1 to 25 of 30 Contract Linux Jobs in London

Automation Engineer Storage & Platform (Python / CI/CD / APIs)

Hiring Organisation
Essential Consulting
Location
South East London, London, United Kingdom
Employment Type
Contract
Nice to have (not essential) Experience with storage or data protection platforms (e.g., enterprise storage, backup/recovery tooling) Knowledge of enterprise infrastructure environments (Linux, Windows, cloud platforms) Experience in regulated or large-scale enterprise environments Working Model Hybrid: 3 days per week onsite (London, Birmingham, or Edinburgh) 2 days ...

Senior Java Developer - Electronic Trading

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract
trading workflows Experience with RFQ lifecycles within larger trading ecosystems Solid grasp of: Object-Oriented Design Domain-Driven Design (DDD) Test-Driven Development (TDD) Linux systems experience Networking fundamentals: TCP, UDP, Ethernet, HTTP Hands-on experience with: Performance profiling and monitoring Fault-tolerant system design Infrastructure-as-Code (AWS, Ansible ...

DevOps Tech Lead- SC Cleared

Hiring Organisation
NSD
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£550 - £650 per day
secure operations. - Guide and mentor junior engineers, collaborate with cross-functional teams, and ensure alignment with architectural standards. - Apply hands-on experience with AWS, Linux, scripting, CMS platforms and troubleshooting across complex environments. TO BE CONSIDERED: Please either apply through this advert or emailing me directly on . For further ...

DevOps Tech Lead- SC Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £650 per day
secure operations.- Guide and mentor junior engineers, collaborate with cross-functional teams, and ensure alignment with architectural standards.- Apply hands-on experience with AWS, Linux, scripting, CMS platforms and troubleshooting across complex environments. TO BE CONSIDERED:Please either apply through this advert or emailing me directly on . For further ...

L3 Software Support/Application Support Consultant

Hiring Organisation
Hirexa Solutions UK
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£60,000 per annum
production support. Proficient in Java or a similar language; strong debugging skills and ability to write scripts for diagnostics and updates. Familiarity with Linux and bash. Clear, empathetic communicator capable of translating complex technical issues for diverse audiences. Demonstrated bias for action: resolve incidents while building long-term fixes ...

Senior Java Developer x 3

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£825 - £850/day Up to £850pd Umbrella
commercial software development experience in financial services, ideally investment banking. Strong experience with CI/CD pipelines. Strong experience with Oracle. Strong experience with Linux/Unix. Strong cloud experience, ideally AWS. Good knowledge across a range of asset classes. What you'll get in return : Up to £850pd Umbrella ...

Technical Lead - Active SC, Java

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day up to £550pd (Inside IR35)
Boot, React/HTML AWS Cloud Services experience Working experience with MySQL Nice to have: Technical hands-on experience with Terraform, Kibana, Apache Camel Linux in a containerised environment Immediate availability If you're interested in this role, click 'apply now' to forward an up-to-date copy of your ...

Application Support Engineer

Hiring Organisation
CMC Markets
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
mindset with a genuine passion for technology 5+ years’ experience in an IT or application support environment 2+ years’ experience working with Red Hat Linux (or other Unix variants), including scripting 2+ years’ experience supporting applications such as Java, .NET, Apache or IIS Desirable: Experience within the financial services ...

Senior KDB+ Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
plant, RDB, HDB, and associated patterns. Proven experience working with large datasets and optimising queries for performance and scalability. Strong background in Unix/Linux environments, including shell scripting for automation, monitoring, and operational tooling. Solid understanding of software delivery processes and methodologies (Agile, CI/CD, version control, release ...

DevOps Engineer - Active SC, Linux, AWS

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£425 per day
DevOps Engineer - Active SC, Linux, AWS Up to £425 per day - Inside IR35 London/Primarily Remote 6 months My client is an instantly recognisable consultancy who require 2 DevOps Engineers with Active SC Clearance for an end client within the Public Sector. Key Requirements: Proven commercial experience working … DevOps Engineer within the Public Sector. Active SC Clearance. Strong experience with Linux (RHEL/Ubuntu), AWS, and high-availability Kubernetes environments (EKS/RKE) including load balancing and multi-site failover. Proficient in containerisation and orchestration using Docker, Kubernetes, and Helm. Skilled in IaC and automation with Terraform, Ansible ...

