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 vacancies from the 6 months leading up to 17 September 2025, with comparisons to the same periods in the previous two years.

6 months to
17 Sep 2025
Same period 2024 Same period 2023
Rank 84 90 89
Rank change year-on-year +6 -1 +17
Contract jobs citing Unix 44 40 72
As % of all contract jobs advertised in Central London 2.26% 1.74% 2.22%
As % of the Operating Systems category 19.56% 13.16% 15.25%
Number of daily rates quoted 32 22 51
10th Percentile £359 £421 £363
25th Percentile £385 £458 £463
Median daily rate (50th Percentile) £563 £669 £600
Median % change year-on-year -15.89% +11.46% +4.35%
75th Percentile £688 £769 £700
90th Percentile £736 £877 £788
London median daily rate £530 £567 £585
% change year-on-year -6.53% -3.08% -2.50%
Number of hourly rates quoted 0 0 1
10th Percentile - - -
25th Percentile - - £47.50
Median hourly rate - - £50.00
75th Percentile - - £52.50
90th Percentile - - -
London median hourly rate £27.50 £23.80 £58.50
% change year-on-year +15.55% -59.32% -24.03%

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 225 304 472
As % of all contract IT jobs advertised in Central London 11.56% 13.22% 14.55%
Number of daily rates quoted 161 199 330
10th Percentile £250 £250 £170
25th Percentile £325 £369 £275
Median daily rate (50th Percentile) £496 £523 £500
Median % change year-on-year -5.17% +4.50% -
75th Percentile £663 £638 £638
90th Percentile £696 £728 £725
London median daily rate £496 £500 £538
% change year-on-year -0.90% -6.98% -2.27%
Number of hourly rates quoted 4 3 2
10th Percentile £20.33 £23.90 £23.88
25th Percentile £22.53 £25.06 £27.81
Median hourly rate £26.00 £27.00 £36.25
Median % change year-on-year -3.70% -25.52% +79.01%
75th Percentile £29.13 £28.19 £45.31
90th Percentile £29.80 £28.90 £49.63
London median hourly rate £25.15 £26.63 £40.00
% change year-on-year -5.54% -33.44% +67.29%

Unix
Job Vacancy Trend in Central London

Job postings citing Unix as a proportion of all IT jobs advertised in Central London.

Job vacancy trend for Unix 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 17 September 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 17 September 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 30 £603 -9.91% 5
City of Westminster - 1 £475 -
Unix
London

