Period
to

The following table provides summary statistics for contract job vacancies advertised in London with a requirement for Linux skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Linux over the 6 months to 4 July 2022 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Linux
England > London
6 months to
4 Jul 2022
Same period 2021 Same period 2020
Rank 35 30 26
Rank change year-on-year -5 -4 -5
Contract jobs citing Linux 2,530 1,823 1,281
As % of all contract jobs advertised in London 6.34% 6.58% 7.27%
As % of the Operating Systems category 47.19% 46.74% 41.94%
Number of daily rates quoted 1,838 1,238 911
10th Percentile £450 £400 £360
25th Percentile £513 £463 £425
Median daily rate (50th Percentile) £610 £550 £525
Median % change year-on-year +10.91% +4.76% -4.55%
75th Percentile £700 £650 £625
90th Percentile £788 £713 £700
England median daily rate £588 £525 £500
% change year-on-year +11.90% +5.00% -
Number of hourly rates quoted 16 5 10
10th Percentile £26.31 £30.40 £25.33
25th Percentile £35.31 £47.50 £38.19
Median hourly rate £47.29 £50.00 £50.00
Median % change year-on-year -5.42% - +13.38%
75th Percentile £62.63 £61.00 £53.75
90th Percentile £72.38 £65.80 £53.88
England median hourly rate £55.00 £50.00 £47.50
% change year-on-year +10.00% +5.26% +5.56%

Linux is in the Operating Systems category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for operating system skills.

All Operating Systems
London
Contract vacancies with a requirement for operating system skills 5,361 3,900 3,054
As % of all contract IT jobs advertised in London 13.44% 14.08% 17.34%
Number of daily rates quoted 3,916 2,730 2,189
10th Percentile £233 £285 £200
25th Percentile £413 £413 £363
Median daily rate (50th Percentile) £550 £501 £475
Median % change year-on-year +9.89% +5.37% -1.04%
75th Percentile £670 £613 £575
90th Percentile £763 £700 £661
England median daily rate £500 £456 £438
% change year-on-year +9.77% +4.11% -0.57%
Number of hourly rates quoted 86 50 64
10th Percentile £15.00 £14.98 £14.50
25th Percentile £21.00 £16.96 £18.70
Median hourly rate £23.91 £33.75 £25.75
Median % change year-on-year -29.16% +31.07% +22.62%
75th Percentile £46.28 £60.75 £47.83
90th Percentile £62.75 £66.65 £53.75
England median hourly rate £22.00 £17.50 £17.50
% change year-on-year +25.71% - +1.45%

Linux
Job Vacancy Trend in London

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

Job vacancy trend for Linux in London

Linux
Contractor Daily Rate Trend in London

3-month moving average daily rate quoted in jobs citing Linux in London.

Daily rate trend for Linux in London

Linux
Daily Rate Histogram in London

Daily rate distribution for jobs citing Linux in London over the 6 months to 4 July 2022.

Daily rate histogram for Linux in London

Linux
Contractor Hourly Rate Trend in London

3-month moving average hourly rates quoted in jobs citing Linux in London.

Hourly rate trend for Linux in London

Linux
Hourly Rate Histogram in London

Hourly rate distribution of jobs citing Linux in London over the 6 months to 4 July 2022.

Hourly rate histogram for Linux in London

Linux
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 Linux within the London region over the 6 months to 4 July 2022. 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 +22 284 £600 +9.09% 152
South London +8 49 £600 +14.29% 8
West London -22 21 £500 -2.91% 36
East London -20 7 £520 +34.19% 31
North London -1 3 £534 +74.37% 3
Linux
England

For the 6 months to 4 July 2022, IT contractor jobs citing Linux also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the London region with a requirement for Linux.

