Period
to 12 November 2019

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 12 November 2019 with a comparison to the same period in the previous 2 years.

Linux
UK
6 months to
12 Nov 2019
Same period 2018 Same period 2017
Rank 21 16 16
Rank change year-on-year -5 0 0
Permanent jobs citing Linux 13,405 17,045 19,439
As % of all permanent IT jobs advertised in the UK 9.81% 10.54% 10.92%
As % of the Operating Systems category 42.80% 45.73% 44.35%
Number of salaries quoted 10,235 13,754 15,510
UK median annual salary £52,500 £52,500 £50,000
Median salary % change year-on-year - +5.00% -
10th Percentile £31,250 £31,250 £29,750
90th Percentile £87,500 £83,750 £78,750
UK excluding London median annual salary £45,000 £45,000 £45,000

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 31,319 37,270 43,835
As % of all permanent IT jobs advertised in the UK 22.91% 23.04% 24.62%
Number of salaries quoted 24,901 30,142 35,379
UK median annual salary £45,000 £47,500 £45,000
Median salary % change year-on-year -5.26% +5.56% -
10th Percentile £25,000 £25,100 £25,000
90th Percentile £80,000 £77,500 £73,750
UK excluding London median annual salary £40,500 £41,000 £40,000
% change year-on-year -1.22% +2.50% -

Linux
Job Vacancy Trend

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

Job vacancy trend for Linux in the UK

Linux
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Linux.

Salary trend for Linux in the UK

Linux
Salary Histogram

The salary distribution of IT jobs citing Linux over the 6 months to 12 November 2019.

Salary histogram for Linux in the UK

Linux
Top 17 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 12 November 2019. 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 -3 12,352 £55,000 - 2,383
UK excluding London -2 8,084 £45,000 - 1,814
London -1 5,050 £67,500 +3.85% 743
South East -2 2,661 £47,500 -1.04% 480
North of England -2 1,592 £45,100 +0.22% 379
South West +1 1,293 £45,000 +5.88% 244
North West -5 879 £45,000 -4.26% 198
Midlands +3 872 £43,000 +1.18% 185
East of England +3 854 £47,500 -9.52% 352
Yorkshire +3 601 £47,500 +5.56% 138
West Midlands +4 569 £42,500 - 118
Scotland -2 536 £45,000 +2.27% 105
East Midlands +2 301 £45,000 +5.88% 67
Wales -6 186 £42,000 +5.00% 53
North East +5 113 £40,000 -11.11% 43
Northern Ireland +5 98 £40,000 -20.00% 17
Isle of Man -3 3 £49,000 +30.67%

For the 6 months to 12 November 2019, 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 4,756 (35.48%) Python
2 4,736 (35.33%) Windows
3 4,067 (30.34%) AWS
4 3,792 (28.29%) DevOps
5 3,631 (27.09%) Agile Software Development
6 3,024 (22.56%) Java
7 2,831 (21.12%) Docker
8 2,675 (19.96%) SQL
8 2,675 (19.96%) Unix
9 2,564 (19.13%) Azure
10 2,304 (17.19%) Finance
10 2,304 (17.19%) Ansible
11 2,195 (16.37%) Bash Shell
12 2,101 (15.67%) Git (software)
13 2,067 (15.42%) Software Engineering
14 2,022 (15.08%) Kubernetes
15 1,997 (14.90%) JavaScript
16 1,871 (13.96%) Microsoft
17 1,852 (13.82%) Degree
18 1,843 (13.75%) Puppet
19 1,811 (13.51%) VMware
20 1,809 (13.49%) Jenkins
21 1,690 (12.61%) Problem-Solving
22 1,626 (12.13%) C++
23 1,540 (11.49%) Firewall
24 1,539 (11.48%) MySQL
25 1,458 (10.88%) Terraform
26 1,349 (10.06%) Windows Server
27 1,335 (9.96%) Opscode Chef
28 1,271 (9.48%) PHP