Unix
Co-occurring Skills and Capabilities in Central London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 3 (6.82%) Confluence
1 3 (6.82%) SAS
2 2 (4.55%) Oracle Workflow
3 1 (2.27%) Apache
3 1 (2.27%) Apache Spark
3 1 (2.27%) Oracle SOA Suite
3 1 (2.27%) SharePoint
Applications
1 1 (2.27%) Microsoft Office
Business Applications
1 2 (4.55%) Oracle Assets
1 2 (4.55%) Oracle EBS
1 2 (4.55%) Oracle EBS R12
1 2 (4.55%) Oracle Payables
2 1 (2.27%) Oracle BPM
2 1 (2.27%) Oracle E-Business Tax
2 1 (2.27%) Oracle General Ledger
2 1 (2.27%) Oracle Procure-to-Pay
Cloud Services
1 7 (15.91%) AWS
1 7 (15.91%) Azure
2 3 (6.82%) GCP
3 2 (4.55%) AWS CloudFormation
3 2 (4.55%) Virtual Private Cloud
4 1 (2.27%) Amazon EC2
4 1 (2.27%) Amazon S3
4 1 (2.27%) Azure DevOps
Communications & Networking
1 3 (6.82%) DNS
1 3 (6.82%) Firewall
1 3 (6.82%) TCP/IP
2 2 (4.55%) HTTP
2 2 (4.55%) SAN
2 2 (4.55%) SSH
2 2 (4.55%) SSL
2 2 (4.55%) VPN
3 1 (2.27%) Internet
3 1 (2.27%) NAS
3 1 (2.27%) WAN
Database & Business Intelligence
1 6 (13.64%) Oracle Database
1 6 (13.64%) PostgreSQL
2 5 (11.36%) Redis
3 4 (9.09%) Data Warehouse
3 4 (9.09%) SQL Server
4 3 (6.82%) Base SAS
4 3 (6.82%) KDB
4 3 (6.82%) Metadata
4 3 (6.82%) Relational Database
5 2 (4.55%) Big Data
5 2 (4.55%) Hadoop
5 2 (4.55%) MongoDB
5 2 (4.55%) Oracle BI Publisher
5 2 (4.55%) Oracle Reports
6 1 (2.27%) Apache Cassandra
6 1 (2.27%) Data Mart
6 1 (2.27%) DB2
6 1 (2.27%) MySQL
6 1 (2.27%) NoSQL
6 1 (2.27%) RDBMS
Development Applications
1 13 (29.55%) Jenkins
2 10 (22.73%) Git
3 9 (20.45%) JIRA
3 9 (20.45%) JUnit
4 8 (18.18%) Atlassian Bamboo
5 6 (13.64%) Maven
6 5 (11.36%) Mockito
6 5 (11.36%) Postman
6 5 (11.36%) REST Assured
6 5 (11.36%) SoapUI
6 5 (11.36%) SonarQube
6 5 (11.36%) Subversion
6 5 (11.36%) Xcode
6 5 (11.36%) XCTest
7 3 (6.82%) Bitbucket Server
8 2 (4.55%) Eclipse
8 2 (4.55%) IntelliJ
8 2 (4.55%) Oracle Forms
8 2 (4.55%) Robot Framework
9 1 (2.27%) GitLab
General
1 29 (65.91%) Finance
2 19 (43.18%) Social Skills
3 9 (20.45%) Analytical Skills
4 8 (18.18%) Banking
5 6 (13.64%) Financial Institution
6 3 (6.82%) Front Office
6 3 (6.82%) Investment Banking
7 2 (4.55%) General Ledger
8 1 (2.27%) Back Office
Job Titles
1 14 (31.82%) Developer
2 10 (22.73%) Senior
3 8 (18.18%) Software Engineer
4 7 (15.91%) C++ Software Engineer
4 7 (15.91%) Java Developer
4 7 (15.91%) Senior C++ Software Engineer
4 7 (15.91%) Senior Software Engineer
5 3 (6.82%) AWS DevOps
5 3 (6.82%) KDB Developer
5 3 (6.82%) Oracle Developer
6 2 (4.55%) AWS Engineer
6 2 (4.55%) AWS Specialist
6 2 (4.55%) Data Engineer
6 2 (4.55%) DevOps Engineer
6 2 (4.55%) DevOps Specialist
6 2 (4.55%) Infrastructure Engineer
6 2 (4.55%) Infrastructure Specialist
6 2 (4.55%) Network Engineer
6 2 (4.55%) Python Engineer
6 2 (4.55%) SAS Engineer
Libraries, Frameworks & Software Standards
1 10 (22.73%) Spring
2 7 (15.91%) AngularJS
3 6 (13.64%) Hibernate
3 6 (13.64%) JPA
