and networking performance tuning Familiarity with trading connectivity protocols (e.g. FIX/SBE) and back-testing frameworks Knowledge of FX cash and NDF products, and experience with Windows or Linux in a production environment Director-level experience preferred, though highly experienced VPs will be considered If you have deep eFX expertise and want to combine hands-on coding with technical More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Morson Talent
implement HPC environments supporting interactive and batch processing workloads, including MPI-capable systems. Deliver HPC solutions that are operating system agnostic, with a strong focus on both Windows and Linux platforms. Architect platform-agnostic HPC infrastructures compatible with major cloud providers, specifically MS Azure and AWS. Collaborate with engineering teams to optimise HPC toolsets and applications related to engineering design More ❯
strategy Experience of working in professional services consulting, ideally experience with the ‘Big-4’ or similar Understanding of the following concepts/technologies: LDAP; FIDO; SAML; OAUTH; Active Directory; Linux; Databases (SQL/JDBC); Networking (including High Availability, Fault Tolerance, etc), Virtualisation technology Implementation and project methodologies (e.g. PRINCE2/AGILE More ❯
london (city of london), south east england, united kingdom
Hyerhub
strategy Experience of working in professional services consulting, ideally experience with the ‘Big-4’ or similar Understanding of the following concepts/technologies: LDAP; FIDO; SAML; OAUTH; Active Directory; Linux; Databases (SQL/JDBC); Networking (including High Availability, Fault Tolerance, etc), Virtualisation technology Implementation and project methodologies (e.g. PRINCE2/AGILE More ❯
City of London, London, United Kingdom Hybrid / WFH Options
REC SOLUTIONS LIMITED
Lead Systems Administrator: Linux Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background, REC Solutions Limited does not discriminate in regards to age, gender, national origin, religion or any other basis. Do you want to join a well-established growing financial services/FinTech (Financial Technology) company who are forward thinking … and working with cutting edge technologies? a fantastic opportunity has arisen for aLead Systems Administrator - Linux to join a friendly collaborative team. Ideally, we seek candidates who have a strong technical background coupled with the ability/experience to lead and manage a team. The successful candidate will be both technically astute and a strong people manager. Benefits (not exhaustive … list): Lead Systems Administrator (Linux) Competitive salary 25 days annual leave - not including bank holidays Can opt to join Private Medical insurance scheme Hybrid working Flexible working hours Company pension Group Policies Life Assurance, Income Protection and Critical Illness Discretionary bonus Electric Car Scheme Enhanced Maternity and Paternity Policy Workplace Nursery Scheme Length of service holiday entitlement Company Culture: Lead More ❯
City of London, London, United Kingdom Hybrid / WFH Options
REC SOLUTIONS LIMITED
Linux Sys Admin Manager Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background, REC Solutions Limited does not discriminate in regards to age, gender, national origin, religion or any other basis. Do you want to join a well-established growing financial services/FinTech (Financial Technology) company who are forward thinking … and working with cutting edge technologies? a fantastic opportunity has arisen for a Linux Sys admin Manager to join a friendly collaborative team. Ideally, we seek candidates who have a strong technical background coupled with the ability/experience to lead and manage a team. The successful candidate will be both technically astute and a strong people manager. Benefits (not … exhaustive list) - Linux Sys admin Manager Competitive salary 25 days annual leave - not including bank holidays Can opt to join Private Medical insurance scheme Hybrid working Flexible working hours Company pension Group Policies Life Assurance, Income Protection and Critical Illness Discretionary bonus Electric Car Scheme Enhanced Maternity and Paternity Policy Workplace Nursery Scheme Length of service holiday entitlement Company Culture More ❯
global trading exchanges, and owns market data feeds. As well as an accomplished engineer, the role would require someone to communicate business issues into software solutions. Stack: C++, Python, Linux, SQL The role would connect elements of quant trading, data engineering and high performance C++, allowing you to gain exposure across this hedge funds systematic business. Please do apply More ❯
london (city of london), south east england, united kingdom
Paragon Alpha - Hedge Fund Talent Business
global trading exchanges, and owns market data feeds. As well as an accomplished engineer, the role would require someone to communicate business issues into software solutions. Stack: C++, Python, Linux, SQL The role would connect elements of quant trading, data engineering and high performance C++, allowing you to gain exposure across this hedge funds systematic business. Please do apply More ❯
per week in the Office Requirements: Minimum of 2years hands-on experience with KDB+ Solid understanding of q language and time-series data structures Experience working in Unix/Linux environments Understanding of software development methodologies and SDLC Excellent client-facing/stakeholder communication skills Desirable experience in Investment Banking/Capital Markets If you're actively seeking or scouting More ❯