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
1 772 (5.76%) Apache
2 429 (3.20%) Elasticsearch
3 403 (3.01%) Tomcat
4 396 (2.95%) Apache Spark
5 336 (2.51%) nginx
6 322 (2.40%) IIS
7 314 (2.34%) Confluence
8 256 (1.91%) MS Exchange
9 241 (1.80%) OpenStack
10 237 (1.77%) SharePoint
11 185 (1.38%) JBoss
12 172 (1.28%) WebSphere
13 122 (0.91%) WordPress
14 89 (0.66%) WebLogic
15 88 (0.66%) CMS
16 63 (0.47%) Exchange Server 2010
16 63 (0.47%) Exchange Server 2013
17 61 (0.46%) Apache Solr
18 59 (0.44%) Drupal
19 54 (0.40%) Apache Airflow
Applications
1 307 (2.29%) Microsoft Office
2 77 (0.57%) Microsoft Excel
3 48 (0.36%) Microsoft PowerPoint
3 48 (0.36%) MS Visio
4 19 (0.14%) Microsoft Project
5 17 (0.13%) Spreadsheet
6 16 (0.12%) Photoshop
7 11 (0.082%) Chatbot
7 11 (0.082%) Maya
7 11 (0.082%) NUKE
8 10 (0.075%) Simulink
8 10 (0.075%) Sketch
9 9 (0.067%) Adobe Creative Suite
10 8 (0.060%) CINEMA 4D
10 8 (0.060%) MODO
11 7 (0.052%) Adobe Illustrator
12 4 (0.030%) InfoPath
13 3 (0.022%) CATIA
13 3 (0.022%) HipChat
14 2 (0.015%) LightWave 3D
Business Applications
1 39 (0.29%) Magento
2 35 (0.26%) Oracle EBS
3 31 (0.23%) Oracle ERP
4 22 (0.16%) Payment Gateway
5 20 (0.15%) Oracle Applications
6 16 (0.12%) Dynamics CRM
7 14 (0.10%) Oracle EBS R12
7 14 (0.10%) SAP S/4HANA
8 13 (0.097%) Shopify
9 12 (0.090%) Distributed Ledger
10 11 (0.082%) R3 Corda
11 10 (0.075%) CiviCRM
12 9 (0.067%) GoldMine
12 9 (0.067%) Salesforce.com CRM
12 9 (0.067%) SAP ERP
13 8 (0.060%) BusinessWorks
13 8 (0.060%) Documaker
13 8 (0.060%) Teamcenter
14 6 (0.045%) CA PPM
14 6 (0.045%) Eikon
Cloud Services
1 4,067 (30.34%) AWS
2 2,564 (19.13%) Azure
3 1,234 (9.21%) GCP
4 680 (5.07%) Office 365
5 613 (4.57%) SaaS
6 426 (3.18%) AWS CloudFormation
7 403 (3.01%) IaaS
8 399 (2.98%) GitHub
9 356 (2.66%) Amazon EC2
10 332 (2.48%) PaaS
11 329 (2.45%) Serverless
12 291 (2.17%) Cloud Computing
13 289 (2.16%) Amazon S3
14 242 (1.81%) AWS Lambda
15 203 (1.51%) OpenShift
16 142 (1.06%) Amazon CloudWatch
16 142 (1.06%) Virtual Private Cloud
17 133 (0.99%) Amazon ECS
18 115 (0.86%) Azure Active Directory
19 104 (0.78%) IBM Cloud
Communications & Networking
1 1,540 (11.49%) Firewall
2 1,033 (7.71%) TCP/IP
3 1,010 (7.53%) DNS
4 716 (5.34%) WAN
5 660 (4.92%) VPN
6 530 (3.95%) LAN
7 479 (3.57%) DHCP
8 476 (3.55%) Network Security
9 412 (3.07%) Internet
10 392 (2.92%) SAN
11 355 (2.65%) HTTP
12 327 (2.44%) OSPF
13 314 (2.34%) BGP
14 285 (2.13%) MPLS
15 276 (2.06%) SMTP
16 272 (2.03%) Cisco Nexus
