Period
to 26 February 2021

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

Linux
England > London
6 months to
26 Feb 2021
Same period 2020 Same period 2019
Rank 24 26 19
Rank change year-on-year +2 -7 -3
Permanent jobs citing Linux 2,429 4,392 6,412
As % of all permanent jobs advertised in London 8.76% 8.66% 10.21%
As % of the Operating Systems category 49.17% 41.91% 45.41%
Number of salaries quoted 2,285 3,615 5,583
Median annual salary £70,000 £67,500 £65,000
Median salary % change year-on-year +3.70% +3.85% +4.00%
10th Percentile £45,000 £40,000 £38,000
90th Percentile £100,000 £102,500 £95,000
England median annual salary £55,500 £55,000 £55,000
% change year-on-year +0.91% - +10.00%

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 London with a requirement for operating system skills.

All Operating Systems
London
Permanent vacancies with a requirement for operating system skills 4,940 10,480 14,121
As % of all permanent IT jobs advertised in London 17.81% 20.66% 22.48%
Number of salaries quoted 4,075 8,582 11,857
Median annual salary £65,000 £57,500 £60,000
Median salary % change year-on-year +13.04% -4.17% +9.09%
10th Percentile £35,000 £29,000 £30,000
90th Percentile £95,000 £91,250 £90,000
England median annual salary £50,000 £46,500 £47,500
% change year-on-year +7.53% -2.11% +5.56%

Linux
Job Vacancy Trend in London

Job postings citing Linux as a proportion of all IT jobs advertised in London.

Job vacancy trend for Linux in London

Linux
Salary Trend in London

3-month moving average salary quoted in jobs citing Linux in London.

Salary trend for Linux in London

Linux
Salary Histogram in London

Salary distribution for jobs citing Linux in London over the 6 months to 26 February 2021.

Salary histogram for Linux in London

Linux
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Linux within the London region over the 6 months to 26 February 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
Central London -11 465 £70,000 -3.45% 202
South London +8 94 £70,000 +7.69% 13
West London -24 39 £62,500 +8.70% 69
East London -14 14 £60,000 -4.00% 30
North London +11 5 £45,000 -15.09% 5
Linux
England

For the 6 months to 26 February 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 London region with a requirement for Linux.

1 1,037 (42.69%) Python
2 956 (39.36%) DevOps
3 942 (38.78%) AWS
4 742 (30.55%) Docker
5 684 (28.16%) Windows
6 677 (27.87%) Finance
7 644 (26.51%) Kubernetes
8 616 (25.36%) Terraform
9 605 (24.91%) Agile Software Development
10 565 (23.26%) Ansible
11 547 (22.52%) Java
12 525 (21.61%) Azure
13 482 (19.84%) Jenkins
14 464 (19.10%) SQL
15 449 (18.48%) Unix
16 396 (16.30%) Puppet
17 395 (16.26%) Bash Shell
18 354 (14.57%) Software Engineering
19 346 (14.24%) Git (software)
20 321 (13.22%) Infrastructure as Code
21 303 (12.47%) Microsoft
22 292 (12.02%) GCP
23 283 (11.65%) JavaScript
24 270 (11.12%) Fintech
25 256 (10.54%) C++
26 254 (10.46%) Firewall
27 252 (10.37%) Degree
28 243 (10.00%) TDD
29 238 (9.80%) JIRA
30 235 (9.67%) VMware