days per week in Office Requirements: Minimum of 2years hands-on experience with KDB+ Solid understanding of q language and time-series data structures Experience working in Unix/Linux environments Understanding of software development methodologies and SDLC Excellent client-facing/stakeholder communication skills Desirable experience of Investment Banking/Capital Markets If you're actively seeking or scouting More ❯
and classical ML/CV concepts. Strong understanding of end-to-end model lifecycles, including data collection, preparation, training, evaluation, and deployment. Experience with Docker and comfort working across Linux, macOS, and Windows environments. Demonstrated ability to teach or mentor teams and developers through courses, bootcamps, workshops, or community engagement. Comfort leading workshops, writing technical guides, or presenting to developer More ❯
Investment Banking who are looking for a Stratus Systems Admin. The role will involve L1-L3 support for Stratus VOS, resolving tickets. Requirements: Stratus experience, OpenVOS, V4408, Storgate. UNIX, Linux SAN, Storage, Networking. Experience working in L1-L3 Support. Desirable Rose Stramon, Rose BUD, Rose COMB. Rose CARE. Given the niche nature of the role there is some flexibility on More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Noir
Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 9, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over the world to attract, engage, and delight customers by delivering inbound experiences that are relevant … helpful, and personalized. Having recently launched in the UK, they looking to hire Graduate/Junior Developer (Python, Linux, C#, Java)) to become a part of their ever-growing family. They believe that individual developers are in the best position to make decisions about what should be created, and how it should be built. Within their setup those decisions are … of learning. These roles would be suitable Graduate/Junior Developer who have recently graduated from university and have a basic understanding of any of the following technologies: Python, Linux, C# or Java; which might have been acquired as part of your degree course or through a placement year in industry. At the center of our client's culture is More ❯
obstacles and is driven to succeed Works well under pressure to meet deadlines Rapid adaptability in terms of technology and approach are key Desirable Skills and Technologies: Either strong Linux sys admin and KVM skills or VMware - ESX, vCentre, Clustering, HA, DRS, vRealize, Update Manager, hardening, storage integration, deep trouble shooting A proven track record in technical computing-based environments … A deep understanding of Linux and its broader eco system Deployment automation technologies The ability to code, especially Infrastructure as code Network design, implementation, and administration A track record in the design and application of systems, leveraging automation technologies A deep understanding of Virtualisation and Container technologies Design of large, complex systems including practical experimentation and development skills Has both … Knowledge or appreciation of some the listed technologies; Foreman; Puppet; Satellite; Ansible; Nagios; AI/ML; Big Data; Elastic Search; IaaS; PaaS; HPC; DevOps; AWS; Azure; Kubernetes, Docker, OpenShift; Linux based applications What we will do for you: Competitive compensation Pension scheme DXC Select Our comprehensive benefits package (includes private health/medical insurance, childcare vouchers, gym membership and more More ❯
Central London, London, United Kingdom Hybrid / WFH Options
Ashdown Group
A well-established software business is seeking an experienced Linux Systems Administrator to join its team based in London. As the business embraces flexibility, you will be able to work from home up to 2 days per week. Reporting into the IT Director, you will be responsible for the maintenance, performance and security of Linux-based systems across a multi … site environment. You will manage critical infrastructure including AWS services, firewalls and severs and drive process automation through scripting. You will be a key player in optimising Linux servers and delivering first class AWS solutions. In order to be suitable for this role, you must have demonstrable experience configuring, supporting and enhancing Linux systems. You will be comfortable with network … security, cloud infrastructure (AWS) and automation. You will hold in-depth knowledge of Linux distributions (RedHat, CentOS, Debian), have advanced Bash or Terraform scripting experience and strong hands-on experience of managing AWS cloud services. Relevant certifications including AWS Certified SysOps Administrator, RedHat Certified Engineer are advantageous to your application but by no means necessary. This is a fantastic opportunity More ❯
Central London, London, United Kingdom Hybrid / WFH Options
Ashdown Group
A well-established software business is seeking an experienced Linux Systems Administrator to join its team based in London. As the business embraces flexibility, you will be able to work from home up to 2 days per week. Reporting into the IT Director, you will be responsible for the maintenance, performance and security of Linux-based systems across a multi … site environment. You will manage critical infrastructure including AWS services, firewalls and severs and drive process automation through scripting. You will be a key player in optimising Linux servers and delivering first class AWS solutions. In order to be suitable for this role, you must have demonstrable experience configuring, supporting and enhancing Linux systems. You will be comfortable with network … security, cloud infrastructure (AWS) and automation. You will hold in-depth knowledge of Linux distributions (RedHat, CentOS, Debian), have advanced Bash or Terraform scripting experience and strong hands-on experience of managing AWS cloud services. Relevant certifications including AWS Certified SysOps Administrator, RedHat Certified Engineer are advantageous to your application but by no means necessary. This is a fantastic opportunity More ❯
