Period
to 23 January 2020

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 23 January 2020 with a comparison to the same period in the previous 2 years.

Linux
UK
6 months to
23 Jan 2020
Same period 2019 Same period 2018
Rank 22 18 16
Rank change year-on-year -4 -2 0
Permanent jobs citing Linux 11,633 16,034 18,414
As % of all permanent IT jobs advertised in the UK 9.25% 10.56% 10.55%
As % of the Operating Systems category 41.33% 45.45% 43.61%
Number of salaries quoted 8,994 12,910 14,810
UK median annual salary £52,500 £52,500 £50,000
Median salary % change year-on-year - +5.00% -
10th Percentile £31,250 £31,250 £29,500
90th Percentile £87,500 £82,500 £80,000
UK excluding London median annual salary £45,500 £45,000 £45,000
% change year-on-year +1.11% - -

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 28,147 35,282 42,222
As % of all permanent IT jobs advertised in the UK 22.38% 23.24% 24.18%
Number of salaries quoted 22,562 28,276 34,545
UK median annual salary £45,000 £47,500 £45,000
Median salary % change year-on-year -5.26% +5.56% +2.27%
10th Percentile £25,000 £25,750 £24,750
90th Percentile £80,000 £78,750 £75,000
UK excluding London median annual salary £41,000 £42,000 £40,000
% change year-on-year -2.38% +5.00% +1.27%

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 23 January 2020.

Salary histogram for Linux in the UK

Linux
Top 16 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 23 January 2020. 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 -4 10,823 £55,000 - 2,518
UK excluding London -2 6,903 £45,500 +1.11% 1,870
London -7 4,500 £67,500 +3.85% 801
South East -3 2,385 £47,500 - 494
North of England -6 1,260 £47,500 +5.56% 386
South West -1 1,098 £45,000 +5.88% 281
Midlands +3 825 £45,000 +2.27% 254
North West -6 754 £50,000 +11.11% 222
East of England +3 735 £47,500 -9.52% 303
West Midlands +5 570 £45,000 +4.05% 157
Yorkshire -10 416 £50,000 +8.70% 107
Scotland -5 357 £45,000 +5.88% 98
East Midlands -8 253 £45,000 - 97
Wales -3 204 £42,500 +6.25% 43
North East -9 90 £37,500 -16.67% 57
Northern Ireland 0 58 £35,000 -30.00% 11

For the 6 months to 23 January 2020, 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 4,311 (37.06%) Windows
2 3,944 (33.90%) Python
3 3,402 (29.24%) AWS
4 3,218 (27.66%) DevOps
5 3,131 (26.91%) Agile Software Development
6 2,612 (22.45%) Java
7 2,469 (21.22%) Docker
8 2,425 (20.85%) SQL
9 2,206 (18.96%) Azure
10 2,198 (18.89%) Unix
11 2,156 (18.53%) Finance
12 1,913 (16.44%) Ansible
13 1,894 (16.28%) Software Engineering
14 1,848 (15.89%) Git (software)
15 1,783 (15.33%) Kubernetes
