Period
to 20 January 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 20 January 2021 with a comparison to the same period in the previous 2 years.

Linux
UK
6 months to
20 Jan 2021
Same period 2020 Same period 2019
Rank 20 22 18
Rank change year-on-year +2 -4 -2
Permanent jobs citing Linux 6,016 11,588 15,803
As % of all permanent jobs advertised in the UK 9.46% 9.24% 10.57%
As % of the Operating Systems category 45.90% 41.24% 45.42%
Number of salaries quoted 5,889 9,586 13,553
Median annual salary £55,000 £52,500 £54,000
Median salary % change year-on-year +4.76% -2.78% +8.00%
10th Percentile £34,750 £31,250 £31,250
90th Percentile £85,000 £87,500 £82,500
UK excluding London median annual salary £49,000 £47,500 £46,000
% change year-on-year +3.16% +3.26% +2.22%

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 13,107 28,097 34,794
As % of all permanent IT jobs advertised in the UK 20.62% 22.41% 23.26%
Number of salaries quoted 10,739 22,788 28,287
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 £25,000 £25,750
90th Percentile £80,000 £80,000 £78,750
UK excluding London median annual salary £45,000 £41,000 £42,000
% change year-on-year +9.76% -2.38% +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 20 January 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 20 January 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 5,408 £55,000 - 1,337
UK excluding London 0 3,651 £49,000 +3.16% 1,030
London +3 2,122 £70,000 +3.70% 420
Work from Home +12 1,125 £55,000 -6.70% 292
South East -3 927 £51,000 +7.37% 225
North of England +6 868 £47,500 -5.00% 243
South West +1 683 £47,500 +5.56% 139
Midlands +3 460 £50,000 +8.70% 134
North West +3 453 £47,500 -5.00% 136
Yorkshire +5 329 £47,500 -5.00% 86
Scotland +9 317 £47,500 +5.56% 65
West Midlands 0 316 £52,500 +10.53% 76
East of England -3 298 £55,000 +10.00% 169
East Midlands +4 143 £47,500 +5.56% 57
North East +10 86 £55,000 +46.67% 21
Northern Ireland +12 69 £42,500 +30.77% 28
Wales -13 59 £47,500 +11.76% 27
Isle of Man - 1 - -
Channel Islands - 1 £36,000 -

For the 6 months to 20 January 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 2,187 (36.35%) DevOps
2 2,139 (35.56%) AWS
3 2,124 (35.31%) Python
4 1,771 (29.44%) Windows
5 1,677 (27.88%) Agile Software Development
6 1,642 (27.29%) Docker
7 1,358 (22.57%) Terraform
8 1,319 (21.92%) Kubernetes
9 1,228 (20.41%) Azure
10 1,225 (20.36%) Ansible
11 1,185 (19.70%) SQL
12 1,183 (19.66%) Git (software)
13 1,145 (19.03%) Java
14 971 (16.14%) Software Engineering
15 931 (15.48%) Puppet
16 928 (15.43%) JavaScript
