Period
to 11 May 2021

The following table provides summary statistics for permanent job vacancies 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 11 May 2021 with a comparison to the same period in the previous 2 years.

Linux
UK
6 months to
11 May 2021
Same period 2020 Same period 2019
Rank 23 23 20
Rank change year-on-year 0 -3 -3
Permanent jobs citing Linux 8,194 8,873 15,281
As % of all permanent jobs advertised in the UK 9.30% 8.94% 10.42%
As % of the Operating Systems category 48.39% 42.31% 45.37%
Number of salaries quoted 6,209 7,116 12,053
10th Percentile £32,500 £32,000 £31,250
25th Percentile £41,250 £40,750 £38,750
Median annual salary (50th Percentile) £55,000 £55,000 £52,500
Median % change year-on-year - +4.76% +2.94%
75th Percentile £73,750 £72,500 £70,000
90th Percentile £87,500 £87,500 £85,000
UK excluding London median annual salary £47,500 £47,000 £45,000
% change year-on-year +1.06% +4.44% -

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 with a requirement for operating system skills.

All Operating Systems
UK
Permanent vacancies with a requirement for operating system skills 16,932 20,971 33,678
As % of all permanent IT jobs advertised in the UK 19.21% 21.13% 22.97%
Number of salaries quoted 13,479 17,133 27,058
10th Percentile £27,500 £26,250 £25,750
25th Percentile £36,250 £33,750 £32,500
Median annual salary (50th Percentile) £50,000 £47,500 £47,500
Median % change year-on-year +5.26% - +3.26%
75th Percentile £67,500 £65,000 £65,000
90th Percentile £82,500 £80,000 £78,750
UK excluding London median annual salary £45,000 £42,500 £42,178
% change year-on-year +5.88% +0.76% +5.45%

Linux
Job Vacancy Trend

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

Job vacancy trend for Linux in the UK

Linux
Salary Trend

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

Salary trend for Linux in the UK

Linux
Salary Histogram

Salary distribution for jobs citing Linux over the 6 months to 11 May 2021.

Salary histogram for Linux in the UK

Linux
Top 19 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Linux within the UK over the 6 months to 11 May 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
England 0 7,354 £57,500 +4.55% 1,799
UK excluding London +1 4,909 £47,500 +1.06% 1,316
London +4 2,842 £71,250 +5.56% 584
Work from Home +4 1,694 £55,000 -8.33% 378
South East -3 1,251 £50,000 +4.71% 354
North of England +7 1,222 £50,000 - 316
South West -2 881 £47,500 +5.56% 185
Midlands +1 635 £47,500 +4.97% 184
North West +4 588 £47,500 -5.00% 174
Yorkshire +7 441 £52,500 +5.00% 110
East of England +4 396 £55,000 +15.79% 172
Scotland +7 392 £47,500 - 69
West Midlands -2 371 £52,500 +10.53% 106
East Midlands +12 258 £45,000 +5.88% 76
North East +25 195 £50,000 +33.33% 32
Northern Ireland +7 74 £42,500 +4.94% 7
Wales -11 71 £40,000 -3.61% 30
Channel Islands - 4 £36,000 -
Isle of Man - 1 £35,000 -

For the 6 months to 11 May 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 with a requirement for Linux.

1 2,872 (35.05%) DevOps
2 2,871 (35.04%) AWS
3 2,675 (32.65%) Python
4 2,628 (32.07%) Windows
5 2,308 (28.17%) Agile Software Development
6 2,242 (27.36%) Docker
7 1,992 (24.31%) Azure
8 1,782 (21.75%) Kubernetes
9 1,726 (21.06%) Terraform
10 1,704 (20.80%) SQL
11 1,682 (20.53%) Git (software)
12 1,621 (19.78%) Java
13 1,575 (19.22%) Social Skills
14 1,543 (18.83%) Ansible
15 1,448 (17.67%) Software Engineering
16 1,324 (16.16%) Microsoft
17 1,251 (15.27%) Finance
18 1,248 (15.23%) JavaScript
19 1,232 (15.04%) Unix
20 1,228 (14.99%) Jenkins
21 1,184 (14.45%) Bash Shell
22 1,179 (14.39%) Problem-Solving
23 1,132 (13.81%) VMware
24 1,071 (13.07%) Puppet
25 968 (11.81%) Degree
26 914 (11.15%) C++
27 909 (11.09%) PowerShell
28 904 (11.03%) MySQL
29 896 (10.93%) Infrastructure as Code
30 879 (10.73%) Firewall