City of London, London, United Kingdom Hybrid / WFH Options
McGregor Boyall Associates Limited
optimisations and kernel-bypass techniques ?? What We're Looking For: Deep understanding of systems-level programming (Rust, C, C++) Experience with manual memory management , concurrency , and multithreading Familiarity with Linux internals , system calls, and networking (e.g., epoll, io_uring) Bonus points for experience with: Kernel bypass (Solarflare, DPDK) Building custom allocators or working in no_std environments Prior work in … trading, real-time systems , or performance-sensitive environments (previous finance experience not crucial) ?? Tech Stack Highlights: Rust, Linux, GitHub, CI/CD (CircleCI), Docker, TCP/UDP, Playwright (some teams), OpenOnload, AWS ?? The Offer: Base salary up to ~£140,000 depending on experience Hybrid working: 2-3 days/week in a London office Excellent benefits: pension, medical, 27+ days More ❯
Database Administrator Location: Central London At DXC Technology, delivering excellence for our customers and colleagues is more than just a motto, its something we strive towards constantly through our work. Every day we deliver mission critical services in a secure More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Ashdown Group
A multinational business based in Central London is looking for a certified Red Hat Engineer (RHCE or RHCSA) with deep Linux experience to join its sizeable IT team. Please note that the firm embraces flexible and hybrid working so you will be able to work from home 2 days per week. In order to be suitable for this role of … significant responsibility you must have proven experience with Red Hat Enterprise Linux. You will be able to design, implement and optimize solutions and build Linux servers from scratch.Red Hat accreditation is required, while commercial experience with AWS would be highly desirable as the firm runs a hybrid technical environment. The purpose of the role is to ensure high systems availability … to ensure solutions are designed for successful deployment and will contribute to the continuous improvement of performance, security and cost optimisation. This is an excellent opportunity for an accomplished Linux Engineer to join a market leading business that offers an excellent range of benefits and clearly defined career path. More ❯
Southwark, Greater London, Surrey Quays, United Kingdom
Platform Recruitment
applications to join an established team of C++ focused engineers working on classified projects. The role: Greenfield development of signal processing, image processing and network security projects (C++) Configuring Linux systems Training and supporting user base of your products Mentoring and leading more junior team members Requirements: Have a strong STEM degree Strong academic background (A's at A-level … for example) 3 years+ experience C++ development experience Confidence in Linux systems Developed complex systems If you are interested learning more, please contact (email address removed). com for more information or a confidential chat. More ❯
Voice engineer – Avaya Contact Centre 6 month contract Either Camberley, Bromley or Chester Inside ir35 About the Role: Everyday our associates rely on infrastructure, applications and solutions engineered by the Real Time Communications. As a team, we have a responsibility More ❯
london (city of london), south east england, united kingdom
Pontoon Solutions
Voice engineer – Avaya Contact Centre 6 month contract Either Camberley, Bromley or Chester Inside ir35 About the Role: Everyday our associates rely on infrastructure, applications and solutions engineered by the Real Time Communications. As a team, we have a responsibility More ❯
Driven Research Infrastructure! Position: Research Hardware Specialist Location: London Department: Advanced Research Computing & AI The order of skillset/desirability for a candidate for this role is as follows: Linux System Administration (any flavour) Cluster computing/Slurm GPU/CUDA Cloud computing A rare opportunity has emerged to become a founding member of a newly established AI and high More ❯
Central London, London, United Kingdom Hybrid / WFH Options
Verus Recruitment
updates and trainer development initiatives. Building and maintaining your own Red Hat certifications. The kind of person this would suit: An experienced IT trainer or instructor with a strong Linux or UNIX background. Fluent in English and either German or Dutch. Certified to RHCE level, or ready to get certified within your first two months. Confident delivering technical content in … for recruitment purposes. Applicants must have the right to work in the EU or the relevant permissions for business travel across Europe. Keywords: Red Hat Certification Jobs, RHCE Trainer, Linux Training Jobs Europe, Remote IT Instructor, Red Hat Jobs EMEA, DevOps Training Roles, Ansible Instructor, Dutch Speaking IT Jobs, German Tech Trainer Jobs, Virtual Classroom Trainer, IT Skills Instructor Remote More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Understanding Recruitment
Technical Account Manager A new and exciting opportunity has arisen for an Technical Account Manager to join a leading financial services organisation based in Central London, with the expectation to come in 2x per week. As the Technical Account Manager More ❯