1 1,052 (41.58%) Python
2 879 (34.74%) Windows
3 863 (34.11%) DevOps
4 784 (30.99%) AWS
5 732 (28.93%) Java
6 685 (27.08%) Agile
7 670 (26.48%) SQL
8 657 (25.97%) Finance
9 653 (25.81%) Unix
10 631 (24.94%) Azure
11 599 (23.68%) Kubernetes
12 597 (23.60%) Terraform
13 593 (23.44%) Docker
14 561 (22.17%) Ansible
15 551 (21.78%) CI/CD
16 488 (19.29%) Social Skills
17 473 (18.70%) Git (software)
18 451 (17.83%) Oracle
19 443 (17.51%) Red Hat Enterprise Linux
20 424 (16.76%) Jenkins
21 375 (14.82%) Security Cleared
22 370 (14.62%) Microsoft
23 355 (14.03%) Bash
23 355 (14.03%) Banking
24 344 (13.60%) Red Hat
25 338 (13.36%) VMware
26 332 (13.12%) SC Cleared
27 304 (12.02%) SQL Server
28 301 (11.90%) PowerShell
29 293 (11.58%) Problem-Solving

Linux
Co-occurring IT Skills in London by Category

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

Application Platforms
1 157 (6.21%) Confluence
2 145 (5.73%) Apache
3 105 (4.15%) Apache Spark
4 98 (3.87%) nginx
5 91 (3.60%) WebSphere
6 71 (2.81%) OpenStack
7 64 (2.53%) Tomcat
8 43 (1.70%) IIS
9 42 (1.66%) JBoss
9 42 (1.66%) Red Hat Fuse
10 39 (1.54%) Mule
11 37 (1.46%) Oracle Workflow
12 35 (1.38%) Apache Airflow
12 35 (1.38%) WebSphere Application Server
13 29 (1.15%) SharePoint
14 24 (0.95%) WebLogic
15 20 (0.79%) Apache Solr
16 18 (0.71%) Cloud Foundry
16 18 (0.71%) SAS
17 16 (0.63%) Traefik
Applications
1 56 (2.21%) Microsoft Office
2 38 (1.50%) Microsoft Excel
3 21 (0.83%) MS Visio
4 14 (0.55%) Microsoft PowerPoint
5 10 (0.40%) Microsoft Project
6 4 (0.16%) AutoCAD
7 1 (0.040%) CATIA
7 1 (0.040%) Snagit
7 1 (0.040%) Spreadsheet
Business Applications
1 12 (0.47%) BusinessWorks
1 12 (0.47%) Oracle 11i
1 12 (0.47%) RMDS
2 7 (0.28%) Magento
3 6 (0.24%) Oracle Cash Management
3 6 (0.24%) Oracle EBS
3 6 (0.24%) Oracle Receivables
3 6 (0.24%) Refinitiv Enterprise Platform
4 5 (0.20%) Actimize
4 5 (0.20%) Oracle ERP
4 5 (0.20%) SAP S/4HANA
4 5 (0.20%) Shopify
5 4 (0.16%) Fidessa
5 4 (0.16%) ION MarketView
6 3 (0.12%) Advent Geneva
6 3 (0.12%) Eikon
6 3 (0.12%) Oracle BPM
6 3 (0.12%) Oracle Payables
7 2 (0.079%) BondVision
7 2 (0.079%) Salesforce.com CRM
Cloud Services
1 784 (30.99%) AWS
2 631 (24.94%) Azure
3 243 (9.60%) GCP
4 140 (5.53%) GitHub
5 127 (5.02%) Serverless
6 126 (4.98%) PaaS
7 123 (4.86%) Azure DevOps
8 116 (4.58%) Amazon EC2
9 100 (3.95%) AWS CloudFormation
10 93 (3.68%) Amazon S3
11 88 (3.48%) SaaS
12 86 (3.40%) IaaS
13 77 (3.04%) OpenShift
14 71 (2.81%) AWS Lambda
15 60 (2.37%) Microsoft 365
16 54 (2.13%) Amazon CloudWatch
17 53 (2.09%) Virtual Private Cloud
18 51 (2.02%) Azure Active Directory