16 1,775 (15.26%) JavaScript
17 1,730 (14.87%) Bash Shell
18 1,683 (14.47%) Microsoft
19 1,570 (13.50%) VMware
20 1,494 (12.84%) Jenkins
21 1,482 (12.74%) Problem-Solving
22 1,478 (12.71%) Degree
23 1,467 (12.61%) Puppet
24 1,400 (12.03%) C++
25 1,386 (11.91%) MySQL
26 1,240 (10.66%) Windows Server
27 1,216 (10.45%) Terraform
28 1,181 (10.15%) Firewall
29 1,172 (10.07%) PHP
30 1,155 (9.93%) Oracle

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
1 712 (6.12%) Apache
2 377 (3.24%) IIS
3 351 (3.02%) Tomcat
4 325 (2.79%) Elasticsearch
5 317 (2.73%) Apache Spark
6 268 (2.30%) nginx
7 264 (2.27%) Confluence
8 204 (1.75%) MS Exchange
9 176 (1.51%) OpenStack
10 161 (1.38%) SharePoint
11 155 (1.33%) JBoss
12 148 (1.27%) WebSphere
13 99 (0.85%) WordPress
14 83 (0.71%) WebLogic
15 75 (0.64%) CMS
16 53 (0.46%) Drupal
17 51 (0.44%) Apache Solr
18 49 (0.42%) Exchange Server 2010
19 42 (0.36%) Apache Airflow
20 40 (0.34%) Exchange Server 2013
Applications
1 236 (2.03%) Microsoft Office
2 83 (0.71%) Microsoft Excel
3 51 (0.44%) MS Visio
4 35 (0.30%) Microsoft PowerPoint
5 26 (0.22%) Spreadsheet
6 12 (0.10%) Simulink
7 11 (0.095%) Photoshop
8 9 (0.077%) Microsoft Project
8 9 (0.077%) Sketch
9 8 (0.069%) NUKE
10 7 (0.060%) Maya
11 4 (0.034%) Chatbot
12 3 (0.026%) Acrobat
12 3 (0.026%) Adobe Illustrator
12 3 (0.026%) HipChat
12 3 (0.026%) InDesign
12 3 (0.026%) PlantUML
12 3 (0.026%) Windchill
13 2 (0.017%) 3ds Max
13 2 (0.017%) Adobe Premiere
Business Applications
1 34 (0.29%) Oracle EBS
2 31 (0.27%) Magento
3 25 (0.21%) Oracle ERP
4 19 (0.16%) Oracle Applications
5 17 (0.15%) Payment Gateway
6 14 (0.12%) Dynamics CRM
7 13 (0.11%) Documaker
7 13 (0.11%) Salerio
8 12 (0.10%) SAP CRM
9 11 (0.095%) Oracle EBS R12
10 10 (0.086%) CiviCRM
10 10 (0.086%) GoldMine
10 10 (0.086%) SAP S/4HANA
10 10 (0.086%) Shopify
11 9 (0.077%) BusinessWorks
11 9 (0.077%) R3 Corda
11 9 (0.077%) Remedy ITSM
12 7 (0.060%) Eikon
12 7 (0.060%) Salesforce.com CRM
13 5 (0.043%) Markit EDM
Cloud Services
1 3,402 (29.24%) AWS
2 2,206 (18.96%) Azure
3 879 (7.56%) GCP
4 558 (4.80%) Office 365
5 508 (4.37%) SaaS
6 368 (3.16%) AWS CloudFormation
7 366 (3.15%) IaaS
8 329 (2.83%) GitHub
9 328 (2.82%) PaaS
10 288 (2.48%) Amazon EC2
11 254 (2.18%) Amazon S3
12 242 (2.08%) Serverless
13 241 (2.07%) Cloud Computing
14 191 (1.64%) OpenShift
15 187 (1.61%) AWS Lambda
16 137 (1.18%) Virtual Private Cloud
17 122 (1.05%) Amazon CloudWatch
18 112 (0.96%) Azure Active Directory
19 108 (0.93%) Amazon ECS
20 78 (0.67%) Amazon ELB
Communications & Networking
1 1,181 (10.15%) Firewall
2 930 (7.99%) TCP/IP
