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

6 months to
29 Nov 2025
Same period 2024 Same period 2023
Rank 160 140 92
Rank change year-on-year -20 -48 +10
Contract jobs citing Unix 240 298 501
As % of all contract jobs in London 1.69% 1.88% 2.53%
As % of the Operating Systems category 15.13% 15.53% 17.09%
Number of daily rates quoted 151 190 355
10th Percentile £350 £360 £394
25th Percentile £416 £438 £480
Median daily rate (50th Percentile) £565 £573 £588
Median % change year-on-year -1.31% -2.55% -2.08%
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 1 3
10th Percentile £26.28 - -
25th Percentile £26.31 - -
Median hourly rate £27.75 £23.80 £22.00
Median % change year-on-year +16.60% +8.18% -71.43%
75th Percentile £29.31 - £44.50
90th Percentile £29.43 - £58.00
England median hourly rate £28.00 £47.00 £63.00
% change year-on-year -40.43% -25.40% -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 1,586 1,919 2,932
As % of all contract IT jobs advertised in London 11.18% 12.11% 14.82%
Number of daily rates quoted 1,017 1,250 2,113
10th Percentile £204 £227 £204
25th Percentile £358 £360 £363
Median daily rate (50th Percentile) £496 £500 £525
Median % change year-on-year -0.90% -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 66 18 49
10th Percentile £19.03 £16.30 £18.00
25th Percentile £21.46 £24.60 £18.93
Median hourly rate £25.15 £58.75 £32.50
Median % change year-on-year -57.19% +80.77% +30.00%
75th Percentile - £70.44 £60.00
90th Percentile £54.13 £103.60 £68.10
England median hourly rate £23.50 £60.50 £32.50
% change year-on-year -61.16% +86.15% +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 29 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 29 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 +15 49 £565 -5.83% 10
West London -7 15 £208 -52.84% 2
East London 0 2 £416 +4.00%
South London -9 2 - -
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 (7.92%) Confluence
2 9 (3.75%) SharePoint
3 4 (1.67%) nginx
3 4 (1.67%) Oracle Workflow
3 4 (1.67%) Tomcat
4 3 (1.25%) Apache
4 3 (1.25%) Oracle SOA Suite
5 2 (0.83%) Oracle HTTP Server
5 2 (0.83%) SAS
5 2 (0.83%) WebLogic
5 2 (0.83%) WebSphere
6 1 (0.42%) CICS
6 1 (0.42%) IIS
6 1 (0.42%) OpenEdge
Applications
1 8 (3.33%) Microsoft Office
2 7 (2.92%) Microsoft Excel
3 4 (1.67%) Microsoft PowerPoint
4 2 (0.83%) Microsoft Project
5 1 (0.42%) MS Visio
Business Applications
1 5 (2.08%) ION MarketView
1 5 (2.08%) Oracle EBS
1 5 (2.08%) Oracle EBS R12
2 4 (1.67%) Oracle 11i
2 4 (1.67%) Oracle Assets
2 4 (1.67%) Oracle Payables
3 3 (1.25%) Oracle BPM
3 3 (1.25%) Oracle General Ledger
4 2 (0.83%) 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 48 (20.00%) AWS
2 47 (19.58%) Azure
3 19 (7.92%) GitHub
4 13 (5.42%) GCP
5 6 (2.50%) Azure API Management
5 6 (2.50%) Azure DevOps
6 5 (2.08%) Microsoft 365
7 4 (1.67%) AWS CloudFormation
7 4 (1.67%) Power Platform
7 4 (1.67%) SaaS
8 3 (1.25%) Amazon CloudWatch
8 3 (1.25%) Amazon EKS
8 3 (1.25%) Amazon S3
8 3 (1.25%) AWS Lambda
8 3 (1.25%) Azure Monitor
8 3 (1.25%) Datadog
8 3 (1.25%) Serverless
8 3 (1.25%) Snowflake
9 2 (0.83%) Cloud Computing
9 2 (0.83%) OpenShift
Communications & Networking
1 14 (5.83%) HTTP
