Period
to 24 July 2021

The following table provides summary statistics for permanent job vacancies advertised in England with a requirement for Linux skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Linux over the 6 months to 24 July 2021 with a comparison to the same period in the previous 2 years.

Linux
UK > England
6 months to
24 Jul 2021
Same period 2020 Same period 2019
Rank 26 23 20
Rank change year-on-year -3 -3 -3
Permanent jobs citing Linux 9,047 6,141 13,820
As % of all permanent jobs advertised in England 9.02% 9.42% 10.33%
As % of the Operating Systems category 48.46% 44.57% 45.13%
Number of salaries quoted 6,141 5,053 10,818
10th Percentile £33,750 £32,500 £31,767
25th Percentile £42,500 £41,250 £39,750
Median annual salary (50th Percentile) £57,500 £55,000 £55,000
Median % change year-on-year +4.55% - +4.76%
75th Percentile £76,250 £72,500 £72,500
90th Percentile £90,000 £87,500 £87,500
UK median annual salary £56,000 £55,000 £52,500
% change year-on-year +1.82% +4.76% -

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

All Operating Systems
England
Permanent vacancies with a requirement for operating system skills 18,670 13,777 30,625
As % of all permanent IT jobs advertised in England 18.62% 21.14% 22.90%
Number of salaries quoted 13,607 11,469 24,698
10th Percentile £27,000 £27,500 £25,750
25th Percentile £36,250 £36,250 £32,500
Median annual salary (50th Percentile) £50,000 £50,000 £47,500
Median % change year-on-year - +5.26% -
75th Percentile £68,750 £67,500 £65,000
90th Percentile £85,000 £80,000 £80,000
UK median annual salary £50,000 £50,000 £47,000
% change year-on-year - +6.38% -1.05%

Linux
Job Vacancy Trend in England

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

Job vacancy trend for Linux in England

Linux
Salary Trend in England

3-month moving average salary quoted in jobs citing Linux in England.

Salary trend for Linux in England

Linux
Salary Histogram in England

Salary distribution for jobs citing Linux in England over the 6 months to 24 July 2021.

Salary histogram for Linux in England

Linux
Job Locations in England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Linux within the England region over the 6 months to 24 July 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
London -7 3,610 £75,000 +11.11% 722
South East -2 1,736 £50,000 - 327
North of England +5 1,335 £50,000 - 309
South West -1 1,026 £47,500 +5.56% 178
Midlands 0 749 £47,500 +0.26% 203
North West +4 621 £50,000 +2.04% 179
Yorkshire +7 497 £49,500 -1.00% 97
West Midlands -3 466 £50,000 +5.26% 123
East of England -7 402 £50,000 +5.26% 175
East Midlands +2 278 £45,000 +5.88% 79
North East +23 220 £50,000 +16.28% 33
Linux
UK

For the 6 months to 24 July 2021, IT 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 permanent job ads across the England region with a requirement for Linux.

1 3,476 (38.42%) AWS
2 3,255 (35.98%) DevOps
3 3,119 (34.48%) Python
4 2,965 (32.77%) Agile Software Development
5 2,678 (29.60%) Windows
6 2,585 (28.57%) Docker
7 2,438 (26.95%) Azure
8 2,133 (23.58%) Kubernetes
9 2,076 (22.95%) Java
10 1,953 (21.59%) Git (software)
11 1,895 (20.95%) Software Engineering
12 1,876 (20.74%) Terraform
13 1,874 (20.71%) SQL
14 1,861 (20.57%) Ansible
15 1,759 (19.44%) Social Skills
16 1,722 (19.03%) Finance
17 1,546 (17.09%) JavaScript
18 1,505 (16.64%) Unix
19 1,490 (16.47%) Jenkins
20 1,393 (15.40%) Problem-Solving
21 1,357 (15.00%) Bash Shell
22 1,353 (14.96%) Microsoft
23 1,317 (14.56%) Degree
24 1,207 (13.34%) VMware
25 1,196 (13.22%) Microservices
26 1,120 (12.38%) Puppet
27 1,085 (11.99%) MySQL
28 1,049 (11.60%) Computer Science
29 1,034 (11.43%) C++
30 1,032 (11.41%) Infrastructure as Code

