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 2 December 2025, with comparisons to the same periods in the previous two years.

6 months to
2 Dec 2025
Same period 2024 Same period 2023
Rank 158 140 92
Rank change year-on-year -18 -48 +11
Contract jobs citing Unix 237 296 501
As % of all contract jobs in London 1.68% 1.90% 2.56%
As % of the Operating Systems category 15.13% 15.67% 17.36%
Number of daily rates quoted 149 189 359
10th Percentile £355 £360 £398
25th Percentile £416 £440 £484
Median daily rate (50th Percentile) £565 £570 £589
Median % change year-on-year -0.88% -3.23% -1.83%
75th Percentile £738 £738 £700
90th Percentile £775 £810 £810
England median daily rate £500 £525 £550
% change year-on-year -4.76% -4.55% -
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 £28.00 £53.00 £63.00
% change year-on-year -47.17% -15.87% -10.00%

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 1,566 1,889 2,886
As % of all contract IT jobs advertised in London 11.07% 12.14% 14.76%
Number of daily rates quoted 1,006 1,238 2,091
10th Percentile £204 £225 £204
25th Percentile £358 £363 £363
Median daily rate (50th Percentile) £493 £500 £525
Median % change year-on-year -1.50% -4.76% -4.55%
75th Percentile £614 £625 £650
90th Percentile £738 £725 £750
England median daily rate £450 £475 £480
% change year-on-year -5.26% -1.04% -5.88%
Number of hourly rates quoted 63 15 46
10th Percentile £18.93 £15.86 £18.47
25th Percentile £21.23 £24.00 £21.44
Median hourly rate £25.15 £57.50 £32.50
Median % change year-on-year -56.26% +76.92% +30.00%
75th Percentile - £69.88 £60.00
90th Percentile £55.55 £107.20 £73.13
England median hourly rate £24.00 £60.00 £32.50
% change year-on-year -60.00% +84.62% +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 2 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 2 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 +14 49 £565 +2.73% 10
West London -3 16 £208 -52.84% 3
East London -1 2 £416 +4.00% 4
South London -9 2 - - 5
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 19 (8.02%) Confluence
2 9 (3.80%) SharePoint
3 4 (1.69%) nginx
3 4 (1.69%) Oracle Workflow
3 4 (1.69%) Tomcat
4 3 (1.27%) Apache
4 3 (1.27%) Oracle SOA Suite
5 2 (0.84%) Oracle HTTP Server
5 2 (0.84%) SAS
5 2 (0.84%) WebLogic
5 2 (0.84%) WebSphere
6 1 (0.42%) CICS
6 1 (0.42%) IIS
6 1 (0.42%) OpenEdge
Applications
1 8 (3.38%) Microsoft Office
2 7 (2.95%) Microsoft Excel
3 4 (1.69%) Microsoft PowerPoint
4 2 (0.84%) Microsoft Project
5 1 (0.42%) MS Visio
Business Applications
1 5 (2.11%) ION MarketView
