Period
to 28 February 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 28 February 2021 with a comparison to the same period in the previous 2 years.

Linux
UK
6 months to
28 Feb 2021
Same period 2020 Same period 2019
Rank 19 22 19
Rank change year-on-year +3 -3 -3
Permanent jobs citing Linux 6,900 11,195 15,855
As % of all permanent jobs advertised in the UK 9.33% 9.11% 10.50%
As % of the Operating Systems category 47.01% 41.40% 45.34%
Number of salaries quoted 6,714 9,350 13,601
Median annual salary £55,000 £52,500 £52,500
Median salary % change year-on-year +4.76% - +5.00%
10th Percentile £33,750 £31,250 £31,250
90th Percentile £86,250 £87,500 £83,750
UK excluding London median annual salary £49,797 £47,000 £45,000
% change year-on-year +5.95% +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 14,678 27,042 34,967
As % of all permanent IT jobs advertised in the UK 19.84% 21.99% 23.16%
Number of salaries quoted 11,949 21,974 28,476
Median annual salary £50,000 £45,000 £47,500
Median salary % change year-on-year +11.11% -5.26% +5.56%
10th Percentile £27,500 £25,500 £25,750
90th Percentile £81,250 £80,000 £78,750
UK excluding London median annual salary £45,000 £42,500 £42,000
% change year-on-year +5.88% +1.19% +5.00%

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 28 February 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 28 February 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 +2 6,179 £56,000 +1.82% 1,680
UK excluding London +1 4,166 £49,797 +5.95% 1,236
London +2 2,422 £70,000 +3.70% 548
Work from Home +12 1,374 £55,000 - 386
South East -5 1,026 £52,500 +10.53% 331
North of England +5 984 £47,500 -5.00% 275
South West +2 787 £47,500 +5.56% 174
Midlands +4 550 £50,000 +5.26% 175
North West +2 507 £47,500 -5.00% 135
Yorkshire +6 360 £47,500 -5.00% 112
Scotland +10 358 £47,500 +5.56% 58
East of England +3 344 £55,000 +15.79% 174
West Midlands -1 343 £52,500 +10.53% 96
East Midlands +14 202 £47,500 +2.70% 77
North East +17 117 £55,000 +48.65% 28
Northern Ireland +8 72 £42,500 +30.77% 17
Wales -12 69 £47,500 +11.76% 35
Channel Islands - 3 £36,000 -
Isle of Man - 1 - -

For the 6 months to 28 February 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 2,500 (36.23%) DevOps
2 2,401 (34.80%) AWS
3 2,367 (34.30%) Python
4 2,066 (29.94%) Windows
5 1,942 (28.14%) Docker
6 1,908 (27.65%) Agile Software Development
7 1,524 (22.09%) Kubernetes
8 1,506 (21.83%) Terraform
9 1,485 (21.52%) Azure
10 1,410 (20.43%) Git (software)
11 1,378 (19.97%) Ansible
12 1,353 (19.61%) SQL
13 1,318 (19.10%) Java
14 1,196 (17.33%) Software Engineering