2 13 (5.42%) Firewall
3 12 (5.00%) SSL
4 11 (4.58%) TCP/IP
5 6 (2.50%) SSH
6 4 (1.67%) DNS
7 3 (1.25%) SAN
8 2 (0.83%) Internet
8 2 (0.83%) 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 (9.58%) Oracle Database
2 17 (7.08%) Relational Database
3 15 (6.25%) KDB
3 15 (6.25%) NoSQL
3 15 (6.25%) PostgreSQL
4 13 (5.42%) Kdb+
5 10 (4.17%) MySQL
6 8 (3.33%) MongoDB
7 7 (2.92%) SQL Server
8 6 (2.50%) Big Data
8 6 (2.50%) RDBMS
9 5 (2.08%) HPCC
9 5 (2.08%) Redis
10 4 (1.67%) Data Lake
10 4 (1.67%) Data Mart
10 4 (1.67%) Oracle BI Publisher
10 4 (1.67%) Oracle Database 10g
10 4 (1.67%) Oracle Reports
10 4 (1.67%) Power BI
10 4 (1.67%) SQLPlus
Development Applications
1 30 (12.50%) JIRA
2 26 (10.83%) Git
2 26 (10.83%) Jenkins
3 18 (7.50%) GitLab
4 14 (5.83%) JUnit
4 14 (5.83%) Maven
5 10 (4.17%) Bitbucket
6 9 (3.75%) SoapUI
7 8 (3.33%) Gradle
8 6 (2.50%) Cucumber
8 6 (2.50%) Selenium
8 6 (2.50%) Toad
9 5 (2.08%) Atlassian Bamboo
9 5 (2.08%) Mockito
9 5 (2.08%) QUnit
9 5 (2.08%) REST Assured
9 5 (2.08%) SonarQube
9 5 (2.08%) Sonatype Nexus
9 5 (2.08%) Subversion
9 5 (2.08%) Xcode
General
1 109 (45.42%) Finance
2 75 (31.25%) Social Skills
3 33 (13.75%) Analytical Skills
4 31 (12.92%) Banking
5 19 (7.92%) Financial Institution
6 18 (7.50%) Front Office
7 7 (2.92%) Investment Banking
8 6 (2.50%) Legal
8 6 (2.50%) Public Sector
9 5 (2.08%) Documentation Skills
10 4 (1.67%) Back Office
10 4 (1.67%) General Ledger
10 4 (1.67%) Influencing Skills
11 3 (1.25%) Law
12 2 (0.83%) Wholesale Banking
13 1 (0.42%) Inclusion and Diversity
13 1 (0.42%) Manufacturing
13 1 (0.42%) Military
Job Titles
1 64 (26.67%) Developer
2 46 (19.17%) Senior
3 19 (7.92%) Software Engineer
4 17 (7.08%) Unix Engineer
5 15 (6.25%) Analyst
5 15 (6.25%) Linux Engineer
6 14 (5.83%) C++ Software Engineer
6 14 (5.83%) Kafka Engineer
6 14 (5.83%) Senior C++ Software Engineer
6 14 (5.83%) Senior Linux Engineer
6 14 (5.83%) Senior Software Engineer
6 14 (5.83%) Senior Unix Engineer
6 14 (5.83%) Unix Linux Engineer
7 12 (5.00%) Java Developer
7 12 (5.00%) KDB Developer
8 10 (4.17%) DevOps Engineer
8 10 (4.17%) Infrastructure Engineer
9 9 (3.75%) Oracle Developer
10 8 (3.33%) Cloud Engineer
10 8 (3.33%) Technical Support
Libraries, Frameworks & Software Standards
1 40 (16.67%) Kafka
2 23 (9.58%) Middleware
3 16 (6.67%) SOAP
4 15 (6.25%) XML
5 13 (5.42%) HTML
5 13 (5.42%) Spring
6 11 (4.58%) REST
7 10 (4.17%) JSON
8 9 (3.75%) AngularJS
9 8 (3.33%) CSS
9 8 (3.33%) Rendezvous
10 7 (2.92%) OpenAPI
10 7 (2.92%) XSD
11 6 (2.50%) Hibernate
11 6 (2.50%) IBM Integration Bus
11 6 (2.50%) JPA
11 6 (2.50%) Node.js
11 6 (2.50%) React
11 6 (2.50%) Spring Boot
12 5 (2.08%) HTML5
Miscellaneous
1 25 (10.42%) Foreign Exchange (FX)
2 13 (5.42%) Algorithms
2 13 (5.42%) Fixed Income
3 12 (5.00%) Cloud Native
4 10 (4.17%) Equities
5 8 (3.33%) Linux Command Line
5 8 (3.33%) Security Posture
6 7 (2.92%) Data Protection Act
6 7 (2.92%) Derivative
6 7 (2.92%) Distributed Systems
6 7 (2.92%) Management Information System
6 7 (2.92%) Private Cloud
7 6 (2.50%) Hedge funds
7 6 (2.50%) Onboarding
8 5 (2.08%) Replication
9 4 (1.67%) Data Structures
9 4 (1.67%) Enterprise Software
9 4 (1.67%) Greenfield Project
10 3 (1.25%) Cloud Security Posture
