Period
to 16 October 2021

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 16 October 2021 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
16 Oct 2021
Same period 2020 Same period 2019
Rank 31 19 25
Rank change year-on-year -12 +6 -6
Contract jobs citing Linux 2,224 1,154 2,641
As % of all contract jobs advertised in London 6.31% 8.37% 7.14%
As % of the Operating Systems category 45.53% 50.53% 40.18%
Number of daily rates quoted 1,658 771 1,869
10th Percentile £425 £350 £363
25th Percentile £500 £425 £450
Median daily rate (50th Percentile) £575 £525 £550
Median % change year-on-year +9.52% -4.55% +4.76%
75th Percentile £663 £631 £625
90th Percentile £738 £688 £700
England median daily rate £540 £500 £500
% change year-on-year +8.00% - -
Number of hourly rates quoted 10 9 27
10th Percentile £34.53 £23.40 £25.25
25th Percentile £36.64 £25.00 £40.63
Median hourly rate £43.47 £32.00 £47.50
Median % change year-on-year +35.83% -32.63% +48.44%
75th Percentile £51.06 £38.25 £52.50
90th Percentile £62.93 £43.85 £54.25
England median hourly rate £55.50 £40.00 £45.75
% change year-on-year +38.75% -12.57% +7.65%

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 4,885 2,284 6,573
As % of all contract IT jobs advertised in London 13.86% 16.56% 17.76%
Number of daily rates quoted 3,573 1,579 4,714
10th Percentile £260 £250 £165
25th Percentile £425 £366 £325
Median daily rate (50th Percentile) £525 £495 £475
Median % change year-on-year +6.06% +4.21% -2.56%
75th Percentile £638 £575 £575
90th Percentile £713 £657 £656
England median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% -2.30%
Number of hourly rates quoted 77 28 182
10th Percentile £14.03 £14.46 £14.00
25th Percentile £16.25 £18.38 £16.63
Median hourly rate £25.00 £23.75 £20.92
Median % change year-on-year +5.26% +13.55% +11.84%
75th Percentile £48.58 £36.38 £30.75
90th Percentile £62.95 £44.80 £50.00
England median hourly rate £17.50 £18.50 £17.50
% change year-on-year -5.41% +5.71% -

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 16 October 2021.

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 16 October 2021.

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 16 October 2021. 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
Job
Vacancies
Central London -36 146 £550 +4.76% 277
West London +19 64 £570 +11.22% 87
South London -6 27 £543 +27.76% 23
East London -6 12 £394 -14.81% 62
Linux
England

For the 6 months to 16 October 2021, 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.

