Unix Contract Job Trends in Central London

Unix
London > Central London

The table below provides summary statistics and contractor rates for jobs advertised in Central London requiring Unix skills. It covers contract job vacancies from the 6 months leading up to 24 November 2025, with comparisons to the same periods in the previous two years.

6 months to
24 Nov 2025
Same period 2024 Same period 2023
Rank 82 101 91
Rank change year-on-year +19 -10 +5
Contract jobs citing Unix 48 35 55
As % of all contract jobs in Central London 2.45% 1.47% 1.90%
As % of the Operating Systems category 21.43% 12.07% 12.88%
Number of daily rates quoted 28 19 37
10th Percentile £359 £417 £375
25th Percentile £434 £442 £463
Median daily rate (50th Percentile) £558 £600 £600
Median % change year-on-year -7.08% - +4.35%
75th Percentile £689 £701 £700
90th Percentile £779 £890 £930
London median daily rate £565 £569 £588
% change year-on-year -0.70% -3.15% -2.08%
Number of hourly rates quoted 1 0 0
10th Percentile - - -
25th Percentile £26.50 - -
Median hourly rate £28.00 - -
75th Percentile £29.50 - -
90th Percentile - - -
London median hourly rate £27.75 £23.80 £22.00
% change year-on-year +16.60% +8.18% -71.61%

All Operating Systems
Central 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 Central London.

Contract vacancies with a requirement for operating system skills 224 290 427
As % of all contract IT jobs advertised in Central London 11.44% 12.16% 14.73%
Number of daily rates quoted 160 197 301
10th Percentile £200 £217 £181
25th Percentile £348 £350 £325
Median daily rate (50th Percentile) £518 £500 £480
Median % change year-on-year +3.50% +4.17% -4.00%
75th Percentile £668 £625 £605
90th Percentile £775 £710 £700
London median daily rate £500 £500 £525
% change year-on-year - -4.76% -4.55%
Number of hourly rates quoted 4 3 3
10th Percentile £21.08 £44.00 -
25th Percentile £24.41 £69.50 -
Median hourly rate £27.75 £112.00 £18.93
Median % change year-on-year -75.22% +491.65% -6.52%
75th Percentile £29.69 - £21.34
90th Percentile £30.03 - £22.79
London median hourly rate £25.15 £60.00 £32.50
% change year-on-year -58.08% +84.62% +30.00%

Unix
Job Vacancy Trend in Central London

Historical trend showing the proportion of contract IT job postings citing Unix relative to all contract IT jobs advertised in Central London.

Unix job vacancy trend in Central London

Unix
Daily Rate Trend in Central London

Contractor daily rate distribution trend for jobs in Central London citing Unix.

Contractor daily rate distribution trend for jobs in Central London citing Unix

Unix
Daily Rate Histogram in Central London

Daily rate distribution for jobs citing Unix in Central London over the 6 months to 24 November 2025.

Daily rate histogram for Unix in Central London

Unix
Hourly Rate Trend in Central London

Contractor hourly rate distribution trend for jobs in Central London citing Unix.

Contractor hourly rate distribution trend for jobs in Central London citing Unix

Unix
Contract Job Locations in Central 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 Central London region over the 6 months to 24 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
City of London -2 31 £570 -5.00% 5
City of Westminster - 1 £475 -
Unix
London