10 3 (1.25%) Cyber Kill Chain
Operating Systems
1 172 (71.67%) Linux
2 60 (25.00%) Windows
3 9 (3.75%) Red Hat Enterprise Linux
4 7 (2.92%) CentOS
5 6 (2.50%) AIX
5 6 (2.50%) Solaris
6 4 (1.67%) Mac OS
6 4 (1.67%) Windows Server
7 3 (1.25%) Ubuntu
8 2 (0.83%) Android
8 2 (0.83%) Apple iOS
8 2 (0.83%) VMS
8 2 (0.83%) Windows 10
8 2 (0.83%) Windows 7
9 1 (0.42%) Windows Server 2003
9 1 (0.42%) Windows Server 2008
Processes & Methodologies
1 90 (37.50%) Agile
2 46 (19.17%) Problem-Solving
3 39 (16.25%) DevOps
3 39 (16.25%) Software Engineering
4 33 (13.75%) CI/CD
5 32 (13.33%) Low Latency
6 25 (10.42%) Computer Science
7 24 (10.00%) OO
8 23 (9.58%) TDD
9 21 (8.75%) SDLC
10 20 (8.33%) Continuous Improvement
11 18 (7.50%) Migration
11 18 (7.50%) Test Automation
12 17 (7.08%) Infrastructure as Code
12 17 (7.08%) Risk Management
13 16 (6.67%) Infrastructure Automation
14 15 (6.25%) Mentoring
14 15 (6.25%) Microservices
15 14 (5.83%) Cybersecurity
15 14 (5.83%) Infrastructure Engineering
Programming Languages
1 134 (55.83%) SQL
2 93 (38.75%) Python
3 72 (30.00%) Java
4 50 (20.83%) C++
5 38 (15.83%) Shell Script
6 35 (14.58%) Perl
7 30 (12.50%) C#
8 20 (8.33%) JavaScript
9 19 (7.92%) Bash
10 18 (7.50%) PL/SQL
11 9 (3.75%) C
12 8 (3.33%) PowerShell
13 6 (2.50%) Korn
14 5 (2.08%) Groovy
14 5 (2.08%) PHP
15 4 (1.67%) Kusto Query Language
16 3 (1.25%) Scala
17 2 (0.83%) Embedded C++
17 2 (0.83%) Go
17 2 (0.83%) TypeScript
Qualifications
1 41 (17.08%) Degree
2 19 (7.92%) Security Cleared
3 13 (5.42%) Computer Science Degree
4 10 (4.17%) SC Cleared
5 5 (2.08%) OSCP
6 4 (1.67%) AWS Certification
6 4 (1.67%) BPSS Clearance
6 4 (1.67%) GPEN
6 4 (1.67%) GWAPT
6 4 (1.67%) ISTQB
6 4 (1.67%) ISTQB Foundation Certification
7 2 (0.83%) AWS Certified Solutions Architect
7 2 (0.83%) CISSP
7 2 (0.83%) OCA
7 2 (0.83%) OCP
7 2 (0.83%) Oracle Certification
7 2 (0.83%) PMI Certification
7 2 (0.83%) PMP
7 2 (0.83%) RHCE
8 1 (0.42%) Azure Certification
Quality Assurance & Compliance
1 13 (5.42%) QA
2 4 (1.67%) SLA
3 3 (1.25%) NIST
3 3 (1.25%) SEPA
4 2 (0.83%) Data Quality
4 2 (0.83%) GMP
4 2 (0.83%) PCI DSS
5 1 (0.42%) Accessibility
5 1 (0.42%) Sarbanes-Oxley
System Software
1 26 (10.83%) Docker
2 7 (2.92%) Active Directory
3 3 (1.25%) VMware Infrastructure
4 2 (0.83%) GridGain
4 2 (0.83%) 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 (12.08%) Kubernetes
2 27 (11.25%) Terraform
3 26 (10.83%) Ansible
4 9 (3.75%) Prometheus
5 8 (3.33%) ITRS Geneos
6 6 (2.50%) Grafana
6 6 (2.50%) Puppet
7 4 (1.67%) Progress Chef
8 3 (1.25%) Ambari
8 3 (1.25%) BladeLogic
8 3 (1.25%) ZABBIX
9 2 (0.83%) Nagios
9 2 (0.83%) Nessus
9 2 (0.83%) SCCM
9 2 (0.83%) Single Sign-On
10 1 (0.42%) CASB
10 1 (0.42%) Control-M
10 1 (0.42%) NetBackup
10 1 (0.42%) Rundeck
10 1 (0.42%) SELinux
Vendors
1 80 (33.33%) Oracle
2 26 (10.83%) Microsoft
3 16 (6.67%) Splunk
4 10 (4.17%) IBM
4 10 (4.17%) Red Hat
5 9 (3.75%) Dynatrace
5 9 (3.75%) F5
5 9 (3.75%) ServiceNow
5 9 (3.75%) TIBCO
6 6 (2.50%) CrowdStrike
6 6 (2.50%) Google
6 6 (2.50%) MuleSoft
6 6 (2.50%) Solace
6 6 (2.50%) VMware
7 5 (2.08%) Bloomberg
7 5 (2.08%) CA Agile Central
7 5 (2.08%) ION Trading
7 5 (2.08%) Tradeweb
8 4 (1.67%) Atlassian
8 4 (1.67%) CyberArk