1 5 (2.11%) Oracle EBS
1 5 (2.11%) Oracle EBS R12
2 4 (1.69%) Oracle 11i
2 4 (1.69%) Oracle Assets
2 4 (1.69%) Oracle Payables
3 3 (1.27%) Oracle BPM
3 3 (1.27%) Oracle General Ledger
4 2 (0.84%) Oracle Procure-to-Pay
5 1 (0.42%) Oracle Applications
5 1 (0.42%) Oracle E-Business Tax
5 1 (0.42%) Oracle Financials
5 1 (0.42%) StreamServe
Cloud Services
1 47 (19.83%) AWS
2 45 (18.99%) Azure
3 18 (7.59%) GitHub
4 13 (5.49%) GCP
5 6 (2.53%) Azure API Management
5 6 (2.53%) Azure DevOps
6 5 (2.11%) Microsoft 365
7 4 (1.69%) AWS CloudFormation
7 4 (1.69%) Power Platform
7 4 (1.69%) SaaS
8 3 (1.27%) Amazon CloudWatch
8 3 (1.27%) Amazon EKS
8 3 (1.27%) Amazon S3
8 3 (1.27%) AWS Lambda
8 3 (1.27%) Azure Monitor
8 3 (1.27%) Datadog
8 3 (1.27%) Serverless
8 3 (1.27%) Snowflake
9 2 (0.84%) Cloud Computing
9 2 (0.84%) OpenShift
Communications & Networking
1 14 (5.91%) HTTP
2 13 (5.49%) Firewall
3 12 (5.06%) SSL
4 11 (4.64%) TCP/IP
5 6 (2.53%) SSH
6 4 (1.69%) DNS
7 3 (1.27%) SAN
8 2 (0.84%) Internet
8 2 (0.84%) Kerberos
9 1 (0.42%) BGP
9 1 (0.42%) DHCP
9 1 (0.42%) InfiniBand
9 1 (0.42%) iSCSI
9 1 (0.42%) LAN
9 1 (0.42%) MPLS
9 1 (0.42%) Network Security
9 1 (0.42%) VLAN
9 1 (0.42%) VPN
9 1 (0.42%) WAN
9 1 (0.42%) Wireless
Database & Business Intelligence
1 23 (9.70%) Oracle Database
2 17 (7.17%) Relational Database
3 15 (6.33%) KDB
3 15 (6.33%) NoSQL
3 15 (6.33%) PostgreSQL
4 13 (5.49%) Kdb+
5 10 (4.22%) MySQL
6 8 (3.38%) MongoDB
7 7 (2.95%) SQL Server
8 6 (2.53%) RDBMS
9 5 (2.11%) Redis
10 4 (1.69%) Big Data
10 4 (1.69%) Data Lake
10 4 (1.69%) Oracle BI Publisher
10 4 (1.69%) Oracle Database 10g
10 4 (1.69%) Oracle Reports
10 4 (1.69%) Power BI
10 4 (1.69%) SQLPlus
11 3 (1.27%) HPCC
11 3 (1.27%) Tick Data
Development Applications
1 30 (12.66%) JIRA
2 26 (10.97%) Jenkins
3 24 (10.13%) Git
4 16 (6.75%) GitLab
5 14 (5.91%) JUnit
5 14 (5.91%) Maven
6 10 (4.22%) Bitbucket
7 9 (3.80%) SoapUI
8 8 (3.38%) Gradle
9 6 (2.53%) Cucumber
9 6 (2.53%) Selenium
9 6 (2.53%) Toad
10 5 (2.11%) Atlassian Bamboo
10 5 (2.11%) Mockito
10 5 (2.11%) QUnit
10 5 (2.11%) SonarQube
10 5 (2.11%) Sonatype Nexus
10 5 (2.11%) Subversion
10 5 (2.11%) Xcode
10 5 (2.11%) XCTest
General
1 107 (45.15%) Finance
2 73 (30.80%) Social Skills
3 31 (13.08%) Analytical Skills
3 31 (13.08%) Banking
4 19 (8.02%) Financial Institution
5 18 (7.59%) Front Office
6 7 (2.95%) Investment Banking
7 6 (2.53%) Legal
7 6 (2.53%) Public Sector
8 5 (2.11%) Documentation Skills
9 4 (1.69%) Back Office
9 4 (1.69%) General Ledger
9 4 (1.69%) Influencing Skills