Linux
Co-occurring IT Skills 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
1 438 (5.35%) Apache
2 390 (4.76%) Confluence
3 205 (2.50%) Elasticsearch
4 194 (2.37%) nginx
5 179 (2.18%) IIS
6 139 (1.70%) Tomcat
7 114 (1.39%) Apache Spark
8 101 (1.23%) MS Exchange
9 100 (1.22%) SharePoint
10 92 (1.12%) Apache Airflow
11 88 (1.07%) OpenStack
12 86 (1.05%) CMS
13 83 (1.01%) WordPress
14 59 (0.72%) WebLogic
15 56 (0.68%) Oracle SOA Suite
16 44 (0.54%) JBoss
17 42 (0.51%) GemFire
18 32 (0.39%) Red Hat Fuse
19 27 (0.33%) WebSphere
20 22 (0.27%) Cloud Foundry
Applications
1 150 (1.83%) Microsoft Office
2 62 (0.76%) Microsoft Excel
3 32 (0.39%) Microsoft Project
4 23 (0.28%) MS Visio
5 18 (0.22%) Photoshop
6 17 (0.21%) Microsoft PowerPoint
7 12 (0.15%) Simulink
8 7 (0.085%) Spreadsheet
9 6 (0.073%) Adobe Illustrator
9 6 (0.073%) Adobe XD
9 6 (0.073%) Gephi
10 5 (0.061%) GIMP
10 5 (0.061%) Stata
11 4 (0.049%) Gliffy
12 3 (0.037%) Houdini
12 3 (0.037%) Maya
12 3 (0.037%) NUKE
13 1 (0.012%) EngageOne
13 1 (0.012%) Quicktime
13 1 (0.012%) SOLIDWORKS
Business Applications
1 44 (0.54%) Magento
2 21 (0.26%) Sentinel
3 19 (0.23%) Oracle Applications
3 19 (0.23%) R3 Corda
4 18 (0.22%) Payment Gateway
5 17 (0.21%) OpenCart
6 16 (0.20%) Dynamics NAV
7 13 (0.16%) Oracle EBS
8 10 (0.12%) Oracle EBS R12
9 8 (0.098%) Shopify
10 7 (0.085%) Workfront
11 6 (0.073%) Oracle 11i
12 5 (0.061%) NetSuite
12 5 (0.061%) Remedy ITSM
13 4 (0.049%) SAP GTS
13 4 (0.049%) SAP S/4HANA
14 3 (0.037%) Distributed Ledger
14 3 (0.037%) SAP Oil and Gas
15 2 (0.024%) Dynamics AX
15 2 (0.024%) SAP Business One
Cloud Services
1 2,871 (35.04%) AWS
2 1,992 (24.31%) Azure
3 642 (7.84%) GCP
4 494 (6.03%) SaaS
5 471 (5.75%) AWS CloudFormation
6 438 (5.35%) Microsoft 365
7 387 (4.72%) PaaS
8 367 (4.48%) GitHub
9 328 (4.00%) IaaS
10 292 (3.56%) Serverless
11 279 (3.40%) Amazon EC2
12 208 (2.54%) Amazon EKS
13 195 (2.38%) Amazon S3
14 174 (2.12%) AWS Lambda
15 169 (2.06%) Azure Active Directory
16 164 (2.00%) Cloud Computing
17 158 (1.93%) Amazon ECS
18 143 (1.75%) OpenShift
19 115 (1.40%) Amazon CloudWatch
20 85 (1.04%) Virtual Private Cloud
Communications & Networking
1 879 (10.73%) Firewall
2 494 (6.03%) DNS
3 489 (5.97%) TCP/IP
4 349 (4.26%) VPN
5 255 (3.11%) WAN
6 239 (2.92%) LAN
7 237 (2.89%) DHCP
8 235 (2.87%) HTTP
9 195 (2.38%) Wireless
10 194 (2.37%) Internet
11 182 (2.22%) Network Security
12 178 (2.17%) SAN
13 158 (1.93%) VLAN
14 137 (1.67%) SSL
15 115 (1.40%) OSPF
16 113 (1.38%) Wi-Fi
