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

6 months to
22 Nov 2025
Same period 2024 Same period 2023
Rank 156 140 94
Rank change year-on-year -16 -46 +6
Contract jobs citing Unix 248 297 514
As % of all contract jobs in London 1.75% 1.88% 2.56%
As % of the Operating Systems category 15.38% 15.44% 17.27%
Number of daily rates quoted 157 192 361
10th Percentile £324 £360 £390
25th Percentile £415 £438 £480
Median daily rate (50th Percentile) £551 £564 £588
Median % change year-on-year -2.26% -4.04% -2.08%
75th Percentile £738 £728 £675
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 1 4
10th Percentile £26.28 - -
25th Percentile £26.31 - £22.00
Median hourly rate £27.75 £23.80 £36.00
Median % change year-on-year +16.60% -33.89% -53.55%
75th Percentile £29.31 - £56.13
90th Percentile £29.43 - £62.65
England median hourly rate £28.00 £34.25 £57.75
% change year-on-year -18.25% -40.69% -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 1,613 1,923 2,977
As % of all contract IT jobs advertised in London 11.40% 12.16% 14.84%
Number of daily rates quoted 1,042 1,261 2,146
10th Percentile £204 £225 £204
25th Percentile £358 £350 £363
Median daily rate (50th Percentile) £500 £500 £525
Median % change year-on-year - -4.76% -4.55%
75th Percentile £613 £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 67 19 52
10th Percentile £19.06 £19.85 £18.09
25th Percentile £21.46 £22.80 £21.81
Median hourly rate £25.15 £57.50 £34.67
Median % change year-on-year -56.26% +65.85% +38.68%
75th Percentile - £69.88 £60.00
90th Percentile £53.20 £102.40 £73.63
England median hourly rate £23.00 £57.50 £37.83
% change year-on-year -60.00% +52.01% +51.31%

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 22 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 22 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 +16 49 £565 +0.44% 44
West London -2 16 £208 -52.84% 1
South London -10 2 - -
East London +1 1 £416 +4.00%
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 (8.06%) Confluence
2 9 (3.63%) SharePoint
3 4 (1.61%) nginx
3 4 (1.61%) Oracle Workflow
3 4 (1.61%) 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 8 (3.23%) Microsoft Office
2 7 (2.82%) Microsoft Excel
3 4 (1.61%) Microsoft PowerPoint
4 2 (0.81%) Microsoft Project
5 1 (0.40%) MS Visio
Business Applications
1 5 (2.02%) ION MarketView
1 5 (2.02%) Oracle EBS
1 5 (2.02%) Oracle EBS R12
2 4 (1.61%) Oracle Assets
2 4 (1.61%) Oracle Payables
3 3 (1.21%) Oracle 11i
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 Applications
5 1 (0.40%) Oracle E-Business Tax
5 1 (0.40%) Oracle Financials
5 1 (0.40%) StreamServe
Cloud Services
1 53 (21.37%) AWS
2 47 (18.95%) Azure
3 18 (7.26%) GitHub
4 14 (5.65%) GCP
5 7 (2.82%) Azure DevOps
6 5 (2.02%) Microsoft 365
7 4 (1.61%) AWS CloudFormation
7 4 (1.61%) Azure API Management
7 4 (1.61%) Azure Monitor
7 4 (1.61%) Power Platform
7 4 (1.61%) 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 ECS
9 2 (0.81%) AWS Lambda
9 2 (0.81%) Azure Key Vault
9 2 (0.81%) Cloud Computing
Communications & Networking
1 13 (5.24%) Firewall
