Period
to 16 January 2018

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 16 January 2018 with a comparison to the same period in the previous 2 years.

Linux
UK
6 months to
16 Jan 2018
Same period 2017 Same period 2016
Rank 16 16 16
Rank change year-on-year 0 0 0
Permanent jobs citing Linux 18,390 19,526 22,092
As % of all permanent IT jobs advertised in the UK 10.60% 11.06% 10.67%
As % of the Operating Systems category 43.63% 45.22% 40.79%
Number of salaries quoted 14,752 16,254 18,776
UK median annual salary £50,000 £50,000 £47,500
Median salary % change year-on-year - +5.26% +5.56%
10th Percentile £29,500 £28,963 £28,750
90th Percentile £80,000 £77,500 £75,000
UK excluding London median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% +6.25%

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 42,147 43,176 54,162
As % of all permanent IT jobs advertised in the UK 24.30% 24.46% 26.16%
Number of salaries quoted 34,393 36,432 45,803
UK median annual salary £45,000 £45,000 £43,500
Median salary % change year-on-year - +3.45% +2.35%
10th Percentile £24,750 £24,500 £24,500
90th Percentile £75,000 £72,500 £71,250
UK excluding London median annual salary £40,000 £39,500 £40,000
% change year-on-year +1.27% -1.25% +6.67%

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 16 January 2018.

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 16 January 2018. 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 0 17,379 £50,000 - 3,015
UK excluding London 0 10,413 £45,000 - 1,942
London -1 7,683 £60,000 - 1,237
South East -2 3,863 £45,000 -5.26% 538
North of England +3 2,065 £45,000 +12.50% 438
East of England 0 1,474 £50,000 +11.11% 322
South West -1 1,197 £42,500 +6.25% 227
North West +3 1,106 £45,000 +12.50% 259
Midlands -6 1,082 £42,000 +5.00% 252
Yorkshire +7 833 £45,000 +12.50% 144
West Midlands -7 686 £40,000 - 148
Scotland -2 524 £40,000 - 104
East Midlands -6 391 £42,500 +6.25% 103
Wales -1 183 £42,500 +6.25% 40
North East -3 121 £40,000 +14.29% 35
Northern Ireland -1 60 £40,000 -11.11% 19
Channel Islands 0 5 £32,500 -10.96%

For the 6 months to 16 January 2018, IT jobs citing Linux also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads with a requirement for Linux.

1 6,049 (32.89%) Windows
2 5,612 (30.52%) Python
3 5,094 (27.70%) Agile Software Development
4 5,061 (27.52%) Java
5 4,628 (25.17%) DevOps
6 4,196 (22.82%) Unix
7 4,195 (22.81%) Amazon AWS
8 4,038 (21.96%) SQL
9 3,459 (18.81%) Finance
10 3,208 (17.44%) JavaScript
11 3,126 (17.00%) MySQL
12 2,941 (15.99%) Git (software)
13 2,912 (15.83%) Software Engineering
14 2,835 (15.42%) Puppet