17 112 (1.37%) IPv4
18 97 (1.18%) VoIP
19 94 (1.15%) SSH
20 83 (1.01%) BGP
Database & Business Intelligence
1 904 (11.03%) MySQL
2 642 (7.84%) SQL Server
3 499 (6.09%) PostgreSQL
4 427 (5.21%) NoSQL
5 401 (4.89%) Relational Database
6 316 (3.86%) MongoDB
7 286 (3.49%) Big Data
8 212 (2.59%) Redis
9 192 (2.34%) Amazon RDS
10 169 (2.06%) Oracle Database
11 163 (1.99%) MariaDB
12 152 (1.86%) Data Warehouse
13 124 (1.51%) Hadoop
14 114 (1.39%) RDBMS
15 103 (1.26%) SQL Server Integration Services
15 103 (1.26%) SQL Server Reporting Services
16 82 (1.00%) Amazon DynamoDB
17 77 (0.94%) Blockchain
18 73 (0.89%) Apache Cassandra
19 66 (0.81%) Azure SQL Database
Development Applications
1 1,682 (20.53%) Git (software)
2 1,228 (14.99%) Jenkins
3 751 (9.17%) JIRA
4 444 (5.42%) GitLab
5 218 (2.66%) Maven
6 211 (2.58%) TeamCity
7 191 (2.33%) Bitbucket
8 173 (2.11%) JUnit
9 159 (1.94%) Subversion
10 152 (1.86%) Atlassian Bamboo
11 134 (1.64%) Octopus Deploy
12 125 (1.53%) Selenium
13 103 (1.26%) Gradle
14 100 (1.22%) Cucumber
15 99 (1.21%) Sonatype Nexus
16 98 (1.20%) Artifactory
17 78 (0.95%) JMeter
18 69 (0.84%) IntelliJ
19 62 (0.76%) Mockito
20 59 (0.72%) Eclipse
General
1 1,575 (19.22%) Social Skills
2 1,251 (15.27%) Finance
3 525 (6.41%) Analytical Skills
4 372 (4.54%) Banking
5 294 (3.59%) Telecoms
6 293 (3.58%) Public Sector
7 270 (3.30%) Marketing
8 254 (3.10%) Electronics
9 240 (2.93%) Games
10 238 (2.90%) Law
11 235 (2.87%) Retail
12 197 (2.40%) Manufacturing
13 171 (2.09%) Presentation Skills
14 149 (1.82%) Back Office
15 136 (1.66%) Legal
16 105 (1.28%) Organisational Skills
17 102 (1.24%) Front Office
18 71 (0.87%) Investment Banking
19 66 (0.81%) Advertising
20 64 (0.78%) Documentation Skills
Job Titles
1 1,737 (21.20%) Developer
2 1,540 (18.79%) DevOps Engineer
3 695 (8.48%) Software Engineer
4 544 (6.64%) Linux Engineer
5 537 (6.55%) AWS Engineer
6 471 (5.75%) Infrastructure Engineer
7 418 (5.10%) AWS DevOps
8 404 (4.93%) Cloud Engineer
9 400 (4.88%) AWS DevOps Engineer
10 385 (4.70%) Administrator
11 373 (4.55%) Senior Developer
12 362 (4.42%) Senior DevOps
13 347 (4.23%) Java Developer
13 347 (4.23%) Senior DevOps Engineer
14 337 (4.11%) PHP Developer
15 326 (3.98%) Software Developer
16 309 (3.77%) Support Engineer
17 291 (3.55%) Analyst
18 284 (3.47%) Architect
19 269 (3.28%) IT Engineer
Libraries, Frameworks & Software Standards
1 788 (9.62%) HTML
2 705 (8.60%) CSS
3 582 (7.10%) Web Services
4 504 (6.15%) Node.js
5 485 (5.92%) REST
6 457 (5.58%) React