3 6 (13.64%) Kafka
3 6 (13.64%) Spring Boot
3 6 (13.64%) Web Services
4 5 (11.36%) Bootstrap
4 5 (11.36%) CSS
4 5 (11.36%) CSS3
4 5 (11.36%) HTML
4 5 (11.36%) HTML5
4 5 (11.36%) J2EE
4 5 (11.36%) Material-UI
4 5 (11.36%) REST
4 5 (11.36%) SOAP
4 5 (11.36%) Spring Cloud
4 5 (11.36%) Spring MVC
4 5 (11.36%) Swagger
5 3 (6.82%) Middleware
Miscellaneous
1 8 (18.18%) Distributed Systems
2 5 (11.36%) Foreign Exchange (FX)
3 3 (6.82%) Algorithms
3 3 (6.82%) Fixed Income
4 2 (4.55%) Cloud Native
4 2 (4.55%) Derivative
4 2 (4.55%) Distributed Applications
4 2 (4.55%) Distributed Architecture
4 2 (4.55%) Private Cloud
4 2 (4.55%) Virtual Team
5 1 (2.27%) Data Centre
5 1 (2.27%) Equities
5 1 (2.27%) Hedge funds
5 1 (2.27%) Mainframe
5 1 (2.27%) Public Cloud
5 1 (2.27%) Tandem
5 1 (2.27%) Wiki
Operating Systems
1 31 (70.45%) Linux
2 4 (9.09%) Windows
3 1 (2.27%) Windows Server
Processes & Methodologies
1 18 (40.91%) Agile
2 16 (36.36%) Problem-Solving
3 13 (29.55%) Mentoring
4 12 (27.27%) SDLC
5 10 (22.73%) Software Engineering
6 9 (20.45%) DevOps
7 8 (18.18%) Low Latency
8 7 (15.91%) CI/CD
8 7 (15.91%) Concurrent Programming
8 7 (15.91%) Continuous Improvement
8 7 (15.91%) Microservices
8 7 (15.91%) Multithreading
8 7 (15.91%) Unit Testing
9 6 (13.64%) Code Quality
9 6 (13.64%) Containerisation
9 6 (13.64%) Infrastructure Automation
9 6 (13.64%) Software Architecture
9 6 (13.64%) Software Testing
10 5 (11.36%) High Availability
10 5 (11.36%) Test Automation
Programming Languages
1 25 (56.82%) SQL
2 17 (38.64%) Java
3 13 (29.55%) Python
4 11 (25.00%) C++
5 10 (22.73%) Shell Script
6 6 (13.64%) JavaScript
7 5 (11.36%) Groovy
8 4 (9.09%) Perl
9 3 (6.82%) Bash
9 3 (6.82%) PL/SQL
10 2 (4.55%) C#
10 2 (4.55%) PROC SQL
10 2 (4.55%) SAS Macro
11 1 (2.27%) C
11 1 (2.27%) COBOL
11 1 (2.27%) JCL
11 1 (2.27%) PowerShell
11 1 (2.27%) Scala
11 1 (2.27%) TypeScript
Qualifications
1 12 (27.27%) Degree
2 2 (4.55%) AWS Certification
2 2 (4.55%) AWS Certified Developer
2 2 (4.55%) AWS Certified DevOps Engineer
2 2 (4.55%) AWS Certified Solutions Architect
2 2 (4.55%) AWS Certified SysOps Administrator
2 2 (4.55%) Computer Science Degree
3 1 (2.27%) BPSS Clearance
3 1 (2.27%) Postgraduate
3 1 (2.27%) SC Cleared
3 1 (2.27%) Security Cleared
Quality Assurance & Compliance
1 1 (2.27%) Accessibility
1 1 (2.27%) Data Quality
System Software
1 8 (18.18%) Docker
2 1 (2.27%) GridGain
Systems Management
1 9 (20.45%) Kubernetes
2 6 (13.64%) Terraform
3 4 (9.09%) Ansible
3 4 (9.09%) Puppet
4 3 (6.82%) Progress Chef
5 1 (2.27%) Ambari
5 1 (2.27%) ITRS Geneos
5 1 (2.27%) Packer
5 1 (2.27%) Rundeck
5 1 (2.27%) yum
5 1 (2.27%) ZABBIX
Vendors
1 14 (31.82%) Oracle
2 5 (11.36%) CA Agile Central
2 5 (11.36%) Dynatrace
2 5 (11.36%) Splunk
3 2 (4.55%) F5
3 2 (4.55%) Microsoft
3 2 (4.55%) Sybase
4 1 (2.27%) Google
4 1 (2.27%) IBM
4 1 (2.27%) Murex
4 1 (2.27%) ServiceNow
4 1 (2.27%) Solace
4 1 (2.27%) Vertica