16 272 (2.03%) Wireless
17 267 (1.99%) Cisco ASA
18 257 (1.92%) VoIP
19 253 (1.89%) IPsec
Database & Business Intelligence
1 1,539 (11.48%) MySQL
2 1,170 (8.73%) SQL Server
3 730 (5.45%) PostgreSQL
4 709 (5.29%) Big Data
5 594 (4.43%) NoSQL
6 540 (4.03%) MongoDB
7 538 (4.01%) Relational Database
8 353 (2.63%) Hadoop
9 292 (2.18%) Oracle Database
10 278 (2.07%) Amazon RDS
11 226 (1.69%) Apache Hive
12 213 (1.59%) Apache Cassandra
13 196 (1.46%) Redis
14 176 (1.31%) RDBMS
15 161 (1.20%) Data Warehouse
16 133 (0.99%) Amazon DynamoDB
17 127 (0.95%) MariaDB
18 116 (0.87%) DB2
19 104 (0.78%) Blockchain
20 73 (0.54%) SQL Server 2012
Development Applications
1 2,101 (15.67%) Git (software)
2 1,809 (13.49%) Jenkins
3 950 (7.09%) JIRA
4 401 (2.99%) Subversion
5 335 (2.50%) Atlassian Bamboo
6 321 (2.39%) Bitbucket
7 290 (2.16%) TeamCity
8 277 (2.07%) Selenium
9 274 (2.04%) Maven
10 239 (1.78%) GitLab
11 238 (1.78%) Octopus Deploy
12 197 (1.47%) JUnit
13 178 (1.33%) Cucumber
14 172 (1.28%) Team Foundation Server
15 131 (0.98%) JMeter
16 130 (0.97%) Visual Studio
17 128 (0.95%) Sonatype Nexus
18 122 (0.91%) Vagrant
19 111 (0.83%) Gradle
20 109 (0.81%) Artifactory
General
1 2,304 (17.19%) Finance
2 613 (4.57%) Banking
3 563 (4.20%) Telecoms
4 491 (3.66%) Retail
5 459 (3.42%) Public Sector
6 351 (2.62%) Marketing
7 291 (2.17%) Games
8 282 (2.10%) Electronics
9 257 (1.92%) Manufacturing
10 187 (1.40%) Automotive
11 147 (1.10%) Front Office
12 139 (1.04%) Advertising
13 129 (0.96%) Law
14 122 (0.91%) Aerospace
15 98 (0.73%) Investment Banking
16 84 (0.63%) Legal
16 84 (0.63%) Military
17 77 (0.57%) Back Office
18 69 (0.51%) Financial Institution
19 48 (0.36%) Publishing
Job Titles
1 2,715 (20.25%) Developer
2 1,917 (14.30%) DevOps Engineer
3 1,175 (8.77%) Software Engineer
4 868 (6.48%) Linux Engineer
5 781 (5.83%) Analyst
6 701 (5.23%) Administrator
7 669 (4.99%) Support Engineer
8 633 (4.72%) Java Developer
9 616 (4.60%) Infrastructure Engineer
10 570 (4.25%) Cloud Engineer
11 546 (4.07%) Architect
12 534 (3.98%) PHP Developer
13 520 (3.88%) Consultant
14 512 (3.82%) AWS Engineer
15 511 (3.81%) Senior Developer
16 487 (3.63%) Systems Administrator
17 437 (3.26%) Senior DevOps
18 419 (3.13%) Network Engineer
19 392 (2.92%) Software Developer
20 391 (2.92%) Security Engineer
Libraries, Frameworks & Software Standards
1 1,041 (7.77%) HTML
2 978 (7.30%) Web Services
3 975 (7.27%) CSS
4 766 (5.71%) Node.js
5 732 (5.46%) .NET
6 614 (4.58%) Spring
7 567 (4.23%) AngularJS
8 547 (4.08%) REST