Linux
Co-occurring IT Skills in London 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
1 113 (4.65%) Confluence
2 101 (4.16%) Apache
3 84 (3.46%) Elasticsearch
4 54 (2.22%) Apache Spark
5 38 (1.56%) IIS
6 37 (1.52%) nginx
7 35 (1.44%) Apache Airflow
8 33 (1.36%) Tomcat
9 24 (0.99%) Skype for Business
10 23 (0.95%) CMS
11 19 (0.78%) OpenStack
11 19 (0.78%) WebLogic
12 18 (0.74%) Oracle SOA Suite
13 16 (0.66%) Red Hat Fuse
14 15 (0.62%) Cloud Foundry
14 15 (0.62%) SharePoint
15 10 (0.41%) MS Exchange
16 8 (0.33%) Drupal
17 7 (0.29%) Ethereum
17 7 (0.29%) WordPress
Applications
1 55 (2.26%) Microsoft Office
2 36 (1.48%) Microsoft Excel
3 18 (0.74%) MS Visio
4 6 (0.25%) Microsoft PowerPoint
5 5 (0.21%) Spreadsheet
6 4 (0.16%) OrCAD
6 4 (0.16%) Stata
7 2 (0.082%) Adobe Illustrator
7 2 (0.082%) Fireworks
7 2 (0.082%) Gephi
7 2 (0.082%) Inkscape
7 2 (0.082%) Photoshop
Business Applications
1 19 (0.78%) R3 Corda
2 8 (0.33%) Oracle Applications
3 5 (0.21%) Sentinel
3 5 (0.21%) Shopify
4 4 (0.16%) Dynamics NAV
4 4 (0.16%) Quorum
5 3 (0.12%) Distributed Ledger
5 3 (0.12%) Remedy ITSM
6 2 (0.082%) Oracle EBS
6 2 (0.082%) SAP Business One
6 2 (0.082%) Workfront
7 1 (0.041%) Oracle EBS R12
7 1 (0.041%) Relativity
7 1 (0.041%) Temenos T24
Cloud Services
1 942 (38.78%) AWS
2 525 (21.61%) Azure
3 292 (12.02%) GCP
4 136 (5.60%) AWS CloudFormation
5 112 (4.61%) GitHub
5 112 (4.61%) SaaS
6 103 (4.24%) Serverless
7 91 (3.75%) Microsoft 365
8 88 (3.62%) IaaS
9 79 (3.25%) Amazon ECS
10 78 (3.21%) PaaS
11 72 (2.96%) AWS Lambda
12 69 (2.84%) Amazon EC2
13 66 (2.72%) Amazon S3
14 58 (2.39%) Amazon EKS
15 47 (1.93%) Amazon CloudWatch
16 45 (1.85%) Azure Active Directory
17 41 (1.69%) Datadog
18 40 (1.65%) Route 53
19 38 (1.56%) OpenShift
Communications & Networking
1 254 (10.46%) Firewall
2 151 (6.22%) TCP/IP
3 115 (4.73%) DNS
4 95 (3.91%) VPN
5 85 (3.50%) WAN
6 79 (3.25%) HTTP
7 73 (3.01%) LAN
8 70 (2.88%) Network Security
9 69 (2.84%) BGP
10 63 (2.59%) DHCP
11 52 (2.14%) Internet
11 52 (2.14%) SAN
11 52 (2.14%) SSH
12 50 (2.06%) OSPF
13 47 (1.93%) SNMP
14 44 (1.81%) Wireless
15 34 (1.40%) IPsec
15 34 (1.40%) Wi-Fi
16 33 (1.36%) MPLS
17 32 (1.32%) VoIP
Database & Business Intelligence
1 214 (8.81%) PostgreSQL
2 182 (7.49%) MySQL
3 164 (6.75%) SQL Server
4 127 (5.23%) Big Data
5 107 (4.41%) NoSQL
6 104 (4.28%) Relational Database
7 102 (4.20%) MongoDB
8 75 (3.09%) Redis
9 71 (2.92%) Blockchain
10 67 (2.76%) Amazon RDS
11 50 (2.06%) Apache Cassandra
11 50 (2.06%) Data Warehouse
12 47 (1.93%) SQL Server Integration Services
13 45 (1.85%) Hadoop
13 45 (1.85%) MariaDB
13 45 (1.85%) SQL Server Reporting Services
14 40 (1.65%) Oracle Database
15 34 (1.40%) RDBMS
16 29 (1.19%) Amazon DynamoDB
17 20 (0.82%) Oracle Database 12c
Development Applications
1 482 (19.84%) Jenkins
2 346 (14.24%) Git (software)
3 238 (9.80%) JIRA
4 180 (7.41%) GitLab
5 78 (3.21%) Atlassian Bamboo
6 66 (2.72%) Selenium
7 64 (2.63%) TeamCity
8 52 (2.14%) Bitbucket
9 51 (2.10%) Maven
10 50 (2.06%) JMeter
11 38 (1.56%) LoadRunner
12 32 (1.32%) Artifactory
13 30 (1.24%) Subversion
14 28 (1.15%) Gradle
15 27 (1.11%) Travis CI
16 25 (1.03%) Cucumber
17 22 (0.91%) JUnit
18 21 (0.86%) Octopus Deploy
18 21 (0.86%) Sonatype Nexus
19 19 (0.78%) TestRail
General
1 677 (27.87%) Finance
2 190 (7.82%) Banking
3 104 (4.28%) Games
4 102 (4.20%) Back Office
5 88 (3.62%) Telecoms
6 84 (3.46%) Front Office
