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

6 months to
14 Dec 2025
Same period 2024 Same period 2023
Rank 167 139 97
Rank change year-on-year -28 -42 +3
Contract jobs citing Unix 238 291 465
As % of all contract jobs in London 1.67% 1.91% 2.43%
As % of the Operating Systems category 15.42% 15.75% 16.70%
Number of daily rates quoted 149 189 344
10th Percentile £355 £360 £402
25th Percentile £416 £450 £488
Median daily rate (50th Percentile) £565 £568 £600
Median % change year-on-year -0.53% -5.33% -
75th Percentile £738 £725 £713
90th Percentile £775 £810 £810
England median daily rate £495 £531 £550
% change year-on-year -6.82% -3.41% -
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 £57.75
% change year-on-year -47.17% -8.23% -17.50%

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 1,543 1,848 2,784
As % of all contract IT jobs advertised in London 10.82% 12.10% 14.58%
Number of daily rates quoted 989 1,221 2,031
10th Percentile £204 £225 £204
25th Percentile £359 £360 £350
Median daily rate (50th Percentile) £500 £500 £525
Median % change year-on-year - -4.76% -4.55%
75th Percentile £615 £625 £650
90th Percentile £738 £725 £750
England median daily rate £450 £475 £475
% change year-on-year -5.26% - -7.32%
Number of hourly rates quoted 58 17 44
10th Percentile £19.09 £16.15 £18.28
25th Percentile £21.46 £23.80 £20.67
Median hourly rate £25.15 £35.00 £32.50
Median % change year-on-year -28.14% +7.69% +30.00%
75th Percentile - £68.75 £60.00
90th Percentile £58.83 £104.80 £70.85
England median hourly rate £25.15 £57.50 £32.00
% change year-on-year -56.26% +79.69% +28.00%

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 14 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 14 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 48 £565 +13.00% 10
West London -6 14 £208 -52.84% 5
East London 0 2 £416 +4.00% 7
South London -7 2 - - 10
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 (7.98%) Confluence
2 9 (3.78%) SharePoint
3 4 (1.68%) nginx
3 4 (1.68%) Oracle SOA Suite
3 4 (1.68%) Oracle Workflow
3 4 (1.68%) Tomcat
4 3 (1.26%) Apache
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 9 (3.78%) Microsoft Office
2 7 (2.94%) Microsoft Excel
3 4 (1.68%) Microsoft PowerPoint
4 2 (0.84%) Microsoft Project
5 1 (0.42%) MS Visio
Business Applications
1 5 (2.10%) Oracle EBS
1 5 (2.10%) Oracle EBS R12
2 4 (1.68%) ION MarketView
2 4 (1.68%) Oracle 11i
2 4 (1.68%) Oracle Assets
2 4 (1.68%) Oracle Payables
3 3 (1.26%) Oracle BPM
3 3 (1.26%) 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 49 (20.59%) AWS
2 44 (18.49%) Azure
3 16 (6.72%) GitHub
4 14 (5.88%) GCP
5 6 (2.52%) Azure API Management
5 6 (2.52%) Microsoft 365
6 5 (2.10%) Azure DevOps
7 4 (1.68%) AWS CloudFormation
7 4 (1.68%) Power Platform
7 4 (1.68%) SaaS
8 3 (1.26%) Amazon CloudWatch
8 3 (1.26%) Amazon EKS
8 3 (1.26%) Amazon S3
8 3 (1.26%) AWS Lambda
8 3 (1.26%) Azure Monitor
8 3 (1.26%) Datadog
8 3 (1.26%) Serverless
8 3 (1.26%) Snowflake
9 2 (0.84%) Azure AKS
9 2 (0.84%) Azure Key Vault
Communications & Networking
1 14 (5.88%) HTTP
2 13 (5.46%) Firewall
3 12 (5.04%) SSL
4 11 (4.62%) TCP/IP
