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

6 months to
7 Nov 2025
Same period 2024 Same period 2023
Rank 79 99 92
Rank change year-on-year +20 -7 +12
Contract jobs citing Unix 47 34 60
As % of all contract jobs in Central London 2.45% 1.44% 2.01%
As % of the Operating Systems category 21.86% 11.30% 13.95%
Number of daily rates quoted 27 17 39
10th Percentile £359 £415 £375
25th Percentile £419 £434 £463
Median daily rate (50th Percentile) £540 £525 £600
Median % change year-on-year +2.86% -12.50% +4.35%
75th Percentile £681 £738 £676
90th Percentile £775 £902 £928
London median daily rate £550 £550 £588
% change year-on-year - -6.38% -2.08%
Number of hourly rates quoted 1 0 1
10th Percentile - - -
25th Percentile £26.50 - £47.50
Median hourly rate £28.00 - £50.00
75th Percentile £29.50 - £52.50
90th Percentile - - -
London median hourly rate £27.75 £23.80 £50.00
% change year-on-year +16.60% -52.40% -35.48%

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 215 301 430
As % of all contract IT jobs advertised in Central London 11.23% 12.78% 14.39%
Number of daily rates quoted 152 202 294
10th Percentile £200 £250 £178
25th Percentile £322 £350 £321
Median daily rate (50th Percentile) £513 £500 £485
Median % change year-on-year +2.50% +3.09% -3.00%
75th Percentile £654 £634 £622
90th Percentile £737 £725 £700
London median daily rate £500 £500 £525
% change year-on-year - -4.76% -4.55%
Number of hourly rates quoted 5 4 4
10th Percentile £20.82 £24.29 -
25th Percentile £23.75 £26.03 £18.93
Median hourly rate £27.50 £69.50 £20.72
Median % change year-on-year -60.43% +235.51% +4.89%
75th Percentile £29.50 £112.00 £30.94
90th Percentile £29.95 - £43.88
London median hourly rate £25.15 £53.50 £35.00
% change year-on-year -52.99% +52.86% +40.00%

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 7 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 7 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 -4 29 £578 +10.00% 88
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 3 (6.38%) Confluence
2 2 (4.26%) SharePoint
3 1 (2.13%) Oracle SOA Suite
3 1 (2.13%) Oracle Workflow
Applications
1 1 (2.13%) Microsoft Excel
1 1 (2.13%) Microsoft Office
1 1 (2.13%) Microsoft Project
Business Applications
1 1 (2.13%) ION MarketView
1 1 (2.13%) Oracle Assets
1 1 (2.13%) Oracle BPM
1 1 (2.13%) Oracle EBS
1 1 (2.13%) Oracle EBS R12
1 1 (2.13%) Oracle E-Business Tax
1 1 (2.13%) Oracle General Ledger
1 1 (2.13%) Oracle Payables
1 1 (2.13%) Oracle Procure-to-Pay
Cloud Services
1 7 (14.89%) Azure
2 6 (12.77%) AWS
3 1 (2.13%) Amazon EC2
3 1 (2.13%) Amazon S3
