Linux Engineer 6-month contract Remote My Customer is looking for a skilled and motivated Linux Engineer to join their growing infrastructure team. This role is ideal for someone with solid experience in Linux systems administration, particularly in RedHat environments, and a strong understanding of automation tools such as Ansible or Puppet. The Linux Engineer will be responsible for day-to-day Linux system operations, configuration management, patching, and helping drive DevOps practices across … the environment. Key Skills & experience from the Linux Engineer: Strong experience in Linux system administration In-depth knowledge of RedHatEnterpriseLinux (RHEL) Hands-on experience with RedHat Satellite Automation skills using Ansible or Puppet (Ansible preferred) Familiarity with DevOps tools and principles Shell scripting and command-line expertise Strong More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
VIQU IT Recruitment
Linux Engineer – 6-month contract – Remote My Customer is looking for a skilled and motivated Linux Engineer to join their growing infrastructure team. This role is ideal for someone with solid experience in Linux systems administration, particularly in RedHat environments, and a strong understanding of automation tools such as Ansible or Puppet. The Linux Engineer will be responsible for day-to-day Linux system operations, configuration management, patching, and helping drive DevOps practices across … the environment. Key Skills & experience from the Linux Engineer: Strong experience in Linux system administration In-depth knowledge of RedHatEnterpriseLinux (RHEL) Hands-on experience with RedHat Satellite Automation skills using Ansible or Puppet (Ansible preferred) Familiarity with DevOps tools and principles Shell scripting and command-line expertise Strong More ❯
London, Victoria, United Kingdom Hybrid / WFH Options
VIQU IT
Linux Engineer – 6-month contract – Remote My Customer is looking for a skilled and motivated Linux Engineer to join their growing infrastructure team. This role is ideal for someone with solid experience in Linux systems administration, particularly in RedHat environments, and a strong understanding of automation tools such as Ansible or Puppet. The Linux Engineer will be responsible for day-to-day Linux system operations, configuration management, patching, and helping drive DevOps practices across … the environment. Key Skills & experience from the Linux Engineer: Strong experience in Linux system administration In-depth knowledge of RedHatEnterpriseLinux (RHEL) Hands-on experience with RedHat Satellite Automation skills using Ansible or Puppet (Ansible preferred) Familiarity with DevOps tools and principles Shell scripting and command-line expertise Strong More ❯
IT assets within the development environment, ensuring compliance with company and regulatory standards such as ISO27001 and IEC62443. This role is ideal for engineers familiar with Windows Server domains, RedHatLinux, virtualisation, industrial networking, and working within regulated environments such as defence, energy, or critical infrastructure. Key Responsibilities: Product Development: ICS Infrastructure Design: Lead the design … inventory, tracking, and lifecycle management of all IT assets within the development environment, including both hardware and software, ensuring up-to-date documentation and optimal resource utilisation. Windows Server & RedHatLinux Management: Maintain, secure, and configure Windows Server domains and RedHatLinux environments to support the development and testing of ICS solutions. … virtual machines, monitoring system health, and automating deployment workflows for seamless operations. Vulnerability Assessments: Support vulnerability assessments of the development environment, including all networked systems, operating systems (Windows and Linux), and virtualisation platforms. Work with cybersecurity teams to identify and remediate security risks, ensuring the environment is protected against potential cyber threats. Cybersecurity & Compliance: Implement and enforce cybersecurity best More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Randstad Technologies Recruitment
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 ❯
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 ❯
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 ❯
london (city of london), south east england, united kingdom
Computappoint
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 ❯
This is an excellent opportunity forSenior Linux HPC Systems Administrator/Engineerprofessionals to be part of leading-edge technology projects. Cognizants 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 cost. Key Responsibilities Administer, configure, and maintain RHEL environments (specifically RHEL 8 & 9) ensuring stability, performance, and security. Provide hands-on support with high-end workstation hardware for scientists, promptly addressing hardware and software issues. Offer technical support … delivery. Maintain familiarity with MacOS systems to provide assistance when necessary. Required Skills Good enterprise IT experience with extensive hands-on expertise in RedHat EnterpriseLinux (RHEL), specifically RHEL 8 & 9. Proven experience with high-end workstation hardware setups and scientific application support. Demonstrated knowledge of scientific computing and experience in high performance compute environments, including experience More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Sanderson
