Period
to 18 September 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 18 September 2019 with a comparison to the same period in the previous 2 years.

Linux
UK
6 months to
18 Sep 2019
Same period 2018 Same period 2017
Rank 21 16 16
Rank change year-on-year -5 0 0
Permanent jobs citing Linux 14,244 17,519 19,653
As % of all permanent IT jobs advertised in the UK 10.06% 10.44% 11.14%
As % of the Operating Systems category 43.99% 45.40% 44.73%
Number of salaries quoted 10,774 14,051 15,807
UK median annual salary £53,000 £52,500 £50,000
Median salary % change year-on-year +0.95% +5.00% -
10th Percentile £31,250 £31,250 £30,000
90th Percentile £87,500 £83,750 £80,000
UK excluding London median annual salary £45,000 £45,000 £43,875
% change year-on-year - +2.56% +3.24%

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 32,380 38,588 43,940
As % of all permanent IT jobs advertised in the UK 22.87% 23.00% 24.91%
Number of salaries quoted 25,532 31,113 35,494
UK median annual salary £45,000 £47,500 £45,000
Median salary % change year-on-year -5.26% +5.56% -
10th Percentile £25,250 £25,000 £25,000
90th Percentile £80,000 £77,500 £73,750
UK excluding London median annual salary £41,000 £40,500 £40,000
% change year-on-year +1.23% +1.25% -

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 18 September 2019.

Salary histogram for Linux in the UK

Linux
Top 18 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 18 September 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 -4 13,068 £55,000 +1.40% 2,488
UK excluding London -2 8,653 £45,000 - 1,815
London -1 5,298 £67,500 +3.85% 854
South East -1 2,819 £48,475 +2.05% 469
North of England +1 1,754 £45,000 - 364
South West +3 1,355 £45,000 +3.45% 280
East of England +3 909 £50,000 -4.76% 328
Midlands +6 898 £42,500 - 193
North West -7 859 £43,000 -4.44% 212
Yorkshire +2 765 £47,500 +5.56% 113
Scotland -1 622 £42,500 -5.56% 114
West Midlands +5 609 £41,250 -2.94% 125
East Midlands +8 287 £45,000 +5.88% 68
Wales -6 169 £42,000 +4.45% 46
North East +8 131 £45,000 +5.88% 39
Northern Ireland +4 114 £45,000 -10.00% 22
Isle of Man +6 9 £49,000 -27.41%
Channel Islands +6 6 £30,000 +1.69%

For the 6 months to 18 September 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 5,208 (36.56%) Python
2 4,839 (33.97%) Windows
3 4,323 (30.35%) AWS
4 4,138 (29.05%) DevOps
5 3,864 (27.13%) Agile Software Development
6 3,325 (23.34%) Java
7 3,112 (21.85%) Docker
8 2,995 (21.03%) Unix
9 2,862 (20.09%) SQL
10 2,647 (18.58%) Azure
11 2,469 (17.33%) Ansible
12 2,403 (16.87%) Bash Shell
13 2,318 (16.27%) Git (software)
14 2,292 (16.09%) Finance