15 1,057 (15.32%) JavaScript
16 1,042 (15.10%) Finance
17 1,033 (14.97%) Puppet
18 1,015 (14.71%) Jenkins
19 1,010 (14.64%) Bash Shell
20 989 (14.33%) Unix
21 968 (14.03%) Microsoft
22 954 (13.83%) VMware
23 928 (13.45%) Problem-Solving
24 788 (11.42%) C++
25 766 (11.10%) Degree
26 742 (10.75%) Configuration Management
27 741 (10.74%) MySQL
28 715 (10.36%) HTML
29 709 (10.28%) PowerShell
30 705 (10.22%) Infrastructure as Code

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
1 348 (5.04%) Apache
2 342 (4.96%) Confluence
3 195 (2.83%) Elasticsearch
4 133 (1.93%) IIS
5 125 (1.81%) nginx
6 100 (1.45%) Tomcat
7 86 (1.25%) Apache Spark
8 78 (1.13%) CMS
9 76 (1.10%) MS Exchange
10 73 (1.06%) OpenStack
10 73 (1.06%) SharePoint
11 72 (1.04%) WordPress
12 47 (0.68%) Apache Airflow
13 43 (0.62%) WebLogic
14 39 (0.57%) Oracle SOA Suite
15 35 (0.51%) Red Hat Fuse
16 33 (0.48%) JBoss
17 31 (0.45%) Skype for Business
18 22 (0.32%) Apache Solr
19 21 (0.30%) Drupal
Applications
1 126 (1.83%) Microsoft Office
2 57 (0.83%) Microsoft Excel
3 23 (0.33%) Microsoft Project
4 22 (0.32%) MS Visio
5 16 (0.23%) Photoshop
6 14 (0.20%) Microsoft PowerPoint
7 10 (0.14%) Simulink
8 7 (0.10%) Adobe XD
9 6 (0.087%) Gephi
10 5 (0.072%) Spreadsheet
11 4 (0.058%) Gliffy
11 4 (0.058%) OrCAD
11 4 (0.058%) Stata
12 3 (0.043%) Adobe Illustrator
13 2 (0.029%) Fireworks
13 2 (0.029%) Inkscape
14 1 (0.014%) Adobe Creative Suite
14 1 (0.014%) EngageOne
14 1 (0.014%) Quicktime
14 1 (0.014%) SOLIDWORKS
Business Applications
1 43 (0.62%) Magento
2 22 (0.32%) OpenCart
3 20 (0.29%) Oracle Applications
4 19 (0.28%) R3 Corda
5 16 (0.23%) Oracle EBS
6 14 (0.20%) Dynamics NAV
7 13 (0.19%) Oracle EBS R12
8 12 (0.17%) Shopify
9 11 (0.16%) Workfront
10 8 (0.12%) Remedy ITSM
10 8 (0.12%) Sentinel
11 7 (0.10%) Oracle 11i
12 5 (0.072%) JDE OneWorld
12 5 (0.072%) NetSuite
12 5 (0.072%) SAP Business One
13 4 (0.058%) Oracle BPM
13 4 (0.058%) Payment Gateway
13 4 (0.058%) Quorum
14 3 (0.043%) Distributed Ledger
14 3 (0.043%) SAP Oil and Gas
Cloud Services
1 2,401 (34.80%) AWS
2 1,485 (21.52%) Azure
3 536 (7.77%) GCP
4 445 (6.45%) AWS CloudFormation
5 361 (5.23%) SaaS
6 334 (4.84%) Microsoft 365
7 288 (4.17%) PaaS
8 265 (3.84%) GitHub
9 242 (3.51%) Serverless
10 231 (3.35%) IaaS
11 215 (3.12%) Amazon EC2
12 197 (2.86%) Amazon EKS
13 159 (2.30%) AWS Lambda
14 150 (2.17%) Amazon S3
15 139 (2.01%) Amazon ECS
16 130 (1.88%) Azure Active Directory
17 122 (1.77%) Cloud Computing
18 121 (1.75%) Amazon CloudWatch
19 118 (1.71%) OpenShift
20 88 (1.28%) Virtual Private Cloud
Communications & Networking