17 908 (15.09%) Finance
18 884 (14.69%) Jenkins
19 849 (14.11%) Unix
20 846 (14.06%) Bash Shell
21 823 (13.68%) VMware
22 817 (13.58%) Microsoft
23 709 (11.79%) Problem-Solving
24 697 (11.59%) C++
25 658 (10.94%) MySQL
26 631 (10.49%) Degree
27 618 (10.27%) Configuration Management
28 617 (10.26%) HTML
29 599 (9.96%) PHP
30 598 (9.94%) PowerShell

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
1 327 (5.44%) Apache
2 258 (4.29%) Confluence
3 180 (2.99%) Elasticsearch
4 99 (1.65%) nginx
5 93 (1.55%) IIS
6 89 (1.48%) Apache Spark
7 80 (1.33%) Tomcat
8 70 (1.16%) MS Exchange
9 65 (1.08%) CMS
9 65 (1.08%) SharePoint
10 60 (1.00%) OpenStack
11 57 (0.95%) WordPress
12 50 (0.83%) Skype for Business
13 41 (0.68%) WebLogic
14 29 (0.48%) Cloud Foundry
15 27 (0.45%) JBoss
15 27 (0.45%) Red Hat Fuse
16 24 (0.40%) Apache Airflow
17 23 (0.38%) Oracle SOA Suite
18 22 (0.37%) WebSphere
Applications
1 114 (1.89%) Microsoft Office
2 51 (0.85%) Microsoft Excel
3 36 (0.60%) MS Visio
4 19 (0.32%) Microsoft Project
5 12 (0.20%) Microsoft PowerPoint
5 12 (0.20%) Photoshop
6 9 (0.15%) Simulink
7 5 (0.083%) Adobe XD
8 4 (0.066%) Gliffy
8 4 (0.066%) OrCAD
9 3 (0.050%) Adobe Illustrator
10 2 (0.033%) Fireworks
10 2 (0.033%) Inkscape
11 1 (0.017%) Adobe Creative Suite
11 1 (0.017%) Chatbot
11 1 (0.017%) Quicktime
11 1 (0.017%) SOLIDWORKS
11 1 (0.017%) Spreadsheet
Business Applications
1 41 (0.68%) Magento
2 22 (0.37%) OpenCart
3 11 (0.18%) Oracle Applications
3 11 (0.18%) Shopify
3 11 (0.18%) Workfront
4 8 (0.13%) Oracle EBS
4 8 (0.13%) Remedy ITSM
4 8 (0.13%) Sentinel
5 7 (0.12%) Oracle EBS R12
6 6 (0.100%) Dynamics NAV
6 6 (0.100%) Oracle BPM
6 6 (0.100%) Oracle ERP
7 5 (0.083%) JDE OneWorld
7 5 (0.083%) Payment Gateway
7 5 (0.083%) SAP Business One
8 4 (0.066%) Quorum
9 3 (0.050%) NetSuite
9 3 (0.050%) Oracle 11i
9 3 (0.050%) R3 Corda
9 3 (0.050%) Salesforce.com CRM
Cloud Services
1 2,139 (35.56%) AWS
2 1,228 (20.41%) Azure
3 452 (7.51%) GCP
4 393 (6.53%) AWS CloudFormation
5 277 (4.60%) SaaS
6 264 (4.39%) Office 365
7 230 (3.82%) Serverless
8 228 (3.79%) GitHub
9 221 (3.67%) PaaS
10 200 (3.32%) IaaS
11 194 (3.22%) Amazon EC2
12 160 (2.66%) Amazon EKS
13 158 (2.63%) AWS Lambda
14 147 (2.44%) Amazon S3
15 125 (2.08%) Azure Active Directory
16 118 (1.96%) Amazon CloudWatch
17 112 (1.86%) Cloud Computing
17 112 (1.86%) OpenShift
18 106 (1.76%) Amazon ECS
19 77 (1.28%) Virtual Private Cloud
Communications & Networking
1 579 (9.62%) Firewall
2 424 (7.05%) TCP/IP
3 348 (5.78%) DNS
4 235 (3.91%) VPN
5 219 (3.64%) WAN
6 197 (3.27%) LAN