7 445 (5.43%) .NET
8 404 (4.93%) Spring
9 387 (4.72%) RESTful
10 373 (4.55%) AngularJS
11 350 (4.27%) Kafka
12 276 (3.37%) LAMP
13 238 (2.90%) HTML5
13 238 (2.90%) jQuery
14 232 (2.83%) Elastic Stack
15 212 (2.59%) JSON
16 200 (2.44%) SOAP
17 199 (2.43%) XML
18 197 (2.40%) Laravel
19 184 (2.25%) RabbitMQ
Miscellaneous
1 410 (5.00%) Linux Command Line
2 376 (4.59%) Data Centre
3 323 (3.94%) Public Cloud
4 272 (3.32%) Self-Motivation
5 224 (2.73%) Greenfield Project
6 187 (2.28%) Hybrid Cloud
7 184 (2.25%) Algorithms
8 181 (2.21%) Management Information System
9 180 (2.20%) Cloud Native
10 141 (1.72%) User Experience
11 135 (1.65%) Mobile App
12 134 (1.64%) Data Structures
13 133 (1.62%) Enterprise Software
14 115 (1.40%) Embedded Systems
15 105 (1.28%) Clustering
15 105 (1.28%) Virtual Team
16 99 (1.21%) Private Cloud
17 97 (1.18%) Hedge funds
18 93 (1.13%) Derivative
18 93 (1.13%) PKI
Operating Systems
1 2,628 (32.07%) Windows
2 1,232 (15.04%) Unix
3 790 (9.64%) Windows Server
4 655 (7.99%) Red Hat Enterprise Linux
5 568 (6.93%) CentOS
6 500 (6.10%) Ubuntu
7 200 (2.44%) Android
8 177 (2.16%) Windows Server 2016
9 172 (2.10%) Windows 10
10 147 (1.79%) Embedded Linux
11 135 (1.65%) Debian
12 120 (1.46%) Windows Server 2012
13 119 (1.45%) Apple iOS
14 91 (1.11%) Solaris
15 78 (0.95%) Windows Server 2008
16 75 (0.92%) Windows Server 2019
17 74 (0.90%) Mac OS
18 66 (0.81%) Windows 7
19 60 (0.73%) AIX
19 60 (0.73%) Oracle Linux
Processes & Methodologies
1 2,872 (35.05%) DevOps
2 2,308 (28.17%) Agile Software Development
3 1,448 (17.67%) Software Engineering
4 1,179 (14.39%) Problem-Solving
5 896 (10.93%) Infrastructure as Code
6 857 (10.46%) Microservices
7 800 (9.76%) Configuration Management
8 750 (9.15%) Continuous Integration
9 747 (9.12%) Scrum
10 715 (8.73%) Computer Science
11 662 (8.08%) Infrastructure Engineering
12 616 (7.52%) Test Automation
13 525 (6.41%) Open Source
14 492 (6.00%) ITIL
15 489 (5.97%) Site Reliability Engineering
16 482 (5.88%) TDD
17 478 (5.83%) Mentoring
18 463 (5.65%) Analytics
19 459 (5.60%) OO
20 446 (5.44%) Cybersecurity
Programming Languages
1 2,675 (32.65%) Python
2 1,704 (20.80%) SQL
3 1,621 (19.78%) Java
4 1,248 (15.23%) JavaScript
5 1,184 (14.45%) Bash Shell
6 914 (11.15%) C++
7 909 (11.09%) PowerShell
8 801 (9.78%) PHP
9 603 (7.36%) C#
10 601 (7.33%) C
11 498 (6.08%) Go
12 421 (5.14%) Shell Script
13 402 (4.91%) Ruby
14 383 (4.67%) Perl
15 224 (2.73%) TypeScript
16 130 (1.59%) Groovy
17 117 (1.43%) Scala
18 90 (1.10%) PL/SQL