5 6 (2.52%) SSH
6 4 (1.68%) DNS
7 3 (1.26%) SAN
8 2 (0.84%) Internet
8 2 (0.84%) Kerberos
9 1 (0.42%) DHCP
9 1 (0.42%) InfiniBand
9 1 (0.42%) iSCSI
9 1 (0.42%) LAN
9 1 (0.42%) Network Security
9 1 (0.42%) Spanning Tree
9 1 (0.42%) VLAN
9 1 (0.42%) WAN
9 1 (0.42%) Wireless
Database & Business Intelligence
1 23 (9.66%) Oracle Database
2 18 (7.56%) Relational Database
3 15 (6.30%) PostgreSQL
4 14 (5.88%) KDB
4 14 (5.88%) NoSQL
5 13 (5.46%) Kdb+
6 10 (4.20%) MySQL
7 8 (3.36%) MongoDB
8 7 (2.94%) SQL Server
9 6 (2.52%) RDBMS
10 5 (2.10%) Oracle Reports
10 5 (2.10%) Redis
11 4 (1.68%) DB2
11 4 (1.68%) Oracle BI Publisher
11 4 (1.68%) Oracle Database 10g
11 4 (1.68%) Power BI
11 4 (1.68%) SQLPlus
12 3 (1.26%) Data Warehouse
12 3 (1.26%) Elasticsearch
12 3 (1.26%) Tick Data
Development Applications
1 30 (12.61%) JIRA
2 26 (10.92%) Jenkins
3 20 (8.40%) Git
4 14 (5.88%) JUnit
5 13 (5.46%) GitLab
6 12 (5.04%) Maven
7 10 (4.20%) Bitbucket
8 9 (3.78%) SoapUI
9 6 (2.52%) Cucumber
9 6 (2.52%) Gradle
9 6 (2.52%) Selenium
9 6 (2.52%) Toad
10 5 (2.10%) Atlassian Bamboo
10 5 (2.10%) Mockito
10 5 (2.10%) QUnit
10 5 (2.10%) SonarQube
10 5 (2.10%) Sonatype Nexus
10 5 (2.10%) Subversion
10 5 (2.10%) Xcode
10 5 (2.10%) XCTest
General
1 111 (46.64%) Finance
2 73 (30.67%) Social Skills
3 33 (13.87%) Banking
4 30 (12.61%) Analytical Skills
5 20 (8.40%) Front Office
6 18 (7.56%) Financial Institution
7 8 (3.36%) Investment Banking
8 7 (2.94%) Public Sector
9 6 (2.52%) Legal
10 5 (2.10%) Documentation Skills
11 4 (1.68%) General Ledger
11 4 (1.68%) Influencing Skills
12 3 (1.26%) Back Office
12 3 (1.26%) Law
13 2 (0.84%) Wholesale Banking
14 1 (0.42%) Inclusion and Diversity
14 1 (0.42%) Manufacturing
14 1 (0.42%) Military
Job Titles
1 63 (26.47%) Developer
2 49 (20.59%) Senior
3 19 (7.98%) Unix Engineer
4 17 (7.14%) Kafka Engineer
4 17 (7.14%) Linux Engineer
5 16 (6.72%) Senior Linux Engineer
5 16 (6.72%) Senior Unix Engineer
5 16 (6.72%) Software Engineer
5 16 (6.72%) Unix Linux Engineer
6 15 (6.30%) C++ Software Engineer
6 15 (6.30%) Senior C++ Software Engineer
6 15 (6.30%) Senior Software Engineer
7 14 (5.88%) Analyst
8 13 (5.46%) Java Developer
9 11 (4.62%) DevOps Engineer
9 11 (4.62%) KDB Developer
10 10 (4.20%) Infrastructure Engineer
11 9 (3.78%) Oracle Developer
12 8 (3.36%) Cloud Engineer
12 8 (3.36%) Technical Support
Libraries, Frameworks & Software Standards
1 43 (18.07%) Kafka
2 21 (8.82%) Middleware
3 15 (6.30%) SOAP
4 11 (4.62%) REST
5 10 (4.20%) HTML
5 10 (4.20%) Spring
5 10 (4.20%) XML
6 9 (3.78%) AngularJS
7 8 (3.36%) CSS
8 7 (2.94%) OpenAPI
8 7 (2.94%) React
8 7 (2.94%) Rendezvous
8 7 (2.94%) Spring Boot
8 7 (2.94%) XSD
9 6 (2.52%) FIX Protocol
9 6 (2.52%) Hibernate
9 6 (2.52%) HTML5
9 6 (2.52%) JPA
9 6 (2.52%) Lambda Expressions
9 6 (2.52%) Node.js
Miscellaneous
1 22 (9.24%) Foreign Exchange (FX)
2 14 (5.88%) Algorithms
3 12 (5.04%) Cloud Native
3 12 (5.04%) Fixed Income
4 11 (4.62%) Equities
5 8 (3.36%) Data Protection Act
5 8 (3.36%) Linux Command Line
5 8 (3.36%) Management Information System
5 8 (3.36%) Security Posture
6 7 (2.94%) Derivative
6 7 (2.94%) Distributed Systems
