IR35.org

Linux contracts

57 open Linux contracts, typically £445–£600 a day.

Open contracts
57
Typical day rate
£445–£600Median £525, from 44 contracts stating a rate
Outside IR35
12%of the 34 that state a status

At the median £525 a day over 220 working days, you'd take home about £72,529 a year outside IR35, or £68,878 inside IR35. Work out your own take-home pay

Skip to results

58 contracts found

  1. Infrastructure EngineerRemote

    Large-scale programme

    £450–£500/dayInside IR35

    London · 6 months · SC clearance · Posted 4 days ago

    • Linux
    • Infrastructure
    • Windows Server
    • Network engineering
    • Terraform
    • +8 more
  2. Data Centre ExpertHybrid

    Infrastructure Services team

    £500–£550/dayOutside IR35

    Uxbridge · 3 months · Posted 4 days ago

    • Linux
    • VMware / vSphere
    • Storage
    • Backup and recovery
    • Network engineering
  3. Lead Solutions Architect (Legacy to Cloud)Remote

    Large, complex organisation

    £500–£800/dayInside IR35

    London · 6 months · SC clearance · Posted 5 days ago

    • Linux
    • Solution architecture
    • Cloud architecture
    • Migration
    • Java
    • +6 more
  4. Embedded Full Stack EngineerHybrid

    Morela

    £600–£700/dayOutside IR35

    London · 6 months · DV clearance · Posted 5 days ago

    • Linux
    • Python
    • FastAPI
    • Django
    • Flask
    • +17 more
  5. IdAM Application DeveloperOn site

    £550–£650/dayIR35 not stated

    Cheltenham · Posted 5 days ago

    • Linux
    • Python
    • JavaScript
    • Ansible
    • Kubernetes
    • +8 more
  6. Senior C++ Developer

    Rate not statedIR35 not stated

    Belfast · Posted 6 days ago

    • Linux
    • C++
    • Microservices
    • Distributed systems
  7. DevOps EngineerHybrid

    Replacing Axway Managed File Transfer platform with SFTP-Go on Red Hat OpenShift

    £500/dayInside IR35

    London · 6 months · Posted 6 days ago

    • Linux
    • DevOps
    • Kubernetes
    • OpenShift
    • Terraform
    • +8 more
  8. Storage Software EngineerHybrid

    Leading global financial services organisation

    £500/dayInside IR35

    Glasgow · Posted 6 days ago

    • Linux
    • Python
    • Storage
    • Perl
    • Object-oriented programming
    • +8 more
  9. Senior Infrastructure EngineerOn site

    BAE Systems

    £263–£353/day£35–£47/hrIR35 not stated

    Preston · 12 months · Posted 7 days ago

    • Linux
    • Infrastructure
    • Windows Server
  10. Cyber Security EngineerOn site

    Global technology consultancy serving defence industry

    £350–£550/dayInside IR35

    Newport · 3 months · SC clearance · Posted 7 days ago

    • Linux
    • Cyber security
    • Vulnerability management
    • Risk management
    • Infrastructure

    2 adverts

  11. Senior Software EngineerOn site

    Multidisciplinary team developing software for complex engineering systems

    £550–£600/dayInside IR35

    Milton Keynes · 18 months · DV clearance · Posted 8 days ago

    • Linux
    • Python
    • Docker
    • C++
    • Ansible
    • +2 more
  12. Senior Backup & Recovery Administrator (Commvault / Rubrik)Hybrid

    Well-established enterprise organisation

    Rate not statedIR35 not stated

    London · 6 months · SC clearance · Posted 8 days ago

    • Linux
    • Backup and recovery
    • Disaster recovery
    • Infrastructure
    • SQL Server
    • +7 more
  13. Linux DevOps EngineerOn site

    Defence programme

    Rate not statedInside IR35

    Reading · 12 months · DV clearance · Posted 11 days ago

    • Linux
    • DevOps
    • Infrastructure
  14. Storage Infrastructure EngineerHybrid

    Major UK organisation

    Rate not statedInside IR35

    London · 6 months · SC clearance · Posted 11 days ago

    • Linux
    • Storage
    • Network engineering
    • PowerShell
    • REST APIs
    • +1 more
  15. Infrastructure EngineerHybrid

    Government client

    £550–£600/dayInside IR35

    Cardiff · SC clearance · Posted 11 days ago

    • Linux
    • Infrastructure
    • Terraform
    • Docker
    • Python
    • +3 more

    8 adverts

  16. Systems Administrator / Patching CoordinatorHybrid

    Rate not statedIR35 not stated

    Chester · 12 months · Posted 12 days ago

    • Linux
    • Windows Server
  17. Systems Administrator / Patching CoordinatorHybrid

