Period
to 20 November 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 20 November 2018 with a comparison to the same period in the previous 2 years.

Linux
UK
6 months to
20 Nov 2018
Same period 2017 Same period 2016
Rank 17 16 16
Rank change year-on-year -1 0 0
Permanent jobs citing Linux 17,156 19,536 20,570
As % of all permanent IT jobs advertised in the UK 10.52% 10.86% 11.00%
As % of the Operating Systems category 45.62% 44.24% 44.44%
Number of salaries quoted 13,818 15,572 17,256
UK median annual salary £52,500 £50,000 £50,000
Median salary % change year-on-year +5.00% - +5.26%
10th Percentile £31,250 £29,750 £28,750
90th Percentile £83,750 £78,750 £76,250
UK excluding London median annual salary £45,000 £45,000 £44,738
% change year-on-year - +0.59% +5.26%

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 37,606 44,159 46,284
As % of all permanent IT jobs advertised in the UK 23.05% 24.54% 24.74%
Number of salaries quoted 30,371 35,635 39,290
UK median annual salary £47,500 £45,000 £45,000
Median salary % change year-on-year +5.56% - +3.45%
10th Percentile £25,100 £25,000 £24,750
90th Percentile £78,000 £73,750 £72,500
UK excluding London median annual salary £41,000 £40,000 £40,000
% change year-on-year +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 20 November 2018.

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 20 November 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 -1 15,889 £55,000 +10.00% 2,945
UK excluding London +1 9,740 £45,000 - 1,995
London -2 7,037 £65,000 +8.33% 1,118
South East 0 3,394 £48,000 +6.67% 502
North of England 0 2,027 £45,000 +5.88% 414
South West +6 1,347 £42,500 - 315
North West +7 1,155 £45,000 +3.45% 198
East of England 0 1,122 £52,500 +5.00% 376
Midlands +1 932 £42,500 +6.25% 220
Yorkshire -8 727 £45,000 +5.88% 153
Scotland +2 598 £45,000 +12.50% 103
West Midlands +5 582 £42,500 +6.25% 138
East Midlands +4 345 £42,500 +13.33% 82
Wales +4 241 £40,000 -5.88% 43
North East +4 143 £45,000 +5.88% 63
Northern Ireland +14 85 £50,000 +25.00% 23
Channel Islands -6 7 £29,750 -8.46% 1
Isle of Man - 6 £37,500 -

For the 6 months to 20 November 2018, 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 6,144 (35.81%) Windows
2 5,927 (34.55%) Python
3 4,825 (28.12%) Amazon AWS
4 4,820 (28.10%) DevOps
5 4,701 (27.40%) Agile Software Development
6 4,536 (26.44%) Java
7 4,117 (24.00%) SQL
8 3,463 (20.19%) Unix
9 3,293 (19.19%) Finance
10 3,194 (18.62%) Docker
11 3,072 (17.91%) Git (software)
12 2,938 (17.13%) Ansible
13 2,785 (16.23%) JavaScript
14 2,752 (16.04%) Microsoft Azure
15 2,715 (15.83%) Puppet
16 2,636 (15.36%) Jenkins
