Period
to 19 October 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 19 October 2021 with a comparison to the same period in the previous 2 years.

Linux
England > South East
6 months to
19 Oct 2021
Same period 2020 Same period 2019
Rank 21 22 18
Rank change year-on-year +1 -4 -1
Permanent jobs citing Linux 1,844 812 2,719
As % of all permanent jobs advertised in the South East 10.30% 10.20% 10.77%
As % of the Operating Systems category 48.86% 42.09% 42.03%
Number of salaries quoted 1,135 657 2,293
10th Percentile £32,000 £31,400 £29,000
25th Percentile £37,500 £37,500 £36,250
Median annual salary (50th Percentile) £50,000 £50,000 £47,500
Median % change year-on-year - +5.26% -2.06%
75th Percentile £67,500 £62,500 £62,500
90th Percentile £77,500 £71,750 £75,000
England median annual salary £58,500 £55,000 £55,000
% change year-on-year +6.36% - -

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 3,774 1,929 6,469
As % of all permanent IT jobs advertised in the South East 21.08% 24.23% 25.63%
Number of salaries quoted 2,573 1,598 5,460
10th Percentile £26,000 £26,250 £24,250
25th Percentile £32,626 £34,000 £31,000
Median annual salary (50th Percentile) £46,500 £46,000 £42,500
Median % change year-on-year +1.09% +8.24% -
75th Percentile £62,500 £60,000 £57,500
90th Percentile £72,500 £68,750 £70,000
England median annual salary £50,000 £50,000 £46,000
% change year-on-year - +8.70% -3.16%

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 19 October 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 19 October 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 0 751 £47,500 -5.00% 80
Thames Valley -2 613 £55,000 +10.00% 179
Berkshire +2 395 £60,000 +9.09% 102
Surrey +9 227 £52,000 -9.57% 40
Buckinghamshire -11 124 £50,000 +11.11% 29
East Sussex 0 117 £50,000 +11.11% 6
Oxfordshire -9 97 £50,845 +1.69% 48
West Sussex -7 57 £50,000 +17.65% 22
Kent -28 31 £40,000 -11.11% 10
Home Counties -12 3 £100,000 +14.29%
Middlesex - 1 - - 3
Sussex - 1 - - 2
Linux
England

For the 6 months to 19 October 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.

1 733 (39.75%) AWS
2 724 (39.26%) Agile Software Development
3 695 (37.69%) DevOps
4 669 (36.28%) Python
5 577 (31.29%) Java
6 574 (31.13%) Degree
7 568 (30.80%) Azure
8 566 (30.69%) Software Engineering
9 550 (29.83%) Windows
10 526 (28.52%) Ansible
11 500 (27.11%) Computer Science
12 498 (27.01%) Git (software)
13 449 (24.35%) Jenkins
14 433 (23.48%) Finance
15 422 (22.89%) Unix
16 398 (21.58%) VMware
17 357 (19.36%) Microservices
18 355 (19.25%) Docker
19 351 (19.03%) JavaScript
20 334 (18.11%) SQL
21 330 (17.90%) Scrum
22 325 (17.62%) CSS
23 320 (17.35%) Law
24 305 (16.54%) Terraform
25 304 (16.49%) Social Skills
26 303 (16.43%) VMware Infrastructure
27 294 (15.94%) Kubernetes
28 292 (15.84%) Full Stack Development
28 292 (15.84%) OO
29 289 (15.67%) Inclusion and Diversity

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
1 257 (13.94%) Apache
2 233 (12.64%) Apache Spark
3 184 (9.98%) GemFire
4 60 (3.25%) MS Exchange
5 58 (3.15%) Confluence
6 51 (2.77%) Cloud Foundry