15 2,224 (15.61%) Software Engineering
16 2,132 (14.97%) Kubernetes
17 2,126 (14.93%) JavaScript
18 2,031 (14.26%) Puppet
19 1,943 (13.64%) Jenkins
20 1,910 (13.41%) Degree
21 1,877 (13.18%) Microsoft
22 1,871 (13.14%) VMware
23 1,844 (12.95%) C++
24 1,767 (12.41%) Firewall
25 1,725 (12.11%) MySQL
26 1,659 (11.65%) Problem-Solving
27 1,600 (11.23%) Terraform
28 1,507 (10.58%) Opscode Chef
29 1,405 (9.86%) Cisco
30 1,373 (9.64%) Windows Server

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
1 845 (5.93%) Apache
2 516 (3.62%) Elasticsearch
3 433 (3.04%) Tomcat
4 400 (2.81%) Apache Spark
5 393 (2.76%) nginx
6 326 (2.29%) Confluence
7 325 (2.28%) IIS
8 284 (1.99%) MS Exchange
9 269 (1.89%) SharePoint
10 265 (1.86%) OpenStack
11 226 (1.59%) JBoss
12 171 (1.20%) WebSphere
13 135 (0.95%) WordPress
14 129 (0.91%) WebLogic
15 91 (0.64%) Exchange Server 2013
16 86 (0.60%) CMS
17 81 (0.57%) Drupal
17 81 (0.57%) Exchange Server 2010
18 68 (0.48%) Apache Solr
19 50 (0.35%) Oracle SOA Suite
Applications
1 281 (1.97%) Microsoft Office
2 61 (0.43%) Microsoft Excel
3 51 (0.36%) Microsoft PowerPoint
4 38 (0.27%) MS Visio
5 32 (0.22%) Microsoft Project
6 19 (0.13%) Photoshop
7 17 (0.12%) Chatbot
8 13 (0.091%) Maya
8 13 (0.091%) Sketch
9 11 (0.077%) Adobe Creative Suite
9 11 (0.077%) NUKE
10 9 (0.063%) Spreadsheet
11 8 (0.056%) Adobe Illustrator
11 8 (0.056%) Simulink
12 7 (0.049%) GNU Octave
13 6 (0.042%) CINEMA 4D
13 6 (0.042%) MODO
14 5 (0.035%) CATIA
15 4 (0.028%) FrameMaker
15 4 (0.028%) RoboHelp
Business Applications
1 52 (0.37%) Magento
2 30 (0.21%) Dynamics CRM
2 30 (0.21%) Oracle EBS
3 27 (0.19%) Oracle ERP
4 25 (0.18%) Oracle Applications
4 25 (0.18%) Payment Gateway
5 16 (0.11%) Shopify
6 14 (0.098%) Oracle EBS R12
6 14 (0.098%) Salesforce.com CRM
7 10 (0.070%) Distributed Ledger
8 9 (0.063%) SAP ERP
8 9 (0.063%) Teamcenter
9 8 (0.056%) Dynamics AX
9 8 (0.056%) Oracle BPM
9 8 (0.056%) R3 Corda
9 8 (0.056%) SAP S/4HANA
10 7 (0.049%) Q-Pulse
10 7 (0.049%) Sage CRM
10 7 (0.049%) SAP Hybris
11 6 (0.042%) Odoo
Cloud Services
1 4,323 (30.35%) AWS
2 2,647 (18.58%) Azure
3 1,274 (8.94%) GCP
4 700 (4.91%) SaaS
5 682 (4.79%) Office 365
6 463 (3.25%) AWS CloudFormation
7 407 (2.86%) IaaS
8 404 (2.84%) Amazon EC2
9 393 (2.76%) GitHub
10 365 (2.56%) Serverless
11 343 (2.41%) Cloud Computing
12 321 (2.25%) PaaS
13 319 (2.24%) Amazon S3
14 263 (1.85%) AWS Lambda
15 210 (1.47%) OpenShift
16 177 (1.24%) Amazon CloudWatch
17 173 (1.21%) Virtual Private Cloud
18 151 (1.06%) Amazon ECS
19 140 (0.98%) IBM Cloud
20 121 (0.85%) Amazon SQS
Communications & Networking
1 1,767 (12.41%) Firewall