3 753 (6.47%) DNS
4 460 (3.95%) WAN
5 443 (3.81%) LAN
6 432 (3.71%) VPN
7 418 (3.59%) DHCP
8 372 (3.20%) Internet
9 333 (2.86%) SAN
10 313 (2.69%) HTTP
11 240 (2.06%) Network Security
12 216 (1.86%) Wireless
13 163 (1.40%) VLAN
14 160 (1.38%) BGP
14 160 (1.38%) VoIP
15 157 (1.35%) SSL
16 145 (1.25%) OSPF
17 111 (0.95%) MPLS
17 111 (0.95%) SMTP
18 109 (0.94%) Wireshark
Database & Business Intelligence
1 1,386 (11.91%) MySQL
2 1,040 (8.94%) SQL Server
3 660 (5.67%) PostgreSQL
4 551 (4.74%) Big Data
5 524 (4.50%) NoSQL
6 450 (3.87%) Relational Database
7 427 (3.67%) MongoDB
8 325 (2.79%) Hadoop
9 263 (2.26%) Oracle Database
10 251 (2.16%) Amazon RDS
11 204 (1.75%) Redis
12 168 (1.44%) Data Warehouse
13 166 (1.43%) Apache Hive
14 163 (1.40%) RDBMS
15 151 (1.30%) Apache Cassandra
16 109 (0.94%) Amazon DynamoDB
17 108 (0.93%) MariaDB
18 92 (0.79%) Blockchain
19 75 (0.64%) DB2
20 62 (0.53%) Data Mining
Development Applications
1 1,848 (15.89%) Git (software)
2 1,494 (12.84%) Jenkins
3 840 (7.22%) JIRA
4 275 (2.36%) Subversion
5 241 (2.07%) GitLab
6 233 (2.00%) Atlassian Bamboo
7 223 (1.92%) Bitbucket
8 216 (1.86%) Selenium
9 205 (1.76%) Maven
10 201 (1.73%) TeamCity
11 151 (1.30%) Octopus Deploy
12 132 (1.13%) JUnit
13 128 (1.10%) Cucumber
14 113 (0.97%) Sonatype Nexus
15 112 (0.96%) Vagrant
16 110 (0.95%) JMeter
16 110 (0.95%) Team Foundation Server
17 101 (0.87%) Visual Studio
18 93 (0.80%) Artifactory
19 83 (0.71%) Gradle
General
1 2,156 (18.53%) Finance
2 500 (4.30%) Banking
3 448 (3.85%) Retail
4 443 (3.81%) Public Sector
5 426 (3.66%) Telecoms
6 313 (2.69%) Marketing
7 261 (2.24%) Electronics
8 221 (1.90%) Games
9 210 (1.81%) Manufacturing
10 153 (1.32%) Automotive
11 152 (1.31%) Advertising
12 148 (1.27%) Front Office
13 124 (1.07%) Aerospace
14 104 (0.89%) Law
15 95 (0.82%) Military
16 91 (0.78%) Legal
17 87 (0.75%) Financial Institution
18 81 (0.70%) Back Office
19 67 (0.58%) Investment Banking
20 50 (0.43%) Billing
Job Titles
1 2,339 (20.11%) Developer
2 1,605 (13.80%) DevOps Engineer
3 1,134 (9.75%) Software Engineer
4 687 (5.91%) Analyst
5 618 (5.31%) Infrastructure Engineer
6 614 (5.28%) Linux Engineer
7 588 (5.05%) Administrator
8 580 (4.99%) Support Engineer
9 507 (4.36%) Senior Developer
10 493 (4.24%) Java Developer
11 490 (4.21%) PHP Developer
12 437 (3.76%) Architect
13 413 (3.55%) Consultant
14 397 (3.41%) AWS Engineer
15 394 (3.39%) Systems Administrator
16 392 (3.37%) Cloud Engineer
17 373 (3.21%) Junior
18 369 (3.17%) Software Developer
19 325 (2.79%) Senior DevOps
20 318 (2.73%) Systems Engineer
Libraries, Frameworks & Software Standards
