141 Linux Engineer jobs in the United Kingdom
Linux Engineer
Posted 1 day ago
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DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading at our own risk.
Headquartered in Chicago with offices throughout the U.S., Canada, Europe, and Asia, we trade a variety of asset classes including Fixed Income, ETFs, Equities, FX, Commodities and Energy across all major global markets. We have also leveraged our expertise and technology to expand into three non-traditional strategies: real estate, venture capital and cryptoassets.
We operate with respect, curiosity and open minds. The people who thrive here share our belief that it’s not just what we do that matters–it's how we do it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus.
DRW is actively seeking a Linux Engineer for our Linux Engineering Team. Our team is responsible for providing consistent, high performing, stable infrastructure for trading desks, developers, and our other internal customers. We take pride in enabling traders and engineers to run their applications at the bleeding edge. As a team, we are continually looking for ways to improve our system and make sure it runs smoothly. At DRW, we find ways to push all aspects of technology to their limit, and the Linux Engineering Team plays a key role. We don’t just churn through tickets; we actively engage with our users and seek to understand what they need from their Linux environment. We are systems engineers at heart: we take interest and responsibility for success above and below the OS layer. We are internally motivated people who take ownership of issues and projects and consistently follow through. If you have a strong belief in automation, consistency, scalability, and simple design, you’ll be right at home.
What you’ll be working on:
- Collaborating with a global Linux Engineering team for coordinating work, engineering projects, changes, and on-call schedules
- Serving as a liaison between the Linux Engineering team and trading desks and teams
- Configuring, deploying and maintaining DRW’s Linux environments in a declarative and repeatable manner using Ansible
- Actively monitoring the health of our entire Linux server environment using Prometheus; performing day to day troubleshooting
- Application packaging and maintenance of software repositories
- Evaluating and recommending new hardware and software technologies or solutions
You will be an ideal member of the team if you have:
- Experience working with configuration management tools, ideally Ansible (or Puppet, Chef, SaltStack)
- Scripting and automation experience with one or more of the following: Bash, Python, or another high-level programming language
- Highly adept at debugging and troubleshootingusing command line tools (e.g. ss, iostat, dig, ethtool)
- Extensive Linux support and engineering experience in a high availability environment (RedHat/Debian-based, or similar variants)
- Strong communication and documentation skills
- Excellent grasp of IP networking fundamentals, protocols and services
- Experience with monitoring/alerting with Prometheus/AlertManager/PagerDuty
For more information about DRW's processing activities and our use of job applicants' data, please view our Privacy Notice at .
#J-18808-LjbffrLinux Engineer
Posted 2 days ago
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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 .
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Unix / Linux Engineer
Posted 1 day ago
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Unix / Linux Engineer
Full Time / Permanent
Full-time onsite in Barrow in Furness
51k + Generous Benefits Package
(Benefits will include a mix of - Training, Medical Plan, Dental, Health, Pension, Group Income Protection, Eye Test, Gym Discount, Cycle to work scheme and many more.)
Willing / Eligible to undergo SC clearance (sole UK passport holder)
Deerfoot IT Recruitment is working on behalf of a leading Global Consultancy to source a Unix / Linux Engineer to join their growing team in Barrow-in-Furness. This is a full-time, permanent role offering a salary of 51,000 plus a comprehensive benefits package .
This role requires full-time onsite presence in Barrow-in-Furness. Due to the nature of the work, it is a requirement to obtain Security Check (SC) clearance. To obtain SC clearance, the successful applicant must have resided continuously within the United Kingdom for the last 5 years and sole UK passport holder.
The successful candidate will be responsible for supporting and maintaining Unix/Linux-based systems, responding to technical issues, performing routine maintenance and patching, and working closely with users to resolve system-related issues. A strong background in Solaris (10 & 11; ideally 8/9), scripting (Bash or Python), and system troubleshooting is essential.
Key Skills Required:
- Proven experience in Unix/Linux system administration
- Solaris 10 & 11 (ideally 8/9 also)
- Scripting in Bash and/or Python
- Troubleshooting hardware/software/network issues
- VMware and system monitoring tools (e.g. vROps)
- Strong customer service and communication skills
- Candidates must also be willing to provide on-call support on a rota basis.
If you're a motivated Unix/Linux professional looking for a new challenge within a secure and structured environment, we'd love to hear from you.
Linux / Unix Systems Engineer / Unix / Linux Infrastructure Engineer / Linux / Unix Systems Administrator / Linux Systems Engineer / Unix Systems Engineer / Unix / Linux IT Engineer / Linux Platform Engineer / Linux Systems Support Specialist / Linux Infrastructure Support Engineer / Unix / Linux System Support Analyst
Deerfoot Recruitment Solutions Ltd is a leading independent tech recruitment consultancy in the UK. For every CV sent to clients, we donate 1 to The Born Free Foundation. We are a Climate Action Workforce in partnership with Ecologi. If this role isn't right for you, explore our referral reward program with payouts at interview and placement milestones. Visit our website for details. Deerfoot Recruitment Solutions Ltd is acting as an Employment Agency in relation to this vacancy.
