Period
to 26 July 2021

The following table provides summary statistics for permanent job vacancies advertised in the South East 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 26 July 2021 with a comparison to the same period in the previous 2 years.

Linux
England > South East
6 months to
26 Jul 2021
Same period 2020 Same period 2019
Rank 22 20 18
Rank change year-on-year -2 -2 -1
Permanent jobs citing Linux 1,736 1,238 3,049
As % of all permanent jobs advertised in the South East 10.63% 10.11% 11.48%
As % of the Operating Systems category 49.37% 42.66% 45.26%
Number of salaries quoted 1,106 1,002 2,498
10th Percentile £32,500 £31,500 £30,000
25th Percentile £37,500 £37,500 £37,500
Median annual salary (50th Percentile) £50,000 £50,000 £50,000
75th Percentile £63,750 £61,250 £63,750
90th Percentile £75,000 £72,500 £76,250
England median annual salary £57,500 £55,000 £55,000
% change year-on-year +4.55% - +4.76%

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 advertised in the South East with a requirement for operating system skills.

All Operating Systems
South East
Permanent vacancies with a requirement for operating system skills 3,516 2,902 6,736
As % of all permanent IT jobs advertised in the South East 21.53% 23.70% 25.36%
Number of salaries quoted 2,517 2,423 5,586
10th Percentile £26,875 £27,500 £25,000
25th Percentile £35,000 £35,000 £31,250
Median annual salary (50th Percentile) £47,500 £45,000 £45,000
Median % change year-on-year +5.56% - +5.88%
75th Percentile £62,500 £60,000 £58,750
90th Percentile £70,000 £70,000 £70,000
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% -

Linux
Job Vacancy Trend in the South East

Job postings citing Linux as a proportion of all IT jobs advertised in the South East.

Job vacancy trend for Linux in the South East

Linux
Salary Trend in the South East

3-month moving average salary quoted in jobs citing Linux in the South East.

Salary trend for Linux in the South East

Linux
Salary Histogram in the South East

Salary distribution for jobs citing Linux in the South East over the 6 months to 26 July 2021.

Salary histogram for Linux in the South East

Linux
Job Locations in the South East

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Linux within the South East region over the 6 months to 26 July 2021. 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
Hampshire +2 694 £45,000 - 75
Thames Valley -4 571 £57,500 +15.00% 171
Berkshire -3 361 £60,000 +9.09% 83
Surrey +10 251 £52,500 -8.70% 53
East Sussex +1 111 £50,000 +25.00% 12
Buckinghamshire -14 111 £50,000 +11.11% 33
Oxfordshire -2 100 £52,500 +5.00% 55
West Sussex -16 50 £40,000 -11.11% 16
Kent -17 29 £38,750 +10.71% 6
Home Counties - 5 £90,000 -
Linux
England

For the 6 months to 26 July 2021, 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 across the South East region with a requirement for Linux.

1 650 (37.44%) Agile Software Development
2 629 (36.23%) AWS
3 610 (35.14%) DevOps
4 573 (33.01%) Python
5 518 (29.84%) Software Engineering
6 512 (29.49%) Windows
7 511 (29.44%) Java
8 503 (28.97%) Degree
9 486 (28.00%) Azure
10 467 (26.90%) Ansible
11 450 (25.92%) Git (software)
12 437 (25.17%) Computer Science
13 396 (22.81%) VMware
14 390 (22.47%) Finance
15 386 (22.24%) Unix
16 350 (20.16%) Jenkins
17 346 (19.93%) Social Skills
18 340 (19.59%) Docker
19 329 (18.95%) JavaScript
20 323 (18.61%) Microservices
21 320 (18.43%) SQL
21 320 (18.43%) CSS
22 296 (17.05%) Law
23 285 (16.42%) VMware Infrastructure
24 284 (16.36%) Terraform
25 279 (16.07%) Scrum
26 276 (15.90%) Relational Database
27 264 (15.21%) Kubernetes
28 257 (14.80%) Inclusion and Diversity
29 256 (14.75%) Banking

