Unix Contract Job Trends in London

Unix
England > London

The table below provides summary statistics and contractor rates for jobs advertised in London requiring Unix skills. It covers contract job vacancies from the 6 months leading up to 28 December 2025, with comparisons to the same periods in the previous two years.

6 months to
28 Dec 2025
Same period 2024 Same period 2023
Rank 168 139 99
Rank change year-on-year -29 -40 -1
Contract jobs citing Unix 232 282 432
As % of all contract jobs in London 1.62% 1.90% 2.34%
As % of the Operating Systems category 15.58% 15.74% 16.39%
Number of daily rates quoted 144 183 326
10th Percentile £350 £360 £409
25th Percentile £415 £463 £506
Median daily rate (50th Percentile) £570 £575 £600
Median % change year-on-year -0.96% -4.17% -
75th Percentile £738 £725 £725
90th Percentile £775 £810 £810
England median daily rate £480 £550 £550
% change year-on-year -12.73% - -
Number of hourly rates quoted 2 0 3
10th Percentile £26.28 - -
25th Percentile £26.31 - -
Median hourly rate £27.75 - £22.00
75th Percentile £29.31 - £44.50
90th Percentile £29.43 - £58.00
England median hourly rate £27.75 £59.00 £57.75
% change year-on-year -52.97% +2.16% -11.15%

All Operating Systems
London

Unix falls under the Operating Systems category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring operating system skills in London.

Contract vacancies with a requirement for operating system skills 1,489 1,792 2,636
As % of all contract IT jobs advertised in London 10.38% 12.10% 14.29%
Number of daily rates quoted 951 1,185 1,912
10th Percentile £204 £225 £204
25th Percentile £359 £360 £350
Median daily rate (50th Percentile) £496 £500 £525
Median % change year-on-year -0.90% -4.76% -4.55%
75th Percentile £619 £625 £650
90th Percentile £738 £725 £750
England median daily rate £450 £470 £475
% change year-on-year -4.26% -1.05% -7.32%
Number of hourly rates quoted 50 17 44
10th Percentile £20.82 £16.15 £18.28
25th Percentile £21.46 £21.25 £21.23
Median hourly rate £25.15 £35.00 £32.50
Median % change year-on-year -28.14% +7.69% +30.00%
75th Percentile £28.75 £68.75 £60.00
90th Percentile £61.35 £104.80 £70.85
England median hourly rate £25.15 £52.50 £32.50
% change year-on-year -52.10% +61.54% +30.00%

Unix
Job Vacancy Trend in London

Historical trend showing the proportion of contract IT job postings citing Unix relative to all contract IT jobs advertised in London.

Unix job vacancy trend in London

Unix
Daily Rate Trend in London

Contractor daily rate distribution trend for jobs in London citing Unix.

Contractor daily rate distribution trend for jobs in London citing Unix

Unix
Daily Rate Histogram in London

Daily rate distribution for jobs citing Unix in London over the 6 months to 28 December 2025.

Daily rate histogram for Unix in London

Unix
Hourly Rate Trend in London

Contractor hourly rate distribution trend for jobs in London citing Unix.

Contractor hourly rate distribution trend for jobs in London citing Unix

Unix
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Unix within the London region over the 6 months to 28 December 2025. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
Central London +10 49 £565 -5.83% 34
West London -12 11 £208 -52.84% 2
East London -1 2 £416 +4.00% 3
South London -8 2 - - 3
Unix
England