2 1,184 (8.31%) DNS
3 1,009 (7.08%) TCP/IP
4 870 (6.11%) WAN
5 819 (5.75%) VPN
6 695 (4.88%) Network Security
7 514 (3.61%) LAN
8 497 (3.49%) OSPF
9 480 (3.37%) SAN
10 477 (3.35%) DHCP
11 466 (3.27%) BGP
12 455 (3.19%) Cisco ASA
13 444 (3.12%) Cisco Nexus
14 443 (3.11%) MPLS
15 430 (3.02%) SMTP
16 424 (2.98%) Internet
17 392 (2.75%) IPsec
18 388 (2.72%) HTTP
19 378 (2.65%) NetScaler
20 362 (2.54%) Broadband
Database & Business Intelligence
1 1,725 (12.11%) MySQL
2 1,229 (8.63%) SQL Server
3 804 (5.64%) PostgreSQL
4 726 (5.10%) Big Data
5 626 (4.39%) NoSQL
6 602 (4.23%) MongoDB
7 583 (4.09%) Relational Database
8 354 (2.49%) Hadoop
9 305 (2.14%) Oracle Database
10 300 (2.11%) Amazon RDS
11 261 (1.83%) Redis
12 232 (1.63%) Apache Cassandra
13 201 (1.41%) Apache Hive
14 192 (1.35%) RDBMS
15 141 (0.99%) MariaDB
16 135 (0.95%) Amazon DynamoDB
16 135 (0.95%) Data Warehouse
17 113 (0.79%) DB2
18 98 (0.69%) SQL Server 2012
19 95 (0.67%) Blockchain
Development Applications
1 2,318 (16.27%) Git (software)
2 1,943 (13.64%) Jenkins
3 1,023 (7.18%) JIRA
4 470 (3.30%) Subversion
5 375 (2.63%) Atlassian Bamboo
6 322 (2.26%) Selenium
7 319 (2.24%) TeamCity
8 307 (2.16%) Maven
9 304 (2.13%) Bitbucket
10 264 (1.85%) Octopus Deploy
11 252 (1.77%) GitLab
12 215 (1.51%) JUnit
13 212 (1.49%) Cucumber
14 203 (1.43%) Team Foundation Server
15 168 (1.18%) Visual Studio
16 153 (1.07%) Vagrant
17 142 (1.00%) Sonatype Nexus
18 136 (0.95%) Travis CI
19 129 (0.91%) JMeter
20 118 (0.83%) Gradle
General
1 2,292 (16.09%) Finance
2 643 (4.51%) Banking
3 545 (3.83%) Retail
4 519 (3.64%) Telecoms
5 516 (3.62%) Public Sector
6 354 (2.49%) Marketing
7 282 (1.98%) Games
8 274 (1.92%) Electronics
9 258 (1.81%) Manufacturing
10 179 (1.26%) Front Office
11 172 (1.21%) Automotive
12 140 (0.98%) Advertising
13 126 (0.88%) Law
14 111 (0.78%) Legal
15 105 (0.74%) Aerospace
16 96 (0.67%) Back Office
17 95 (0.67%) Investment Banking
18 86 (0.60%) Financial Institution
19 59 (0.41%) Military
20 55 (0.39%) Publishing
Job Titles
1 2,968 (20.84%) Developer
2 2,068 (14.52%) DevOps Engineer
3 1,252 (8.79%) Software Engineer
4 1,050 (7.37%) Linux Engineer
5 843 (5.92%) Analyst
6 790 (5.55%) Administrator
7 737 (5.17%) Java Developer
8 664 (4.66%) Cloud Engineer
9 649 (4.56%) Support Engineer
10 648 (4.55%) Infrastructure Engineer
11 633 (4.44%) AWS Engineer
12 600 (4.21%) Network Engineer
13 590 (4.14%) Architect
14 570 (4.00%) Systems Administrator
15 544 (3.82%) PHP Developer
16 537 (3.77%) Senior Developer
17 515 (3.62%) Security Engineer
18 496 (3.48%) Consultant
19 472 (3.31%) Senior DevOps
20 434 (3.05%) AWS DevOps
