City of London, London, United Kingdom Hybrid/Remote Options
Randstad Digital
Linux Administrator Location: London (Hybrid … days in office) Permanent Availability: Immediate Joiner About the Role We’re seeking a highly skilled Linux Administrator with strong RedHatEnterpriseLinux (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 continuous … operational excellence. Collaborate effectively with cross-functional teams and communicate clearly with technical and non-technical stakeholders. Requirements Strong experience with RedHatEnterpriseLinux (RHEL) administration. Proven expertise with RedHat Satellite installation, configuration, and management. Hands-on experience with Ansible/AAP and Infrastructure as Code practices. Practical knowledge of VMware management More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Randstad Digital
Linux Administrator Location: London (Hybrid … days in office) Permanent Availability: Immediate Joiner About the Role We're seeking a highly skilled Linux Administrator with strong RedHatEnterpriseLinux (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 continuous … operational excellence. Collaborate effectively with cross-functional teams and communicate clearly with technical and non-technical stakeholders. Requirements Strong experience with RedHatEnterpriseLinux (RHEL) administration. Proven expertise with RedHat Satellite installation, configuration, and management. Hands-on experience with Ansible/AAP and Infrastructure as Code practices. Practical knowledge of VMware management More ❯
Platform Engineer to join their Platform Engineering Team (20+ team members). This is a hands-on technical role focused on automation, streaming platforms, and DevOps tooling across their enterprise infrastructure. You'll work within collaborative pods responsible for different application groups, building automation solutions, managing CI/CD pipelines, and implementing infrastructure-as-code . This role offers … OpenShift Implement privileged access management using CyberArk Utilize Splunk and Grafana for monitoring, logging, and performance analysis Perform SQL and Oracle database administration and troubleshooting Maintain Windows Server and Linux (RedHat) environments Collaborate with engineering teams, project managers, and suppliers on technical implementations Qualifications and Requirements: Strong scripting abilities (Python or PowerShell preferred; Bash or Perl …/Jenkins and BitBucket/GitLab Configuration management with Ansible (Ansible Tower is highly valued) SQL Server and Oracle database administration Windows Server (2012/2016/2019) and Linux (RedHat) system administration Desirable Skills: CyberArk, containerization (Docker/Kubernetes/OpenShift), monitoring tools (Splunk/Grafana), web servers (IIS/Tomcat), Active Directory, networking, virtualization More ❯
supporting secure infrastructure environments. This is a hands-on role requiring strong troubleshooting skills and deep technical knowledge across enterprise systems. Key Responsibilities Troubleshoot infrastructure issues across Windows, RHEL, SAN, GPOs, WSUS, AD, AppLocker Collaborate with Network, Engineering, and SOC teams to resolve end-user issues Handle escalated incidents directly with client leads Patch and maintain test/live … environments (Anti-Virus, WSUS, RHEL, etc.) Work with PKI certificates and SIEM tooling Support Engineering and Test teams Perform AD administration (accounts, groups, permissions) Participate in a 24/7/365 on-call support rota Required Skills Strong infrastructure experience including: VMWare vSphere Windows Server, AD, DNS, WSUS, RDS McAfee RHEL (RedHatEnterpriseLinuxMore ❯
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. … the 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 More ❯
Experience of developing low-level, high performance systems. Familiarity with Service Orientated Architecture, concurrency models and threading, multicast messaging or FIX message protocols would be advantageous. Key Skills: C++, RedHatLinux (ideally V7 or later), Low Latency/High Performance trading applications/platforms. Services offered by Computappoint Limited are those of an Employment Business and More ❯
control M, Autosys 4. DevOps & Automation Tools Experience with CI/CD tools (Jenkins, GitLab CI, etc.) Familiarity with scripting (bash, ant, Python/Perl scripts on LINUXRHEL etc.) to automate operational tasks 5. Cloud & Container Platforms Exposure to public cloud environments (AWS, GCP, or Azure) Experience in container orchestration, resource management, and monitoring 6. Problem Solving & Out 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 … 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 … continuity exercises 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 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 … 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 If you're More ❯
