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 8 November 2025, with comparisons to the same periods in the previous two years.

6 months to
8 Nov 2025
Same period 2024 Same period 2023
Rank 157 136 92
Rank change year-on-year -21 -44 +13
Contract jobs citing Unix 247 303 527
As % of all contract jobs in London 1.78% 1.93% 2.59%
As % of the Operating Systems category 15.63% 15.63% 17.59%
Number of daily rates quoted 153 195 370
10th Percentile £305 £354 £389
25th Percentile £410 £439 £480
Median daily rate (50th Percentile) £550 £563 £586
Median % change year-on-year -2.22% -4.05% -2.29%
75th Percentile £726 £725 £675
90th Percentile £772 £810 £810
England median daily rate £500 £525 £550
% change year-on-year -4.76% -4.55% -
Number of hourly rates quoted 2 1 3
10th Percentile £26.28 - £27.10
25th Percentile £26.31 - £34.75
Median hourly rate £27.75 £23.80 £50.00
Median % change year-on-year +16.60% -52.40% -35.48%
75th Percentile £29.31 - £59.75
90th Percentile £29.43 - £64.10
England median hourly rate £41.25 £27.50 £65.00
% change year-on-year +50.00% -57.69% -7.14%

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 1,580 1,938 2,996
As % of all contract IT jobs advertised in London 11.36% 12.37% 14.73%
Number of daily rates quoted 1,019 1,259 2,158
10th Percentile £206 £225 £205
25th Percentile £356 £350 £375
Median daily rate (50th Percentile) £500 £500 £525
Median % change year-on-year - -4.76% -4.55%
75th Percentile £625 £615 £650
90th Percentile £738 £725 £750
England median daily rate £450 £475 £488
% change year-on-year -5.26% -2.56% -3.03%
Number of hourly rates quoted 62 20 52
10th Percentile £18.90 £21.08 £18.09
25th Percentile £22.50 £22.84 £22.38
Median hourly rate £25.15 £53.50 £32.50
Median % change year-on-year -52.99% +64.62% +30.00%
75th Percentile £26.75 £69.31 £60.00
90th Percentile £57.83 £101.20 £73.63
England median hourly rate £23.00 £57.50 £36.25
% change year-on-year -60.00% +58.62% +45.00%

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 8 November 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 8 November 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 +18 47 £540 +2.86% 92
West London +1 18 £208 -52.84% 3
South London -9 2 - - 1
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 20 (8.10%) Confluence
2 5 (2.02%) SharePoint
3 4 (1.62%) nginx
3 4 (1.62%) Oracle Workflow
3 4 (1.62%) Tomcat
4 3 (1.21%) Oracle SOA Suite
5 2 (0.81%) Apache
5 2 (0.81%) Oracle HTTP Server
5 2 (0.81%) SAS
5 2 (0.81%) WebLogic
5 2 (0.81%) WebSphere
6 1 (0.40%) CICS