1 683 (9.90%) Firewall
2 434 (6.29%) TCP/IP
3 377 (5.46%) DNS
4 277 (4.01%) VPN
5 243 (3.52%) WAN
6 217 (3.14%) HTTP
7 215 (3.12%) LAN
8 202 (2.93%) DHCP
9 166 (2.41%) Internet
10 155 (2.25%) SAN
11 142 (2.06%) Network Security
12 136 (1.97%) Wireless
13 130 (1.88%) VLAN
14 112 (1.62%) Wi-Fi
15 111 (1.61%) OSPF
16 109 (1.58%) SSL
17 91 (1.32%) IPv4
18 89 (1.29%) VoIP
19 88 (1.28%) SSH
20 84 (1.22%) BGP
Database & Business Intelligence
1 741 (10.74%) MySQL
2 481 (6.97%) SQL Server
3 434 (6.29%) PostgreSQL
4 295 (4.28%) NoSQL
4 295 (4.28%) Relational Database
5 240 (3.48%) MongoDB
6 233 (3.38%) Big Data
7 154 (2.23%) Amazon RDS
8 133 (1.93%) Redis
9 127 (1.84%) Oracle Database
10 91 (1.32%) Data Warehouse
10 91 (1.32%) Hadoop
10 91 (1.32%) RDBMS
11 81 (1.17%) Blockchain
12 78 (1.13%) SQL Server Integration Services
13 77 (1.12%) MariaDB
14 74 (1.07%) SQL Server Reporting Services
15 72 (1.04%) Apache Cassandra
16 67 (0.97%) Amazon DynamoDB
17 51 (0.74%) Azure SQL Database
Development Applications
1 1,410 (20.43%) Git (software)
2 1,015 (14.71%) Jenkins
3 627 (9.09%) JIRA
4 372 (5.39%) GitLab
5 179 (2.59%) Bitbucket
6 173 (2.51%) TeamCity
7 141 (2.04%) Maven
8 137 (1.99%) Subversion
9 133 (1.93%) Selenium
10 125 (1.81%) Atlassian Bamboo
11 100 (1.45%) Octopus Deploy
12 95 (1.38%) JUnit
13 68 (0.99%) JMeter
14 61 (0.88%) Artifactory
15 60 (0.87%) Gradle
16 56 (0.81%) Visual Studio
17 53 (0.77%) LoadRunner
18 48 (0.70%) Cucumber
19 42 (0.61%) Travis CI
20 38 (0.55%) Sonatype Nexus
General
1 1,042 (15.10%) Finance
2 266 (3.86%) Public Sector
3 236 (3.42%) Marketing
3 236 (3.42%) Telecoms
4 234 (3.39%) Banking
5 218 (3.16%) Electronics
6 216 (3.13%) Games
7 183 (2.65%) Retail
8 174 (2.52%) Law
9 172 (2.49%) Manufacturing
10 114 (1.65%) Back Office
11 101 (1.46%) Front Office
12 88 (1.28%) Legal
13 55 (0.80%) Advertising
14 44 (0.64%) Investment Banking
15 43 (0.62%) Aerospace
16 41 (0.59%) Publishing
17 40 (0.58%) Financial Institution
18 36 (0.52%) Automotive
19 27 (0.39%) Military
Job Titles
1 1,475 (21.38%) DevOps Engineer
2 1,461 (21.17%) Developer
3 584 (8.46%) AWS Engineer
4 574 (8.32%) Software Engineer
5 565 (8.19%) Linux Engineer
6 478 (6.93%) AWS DevOps
7 454 (6.58%) AWS DevOps Engineer
8 357 (5.17%) Infrastructure Engineer
9 339 (4.91%) Senior DevOps
10 322 (4.67%) Cloud Engineer
11 318 (4.61%) Senior DevOps Engineer
12 302 (4.38%) PHP Developer
13 286 (4.14%) Administrator
14 283 (4.10%) Senior Developer
15 272 (3.94%) Java Developer
16 235 (3.41%) Systems Engineer
17 234 (3.39%) Analyst
17 234 (3.39%) Support Engineer
18 222 (3.22%) Architect