17 2,600 (15.16%) Bash Shell
18 2,563 (14.94%) Software Engineering
19 2,517 (14.67%) Degree
20 2,461 (14.34%) MySQL
21 2,387 (13.91%) VMware
22 2,306 (13.44%) Microsoft
23 2,290 (13.35%) C++
24 1,953 (11.38%) Continuous Integration
25 1,938 (11.30%) Opscode Chef
26 1,920 (11.19%) Oracle
27 1,905 (11.10%) Red Hat
28 1,880 (10.96%) HTML
29 1,848 (10.77%) Problem-Solving
30 1,842 (10.74%) 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 1,437 (8.38%) Apache
2 681 (3.97%) Tomcat
3 652 (3.80%) Elasticsearch
4 587 (3.42%) Confluence
5 533 (3.11%) IIS
6 470 (2.74%) nginx
7 370 (2.16%) JBoss
8 365 (2.13%) OpenStack
9 348 (2.03%) Apache Spark
10 337 (1.96%) MS Exchange
11 250 (1.46%) SharePoint
12 240 (1.40%) WebLogic
13 239 (1.39%) CMS
14 223 (1.30%) WebSphere
15 193 (1.12%) WordPress
16 127 (0.74%) Apache Solr
17 111 (0.65%) Skype for Business
18 93 (0.54%) Drupal
19 91 (0.53%) Oracle SOA Suite
20 77 (0.45%) Exchange Server 2010
Applications
1 335 (1.95%) Microsoft Office
2 158 (0.92%) Microsoft PowerPoint
3 108 (0.63%) Microsoft Excel
4 65 (0.38%) MS Visio
5 51 (0.30%) Photoshop
6 33 (0.19%) Microsoft Project
7 23 (0.13%) Adobe Illustrator
8 16 (0.093%) Adobe Creative Suite
9 11 (0.064%) Simulink
10 9 (0.052%) RoboHelp
10 9 (0.052%) Spreadsheet
11 8 (0.047%) HipChat
11 8 (0.047%) Weka
12 4 (0.023%) Adobe Premiere
12 4 (0.023%) EngageOne
12 4 (0.023%) Stata
13 3 (0.017%) AutoCAD
13 3 (0.017%) InVision
13 3 (0.017%) Stateflow
13 3 (0.017%) TargetLink
Business Applications
1 97 (0.57%) Magento
2 55 (0.32%) Distributed Ledger
3 40 (0.23%) Payment Gateway
4 34 (0.20%) Dynamics CRM
5 32 (0.19%) Oracle EBS
6 28 (0.16%) Remedy ITSM
7 24 (0.14%) Oracle Applications
8 18 (0.10%) Odoo
9 16 (0.093%) Relativity
10 15 (0.087%) Oracle BPM
11 12 (0.070%) Concordance
12 10 (0.058%) Oracle Retail
13 9 (0.052%) Salesforce.com CRM
14 8 (0.047%) ION MarketView
15 7 (0.041%) SAP Hybris
16 5 (0.029%) CiviCRM
16 5 (0.029%) Oracle Cash Management
16 5 (0.029%) Salerio
16 5 (0.029%) SAP S/4HANA
16 5 (0.029%) Shopify
Cloud Services
1 4,825 (28.12%) Amazon AWS
2 2,752 (16.04%) Microsoft Azure
3 897 (5.23%) Google Cloud Platform
4 733 (4.27%) SaaS
5 635 (3.70%) AWS CloudFormation
6 600 (3.50%) GitHub
7 582 (3.39%) Office 365
8 575 (3.35%) Amazon EC2
9 470 (2.74%) Cloud Computing
10 442 (2.58%) Amazon S3
11 306 (1.78%) PaaS
12 298 (1.74%) IaaS
13 265 (1.54%) Serverless
14 245 (1.43%) Amazon CloudWatch
15 210 (1.22%) AWS Lambda
16 201 (1.17%) Azure Active Directory
17 170 (0.99%) OpenShift
18 153 (0.89%) Virtual Private Cloud
19 149 (0.87%) Amazon SQS
20 100 (0.58%) Amazon ELB
Communications & Networking
1 1,592 (9.28%) Firewall