Linux
Co-occurring IT Skills in the South East 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
1 230 (13.25%) Apache
2 208 (11.98%) Apache Spark
3 174 (10.02%) GemFire
4 46 (2.65%) Elasticsearch
4 46 (2.65%) MS Exchange
5 43 (2.48%) Cloud Foundry
6 42 (2.42%) Confluence
7 38 (2.19%) nginx
8 32 (1.84%) SharePoint
9 31 (1.79%) IIS
10 28 (1.61%) Exchange Server 2013
11 27 (1.56%) WebLogic
12 24 (1.38%) OpenStack
13 19 (1.09%) Tomcat
14 13 (0.75%) CMS
15 12 (0.69%) JBoss
16 10 (0.58%) WordPress
17 6 (0.35%) BizTalk Server
17 6 (0.35%) Jupyter
17 6 (0.35%) Oracle Coherence
Applications
1 27 (1.56%) Microsoft Office
2 10 (0.58%) Microsoft Project
3 5 (0.29%) Microsoft Excel
3 5 (0.29%) MS Visio
4 2 (0.12%) Microsoft PowerPoint
5 1 (0.058%) GNU Octave
5 1 (0.058%) Sketch
5 1 (0.058%) SOLIDWORKS
Business Applications
1 7 (0.40%) Distributed Ledger
2 4 (0.23%) Magento
3 3 (0.17%) SAP GTS
4 2 (0.12%) SAP Oil and Gas
4 2 (0.12%) SAP S/4HANA
4 2 (0.12%) Sentinel
5 1 (0.058%) Oracle Applications
5 1 (0.058%) Oracle EBS
5 1 (0.058%) Oracle EBS R12
5 1 (0.058%) SAP ERP
Cloud Services
1 629 (36.23%) AWS
2 486 (28.00%) Azure
3 233 (13.42%) GitHub
4 153 (8.81%) GCP
5 152 (8.76%) Amazon Kinesis
6 95 (5.47%) SaaS
7 87 (5.01%) Microsoft 365
8 83 (4.78%) PaaS
9 70 (4.03%) AWS CloudFormation
10 68 (3.92%) Amazon EC2
11 61 (3.51%) IaaS
12 51 (2.94%) Azure Active Directory
13 50 (2.88%) Cloud Computing
14 48 (2.76%) OpenShift
15 28 (1.61%) Serverless
16 24 (1.38%) Amazon S3
17 14 (0.81%) AWS Lambda
17 14 (0.81%) Virtual Private Cloud
18 13 (0.75%) Amazon CloudWatch
18 13 (0.75%) Amazon ECS
Communications & Networking
1 207 (11.92%) Firewall
2 158 (9.10%) DNS
3 107 (6.16%) VPN
4 100 (5.76%) TCP/IP
5 99 (5.70%) DHCP
6 63 (3.63%) HTTP
7 57 (3.28%) Network Security
8 50 (2.88%) SAN
9 47 (2.71%) Internet
9 47 (2.71%) WAN
10 45 (2.59%) Wireless
11 43 (2.48%) BGP
12 36 (2.07%) LAN
13 26 (1.50%) IPsec
14 23 (1.32%) SSH
15 22 (1.27%) 5G
16 21 (1.21%) 4G
16 21 (1.21%) OSPF
17 19 (1.09%) SMTP
17 19 (1.09%) Wireshark
Database & Business Intelligence
1 276 (15.90%) Relational Database
2 239 (13.77%) MariaDB
3 233 (13.42%) PostgreSQL
4 228 (13.13%) MySQL
5 224 (12.90%) NoSQL
6 206 (11.87%) Redis
7 205 (11.81%) HBase
8 177 (10.20%) Big Data
9 126 (7.26%) SQL Server
10 61 (3.51%) RDBMS
11 56 (3.23%) Hadoop
12 55 (3.17%) MongoDB
13 54 (3.11%) Oracle Database
14 39 (2.25%) Amazon DynamoDB
15 35 (2.02%) Oracle Database 12c
16 29 (1.67%) Oracle Database 11g
17 23 (1.32%) Oracle Database 10g
18 21 (1.21%) Amazon RDS
19 8 (0.46%) CouchDB
20 7 (0.40%) Apache Hive
Development Applications
1 450 (25.92%) Git (software)
2 350 (20.16%) Jenkins
3 191 (11.00%) Gradle
4 186 (10.71%) Cucumber
4 186 (10.71%) JUnit
5 185 (10.66%) Sonatype Nexus
6 177 (10.20%) Cypress.io
7 176 (10.14%) IntelliJ
8 174 (10.02%) Protractor
9 173 (9.97%) Storybook
10 167 (9.62%) Eclipse
11 163 (9.39%) Mockito
12 142 (8.18%) JIRA
13 120 (6.91%) Artifactory
14 80 (4.61%) SonarQube
15 66 (3.80%) Bitbucket
16 57 (3.28%) GitLab
17 23 (1.32%) Subversion
18 22 (1.27%) Moq
18 22 (1.27%) NUnit
General
1 390 (22.47%) Finance
2 346 (19.93%) Social Skills