Linux Engineer We’re looking for a Linux Engineer to join a growing engineering function responsible for a high-performance computing (HPC) environment. You’ll be part of the team that owns and operates the Linux estate end-to-end, from OS build and configuration through to ongoing operational support. This role offers the chance to work … a highly specialised, large-scale compute environment while contributing to the evolution and automation of core infrastructure services. Key responsibilities: Build, configure, and maintain Linux environments (Rocky/RHEL) Develop and enhance automation using GitLab, Packer, Terraform, Ansible, and Ansible Galaxy Support secure infrastructure operations using tooling such as HashiCorp Vault and Temporal Work with HPC-related technologies including … Nvidia Spectrum X Contribute to continuous improvement across OS lifecycle management and automation pipelines Requirements: Strong experience working with Linux in automated or IaC-driven environments Hands-on experience with tools such as Terraform and Ansible Comfortable working across build, deployment, and operational support Hardware and networking experience is desirable but not essential Strong problem-solving skills and a More ❯
City, London, United Kingdom Hybrid/Remote Options
Saab UK
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) Good knowledge and More ❯
of leading-edge technology projects. Cognizant’s Cloud, Infrastructure & Security Services Practice provides end-to-end solutions covering architecture, design, implementation, management, and on-going support across the entire enterprise technology infrastructure. Our services include a spectrum of management, consulting, and systems integration services to help our clients maximize value in their infrastructure resources, while optimizing infrastructure performance and … Environment Linux Patch Management , Upgrades , Installation and Trouble shooting , Responsible to BAU Support. Manage Incident/Change/Problem/Asset Management using ITSM tool Service Now. Perform RHEL System Administration on RHEL7/8 and Amazon Linux 2. Support development teams with their AWS (Amazon Web Services) deployments and troubleshoot issues. Assist in configuration through amendment of … tools Knowledge of Docker or container-based systems Knowledge of AWS Services, such as EMR, Connect,CloudFormation, Lambda, SNS and SQS Knowledge ofChef and/or Ruby AWS or RHEL certification More ❯
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 Private medical & life … cover Enhanced parental leave Full-time onsite in City of London If you’re a Linux & Kubernetes expert who wants to push the limits of infrastructure performance in a fast-moving, high-impact financial setting - this role is for you. More ❯
exposure to how a world-class investment firm manages its technology infrastructure. Key Responsibilities Manage a distributed compute environment and several petabyte-scale storage systems Install, configure, and monitor RHEL-based Linux environments Troubleshoot hardware and software issues across the stack Develop and maintain automation scripts and tools (Python, Ruby, or Bash) Collaborate with internal teams and external vendors More ❯
business within CIB Global Markets trading room. The team provides technical support for all back-end components running on FX eTrading environments (more than 600 production servers – Windows or Linux) as well as interconnections with many external trading venues and other internal systems. Production platforms are mainly installed in London, New York, Tokyo and Singapore and most of them … as key requirement will be ability to develop tools for the benefit of our production teams as well as develop further automation within our global platforms Strong understanding of Linux (Redhat) operating systems to be able to tune operating systems platforms for optimum performance Strong all-around IT background and ideally experience in electronic trading markets on similar environments 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 … service 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 … 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 | RHELMore ❯
that this is a fully on site role, and candidates for this role are required to hold an active DV security clearance. The role Hexegic are looking for a Linux engineer to join our wider team working on the stability of applications deployed across security cleared environments. About us Hexegic are a leading technical consultancy providing agile multi-disciplinary … to high performing organisations. The company promises exciting, engaging and rewarding projects for those that are keen to develop and build a successful career. Core Responsibilities Maintain stability of Linux based applications Participate in project workshops, contributing to project planning and execution Oversee and manage system infrastructure in security cleared environments Ensure system security is maintained and continuously improved … What we are looking for Deep understanding and experience in Linux infrastructure Experience and strong interest in software development and DevOps work Experience with Rocky, CentOS and RedHat Linux distributions Active DV clearance is essential for this position What’s in it for you? Base salary of £80,000-£90,000 £5000 a year professional development budget Wellness More ❯