7 47 (2.55%) Elasticsearch
8 43 (2.33%) nginx
9 40 (2.17%) OpenStack
10 35 (1.90%) WebLogic
11 29 (1.57%) IIS
12 28 (1.52%) Tomcat
13 27 (1.46%) SharePoint
14 26 (1.41%) Exchange Server 2013
15 24 (1.30%) JBoss
16 17 (0.92%) CMS
16 17 (0.92%) Jupyter
17 6 (0.33%) Adobe Experience Manager
17 6 (0.33%) LiveCycle
17 6 (0.33%) Tornado
Applications
1 38 (2.06%) Microsoft Office
2 8 (0.43%) Microsoft Project
3 4 (0.22%) MS Visio
4 1 (0.054%) Adobe Illustrator
4 1 (0.054%) Adobe XD
4 1 (0.054%) GNU Octave
4 1 (0.054%) Microsoft PowerPoint
4 1 (0.054%) Photoshop
4 1 (0.054%) Sketch
4 1 (0.054%) SOLIDWORKS
Business Applications
1 23 (1.25%) Sentinel
2 8 (0.43%) Distributed Ledger
2 8 (0.43%) Magento
3 4 (0.22%) Payment Gateway
3 4 (0.22%) Salesforce.com CRM
4 3 (0.16%) SAP GTS
5 2 (0.11%) Remedy ITSM
5 2 (0.11%) SAP ERP
5 2 (0.11%) SAP S/4HANA
6 1 (0.054%) Oracle Applications
6 1 (0.054%) Oracle EBS
6 1 (0.054%) Oracle EBS R12
6 1 (0.054%) R3 Corda
Cloud Services
1 733 (39.75%) AWS
2 568 (30.80%) Azure
3 258 (13.99%) GitHub
4 186 (10.09%) GCP
5 170 (9.22%) Amazon Kinesis
6 114 (6.18%) SaaS
7 90 (4.88%) Microsoft 365
8 89 (4.83%) PaaS
9 76 (4.12%) OpenShift
10 74 (4.01%) Amazon EC2
11 71 (3.85%) Serverless
12 70 (3.80%) IaaS
13 69 (3.74%) AWS CloudFormation
14 58 (3.15%) Cloud Computing
15 48 (2.60%) Azure Active Directory
16 43 (2.33%) Amazon S3
17 31 (1.68%) AWS Lambda
18 26 (1.41%) Amazon CloudWatch
19 25 (1.36%) Azure Sentinel
20 21 (1.14%) Virtual Private Cloud
Communications & Networking
1 192 (10.41%) Firewall
2 153 (8.30%) DNS
3 105 (5.69%) VPN
4 93 (5.04%) TCP/IP
5 90 (4.88%) DHCP
6 63 (3.42%) HTTP
7 57 (3.09%) Internet
8 48 (2.60%) WAN
9 47 (2.55%) LAN
9 47 (2.55%) Network Security
10 39 (2.11%) SAN
11 37 (2.01%) BGP
12 32 (1.74%) Wireless
13 27 (1.46%) IPsec
13 27 (1.46%) SSL
14 26 (1.41%) Wi-Fi
15 24 (1.30%) SSH
16 22 (1.19%) Wireshark
17 19 (1.03%) OSPF
18 17 (0.92%) VoIP
Database & Business Intelligence
1 285 (15.46%) Relational Database
2 252 (13.67%) MariaDB
3 249 (13.50%) PostgreSQL
4 237 (12.85%) MySQL
5 231 (12.53%) Redis
6 230 (12.47%) HBase
7 229 (12.42%) NoSQL
8 202 (10.95%) Big Data
9 126 (6.83%) SQL Server
10 71 (3.85%) Hadoop
11 64 (3.47%) MongoDB
12 58 (3.15%) RDBMS
13 50 (2.71%) Oracle Database
14 45 (2.44%) Amazon DynamoDB
15 33 (1.79%) Oracle Database 12c
16 28 (1.52%) Oracle Database 10g
16 28 (1.52%) Oracle Database 11g
17 22 (1.19%) Amazon RDS
18 16 (0.87%) Data Warehouse
18 16 (0.87%) SQL Server Integration Services
Development Applications
1 498 (27.01%) Git (software)
2 449 (24.35%) Jenkins
3 204 (11.06%) Gradle
4 196 (10.63%) JUnit
5 195 (10.57%) Sonatype Nexus
6 193 (10.47%) Cucumber
7 191 (10.36%) IntelliJ
8 187 (10.14%) Cypress.io
9 185 (10.03%) Eclipse
9 185 (10.03%) JIRA
10 184 (9.98%) Protractor
10 184 (9.98%) Storybook
11 176 (9.54%) Mockito
12 136 (7.38%) Artifactory
13 90 (4.88%) SonarQube
14 76 (4.12%) GitLab
15 72 (3.90%) Bitbucket
16 25 (1.36%) Subversion
17 24 (1.30%) Octopus Deploy
18 20 (1.08%) NUnit
General
1 433 (23.48%) Finance
2 320 (17.35%) Law
3 304 (16.49%) Social Skills
4 289 (15.67%) Inclusion and Diversity