Libraries, Frameworks & Software Standards
1 1,119 (7.86%) HTML
2 1,114 (7.82%) Web Services
3 1,046 (7.34%) CSS
4 855 (6.00%) .NET
5 813 (5.71%) Node.js
6 679 (4.77%) Spring
7 597 (4.19%) AngularJS
8 578 (4.06%) REST
9 563 (3.95%) LAMP
10 544 (3.82%) Elastic Stack
11 533 (3.74%) RESTful
12 510 (3.58%) React
13 509 (3.57%) Kafka
14 453 (3.18%) JSON
15 433 (3.04%) XML
16 417 (2.93%) jQuery
17 381 (2.67%) SOAP
18 347 (2.44%) HTML5
19 318 (2.23%) Laravel
20 266 (1.87%) Middleware
Miscellaneous
1 997 (7.00%) Analytical Skills
2 753 (5.29%) Data Centre
3 720 (5.05%) Management Information System
4 621 (4.36%) Public Cloud
5 538 (3.78%) Linux Command Line
6 473 (3.32%) Self-Motivation
7 380 (2.67%) Algorithms
8 291 (2.04%) Greenfield Project
9 277 (1.94%) User Experience
10 256 (1.80%) Replication
11 252 (1.77%) Enterprise Software
12 235 (1.65%) Mobile App
13 234 (1.64%) Hybrid Cloud
14 219 (1.54%) Private Cloud
15 215 (1.51%) Clustering
16 182 (1.28%) Embedded Systems
17 179 (1.26%) Virtual Team
18 178 (1.25%) Hedge funds
19 177 (1.24%) Smartphone
20 157 (1.10%) Fixed Income
Operating Systems
1 4,839 (33.97%) Windows
2 2,995 (21.03%) Unix
3 1,373 (9.64%) Windows Server
4 964 (6.77%) CentOS
4 964 (6.77%) Red Hat Enterprise Linux
5 666 (4.68%) Ubuntu
6 460 (3.23%) Windows Server 2012
7 373 (2.62%) Android
8 367 (2.58%) Debian
9 301 (2.11%) Windows Server 2008
10 300 (2.11%) Windows 10
11 282 (1.98%) Apple iOS
12 261 (1.83%) Solaris
13 253 (1.78%) Mac OS
14 251 (1.76%) Windows 7
15 210 (1.47%) AIX
16 126 (0.88%) Embedded Linux
17 104 (0.73%) SUSE
18 97 (0.68%) Mac OS X
18 97 (0.68%) Windows 8
Processes & Methodologies
1 4,138 (29.05%) DevOps
2 3,864 (27.13%) Agile Software Development
3 2,224 (15.61%) Software Engineering
4 1,659 (11.65%) Problem-Solving
5 1,370 (9.62%) Continuous Integration
6 1,281 (8.99%) Configuration Management
7 1,232 (8.65%) Computer Science
8 1,194 (8.38%) ITIL
9 1,125 (7.90%) Test Automation
10 1,069 (7.50%) Open Source
11 1,015 (7.13%) Scrum
12 1,008 (7.08%) Cybersecurity
13 954 (6.70%) Infrastructure Engineering
14 944 (6.63%) Microservices
15 869 (6.10%) OO
16 836 (5.87%) TDD
17 797 (5.60%) Mentoring
18 785 (5.51%) Infrastructure as Code
19 695 (4.88%) SDLC
20 687 (4.82%) Fintech
Programming Languages
1 5,208 (36.56%) Python
2 3,325 (23.34%) Java
3 2,862 (20.09%) SQL
4 2,403 (16.87%) Bash Shell
5 2,126 (14.93%) JavaScript
6 1,844 (12.95%) C++
7 1,368 (9.60%) PHP
8 1,280 (8.99%) PowerShell
9 1,217 (8.54%) C
10 1,210 (8.49%) Perl
11 1,105 (7.76%) C#
12 1,099 (7.72%) Ruby
13 666 (4.68%) Shell Script
14 590 (4.14%) Go
15 299 (2.10%) Scala