Linux
Co-occurring IT Skills in England 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
1 562 (6.21%) Apache
2 379 (4.19%) Confluence
3 289 (3.19%) Apache Spark
4 280 (3.09%) Elasticsearch
5 241 (2.66%) nginx
6 175 (1.93%) IIS
7 170 (1.88%) GemFire
7 170 (1.88%) Tomcat
8 120 (1.33%) SharePoint
9 108 (1.19%) WebLogic
10 105 (1.16%) MS Exchange
11 92 (1.02%) CMS
12 91 (1.01%) OpenStack
13 85 (0.94%) WordPress
14 83 (0.92%) Apache Airflow
15 74 (0.82%) GeoServer
16 60 (0.66%) Oracle SOA Suite
17 51 (0.56%) Cloud Foundry
18 49 (0.54%) JBoss
19 36 (0.40%) Tornado
Applications
1 132 (1.46%) Microsoft Office
2 37 (0.41%) Microsoft Excel
3 24 (0.27%) Photoshop
3 24 (0.27%) Simulink
4 23 (0.25%) Microsoft Project
5 20 (0.22%) MS Visio
6 18 (0.20%) Adobe Illustrator
7 17 (0.19%) GIMP
8 13 (0.14%) Microsoft PowerPoint
9 10 (0.11%) Spreadsheet
10 6 (0.066%) Gephi
11 5 (0.055%) Stata
12 4 (0.044%) Maya
12 4 (0.044%) NUKE
13 3 (0.033%) Houdini
14 2 (0.022%) Sketch
15 1 (0.011%) Adobe After Effects
15 1 (0.011%) Adobe XD
15 1 (0.011%) Figma
15 1 (0.011%) GNU Octave
Business Applications
1 44 (0.49%) Magento
2 34 (0.38%) Sentinel
3 30 (0.33%) Payment Gateway
4 27 (0.30%) Distributed Ledger
5 23 (0.25%) Oracle Applications
6 14 (0.15%) R3 Corda
7 9 (0.099%) Dynamics NAV
8 7 (0.077%) Oracle EBS
8 7 (0.077%) Shopify
9 6 (0.066%) SAP S/4HANA
10 5 (0.055%) Oracle EBS R12
11 3 (0.033%) FLEXCUBE
11 3 (0.033%) SAP GTS
11 3 (0.033%) Temenos T24
12 2 (0.022%) Dynamics CRM
12 2 (0.022%) IntelliMatch
12 2 (0.022%) NetSuite
12 2 (0.022%) Oracle CRM
12 2 (0.022%) SAP Oil and Gas
13 1 (0.011%) Oracle Procure-to-Pay
Cloud Services
1 3,476 (38.42%) AWS
2 2,438 (26.95%) Azure
3 818 (9.04%) GCP
4 541 (5.98%) GitHub
5 535 (5.91%) AWS CloudFormation
6 510 (5.64%) SaaS
7 427 (4.72%) Microsoft 365
8 372 (4.11%) PaaS
9 339 (3.75%) IaaS
10 327 (3.61%) Amazon EC2
11 302 (3.34%) Serverless
12 245 (2.71%) OpenShift
13 198 (2.19%) Amazon EKS
14 197 (2.18%) AWS Lambda
15 183 (2.02%) Amazon S3
16 168 (1.86%) Amazon Kinesis
17 165 (1.82%) Azure Active Directory
18 159 (1.76%) Cloud Computing
19 158 (1.75%) Amazon ECS
20 126 (1.39%) Amazon CloudWatch
Communications & Networking
1 910 (10.06%) Firewall
2 545 (6.02%) DNS
3 497 (5.49%) TCP/IP
4 433 (4.79%) VPN
5 408 (4.51%) HTTP
6 263 (2.91%) DHCP
7 237 (2.62%) WAN
8 234 (2.59%) LAN
9 216 (2.39%) Internet
10 189 (2.09%) Wireless
11 185 (2.04%) Network Security
12 165 (1.82%) SSL
13 164 (1.81%) SAN
14 156 (1.72%) VLAN
15 132 (1.46%) Broadband
16 121 (1.34%) IPv4
16 121 (1.34%) OSPF