5 283 (15.35%) Banking
6 150 (8.13%) Analytical Skills
7 99 (5.37%) Telecoms
8 79 (4.28%) Presentation Skills
9 73 (3.96%) Retail
10 54 (2.93%) Public Sector
11 51 (2.77%) Marketing
12 44 (2.39%) Organisational Skills
13 42 (2.28%) Electronics
14 31 (1.68%) Manufacturing
15 29 (1.57%) Legal
16 19 (1.03%) Games
17 15 (0.81%) Documentation Skills
18 8 (0.43%) Financial Institution
19 7 (0.38%) Wearables
20 6 (0.33%) Automotive
Job Titles
1 426 (23.10%) Developer
2 337 (18.28%) Software Engineer
3 243 (13.18%) DevOps Engineer
4 115 (6.24%) Principal Engineer
4 115 (6.24%) Software Developer
5 113 (6.13%) Principal Software Engineer
6 110 (5.97%) Support Engineer
7 107 (5.80%) Cloud Engineer
8 100 (5.42%) Architect
9 90 (4.88%) Administrator
10 89 (4.83%) Infrastructure Engineer
11 88 (4.77%) Senior Software Engineer
12 82 (4.45%) PHP Developer
13 66 (3.58%) Java Developer
14 65 (3.52%) Lead Developer
14 65 (3.52%) Systems Administrator
15 58 (3.15%) Lead Software Engineer
16 57 (3.09%) Lead Software Developer
16 57 (3.09%) Linux Engineer
17 54 (2.93%) C++ Software Engineer
Libraries, Frameworks & Software Standards
1 325 (17.62%) CSS
2 285 (15.46%) AngularJS
3 275 (14.91%) Spring
4 255 (13.83%) Node.js
5 250 (13.56%) React
6 243 (13.18%) JSON
7 242 (13.12%) Kafka
8 225 (12.20%) RabbitMQ
8 225 (12.20%) RESTful
9 214 (11.61%) LAMP
10 209 (11.33%) Web Services
11 200 (10.85%) REST
12 199 (10.79%) Play Framework
13 190 (10.30%) Redux
14 188 (10.20%) Twitter Bootstrap
15 184 (9.98%) Express
15 184 (9.98%) HTML
15 184 (9.98%) Tailwind CSS
16 181 (9.82%) Spark Streaming
17 176 (9.54%) WireMock
Miscellaneous
1 262 (14.21%) Linux Command Line
2 174 (9.44%) User Experience
3 144 (7.81%) Self-Motivation
4 91 (4.93%) Data Centre
5 56 (3.04%) Management Information System
6 50 (2.71%) Algorithms
7 43 (2.33%) Greenfield Project
8 38 (2.06%) Virtual Team
9 34 (1.84%) Hybrid Cloud
10 28 (1.52%) Public Cloud
11 24 (1.30%) Device Driver
12 21 (1.14%) Cloud Native
12 21 (1.14%) Private Cloud
13 20 (1.08%) Client/Server
13 20 (1.08%) Embedded Systems
14 19 (1.03%) iPad
14 19 (1.03%) Legacy Systems
14 19 (1.03%) Mobile App
15 18 (0.98%) Clustering
16 17 (0.92%) Replication
Operating Systems
1 550 (29.83%) Windows
2 422 (22.89%) Unix
3 170 (9.22%) Windows Server
4 127 (6.89%) Red Hat Enterprise Linux
5 91 (4.93%) CentOS
6 87 (4.72%) Ubuntu
7 50 (2.71%) Windows Server 2012
8 49 (2.66%) Windows Server 2016
9 43 (2.33%) Windows 10
10 33 (1.79%) Debian
11 31 (1.68%) Windows Server 2019
12 30 (1.63%) Mac OS
12 30 (1.63%) Windows Server 2008
13 29 (1.57%) Android
14 25 (1.36%) Embedded Linux
15 19 (1.03%) Apple iOS
16 18 (0.98%) Windows 7
17 16 (0.87%) Solaris
18 13 (0.70%) Fedora
19 12 (0.65%) VMS
Processes & Methodologies
1 724 (39.26%) Agile Software Development
2 695 (37.69%) DevOps
3 566 (30.69%) Software Engineering
4 500 (27.11%) Computer Science
5 357 (19.36%) Microservices
6 330 (17.90%) Scrum
7 292 (15.84%) Full Stack Development
7 292 (15.84%) OO
8 267 (14.48%) Digital Banking
9 257 (13.94%) Problem-Solving
10 224 (12.15%) TDD
11 202 (10.95%) Validation