1 809 (36.38%) Python
2 806 (36.24%) DevOps
3 713 (32.06%) Windows
4 643 (28.91%) Agile Software Development
5 637 (28.64%) AWS
6 636 (28.60%) Java
7 599 (26.93%) Ansible
8 554 (24.91%) Finance
9 547 (24.60%) Terraform
10 530 (23.83%) Azure
11 508 (22.84%) Docker
12 502 (22.57%) Unix
13 496 (22.30%) SQL
14 464 (20.86%) Kubernetes
15 431 (19.38%) Jenkins
16 411 (18.48%) Social Skills
17 389 (17.49%) Oracle
18 362 (16.28%) Banking
19 339 (15.24%) Bash Shell
20 325 (14.61%) Git (software)
21 307 (13.80%) Red Hat Enterprise Linux
22 292 (13.13%) Test Automation
23 268 (12.05%) Red Hat
24 259 (11.65%) Microservices
25 255 (11.47%) VMware
26 253 (11.38%) Configuration Management
27 252 (11.33%) JavaScript
28 234 (10.52%) PowerShell
29 232 (10.43%) Puppet
30 228 (10.25%) 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
1 129 (5.80%) Confluence
2 122 (5.49%) Apache
3 84 (3.78%) Tomcat
4 61 (2.74%) Apache Spark
5 57 (2.56%) WebSphere
6 55 (2.47%) Mule
7 51 (2.29%) IIS
8 47 (2.11%) SharePoint
8 47 (2.11%) WebLogic
9 41 (1.84%) JBoss
10 39 (1.75%) OpenStack
11 37 (1.66%) CMS
12 36 (1.62%) Elasticsearch
13 32 (1.44%) nginx
14 22 (0.99%) Red Hat Fuse
15 19 (0.85%) Oracle Workflow
16 11 (0.49%) Appian
17 10 (0.45%) Apache Airflow
17 10 (0.45%) Cloud Foundry
17 10 (0.45%) Jupyter
Applications
1 37 (1.66%) Microsoft Office
2 19 (0.85%) Microsoft Excel
3 13 (0.58%) MS Visio
4 5 (0.22%) Spreadsheet
5 3 (0.13%) Microsoft PowerPoint
6 2 (0.090%) Chatbot
6 2 (0.090%) Microsoft Project
7 1 (0.045%) Adobe Creative Suite
7 1 (0.045%) SOLIDWORKS
7 1 (0.045%) SPSS
Business Applications
1 17 (0.76%) ION MarketView
2 6 (0.27%) BusinessWorks
3 5 (0.22%) SAP Oil and Gas
3 5 (0.22%) Sentinel
4 4 (0.18%) NetSuite
4 4 (0.18%) SAP Hybris
5 3 (0.13%) Distributed Ledger
5 3 (0.13%) Oracle BPM
6 2 (0.090%) Adobe Campaign
6 2 (0.090%) Dynamics CRM
6 2 (0.090%) Oracle EBS R12
6 2 (0.090%) Oracle Financials
6 2 (0.090%) Summit
6 2 (0.090%) SunGard Martini
7 1 (0.045%) FLEXCUBE
7 1 (0.045%) Magento
7 1 (0.045%) Oracle ERP
7 1 (0.045%) Remedy ITSM
7 1 (0.045%) SAP S/4HANA
7 1 (0.045%) Siebel CRM
Cloud Services
1 637 (28.64%) AWS
2 530 (23.83%) Azure
3 205 (9.22%) GCP
4 168 (7.55%) GitHub
5 145 (6.52%) PaaS
6 113 (5.08%) IaaS
7 100 (4.50%) AWS CloudFormation
8 84 (3.78%) SaaS
9 83 (3.73%) Amazon EC2
10 73 (3.28%) Serverless
11 71 (3.19%) Amazon S3
12 66 (2.97%) OpenShift
13 61 (2.74%) AWS Lambda
14 59 (2.65%) Virtual Private Cloud
15 54 (2.43%) Cloud Computing
16 47 (2.11%) Microsoft 365
17 43 (1.93%) Amazon CloudWatch
18 37 (1.66%) Amazon EKS
19 33 (1.48%) Amazon ECS
20 30 (1.35%) Azure Active Directory
Communications & Networking
1 227 (10.21%) Firewall
2 145 (6.52%) DNS
3 115 (5.17%) TCP/IP
4 82 (3.69%) HTTP
5 76 (3.42%) SSL
6 75 (3.37%) VPN
7 60 (2.70%) SAN
8 48 (2.16%) WAN
9 46 (2.07%) Network Security
10 45 (2.02%) Multicast
11 38 (1.71%) Internet
11 38 (1.71%) LAN
12 37 (1.66%) DHCP
13 32 (1.44%) NAS
14 26 (1.17%) Kerberos
15 25 (1.12%) IPv4
16 23 (1.03%) FIX Connectivity
16 23 (1.03%) Wi-Fi
17 18 (0.81%) SMTP
17 18 (0.81%) VLAN
Database & Business Intelligence
1 205 (9.22%) SQL Server
2 140 (6.29%) MySQL
3 134 (6.03%) Relational Database
4 120 (5.40%) NoSQL
5 115 (5.17%) Big Data
5 115 (5.17%) MongoDB
6 104 (4.68%) PostgreSQL
7 79 (3.55%) Oracle Database
8 65 (2.92%) Redis
9 63 (2.83%) Hadoop
10 56 (2.52%) Apache Cassandra
11 42 (1.89%) Data Warehouse
12 41 (1.84%) Amazon RDS
13 36 (1.62%) DB2
14 32 (1.44%) Apache Hive