3 1 (2.13%) AWS CloudFormation
3 1 (2.13%) AWS Lambda
3 1 (2.13%) Azure DevOps
3 1 (2.13%) GCP
3 1 (2.13%) GitHub
3 1 (2.13%) Microsoft 365
3 1 (2.13%) Power Platform
3 1 (2.13%) Serverless
Communications & Networking
1 3 (6.38%) TCP/IP
2 2 (4.26%) HTTP
2 2 (4.26%) SAN
2 2 (4.26%) SSH
2 2 (4.26%) SSL
3 1 (2.13%) DNS
3 1 (2.13%) Firewall
3 1 (2.13%) Internet
3 1 (2.13%) NAS
3 1 (2.13%) WAN
Database & Business Intelligence
1 6 (12.77%) KDB
2 5 (10.64%) Oracle Database
2 5 (10.64%) PostgreSQL
3 4 (8.51%) Kdb+
3 4 (8.51%) Redis
4 3 (6.38%) SQL Server
5 2 (4.26%) NoSQL
5 2 (4.26%) Relational Database
6 1 (2.13%) Amazon Redshift
6 1 (2.13%) Apache Cassandra
6 1 (2.13%) Big Data
6 1 (2.13%) Data Mart
6 1 (2.13%) Data Warehouse
6 1 (2.13%) Hadoop
6 1 (2.13%) MongoDB
6 1 (2.13%) MySQL
6 1 (2.13%) Oracle BI Publisher
6 1 (2.13%) Oracle Reports
6 1 (2.13%) RDBMS
6 1 (2.13%) Tick Data
Development Applications
1 9 (19.15%) JIRA
2 7 (14.89%) Jenkins
3 6 (12.77%) Git
4 5 (10.64%) Atlassian Bamboo
4 5 (10.64%) JUnit
4 5 (10.64%) Maven
5 4 (8.51%) Mockito
5 4 (8.51%) Postman
5 4 (8.51%) REST Assured
5 4 (8.51%) SoapUI
5 4 (8.51%) SonarQube
5 4 (8.51%) Subversion
5 4 (8.51%) Xcode
5 4 (8.51%) XCTest
6 2 (4.26%) Eclipse
6 2 (4.26%) IntelliJ
6 2 (4.26%) QUnit
6 2 (4.26%) Robot Framework
7 1 (2.13%) Bitbucket
7 1 (2.13%) Oracle Forms
General
1 34 (72.34%) Finance
2 15 (31.91%) Social Skills
3 11 (23.40%) Analytical Skills
4 7 (14.89%) Banking
4 7 (14.89%) Front Office
5 4 (8.51%) Financial Institution
6 3 (6.38%) Investment Banking
7 2 (4.26%) Legal
8 1 (2.13%) Back Office
8 1 (2.13%) Documentation Skills
8 1 (2.13%) General Ledger
8 1 (2.13%) Law
Job Titles
1 15 (31.91%) Senior
2 13 (27.66%) Developer
2 13 (27.66%) Software Engineer
3 12 (25.53%) C++ Software Engineer
3 12 (25.53%) Senior C++ Software Engineer
3 12 (25.53%) Senior Software Engineer
4 5 (10.64%) Java Developer
4 5 (10.64%) KDB Developer
5 4 (8.51%) Analyst
6 3 (6.38%) AWS Engineer
7 2 (4.26%) Infrastructure Engineer
7 2 (4.26%) Low Latency Java Developer
7 2 (4.26%) Network Engineer
7 2 (4.26%) Network Infrastructure Engineer
7 2 (4.26%) Oracle Developer
7 2 (4.26%) Python Engineer
7 2 (4.26%) Senior Developer
8 1 (2.13%) AWS DevOps Engineer
8 1 (2.13%) Cloud Native Engineer
8 1 (2.13%) Site Reliability Engineer
Libraries, Frameworks & Software Standards
1 8 (17.02%) Spring
2 5 (10.64%) AngularJS
2 5 (10.64%) Hibernate
2 5 (10.64%) JPA
2 5 (10.64%) Kafka
2 5 (10.64%) Middleware
2 5 (10.64%) Spring Boot
3 4 (8.51%) Bootstrap
3 4 (8.51%) CSS
3 4 (8.51%) CSS3
3 4 (8.51%) HTML
3 4 (8.51%) HTML5
3 4 (8.51%) J2EE