Unix
Co-Occurring Skills & Capabilities in London by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 17 (7.33%) Confluence
2 9 (3.88%) SharePoint
3 5 (2.16%) Tomcat
4 4 (1.72%) nginx
4 4 (1.72%) Oracle SOA Suite
4 4 (1.72%) Oracle Workflow
5 3 (1.29%) Apache
6 2 (0.86%) Oracle HTTP Server
6 2 (0.86%) SAS
6 2 (0.86%) WebLogic
7 1 (0.43%) CICS
7 1 (0.43%) IIS
7 1 (0.43%) OpenEdge
7 1 (0.43%) WebSphere
Applications
1 9 (3.88%) Microsoft Office
2 7 (3.02%) Microsoft Excel
3 4 (1.72%) Microsoft PowerPoint
4 2 (0.86%) Microsoft Project
5 1 (0.43%) MS Visio
Business Applications
1 5 (2.16%) Oracle EBS
1 5 (2.16%) Oracle EBS R12
2 4 (1.72%) Oracle 11i
2 4 (1.72%) Oracle Assets
2 4 (1.72%) Oracle Payables
3 3 (1.29%) ION MarketView
3 3 (1.29%) Oracle BPM
3 3 (1.29%) Oracle General Ledger
3 3 (1.29%) Oracle Procure-to-Pay
4 1 (0.43%) Oracle Applications
4 1 (0.43%) Oracle E-Business Tax
4 1 (0.43%) Oracle Financials
4 1 (0.43%) StreamServe
Cloud Services
1 49 (21.12%) AWS
2 41 (17.67%) Azure
3 14 (6.03%) GitHub
4 12 (5.17%) GCP
5 6 (2.59%) Azure API Management
5 6 (2.59%) Microsoft 365
6 4 (1.72%) AWS CloudFormation
6 4 (1.72%) Azure DevOps
6 4 (1.72%) Power Platform
7 3 (1.29%) Amazon CloudWatch
7 3 (1.29%) Amazon EKS
7 3 (1.29%) Amazon S3
7 3 (1.29%) AWS Lambda
7 3 (1.29%) Azure Monitor
7 3 (1.29%) Datadog
7 3 (1.29%) SaaS
7 3 (1.29%) Serverless
7 3 (1.29%) Snowflake
8 2 (0.86%) Azure AKS
8 2 (0.86%) Cloud Computing
Communications & Networking
1 14 (6.03%) HTTP
2 13 (5.60%) Firewall
3 12 (5.17%) SSL
4 11 (4.74%) TCP/IP
5 6 (2.59%) SSH
6 4 (1.72%) DNS
7 2 (0.86%) FIX Connectivity
7 2 (0.86%) InfiniBand
7 2 (0.86%) Internet
7 2 (0.86%) Kerberos
7 2 (0.86%) SAN
7 2 (0.86%) Wireless
8 1 (0.43%) DHCP
8 1 (0.43%) Ethernet
8 1 (0.43%) iSCSI
8 1 (0.43%) NetScaler
8 1 (0.43%) Network Security
8 1 (0.43%) Spanning Tree
8 1 (0.43%) VLAN
8 1 (0.43%) VPN
Database & Business Intelligence
1 22 (9.48%) Oracle Database
2 16 (6.90%) Relational Database
3 15 (6.47%) PostgreSQL
4 12 (5.17%) KDB
4 12 (5.17%) Kdb+
4 12 (5.17%) NoSQL
5 10 (4.31%) MySQL
6 8 (3.45%) SQL Server
7 7 (3.02%) MongoDB
8 5 (2.16%) Oracle Reports
8 5 (2.16%) RDBMS
8 5 (2.16%) Redis
9 4 (1.72%) Data Warehouse
9 4 (1.72%) DB2
9 4 (1.72%) Oracle BI Publisher
9 4 (1.72%) Oracle Database 10g
9 4 (1.72%) Power BI
9 4 (1.72%) SQLPlus
10 3 (1.29%) Elasticsearch
10 3 (1.29%) Tick Data
Development Applications
1 28 (12.07%) JIRA
2 25 (10.78%) Jenkins
3 15 (6.47%) Git
4 14 (6.03%) JUnit
5 12 (5.17%) GitLab
5 12 (5.17%) Maven
6 9 (3.88%) SoapUI
7 8 (3.45%) Bitbucket
8 6 (2.59%) Cucumber
8 6 (2.59%) Selenium
9 5 (2.16%) Atlassian Bamboo
9 5 (2.16%) Gradle
9 5 (2.16%) Mockito
9 5 (2.16%) QUnit
9 5 (2.16%) SonarQube
9 5 (2.16%) Sonatype Nexus
9 5 (2.16%) Subversion
9 5 (2.16%) Toad