1 969 (8.33%) HTML
2 896 (7.70%) CSS
3 798 (6.86%) Web Services
4 613 (5.27%) Node.js
5 567 (4.87%) REST
6 557 (4.79%) .NET
7 490 (4.21%) Spring
8 489 (4.20%) LAMP
9 441 (3.79%) AngularJS
10 427 (3.67%) Kafka
11 423 (3.64%) React
12 420 (3.61%) RESTful
13 380 (3.27%) Elastic Stack
14 350 (3.01%) jQuery
15 329 (2.83%) HTML5
16 328 (2.82%) XML
17 324 (2.79%) Laravel
18 302 (2.60%) JSON
19 300 (2.58%) Middleware
20 249 (2.14%) SOAP
Miscellaneous
1 935 (8.04%) Analytical Skills
2 713 (6.13%) Data Centre
3 481 (4.13%) Public Cloud
4 464 (3.99%) Linux Command Line
5 412 (3.54%) Self-Motivation
6 406 (3.49%) Management Information System
7 328 (2.82%) Greenfield Project
8 303 (2.60%) User Experience
9 275 (2.36%) Algorithms
10 214 (1.84%) Mobile App
11 187 (1.61%) Enterprise Software
12 181 (1.56%) Replication
13 176 (1.51%) Hedge funds
14 167 (1.44%) Private Cloud
15 164 (1.41%) Clustering
16 144 (1.24%) Data Structures
17 139 (1.19%) Hybrid Cloud
18 135 (1.16%) Embedded Systems
19 126 (1.08%) Cloud Native
20 124 (1.07%) Fixed Income
Operating Systems
1 4,311 (37.06%) Windows
2 2,198 (18.89%) Unix
3 1,240 (10.66%) Windows Server
4 787 (6.77%) Red Hat Enterprise Linux
5 708 (6.09%) CentOS
6 441 (3.79%) Ubuntu
7 340 (2.92%) Windows Server 2012
8 315 (2.71%) Android
9 271 (2.33%) Apple iOS
10 235 (2.02%) Windows Server 2008
11 228 (1.96%) Solaris
12 213 (1.83%) Debian
13 200 (1.72%) Windows 10
14 194 (1.67%) Mac OS X
15 186 (1.60%) Windows 7
16 163 (1.40%) Mac OS
17 152 (1.31%) Embedded Linux
18 100 (0.86%) AIX
19 79 (0.68%) Windows 8
20 75 (0.64%) Kali Linux
Processes & Methodologies
1 3,218 (27.66%) DevOps
2 3,131 (26.91%) Agile Software Development
3 1,894 (16.28%) Software Engineering
4 1,482 (12.74%) Problem-Solving
5 1,017 (8.74%) Configuration Management
6 1,005 (8.64%) Continuous Integration
7 976 (8.39%) Computer Science
7 976 (8.39%) Test Automation
8 940 (8.08%) ITIL
9 897 (7.71%) Infrastructure Engineering
10 822 (7.07%) Open Source
11 813 (6.99%) Scrum
12 794 (6.83%) Microservices
13 791 (6.80%) OO
14 771 (6.63%) TDD
15 757 (6.51%) Cybersecurity
16 708 (6.09%) Mentoring
17 636 (5.47%) Fintech
18 603 (5.18%) Infrastructure as Code
19 601 (5.17%) Migration
Programming Languages
1 3,944 (33.90%) Python
2 2,612 (22.45%) Java
3 2,425 (20.85%) SQL
4 1,775 (15.26%) JavaScript
5 1,730 (14.87%) Bash Shell
6 1,400 (12.03%) C++
7 1,172 (10.07%) PHP
8 1,138 (9.78%) PowerShell
9 987 (8.48%) C
10 899 (7.73%) C#
11 817 (7.02%) Ruby
12 744 (6.40%) Perl
13 611 (5.25%) Shell Script
14 509 (4.38%) Go
15 222 (1.91%) PL/SQL
16 202 (1.74%) Scala
17 198 (1.70%) Java 8