Unix / Linux Engineer
Posted 1 day ago
Job Viewed
Job Description
Unix / Linux Engineer
Full Time / Permanent
Full-time onsite in Barrow in Furness
51k + Generous Benefits Package
(Benefits will include a mix of - Training, Medical Plan, Dental, Health, Pension, Group Income Protection, Eye Test, Gym Discount, Cycle to work scheme and many more.)
Willing / Eligible to undergo SC clearance (sole UK passport holder)
Deerfoot IT Recruitment is working on behalf of a leading Global Consultancy to source a Unix / Linux Engineer to join their growing team in Barrow-in-Furness. This is a full-time, permanent role offering a salary of 51,000 plus a comprehensive benefits package .
This role requires full-time onsite presence in Barrow-in-Furness. Due to the nature of the work, it is a requirement to obtain Security Check (SC) clearance. To obtain SC clearance, the successful applicant must have resided continuously within the United Kingdom for the last 5 years and sole UK passport holder.
The successful candidate will be responsible for supporting and maintaining Unix/Linux-based systems, responding to technical issues, performing routine maintenance and patching, and working closely with users to resolve system-related issues. A strong background in Solaris (10 & 11; ideally 8/9), scripting (Bash or Python), and system troubleshooting is essential.
Key Skills Required:
- Proven experience in Unix/Linux system administration
- Solaris 10 & 11 (ideally 8/9 also)
- Scripting in Bash and/or Python
- Troubleshooting hardware/software/network issues
- VMware and system monitoring tools (e.g. vROps)
- Strong customer service and communication skills
- Candidates must also be willing to provide on-call support on a rota basis.
If you're a motivated Unix/Linux professional looking for a new challenge within a secure and structured environment, we'd love to hear from you.
Linux / Unix Systems Engineer / Unix / Linux Infrastructure Engineer / Linux / Unix Systems Administrator / Linux Systems Engineer / Unix Systems Engineer / Unix / Linux IT Engineer / Linux Platform Engineer / Linux Systems Support Specialist / Linux Infrastructure Support Engineer / Unix / Linux System Support Analyst
Deerfoot Recruitment Solutions Ltd is a leading independent tech recruitment consultancy in the UK. For every CV sent to clients, we donate 1 to The Born Free Foundation. We are a Climate Action Workforce in partnership with Ecologi. If this role isn't right for you, explore our referral reward program with payouts at interview and placement milestones. Visit our website for details. Deerfoot Recruitment Solutions Ltd is acting as an Employment Agency in relation to this vacancy.
Senior Linux Engineer
Posted today
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Role: Senior Linux Engineer
Location: Fully Remote - Must be UK based
Type: Full-time
Salary: Up to £65,000 + Benefits
Are you a Linux expert ready to take your skills to the next level in a fully remote, technically advanced environment? We are looking for a Senior Linux Engineer to join a leading Linux services and support consultancy, helping clients across sectors build, scale, and secure mission-.
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Senior Linux System Engineer - London
Posted 20 days ago
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Job Description
We are looking for a Senior System Engineer to join our client's London office.
Team / Role:
As a Senior System Engineer, you will:
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Provide technical support for the production environment, ensuring system stability and performance.
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Optimize infrastructure architecture in cloud environments to achieve best-in-class network performance.
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Debug kernel-level performance issues and resolve production incidents in real time.
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Tackle complex network and Linux-related challenges.
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Participate in infrastructure architecture design, including office expansion projects.
Required Skillset:
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Bachelors degree in Computer Science, Software Engineering, or a related technical discipline (or equivalent experience).
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10+ years of experience supporting Linux production environments and working in cloud infrastructure .
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Strong knowledge of modern Linux systems and systems programming concepts (e.g., sockets, virtual memory, process lifecycle).
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Extensive hands-on experience with Terraform, Bash, and Python.
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Proven ability to estimate project work and deliver results on schedule.
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Skilled in writing clear, concise, and comprehensive documentation.
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Previous experience leading a small team is preferred.
Preferred Background:
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Prior experience at a trading firm or with trading technology environments.
Linux Engineer, Low Latency/HFT
Posted 1 day ago
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Job Description
We are supporting a market leading provider of trading and liquidity services in their search for a Low Latency Linux engineer to optimise the internal and external trading infrastructure suite. The successful candidate will be enthused by the ongoing technical challenge posed by the evolution of the markets, client requirements and hardware. You will work with software engineers, quants and platform/infrastructure engineers on multiple projects at kernel-level to refine the RHEL platform.
This is not a banking role, so the potential for total compensation is a step up from that and reflects the fact that this role is responsible for pushing systems to their limits, not supporting them. Candidates should have experience of a majority of the following:
- Optimising CPU scheduling/CPU architecture knowledge
- Implementation/deployment of Solarflare, Infiniband, Exablaze, DPDK
- Precision timing, performance counters
- Strong RHEL engineering
This role is based in a City office 5 days per week
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Senior Linux Engineer (Edinburgh or Newcastle)
Posted 9 days ago
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We are seeking an on-siteSenior Linux Engineer, providing Linux support for one of our key public sector clients. This is a high-impact role within afast-paced and dynamic environment, focused on the support, troubleshooting, and continuous improvement.