10 3 (1.27%) Law
11 2 (0.84%) Wholesale Banking
12 1 (0.42%) Inclusion and Diversity
12 1 (0.42%) Manufacturing
12 1 (0.42%) Military
Job Titles
1 64 (27.00%) Developer
2 45 (18.99%) Senior
3 18 (7.59%) Software Engineer
4 17 (7.17%) Unix Engineer
5 15 (6.33%) Analyst
5 15 (6.33%) Linux Engineer
6 14 (5.91%) C++ Software Engineer
6 14 (5.91%) Kafka Engineer
6 14 (5.91%) Senior C++ Software Engineer
6 14 (5.91%) Senior Linux Engineer
6 14 (5.91%) Senior Software Engineer
6 14 (5.91%) Senior Unix Engineer
6 14 (5.91%) Unix Linux Engineer
7 12 (5.06%) Java Developer
7 12 (5.06%) KDB Developer
8 11 (4.64%) DevOps Engineer
9 10 (4.22%) Infrastructure Engineer
10 9 (3.80%) Oracle Developer
11 8 (3.38%) Cloud Engineer
11 8 (3.38%) Technical Support
Libraries, Frameworks & Software Standards
1 40 (16.88%) Kafka
2 23 (9.70%) Middleware
3 16 (6.75%) SOAP
4 13 (5.49%) Spring
4 13 (5.49%) XML
5 11 (4.64%) HTML
5 11 (4.64%) REST
6 9 (3.80%) AngularJS
7 8 (3.38%) CSS
7 8 (3.38%) JSON
7 8 (3.38%) Rendezvous
8 7 (2.95%) OpenAPI
8 7 (2.95%) XSD
9 6 (2.53%) Hibernate
9 6 (2.53%) IBM Integration Bus
9 6 (2.53%) JPA
9 6 (2.53%) Lambda Expressions
9 6 (2.53%) Node.js
9 6 (2.53%) React
9 6 (2.53%) Spring Boot
Miscellaneous
1 23 (9.70%) Foreign Exchange (FX)
2 13 (5.49%) Algorithms
2 13 (5.49%) Fixed Income
3 12 (5.06%) Cloud Native
4 10 (4.22%) Equities
5 8 (3.38%) Linux Command Line
5 8 (3.38%) Security Posture
6 7 (2.95%) Data Protection Act
6 7 (2.95%) Derivative
6 7 (2.95%) Distributed Systems
6 7 (2.95%) Management Information System
6 7 (2.95%) Private Cloud
7 6 (2.53%) Hedge funds
7 6 (2.53%) Onboarding
8 5 (2.11%) Replication
9 4 (1.69%) Data Structures
9 4 (1.69%) Enterprise Software
9 4 (1.69%) Greenfield Project
10 3 (1.27%) Cyber Kill Chain
10 3 (1.27%) Data Centre
Operating Systems
1 173 (73.00%) Linux
2 58 (24.47%) Windows
3 9 (3.80%) Red Hat Enterprise Linux
4 7 (2.95%) CentOS
5 6 (2.53%) AIX
5 6 (2.53%) Solaris
6 4 (1.69%) Mac OS
6 4 (1.69%) Windows Server
7 3 (1.27%) Ubuntu
8 2 (0.84%) Android
8 2 (0.84%) Apple iOS
8 2 (0.84%) VMS
8 2 (0.84%) Windows 10
8 2 (0.84%) Windows 7
9 1 (0.42%) Windows Server 2003
9 1 (0.42%) Windows Server 2008
Processes & Methodologies
1 86 (36.29%) Agile
2 46 (19.41%) Problem-Solving
3 40 (16.88%) DevOps
4 38 (16.03%) Software Engineering
5 32 (13.50%) Low Latency
6 31 (13.08%) CI/CD
7 25 (10.55%) Computer Science
8 24 (10.13%) OO
9 21 (8.86%) SDLC
9 21 (8.86%) TDD
10 20 (8.44%) Continuous Improvement
11 18 (7.59%) Infrastructure as Code
11 18 (7.59%) Test Automation
12 17 (7.17%) Migration