15 31 (1.39%) RDBMS
16 29 (1.30%) Oracle Database 12c
17 26 (1.17%) HBase
18 25 (1.12%) Hazelcast
19 20 (0.90%) Tableau
Development Applications
1 431 (19.38%) Jenkins
2 325 (14.61%) Git (software)
3 219 (9.85%) JIRA
4 115 (5.17%) GitLab
5 114 (5.13%) Maven
6 93 (4.18%) Sonatype Nexus
7 74 (3.33%) JUnit
8 72 (3.24%) Bitbucket
8 72 (3.24%) Subversion
9 54 (2.43%) Mockito
10 52 (2.34%) TeamCity
11 47 (2.11%) SonarQube
12 46 (2.07%) Artifactory
13 44 (1.98%) Gradle
14 33 (1.48%) Atlassian Bamboo
15 30 (1.35%) Selenium
16 29 (1.30%) Cucumber
17 18 (0.81%) jMock
18 17 (0.76%) Visual Studio
19 16 (0.72%) Eclipse
General
1 554 (24.91%) Finance
2 411 (18.48%) Social Skills
3 362 (16.28%) Banking
4 182 (8.18%) Investment Banking
5 167 (7.51%) Front Office
6 143 (6.43%) Analytical Skills
7 120 (5.40%) Public Sector
8 50 (2.25%) Telecoms
9 46 (2.07%) Financial Institution
10 37 (1.66%) Presentation Skills
11 36 (1.62%) Marketing
12 31 (1.39%) Legal
13 27 (1.21%) Games
14 24 (1.08%) Electronics
15 23 (1.03%) Manufacturing
16 22 (0.99%) Documentation Skills
17 17 (0.76%) Law
18 16 (0.72%) Retail
19 15 (0.67%) Publishing
20 14 (0.63%) Organisational Skills
Job Titles
1 613 (27.56%) Developer
2 378 (17.00%) DevOps Engineer
3 261 (11.74%) Java Developer
4 164 (7.37%) Architect
5 121 (5.44%) Senior Developer
6 120 (5.40%) Linux Engineer
7 112 (5.04%) Administrator
8 105 (4.72%) AWS Engineer
9 93 (4.18%) Analyst
10 82 (3.69%) Python Developer
11 81 (3.64%) Azure Engineer
11 81 (3.64%) C++ Developer
12 80 (3.60%) Cloud Engineer
13 68 (3.06%) Site Reliability Engineer
14 67 (3.01%) AWS DevOps
15 65 (2.92%) Systems Administrator
16 62 (2.79%) Senior Java Developer
17 59 (2.65%) Site Engineer
18 58 (2.61%) Infrastructure Engineer
19 56 (2.52%) AWS DevOps Engineer
Libraries, Frameworks & Software Standards
1 216 (9.71%) Spring
2 174 (7.82%) REST
3 158 (7.10%) Web Services
4 143 (6.43%) Kafka
5 132 (5.94%) Middleware
6 114 (5.13%) .NET
6 114 (5.13%) HTML
7 96 (4.32%) RESTful
8 95 (4.27%) JSON
9 92 (4.14%) Elastic Stack
10 85 (3.82%) CSS
11 82 (3.69%) React
12 73 (3.28%) Node.js
13 68 (3.06%) Spring Boot
14 63 (2.83%) XML
15 59 (2.65%) Apache Camel
16 58 (2.61%) Django
17 55 (2.47%) FIX Protocol
18 54 (2.43%) YAML
19 53 (2.38%) LDAP
Miscellaneous
1 123 (5.53%) Algorithms
2 113 (5.08%) Data Centre
3 88 (3.96%) Fixed Income
3 88 (3.96%) Foreign Exchange (FX)
4 85 (3.82%) Derivative
5 84 (3.78%) Data Structures
6 75 (3.37%) Public Cloud
7 69 (3.10%) Data Protection Act
8 64 (2.88%) Management Information System
9 61 (2.74%) Cloud Native
10 58 (2.61%) Clustering
11 48 (2.16%) Equities
12 46 (2.07%) Linux Command Line
13 38 (1.71%) PKI
14 37 (1.66%) Self-Motivation
15 33 (1.48%) Private Cloud
16 30 (1.35%) Hedge funds
17 29 (1.30%) Enterprise Software
18 22 (0.99%) User Experience
19 21 (0.94%) Hybrid Cloud
Operating Systems
1 713 (32.06%) Windows
2 502 (22.57%) Unix
3 307 (13.80%) Red Hat Enterprise Linux
4 116 (5.22%) Windows Server
5 77 (3.46%) Ubuntu
6 65 (2.92%) CentOS
6 65 (2.92%) Solaris
7 32 (1.44%) Windows Server 2016
8 29 (1.30%) Mac OS
9 27 (1.21%) AIX
9 27 (1.21%) Mac OS X
10 26 (1.17%) Windows 10
10 26 (1.17%) Windows Server 2019
11 23 (1.03%) Debian
12 22 (0.99%) VMS
13 20 (0.90%) Android
14 18 (0.81%) Windows Server 2012
15 12 (0.54%) Apple iOS
16 11 (0.49%) HPUX
16 11 (0.49%) Windows Server 2008
Processes & Methodologies
1 806 (36.24%) DevOps
2 643 (28.91%) Agile Software Development