Technical Lead, Linux, AIX, VMware, WindowsHybrid working£550 - £750 per day (umbrella engagement) Our client, a market leading national business, is looking to hire a contractor to technically lead a team of platform specialists covering spanning Linux/Red-hat, AIX, Windows and VMWare tech, to ensure computing services are secure, resilient and scalable. You will … suitable candidate will have experience of strong technical leadership and operational discipline. Engagement via Umbrella Company Only; all taxes & NI deducted at source. General responsibilities: Lead the operations of enterprise compute platforms e.g. Linux, AIX, Windows, VMware. Ensure compliance with patching, config standards and security. Manage End-of-Life (EoX) planning, upgrades, migrations etc. Oversee platform monitoring including … reporting on platform performance, incidents & compliance. Manage vendor relationships. Contribute to audits, IT risk assessments and compliance reporting. Identify opportunities for continuous improvement. Skills & experience required: Technical knowledge of Linux, AIX, Windows Server, VMware, and RedHat Demonstrated expertise in patch management Demonstrated expertise in configuration compliance Demonstrated expertise in performance tuning. ITIL operational management experience Knowledge More ❯
Technical Lead, Linux, AIX, VMware, Windows Hybrid working £550 - £750 per day (umbrella engagement) Our client, a market leading national business, is looking to hire a contractor to technically lead a team of platform specialists covering spanning Linux/Red-hat, AIX, Windows and VMWare tech, to ensure computing services are secure, resilient and scalable. You … suitable candidate will have experience of strong technical leadership and operational discipline. Engagement via Umbrella Company Only; all taxes & NI deducted at source. General responsibilities: Lead the operations of enterprise compute platforms e.g. Linux, AIX, Windows, VMware. Ensure compliance with patching, config standards and security. Manage End-of-Life (EoX) planning, upgrades, migrations etc. Oversee platform monitoring including … reporting on platform performance, incidents & compliance. Manage vendor relationships. Contribute to audits, IT risk assessments and compliance reporting. Identify opportunities for continuous improvement. Skills & experience required: Technical knowledge of Linux, AIX, Windows Server, VMware, and RedHat Demonstrated expertise in patch management Demonstrated expertise in configuration compliance Demonstrated expertise in performance tuning. ITIL operational management experience Knowledge More ❯
per day (umbrella engagement) Our client, an industry leading national business, is looking to hire a contractor to Team lead/manage a team of platform specialists covering spanning Linux/Red-hat, AIX, Windows and VMWare tech, to ensure computing services are secure, resilient and scalable. You will also drive automation and life-cycle management. The … suitable candidate will have experience of strong technical leadership and operational discipline. Engagement via Umbrella Company Only; all taxes & NI deducted at source. General responsibilities: Lead the operations of enterprise compute platforms e.g. Linux, AIX, Windows, VMware. Ensure compliance with patching, config standards and security. Manage End-of-Life (EoX) planning, upgrades, migrations etc. Oversee platform monitoring including … reporting on platform performance, incidents & compliance. Manage vendor relationships. Contribute to audits, IT risk assessments and compliance reporting. Identify opportunities for continuous improvement. Skills & experience required: Technical knowledge of Linux, AIX, Windows Server, VMware, and RedHat Demonstrated expertise in patch management Demonstrated expertise in configuration compliance Demonstrated expertise in performance tuning. ITIL operational management experience Knowledge More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Sanderson
per day (umbrella engagement) Our client, an industry leading national business, is looking to hire a contractor to Team lead/manage a team of platform specialists covering spanning Linux/Red-hat, AIX, Windows and VMWare tech, to ensure computing services are secure, resilient and scalable. You will also drive automation and life-cycle management. The … suitable candidate will have experience of strong technical leadership and operational discipline. Engagement via Umbrella Company Only; all taxes & NI deducted at source. General responsibilities: Lead the operations of enterprise compute platforms e.g. Linux, AIX, Windows, VMware. Ensure compliance with patching, config standards and security. Manage End-of-Life (EoX) planning, upgrades, migrations etc. Oversee platform monitoring including … reporting on platform performance, incidents & compliance. Manage vendor relationships. Contribute to audits, IT risk assessments and compliance reporting. Identify opportunities for continuous improvement. Skills & experience required: Technical knowledge of Linux, AIX, Windows Server, VMware, and RedHat Demonstrated expertise in patch management Demonstrated expertise in configuration compliance Demonstrated expertise in performance tuning. ITIL operational management experience Knowledge 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. … 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 ❯
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 ❯
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 ❯
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. … 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 ❯