19 219 (3.17%) Software Developer
Libraries, Frameworks & Software Standards
1 715 (10.36%) HTML
2 591 (8.57%) CSS
3 423 (6.13%) Node.js
4 410 (5.94%) Web Services
5 334 (4.84%) .NET
6 318 (4.61%) REST
7 274 (3.97%) React
8 269 (3.90%) Kafka
9 254 (3.68%) AngularJS
10 245 (3.55%) HTML5
10 245 (3.55%) RESTful
11 235 (3.41%) Spring
12 209 (3.03%) jQuery
13 202 (2.93%) LAMP
14 184 (2.67%) Elastic Stack
15 170 (2.46%) JSON
16 168 (2.43%) Laravel
17 156 (2.26%) XML
18 146 (2.12%) SOAP
19 133 (1.93%) .NET Core
Miscellaneous
1 507 (7.35%) Analytical Skills
2 301 (4.36%) Linux Command Line
3 272 (3.94%) Data Centre
4 243 (3.52%) Public Cloud
5 215 (3.12%) Greenfield Project
6 186 (2.70%) Management Information System
7 173 (2.51%) Self-Motivation
8 169 (2.45%) Algorithms
9 153 (2.22%) Cloud Native
10 128 (1.86%) Enterprise Software
11 125 (1.81%) Data Structures
12 112 (1.62%) Hedge funds
13 101 (1.46%) Mobile App
14 100 (1.45%) Clustering
15 95 (1.38%) Replication
16 90 (1.30%) Equities
17 89 (1.29%) Hybrid Cloud
18 87 (1.26%) Virtual Team
19 86 (1.25%) PKI
20 85 (1.23%) Embedded Systems
Operating Systems
1 2,066 (29.94%) Windows
2 989 (14.33%) Unix
3 537 (7.78%) CentOS
4 534 (7.74%) Red Hat Enterprise Linux
5 533 (7.72%) Windows Server
6 434 (6.29%) Ubuntu
7 132 (1.91%) Windows Server 2016
8 122 (1.77%) Android
8 122 (1.77%) Debian
9 108 (1.57%) Windows 10
10 100 (1.45%) Windows Server 2012
11 88 (1.28%) Solaris
12 86 (1.25%) Apple iOS
12 86 (1.25%) Embedded Linux
13 81 (1.17%) Mac OS
14 60 (0.87%) Windows Server 2008
15 54 (0.78%) AIX
16 48 (0.70%) Windows 7
17 41 (0.59%) VMS
18 39 (0.57%) Mac OS X
Processes & Methodologies
1 2,500 (36.23%) DevOps
2 1,908 (27.65%) Agile Software Development
3 1,196 (17.33%) Software Engineering
4 928 (13.45%) Problem-Solving
5 742 (10.75%) Configuration Management
6 705 (10.22%) Infrastructure as Code
7 648 (9.39%) Scrum
8 633 (9.17%) Continuous Integration
9 548 (7.94%) Computer Science
10 546 (7.91%) Microservices
11 531 (7.70%) Test Automation
12 513 (7.43%) Infrastructure Engineering
13 434 (6.29%) Analytics
14 433 (6.28%) TDD
15 409 (5.93%) Open Source
16 401 (5.81%) ITIL
17 396 (5.74%) Deployment Automation
18 383 (5.55%) Cybersecurity
19 367 (5.32%) Site Reliability Engineering
20 358 (5.19%) OO
Programming Languages
1 2,367 (34.30%) Python
2 1,353 (19.61%) SQL
3 1,318 (19.10%) Java
4 1,057 (15.32%) JavaScript
5 1,010 (14.64%) Bash Shell
6 788 (11.42%) C++
7 709 (10.28%) PowerShell
8 661 (9.58%) PHP
9 515 (7.46%) C#
10 490 (7.10%) C
11 454 (6.58%) Go
12 351 (5.09%) Ruby
13 345 (5.00%) Perl
14 329 (4.77%) Shell Script