Unix
Co-Occurring Skills & Capabilities in Central 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 4 (8.33%) SharePoint
2 2 (4.17%) Confluence
3 1 (2.08%) Oracle SOA Suite
3 1 (2.08%) Oracle Workflow
Applications
1 3 (6.25%) Microsoft Excel
1 3 (6.25%) Microsoft Office
2 2 (4.17%) Microsoft PowerPoint
3 1 (2.08%) Microsoft Project
Business Applications
1 1 (2.08%) ION MarketView
1 1 (2.08%) Oracle Assets
1 1 (2.08%) Oracle BPM
1 1 (2.08%) Oracle EBS
1 1 (2.08%) Oracle EBS R12
1 1 (2.08%) Oracle E-Business Tax
1 1 (2.08%) Oracle General Ledger
1 1 (2.08%) Oracle Payables
1 1 (2.08%) Oracle Procure-to-Pay
Cloud Services
1 6 (12.50%) AWS
1 6 (12.50%) Azure
2 1 (2.08%) Amazon EC2
2 1 (2.08%) Amazon S3
2 1 (2.08%) AWS CloudFormation
2 1 (2.08%) AWS Lambda
2 1 (2.08%) Azure DevOps
2 1 (2.08%) GCP
2 1 (2.08%) GitHub
2 1 (2.08%) Microsoft 365
2 1 (2.08%) Power Platform
2 1 (2.08%) Serverless
Communications & Networking
1 3 (6.25%) TCP/IP
2 2 (4.17%) HTTP
2 2 (4.17%) SAN
2 2 (4.17%) SSH
2 2 (4.17%) SSL
3 1 (2.08%) DNS
3 1 (2.08%) Internet
3 1 (2.08%) NAS
Database & Business Intelligence
1 6 (12.50%) KDB
1 6 (12.50%) Oracle Database
2 4 (8.33%) Kdb+
2 4 (8.33%) PostgreSQL
2 4 (8.33%) Relational Database
3 3 (6.25%) RDBMS
3 3 (6.25%) Redis
3 3 (6.25%) SQL Server
4 2 (4.17%) NoSQL
4 2 (4.17%) SQLPlus
5 1 (2.08%) Amazon Redshift
5 1 (2.08%) Apache Cassandra
5 1 (2.08%) Big Data
5 1 (2.08%) Data Mart
5 1 (2.08%) Data Warehouse
5 1 (2.08%) Hadoop
5 1 (2.08%) MongoDB
5 1 (2.08%) MySQL
5 1 (2.08%) Oracle BI Publisher
5 1 (2.08%) Oracle Reports
Development Applications
1 7 (14.58%) Jenkins
1 7 (14.58%) JIRA
2 6 (12.50%) Git
3 4 (8.33%) Atlassian Bamboo
3 4 (8.33%) JUnit
3 4 (8.33%) Maven
4 3 (6.25%) Mockito
4 3 (6.25%) Postman
4 3 (6.25%) REST Assured
4 3 (6.25%) SoapUI
4 3 (6.25%) SonarQube
4 3 (6.25%) Subversion
4 3 (6.25%) Xcode
4 3 (6.25%) XCTest
5 2 (4.17%) Eclipse
5 2 (4.17%) IntelliJ
5 2 (4.17%) QUnit
5 2 (4.17%) Robot Framework
5 2 (4.17%) Toad
6 1 (2.08%) Oracle Forms
General
1 33 (68.75%) Finance
2 16 (33.33%) Social Skills
3 10 (20.83%) Analytical Skills
4 7 (14.58%) Banking
5 6 (12.50%) Front Office
6 5 (10.42%) Financial Institution
7 3 (6.25%) Investment Banking
8 2 (4.17%) Legal
9 1 (2.08%) Back Office
9 1 (2.08%) Documentation Skills
9 1 (2.08%) General Ledger
9 1 (2.08%) Law
Job Titles
1 15 (31.25%) Developer
1 15 (31.25%) Senior
2 13 (27.08%) Software Engineer
3 12 (25.00%) C++ Software Engineer
3 12 (25.00%) Senior C++ Software Engineer
3 12 (25.00%) Senior Software Engineer
4 5 (10.42%) Java Developer
4 5 (10.42%) KDB Developer
5 4 (8.33%) Analyst
5 4 (8.33%) Oracle Developer
6 3 (6.25%) AWS Engineer
7 2 (4.17%) Infrastructure Engineer
7 2 (4.17%) Low Latency Java Developer
7 2 (4.17%) Network Engineer
7 2 (4.17%) Network Infrastructure Engineer
7 2 (4.17%) Python Engineer
7 2 (4.17%) Senior Developer
8 1 (2.08%) Cloud Native Engineer
8 1 (2.08%) IAM Developer