3 292 (13.13%) Test Automation
4 259 (11.65%) Microservices
5 253 (11.38%) Configuration Management
6 228 (10.25%) Problem-Solving
7 214 (9.62%) Infrastructure as Code
8 205 (9.22%) Continuous Integration
9 185 (8.32%) Scrum
9 185 (8.32%) TDD
10 184 (8.27%) Software Engineering
11 165 (7.42%) Migration
12 158 (7.10%) Site Reliability Engineering
13 134 (6.03%) High Availability
14 127 (5.71%) Cybersecurity
15 124 (5.58%) Open Source
16 117 (5.26%) ITIL
17 115 (5.17%) Analytics
17 115 (5.17%) Change Management
17 115 (5.17%) Electronic Trading
Programming Languages
1 809 (36.38%) Python
2 636 (28.60%) Java
3 496 (22.30%) SQL
4 339 (15.24%) Bash Shell
5 252 (11.33%) JavaScript
6 234 (10.52%) PowerShell
7 182 (8.18%) C++
8 131 (5.89%) Shell Script
9 105 (4.72%) Scala
10 103 (4.63%) C#
11 100 (4.50%) Perl
12 92 (4.14%) Go
13 89 (4.00%) Ruby
14 85 (3.82%) Java 8
15 78 (3.51%) C
16 66 (2.97%) Groovy
17 60 (2.70%) PHP
18 57 (2.56%) PL/SQL
19 45 (2.02%) Java 11
20 42 (1.89%) TypeScript
Qualifications
1 226 (10.16%) Security Cleared
2 192 (8.63%) SC Cleared
3 89 (4.00%) Degree
4 57 (2.56%) DV Cleared
5 31 (1.39%) Computer Science Degree
6 22 (0.99%) AWS Certification
7 18 (0.81%) Cisco Certification
8 15 (0.67%) CISSP
9 13 (0.58%) CCNA
9 13 (0.58%) Master's Degree
10 11 (0.49%) Microsoft Certification
11 10 (0.45%) ITIL Certification
11 10 (0.45%) RHCE
12 9 (0.40%) BPSS Clearance
13 8 (0.36%) CEH
13 8 (0.36%) GIAC
13 8 (0.36%) TOGAF Certification
13 8 (0.36%) VMware Certified Professional (VCP)
14 7 (0.31%) CCNP
14 7 (0.31%) RHCA
Quality Assurance & Compliance
1 56 (2.52%) QA
2 31 (1.39%) GDPR
3 22 (0.99%) Accessibility
4 18 (0.81%) SLA
5 16 (0.72%) NIST
6 14 (0.63%) GRC
6 14 (0.63%) ISO/IEC 27001
7 12 (0.54%) NCSC
8 8 (0.36%) PCI DSS
9 7 (0.31%) Data Quality
9 7 (0.31%) ISO/IEC 27005
10 6 (0.27%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
10 6 (0.27%) Sarbanes-Oxley
11 5 (0.22%) PMO
12 4 (0.18%) COBIT
12 4 (0.18%) ISO 20022
12 4 (0.18%) ISO/IEC 20000
12 4 (0.18%) SOC 2
13 3 (0.13%) ISO 15022
14 2 (0.090%) HIPAA
System Software
1 508 (22.84%) Docker
2 176 (7.91%) VMware Infrastructure
3 172 (7.73%) Active Directory
4 48 (2.16%) NFS
5 43 (1.93%) VMware ESXi
6 42 (1.89%) vSphere
7 25 (1.12%) HDFS
8 23 (1.03%) Virtual Machines
9 22 (0.99%) Hyper-V
9 22 (0.99%) Oracle RAC
10 17 (0.76%) Virtual Servers
11 14 (0.63%) KVM
12 13 (0.58%) VMware NSX
13 12 (0.54%) Xen
14 7 (0.31%) SRDF
14 7 (0.31%) Veritas Volume Manager
15 6 (0.27%) iptables
15 6 (0.27%) LXC
15 6 (0.27%) vCloud
16 5 (0.22%) Ceph
Systems Management
1 599 (26.93%) Ansible
2 547 (24.60%) Terraform
3 464 (20.86%) Kubernetes
4 232 (10.43%) Puppet
5 109 (4.90%) Opscode Chef
6 104 (4.68%) Prometheus
7 96 (4.32%) Grafana
8 44 (1.98%) Packer
9 39 (1.75%) ITRS Geneos
10 33 (1.48%) Kibana
11 31 (1.39%) Nagios
12 29 (1.30%) Istio
13 21 (0.94%) Data Guard
14 20 (0.90%) BladeLogic
15 19 (0.85%) QRadar
16 18 (0.81%) SCCM
16 18 (0.81%) Single Sign-On
17 17 (0.76%) Microsoft Clustering
17 17 (0.76%) Salt
18 16 (0.72%) ZABBIX
Vendors
1 389 (17.49%) Oracle
2 268 (12.05%) Red Hat
3 255 (11.47%) VMware
4 182 (8.18%) Microsoft
5 133 (5.98%) Splunk
6 100 (4.50%) Google
7 85 (3.82%) Cisco
8 83 (3.73%) IBM
9 69 (3.10%) Sybase
10 56 (2.52%) Atlassian
10 56 (2.52%) Citrix
11 46 (2.07%) SAP
12 44 (1.98%) NetApp
13 43 (1.93%) HP
14 41 (1.84%) EMC
15 34 (1.53%) ION Trading
15 34 (1.53%) ServiceNow
16 33 (1.48%) F5
17 32 (1.44%) AppDynamics
17 32 (1.44%) Dell