6 1 (0.40%) IIS
6 1 (0.40%) OpenEdge
Applications
1 3 (1.21%) Microsoft Excel
1 3 (1.21%) Microsoft Office
2 1 (0.40%) Microsoft Project
Business Applications
1 5 (2.02%) ION MarketView
1 5 (2.02%) Oracle EBS
1 5 (2.02%) Oracle EBS R12
2 4 (1.62%) Oracle Assets
2 4 (1.62%) Oracle Payables
3 3 (1.21%) Oracle BPM
3 3 (1.21%) Oracle General Ledger
4 2 (0.81%) Oracle Procure-to-Pay
5 1 (0.40%) Oracle 11i
5 1 (0.40%) Oracle Applications
5 1 (0.40%) Oracle E-Business Tax
5 1 (0.40%) Oracle Financials
5 1 (0.40%) StreamServe
Cloud Services
1 55 (22.27%) AWS
2 46 (18.62%) Azure
3 18 (7.29%) GitHub
4 15 (6.07%) GCP
5 8 (3.24%) Azure DevOps
6 5 (2.02%) Microsoft 365
7 4 (1.62%) AWS CloudFormation
7 4 (1.62%) Azure Monitor
7 4 (1.62%) Power Platform
7 4 (1.62%) SaaS
8 3 (1.21%) Amazon CloudWatch
8 3 (1.21%) Amazon EKS
8 3 (1.21%) Amazon S3
8 3 (1.21%) Datadog
8 3 (1.21%) Snowflake
9 2 (0.81%) Amazon EC2
9 2 (0.81%) AWS Lambda
9 2 (0.81%) Azure AKS
9 2 (0.81%) Cloud Computing
9 2 (0.81%) OpenShift
Communications & Networking
1 12 (4.86%) Firewall
1 12 (4.86%) SSL
2 11 (4.45%) TCP/IP
3 9 (3.64%) HTTP
4 6 (2.43%) SSH
5 5 (2.02%) DNS
6 4 (1.62%) Internet
6 4 (1.62%) SAN
7 1 (0.40%) BGP
7 1 (0.40%) Ethernet VPN
7 1 (0.40%) Kerberos
7 1 (0.40%) LAN
7 1 (0.40%) MPLS
7 1 (0.40%) NAS
7 1 (0.40%) SMS
7 1 (0.40%) VPN
7 1 (0.40%) WAN
7 1 (0.40%) Wireless
Database & Business Intelligence
1 16 (6.48%) Relational Database
2 15 (6.07%) KDB
2 15 (6.07%) Oracle Database
2 15 (6.07%) PostgreSQL
3 13 (5.26%) Kdb+
3 13 (5.26%) NoSQL
4 9 (3.64%) MySQL
5 8 (3.24%) MongoDB
5 8 (3.24%) SQL Server
6 6 (2.43%) Big Data
6 6 (2.43%) Redis
7 5 (2.02%) HPCC
8 4 (1.62%) Data Lake
8 4 (1.62%) Data Mart
8 4 (1.62%) DB2
8 4 (1.62%) Oracle BI Publisher
8 4 (1.62%) Oracle Reports
8 4 (1.62%) Power BI
9 3 (1.21%) Data Warehouse
9 3 (1.21%) RDBMS
Development Applications
1 34 (13.77%) Git
2 32 (12.96%) JIRA
3 27 (10.93%) Jenkins
4 20 (8.10%) Maven
5 18 (7.29%) GitLab
6 12 (4.86%) Bitbucket
6 12 (4.86%) JUnit
7 10 (4.05%) Gradle
7 10 (4.05%) Sonatype Nexus
8 9 (3.64%) SonarQube
9 7 (2.83%) Atlassian Bamboo
9 7 (2.83%) SoapUI
10 6 (2.43%) Cucumber
10 6 (2.43%) Mockito
10 6 (2.43%) Postman
10 6 (2.43%) REST Assured
10 6 (2.43%) Selenium
10 6 (2.43%) Subversion
10 6 (2.43%) Xcode
10 6 (2.43%) XCTest
General
1 111 (44.94%) Finance
2 71 (28.74%) Social Skills
3 41 (16.60%) Analytical Skills
4 31 (12.55%) Banking
5 19 (7.69%) Front Office
6 18 (7.29%) Financial Institution
7 8 (3.24%) Public Sector
8 6 (2.43%) Investment Banking
8 6 (2.43%) Legal
9 5 (2.02%) Documentation Skills