and develop methods to measure the efficiency of products and processes Qualifications and Requirements: Minimum 3 years of IT experience with Windows Server (2012/2016/2019) and Linux (RedHat) system administration Database knowledge, including SQL Server and Oracle, with an understanding of performance monitoring and maintenance Experience with web Servers (IIS, Apache Tomcat), Active More ❯
london, south east england, united kingdom Hybrid / WFH Options
UnitedHealth Group
both utilize the same workload software which produces a seamless workflow, a quicker time-to-deliver, and partnerships that offer focused value. We work with platform owners across the enterprise to provide support and education around the security events their platforms produce. We deliver world-class event pipelines tailored for each owner's platform. Careers with Optum offer flexible … you may be interested in Required Qualifications: Bachelor's in Computer Science or similar. or equivalent experience Proven experience working within log collection setup and development Proven experience with RHELLinux Server OS Experience working with Google SecOps basic search queries Experience with BindPlane, LogStash, Kafka, and GitHub Operations Proficiency in Scripting/Programming with Python and Go Preferred … work on high and low-level designing Experience with Cloud Solution designs and setup for AWS, GCP and Azure Excellent understanding of Amazon Kinesis Data Streams Advanced Experience with RHELLinux OS Commands Advanced Experience with Go & Python Scripting/Programming Soft Skills: Proven good communications skills Proven good problem-solving attitude Proven ability to work independently or as More ❯
Collaborate with cross-functional teams to deliver robust and scalable trading solutions Skills and Experience Minimum 10 years of software development experience using C and C++ Advanced proficiency in Linux systems (e.g., system calls, multi-threading, IPC, sockets, scheduler) Knowledge of FIX/ITCH/OUCH protocols and hands-on experience building applications utilizing them Strong understanding of networking … applications Skilled in troubleshooting and performance optimization Working knowledge of financial instruments including Fixed Income, Money Markets, and Derivatives Experience with kernel bypass network drivers (e.g., Solarflare) Technology Stack LinuxRedHat gcc and SunPro compilers gdb and dbx debuggers Solace messaging bus Perforce version control More ❯
Collaborate with cross-functional teams to deliver robust and scalable trading solutions Skills and Experience Minimum 10 years of software development experience using C and C++ Advanced proficiency in Linux systems (e.g., system calls, multi-threading, IPC, sockets, scheduler) Knowledge of FIX/ITCH/OUCH protocols and hands-on experience building applications utilizing them Strong understanding of networking … applications Skilled in troubleshooting and performance optimization Working knowledge of financial instruments including Fixed Income, Money Markets, and Derivatives Experience with kernel bypass network drivers (e.g., Solarflare) Technology Stack LinuxRedHat gcc and SunPro compilers gdb and dbx debuggers Solace messaging bus Perforce version control More ❯
Collaborate with cross-functional teams to deliver robust and scalable trading solutions Skills and Experience Minimum 10 years of software development experience using C and C++ Advanced proficiency in Linux systems (e.g., system calls, multi-threading, IPC, sockets, scheduler) Knowledge of FIX/ITCH/OUCH protocols and hands-on experience building applications utilizing them Strong understanding of networking … applications Skilled in troubleshooting and performance optimization Working knowledge of financial instruments including Fixed Income, Money Markets, and Derivatives Experience with kernel bypass network drivers (e.g., Solarflare) Technology Stack LinuxRedHat gcc and SunPro compilers gdb and dbx debuggers Solace messaging bus Perforce version control More ❯
Collaborate with cross-functional teams to deliver robust and scalable trading solutions Skills and Experience Minimum 10 years of software development experience using C and C++ Advanced proficiency in Linux systems (e.g., system calls, multi-threading, IPC, sockets, scheduler) Knowledge of FIX/ITCH/OUCH protocols and hands-on experience building applications utilizing them Strong understanding of networking … applications Skilled in troubleshooting and performance optimization Working knowledge of financial instruments including Fixed Income, Money Markets, and Derivatives Experience with kernel bypass network drivers (e.g., Solarflare) Technology Stack LinuxRedHat gcc and SunPro compilers gdb and dbx debuggers Solace messaging bus Perforce version control More ❯
london (city of london), south east england, united kingdom
BGC Group
Collaborate with cross-functional teams to deliver robust and scalable trading solutions Skills and Experience Minimum 10 years of software development experience using C and C++ Advanced proficiency in Linux systems (e.g., system calls, multi-threading, IPC, sockets, scheduler) Knowledge of FIX/ITCH/OUCH protocols and hands-on experience building applications utilizing them Strong understanding of networking … applications Skilled in troubleshooting and performance optimization Working knowledge of financial instruments including Fixed Income, Money Markets, and Derivatives Experience with kernel bypass network drivers (e.g., Solarflare) Technology Stack LinuxRedHat gcc and SunPro compilers gdb and dbx debuggers Solace messaging bus Perforce version control More ❯