Unix Contract Job Trends in the City of London

Unix
Central London > City of London

The table below provides summary statistics and contractor rates for jobs advertised in the City of London requiring Unix skills. It covers contract job vacancies from the 6 months leading up to 17 December 2025, with comparisons to the same periods in the previous two years.

6 months to
17 Dec 2025
Same period 2024 Same period 2023
Rank 91 86 91
Rank change year-on-year -5 +5 -1
Contract jobs citing Unix 30 39 45
As % of all contract jobs in the City of London 1.66% 1.87% 1.77%
As % of the Operating Systems category 17.14% 14.66% 12.36%
Number of daily rates quoted 24 19 32
10th Percentile £433 £417 £375
25th Percentile £504 £442 £451
Median daily rate (50th Percentile) £578 £500 £515
Median % change year-on-year +15.50% -2.82% -10.52%
75th Percentile £747 £676 £628
90th Percentile £919 £748 £784
Central London median daily rate £565 £500 £563
% change year-on-year +13.00% -11.11% -2.17%
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 - - -
Central London median hourly rate £28.00 - -

All Operating Systems
City of 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 the City of London.

Contract vacancies with a requirement for operating system skills 175 266 364
As % of all contract IT jobs advertised in the City of London 9.71% 12.77% 14.33%
Number of daily rates quoted 139 176 264
10th Percentile £200 £229 £205
25th Percentile £325 £350 £350
Median daily rate (50th Percentile) £540 £505 £485
Median % change year-on-year +6.88% +4.18% -9.77%
75th Percentile £675 £625 £603
90th Percentile £775 £702 £699
Central London median daily rate £525 £500 £475
% change year-on-year +5.00% +5.26% -9.52%
Number of hourly rates quoted 2 3 2
10th Percentile £26.28 £44.00 £19.16
25th Percentile £26.31 £69.50 £19.51
Median hourly rate £27.75 £112.00 £20.72
Median % change year-on-year -75.22% +440.67% +1.05%
75th Percentile £29.31 - £22.55
90th Percentile £29.43 - £23.27
Central London median hourly rate £27.50 £112.00 £18.93
% change year-on-year -75.45% +491.65% -7.66%

Unix
Job Vacancy Trend in the City of London

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

Unix job vacancy trend in the City of London

Unix
Daily Rate Trend in the City of London

Contractor daily rate distribution trend for jobs in the City of London citing Unix.

Contractor daily rate distribution trend for jobs in the City of London citing Unix

Unix
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Unix in the City of London over the 6 months to 17 December 2025.

Daily rate histogram for Unix in the City of London

Unix
Hourly Rate Trend in the City of London

Contractor hourly rate distribution trend for jobs in the City of London citing Unix.

Contractor hourly rate distribution trend for jobs in the City of London citing Unix