3 4 (8.51%) Material-UI
3 4 (8.51%) REST
3 4 (8.51%) SOAP
3 4 (8.51%) Spring Cloud
3 4 (8.51%) Spring MVC
3 4 (8.51%) Swagger
3 4 (8.51%) Web Services
Miscellaneous
1 8 (17.02%) Foreign Exchange (FX)
2 5 (10.64%) Algorithms
2 5 (10.64%) Distributed Systems
3 4 (8.51%) Fixed Income
4 3 (6.38%) Greenfield Project
5 2 (4.26%) Derivative
5 2 (4.26%) Private Cloud
6 1 (2.13%) Analytical Mindset
6 1 (2.13%) Cloud Native
6 1 (2.13%) Cloud Security Posture
6 1 (2.13%) Data Centre
6 1 (2.13%) Enterprise Software
6 1 (2.13%) Equities
6 1 (2.13%) Hedge funds
6 1 (2.13%) Linux Command Line
6 1 (2.13%) Public Cloud
6 1 (2.13%) Security Posture
6 1 (2.13%) Tandem
6 1 (2.13%) Wiki
Operating Systems
1 30 (63.83%) Linux
2 6 (12.77%) Windows
3 2 (4.26%) Windows Server
4 1 (2.13%) Red Hat Enterprise Linux
4 1 (2.13%) Solaris
Processes & Methodologies
1 24 (51.06%) Agile
2 15 (31.91%) Software Engineering
3 14 (29.79%) Mentoring
3 14 (29.79%) Problem-Solving
4 9 (19.15%) Low Latency
4 9 (19.15%) SDLC
5 7 (14.89%) Continuous Improvement
6 6 (12.77%) Concurrent Programming
6 6 (12.77%) Multithreading
6 6 (12.77%) Unit Testing
7 5 (10.64%) Code Quality
7 5 (10.64%) Computer Science
7 5 (10.64%) DevOps
7 5 (10.64%) Infrastructure Automation
7 5 (10.64%) Quantitative Finance
7 5 (10.64%) Risk Management
7 5 (10.64%) Software Architecture
7 5 (10.64%) Software Delivery
7 5 (10.64%) Software Testing
7 5 (10.64%) TDD
Programming Languages
1 25 (53.19%) SQL
2 15 (31.91%) C++
3 14 (29.79%) Java
4 12 (25.53%) Python
5 7 (14.89%) Shell Script
6 4 (8.51%) C#
6 4 (8.51%) Groovy
6 4 (8.51%) JavaScript
7 3 (6.38%) Bash
7 3 (6.38%) Perl
8 2 (4.26%) PL/SQL
8 2 (4.26%) PowerShell
9 1 (2.13%) C
Qualifications
1 18 (38.30%) Degree
2 2 (4.26%) Computer Science Degree
3 1 (2.13%) BPSS Clearance
3 1 (2.13%) CISSP
3 1 (2.13%) Postgraduate
3 1 (2.13%) SC Cleared
3 1 (2.13%) Security Cleared
Quality Assurance & Compliance
1 2 (4.26%) QA
2 1 (2.13%) Data Quality
System Software
1 5 (10.64%) Docker
2 1 (2.13%) GridGain
Systems Management
1 4 (8.51%) Kubernetes
1 4 (8.51%) Terraform
2 3 (6.38%) Ansible
3 1 (2.13%) Ambari
3 1 (2.13%) ITRS Geneos
3 1 (2.13%) Packer
3 1 (2.13%) Puppet
3 1 (2.13%) Rundeck
3 1 (2.13%) yum
3 1 (2.13%) ZABBIX
Vendors
1 11 (23.40%) Oracle
2 5 (10.64%) Microsoft
3 4 (8.51%) CA Agile Central
3 4 (8.51%) Dynatrace
3 4 (8.51%) Splunk
4 2 (4.26%) F5
4 2 (4.26%) ServiceNow
5 1 (2.13%) IBM
5 1 (2.13%) ION Trading
5 1 (2.13%) Murex
5 1 (2.13%) Qualys
5 1 (2.13%) Solace
5 1 (2.13%) Sybase
5 1 (2.13%) Symantec
5 1 (2.13%) Tanium
5 1 (2.13%) Tenable
5 1 (2.13%) Vertica
5 1 (2.13%) VMware