    Rate not statedIR35 not stated

    Chester · 12 months · Posted 12 days ago

    • Linux
    • Windows Server
    • Systems administration
    • Infrastructure
  18. Senior Infrastructure Integration EngineerHybrid

    Large organisation with global infrastructure operations

    £552/dayInside IR35

    Glasgow · Posted 12 days ago

    • Linux
    • Infrastructure
    • DevOps
    • Python
    • CI/CD
    • +4 more

    2 adverts

  19. Red Hat OpenShift & DevOps Engineer

    Vbeyond

    Rate not statedIR35 not stated

    London · Posted 12 days ago

    • Linux
    • OpenShift
    • Kubernetes
    • GitLab CI
    • DevOps
    • +5 more

    Direct from employer

  20. Sr Linux Automation & Platform Engineer (Python/Ansible)Hybrid

    Financial services

    £290–£380/dayInside IR35

    London · Posted 12 days ago

    • Linux
    • Python
    • Ansible
    • Systems administration
    • Infrastructure
    • +4 more
  21. Non-functional tester - eDVHybrid

    Leading organisation within the National Security space

    £500–£700/dayIR35 not stated

    Cheltenham · 12 months · DV clearance · Posted 12 days ago

    • Linux
    • Performance testing
    • Distributed systems
    • Microservices
    • CI/CD
    • +1 more

    2 adverts

  22. DevOps EngineerHybrid

    Matched Group

    Rate not statedIR35 not stated

    London · 6 months · Posted 13 days ago

    • Linux
    • DevOps
    • Kubernetes
    • AWS
    • Infrastructure
    • +5 more
  23. PHP Software EngineerRemote

    Fast growing SaaS business

    Rate not statedIR35 not stated

    Berkshire · 12 months · Posted 13 days ago

    • Linux
    • PHP
    • REST APIs
    • HTML / CSS
    • JavaScript
    • +9 more
  24. Senior System ArchitectHybrid

    Technology Solutions division developing connected IoT devices and products

    Rate not statedIR35 not stated

    Cambridge · 24 months · Posted 13 days ago

    • Linux
    • Systems engineering
    • Embedded systems
    • IoT
    • Azure DevOps
    • +5 more
  25. Platform EngineerHybrid

    Government client

    £529–£629/dayInside IR35

    London · 6 months · DV clearance · Posted 13 days ago

    • Linux
    • Azure
    • Azure DevOps
    • Windows Server
    • PowerShell
    • +11 more
  26. Senior Infrastructure EngineerHybrid

    Enterprise client

    £630/dayInside IR35

    South East · 6 months · DV clearance · Posted 13 days ago

    • Linux
    • Infrastructure
    • Azure
    • Windows Server
    • Active Directory
    • +8 more

    2 adverts

  27. Software Engineer - High-Performance Java / Low LatencyHybrid

    Financial services firm focused on agency liquidity and principal risk

    £400–£450/dayInside IR35

    London · Posted 13 days ago

    • Linux
    • Java
  28. Principal DevOps Engineer

    Local client

    £644/dayInside IR35

    London · SC clearance · Posted 14 days ago

    • Linux
    • DevOps
    • AWS
    • Platform engineering
    • Infrastructure
    • +7 more
  29. Senior KDB+/q DeveloperHybrid

    Global financial institution

    £349–£465/dayInside IR35

    London · 3 months · Posted 14 days ago

    • Linux
    • Kafka
    • Java
    • Python

    2 adverts

  30. PKI Security EngineerHybrid

    International Investment Bank

    £700/dayInside IR35

    London · 6 months · Posted 18 days ago

    • Linux
    • Cryptography / PKI
    • REST APIs
    • Infrastructure
    • Kubernetes
    • +14 more

    2 adverts

  31. Site Reliability EngineerHybrid

    Organisation requiring DV clearance

    £500–£580/dayOutside IR35

    Gloucester · 6 months · DV clearance · Posted 20 days ago

    • Linux
    • Site reliability engineering (SRE)
    • Terraform
    • Docker
    • Observability / monitoring
    • +7 more
  32. Embedded Software EngineerHybrid

    World leader in missile and missile systems

    £525/day£70/hrInside IR35

    Bristol · 6 months · Posted 20 days ago

    • Linux
    • C++
    • Embedded systems
    • Jira / Confluence
    • Test-driven development
  33. TechOps EngineerOn site

    Technology-led organisation

    £400/dayIR35 not stated

    London · Posted 22 days ago

    • Linux
    • Azure
    • Spring / Spring Boot
    • Site reliability engineering (SRE)
    • Kubernetes
    • +14 more
  34. Software Engineering SpecialistOn site

    National security environment

    £500–£650/dayInside IR35

    London · DV clearance · Posted 22 days ago

    • Linux
    • Platform engineering
    • CI/CD
    • Infrastructure
    • Git / GitHub
    • +7 more
  35. DevOps EngineerRemote