15 2,818 (15.32%) Degree
16 2,747 (14.94%) C++
17 2,484 (13.51%) Bash Shell
18 2,472 (13.44%) PHP
19 2,462 (13.39%) Ansible
20 2,444 (13.29%) Jenkins
21 2,439 (13.26%) HTML
22 2,422 (13.17%) VMware
23 2,401 (13.06%) Docker
24 2,167 (11.78%) Opscode Chef
25 2,119 (11.52%) CSS
26 2,070 (11.26%) Oracle
27 2,051 (11.15%) Continuous Integration
28 2,004 (10.90%) Computer Science
29 1,909 (10.38%) Red Hat
30 1,895 (10.30%) Microsoft

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 1,884 (10.24%) Apache
2 920 (5.00%) Tomcat
3 662 (3.60%) Elasticsearch
4 593 (3.22%) nginx
5 577 (3.14%) OpenStack
6 487 (2.65%) IIS
7 409 (2.22%) Apache Spark
7 409 (2.22%) Confluence
8 331 (1.80%) JBoss
9 328 (1.78%) WebSphere
10 289 (1.57%) MS Exchange
11 270 (1.47%) CMS
12 242 (1.32%) WebLogic
13 213 (1.16%) WordPress
14 192 (1.04%) SharePoint
15 147 (0.80%) Apache Solr
16 137 (0.74%) Drupal
17 124 (0.67%) Skype for Business
18 101 (0.55%) Exchange Server 2010
19 91 (0.49%) Oracle SOA Suite
Applications
1 280 (1.52%) Microsoft Office
2 128 (0.70%) Microsoft Excel
3 78 (0.42%) Photoshop
4 68 (0.37%) MS Visio
5 43 (0.23%) Adobe Creative Suite
6 29 (0.16%) Adobe Illustrator
7 28 (0.15%) Microsoft PowerPoint
8 26 (0.14%) Spreadsheet
9 22 (0.12%) SPSS
10 21 (0.11%) Simulink
11 17 (0.092%) Microsoft Project
12 11 (0.060%) EPLAN
13 10 (0.054%) SOLIDWORKS
14 9 (0.049%) HipChat
15 7 (0.038%) EngageOne
15 7 (0.038%) Maya
15 7 (0.038%) Weka
16 5 (0.027%) CINEMA 4D
16 5 (0.027%) GIMP
16 5 (0.027%) NUKE
Business Applications
1 130 (0.71%) Magento
2 44 (0.24%) Payment Gateway
3 42 (0.23%) Dynamics CRM
4 32 (0.17%) Distributed Ledger
4 32 (0.17%) JDE EnterpriseOne
4 32 (0.17%) Oracle EBS
5 31 (0.17%) Oracle Applications
6 22 (0.12%) Markit EDM
7 15 (0.082%) BusinessWorks
8 14 (0.076%) MetaTrader
9 13 (0.071%) Oracle EBS R12
9 13 (0.071%) Remedy ITSM
9 13 (0.071%) SAP BPC
9 13 (0.071%) Unit4 Business World
10 11 (0.060%) SAP R/3
10 11 (0.060%) Temenos T24
11 10 (0.054%) Postilion
11 10 (0.054%) ResourceLink
12 9 (0.049%) FLEXCUBE
12 9 (0.049%) NetSuite
Cloud Services
1 4,195 (22.81%) Amazon AWS
2 1,774 (9.65%) Microsoft Azure
3 844 (4.59%) SaaS
4 463 (2.52%) Amazon EC2
5 429 (2.33%) GitHub
6 427 (2.32%) Office 365
7 394 (2.14%) Google Cloud Platform
8 381 (2.07%) AWS CloudFormation
9 347 (1.89%) Cloud Computing
10 286 (1.56%) IaaS
11 276 (1.50%) Amazon S3
12 271 (1.47%) PaaS
13 157 (0.85%) Serverless
14 127 (0.69%) OpenShift
15 106 (0.58%) AWS Lambda
16 105 (0.57%) Amazon ELB
17 104 (0.57%) Virtual Private Cloud
18 95 (0.52%) Route 53
19 85 (0.46%) AWS Elastic Beanstalk
20 83 (0.45%) Amazon CloudWatch
Communications & Networking