19 40 (1.58%) Azure AKS
20 39 (1.54%) GitHub Actions
Communications & Networking
1 245 (9.68%) Firewall
2 198 (7.83%) DNS
3 120 (4.74%) VPN
4 104 (4.11%) TCP/IP
5 103 (4.07%) SSL
6 81 (3.20%) HTTP
7 76 (3.00%) WAN
8 68 (2.69%) SSH
9 66 (2.61%) Internet
10 64 (2.53%) Network Security
11 55 (2.17%) DHCP
12 49 (1.94%) SAN
13 46 (1.82%) IPsec
14 45 (1.78%) LAN
15 41 (1.62%) Multicast
16 38 (1.50%) Kerberos
17 30 (1.19%) FTP
17 30 (1.19%) HTTPS
18 29 (1.15%) SMTP
19 26 (1.03%) Wireshark
Database & Business Intelligence
1 304 (12.02%) SQL Server
2 144 (5.69%) MySQL
3 138 (5.45%) PostgreSQL
4 129 (5.10%) Relational Database
5 104 (4.11%) MongoDB
6 103 (4.07%) Big Data
7 91 (3.60%) NoSQL
8 88 (3.48%) Data Warehouse
9 85 (3.36%) Hadoop
10 81 (3.20%) Oracle Database
11 56 (2.21%) Amazon RDS
12 50 (1.98%) DB2
13 39 (1.54%) SQL Server Integration Services
14 37 (1.46%) Apache Cassandra
15 36 (1.42%) Elasticsearch
16 35 (1.38%) SQL Server Reporting Services
17 34 (1.34%) Oracle Database 12c
18 30 (1.19%) Data Lake
19 27 (1.07%) RDBMS
20 24 (0.95%) HBase
Development Applications
1 473 (18.70%) Git (software)
2 424 (16.76%) Jenkins
3 285 (11.26%) JIRA
4 192 (7.59%) GitLab
5 80 (3.16%) Bitbucket
6 74 (2.92%) JUnit
6 74 (2.92%) TeamCity
7 73 (2.89%) Artifactory
8 62 (2.45%) Subversion
9 55 (2.17%) Maven
10 53 (2.09%) SonarQube
11 46 (1.82%) Sonatype Nexus
12 31 (1.23%) Gradle
13 29 (1.15%) Mockito
14 24 (0.95%) Octopus Deploy
15 22 (0.87%) IBM UrbanCode
16 19 (0.75%) Atlassian Bamboo
16 19 (0.75%) jMock
17 18 (0.71%) CircleCI
17 18 (0.71%) Selenium
General
1 657 (25.97%) Finance
2 488 (19.29%) Social Skills
3 355 (14.03%) Banking
4 266 (10.51%) Analytical Skills
5 251 (9.92%) Front Office
6 174 (6.88%) Investment Banking
7 140 (5.53%) Public Sector
8 72 (2.85%) Telecoms
9 47 (1.86%) Financial Institution
10 43 (1.70%) Presentation Skills
11 41 (1.62%) Retail
12 37 (1.46%) Back Office
13 35 (1.38%) Games
14 33 (1.30%) Legal
15 30 (1.19%) Documentation Skills
16 24 (0.95%) Marketing
17 23 (0.91%) Influencing Skills
18 20 (0.79%) Electronics
19 17 (0.67%) Manufacturing
19 17 (0.67%) Organisational Skills
Job Titles
1 573 (22.65%) Developer
2 463 (18.30%) DevOps Engineer
3 193 (7.63%) Java Developer
4 178 (7.04%) Architect
5 140 (5.53%) AWS Engineer
6 137 (5.42%) Python Developer
7 135 (5.34%) Analyst
8 123 (4.86%) Linux Engineer
9 103 (4.07%) Support Analyst
10 97 (3.83%) Administrator
10 97 (3.83%) Infrastructure Engineer
11 89 (3.52%) AWS DevOps
12 88 (3.48%) Consultant
13 84 (3.32%) AWS DevOps Engineer
14 83 (3.28%) Platform Engineer
15 78 (3.08%) Azure Engineer
16 72 (2.85%) Senior Developer