Security Engineer - DevSecOps

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £800 per day
Email Security, Endpoint Protection). Build automation using Python, PowerShell, Bash. Implement IaC using Terraform and Ansible. Maintain secure baselines for Windows, Linux and Kubernetes. Automate IAM workflows and integrate identity governance into CI/CD. Support incident response, threat detection and Red/Blue team exercises. Maintain security documentation … 5+ years' experience in security engineering or DevSecOps. Strong knowledge of IAM (SailPoint, CyberArk, OAuth, SAML), scripting, CI/CD, Microsoft Defender, Windows/Linux/Kubernetes and network security tools (zScaler, Squid). Personal Qualities: Strong analytical and problem solving skills. Able to lead multiple projects and collaborate across ...

Mainframe Modernization Specialist

Hiring Organisation
Infoplus Technologies UK Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £600 per day Daily rates are within Inside IR35
/Sync Experience with Micro Focus Enterprise Server/Developer Strong background in: Application assessment & remediation Functional equivalence & regression testing Performance validation Exposure to Linux, SQL, scripting (Python/PowerShell/Perl) CI/CD experience (e.g., Jenkins) and AWS deployments ...

Linux Engineer Lead

Hiring Organisation
Pontoon
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £500 per day
identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job Title : Linux Engineer Lead Contract : Initial 6-Month Contract with potential to extend. Location : London - Hybrid (3 days in office) Rate : £450 - £500 inside umbrella About … role: We are establishing a new Linux and container platform capability within EMEA to support modern, resilient, and scalable infrastructure services. This role is critical to the design, build, and operation of that capability. The Linux Engineer lead is a hands-on technical role responsible for the engineering, stability ...

Linux Engineer / Architect

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day
Linux Engineer/Architect 6 Months Contract + with possible extension £550 a day inside IR35 London Based - 2 days in the office *Active SC Clearance is Needed* A well established IT Provider is looking for an experienced Linux Engineer/Architect with a proven track record of designing, building … availability for high-traffic environments. Key Responsibilities Provide expert-level guidance to engineering teams and lead root-cause analysis on complex system-wide issues. Linux Engineering: Manage and optimise a large-scale estate across RedHat, Ubuntu, and CentOS, ensuring peak performance of Apache, Nginx, and Tomcat stacks. Automation & IaC: Drive ...

App Developer | Outside IR35

Hiring Organisation
Sanderson
Location
South East London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £650 per day
databases and storage technologies: Elastic, Mongo, Cassandra, Redis, S3 Desirable Skills PyTorch, AI/ML, NLP, LLMs Experience with the Atlassian Suite, GitHub, Linux CLI Broader data handling and advanced model-driven development exposure To learn more, please do reach out to Tom Royston via email ...

App Developer Outside IR35

Hiring Organisation
Sanderson Government and Defence
Location
South East London, London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650 per day
databases and storage technologies: Elastic, Mongo, Cassandra, Redis, S3 Desirable Skills PyTorch, AI/ML, NLP, LLMs Experience with the Atlassian Suite, GitHub, Linux CLI Broader data handling and advanced model-driven development exposure To learn more, please do reach out to Tom Royston via email on Reasonable Adjustments: Respect ...

Azure Architect Linux

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
just design solutions; you will govern the technical strategy, mentor a dedicated team of engineers, and bridge the gap between deep technical Linux administration and high-level Azure cloud architecture. Key Responsibilities Cloud Strategy & Assessment: Lead end-to-end On-prem/Public Cloud assessments using Azure Migrate . … Level Design (LLD) documents, including comprehensive target architecture diagrams and Bill of Materials (BoM). Migration Execution: Drive large-scale migrations of Linux-based workloads to Azure, ensuring solutions align with TCO (Total Cost of Ownership) and ROI goals. Linux Mastery: Act as the Subject Matter Expert for Linux environments ...

Documentum (OpenText) specialist is needed for contract in the UK.

Hiring Organisation
DWI Consulting Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
applications for Documentum components, and be proficient in using iDQL or iAPI to investigate and resolve DFC-related issues. A good working knowledge of Linux, ideally RHEL-based environments, is expected. Any exposure to Legacy Documentum environments or experience supporting validation activities following upgrades or migrations would be advantageous. ...