2 1,211 (7.06%) TCP/IP
3 1,009 (5.88%) DNS
4 571 (3.33%) VPN
5 565 (3.29%) Internet
6 533 (3.11%) SAN
7 490 (2.86%) Network Security
8 480 (2.80%) LAN
9 476 (2.77%) WAN
10 469 (2.73%) HTTP
11 462 (2.69%) DHCP
12 320 (1.87%) VoIP
13 284 (1.66%) SSL
14 271 (1.58%) Wireless
15 256 (1.49%) VLAN
16 254 (1.48%) Wi-Fi
17 186 (1.08%) BGP
18 185 (1.08%) Intrusion Detection
19 173 (1.01%) SSH
20 145 (0.85%) NAS
Database & Business Intelligence
1 2,461 (14.34%) MySQL
2 1,680 (9.79%) SQL Server
3 1,062 (6.19%) PostgreSQL
4 1,007 (5.87%) Relational Database
5 988 (5.76%) NoSQL
6 931 (5.43%) Big Data
7 844 (4.92%) MongoDB
8 592 (3.45%) Oracle Database
9 516 (3.01%) Hadoop
10 416 (2.42%) Amazon RDS
11 385 (2.24%) RDBMS
12 355 (2.07%) Redis
13 331 (1.93%) Apache Cassandra
14 275 (1.60%) Data Warehouse
15 246 (1.43%) Blockchain
16 245 (1.43%) Apache Hive
17 210 (1.22%) Amazon DynamoDB
17 210 (1.22%) MariaDB
18 198 (1.15%) DB2
19 192 (1.12%) Oracle Database 11g
Development Applications
1 3,072 (17.91%) Git (software)
2 2,636 (15.36%) Jenkins
3 1,404 (8.18%) JIRA
4 726 (4.23%) Subversion
5 705 (4.11%) Maven
6 681 (3.97%) Atlassian Bamboo
7 613 (3.57%) TeamCity
8 460 (2.68%) Selenium
9 454 (2.65%) Octopus Deploy
10 374 (2.18%) JUnit
11 363 (2.12%) Bitbucket
12 291 (1.70%) Vagrant
13 283 (1.65%) GitLab
14 263 (1.53%) Visual Studio
15 232 (1.35%) Team Foundation Server
16 231 (1.35%) Gradle
17 228 (1.33%) Eclipse
18 223 (1.30%) Cucumber
19 203 (1.18%) Sonatype Nexus
20 144 (0.84%) Travis CI
General
1 3,293 (19.19%) Finance
2 1,022 (5.96%) Banking
3 602 (3.51%) Retail
4 530 (3.09%) Telecoms
5 483 (2.82%) Marketing
6 378 (2.20%) Games
7 328 (1.91%) Electronics
8 327 (1.91%) Investment Banking
9 249 (1.45%) Manufacturing
10 243 (1.42%) Legal
11 234 (1.36%) Front Office
12 233 (1.36%) Law
13 206 (1.20%) Advertising
14 200 (1.17%) Financial Institution
15 166 (0.97%) Automotive
16 127 (0.74%) Back Office
17 100 (0.58%) Publishing
18 75 (0.44%) German Language
19 74 (0.43%) French Language
20 71 (0.41%) Aerospace
Job Titles
1 4,001 (23.32%) Developer
2 2,522 (14.70%) DevOps Engineer
3 1,405 (8.19%) Linux Engineer
4 1,320 (7.69%) Software Engineer
5 1,235 (7.20%) Administrator
6 1,216 (7.09%) Java Developer
7 1,165 (6.79%) Analyst
8 837 (4.88%) Systems Administrator
9 821 (4.79%) Infrastructure Engineer
10 734 (4.28%) Senior Developer
11 719 (4.19%) Support Engineer
12 655 (3.82%) PHP Developer
13 626 (3.65%) Linux Administrator
14 616 (3.59%) AWS Engineer
15 614 (3.58%) Architect
16 591 (3.44%) Linux/Unix DevOps
17 584 (3.40%) Software Developer
18 582 (3.39%) Cloud Engineer
19 559 (3.26%) Linux Systems Administrator