3 296 (17.05%) Law
4 257 (14.80%) Inclusion and Diversity
5 256 (14.75%) Banking
6 106 (6.11%) Analytical Skills
7 98 (5.65%) Telecoms
8 69 (3.97%) Retail
9 66 (3.80%) Presentation Skills
9 66 (3.80%) Public Sector
10 55 (3.17%) Marketing
11 49 (2.82%) Electronics
12 40 (2.30%) Manufacturing
13 30 (1.73%) Organisational Skills
14 28 (1.61%) Legal
15 15 (0.86%) Games
16 14 (0.81%) Automotive
16 14 (0.81%) Documentation Skills
17 12 (0.69%) Military
18 11 (0.63%) Billing
Job Titles
1 415 (23.91%) Developer
2 295 (16.99%) Software Engineer
3 235 (13.54%) DevOps Engineer
4 106 (6.11%) Infrastructure Engineer
5 102 (5.88%) Principal Engineer
6 100 (5.76%) Architect
7 97 (5.59%) Principal Software Engineer
8 88 (5.07%) Administrator
8 88 (5.07%) Cloud Engineer
8 88 (5.07%) Software Developer
9 86 (4.95%) Support Engineer
10 72 (4.15%) Java Developer
11 69 (3.97%) Systems Administrator
12 68 (3.92%) Senior Software Engineer
13 65 (3.74%) PHP Developer
14 64 (3.69%) Linux Engineer
15 57 (3.28%) Senior DevOps
15 57 (3.28%) Senior DevOps Engineer
16 50 (2.88%) Lead Developer
17 48 (2.76%) Lead Software Engineer
Libraries, Frameworks & Software Standards
1 320 (18.43%) CSS
2 253 (14.57%) AngularJS
3 236 (13.59%) React
4 235 (13.54%) Spring
5 231 (13.31%) Node.js
6 221 (12.73%) Kafka
7 216 (12.44%) LAMP
8 205 (11.81%) HTML
9 203 (11.69%) JSON
10 202 (11.64%) RESTful
11 201 (11.58%) REST
12 192 (11.06%) Web Services
13 191 (11.00%) Redux
14 188 (10.83%) RabbitMQ
15 179 (10.31%) Twitter Bootstrap
16 175 (10.08%) Tailwind CSS
17 173 (9.97%) Express
18 168 (9.68%) WireMock
19 167 (9.62%) Play Framework
20 166 (9.56%) Spark Streaming
Miscellaneous
1 245 (14.11%) Linux Command Line
2 155 (8.93%) User Experience
3 127 (7.32%) Self-Motivation
4 102 (5.88%) Data Centre
5 37 (2.13%) Greenfield Project
6 36 (2.07%) Management Information System
7 31 (1.79%) Public Cloud
8 25 (1.44%) Algorithms
9 24 (1.38%) Virtual Team
10 23 (1.32%) Private Cloud
11 21 (1.21%) iPad
12 20 (1.15%) Embedded Systems
13 19 (1.09%) NHS
14 18 (1.04%) Clustering
14 18 (1.04%) Cybercrime
14 18 (1.04%) Device Driver
14 18 (1.04%) Mobile App
15 17 (0.98%) Legacy Systems
16 14 (0.81%) Cloud Native
16 14 (0.81%) Hybrid Cloud
Operating Systems
1 512 (29.49%) Windows
2 386 (22.24%) Unix
3 152 (8.76%) Windows Server
4 123 (7.09%) Red Hat Enterprise Linux
5 102 (5.88%) Ubuntu
6 89 (5.13%) CentOS
7 61 (3.51%) Windows Server 2012
8 56 (3.23%) Windows Server 2016
9 51 (2.94%) Windows 10
10 41 (2.36%) Android
11 37 (2.13%) Windows Server 2019
12 35 (2.02%) Debian
13 27 (1.56%) Embedded Linux
14 26 (1.50%) Windows Server 2008
15 24 (1.38%) Apple iOS
16 20 (1.15%) Windows 7
17 17 (0.98%) VMS
18 15 (0.86%) Solaris
19 14 (0.81%) Fedora
20 9 (0.52%) SUSE
Processes & Methodologies
1 650 (37.44%) Agile Software Development
2 610 (35.14%) DevOps
3 518 (29.84%) Software Engineering
4 437 (25.17%) Computer Science
5 323 (18.61%) Microservices
6 279 (16.07%) Scrum
7 245 (14.11%) OO
8 244 (14.06%) Digital Banking
9 239 (13.77%) Problem-Solving
10 209 (12.04%) High Availability
11 200 (11.52%) Software Testing
12 194 (11.18%) Open Source