2 12 (4.84%) HTTP
2 12 (4.84%) SSL
3 11 (4.44%) TCP/IP
4 6 (2.42%) SSH
5 5 (2.02%) DNS
6 4 (1.61%) Internet
6 4 (1.61%) 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%) Network Security
7 1 (0.40%) SMS
7 1 (0.40%) VPN
7 1 (0.40%) WAN
7 1 (0.40%) Wireless
Database & Business Intelligence
1 21 (8.47%) Oracle Database
2 19 (7.66%) Relational Database
3 15 (6.05%) KDB
4 14 (5.65%) NoSQL
4 14 (5.65%) PostgreSQL
5 13 (5.24%) Kdb+
6 9 (3.63%) MySQL
7 8 (3.23%) MongoDB
8 7 (2.82%) SQL Server
9 6 (2.42%) Big Data
9 6 (2.42%) RDBMS
10 5 (2.02%) HPCC
10 5 (2.02%) Redis
11 4 (1.61%) Data Lake
11 4 (1.61%) Data Mart
11 4 (1.61%) DB2
11 4 (1.61%) Oracle BI Publisher
11 4 (1.61%) Oracle Reports
11 4 (1.61%) Power BI
11 4 (1.61%) SQLPlus
Development Applications
1 32 (12.90%) Git
2 31 (12.50%) JIRA
3 27 (10.89%) Jenkins
4 18 (7.26%) GitLab
4 18 (7.26%) Maven
5 13 (5.24%) JUnit
6 11 (4.44%) Bitbucket
7 9 (3.63%) Gradle
7 9 (3.63%) Sonatype Nexus
8 8 (3.23%) SoapUI
8 8 (3.23%) SonarQube
9 7 (2.82%) Toad
10 6 (2.42%) Atlassian Bamboo
10 6 (2.42%) Cucumber
10 6 (2.42%) Selenium
11 5 (2.02%) IntelliJ
11 5 (2.02%) Mockito
11 5 (2.02%) Postman
11 5 (2.02%) QUnit
11 5 (2.02%) REST Assured
General
1 112 (45.16%) Finance
2 75 (30.24%) Social Skills
3 40 (16.13%) Analytical Skills
4 31 (12.50%) Banking
5 19 (7.66%) Financial Institution
5 19 (7.66%) Front Office
6 7 (2.82%) Public Sector
7 6 (2.42%) Investment Banking
7 6 (2.42%) Legal
8 5 (2.02%) Documentation Skills
9 4 (1.61%) Back Office
9 4 (1.61%) General Ledger
9 4 (1.61%) Influencing Skills
10 3 (1.21%) Law
11 2 (0.81%) Wholesale Banking
12 1 (0.40%) Inclusion and Diversity
12 1 (0.40%) Manufacturing
12 1 (0.40%) Military
Job Titles
1 68 (27.42%) Developer
2 45 (18.15%) Senior
3 18 (7.26%) Software Engineer
4 17 (6.85%) Unix Engineer
5 16 (6.45%) Linux Engineer
6 15 (6.05%) Analyst
6 15 (6.05%) Java Developer
7 14 (5.65%) Kafka Engineer
7 14 (5.65%) Senior Linux Engineer
7 14 (5.65%) Senior Unix Engineer
7 14 (5.65%) Unix Linux Engineer
8 13 (5.24%) C++ Software Engineer
8 13 (5.24%) Senior C++ Software Engineer
8 13 (5.24%) Senior Software Engineer
9 12 (4.84%) DevOps Engineer
9 12 (4.84%) KDB Developer
10 10 (4.03%) Infrastructure Engineer
11 9 (3.63%) Oracle Developer
12 8 (3.23%) C++ Developer
12 8 (3.23%) Technical Support
Libraries, Frameworks & Software Standards
1 38 (15.32%) Kafka
2 23 (9.27%) Middleware
3 14 (5.65%) HTML
3 14 (5.65%) SOAP
3 14 (5.65%) Spring
3 14 (5.65%) XML
4 11 (4.44%) JSON
4 11 (4.44%) REST
5 10 (4.03%) Spring Boot
6 9 (3.63%) AngularJS
7 8 (3.23%) CSS
7 8 (3.23%) J2EE
7 8 (3.23%) Rendezvous
8 7 (2.82%) Node.js
8 7 (2.82%) React
9 6 (2.42%) Hibernate
9 6 (2.42%) JPA
9 6 (2.42%) OpenAPI
9 6 (2.42%) XSD
10 5 (2.02%) FIX Protocol
Miscellaneous
1 25 (10.08%) Foreign Exchange (FX)
2 14 (5.65%) Algorithms
3 13 (5.24%) Fixed Income
4 11 (4.44%) Cloud Native
5 10 (4.03%) Equities
6 9 (3.63%) Linux Command Line
7 8 (3.23%) Security Posture
8 7 (2.82%) Data Centre
8 7 (2.82%) Data Protection Act
8 7 (2.82%) Distributed Systems
8 7 (2.82%) Private Cloud
9 6 (2.42%) Derivative