12 201 (10.90%) High Availability
13 195 (10.57%) Open Source
14 193 (10.47%) Software Testing
15 184 (9.98%) Cross-Browser Testing
16 180 (9.76%) Business Continuity
17 176 (9.54%) Multithreading
18 173 (9.38%) Continuous Integration
19 172 (9.33%) Clean Code
Programming Languages
1 669 (36.28%) Python
2 577 (31.29%) Java
3 351 (19.03%) JavaScript
4 334 (18.11%) SQL
5 277 (15.02%) Shell Script
6 236 (12.80%) C++
7 224 (12.15%) PHP
8 215 (11.66%) Bash Shell
9 211 (11.44%) Groovy
10 198 (10.74%) C#
11 153 (8.30%) PowerShell
12 125 (6.78%) C
13 112 (6.07%) Perl
14 63 (3.42%) Ruby
15 50 (2.71%) TypeScript
16 41 (2.22%) Go
17 36 (1.95%) PHP 5
18 35 (1.90%) PL/SQL
19 27 (1.46%) PHP 7
20 24 (1.30%) T-SQL
Qualifications
1 574 (31.13%) Degree
2 176 (9.54%) OCP
2 176 (9.54%) Oracle Certification
3 145 (7.86%) Security Cleared
4 139 (7.54%) Computer Science Degree
5 76 (4.12%) SC Cleared
6 45 (2.44%) Cisco Certification
7 29 (1.57%) CCNP
8 28 (1.52%) AWS Certification
8 28 (1.52%) CCNA
9 23 (1.25%) DV Cleared
9 23 (1.25%) SANS
10 19 (1.03%) PhD
11 15 (0.81%) CISA
11 15 (0.81%) CISSP
11 15 (0.81%) GCFA
11 15 (0.81%) GCFE
11 15 (0.81%) GCIA
11 15 (0.81%) GCIH
11 15 (0.81%) Microsoft Certification
Quality Assurance & Compliance
1 80 (4.34%) QA
2 57 (3.09%) SLA
3 49 (2.66%) ISO/IEC 27001
4 17 (0.92%) GDPR
5 16 (0.87%) Cyber Essentials
6 11 (0.60%) NIST
7 10 (0.54%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
8 9 (0.49%) Data Quality
8 9 (0.49%) PCI DSS
9 8 (0.43%) COBIT
9 8 (0.43%) Sarbanes-Oxley
10 7 (0.38%) Accessibility
10 7 (0.38%) HIPAA
11 6 (0.33%) PMO
12 5 (0.27%) ISO/IEC 27005
13 4 (0.22%) ISO 9001
13 4 (0.22%) NCSC
14 3 (0.16%) Def Stans
15 2 (0.11%) ISO/IEC 17025
16 1 (0.054%) GRC
System Software
1 355 (19.25%) Docker
2 303 (16.43%) VMware Infrastructure
3 187 (10.14%) HDFS
4 186 (10.09%) Active Directory
5 61 (3.31%) Virtual Machines
6 55 (2.98%) Hyper-V
7 29 (1.57%) vSphere
8 26 (1.41%) Virtual Servers
9 18 (0.98%) Firmware
10 16 (0.87%) Virtual Desktop
11 13 (0.70%) KVM
11 13 (0.70%) RHEV
12 9 (0.49%) VMware ESXi
13 7 (0.38%) Apache ZooKeeper
14 5 (0.27%) iptables
14 5 (0.27%) NFS
15 4 (0.22%) LXC
16 2 (0.11%) OpenAM
16 2 (0.11%) OpenIDM
16 2 (0.11%) VMware NSX
Systems Management
1 526 (28.52%) Ansible
2 305 (16.54%) Terraform
3 294 (15.94%) Kubernetes
4 135 (7.32%) Opscode Chef
5 97 (5.26%) Puppet
6 26 (1.41%) Grafana
7 16 (0.87%) Microsoft Intune
8 15 (0.81%) Packer
9 11 (0.60%) Jamf Pro
10 10 (0.54%) HP ALM
10 10 (0.54%) Prometheus
11 9 (0.49%) Istio
11 9 (0.49%) Single Sign-On
12 8 (0.43%) Pingdom
12 8 (0.43%) SCCM
13 7 (0.38%) Consul
13 7 (0.38%) FortiGate
13 7 (0.38%) PowerCLI
13 7 (0.38%) SolarWinds Orion
13 7 (0.38%) vCenter Server
Vendors
1 398 (21.58%) VMware
2 247 (13.39%) Microsoft
3 184 (9.98%) Okta
4 138 (7.48%) Oracle
5 103 (5.59%) Cisco
6 93 (5.04%) Red Hat
7 60 (3.25%) Google
8 36 (1.95%) Zend
9 31 (1.68%) SAP
9 31 (1.68%) Splunk
10 26 (1.41%) Apple
11 25 (1.36%) Meraki
12 21 (1.14%) HP
13 20 (1.08%) ServiceNow
14 18 (0.98%) IBM
15 16 (0.87%) Dynatrace
15 16 (0.87%) Hitachi
16 15 (0.81%) EMC
16 15 (0.81%) Sophos
17 14 (0.76%) Citrix