Unix
Co-Occurring Skills & Capabilities in the City of 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 (13.33%) SharePoint
2 2 (6.67%) Confluence
3 1 (3.33%) Oracle SOA Suite
3 1 (3.33%) Oracle Workflow
Applications
1 3 (10.00%) Microsoft Excel
1 3 (10.00%) Microsoft Office
2 2 (6.67%) Microsoft PowerPoint
3 1 (3.33%) Microsoft Project
Business Applications
1 2 (6.67%) Oracle Procure-to-Pay
2 1 (3.33%) ION MarketView
2 1 (3.33%) Oracle Assets
2 1 (3.33%) Oracle BPM
2 1 (3.33%) Oracle EBS
2 1 (3.33%) Oracle EBS R12
2 1 (3.33%) Oracle E-Business Tax
2 1 (3.33%) Oracle General Ledger
2 1 (3.33%) Oracle Payables
Cloud Services
1 4 (13.33%) AWS
2 2 (6.67%) Azure
3 1 (3.33%) AWS CloudFormation
3 1 (3.33%) AWS Lambda
3 1 (3.33%) GCP
3 1 (3.33%) GitHub
3 1 (3.33%) Microsoft 365
3 1 (3.33%) Power Platform
3 1 (3.33%) Serverless
Communications & Networking
1 2 (6.67%) HTTP
1 2 (6.67%) SSL
1 2 (6.67%) TCP/IP
2 1 (3.33%) SAN
2 1 (3.33%) SSH
Database & Business Intelligence
1 5 (16.67%) KDB
2 4 (13.33%) Kdb+
2 4 (13.33%) Relational Database
3 3 (10.00%) Oracle Database
3 3 (10.00%) RDBMS
3 3 (10.00%) SQL Server
4 2 (6.67%) NoSQL
4 2 (6.67%) SQLPlus
5 1 (3.33%) Apache Cassandra
5 1 (3.33%) Data Mart
5 1 (3.33%) Hadoop
5 1 (3.33%) MongoDB
5 1 (3.33%) MySQL
5 1 (3.33%) Oracle BI Publisher
5 1 (3.33%) Oracle Reports
5 1 (3.33%) PostgreSQL
5 1 (3.33%) Power BI
5 1 (3.33%) Tick Data
Development Applications
1 4 (13.33%) Jenkins
1 4 (13.33%) JIRA
2 2 (6.67%) Git
2 2 (6.67%) QUnit
2 2 (6.67%) Robot Framework
2 2 (6.67%) Toad
3 1 (3.33%) Artifactory
3 1 (3.33%) Bitbucket
3 1 (3.33%) Eclipse
3 1 (3.33%) GitLab
3 1 (3.33%) Gradle
3 1 (3.33%) IntelliJ
3 1 (3.33%) JUnit
3 1 (3.33%) Maven
3 1 (3.33%) Oracle Forms
3 1 (3.33%) Sonatype Nexus
General
1 18 (60.00%) Finance
2 12 (40.00%) Social Skills
3 8 (26.67%) Analytical Skills
4 7 (23.33%) Financial Institution
5 6 (20.00%) Front Office
6 5 (16.67%) Banking
7 3 (10.00%) Investment Banking
8 2 (6.67%) Legal
9 1 (3.33%) Documentation Skills
9 1 (3.33%) General Ledger
9 1 (3.33%) Law
Job Titles
1 14 (46.67%) Developer
2 5 (16.67%) Java Developer
3 4 (13.33%) Analyst
3 4 (13.33%) KDB Developer
3 4 (13.33%) Senior
4 3 (10.00%) Oracle Developer
4 3 (10.00%) Senior Developer
5 2 (6.67%) AWS Engineer
5 2 (6.67%) C++ Developer
5 2 (6.67%) Infrastructure Engineer
5 2 (6.67%) Low Latency Java Developer
5 2 (6.67%) Network Engineer
5 2 (6.67%) Network Infrastructure Engineer
5 2 (6.67%) Python Engineer
6 1 (3.33%) Cloud Native Engineer
6 1 (3.33%) Data Migration Developer
6 1 (3.33%) Developer/Software Engineer
6 1 (3.33%) Electronic Trading Support
6 1 (3.33%) Migration Specialist
6 1 (3.33%) Site Reliability Engineer
Libraries, Frameworks & Software Standards
1 3 (10.00%) Middleware
1 3 (10.00%) Spring
2 2 (6.67%) FIX Protocol
2 2 (6.67%) Kafka
3 1 (3.33%) ActiveMQ
3 1 (3.33%) Altair
3 1 (3.33%) AngularJS
3 1 (3.33%) Hibernate
3 1 (3.33%) Java Concurrency
3 1 (3.33%) JPA
3 1 (3.33%) Murex MxML
3 1 (3.33%) OpenAPI
3 1 (3.33%) React
3 1 (3.33%) Regular Expression
3 1 (3.33%) Spring Batch
3 1 (3.33%) Spring Boot
3 1 (3.33%) XSD
Miscellaneous
1 7 (23.33%) Foreign Exchange (FX)
2 5 (16.67%) Algorithms
2 5 (16.67%) Fixed Income
3 3 (10.00%) Derivative
4 2 (6.67%) Private Cloud
5 1 (3.33%) Analytical Mindset
5 1 (3.33%) Cloud Native
5 1 (3.33%) Cloud Security Posture
5 1 (3.33%) Distributed Systems
5 1 (3.33%) Enterprise Software
5 1 (3.33%) Equities
5 1 (3.33%) Linux Command Line
5 1 (3.33%) Public Cloud
5 1 (3.33%) Security Posture
5 1 (3.33%) Tandem
Operating Systems
1 16 (53.33%) Linux
2 5 (16.67%) Windows
3 1 (3.33%) Red Hat Enterprise Linux
3 1 (3.33%) Solaris
3 1 (3.33%) Windows Server
Processes & Methodologies
1 11 (36.67%) Low Latency
2 8 (26.67%) Problem-Solving
3 7 (23.33%) Risk Management
4 6 (20.00%) Agile
4 6 (20.00%) Electronic Trading
5 5 (16.67%) Computer Science
5 5 (16.67%) DevOps
5 5 (16.67%) High Availability
5 5 (16.67%) Performance Tuning
5 5 (16.67%) Quantitative Finance
5 5 (16.67%) SDLC
5 5 (16.67%) Software Delivery
6 4 (13.33%) Migration
7 3 (10.00%) Algorithmic Trading
7 3 (10.00%) Data Analysis
7 3 (10.00%) Physics
7 3 (10.00%) Release Management
7 3 (10.00%) Scrum
7 3 (10.00%) Software Engineering
7 3 (10.00%) Stakeholder Management
Programming Languages
1 14 (46.67%) SQL
2 10 (33.33%) Python
3 8 (26.67%) Java
4 6 (20.00%) Perl
5 5 (16.67%) Shell Script
6 4 (13.33%) C#
7 3 (10.00%) C++
7 3 (10.00%) PL/SQL
8 2 (6.67%) PHP
9 1 (3.33%) Bash
9 1 (3.33%) PowerShell
Qualifications
1 7 (23.33%) Degree
2 2 (6.67%) Computer Science Degree
3 1 (3.33%) BPSS Clearance
3 1 (3.33%) CISSP
3 1 (3.33%) Postgraduate
3 1 (3.33%) SC Cleared
3 1 (3.33%) Security Cleared
Quality Assurance & Compliance
1 2 (6.67%) QA
2 1 (3.33%) Data Quality
System Software
1 1 (3.33%) Docker
1 1 (3.33%) GridGain
Systems Management
1 4 (13.33%) Ansible
2 3 (10.00%) Terraform
3 2 (6.67%) ITRS Geneos
4 1 (3.33%) Ambari
4 1 (3.33%) Puppet
4 1 (3.33%) Rundeck
4 1 (3.33%) ZABBIX
Vendors
1 9 (30.00%) Oracle
2 6 (20.00%) Microsoft
3 2 (6.67%) AppDynamics
3 2 (6.67%) Bloomberg
3 2 (6.67%) F5
3 2 (6.67%) MarketAxess
3 2 (6.67%) Splunk
3 2 (6.67%) Tradeweb
4 1 (3.33%) IBM
4 1 (3.33%) ION Trading
4 1 (3.33%) Murex
4 1 (3.33%) Qualys
4 1 (3.33%) ServiceNow
4 1 (3.33%) Solace
4 1 (3.33%) Sybase
4 1 (3.33%) Symantec
4 1 (3.33%) Tanium
4 1 (3.33%) Tenable
4 1 (3.33%) VMware