9 6 (2.42%) Hedge funds
9 6 (2.42%) Management Information System
9 6 (2.42%) Onboarding
10 5 (2.02%) Data Structures
10 5 (2.02%) Replication
11 4 (1.61%) Enterprise Software
12 3 (1.21%) Greenfield Project
12 3 (1.21%) Market Risk
Operating Systems
1 175 (70.56%) Linux
2 62 (25.00%) Windows
3 9 (3.63%) CentOS
3 9 (3.63%) Red Hat Enterprise Linux
4 6 (2.42%) Solaris
5 5 (2.02%) Ubuntu
5 5 (2.02%) Windows Server
6 4 (1.61%) AIX
6 4 (1.61%) 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%) Windows Server 2003
8 1 (0.40%) Windows Server 2008
Processes & Methodologies
1 91 (36.69%) Agile
2 50 (20.16%) Problem-Solving
3 42 (16.94%) DevOps
4 40 (16.13%) CI/CD
5 38 (15.32%) Software Engineering
6 31 (12.50%) Low Latency
7 27 (10.89%) OO
8 26 (10.48%) Computer Science
9 22 (8.87%) SDLC
9 22 (8.87%) TDD
10 21 (8.47%) Continuous Improvement
11 19 (7.66%) Migration
11 19 (7.66%) Risk Management
12 18 (7.26%) Infrastructure as Code
12 18 (7.26%) Test Automation
13 17 (6.85%) Infrastructure Automation
14 16 (6.45%) Microservices
15 15 (6.05%) Cybersecurity
15 15 (6.05%) Mentoring
16 14 (5.65%) Infrastructure Engineering
Programming Languages
1 133 (53.63%) SQL
2 95 (38.31%) Python
3 74 (29.84%) Java
4 51 (20.56%) C++
5 41 (16.53%) Shell Script
6 31 (12.50%) C#
6 31 (12.50%) Perl
7 23 (9.27%) JavaScript
8 21 (8.47%) Bash
9 17 (6.85%) PL/SQL
10 11 (4.44%) C
11 9 (3.63%) PowerShell
12 5 (2.02%) Groovy
12 5 (2.02%) PHP
13 4 (1.61%) Korn
13 4 (1.61%) Kusto Query Language
14 3 (1.21%) Scala
15 2 (0.81%) Embedded C++
15 2 (0.81%) Go
15 2 (0.81%) TypeScript
Qualifications
1 41 (16.53%) Degree
2 19 (7.66%) Security Cleared
3 14 (5.65%) Computer Science Degree
4 10 (4.03%) SC Cleared
5 5 (2.02%) OSCP
6 4 (1.61%) AWS Certification
6 4 (1.61%) BPSS Clearance
6 4 (1.61%) GPEN
6 4 (1.61%) GWAPT
6 4 (1.61%) ISTQB
6 4 (1.61%) 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%) Azure Certification
Quality Assurance & Compliance
1 13 (5.24%) QA
2 4 (1.61%) SLA
3 3 (1.21%) NIST
4 2 (0.81%) Data Quality
4 2 (0.81%) GMP
4 2 (0.81%) PCI DSS
4 2 (0.81%) SEPA
5 1 (0.40%) Accessibility
5 1 (0.40%) Sarbanes-Oxley
System Software
1 31 (12.50%) Docker
2 9 (3.63%) 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 33 (13.31%) Kubernetes
2 27 (10.89%) Terraform
3 25 (10.08%) Ansible
4 10 (4.03%) Prometheus
5 8 (3.23%) ITRS Geneos
6 7 (2.82%) Grafana
7 6 (2.42%) Puppet
8 4 (1.61%) Progress Chef
9 3 (1.21%) Ambari
9 3 (1.21%) BladeLogic
9 3 (1.21%) ZABBIX
10 2 (0.81%) Nagios
10 2 (0.81%) Nessus
10 2 (0.81%) SCCM
10 2 (0.81%) Single Sign-On
11 1 (0.40%) CASB
11 1 (0.40%) NetBackup
11 1 (0.40%) Packer
11 1 (0.40%) Rundeck
11 1 (0.40%) yum
Vendors
1 79 (31.85%) Oracle
2 25 (10.08%) Microsoft
3 17 (6.85%) Splunk
4 10 (4.03%) Dynatrace
4 10 (4.03%) Red Hat
4 10 (4.03%) ServiceNow
5 9 (3.63%) F5
5 9 (3.63%) IBM
5 9 (3.63%) TIBCO
6 8 (3.23%) VMware
7 6 (2.42%) CrowdStrike
7 6 (2.42%) Google
7 6 (2.42%) MuleSoft
7 6 (2.42%) Solace
8 5 (2.02%) CA Agile Central
8 5 (2.02%) ION Trading
9 4 (1.61%) Atlassian
9 4 (1.61%) Bloomberg
9 4 (1.61%) Murex
9 4 (1.61%) Tradeweb