9 541 (4.04%) LAMP
10 520 (3.88%) Kafka
11 492 (3.67%) Elastic Stack
12 466 (3.48%) React
13 452 (3.37%) RESTful
14 414 (3.09%) JSON
15 390 (2.91%) jQuery
16 377 (2.81%) XML
17 341 (2.54%) Laravel
18 327 (2.44%) HTML5
19 322 (2.40%) SOAP
20 319 (2.38%) Middleware
Miscellaneous
1 1,013 (7.56%) Analytical Skills
2 777 (5.80%) Data Centre
3 615 (4.59%) Management Information System
4 588 (4.39%) Public Cloud
5 513 (3.83%) Linux Command Line
6 473 (3.53%) Self-Motivation
7 344 (2.57%) Greenfield Project
8 338 (2.52%) Algorithms
9 315 (2.35%) User Experience
10 237 (1.77%) Replication
11 218 (1.63%) Enterprise Software
11 218 (1.63%) Private Cloud
12 211 (1.57%) Clustering
13 210 (1.57%) Mobile App
14 191 (1.42%) Hybrid Cloud
15 189 (1.41%) Embedded Systems
16 185 (1.38%) Hedge funds
17 168 (1.25%) Virtual Team
18 154 (1.15%) Data Structures
19 138 (1.03%) Cloud Native
Operating Systems
1 4,736 (35.33%) Windows
2 2,675 (19.96%) Unix
3 1,349 (10.06%) Windows Server
4 926 (6.91%) Red Hat Enterprise Linux
5 894 (6.67%) CentOS
6 592 (4.42%) Ubuntu
7 405 (3.02%) Windows Server 2012
8 349 (2.60%) Android
9 293 (2.19%) Debian
10 283 (2.11%) Windows 10
11 275 (2.05%) Windows Server 2008
12 257 (1.92%) Solaris
13 251 (1.87%) Apple iOS
14 246 (1.84%) Windows 7
15 231 (1.72%) Mac OS
16 157 (1.17%) AIX
17 140 (1.04%) Embedded Linux
18 107 (0.80%) Mac OS X
18 107 (0.80%) Windows 8
19 82 (0.61%) SUSE
Processes & Methodologies
1 3,792 (28.29%) DevOps
2 3,631 (27.09%) Agile Software Development
3 2,067 (15.42%) Software Engineering
4 1,690 (12.61%) Problem-Solving
5 1,220 (9.10%) Continuous Integration
6 1,193 (8.90%) Configuration Management
7 1,174 (8.76%) Computer Science
8 1,166 (8.70%) ITIL
9 1,024 (7.64%) Test Automation
10 993 (7.41%) Scrum
11 976 (7.28%) Cybersecurity
12 929 (6.93%) Open Source
13 915 (6.83%) Infrastructure Engineering
14 876 (6.53%) Microservices
15 845 (6.30%) OO
16 790 (5.89%) Mentoring
17 759 (5.66%) TDD
18 741 (5.53%) Infrastructure as Code
19 690 (5.15%) SDLC
20 688 (5.13%) Fintech
Programming Languages
1 4,756 (35.48%) Python
2 3,024 (22.56%) Java
3 2,675 (19.96%) SQL
4 2,195 (16.37%) Bash Shell
5 1,997 (14.90%) JavaScript
6 1,626 (12.13%) C++
7 1,271 (9.48%) PHP
8 1,205 (8.99%) PowerShell
9 1,187 (8.85%) C
10 989 (7.38%) C#
11 988 (7.37%) Ruby
12 971 (7.24%) Perl
13 630 (4.70%) Shell Script
14 580 (4.33%) Go
15 266 (1.98%) Scala
16 197 (1.47%) PL/SQL
17 192 (1.43%) Java 8
18 175 (1.31%) TypeScript
19 132 (0.98%) Groovy
20 128 (0.95%) R
