat Satellite and Ansible solutions, develop Ansible playbooks for … automation, ensure compliance with relevant standards, and provide expert-level troubleshooting for the entire NSWCDD Command. Responsibilities Utilize Red Hat Enterprise Linux system administration experience to provide technical problem solving and in-depth consulting relative to system operations Automate installation methods and system imaging (e.g. Kickstart/Ansible) Use cryptographic experience to set up public key infrastructure (PKI) to create … Configure a system to provide networking services, including HTTP/HTTPS, DNS, SMTP, SSH and NTP Qualifications Minimum eight or more years (8+) of experience in system administration of Linux-based servers and Linux-based workstations High School Diploma required; Bachelros degree preferred Ideal Linux Admin will have troubleshooting skills in RHEL 7/8/9 OS and basic More ❯