10 4 (1.62%) Back Office
10 4 (1.62%) General Ledger
10 4 (1.62%) Influencing Skills
11 3 (1.21%) Law
12 2 (0.81%) Wholesale Banking
13 1 (0.40%) Inclusion and Diversity
13 1 (0.40%) Manufacturing
13 1 (0.40%) Military
13 1 (0.40%) Telecoms
Job Titles
1 64 (25.91%) Developer
2 46 (18.62%) Senior
3 18 (7.29%) Software Engineer
4 16 (6.48%) Analyst
4 16 (6.48%) Unix Engineer
5 15 (6.07%) Java Developer
5 15 (6.07%) Linux Engineer
6 13 (5.26%) C++ Software Engineer
6 13 (5.26%) DevOps Engineer
6 13 (5.26%) Kafka Engineer
6 13 (5.26%) Senior C++ Software Engineer
6 13 (5.26%) Senior Linux Engineer
6 13 (5.26%) Senior Software Engineer
6 13 (5.26%) Senior Unix Engineer
6 13 (5.26%) Unix Linux Engineer
7 12 (4.86%) KDB Developer
8 10 (4.05%) Architect
8 10 (4.05%) C++ Developer
8 10 (4.05%) Infrastructure Engineer
9 8 (3.24%) Technical Support
Libraries, Frameworks & Software Standards
1 35 (14.17%) Kafka
2 21 (8.50%) Middleware
3 15 (6.07%) HTML
3 15 (6.07%) Spring
4 12 (4.86%) REST
4 12 (4.86%) SOAP
5 11 (4.45%) JSON
5 11 (4.45%) Spring Boot
5 11 (4.45%) XML
6 10 (4.05%) AngularJS
7 9 (3.64%) CSS
7 9 (3.64%) J2EE
8 8 (3.24%) Rendezvous
9 7 (2.83%) Hibernate
9 7 (2.83%) JPA
9 7 (2.83%) Node.js
9 7 (2.83%) React
10 6 (2.43%) Material-UI
10 6 (2.43%) Spring Cloud
10 6 (2.43%) Swagger
Miscellaneous
1 24 (9.72%) Foreign Exchange (FX)
2 14 (5.67%) Algorithms
3 12 (4.86%) Fixed Income
4 10 (4.05%) Cloud Native
4 10 (4.05%) Data Centre
4 10 (4.05%) Equities
5 9 (3.64%) Linux Command Line
6 8 (3.24%) Data Protection Act
6 8 (3.24%) Distributed Systems
6 8 (3.24%) Security Posture
7 7 (2.83%) Private Cloud
8 6 (2.43%) Hedge funds
8 6 (2.43%) Onboarding
9 5 (2.02%) Data Structures
9 5 (2.02%) Derivative
9 5 (2.02%) Management Information System
9 5 (2.02%) Replication
10 3 (1.21%) Cyber Kill Chain
10 3 (1.21%) Greenfield Project
10 3 (1.21%) Legacy Applications
Operating Systems
1 172 (69.64%) Linux
2 61 (24.70%) Windows
3 9 (3.64%) CentOS
3 9 (3.64%) Red Hat Enterprise Linux
4 6 (2.43%) Solaris
5 5 (2.02%) Ubuntu
5 5 (2.02%) Windows Server
6 4 (1.62%) Mac OS
7 2 (0.81%) Android
7 2 (0.81%) Apple iOS
7 2 (0.81%) VMS
7 2 (0.81%) Windows 10
7 2 (0.81%) Windows 7
8 1 (0.40%) AIX
8 1 (0.40%) Windows Server 2003
8 1 (0.40%) Windows Server 2008
Processes & Methodologies
1 94 (38.06%) Agile
2 48 (19.43%) Problem-Solving
3 42 (17.00%) DevOps
4 40 (16.19%) CI/CD
5 37 (14.98%) Software Engineering
6 30 (12.15%) Low Latency
7 28 (11.34%) Computer Science
7 28 (11.34%) OO
8 23 (9.31%) SDLC
9 22 (8.91%) Continuous Improvement