17 118 (1.30%) Wi-Fi
18 102 (1.13%) BGP
19 92 (1.02%) VoIP
Database & Business Intelligence
1 1,085 (11.99%) MySQL
2 761 (8.41%) PostgreSQL
3 716 (7.91%) NoSQL
4 681 (7.53%) Relational Database
5 661 (7.31%) SQL Server
6 493 (5.45%) MongoDB
7 380 (4.20%) Redis
8 377 (4.17%) Big Data
9 335 (3.70%) MariaDB
10 286 (3.16%) Oracle Database
11 218 (2.41%) HBase
12 189 (2.09%) Amazon RDS
13 187 (2.07%) RDBMS
14 177 (1.96%) Hadoop
15 151 (1.67%) Data Warehouse
16 123 (1.36%) Apache Cassandra
17 112 (1.24%) Amazon DynamoDB
18 94 (1.04%) Oracle Database 12c
19 91 (1.01%) Oracle Database 11g
20 90 (0.99%) SQL Server Integration Services
Development Applications
1 1,953 (21.59%) Git (software)
2 1,490 (16.47%) Jenkins
3 863 (9.54%) JIRA
4 478 (5.28%) GitLab
5 357 (3.95%) JUnit
6 292 (3.23%) Maven
7 257 (2.84%) Cucumber
8 253 (2.80%) Eclipse
9 246 (2.72%) Sonatype Nexus
10 241 (2.66%) Gradle
11 236 (2.61%) Bitbucket
12 219 (2.42%) IntelliJ
13 215 (2.38%) TeamCity
14 208 (2.30%) Mockito
15 193 (2.13%) Cypress.io
16 178 (1.97%) Protractor
17 171 (1.89%) Storybook
18 166 (1.83%) Artifactory
19 160 (1.77%) Subversion
20 154 (1.70%) Atlassian Bamboo
General
1 1,759 (19.44%) Social Skills
2 1,722 (19.03%) Finance
3 650 (7.18%) Banking
4 570 (6.30%) Analytical Skills
5 405 (4.48%) Law
6 369 (4.08%) Inclusion and Diversity
7 347 (3.84%) Telecoms
8 286 (3.16%) Games
9 278 (3.07%) Retail
10 250 (2.76%) Public Sector
11 243 (2.69%) Electronics
12 236 (2.61%) Marketing
13 200 (2.21%) Manufacturing
14 183 (2.02%) Presentation Skills
15 180 (1.99%) Legal
16 148 (1.64%) Back Office
17 138 (1.53%) Organisational Skills
18 126 (1.39%) Front Office
19 90 (0.99%) Investment Banking
20 79 (0.87%) Documentation Skills
Job Titles
1 1,984 (21.93%) Developer
2 1,629 (18.01%) DevOps Engineer
3 983 (10.87%) Software Engineer
4 544 (6.01%) Linux Engineer
5 497 (5.49%) AWS Engineer
6 476 (5.26%) Infrastructure Engineer
7 445 (4.92%) Senior Developer
8 412 (4.55%) Java Developer
9 408 (4.51%) Software Developer
10 383 (4.23%) Administrator
11 382 (4.22%) AWS DevOps
12 381 (4.21%) Cloud Engineer
13 373 (4.12%) Senior DevOps
14 370 (4.09%) AWS DevOps Engineer
14 370 (4.09%) PHP Developer
15 365 (4.03%) Senior DevOps Engineer
16 332 (3.67%) Analyst
17 304 (3.36%) Architect
18 300 (3.32%) Support Engineer
19 278 (3.07%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 969 (10.71%) CSS
2 882 (9.75%) React
3 881 (9.74%) HTML
4 753 (8.32%) REST
5 733 (8.10%) Web Services
6 729 (8.06%) Node.js
7 702 (7.76%) Spring