    Major public sector programme

    £450–£552/dayIR35 not stated

    London · 12 months · SC clearance · Posted 26 days ago

    • Linux
    • DevOps
    • CI/CD
    • Kubernetes
    • Terraform
    • +2 more
  36. Murex Technical ConsultantHybrid

    High-profile Financial Services client

    £700/dayIR35 not stated

    London · 12 months · Posted 26 days ago

    • Linux
    • Murex
    • SQL
    • Bash / shell scripting
    • ServiceNow
    • +2 more
  37. Murex Technical ConsultantHybrid

    Major enterprise risk delivery team

    £650–£700/dayInside IR35 (implied)

    London · 12 months · Posted 27 days ago

    • Linux
    • Murex
    • SQL
    • Bash / shell scripting
    • ServiceNow
    • +1 more

    3 adverts

  38. Lead Infrastructure & Hosting ArchitectHybrid

    Digital transformation consultancy

    Rate not statedOutside IR35

    London · 3 months · Posted 27 days ago

    • Linux
    • Infrastructure
    • VMware / vSphere
    • Hyper-V
    • Windows Server
    • +2 more
  39. Database ManagerOn site

    Defence organisation

    £313/day£42/hrInside IR35 (implied)

    Chippenham · 6 months · Posted 28 days ago

    • Linux
    • Oracle Database
    • Windows Server
  40. IBM Netcool / Observability Technical LeadHybrid

    Leading global financial institution

    £750–£830/dayInside IR35

    London · Posted 28 days ago

    • Linux
    • Observability / monitoring
    • Incident management
    • ServiceNow
    • SQL
    • +5 more

    2 adverts

  41. RF EngineerHybrid

    Defence industry

    £488–£563/day£65–£75/hrInside IR35

    Stevenage · 6 months · SC clearance · Posted 29 days ago

    • Linux
    • Electronics
    • C++
  42. Server Obsolescence Remediation EngineerHybrid

    Leading financial institution

    £650–£730/dayIR35 not stated

    London · Posted 29 days ago

    • Linux
    • Infrastructure
    • Windows Server
    • Change management
    • PowerShell
    • +4 more
  43. Rust DeveloperHybrid

    National defence technology company

    £550–£650/dayIR35 not stated

    South West · Posted 29 days ago

    • Linux
    • Rust
    • Cryptography / PKI
    • TCP/IP
    • Cyber security
    • +3 more
  44. Full Stack Engineer - Must be DV ClearedHybrid

    Morela

    Rate not statedIR35 not stated

    London · 6 months · Posted 29 days ago

    • Linux
    • Python
    • TypeScript
    • CI/CD
    • Docker
    • +7 more
  45. QA Test Infrastructure EngineerOn site

    IBM SIXworks Limited

    Rate not statedIR35 not stated

    Taunton · SC clearance · Posted 32 days ago

    • Linux
    • Test automation
    • Infrastructure
    • Network engineering
    • Terraform
    • +10 more

    Direct from employer

  46. Quality EngineerHybrid

    Major UK technology brand

    £300–£350/dayIR35 not stated

    Ipswich · 12 months · Posted 32 days ago

    • Linux
    • Firmware
    • Python
    • Embedded systems
    • Docker
    • +4 more
  47. Network EngineerHybrid

    Leading technology organisation

    £450–£550/dayIR35 not stated

    South East · 6 months · Posted 33 days ago

    • Linux
    • Network engineering
    • Firewalls
    • DNS
    • Observability / monitoring
    • +7 more
  48. Infrastructure Linux Engineer

    Enterprise organisation with secure and assured infrastructure environment

    £580–£590/dayIR35 not stated

    Milton Keynes · SC clearance · Posted 33 days ago

    • Linux
    • Infrastructure
    • Systems administration
    • IT service management
    • Observability / monitoring
  49. Test Environment ManagerHybrid

    Major enterprise technology

    £500–£850/dayInside IR35

    London · Posted 33 days ago

    • Linux
    • OpenShift
    • Kafka
    • Microservices
    • CI/CD
    • +7 more
  50. Network Engineer (DV Security Clearance)On site

    World Class Defence Organisation

    £516/day£69/hrInside IR35

    Stevenage · 12 months · DV clearance · Posted 34 days ago

    • Linux
    • Network engineering
    • Cisco
    • Windows Server
    • VMware / vSphere
    • +2 more

    3 adverts

Contracts come from job boards and employers' own careers sites, updated hourly. IR35 status is as stated in each advert: always confirm it with the hirer.

Disclaimer: calculations are estimates only and not financial or tax advice. See the terms.

Copyright © 2026 IR35.org. All rights reserved.