20 555 (3.24%) Systems Engineer
Libraries, Frameworks & Software Standards
1 1,880 (10.96%) HTML
2 1,577 (9.19%) CSS
3 1,413 (8.24%) Web Services
4 1,040 (6.06%) Spring
5 937 (5.46%) Node.js
6 898 (5.23%) .NET
7 864 (5.04%) LAMP
8 807 (4.70%) AngularJS
9 748 (4.36%) jQuery
10 695 (4.05%) XML
11 692 (4.03%) REST
12 635 (3.70%) HTML5
13 615 (3.58%) RESTful
14 575 (3.35%) React
15 525 (3.06%) Elastic Stack
16 523 (3.05%) JSON
17 463 (2.70%) SOAP
18 457 (2.66%) Middleware
19 442 (2.58%) Kafka
20 392 (2.28%) Hibernate
Miscellaneous
1 1,544 (9.00%) Computer Science
2 1,070 (6.24%) Analytical Skills
3 827 (4.82%) Linux Command Line
4 806 (4.70%) Data Centre
5 794 (4.63%) Fintech
6 559 (3.26%) Management Information System
7 523 (3.05%) Self-Motivation
8 418 (2.44%) Public Cloud
9 387 (2.26%) User Experience
10 385 (2.24%) Greenfield Project
11 362 (2.11%) Enterprise Software
12 356 (2.08%) Algorithms
13 309 (1.80%) Mobile App
14 298 (1.74%) Private Cloud
15 291 (1.70%) Hedge funds
16 260 (1.52%) Clustering
17 234 (1.36%) Foreign Exchange (FX)
18 232 (1.35%) Replication
19 206 (1.20%) Data Structures
20 201 (1.17%) Equities
Operating Systems
1 6,144 (35.81%) Windows
2 3,463 (20.19%) Unix
3 1,616 (9.42%) Red Hat Enterprise Linux
3 1,616 (9.42%) Windows Server
4 1,177 (6.86%) CentOS
5 880 (5.13%) Ubuntu
6 538 (3.14%) Windows Server 2012
7 482 (2.81%) Windows Server 2008
8 466 (2.72%) Android
9 450 (2.62%) Solaris
10 409 (2.38%) Debian
11 370 (2.16%) Apple iOS
12 331 (1.93%) Windows 10
13 285 (1.66%) AIX
14 272 (1.59%) Windows 7
15 268 (1.56%) Mac OS X
16 215 (1.25%) Embedded Linux
17 169 (0.99%) Windows Server 2003
18 153 (0.89%) SUSE
19 150 (0.87%) Mac OS
Processes & Methodologies
1 4,820 (28.10%) DevOps
2 4,701 (27.40%) Agile Software Development
3 2,563 (14.94%) Software Engineering
4 1,953 (11.38%) Continuous Integration
5 1,848 (10.77%) Problem-Solving
6 1,670 (9.73%) Configuration Management
7 1,541 (8.98%) Test Automation
8 1,493 (8.70%) Open Source
9 1,360 (7.93%) Scrum
10 1,315 (7.66%) ITIL
11 1,194 (6.96%) Infrastructure Engineering
12 1,177 (6.86%) TDD
13 1,055 (6.15%) Microservices
14 963 (5.61%) OO
15 916 (5.34%) Cybersecurity
16 869 (5.07%) Mentoring
17 854 (4.98%) Information Security
18 783 (4.56%) Analytics
19 774 (4.51%) Continuous Delivery
20 765 (4.46%) MVC
Programming Languages
1 5,927 (34.55%) Python
2 4,536 (26.44%) Java
3 4,117 (24.00%) SQL
4 2,785 (16.23%) JavaScript
5 2,600 (15.16%) Bash Shell
6 2,290 (13.35%) C++
7 1,842 (10.74%) PHP
8 1,529 (8.91%) Ruby
9 1,488 (8.67%) PowerShell
10 1,452 (8.46%) Perl
11 1,353 (7.89%) C#
12 1,299 (7.57%) C
13 1,100 (6.41%) Shell Script
14 662 (3.86%) Go