1 1,821 (9.90%) Firewall
2 1,633 (8.88%) TCP/IP
3 1,131 (6.15%) DNS
4 730 (3.97%) VPN
5 628 (3.41%) Internet
6 626 (3.40%) HTTP
6 626 (3.40%) SAN
7 565 (3.07%) DHCP
8 557 (3.03%) WAN
9 461 (2.51%) LAN
10 406 (2.21%) SSL
11 400 (2.18%) Network Security
12 320 (1.74%) VoIP
13 301 (1.64%) Wireless
14 273 (1.48%) VLAN
15 271 (1.47%) LDAP
16 244 (1.33%) BGP
17 211 (1.15%) Ethernet
18 209 (1.14%) IPsec
19 200 (1.09%) OSPF
Database & Business Intelligence
1 3,126 (17.00%) MySQL
2 1,667 (9.06%) SQL Server
3 1,146 (6.23%) NoSQL
4 1,086 (5.91%) MongoDB
5 1,046 (5.69%) PostgreSQL
6 1,000 (5.44%) Relational Database
7 794 (4.32%) Big Data
8 561 (3.05%) Hadoop
9 517 (2.81%) Oracle Database
10 471 (2.56%) RDBMS
11 414 (2.25%) Redis
12 372 (2.02%) Apache Cassandra
13 223 (1.21%) Amazon RDS
14 206 (1.12%) Oracle Database 12c
15 188 (1.02%) Data Warehouse
16 186 (1.01%) Apache Hive
17 182 (0.99%) Amazon DynamoDB
18 181 (0.98%) DB2
19 175 (0.95%) HBase
20 171 (0.93%) Blockchain
Development Applications
1 2,941 (15.99%) Git (software)
2 2,444 (13.29%) Jenkins
3 1,280 (6.96%) JIRA
4 839 (4.56%) Subversion
5 603 (3.28%) Maven
6 501 (2.72%) TeamCity
7 437 (2.38%) Selenium
8 426 (2.32%) Atlassian Bamboo
9 358 (1.95%) JUnit
10 345 (1.88%) Vagrant
11 260 (1.41%) Cucumber
12 239 (1.30%) Bitbucket
13 225 (1.22%) Eclipse
14 218 (1.19%) Gradle
15 200 (1.09%) Visual Studio
16 195 (1.06%) Sonatype Nexus
17 166 (0.90%) PHPUnit
18 164 (0.89%) gulp
19 159 (0.86%) Ant
20 150 (0.82%) Team Foundation Server
General
1 3,459 (18.81%) Finance
2 1,392 (7.57%) Banking
3 820 (4.46%) Telecoms
4 651 (3.54%) Retail
5 615 (3.34%) Marketing
6 580 (3.15%) Investment Banking
7 568 (3.09%) Games
8 405 (2.20%) Retail Banking
9 363 (1.97%) Electronics
10 360 (1.96%) Front Office
11 290 (1.58%) Advertising
12 263 (1.43%) Manufacturing
13 184 (1.00%) Back Office
14 177 (0.96%) Law
15 165 (0.90%) Financial Institution
16 161 (0.88%) Automotive
17 159 (0.86%) Legal
18 150 (0.82%) Publishing
19 85 (0.46%) Billing
20 84 (0.46%) French Language
Job Titles
1 4,656 (25.32%) Developer
2 2,394 (13.02%) DevOps Engineer
3 1,699 (9.24%) Software Engineer
4 1,652 (8.98%) Linux Engineer
5 1,225 (6.66%) Java Developer
6 1,207 (6.56%) Administrator
7 1,175 (6.39%) Analyst
8 1,071 (5.82%) PHP Developer
9 966 (5.25%) Senior Developer
10 880 (4.79%) Systems Administrator
11 767 (4.17%) Linux/Unix DevOps
12 753 (4.09%) Linux Administrator
13 738 (4.01%) Support Engineer
14 717 (3.90%) Systems Engineer
15 667 (3.63%) C++ Software Engineer
16 647 (3.52%) Linux Systems Administrator
17 646 (3.51%) Software Developer
18 639 (3.47%) AWS Engineer