Due to the customer requirements successful applicants must be eligible for high level UK Security clearance
Location: Edinburgh or Newcastle
The suc.
Linux Infrastructure Engineer
Posted 3 days ago
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Job Description
In this role, you'll work in one of our IBM Consulting Client Innovation Centres (Delivery Centres), where we deliver deep technical and industry expertise to a wide range of public and private sector clients around the world. Our delivery centres offer our clients locally based skills and technical expertise to drive innovation and adoption of new technology.
A career in IBM Consulting is rooted by long-term relationships and close collaboration with clients across the globe. You'll work with visionaries across multiple industries to improve the hybrid cloud and AI journey for the most innovative and valuable companies in the world. Your ability to accelerate impact and make meaningful change for your clients is enabled by our strategic partner ecosystem and our robust technology platforms across the IBM portfolio, including Software and Red Hat.
Curiosity and a constant quest for knowledge serve as the foundation to success in IBM Consulting. In your role, you'll be encouraged to challenge the norm, investigate ideas outside of your role, and come up with creative solutions resulting in ground-breaking impact for a wide network of clients. Our culture of evolution and empathy centres on long-term career growth and development opportunities in an environment that embraces your unique skills and experience.
We offer:
* Regular and frequent promotion and progression opportunities to ensure you can drive and develop your career with us
* Feedback and checkpoints throughout the year; no one off annual reviews here
* A multitude of training opportunities from classroom to e-learning, mentoring and coaching programs as well as the chance to gain industry recognized certifications
* Diversity & Inclusion as an essential and authentic component of our culture through our policies and process as well as our Employee Champion teams and support networks
* A culture where your ideas for growth and innovation are always welcome
* Internal recognition programs for peer-to-peer appreciation as well as from manager to employees
* Tools and policies to support your work-life balance from flexible working approaches, sabbatical programs, 1 month paid paternity leave, 16 weeks fully paid maternity leave and an innovative maternity returners scheme
* More traditional benefits, such as 25 days holiday, a gym discount scheme, online shopping discounts, an Employee Assistance Program, a group personal pension plan of an additional 5% of your base salary paid by us monthly to save for your future.
**Your role and responsibilities**
IBM is seeking a highly skilled and experienced Senior Linux Engineer to join our team on a significant public sector project. The ideal candidate will possess extensive knowledge of Linux systems, with a proven track record in managing, troubleshooting, and optimizing complex Linux environments. This role requires a professional who can effectively collaborate with cross-functional teams, exhibit strong problem-solving skills, and demonstrate a commitment to security and compliance requirements inherent to public sector projects.
**Required technical and professional expertise**
* Design, implement, and maintain secure, scalable, and high-performance Linux infrastructures.
* Lead in-depth system analyses, troubleshooting, and resolution of complex technical issues.
* Collaborate with system administrators, network engineers, and other stakeholders to optimize system performance and enhance security.
* Develop and enforce best practice guidelines for Linux system administration and security.
* Oversee and guide junior engineers, providing mentorship and technical training as needed.
* Conduct regular system audits to ensure adherence to security standards and compliance regulations.
* Stay abreast of emerging technologies and industry trends, recommending improvements to the current infrastructure.
* Participate in on-call rotation for critical system support and issue resolution outside normal business hours.
**Preferred technical and professional experience**
* Bachelor's degree in Computer Science, Information Technology, or related field; or equivalent years of experience in the industry.
* Hands-on experience in a Linux system engineering role.
* Expertise in at least two of the following distributions: Red Hat, CentOS, Ubuntu, or SUSE.
* Proven experience in automating tasks using scripting languages such as Bash, Python, or Perl.
* In-depth understanding of network protocols, services, and standards including TCP/IP, DNS, DHCP, NTP, and SSH.
* Strong knowledge of virtualization technologies (VMware, KVM) and containerization platforms (Docker, Kubernetes).
* Experience with configuration management tools like Ansible, Puppet, or Chef.
* Comprehensive understanding of storage solutions including NFS, iSCSI, and Fibre Channel.
* Familiarity with cloud platforms (AWS, Azure, IBM Cloud) is a plus.
* Possess relevant certifications such as RHCE (Red Hat Certified Engineer), RHCSA (Red Hat Certified System Administrator), or Linux+ from CompTIA. Additional certifications in cloud platforms or security domains would be beneficial.
* Experience working in a public sector environment.
* Knowledge of IBM's public sector projects and related technologies.
* Strong communication and interpersonal skills, with the ability to interface effectively with both technical and non-technical stakeholders.
* Excellent problem-solving abilities and a customer-centric approach.
IBM is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status, or other characteristics. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.
Linux Security Engineer
Posted 2 days ago
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Job Description
Intercity Technology is on the lookout for a driven and detail-orientedLinux Security Engineer to play a pivotal role in delivering secure, compliant, and high-performing IT services at a major customer site inNuneaton .
This is more than just a support role it's your opportunity to be at the heart of technical operations, project .
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