Qualifications
1 1,852 (13.82%) Degree
2 812 (6.06%) Security Cleared
3 667 (4.98%) Cisco Certification
4 545 (4.07%) Computer Science Degree
5 525 (3.92%) CCNA
6 451 (3.36%) SC Cleared
7 410 (3.06%) CCNP
8 376 (2.80%) Microsoft Certification
9 246 (1.84%) DV Cleared
10 239 (1.78%) CISSP
10 239 (1.78%) MCSE
11 167 (1.25%) AWS Certification
12 114 (0.85%) RHCE
13 110 (0.82%) MCSA
14 101 (0.75%) Master's Degree
15 99 (0.74%) VMware Certified Professional (VCP)
16 95 (0.71%) MCP
17 84 (0.63%) CISM
17 84 (0.63%) GIAC
18 78 (0.58%) PhD
Quality Assurance & Compliance
1 736 (5.49%) QA
2 410 (3.06%) ISO/IEC 27001
3 341 (2.54%) SLA
4 192 (1.43%) ISO 9001
5 99 (0.74%) PCI DSS
6 94 (0.70%) GDPR
7 58 (0.43%) Data Quality
8 53 (0.40%) NIST
9 49 (0.37%) ISO/IEC 20000
10 20 (0.15%) Cyber Essentials
11 19 (0.14%) HMG Infosec
12 16 (0.12%) HMG Security Policy Framework
12 16 (0.12%) JSP 440
13 15 (0.11%) IFRS
14 14 (0.10%) PSD2
15 13 (0.097%) COBIT
15 13 (0.097%) ISO 26262
16 12 (0.090%) Sarbanes-Oxley
17 11 (0.082%) MiFID
18 10 (0.075%) NCSC
System Software
1 2,831 (21.12%) Docker
2 1,196 (8.92%) Active Directory
3 1,099 (8.20%) VMware Infrastructure
4 468 (3.49%) Hyper-V
5 283 (2.11%) VMware ESXi
6 275 (2.05%) vSphere
7 229 (1.71%) Virtual Machines
8 148 (1.10%) XenApp
9 132 (0.98%) Firmware
10 92 (0.69%) KVM
11 86 (0.64%) XenDesktop
12 85 (0.63%) NFS
13 83 (0.62%) Xen
14 80 (0.60%) HDFS
15 72 (0.54%) Microsoft App-V
16 62 (0.46%) Virtual Servers
17 60 (0.45%) Apache ZooKeeper
17 60 (0.45%) VMware NSX
18 56 (0.42%) Apache Flume
19 53 (0.40%) Oracle RAC
Systems Management
1 2,304 (17.19%) Ansible
2 2,022 (15.08%) Kubernetes
3 1,843 (13.75%) Puppet
4 1,458 (10.88%) Terraform
5 1,335 (9.96%) Opscode Chef
6 479 (3.57%) Nagios
7 347 (2.59%) SCCM
8 249 (1.86%) Prometheus
9 216 (1.61%) FortiGate
9 216 (1.61%) Grafana
10 192 (1.43%) Salt
11 189 (1.41%) Packer
12 183 (1.37%) SCOM
13 173 (1.29%) Consul
14 161 (1.20%) ZABBIX
15 154 (1.15%) Kibana
16 138 (1.03%) Docker Swarm
17 111 (0.83%) Nessus
18 106 (0.79%) WSUS
19 98 (0.73%) Oozie
Vendors
1 1,871 (13.96%) Microsoft
2 1,811 (13.51%) VMware
3 1,251 (9.33%) Oracle
4 1,131 (8.44%) Cisco
4 1,131 (8.44%) Red Hat
5 778 (5.80%) Google
6 484 (3.61%) Splunk
7 472 (3.52%) IBM
8 465 (3.47%) Citrix
9 317 (2.36%) HP
10 299 (2.23%) Palo Alto
11 280 (2.09%) SAP
12 241 (1.80%) Fortinet
13 206 (1.54%) Dell
14 201 (1.50%) NetApp
15 195 (1.45%) Atlassian
16 194 (1.45%) ServiceNow
17 190 (1.42%) Juniper
18 165 (1.23%) SolarWinds
19 155 (1.16%) Zend