19 89 (1.09%) Java 8
20 86 (1.05%) T-SQL
Qualifications
1 968 (11.81%) Degree
2 708 (8.64%) Security Cleared
3 495 (6.04%) SC Cleared
4 300 (3.66%) Computer Science Degree
5 227 (2.77%) Cisco Certification
6 181 (2.21%) Linux+ Certification
7 180 (2.20%) Network+ Certification
8 171 (2.09%) AWS Certification
9 166 (2.03%) CCNA
10 152 (1.86%) Microsoft Certification
11 134 (1.64%) CompTIA Security+
12 117 (1.43%) DV Cleared
13 102 (1.24%) A+ Certification
13 102 (1.24%) Server+ Certification
14 85 (1.04%) MCSE
15 82 (1.00%) CISSP
16 74 (0.90%) CCNP
16 74 (0.90%) RHCE
17 61 (0.74%) MCSA
18 53 (0.65%) GIAC
Quality Assurance & Compliance
1 325 (3.97%) QA
2 146 (1.78%) SLA
3 121 (1.48%) ISO/IEC 27001
4 88 (1.07%) PCI DSS
5 61 (0.74%) GDPR
6 51 (0.62%) NIST
7 32 (0.39%) Cyber Essentials
8 23 (0.28%) ISO 9001
9 22 (0.27%) PSD2
10 21 (0.26%) Cyber Essentials PLUS
11 19 (0.23%) GRC
12 18 (0.22%) Def Stans
13 17 (0.21%) COBIT
13 17 (0.21%) PMBOK
14 14 (0.17%) MISRA
14 14 (0.17%) NCSC
14 14 (0.17%) Sarbanes-Oxley
15 10 (0.12%) HIPAA
16 8 (0.098%) Data Quality
16 8 (0.098%) SOC 2
System Software
1 2,242 (27.36%) Docker
2 825 (10.07%) VMware Infrastructure
3 761 (9.29%) Active Directory
4 321 (3.92%) Hyper-V
5 198 (2.42%) VMware ESXi
6 153 (1.87%) Firmware
7 144 (1.76%) Virtual Machines
8 137 (1.67%) vSphere
9 94 (1.15%) KVM
10 55 (0.67%) Virtual Servers
11 45 (0.55%) HDFS
11 45 (0.55%) Xen
12 38 (0.46%) Oracle RAC
13 36 (0.44%) iptables
14 31 (0.38%) VirtualBox
15 30 (0.37%) VMware NSX
16 29 (0.35%) XenDesktop
17 28 (0.34%) Postfix
18 27 (0.33%) LXC
19 25 (0.31%) NFS
Systems Management
1 1,782 (21.75%) Kubernetes
2 1,726 (21.06%) Terraform
3 1,543 (18.83%) Ansible
4 1,071 (13.07%) Puppet
5 625 (7.63%) Opscode Chef
6 260 (3.17%) Prometheus
7 197 (2.40%) Grafana
8 142 (1.73%) Nagios
9 123 (1.50%) ZABBIX
10 113 (1.38%) SCCM
11 97 (1.18%) Istio
11 97 (1.18%) Packer
12 75 (0.92%) Graphite
13 73 (0.89%) Consul
14 70 (0.85%) HAProxy
14 70 (0.85%) SCOM
15 52 (0.63%) Single Sign-On
16 51 (0.62%) Docker Swarm
16 51 (0.62%) Rancher
16 51 (0.62%) Salt
Vendors
1 1,324 (16.16%) Microsoft
2 1,132 (13.81%) VMware
3 748 (9.13%) Red Hat
4 672 (8.20%) Oracle
5 494 (6.03%) Cisco
6 429 (5.24%) Google
7 209 (2.55%) Splunk
8 165 (2.01%) Citrix
9 163 (1.99%) SAP
10 154 (1.88%) HP
11 149 (1.82%) IBM
12 144 (1.76%) Atlassian
13 129 (1.57%) EMC
14 118 (1.44%) Veeam
15 99 (1.21%) Zend
16 95 (1.16%) Juniper
17 86 (1.05%) Dell
18 80 (0.98%) SaltStack
19 79 (0.96%) ServiceNow
20 73 (0.89%) F5