16 216 (1.52%) Java 8
17 191 (1.34%) TypeScript
18 189 (1.33%) PL/SQL
19 160 (1.12%) Groovy
20 140 (0.98%) R
Qualifications
1 1,910 (13.41%) Degree
2 1,011 (7.10%) Security Cleared
3 922 (6.47%) Cisco Certification
4 716 (5.03%) CCNA
5 583 (4.09%) CCNP
6 577 (4.05%) Computer Science Degree
7 507 (3.56%) SC Cleared
8 370 (2.60%) Microsoft Certification
9 333 (2.34%) DV Cleared
10 251 (1.76%) CISSP
11 241 (1.69%) MCSE
12 190 (1.33%) AWS Certification
13 162 (1.14%) RHCE
14 125 (0.88%) MCSA
15 103 (0.72%) VMware Certified Professional (VCP)
16 94 (0.66%) Master's Degree
17 91 (0.64%) MCP
18 85 (0.60%) GIAC
19 84 (0.59%) CISA
19 84 (0.59%) PhD
Quality Assurance & Compliance
1 754 (5.29%) QA
2 622 (4.37%) ISO/IEC 27001
3 351 (2.46%) ISO 9001
4 321 (2.25%) SLA
5 120 (0.84%) GDPR
6 108 (0.76%) PCI DSS
7 61 (0.43%) ISO/IEC 20000
7 61 (0.43%) NIST
8 46 (0.32%) Data Quality
9 29 (0.20%) COBIT
10 26 (0.18%) HMG Infosec
10 26 (0.18%) Sarbanes-Oxley
11 23 (0.16%) HMG Security Policy Framework
11 23 (0.16%) JSP 440
12 20 (0.14%) PSD2
13 18 (0.13%) Cyber Essentials
14 17 (0.12%) NCSC
15 14 (0.098%) ISO 22301
15 14 (0.098%) ISO 26262
15 14 (0.098%) MiFID
System Software
1 3,112 (21.85%) Docker
2 1,203 (8.45%) Active Directory
3 1,163 (8.16%) VMware Infrastructure
4 518 (3.64%) Hyper-V
5 273 (1.92%) vSphere
6 256 (1.80%) VMware ESXi
7 248 (1.74%) Virtual Machines
8 153 (1.07%) XenApp
9 131 (0.92%) KVM
10 123 (0.86%) Firmware
11 108 (0.76%) XenDesktop
12 94 (0.66%) Microsoft App-V
13 81 (0.57%) Xen
14 78 (0.55%) NFS
15 75 (0.53%) Oracle RAC
16 74 (0.52%) HDFS
16 74 (0.52%) Virtual Servers
17 65 (0.46%) Apache Flume
18 64 (0.45%) Apache ZooKeeper
19 57 (0.40%) VMware NSX
Systems Management
1 2,469 (17.33%) Ansible
2 2,132 (14.97%) Kubernetes
3 2,031 (14.26%) Puppet
4 1,600 (11.23%) Terraform
5 1,507 (10.58%) Opscode Chef
6 698 (4.90%) Nagios
7 385 (2.70%) SCCM
8 367 (2.58%) FortiGate
9 289 (2.03%) Prometheus
10 242 (1.70%) Packer
11 230 (1.61%) Grafana
12 204 (1.43%) SCOM
13 201 (1.41%) Salt
14 199 (1.40%) Consul
15 182 (1.28%) Docker Swarm
16 180 (1.26%) Kibana
17 158 (1.11%) ZABBIX
18 120 (0.84%) Nessus
19 103 (0.72%) logstash
20 101 (0.71%) HAProxy
Vendors
1 1,877 (13.18%) Microsoft
2 1,871 (13.14%) VMware
3 1,405 (9.86%) Cisco
4 1,334 (9.37%) Oracle
5 1,216 (8.54%) Red Hat
6 829 (5.82%) Google
7 506 (3.55%) Splunk
8 492 (3.45%) IBM
9 469 (3.29%) Citrix
10 406 (2.85%) Palo Alto
11 396 (2.78%) Fortinet
12 340 (2.39%) HP
13 288 (2.02%) SAP
14 225 (1.58%) Juniper
15 224 (1.57%) Dell
16 205 (1.44%) Atlassian
17 189 (1.33%) ServiceNow
18 186 (1.31%) NetApp
19 164 (1.15%) SolarWinds
20 161 (1.13%) Zend