Solace Middleware Engineer

Hiring Organisation
Reed Talent Solutions
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 700 - 720 Daily
messaging Middleware technologies and multicast messaging protocols. Specific experience with market-facing and low-latency infrastructure for Forex and Fixed Income trading. Strong Linux/Unix administration skills with focus on network and messaging performance tuning. Automation and Scripting proficiency (Python, Shell Scripting, SQL). Experience & Soft Skills: Strong experience ...

KDB+ Developer - Contract

Hiring Organisation
Revolution Technology Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 955 Daily
/O optimisation. System Design & Collaboration in Finance Context - experience building scalable solutions aligned to Risk/business needs, mentoring developers, and working within Linux-based, Agile, production environments Contract Details: Contract is running for 12 months initially Paying up to £955pd (Inside IR35 via Umbrella) 3 days per week ...

Booking and Messaging Java Developer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £625/day
socket programming and optimizing low-latency network communication. Modern Stack: Spring IoC/MVC, SQL (Sybase/PostgreSQL), and a solid grasp of Linux internals. Rate: £625 per day (Umbrella/Inside IR35) Location: London (Hybrid) Duration: 6 Months (Initial) Ideal Candidate You are a developer who possesses "mechanical sympathy ...

DevOps Engineer (SC + NPPV3 Cleared)

Hiring Organisation
Syntax Consultancy Ltd
Location
CR0 2TA, Croydon, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£500/day 500/day (Outside IR35)
available, secure + scalable AWS Cloud environments. In-depth AWS Services expertise including: EC2, RDS, Aurora PG, VPC, S3, IAM, CloudWatch, KMS, and Amazon Linux 2023. DevOps Tools: Terraform, Jenkins, Docker + Groovy pipelines experience. Scripting: Shell, Python, PowerShell, Perl, Java. PostgreSQL admin, performance tuning, HA, replication, backup/… Tasks: troubleshooting, root cause analysis, 24/7 production, managing technical escalations, leading workshops, supporting Agile teams + removing delivery blockers. Advantageous Skills: Linux Sys Admin, AD, networking, Firewalls, switch config/patching, AWS/Azure Certifications. ...

Azure Architect Linux

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
Role : Azure Architect-Linux with Active SC Clearance Location: London, UK(2 days in a week from office, Hybrid) Job type: 6 Months contract with possible extension Job Details: 12+ years of IT experience and minimum of 5+ years of experience on Azure Infra, Azure Migrate, Azure Networking mainly Azure … Target Solutions architect Diagram (all Azure services ) including HLD & LLD . Migrating on premise workloads to Azure using Azure Migrate. Troubleshooting experience with Azure & Linux environments (Processor, networking, clusters, IO, memory etc. related issues) Define & realize end-to-end solution architecture addressing business processes, specifications in a domain regulation ...

Technical Product Owner (R based)

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £550 to £600 per day
Role Technical Product Owner (R based) Must have: Senior SME with R expertise (R modules, libraries, execution environment) with expertise in cloud concepts- containerization, Linux job scheduler and HPC Your Responsibilities Liaise with Business and taking care of the key responsibilities Lead Backlog Refinement meetings Lead meetings with Business Discussion … deploy R-based solutions in cloud environments (e.g., Azure, AWS, GCP) Support CI/CD pipelines for R scripts and dashboards Write and manage Linux shell scripts to automate R script execution Use cron jobs or Linux job schedulers (e.g., at, systemd timers) to schedule R tasks Monitor and troubleshoot ...

DevOps Engineer / ElasticSearch SME

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450.0 - £500.0 per day + up to £500pd (inside IR35)
legacy applications and infrastructure Strong experience with Nginx and Apache Tomcat/HTTP Working knowledge of Containerisation/Virtualisation (e.g. Docker, VMware) and Linux with Shell scripting. Hands-on experience supporting ElasticSearch integrations (indexing, query DSL etc) and experience supporting search-driven services (JSON, Logstash, Kibana etc) Experience with Platforms … Operation Systems including, Oracle Solaris 10, Red Hat Enterprise Linux 8, Windows Server 2008/2016/2019, VMware ESX v6, Docker, IBM Initiate (Master Data Management) Nice to have: Working experience with Java 8, 5, 6, 11, Enterprise JavaBeans (EJB) and JSP Immediate availability If you're interested ...