19 611 (3.32%) Infrastructure Engineer
20 595 (3.24%) Architect
Libraries, Frameworks & Software Standards
1 2,439 (13.26%) HTML
2 2,119 (11.52%) CSS
3 1,698 (9.23%) Web Services
4 1,146 (6.23%) LAMP
5 1,014 (5.51%) jQuery
6 959 (5.21%) Node.js
7 956 (5.20%) AngularJS
8 925 (5.03%) .NET
9 895 (4.87%) Spring
10 880 (4.79%) XML
11 867 (4.71%) REST
12 838 (4.56%) HTML5
13 682 (3.71%) RESTful
14 641 (3.49%) SOAP
15 590 (3.21%) JSON
16 503 (2.74%) React
17 478 (2.60%) J2EE
18 462 (2.51%) Middleware
19 457 (2.49%) Hibernate
20 430 (2.34%) CSS3
Miscellaneous
1 2,004 (10.90%) Computer Science
2 1,166 (6.34%) Analytical Skills
3 978 (5.32%) Data Centre
4 689 (3.75%) Linux Command Line
5 634 (3.45%) Fintech
6 542 (2.95%) Algorithms
7 484 (2.63%) User Experience
8 466 (2.53%) Management Information System
9 393 (2.14%) Public Cloud
10 363 (1.97%) Mobile App
11 361 (1.96%) Enterprise Software
12 347 (1.89%) Greenfield Project
13 346 (1.88%) Foreign Exchange (FX)
14 339 (1.84%) Equities
15 302 (1.64%) Clustering
16 296 (1.61%) Derivative
17 258 (1.40%) Private Cloud
18 241 (1.31%) Data Structures
19 226 (1.23%) Replication
20 195 (1.06%) Fixed Income
Operating Systems
1 6,049 (32.89%) Windows
2 4,196 (22.82%) Unix
3 1,511 (8.22%) Windows Server
4 1,480 (8.05%) Red Hat Enterprise Linux
5 1,324 (7.20%) CentOS
6 914 (4.97%) Ubuntu
7 622 (3.38%) Solaris
8 491 (2.67%) Windows Server 2012
9 489 (2.66%) Debian
10 472 (2.57%) Windows Server 2008
11 370 (2.01%) Android
12 342 (1.86%) AIX
13 288 (1.57%) Apple iOS
14 267 (1.45%) Embedded Linux
15 251 (1.36%) Mac OS X
16 248 (1.35%) Windows 7
17 231 (1.26%) Windows 10
18 171 (0.93%) Mac OS
19 142 (0.77%) Windows Server 2003
20 121 (0.66%) HPUX
Processes & Methodologies
1 5,094 (27.70%) Agile Software Development
2 4,628 (25.17%) DevOps
3 2,912 (15.83%) Software Engineering
4 2,051 (11.15%) Continuous Integration
5 1,742 (9.47%) Configuration Management
6 1,557 (8.47%) OO
7 1,549 (8.42%) TDD
8 1,541 (8.38%) Open Source
9 1,535 (8.35%) Scrum
10 1,534 (8.34%) ITIL
11 1,322 (7.19%) Test Automation
12 1,100 (5.98%) MVC
13 1,047 (5.69%) Web Development
14 1,012 (5.50%) E-Commerce
15 932 (5.07%) Microservices
16 882 (4.80%) Mentoring
17 876 (4.76%) OOP
18 858 (4.67%) SDLC
19 823 (4.48%) BDD
20 811 (4.41%) Analytics
Programming Languages
1 5,612 (30.52%) Python
2 5,061 (27.52%) Java
3 4,038 (21.96%) SQL
4 3,208 (17.44%) JavaScript
5 2,747 (14.94%) C++
6 2,484 (13.51%) Bash Shell
7 2,472 (13.44%) PHP
8 1,760 (9.57%) C
9 1,748 (9.51%) Perl
10 1,735 (9.43%) Ruby
11 1,296 (7.05%) C#
12 1,222 (6.64%) Shell Script
13 1,206 (6.56%) PowerShell
14 452 (2.46%) Scala