18 114 (0.98%) TypeScript
19 108 (0.93%) PHP 7
20 99 (0.85%) Kotlin
Qualifications
1 1,478 (12.71%) Degree
2 726 (6.24%) Security Cleared
3 455 (3.91%) SC Cleared
4 443 (3.81%) Computer Science Degree
5 355 (3.05%) Cisco Certification
6 292 (2.51%) Microsoft Certification
7 271 (2.33%) CCNA
8 227 (1.95%) DV Cleared
9 206 (1.77%) CISSP
10 194 (1.67%) CCNP
11 190 (1.63%) MCSE
12 123 (1.06%) AWS Certification
13 114 (0.98%) RHCE
14 96 (0.83%) MCSA
15 86 (0.74%) MCP
16 83 (0.71%) CISM
17 80 (0.69%) VMware Certified Professional (VCP)
18 77 (0.66%) Master's Degree
19 69 (0.59%) GIAC
20 68 (0.58%) PhD
Quality Assurance & Compliance
1 669 (5.75%) QA
2 319 (2.74%) SLA
3 219 (1.88%) ISO/IEC 27001
4 100 (0.86%) GDPR
5 93 (0.80%) PCI DSS
6 51 (0.44%) Data Quality
7 46 (0.40%) ISO/IEC 20000
8 42 (0.36%) NIST
9 34 (0.29%) Cyber Essentials
10 21 (0.18%) ISO 9001
11 16 (0.14%) NCSC
12 15 (0.13%) IFRS
13 13 (0.11%) Cyber Essentials PLUS
14 9 (0.077%) PSD2
15 8 (0.069%) HIPAA
15 8 (0.069%) ISO 22301
16 6 (0.052%) HMG Infosec
16 6 (0.052%) HMG Security Policy Framework
16 6 (0.052%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
16 6 (0.052%) JSP 440
System Software
1 2,469 (21.22%) Docker
2 1,056 (9.08%) Active Directory
3 997 (8.57%) VMware Infrastructure
4 358 (3.08%) Hyper-V
5 256 (2.20%) VMware ESXi
6 247 (2.12%) vSphere
7 220 (1.89%) Virtual Machines
8 142 (1.22%) XenApp
9 119 (1.02%) Firmware
10 101 (0.87%) NFS
11 86 (0.74%) KVM
12 85 (0.73%) Virtual Servers
13 74 (0.64%) HDFS
14 72 (0.62%) Apache ZooKeeper
15 70 (0.60%) Xen
16 64 (0.55%) XenDesktop
17 46 (0.40%) VMware NSX
18 43 (0.37%) Apache Flume
18 43 (0.37%) VirtualBox
19 36 (0.31%) LXC
Systems Management
1 1,913 (16.44%) Ansible
2 1,783 (15.33%) Kubernetes
3 1,467 (12.61%) Puppet
4 1,216 (10.45%) Terraform
5 962 (8.27%) Opscode Chef
6 289 (2.48%) SCCM
7 257 (2.21%) Nagios
8 197 (1.69%) Grafana
9 189 (1.62%) Packer
10 174 (1.50%) SCOM
11 164 (1.41%) Prometheus
12 156 (1.34%) Salt
13 135 (1.16%) Docker Swarm
13 135 (1.16%) ZABBIX
14 125 (1.07%) Consul
15 109 (0.94%) WSUS
16 103 (0.89%) Mesos
17 99 (0.85%) Kibana
18 93 (0.80%) Nessus
19 82 (0.70%) Oozie
Vendors
1 1,683 (14.47%) Microsoft
2 1,570 (13.50%) VMware
3 1,155 (9.93%) Oracle
4 1,008 (8.67%) Red Hat
5 688 (5.91%) Cisco
6 566 (4.87%) Google
7 349 (3.00%) Splunk
8 347 (2.98%) Citrix
9 326 (2.80%) IBM
10 257 (2.21%) HP
11 238 (2.05%) SAP
12 224 (1.93%) Atlassian
13 195 (1.68%) Juniper
14 183 (1.57%) NetApp
15 153 (1.32%) ServiceNow
16 150 (1.29%) Dell
16 150 (1.29%) WorldPay
17 141 (1.21%) Zend
18 128 (1.10%) SolarWinds
19 124 (1.07%) EMC