13 186 (10.71%) TDD
14 185 (10.66%) Validation
15 174 (10.02%) Cross-Browser Testing
16 161 (9.27%) Clean Code
16 161 (9.27%) Test Automation
17 159 (9.16%) Business Continuity
18 150 (8.64%) Site Reliability Engineering
19 146 (8.41%) Continuous Integration
Programming Languages
1 573 (33.01%) Python
2 511 (29.44%) Java
3 329 (18.95%) JavaScript
4 320 (18.43%) SQL
5 230 (13.25%) Shell Script
6 213 (12.27%) Bash Shell
7 209 (12.04%) PHP
8 188 (10.83%) Groovy
9 182 (10.48%) C++
10 134 (7.72%) PowerShell
11 123 (7.09%) C#
12 107 (6.16%) C
13 69 (3.97%) Ruby
14 67 (3.86%) Perl
15 57 (3.28%) TypeScript
16 35 (2.02%) Go
16 35 (2.02%) PL/SQL
17 31 (1.79%) PHP 7
18 26 (1.50%) PHP 5
19 22 (1.27%) Gremlin
Qualifications
1 503 (28.97%) Degree
2 174 (10.02%) Security Cleared
3 163 (9.39%) OCP
3 163 (9.39%) Oracle Certification
4 127 (7.32%) Computer Science Degree
5 83 (4.78%) SC Cleared
6 41 (2.36%) Cisco Certification
7 37 (2.13%) AWS Certification
8 30 (1.73%) CCNP
9 25 (1.44%) CCNA
10 24 (1.38%) DV Cleared
11 19 (1.09%) Numerate Degree
12 17 (0.98%) PhD
13 16 (0.92%) CISSP
14 15 (0.86%) Master's Degree
14 15 (0.86%) Microsoft Certification
15 14 (0.81%) CISA
16 12 (0.69%) TOGAF Certification
17 11 (0.63%) CEH
18 10 (0.58%) CCIE
Quality Assurance & Compliance
1 83 (4.78%) QA
2 46 (2.65%) SLA
3 39 (2.25%) ISO/IEC 27001
4 12 (0.69%) Accessibility
4 12 (0.69%) GDPR
4 12 (0.69%) NIST
5 9 (0.52%) Cyber Essentials
5 9 (0.52%) PCI DSS
6 6 (0.35%) COBIT
6 6 (0.35%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
6 6 (0.35%) NCSC
6 6 (0.35%) PMO
6 6 (0.35%) Sarbanes-Oxley
7 5 (0.29%) Def Stans
7 5 (0.29%) ISO 9001
7 5 (0.29%) ISO/IEC 27005
8 4 (0.23%) Data Quality
8 4 (0.23%) GRC
8 4 (0.23%) HIPAA
9 2 (0.12%) ISO/IEC 17025
System Software
1 340 (19.59%) Docker
2 285 (16.42%) VMware Infrastructure
3 181 (10.43%) Active Directory
4 169 (9.74%) HDFS
5 68 (3.92%) Hyper-V
6 54 (3.11%) Virtual Machines
7 40 (2.30%) vSphere
8 23 (1.32%) RHEV
9 21 (1.21%) Firmware
10 15 (0.86%) KVM
10 15 (0.86%) Virtual Servers
11 12 (0.69%) VMware ESXi
12 8 (0.46%) iptables
12 8 (0.46%) Virtual Desktop
13 6 (0.35%) Oracle RAC
14 5 (0.29%) Apache ZooKeeper
14 5 (0.29%) XenApp
15 4 (0.23%) LXC
15 4 (0.23%) Postfix
15 4 (0.23%) XenDesktop
Systems Management
1 467 (26.90%) Ansible
2 284 (16.36%) Terraform
3 264 (15.21%) Kubernetes
4 110 (6.34%) Puppet
5 97 (5.59%) Opscode Chef
6 29 (1.67%) Grafana
7 17 (0.98%) Microsoft Intune
8 15 (0.86%) Packer
9 12 (0.69%) Jamf Pro
9 12 (0.69%) Prometheus
10 11 (0.63%) Icinga
11 10 (0.58%) Oracle RMAN
12 9 (0.52%) Consul
13 8 (0.46%) Single Sign-On
13 8 (0.46%) vCenter Server
13 8 (0.46%) vRealize
13 8 (0.46%) ZABBIX
14 7 (0.40%) Rancher
15 6 (0.35%) PowerCLI
15 6 (0.35%) SCOM
Vendors
1 396 (22.81%) VMware
2 227 (13.08%) Microsoft
3 173 (9.97%) Okta
4 129 (7.43%) Oracle
5 120 (6.91%) Cisco
6 79 (4.55%) Red Hat
7 50 (2.88%) Google
8 43 (2.48%) SAP
9 32 (1.84%) Meraki
10 26 (1.50%) IBM
10 26 (1.50%) Zend
11 25 (1.44%) HP
12 22 (1.27%) F5
13 20 (1.15%) Citrix
14 19 (1.09%) Juniper
15 18 (1.04%) Dell
15 18 (1.04%) Veeam
16 17 (0.98%) EMC
17 16 (0.92%) Apple
17 16 (0.92%) ServiceNow