8 1 (2.08%) Site Reliability Engineer
Libraries, Frameworks & Software Standards
1 7 (14.58%) Spring
2 5 (10.42%) Middleware
3 4 (8.33%) AngularJS
3 4 (8.33%) Hibernate
3 4 (8.33%) JPA
3 4 (8.33%) Kafka
3 4 (8.33%) Spring Boot
4 3 (6.25%) Bootstrap
4 3 (6.25%) CSS
4 3 (6.25%) CSS3
4 3 (6.25%) HTML
4 3 (6.25%) HTML5
4 3 (6.25%) J2EE
4 3 (6.25%) Material-UI
4 3 (6.25%) REST
4 3 (6.25%) SOAP
4 3 (6.25%) Spring Cloud
4 3 (6.25%) Spring MVC
4 3 (6.25%) Swagger
4 3 (6.25%) Web Services
Miscellaneous
1 8 (16.67%) Foreign Exchange (FX)
2 5 (10.42%) Algorithms
3 4 (8.33%) Distributed Systems
3 4 (8.33%) Fixed Income
4 3 (6.25%) Derivative
4 3 (6.25%) Greenfield Project
5 2 (4.17%) Private Cloud
6 1 (2.08%) Analytical Mindset
6 1 (2.08%) Cloud Native
6 1 (2.08%) Cloud Security Posture
6 1 (2.08%) Enterprise Software
6 1 (2.08%) Equities
6 1 (2.08%) Hedge funds
6 1 (2.08%) Linux Command Line
6 1 (2.08%) Public Cloud
6 1 (2.08%) Security Posture
6 1 (2.08%) Tandem
Operating Systems
1 30 (62.50%) Linux
2 5 (10.42%) Windows
3 1 (2.08%) Red Hat Enterprise Linux
3 1 (2.08%) Solaris
3 1 (2.08%) Windows Server
Processes & Methodologies
1 23 (47.92%) Agile
2 15 (31.25%) Software Engineering
3 13 (27.08%) Mentoring
3 13 (27.08%) Problem-Solving
4 10 (20.83%) Low Latency
5 8 (16.67%) SDLC
6 6 (12.50%) Continuous Improvement
6 6 (12.50%) DevOps
6 6 (12.50%) Risk Management
7 5 (10.42%) Computer Science
7 5 (10.42%) Concurrent Programming
7 5 (10.42%) Electronic Trading
7 5 (10.42%) Migration
7 5 (10.42%) Multithreading
7 5 (10.42%) Quantitative Finance
7 5 (10.42%) Software Delivery
7 5 (10.42%) Unit Testing
8 4 (8.33%) CI/CD
8 4 (8.33%) Code Quality
8 4 (8.33%) Infrastructure Automation
Programming Languages
1 27 (56.25%) SQL
2 15 (31.25%) C++
3 12 (25.00%) Java
3 12 (25.00%) Python
4 8 (16.67%) Shell Script
5 6 (12.50%) Perl
6 4 (8.33%) PL/SQL
7 3 (6.25%) C#
7 3 (6.25%) Groovy
7 3 (6.25%) JavaScript
8 2 (4.17%) Bash
8 2 (4.17%) PHP
9 1 (2.08%) PowerShell
Qualifications
1 18 (37.50%) Degree
2 2 (4.17%) Computer Science Degree
3 1 (2.08%) BPSS Clearance
3 1 (2.08%) CISSP
3 1 (2.08%) Postgraduate
3 1 (2.08%) SC Cleared
3 1 (2.08%) Security Cleared
Quality Assurance & Compliance
1 2 (4.17%) QA
2 1 (2.08%) Data Quality
System Software
1 4 (8.33%) Docker
2 1 (2.08%) GridGain
Systems Management
1 4 (8.33%) Ansible
1 4 (8.33%) Terraform
2 3 (6.25%) Kubernetes
3 1 (2.08%) Ambari
3 1 (2.08%) ITRS Geneos
3 1 (2.08%) Packer
3 1 (2.08%) Puppet
3 1 (2.08%) Rundeck
3 1 (2.08%) yum
3 1 (2.08%) ZABBIX
Vendors
1 12 (25.00%) Oracle
2 7 (14.58%) Microsoft
3 4 (8.33%) Splunk
4 3 (6.25%) CA Agile Central
4 3 (6.25%) Dynatrace
5 2 (4.17%) F5
6 1 (2.08%) AppDynamics
6 1 (2.08%) Bloomberg
6 1 (2.08%) IBM
6 1 (2.08%) ION Trading
6 1 (2.08%) MarketAxess
6 1 (2.08%) Murex
6 1 (2.08%) Qualys
6 1 (2.08%) ServiceNow
6 1 (2.08%) Solace
6 1 (2.08%) Sybase
6 1 (2.08%) Symantec
6 1 (2.08%) Tradeweb
6 1 (2.08%) Vertica
6 1 (2.08%) VMware