7 190 (3.16%) HTTP
8 183 (3.04%) DHCP
9 150 (2.49%) Network Security
10 144 (2.39%) SAN
11 143 (2.38%) Internet
12 120 (1.99%) Wireless
13 107 (1.78%) Wi-Fi
14 94 (1.56%) SSH
15 91 (1.51%) OSPF
16 89 (1.48%) VoIP
17 88 (1.46%) BGP
18 87 (1.45%) SSL
19 76 (1.26%) VLAN
20 72 (1.20%) SNMP
Database & Business Intelligence
1 658 (10.94%) MySQL
2 423 (7.03%) SQL Server
3 398 (6.62%) PostgreSQL
4 278 (4.62%) NoSQL
5 243 (4.04%) Relational Database
6 206 (3.42%) MongoDB
7 196 (3.26%) Big Data
8 143 (2.38%) Amazon RDS
9 116 (1.93%) Redis
10 103 (1.71%) Oracle Database
11 91 (1.51%) Hadoop
12 75 (1.25%) Apache Cassandra
13 74 (1.23%) Data Warehouse
14 71 (1.18%) RDBMS
15 66 (1.10%) MariaDB
16 64 (1.06%) Amazon DynamoDB
17 61 (1.01%) SQL Server Integration Services
18 55 (0.91%) Blockchain
19 50 (0.83%) SQL Server Reporting Services
20 41 (0.68%) Azure SQL Database
Development Applications
1 1,183 (19.66%) Git (software)
2 884 (14.69%) Jenkins
3 528 (8.78%) JIRA
4 335 (5.57%) GitLab
5 155 (2.58%) Bitbucket
5 155 (2.58%) TeamCity
6 122 (2.03%) Selenium
7 112 (1.86%) Maven
8 109 (1.81%) Atlassian Bamboo
9 98 (1.63%) Subversion
10 94 (1.56%) Octopus Deploy
11 71 (1.18%) JUnit
12 55 (0.91%) Artifactory
13 44 (0.73%) Gradle
14 43 (0.71%) JMeter
15 40 (0.66%) LoadRunner
15 40 (0.66%) Visual Studio
16 39 (0.65%) Team Foundation Server
17 36 (0.60%) Cucumber
17 36 (0.60%) Eclipse
General
1 908 (15.09%) Finance
2 251 (4.17%) Public Sector
3 207 (3.44%) Telecoms
4 195 (3.24%) Banking
5 192 (3.19%) Marketing
6 175 (2.91%) Electronics
7 171 (2.84%) Games
8 156 (2.59%) Retail
9 141 (2.34%) Law
10 133 (2.21%) Manufacturing
11 99 (1.65%) Front Office
12 97 (1.61%) Back Office
13 65 (1.08%) Legal
14 53 (0.88%) Advertising
15 50 (0.83%) Financial Institution
16 41 (0.68%) Aerospace
17 37 (0.62%) Automotive
17 37 (0.62%) Publishing
18 30 (0.50%) Military
19 26 (0.43%) Investment Banking
Job Titles
1 1,311 (21.79%) DevOps Engineer
2 1,295 (21.53%) Developer
3 552 (9.18%) AWS Engineer
4 533 (8.86%) Linux Engineer
5 478 (7.95%) Software Engineer
6 456 (7.58%) AWS DevOps
7 437 (7.26%) AWS DevOps Engineer
8 319 (5.30%) Infrastructure Engineer
9 283 (4.70%) Senior DevOps
10 274 (4.55%) PHP Developer
11 267 (4.44%) Cloud Engineer
12 266 (4.42%) Senior DevOps Engineer
13 253 (4.21%) Administrator
14 237 (3.94%) Senior Developer
15 227 (3.77%) Java Developer
16 210 (3.49%) Analyst
17 208 (3.46%) Python Developer
18 179 (2.98%) Systems Engineer
19 178 (2.96%) Architect
19 178 (2.96%) Systems Administrator
Libraries, Frameworks & Software Standards