12 17 (7.17%) Risk Management
13 16 (6.75%) Infrastructure Automation
14 15 (6.33%) Mentoring
14 15 (6.33%) Microservices
15 14 (5.91%) Cybersecurity
15 14 (5.91%) Infrastructure Engineering
Programming Languages
1 130 (54.85%) SQL
2 92 (38.82%) Python
3 71 (29.96%) Java
4 48 (20.25%) C++
5 38 (16.03%) Shell Script
6 35 (14.77%) Perl
7 30 (12.66%) C#
8 20 (8.44%) JavaScript
9 19 (8.02%) Bash
10 18 (7.59%) PL/SQL
11 8 (3.38%) PowerShell
12 7 (2.95%) C
13 6 (2.53%) Korn
14 5 (2.11%) Groovy
14 5 (2.11%) PHP
15 4 (1.69%) Kusto Query Language
16 3 (1.27%) Scala
17 2 (0.84%) Embedded C++
17 2 (0.84%) Go
17 2 (0.84%) TypeScript
Qualifications
1 41 (17.30%) Degree
2 19 (8.02%) Security Cleared
3 13 (5.49%) Computer Science Degree
4 10 (4.22%) SC Cleared
5 5 (2.11%) OSCP
6 4 (1.69%) AWS Certification
6 4 (1.69%) BPSS Clearance
6 4 (1.69%) GPEN
6 4 (1.69%) GWAPT
6 4 (1.69%) ISTQB
6 4 (1.69%) ISTQB Foundation Certification
7 2 (0.84%) AWS Certified Solutions Architect
7 2 (0.84%) CISSP
7 2 (0.84%) OCA
7 2 (0.84%) OCP
7 2 (0.84%) Oracle Certification
7 2 (0.84%) PMI Certification
7 2 (0.84%) PMP
7 2 (0.84%) RHCE
8 1 (0.42%) Microsoft Certification
Quality Assurance & Compliance
1 13 (5.49%) QA
2 4 (1.69%) SLA
3 3 (1.27%) NIST
3 3 (1.27%) SEPA
4 2 (0.84%) Data Quality
4 2 (0.84%) GMP
4 2 (0.84%) PCI DSS
5 1 (0.42%) Accessibility
5 1 (0.42%) Sarbanes-Oxley
System Software
1 27 (11.39%) Docker
2 7 (2.95%) Active Directory
3 3 (1.27%) VMware Infrastructure
4 2 (0.84%) GridGain
4 2 (0.84%) Samba
5 1 (0.42%) Ceph
5 1 (0.42%) iptables
5 1 (0.42%) KVM
5 1 (0.42%) Lustre
5 1 (0.42%) NFS
5 1 (0.42%) RACF
5 1 (0.42%) Slurm Workload Manager
5 1 (0.42%) VMware NSX
Systems Management
1 29 (12.24%) Kubernetes
2 28 (11.81%) Terraform
3 26 (10.97%) Ansible
4 9 (3.80%) Prometheus
5 8 (3.38%) ITRS Geneos
6 6 (2.53%) Grafana
6 6 (2.53%) Puppet
7 4 (1.69%) Progress Chef
8 3 (1.27%) Ambari
8 3 (1.27%) BladeLogic
8 3 (1.27%) ZABBIX
9 2 (0.84%) Nagios
9 2 (0.84%) Nessus
9 2 (0.84%) SCCM
9 2 (0.84%) Single Sign-On
10 1 (0.42%) CASB
10 1 (0.42%) Control-M
10 1 (0.42%) HAProxy
10 1 (0.42%) NetBackup
10 1 (0.42%) Rundeck
Vendors
1 80 (33.76%) Oracle
2 24 (10.13%) Microsoft
3 16 (6.75%) Splunk
4 10 (4.22%) IBM
4 10 (4.22%) Red Hat
5 9 (3.80%) Dynatrace
5 9 (3.80%) F5
5 9 (3.80%) ServiceNow
5 9 (3.80%) TIBCO
6 6 (2.53%) CrowdStrike
6 6 (2.53%) Google
6 6 (2.53%) MuleSoft
6 6 (2.53%) Solace
6 6 (2.53%) VMware
7 5 (2.11%) Bloomberg
7 5 (2.11%) CA Agile Central
7 5 (2.11%) ION Trading
7 5 (2.11%) Tradeweb
8 4 (1.69%) Atlassian
8 4 (1.69%) CyberArk