8 640 (7.07%) AngularJS
9 629 (6.95%) Kafka
10 613 (6.78%) RESTful
11 537 (5.94%) .NET
12 441 (4.87%) LAMP
13 385 (4.26%) RabbitMQ
14 382 (4.22%) JSON
15 374 (4.13%) Elastic Stack
16 281 (3.11%) HTML5
17 278 (3.07%) Spring Boot
18 271 (3.00%) Redux
19 256 (2.83%) jQuery
20 237 (2.62%) Twitter Bootstrap
Miscellaneous
1 561 (6.20%) Linux Command Line
2 439 (4.85%) Data Centre
3 359 (3.97%) Public Cloud
4 337 (3.72%) Self-Motivation
5 332 (3.67%) User Experience
6 284 (3.14%) Algorithms
7 192 (2.12%) Management Information System
8 190 (2.10%) Hybrid Cloud
9 189 (2.09%) Greenfield Project
10 186 (2.06%) Data Structures
11 165 (1.82%) Mobile App
12 147 (1.62%) Cloud Native
13 141 (1.56%) Embedded Systems
14 133 (1.47%) Virtual Team
15 125 (1.38%) Enterprise Software
16 119 (1.32%) Clustering
16 119 (1.32%) PKI
17 116 (1.28%) Derivative
18 101 (1.12%) Private Cloud
19 100 (1.11%) Fixed Income
Operating Systems
1 2,678 (29.60%) Windows
2 1,505 (16.64%) Unix
3 743 (8.21%) Windows Server
4 611 (6.75%) Red Hat Enterprise Linux
5 581 (6.42%) CentOS
6 544 (6.01%) Ubuntu
7 254 (2.81%) Android
8 194 (2.14%) Windows Server 2016
9 192 (2.12%) Apple iOS
10 178 (1.97%) Windows 10
11 155 (1.71%) Embedded Linux
12 147 (1.62%) Windows Server 2012
13 144 (1.59%) Debian
14 125 (1.38%) Windows Server 2019
15 90 (0.99%) Solaris
16 84 (0.93%) Mac OS
17 78 (0.86%) Windows Server 2008
18 68 (0.75%) Mac OS X
19 61 (0.67%) Windows 7
20 50 (0.55%) SUSE
Processes & Methodologies
1 3,255 (35.98%) DevOps
2 2,965 (32.77%) Agile Software Development
3 1,895 (20.95%) Software Engineering
4 1,393 (15.40%) Problem-Solving
5 1,196 (13.22%) Microservices
6 1,049 (11.60%) Computer Science
7 1,032 (11.41%) Infrastructure as Code
8 954 (10.54%) Scrum
9 835 (9.23%) Configuration Management
10 825 (9.12%) Continuous Integration
11 747 (8.26%) Test Automation
12 717 (7.93%) OO
13 704 (7.78%) TDD
14 695 (7.68%) Open Source
15 689 (7.62%) Infrastructure Engineering
16 649 (7.17%) Mentoring
17 566 (6.26%) Site Reliability Engineering
18 554 (6.12%) SDLC
19 517 (5.71%) Software Testing
20 505 (5.58%) Fintech
Programming Languages
1 3,119 (34.48%) Python
2 2,076 (22.95%) Java
3 1,874 (20.71%) SQL
4 1,546 (17.09%) JavaScript
5 1,357 (15.00%) Bash Shell
6 1,034 (11.43%) C++
7 967 (10.69%) PowerShell
8 873 (9.65%) PHP
9 690 (7.63%) C
10 660 (7.30%) C#
11 611 (6.75%) Shell Script
12 572 (6.32%) Go
13 404 (4.47%) Ruby
14 381 (4.21%) Perl
15 329 (3.64%) TypeScript
16 268 (2.96%) Groovy
17 148 (1.64%) PL/SQL
18 140 (1.55%) Scala