9 22 (8.91%) TDD
10 19 (7.69%) Test Automation
11 18 (7.29%) Infrastructure as Code
11 18 (7.29%) Infrastructure Automation
11 18 (7.29%) Microservices
11 18 (7.29%) Risk Management
12 16 (6.48%) Migration
13 15 (6.07%) Cybersecurity
13 15 (6.07%) Mentoring
14 14 (5.67%) Infrastructure Engineering
Programming Languages
1 126 (51.01%) SQL
2 97 (39.27%) Python
3 71 (28.74%) Java
4 51 (20.65%) C++
5 39 (15.79%) Shell Script
6 29 (11.74%) C#
7 24 (9.72%) JavaScript
8 23 (9.31%) Perl
9 22 (8.91%) Bash
10 11 (4.45%) C
11 10 (4.05%) PL/SQL
12 9 (3.64%) PowerShell
13 6 (2.43%) Groovy
14 4 (1.62%) Kusto Query Language
15 3 (1.21%) Scala
15 3 (1.21%) TypeScript
16 2 (0.81%) Embedded C++
16 2 (0.81%) Go
16 2 (0.81%) PHP
17 1 (0.40%) JCL
Qualifications
1 43 (17.41%) Degree
2 20 (8.10%) Security Cleared
3 15 (6.07%) Computer Science Degree
4 11 (4.45%) SC Cleared
5 5 (2.02%) OSCP
6 4 (1.62%) AWS Certification
6 4 (1.62%) BPSS Clearance
6 4 (1.62%) GPEN
6 4 (1.62%) GWAPT
6 4 (1.62%) ISTQB
6 4 (1.62%) ISTQB Foundation Certification
7 2 (0.81%) AWS Certified Solutions Architect
7 2 (0.81%) CISSP
7 2 (0.81%) OCA
7 2 (0.81%) OCP
7 2 (0.81%) Oracle Certification
7 2 (0.81%) PMI Certification
7 2 (0.81%) PMP
7 2 (0.81%) RHCE
8 1 (0.40%) Microsoft Certification
Quality Assurance & Compliance
1 15 (6.07%) QA
2 4 (1.62%) SLA
3 3 (1.21%) NIST
4 2 (0.81%) Accessibility
4 2 (0.81%) GMP
4 2 (0.81%) PCI DSS
5 1 (0.40%) Data Quality
5 1 (0.40%) Sarbanes-Oxley
5 1 (0.40%) SEPA
System Software
1 34 (13.77%) Docker
2 9 (3.64%) Active Directory
3 3 (1.21%) VMware Infrastructure
4 2 (0.81%) GridGain
4 2 (0.81%) vSphere
5 1 (0.40%) RACF
5 1 (0.40%) Samba
5 1 (0.40%) VMware NSX
Systems Management
1 39 (15.79%) Kubernetes
2 27 (10.93%) Terraform
3 24 (9.72%) Ansible
4 10 (4.05%) Prometheus
5 7 (2.83%) Grafana
5 7 (2.83%) ITRS Geneos
6 6 (2.43%) Puppet
7 4 (1.62%) Progress Chef
8 3 (1.21%) Ambari
8 3 (1.21%) BladeLogic
8 3 (1.21%) ZABBIX
9 2 (0.81%) Nagios
9 2 (0.81%) Nessus
9 2 (0.81%) SCCM
9 2 (0.81%) Single Sign-On
10 1 (0.40%) CASB
10 1 (0.40%) Control-M
10 1 (0.40%) NetBackup
10 1 (0.40%) Packer
10 1 (0.40%) Rundeck
Vendors
1 74 (29.96%) Oracle
2 21 (8.50%) Microsoft
3 17 (6.88%) Splunk
4 11 (4.45%) Dynatrace
5 10 (4.05%) Red Hat
5 10 (4.05%) ServiceNow
6 9 (3.64%) F5
6 9 (3.64%) TIBCO
7 8 (3.24%) VMware
8 7 (2.83%) Google
9 6 (2.43%) CA Agile Central
9 6 (2.43%) CrowdStrike
9 6 (2.43%) IBM
9 6 (2.43%) Solace
10 5 (2.02%) ION Trading
10 5 (2.02%) MuleSoft
11 4 (1.62%) Atlassian
11 4 (1.62%) CyberArk
11 4 (1.62%) Murex
12 3 (1.21%) Avaloq