17 70 (2.77%) Data Engineer
18 67 (2.65%) Software Engineer
19 65 (2.57%) Security Engineer
Libraries, Frameworks & Software Standards
1 190 (7.51%) Kafka
2 142 (5.61%) .NET
3 133 (5.26%) REST
4 131 (5.18%) Middleware
5 128 (5.06%) React
5 128 (5.06%) Spring
6 126 (4.98%) FIX Protocol
7 121 (4.78%) HTML
8 108 (4.27%) CSS
9 106 (4.19%) Web Services
10 105 (4.15%) Elastic Stack
11 89 (3.52%) Django
12 88 (3.48%) Node.js
13 85 (3.36%) XML
14 77 (3.04%) JSON
15 65 (2.57%) Flask
16 61 (2.41%) Spring Boot
17 60 (2.37%) RabbitMQ
18 55 (2.17%) RESTful
19 54 (2.13%) Pandas
Miscellaneous
1 118 (4.66%) Data Centre
2 113 (4.47%) Foreign Exchange (FX)
3 103 (4.07%) Algorithms
4 100 (3.95%) Public Cloud
5 94 (3.72%) Linux Command Line
6 90 (3.56%) Clustering
7 81 (3.20%) Management Information System
8 76 (3.00%) PKI
9 71 (2.81%) Fixed Income
10 67 (2.65%) Private Cloud
11 63 (2.49%) Cloud Native
11 63 (2.49%) Derivative
12 57 (2.25%) Self-Motivation
13 54 (2.13%) Data Structures
14 52 (2.06%) Equities
15 47 (1.86%) SWIFT
16 45 (1.78%) Data Protection Act
17 43 (1.70%) Replication
18 42 (1.66%) Greenfield Project
19 34 (1.34%) Hybrid Cloud
Operating Systems
1 879 (34.74%) Windows
2 653 (25.81%) Unix
3 443 (17.51%) Red Hat Enterprise Linux
4 180 (7.11%) Windows Server
5 115 (4.55%) CentOS
6 79 (3.12%) Ubuntu
7 47 (1.86%) Solaris
8 39 (1.54%) Windows 10
9 33 (1.30%) AIX
10 30 (1.19%) Debian
10 30 (1.19%) Windows Server 2019
11 28 (1.11%) Mac OS
12 27 (1.07%) Windows Server 2016
13 23 (0.91%) Windows Server 2008
14 21 (0.83%) HPUX
15 20 (0.79%) VMS
15 20 (0.79%) Windows Server 2012
16 17 (0.67%) Android
16 17 (0.67%) SUSE
17 16 (0.63%) Mac OS X
Processes & Methodologies
1 863 (34.11%) DevOps
2 685 (27.08%) Agile
3 551 (21.78%) CI/CD
4 293 (11.58%) Problem-Solving
5 261 (10.32%) Test Automation
6 249 (9.84%) Configuration Management
6 249 (9.84%) Software Engineering
7 223 (8.81%) Infrastructure as Code
8 218 (8.62%) Microservices
9 199 (7.87%) Continuous Integration
10 197 (7.79%) Migration
11 192 (7.59%) Scrum
12 168 (6.64%) ITIL
13 162 (6.40%) TDD
14 152 (6.01%) Infrastructure Engineering
15 151 (5.97%) Low Latency
16 150 (5.93%) Analytics
17 149 (5.89%) Cybersecurity
18 141 (5.57%) Electronic Trading
19 134 (5.30%) Computer Science
Programming Languages
1 1,052 (41.58%) Python
2 732 (28.93%) Java
3 670 (26.48%) SQL
4 355 (14.03%) Bash
5 301 (11.90%) PowerShell
6 269 (10.63%) JavaScript
7 207 (8.18%) C++
8 199 (7.87%) Shell Script
9 165 (6.52%) Go
10 164 (6.48%) Perl
11 155 (6.13%) C#
12 140 (5.53%) C
13 137 (5.42%) Ruby
14 88 (3.48%) Scala
15 77 (3.04%) PL/SQL