9 5 (2.16%) Xcode
9 5 (2.16%) XCTest
General
1 113 (48.71%) Finance
2 69 (29.74%) Social Skills
3 32 (13.79%) Banking
4 23 (9.91%) Analytical Skills
5 22 (9.48%) Front Office
6 16 (6.90%) Financial Institution
7 8 (3.45%) Investment Banking
8 7 (3.02%) Public Sector
9 6 (2.59%) Documentation Skills
9 6 (2.59%) Legal
10 4 (1.72%) General Ledger
10 4 (1.72%) Influencing Skills
11 3 (1.29%) Back Office
11 3 (1.29%) Law
12 2 (0.86%) Wholesale Banking
13 1 (0.43%) Inclusion and Diversity
13 1 (0.43%) Manufacturing
13 1 (0.43%) Military
13 1 (0.43%) Publishing
Job Titles
1 56 (24.14%) Developer
2 54 (23.28%) Senior
3 21 (9.05%) Unix Engineer
4 19 (8.19%) Linux Engineer
4 19 (8.19%) Software Engineer
5 18 (7.76%) C++ Software Engineer
5 18 (7.76%) Kafka Engineer
5 18 (7.76%) Senior C++ Software Engineer
5 18 (7.76%) Senior Software Engineer
5 18 (7.76%) Unix Linux Engineer
6 17 (7.33%) Senior Linux Engineer
6 17 (7.33%) Senior Unix Engineer
7 16 (6.90%) Analyst
8 12 (5.17%) Java Developer
9 10 (4.31%) Infrastructure Engineer
10 9 (3.88%) DevOps Engineer
10 9 (3.88%) KDB Developer
10 9 (3.88%) Oracle Developer
11 8 (3.45%) Cloud Engineer
11 8 (3.45%) Technical Support
Libraries, Frameworks & Software Standards
1 46 (19.83%) Kafka
2 20 (8.62%) Middleware
3 15 (6.47%) SOAP
4 11 (4.74%) HTML
4 11 (4.74%) REST
4 11 (4.74%) XML
5 9 (3.88%) AngularJS
6 8 (3.45%) CSS
6 8 (3.45%) FIX Protocol
6 8 (3.45%) Spring
6 8 (3.45%) Spring Boot
7 7 (3.02%) OpenAPI
7 7 (3.02%) React
7 7 (3.02%) XSD
8 6 (2.59%) Hibernate
8 6 (2.59%) HTML5
8 6 (2.59%) IBM Integration Bus
8 6 (2.59%) JPA
8 6 (2.59%) JSON
8 6 (2.59%) Rendezvous
Miscellaneous
1 21 (9.05%) Foreign Exchange (FX)
2 12 (5.17%) Algorithms
2 12 (5.17%) Cloud Native
3 11 (4.74%) Equities
3 11 (4.74%) Fixed Income
4 8 (3.45%) Data Protection Act
4 8 (3.45%) Management Information System
4 8 (3.45%) Onboarding
4 8 (3.45%) Security Posture
5 7 (3.02%) Greenfield Project
6 6 (2.59%) Derivative
6 6 (2.59%) Distributed Systems
6 6 (2.59%) Hedge funds
6 6 (2.59%) Linux Command Line
6 6 (2.59%) Private Cloud
7 5 (2.16%) Replication
8 4 (1.72%) Enterprise Software
8 4 (1.72%) Public Cloud
8 4 (1.72%) SWIFT Messaging Network
9 3 (1.29%) Data Centre
Operating Systems
1 167 (71.98%) Linux
2 53 (22.84%) Windows
3 7 (3.02%) Red Hat Enterprise Linux
4 6 (2.59%) AIX
4 6 (2.59%) Solaris
5 5 (2.16%) CentOS
5 5 (2.16%) Mac OS
6 3 (1.29%) Windows Server
7 2 (0.86%) Android
7 2 (0.86%) Apple iOS
7 2 (0.86%) Ubuntu
7 2 (0.86%) VMS
7 2 (0.86%) Windows 10
7 2 (0.86%) Windows 7
8 1 (0.43%) Windows Server 2003
8 1 (0.43%) Windows Server 2008
Processes & Methodologies
1 87 (37.50%) Agile
2 40 (17.24%) Problem-Solving
3 39 (16.81%) Software Engineering
4 34 (14.66%) DevOps
5 33 (14.22%) Low Latency
6 26 (11.21%) CI/CD
7 24 (10.34%) OO