1 617 (10.26%) HTML
2 513 (8.53%) CSS
3 367 (6.10%) Node.js
4 293 (4.87%) Web Services
5 291 (4.84%) .NET
6 250 (4.16%) REST
7 238 (3.96%) Kafka
8 226 (3.76%) HTML5
9 225 (3.74%) React
10 211 (3.51%) RESTful
11 206 (3.42%) AngularJS
12 202 (3.36%) jQuery
13 182 (3.03%) Spring
14 176 (2.93%) LAMP
15 166 (2.76%) JSON
16 157 (2.61%) Elastic Stack
17 140 (2.33%) XML
18 135 (2.24%) Laravel
19 130 (2.16%) .NET Core
20 121 (2.01%) Vue.js
Miscellaneous
1 426 (7.08%) Analytical Skills
2 274 (4.55%) Data Centre
3 216 (3.59%) Linux Command Line
4 208 (3.46%) Greenfield Project
4 208 (3.46%) Public Cloud
5 186 (3.09%) Management Information System
6 162 (2.69%) Algorithms
7 154 (2.56%) Self-Motivation
8 114 (1.89%) Cloud Native
9 106 (1.76%) Hedge funds
10 99 (1.65%) Data Structures
11 96 (1.60%) Clustering
12 91 (1.51%) Enterprise Software
13 90 (1.50%) Equities
14 83 (1.38%) Replication
15 75 (1.25%) Mobile App
16 74 (1.23%) Fixed Income
17 70 (1.16%) PKI
18 67 (1.11%) Embedded Systems
19 64 (1.06%) Virtual Team
Operating Systems
1 1,771 (29.44%) Windows
2 849 (14.11%) Unix
3 497 (8.26%) Red Hat Enterprise Linux
4 469 (7.80%) CentOS
5 454 (7.55%) Windows Server
6 317 (5.27%) Ubuntu
7 109 (1.81%) Windows Server 2012
8 105 (1.75%) Windows Server 2016
9 102 (1.70%) Debian
10 94 (1.56%) Android
11 80 (1.33%) Windows 10
12 77 (1.28%) Solaris
13 59 (0.98%) Apple iOS
14 57 (0.95%) Mac OS
15 55 (0.91%) Mac OS X
16 54 (0.90%) Embedded Linux
17 49 (0.81%) Windows 7
18 48 (0.80%) Windows Server 2008
19 42 (0.70%) AIX
20 41 (0.68%) Oracle Linux
Processes & Methodologies
1 2,187 (36.35%) DevOps
2 1,677 (27.88%) Agile Software Development
3 971 (16.14%) Software Engineering
4 709 (11.79%) Problem-Solving
5 618 (10.27%) Configuration Management
6 596 (9.91%) Infrastructure as Code
7 580 (9.64%) Continuous Integration
8 556 (9.24%) Scrum
9 456 (7.58%) Computer Science
10 453 (7.53%) Microservices
10 453 (7.53%) Test Automation
11 430 (7.15%) Infrastructure Engineering
12 394 (6.55%) TDD
13 361 (6.00%) Deployment Automation
14 351 (5.83%) Open Source
15 343 (5.70%) Analytics
16 324 (5.39%) Migration
17 322 (5.35%) Cybersecurity
18 310 (5.15%) OO
19 308 (5.12%) Site Reliability Engineering
Programming Languages
1 2,124 (35.31%) Python
2 1,185 (19.70%) SQL
3 1,145 (19.03%) Java
4 928 (15.43%) JavaScript
5 846 (14.06%) Bash Shell
6 697 (11.59%) C++
7 599 (9.96%) PHP
8 598 (9.94%) PowerShell
9 459 (7.63%) C#
10 428 (7.11%) C
11 416 (6.91%) Go
12 315 (5.24%) Ruby
13 297 (4.94%) Shell Script
14 295 (4.90%) Perl
15 108 (1.80%) PL/SQL
16 99 (1.65%) TypeScript