19 129 (1.43%) Java 8
20 104 (1.15%) Rust
Qualifications
1 1,317 (14.56%) Degree
2 907 (10.03%) Security Cleared
3 541 (5.98%) SC Cleared
4 418 (4.62%) Computer Science Degree
5 212 (2.34%) Cisco Certification
6 173 (1.91%) AWS Certification
7 170 (1.88%) OCP
7 170 (1.88%) Oracle Certification
8 153 (1.69%) CCNA
9 137 (1.51%) DV Cleared
10 109 (1.20%) Network+ Certification
11 108 (1.19%) Microsoft Certification
12 103 (1.14%) Linux+ Certification
13 98 (1.08%) CompTIA Security+
14 86 (0.95%) CCNP
15 75 (0.83%) CISSP
16 67 (0.74%) RHCE
17 63 (0.70%) A+ Certification
18 58 (0.64%) GIAC
18 58 (0.64%) Server+ Certification
Quality Assurance & Compliance
1 386 (4.27%) QA
2 154 (1.70%) ISO/IEC 27001
3 145 (1.60%) SLA
4 108 (1.19%) PCI DSS
5 66 (0.73%) MISRA
6 60 (0.66%) PSD2
7 44 (0.49%) GDPR
8 43 (0.48%) NIST
9 42 (0.46%) Accessibility
10 41 (0.45%) MISRA C
11 37 (0.41%) ECSS
12 33 (0.36%) Def Stans
13 31 (0.34%) PMO
14 28 (0.31%) GRC
15 26 (0.29%) Cyber Essentials
16 24 (0.27%) COBIT
17 19 (0.21%) ISO 9001
18 16 (0.18%) Sarbanes-Oxley
19 15 (0.17%) Data Quality
20 11 (0.12%) IEC 62304
System Software
1 2,585 (28.57%) Docker
2 857 (9.47%) VMware Infrastructure
3 717 (7.93%) Active Directory
4 248 (2.74%) Hyper-V
5 181 (2.00%) Firmware
6 168 (1.86%) HDFS
7 156 (1.72%) VMware ESXi
8 147 (1.62%) Virtual Machines
9 120 (1.33%) vSphere
10 81 (0.90%) KVM
11 60 (0.66%) Virtual Servers
12 55 (0.61%) iptables
13 50 (0.55%) Apache ZooKeeper
14 41 (0.45%) NFS
15 36 (0.40%) Oracle RAC
16 35 (0.39%) LXC
17 32 (0.35%) VMware NSX
18 29 (0.32%) Virtual Desktop
19 24 (0.27%) Postfix
20 23 (0.25%) VirtualBox
Systems Management
1 2,133 (23.58%) Kubernetes
2 1,876 (20.74%) Terraform
3 1,861 (20.57%) Ansible
4 1,120 (12.38%) Puppet
5 664 (7.34%) Opscode Chef
6 338 (3.74%) Prometheus
7 301 (3.33%) Grafana
8 125 (1.38%) Nagios
9 101 (1.12%) SCCM
10 97 (1.07%) Istio
11 92 (1.02%) Packer
12 89 (0.98%) Consul
13 78 (0.86%) ZABBIX
14 75 (0.83%) HAProxy
15 68 (0.75%) Kibana
15 68 (0.75%) Rancher
16 67 (0.74%) Graphite
17 60 (0.66%) Microsoft Intune
18 57 (0.63%) Docker Swarm
19 49 (0.54%) CFEngine
Vendors
1 1,353 (14.96%) Microsoft
2 1,207 (13.34%) VMware
3 858 (9.48%) Oracle
4 723 (7.99%) Red Hat
5 466 (5.15%) Cisco
6 430 (4.75%) Google
7 249 (2.75%) Splunk
8 185 (2.04%) Okta
9 168 (1.86%) IBM
10 163 (1.80%) Citrix
11 159 (1.76%) Atlassian
12 153 (1.69%) HP
13 141 (1.56%) SAP
14 137 (1.51%) Zend
15 122 (1.35%) EMC
16 94 (1.04%) ServiceNow
17 93 (1.03%) Veeam
18 91 (1.01%) Juniper
19 90 (0.99%) Dell
20 80 (0.88%) Apple