15 414 (2.25%) Go
16 319 (1.73%) PL/SQL
17 223 (1.21%) Embedded C
18 193 (1.05%) Embedded C++
19 157 (0.85%) Groovy
20 155 (0.84%) PHP 7
Qualifications
1 2,818 (15.32%) Degree
2 835 (4.54%) Computer Science Degree
3 734 (3.99%) Security Cleared
4 586 (3.19%) Cisco Certification
5 418 (2.27%) CCNA
5 418 (2.27%) CISSP
6 382 (2.08%) SC Cleared
7 340 (1.85%) Microsoft Certification
8 252 (1.37%) MCSE
9 238 (1.29%) CCNP
10 211 (1.15%) DV Cleared
11 209 (1.14%) RHCE
12 207 (1.13%) CISM
13 186 (1.01%) PhD
14 168 (0.91%) GIAC
15 149 (0.81%) MCSA
16 147 (0.80%) SANS
17 131 (0.71%) Numerate Degree
18 124 (0.67%) VMware Certified Professional (VCP)
19 118 (0.64%) Master's Degree
Quality Assurance & Compliance
1 781 (4.25%) QA
2 446 (2.43%) SLA
3 352 (1.91%) ISO/IEC 27001
4 189 (1.03%) PCI DSS
5 103 (0.56%) GCP
6 93 (0.51%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
7 64 (0.35%) GDPR
8 51 (0.28%) COBIT
9 41 (0.22%) PMO
10 39 (0.21%) Data Quality
11 31 (0.17%) Sarbanes-Oxley
12 27 (0.15%) GPG13
13 23 (0.13%) HIPAA
14 22 (0.12%) ISO/IEC 20000
15 20 (0.11%) ISO 9001
16 18 (0.098%) Cyber Essentials
16 18 (0.098%) MISRA
17 15 (0.082%) MISRA C
18 14 (0.076%) ECSS
18 14 (0.076%) SSAE 16
System Software
1 2,401 (13.06%) Docker
2 1,520 (8.27%) VMware Infrastructure
3 1,189 (6.47%) Active Directory
4 492 (2.68%) Hyper-V
5 416 (2.26%) vSphere
6 357 (1.94%) Virtual Machines
7 353 (1.92%) VMware ESXi
8 180 (0.98%) KVM
9 162 (0.88%) NFS
10 151 (0.82%) Xen
11 114 (0.62%) iptables
12 102 (0.55%) Samba
13 100 (0.54%) Firmware
13 100 (0.54%) HDFS
14 97 (0.53%) Oracle RAC
15 87 (0.47%) LXC
16 86 (0.47%) VMware NSX
17 79 (0.43%) XenServer
18 78 (0.42%) Virtual Servers
19 72 (0.39%) XenApp
Systems Management
1 2,835 (15.42%) Puppet
2 2,462 (13.39%) Ansible
3 2,167 (11.78%) Opscode Chef
4 1,066 (5.80%) Kubernetes
5 898 (4.88%) Terraform
6 629 (3.42%) Nagios
7 260 (1.41%) Salt
8 238 (1.29%) Packer
9 218 (1.19%) SCCM
10 191 (1.04%) ZABBIX
11 182 (0.99%) Kibana
12 148 (0.80%) HAProxy
13 146 (0.79%) SCOM
14 135 (0.73%) Grafana
15 132 (0.72%) Docker Swarm
16 122 (0.66%) Nessus
17 120 (0.65%) Tivoli
17 120 (0.65%) vCenter Server
18 110 (0.60%) Cacti
19 107 (0.58%) logstash
Vendors
1 2,422 (13.17%) VMware
2 2,070 (11.26%) Oracle
3 1,909 (10.38%) Red Hat
4 1,895 (10.30%) Microsoft
5 1,276 (6.94%) Cisco
6 678 (3.69%) Google
7 492 (2.68%) HP
8 414 (2.25%) Splunk
9 388 (2.11%) IBM
10 369 (2.01%) Citrix
11 344 (1.87%) Juniper
12 327 (1.78%) Zend
13 283 (1.54%) NetApp
14 273 (1.48%) Apple
15 263 (1.43%) SAP
16 238 (1.29%) Sybase
17 237 (1.29%) Atlassian
18 225 (1.22%) F5
19 212 (1.15%) Palo Alto
20 209 (1.14%) EMC