16 54 (2.13%) PHP
17 52 (2.06%) Groovy
18 43 (1.70%) TypeScript
19 28 (1.11%) Korn
20 27 (1.07%) T-SQL
Qualifications
1 375 (14.82%) Security Cleared
2 332 (13.12%) SC Cleared
3 137 (5.42%) Degree
4 83 (3.28%) DV Cleared
5 52 (2.06%) Computer Science Degree
6 28 (1.11%) AWS Certification
7 22 (0.87%) PhD
8 21 (0.83%) TOGAF Certification
9 20 (0.79%) Cisco Certification
9 20 (0.79%) CISSP
9 20 (0.79%) Master's Degree
9 20 (0.79%) RHCE
10 19 (0.75%) BPSS Clearance
11 18 (0.71%) Microsoft Certification
12 13 (0.51%) RHCA
13 12 (0.47%) JNCIS
13 12 (0.47%) MCSE
14 11 (0.43%) CCNA
14 11 (0.43%) CISM
15 10 (0.40%) CEH
Quality Assurance & Compliance
1 79 (3.12%) QA
2 25 (0.99%) SLA
3 24 (0.95%) GDPR
3 24 (0.95%) ISO/IEC 27001
4 18 (0.71%) NIST
5 17 (0.67%) NCSC
5 17 (0.67%) PMO
6 11 (0.43%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
7 10 (0.40%) ISO 20022
8 9 (0.36%) SEPA
9 7 (0.28%) COBIT
9 7 (0.28%) Data Quality
10 5 (0.20%) COSO
10 5 (0.20%) Sarbanes-Oxley
10 5 (0.20%) SOC 2
11 3 (0.12%) OASIS TOSCA
11 3 (0.12%) PCI DSS
12 2 (0.079%) DICOM
12 2 (0.079%) HL7
12 2 (0.079%) ISO/IEC 27005
System Software
1 593 (23.44%) Docker
2 239 (9.45%) VMware Infrastructure
3 195 (7.71%) Active Directory
4 64 (2.53%) vSphere
5 61 (2.41%) Virtual Machines
6 45 (1.78%) VMware ESXi
7 44 (1.74%) NFS
8 38 (1.50%) Hyper-V
9 37 (1.46%) HDFS
10 30 (1.19%) Oracle RAC
11 28 (1.11%) VMware NSX
12 26 (1.03%) vCloud
13 15 (0.59%) VMware Workstation
14 14 (0.55%) Ceph
15 11 (0.43%) Virtual Servers
16 10 (0.40%) Active Directory Lightweight Directory Services
16 10 (0.40%) Firmware
17 9 (0.36%) Veritas Volume Manager
17 9 (0.36%) XenApp
17 9 (0.36%) XenDesktop
Systems Management
1 599 (23.68%) Kubernetes
2 597 (23.60%) Terraform
3 561 (22.17%) Ansible
4 215 (8.50%) Puppet
5 118 (4.66%) Prometheus
6 99 (3.91%) Grafana
7 91 (3.60%) Packer
8 86 (3.40%) Opscode Chef
9 77 (3.04%) Consul
10 57 (2.25%) ITRS Geneos
11 49 (1.94%) ZABBIX
12 33 (1.30%) HAProxy
12 33 (1.30%) SCCM
13 30 (1.19%) Single Sign-On
14 29 (1.15%) Kibana
15 28 (1.11%) Docker Swarm
15 28 (1.11%) Istio
16 27 (1.07%) Nagios
17 25 (0.99%) Active Directory Federation Services
17 25 (0.99%) Red Hat Satellite
Vendors
1 451 (17.83%) Oracle
2 370 (14.62%) Microsoft
3 344 (13.60%) Red Hat
4 338 (13.36%) VMware
5 170 (6.72%) Splunk
6 141 (5.57%) IBM
7 120 (4.74%) Cisco
8 101 (3.99%) Citrix
9 86 (3.40%) Google
10 60 (2.37%) ServiceNow
11 56 (2.21%) Sybase
12 53 (2.09%) ION Trading
13 50 (1.98%) Atlassian
14 45 (1.78%) SAP
15 44 (1.74%) Dynatrace
15 44 (1.74%) NetApp
16 42 (1.66%) HP
17 39 (1.54%) Dell
18 38 (1.50%) F5
19 36 (1.42%) CA