8 22 (9.48%) Computer Science
8 22 (9.48%) TDD
9 18 (7.76%) Infrastructure as Code
9 18 (7.76%) Risk Management
9 18 (7.76%) SDLC
9 18 (7.76%) Test Automation
10 17 (7.33%) Continuous Improvement
10 17 (7.33%) Microservices
10 17 (7.33%) Migration
11 15 (6.47%) Mentoring
12 14 (6.03%) Infrastructure Automation
13 13 (5.60%) Containerisation
13 13 (5.60%) Infrastructure Engineering
Programming Languages
1 126 (54.31%) SQL
2 79 (34.05%) Python
3 65 (28.02%) Java
4 46 (19.83%) C++
5 35 (15.09%) Perl
5 35 (15.09%) Shell Script
6 31 (13.36%) C#
7 18 (7.76%) Bash
7 18 (7.76%) JavaScript
8 17 (7.33%) PL/SQL
9 7 (3.02%) PowerShell
10 6 (2.59%) Korn
11 5 (2.16%) Groovy
11 5 (2.16%) PHP
12 4 (1.72%) C
12 4 (1.72%) Kusto Query Language
13 3 (1.29%) Scala
14 2 (0.86%) Embedded C++
15 1 (0.43%) COBOL
15 1 (0.43%) JCL
Qualifications
1 42 (18.10%) Degree
2 20 (8.62%) Security Cleared
3 11 (4.74%) Computer Science Degree
4 10 (4.31%) SC Cleared
5 5 (2.16%) OSCP
6 4 (1.72%) AWS Certification
6 4 (1.72%) BPSS Clearance
6 4 (1.72%) GPEN
6 4 (1.72%) GWAPT
6 4 (1.72%) ISTQB
6 4 (1.72%) ISTQB Foundation Certification
7 2 (0.86%) AWS Certified Solutions Architect
7 2 (0.86%) CISSP
7 2 (0.86%) PMI Certification
7 2 (0.86%) PMP
7 2 (0.86%) RHCE
8 1 (0.43%) MCSA
8 1 (0.43%) MCSE
8 1 (0.43%) Microsoft Certification
8 1 (0.43%) Postgraduate
Quality Assurance & Compliance
1 12 (5.17%) QA
2 5 (2.16%) SLA
3 3 (1.29%) NIST
3 3 (1.29%) SEPA
4 2 (0.86%) Data Quality
4 2 (0.86%) GMP
4 2 (0.86%) PCI DSS
5 1 (0.43%) Accessibility
5 1 (0.43%) ISO 15022
5 1 (0.43%) ISO 20022
5 1 (0.43%) Sarbanes-Oxley
System Software
1 26 (11.21%) Docker
2 5 (2.16%) Active Directory
3 3 (1.29%) VMware Infrastructure
4 2 (0.86%) GridGain
4 2 (0.86%) Samba
5 1 (0.43%) Ceph
5 1 (0.43%) iptables
5 1 (0.43%) KVM
5 1 (0.43%) Lustre
5 1 (0.43%) NFS
5 1 (0.43%) RACF
5 1 (0.43%) Slurm Workload Manager
5 1 (0.43%) VMware NSX
Systems Management
1 28 (12.07%) Terraform
2 26 (11.21%) Kubernetes
3 23 (9.91%) Ansible
4 7 (3.02%) Prometheus
5 6 (2.59%) ITRS Geneos
5 6 (2.59%) Puppet
6 5 (2.16%) Grafana
7 3 (1.29%) Ambari
7 3 (1.29%) Progress Chef
7 3 (1.29%) ZABBIX
8 2 (0.86%) Nagios
8 2 (0.86%) Nessus
8 2 (0.86%) SCCM
8 2 (0.86%) Single Sign-On
9 1 (0.43%) BladeLogic
9 1 (0.43%) CASB
9 1 (0.43%) Control-M
9 1 (0.43%) HAProxy
9 1 (0.43%) NetBackup
9 1 (0.43%) Rundeck
Vendors
1 81 (34.91%) Oracle
2 21 (9.05%) Microsoft
3 16 (6.90%) Splunk
4 10 (4.31%) IBM
4 10 (4.31%) ServiceNow
5 9 (3.88%) F5
6 8 (3.45%) Red Hat
7 7 (3.02%) Dynatrace
7 7 (3.02%) TIBCO
8 6 (2.59%) CrowdStrike
8 6 (2.59%) Google
8 6 (2.59%) MuleSoft
8 6 (2.59%) Solace
9 5 (2.16%) CA Agile Central
9 5 (2.16%) VMware
10 4 (1.72%) Atlassian
10 4 (1.72%) CyberArk
10 4 (1.72%) Remedy
11 3 (1.29%) Bloomberg
11 3 (1.29%) Tradeweb