15 359 (2.09%) PL/SQL
16 326 (1.90%) Java 8
17 317 (1.85%) Scala
18 202 (1.18%) Korn
19 193 (1.12%) Groovy
20 189 (1.10%) ES6
Qualifications
1 2,517 (14.67%) Degree
2 793 (4.62%) Security Cleared
3 694 (4.05%) Computer Science Degree
4 649 (3.78%) CISSP
5 537 (3.13%) Cisco Certification
6 439 (2.56%) SC Cleared
7 407 (2.37%) Microsoft Certification
8 382 (2.23%) CCNA
9 300 (1.75%) DV Cleared
10 261 (1.52%) MCSE
11 227 (1.32%) SANS
12 212 (1.24%) RHCE
13 193 (1.12%) AWS Certification
14 170 (0.99%) CISM
15 159 (0.93%) GIAC
16 157 (0.92%) CCNP
16 157 (0.92%) CEH
17 152 (0.89%) CompTIA Security+
18 150 (0.87%) MCSA
19 148 (0.86%) Numerate Degree
Quality Assurance & Compliance
1 674 (3.93%) QA
2 549 (3.20%) ISO/IEC 27001
3 365 (2.13%) SLA
4 280 (1.63%) GDPR
5 235 (1.37%) PCI DSS
6 100 (0.58%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
7 48 (0.28%) Cyber Essentials
7 48 (0.28%) Data Quality
8 41 (0.24%) Sarbanes-Oxley
9 37 (0.22%) PMO
10 34 (0.20%) ISO 9001
11 32 (0.19%) MiFID
12 29 (0.17%) ISO/IEC 20000
13 24 (0.14%) COBIT
14 19 (0.11%) ISO 22301
15 17 (0.099%) FISMA
16 15 (0.087%) MISRA
17 14 (0.082%) ECSS
18 13 (0.076%) MISRA C
19 12 (0.070%) PSD2
System Software
1 3,194 (18.62%) Docker
2 1,675 (9.76%) Active Directory
3 1,571 (9.16%) VMware Infrastructure
4 583 (3.40%) Hyper-V
5 420 (2.45%) Virtual Machines
6 415 (2.42%) VMware ESXi
7 370 (2.16%) vSphere
8 152 (0.89%) KVM
9 151 (0.88%) NFS
10 131 (0.76%) Firmware
11 121 (0.71%) HDFS
12 120 (0.70%) Xen
13 116 (0.68%) Oracle RAC
14 109 (0.64%) VirtualBox
14 109 (0.64%) XenApp
15 89 (0.52%) Virtual Servers
16 83 (0.48%) Apache ZooKeeper
17 79 (0.46%) VMware NSX
18 75 (0.44%) LXC
19 74 (0.43%) iptables
Systems Management
1 2,938 (17.13%) Ansible
2 2,715 (15.83%) Puppet
3 1,938 (11.30%) Opscode Chef
4 1,837 (10.71%) Kubernetes
5 1,334 (7.78%) Terraform
6 443 (2.58%) Salt
7 431 (2.51%) Nagios
8 272 (1.59%) Docker Swarm
9 263 (1.53%) Packer
10 261 (1.52%) ZABBIX
11 219 (1.28%) SCCM
12 217 (1.26%) Prometheus
13 187 (1.09%) Grafana
14 179 (1.04%) Kibana
15 163 (0.95%) vCenter Server
16 155 (0.90%) Consul
17 151 (0.88%) Graphite
18 144 (0.84%) HAProxy
19 132 (0.77%) logstash
20 97 (0.57%) Mesos
Vendors
1 2,387 (13.91%) VMware
2 2,306 (13.44%) Microsoft
3 1,920 (11.19%) Oracle
4 1,905 (11.10%) Red Hat
5 1,034 (6.03%) Cisco
6 826 (4.81%) Google
7 454 (2.65%) Citrix
8 424 (2.47%) Splunk
9 393 (2.29%) HP
10 378 (2.20%) IBM
11 305 (1.78%) Atlassian
12 296 (1.73%) NetApp
13 273 (1.59%) New Relic
14 263 (1.53%) EMC
15 217 (1.26%) SAP
15 217 (1.26%) Sybase
16 210 (1.22%) SolarWinds
17 204 (1.19%) Juniper
18 200 (1.17%) ServiceNow
19 189 (1.10%) Dell