15 107 (1.55%) PL/SQL
15 107 (1.55%) TypeScript
16 99 (1.43%) Java 8
17 89 (1.29%) T-SQL
18 88 (1.28%) Scala
19 79 (1.14%) Groovy
Qualifications
1 766 (11.10%) Degree
2 590 (8.55%) Security Cleared
3 424 (6.14%) SC Cleared
4 257 (3.72%) Computer Science Degree
5 210 (3.04%) Cisco Certification
6 155 (2.25%) Microsoft Certification
7 138 (2.00%) CCNA
8 137 (1.99%) AWS Certification
9 101 (1.46%) DV Cleared
10 95 (1.38%) MCSE
11 94 (1.36%) Linux+ Certification
12 93 (1.35%) Network+ Certification
13 84 (1.22%) CCNP
14 68 (0.99%) MCSA
15 66 (0.96%) CompTIA Security+
16 64 (0.93%) CISSP
16 64 (0.93%) RHCE
17 52 (0.75%) A+ Certification
17 52 (0.75%) Server+ Certification
18 42 (0.61%) GIAC
Quality Assurance & Compliance
1 320 (4.64%) QA
2 123 (1.78%) SLA
3 86 (1.25%) ISO/IEC 27001
4 79 (1.14%) GDPR
5 62 (0.90%) PCI DSS
6 45 (0.65%) NIST
7 28 (0.41%) Cyber Essentials
8 24 (0.35%) Cyber Essentials PLUS
9 19 (0.28%) ISO 9001
10 17 (0.25%) PMBOK
11 13 (0.19%) HIPAA
12 11 (0.16%) Sarbanes-Oxley
13 10 (0.14%) COBIT
14 9 (0.13%) NIST 800
15 8 (0.12%) Def Stans
15 8 (0.12%) MISRA
15 8 (0.12%) NCSC
16 7 (0.10%) Data Quality
16 7 (0.10%) MISRA C
17 6 (0.087%) OpenSCAP
System Software
1 1,942 (28.14%) Docker
2 682 (9.88%) VMware Infrastructure
3 570 (8.26%) Active Directory
4 256 (3.71%) Hyper-V
5 175 (2.54%) VMware ESXi
6 126 (1.83%) vSphere
7 107 (1.55%) Virtual Machines
8 90 (1.30%) Firmware
9 75 (1.09%) KVM
10 52 (0.75%) Virtual Servers
10 52 (0.75%) Xen
11 37 (0.54%) Oracle RAC
12 31 (0.45%) VirtualBox
13 29 (0.42%) XenDesktop
14 27 (0.39%) Microsoft Virtual Server
15 25 (0.36%) VMware NSX
15 25 (0.36%) XenApp
16 21 (0.30%) Kamailio
17 19 (0.28%) NFS
17 19 (0.28%) Postfix
Systems Management
1 1,524 (22.09%) Kubernetes
2 1,506 (21.83%) Terraform
3 1,378 (19.97%) Ansible
4 1,033 (14.97%) Puppet
5 602 (8.72%) Opscode Chef
6 186 (2.70%) Prometheus
7 140 (2.03%) Nagios
8 138 (2.00%) Grafana
9 112 (1.62%) SCCM
10 111 (1.61%) ZABBIX
11 65 (0.94%) Graphite
12 55 (0.80%) SCOM
13 53 (0.77%) HAProxy
13 53 (0.77%) Istio
14 49 (0.71%) Packer
15 48 (0.70%) Salt
16 46 (0.67%) Kibana
17 45 (0.65%) Microsoft Intune
18 38 (0.55%) Rancher
19 37 (0.54%) Red Hat Satellite
Vendors
1 968 (14.03%) Microsoft
2 954 (13.83%) VMware
3 622 (9.01%) Red Hat
4 529 (7.67%) Oracle
5 391 (5.67%) Google
6 364 (5.28%) Cisco
7 171 (2.48%) Atlassian
8 165 (2.39%) Splunk
9 158 (2.29%) SAP
10 121 (1.75%) IBM
11 119 (1.72%) HP
12 102 (1.48%) Citrix
13 87 (1.26%) EMC
14 76 (1.10%) SaltStack
15 75 (1.09%) Veeam
16 71 (1.03%) Juniper
17 59 (0.86%) Dell
18 57 (0.83%) Zend
19 54 (0.78%) NetApp
20 52 (0.75%) ServiceNow