6 7 (2.94%) Private Cloud
7 6 (2.52%) Hedge funds
7 6 (2.52%) Onboarding
8 5 (2.10%) Data Structures
8 5 (2.10%) Greenfield Project
8 5 (2.10%) Replication
9 4 (1.68%) Enterprise Software
10 3 (1.26%) Cyber Kill Chain
10 3 (1.26%) SWIFT Messaging Network
Operating Systems
1 174 (73.11%) Linux
2 56 (23.53%) Windows
3 9 (3.78%) Red Hat Enterprise Linux
4 6 (2.52%) AIX
4 6 (2.52%) CentOS
4 6 (2.52%) Solaris
5 4 (1.68%) Mac OS
5 4 (1.68%) Windows Server
6 3 (1.26%) Ubuntu
7 2 (0.84%) Android
7 2 (0.84%) Apple iOS
7 2 (0.84%) VMS
7 2 (0.84%) Windows 10
7 2 (0.84%) Windows 7
8 1 (0.42%) Windows Server 2003
8 1 (0.42%) Windows Server 2008
Processes & Methodologies
1 87 (36.55%) Agile
2 46 (19.33%) Problem-Solving
3 41 (17.23%) DevOps
4 38 (15.97%) Software Engineering
5 33 (13.87%) Low Latency
6 31 (13.03%) CI/CD
7 24 (10.08%) Computer Science
7 24 (10.08%) OO
8 21 (8.82%) SDLC
8 21 (8.82%) TDD
9 19 (7.98%) Continuous Improvement
9 19 (7.98%) Infrastructure as Code
9 19 (7.98%) Test Automation
10 18 (7.56%) Migration
10 18 (7.56%) Risk Management
11 17 (7.14%) Microservices
12 16 (6.72%) Infrastructure Automation
13 15 (6.30%) Mentoring
14 14 (5.88%) Cybersecurity
14 14 (5.88%) Infrastructure Engineering
Programming Languages
1 129 (54.20%) SQL
2 90 (37.82%) Python
3 70 (29.41%) Java
4 48 (20.17%) C++
5 40 (16.81%) Shell Script
6 35 (14.71%) Perl
7 32 (13.45%) C#
8 20 (8.40%) JavaScript
9 19 (7.98%) Bash
10 18 (7.56%) PL/SQL
11 8 (3.36%) PowerShell
12 6 (2.52%) Korn
13 5 (2.10%) C
13 5 (2.10%) Groovy
13 5 (2.10%) PHP
14 4 (1.68%) Kusto Query Language
15 3 (1.26%) Scala
16 2 (0.84%) Embedded C++
16 2 (0.84%) Go
16 2 (0.84%) TypeScript
Qualifications
1 41 (17.23%) Degree
2 20 (8.40%) Security Cleared
3 12 (5.04%) Computer Science Degree
4 10 (4.20%) SC Cleared
5 5 (2.10%) OSCP
6 4 (1.68%) AWS Certification
6 4 (1.68%) BPSS Clearance
6 4 (1.68%) GPEN
6 4 (1.68%) GWAPT
6 4 (1.68%) ISTQB
6 4 (1.68%) 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 (5.46%) QA
2 5 (2.10%) SLA
3 3 (1.26%) NIST
3 3 (1.26%) 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%) ISO 15022
5 1 (0.42%) ISO 20022
5 1 (0.42%) Sarbanes-Oxley
System Software
1 27 (11.34%) Docker
2 7 (2.94%) Active Directory
3 3 (1.26%) 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 (12.18%) Kubernetes
1 29 (12.18%) Terraform
2 25 (10.50%) Ansible
3 9 (3.78%) Prometheus
4 7 (2.94%) ITRS Geneos
4 7 (2.94%) Puppet
5 6 (2.52%) Grafana
6 4 (1.68%) Progress Chef
7 3 (1.26%) Ambari
7 3 (1.26%) ZABBIX
8 2 (0.84%) BladeLogic
8 2 (0.84%) Nagios
8 2 (0.84%) Nessus
8 2 (0.84%) SCCM
8 2 (0.84%) Single Sign-On
9 1 (0.42%) CASB
9 1 (0.42%) Control-M
9 1 (0.42%) HAProxy
9 1 (0.42%) NetBackup
9 1 (0.42%) Rundeck
Vendors
1 84 (35.29%) Oracle
2 21 (8.82%) Microsoft
3 17 (7.14%) Splunk
4 11 (4.62%) IBM
5 10 (4.20%) Red Hat
5 10 (4.20%) ServiceNow
6 9 (3.78%) F5
7 8 (3.36%) Dynatrace
7 8 (3.36%) TIBCO
8 6 (2.52%) CrowdStrike
8 6 (2.52%) Google
8 6 (2.52%) MuleSoft
8 6 (2.52%) Solace
8 6 (2.52%) VMware
9 5 (2.10%) CA Agile Central
10 4 (1.68%) Atlassian
10 4 (1.68%) CyberArk
10 4 (1.68%) ION Trading
10 4 (1.68%) Remedy
10 4 (1.68%) Tradeweb