17 88 (1.46%) T-SQL
18 87 (1.45%) Java 8
19 76 (1.26%) Scala
20 58 (0.96%) Embedded C
Qualifications
1 631 (10.49%) Degree
2 460 (7.65%) Security Cleared
3 349 (5.80%) SC Cleared
4 215 (3.57%) Computer Science Degree
5 206 (3.42%) Cisco Certification
6 159 (2.64%) Microsoft Certification
7 136 (2.26%) CCNA
8 127 (2.11%) AWS Certification
9 96 (1.60%) MCSE
10 89 (1.48%) CCNP
11 79 (1.31%) MCSA
12 77 (1.28%) DV Cleared
13 55 (0.91%) CISSP
14 54 (0.90%) RHCE
15 46 (0.76%) PhD
16 44 (0.73%) VMware Certified Professional (VCP)
17 37 (0.62%) Linux+ Certification
18 33 (0.55%) CCIE
19 32 (0.53%) ITIL Certification
19 32 (0.53%) Network+ Certification
Quality Assurance & Compliance
1 267 (4.44%) QA
2 118 (1.96%) SLA
3 100 (1.66%) GDPR
4 93 (1.55%) ISO/IEC 27001
5 59 (0.98%) PCI DSS
6 41 (0.68%) NIST
7 24 (0.40%) Cyber Essentials
8 17 (0.28%) Cyber Essentials PLUS
8 17 (0.28%) ISO 9001
9 14 (0.23%) COBIT
9 14 (0.23%) HIPAA
10 13 (0.22%) NIST 800
10 13 (0.22%) Sarbanes-Oxley
11 9 (0.15%) PMBOK
12 8 (0.13%) PMO
13 7 (0.12%) NCSC
14 5 (0.083%) Dodd-Frank
14 5 (0.083%) EMIR
14 5 (0.083%) ISO/IEC 20000
14 5 (0.083%) MiFID
System Software
1 1,642 (27.29%) Docker
2 591 (9.82%) VMware Infrastructure
3 511 (8.49%) Active Directory
4 221 (3.67%) Hyper-V
5 139 (2.31%) VMware ESXi
6 122 (2.03%) vSphere
7 92 (1.53%) Virtual Machines
8 83 (1.38%) Firmware
9 58 (0.96%) Virtual Servers
10 49 (0.81%) Xen
11 48 (0.80%) KVM
12 29 (0.48%) Microsoft Virtual Server
12 29 (0.48%) Oracle RAC
13 25 (0.42%) VirtualBox
14 21 (0.35%) VMware NSX
14 21 (0.35%) XenApp
15 19 (0.32%) XenDesktop
16 18 (0.30%) NFS
17 16 (0.27%) Apache ZooKeeper
17 16 (0.27%) Kamailio
Systems Management
1 1,358 (22.57%) Terraform
2 1,319 (21.92%) Kubernetes
3 1,225 (20.36%) Ansible
4 931 (15.48%) Puppet
5 557 (9.26%) Opscode Chef
6 166 (2.76%) Prometheus
7 150 (2.49%) Grafana
8 132 (2.19%) Nagios
9 114 (1.89%) SCCM
10 95 (1.58%) ZABBIX
11 68 (1.13%) Graphite
12 51 (0.85%) SCOM
13 46 (0.76%) Rancher
14 45 (0.75%) Salt
15 41 (0.68%) Microsoft Intune
16 39 (0.65%) HAProxy
16 39 (0.65%) Packer
17 37 (0.62%) Kibana
18 35 (0.58%) Red Hat Satellite
19 32 (0.53%) WSUS
Vendors
1 823 (13.68%) VMware
2 817 (13.58%) Microsoft
3 547 (9.09%) Red Hat
4 466 (7.75%) Oracle
5 329 (5.47%) Cisco
6 310 (5.15%) Google
7 168 (2.79%) Atlassian
8 148 (2.46%) Splunk
9 135 (2.24%) SAP
10 109 (1.81%) IBM
11 93 (1.55%) HP
12 76 (1.26%) Citrix
12 76 (1.26%) Veeam
13 67 (1.11%) SaltStack
14 65 (1.08%) Dell
15 64 (1.06%) EMC
16 53 (0.88%) Zend
17 48 (0.80%) NetApp
17 48 (0.80%) Palo Alto
18 46 (0.76%) Juniper