7 73 (3.01%) Public Sector
8 65 (2.68%) Marketing
9 62 (2.55%) Electronics
10 56 (2.31%) Retail
11 46 (1.89%) Investment Banking
12 44 (1.81%) Manufacturing
13 35 (1.44%) Legal
14 31 (1.28%) Financial Institution
15 28 (1.15%) Advertising
16 21 (0.86%) Law
17 10 (0.41%) Publishing
18 8 (0.33%) Automotive
19 7 (0.29%) International Banking
20 5 (0.21%) Billing
Job Titles
1 569 (23.43%) DevOps Engineer
2 512 (21.08%) Developer
3 206 (8.48%) AWS Engineer
4 175 (7.20%) Linux Engineer
5 160 (6.59%) Senior DevOps
6 159 (6.55%) AWS DevOps
7 146 (6.01%) Senior DevOps Engineer
8 145 (5.97%) AWS DevOps Engineer
9 122 (5.02%) Cloud Engineer
9 122 (5.02%) Senior Developer
10 119 (4.90%) Java Developer
11 112 (4.61%) Software Engineer
12 105 (4.32%) Analyst
13 104 (4.28%) Administrator
14 98 (4.03%) Infrastructure Engineer
15 96 (3.95%) Python Developer
16 89 (3.66%) Applications Support
17 86 (3.54%) Systems Engineer
18 80 (3.29%) Linux/Unix DevOps
19 79 (3.25%) Kubernetes Engineer
Libraries, Frameworks & Software Standards
1 174 (7.16%) .NET
2 144 (5.93%) Node.js
3 132 (5.43%) Kafka
4 123 (5.06%) Web Services
5 122 (5.02%) HTML
6 115 (4.73%) Spring
7 107 (4.41%) React
8 92 (3.79%) CSS
9 87 (3.58%) REST
10 83 (3.42%) Elastic Stack
11 80 (3.29%) FIX Protocol
12 74 (3.05%) .NET Core
13 73 (3.01%) XML
14 72 (2.96%) AngularJS
15 67 (2.76%) RESTful
16 54 (2.22%) Spring Boot
17 51 (2.10%) Django
18 50 (2.06%) LAMP
19 46 (1.89%) JSON
20 41 (1.69%) HTML5
Miscellaneous
1 189 (7.78%) Analytical Skills
2 125 (5.15%) Data Centre
3 109 (4.49%) Hedge funds
4 101 (4.16%) Linux Command Line
5 90 (3.71%) Algorithms
5 90 (3.71%) Equities
6 81 (3.33%) Data Structures
7 77 (3.17%) Public Cloud
8 76 (3.13%) Cloud Native
9 74 (3.05%) Fixed Income
10 71 (2.92%) Management Information System
11 70 (2.88%) Greenfield Project
12 66 (2.72%) Self-Motivation
13 62 (2.55%) Replication
14 59 (2.43%) Foreign Exchange (FX)
15 58 (2.39%) Clustering
16 53 (2.18%) Derivative
17 43 (1.77%) Virtual Team
18 39 (1.61%) PKI
19 36 (1.48%) Enterprise Software
Operating Systems
1 684 (28.16%) Windows
2 449 (18.48%) Unix
3 182 (7.49%) Red Hat Enterprise Linux
4 160 (6.59%) CentOS
5 151 (6.22%) Windows Server
6 124 (5.10%) Ubuntu
7 56 (2.31%) Debian
8 43 (1.77%) Mac OS
9 42 (1.73%) Android
10 34 (1.40%) Mac OS X
11 28 (1.15%) Oracle Linux
11 28 (1.15%) Solaris
12 27 (1.11%) Windows 10
13 25 (1.03%) VMS
14 24 (0.99%) Apple iOS
15 22 (0.91%) Windows Server 2016
16 16 (0.66%) Windows 7
17 15 (0.62%) Windows Server 2008
18 13 (0.54%) zOS
19 12 (0.49%) Fedora
Processes & Methodologies
1 956 (39.36%) DevOps
2 605 (24.91%) Agile Software Development
3 354 (14.57%) Software Engineering
4 321 (13.22%) Infrastructure as Code
5 270 (11.12%) Fintech
6 243 (10.00%) TDD
7 229 (9.43%) Problem-Solving
7 229 (9.43%) Test Automation
8 223 (9.18%) Continuous Integration
9 221 (9.10%) Configuration Management
10 204 (8.40%) Computer Science
11 191 (7.86%) Microservices
12 175 (7.20%) Open Source
13 161 (6.63%) Analytics
14 157 (6.46%) Infrastructure Engineering
15 137 (5.64%) Continuous Delivery
16 134 (5.52%) Scrum
17 133 (5.48%) Site Reliability Engineering
18 129 (5.31%) Low Latency
19 128 (5.27%) Cybersecurity
Programming Languages
1 1,037 (42.69%) Python
2 547 (22.52%) Java
3 464 (19.10%) SQL
4 395 (16.26%) Bash Shell
5 283 (11.65%) JavaScript
6 256 (10.54%) C++
7 196 (8.07%) PowerShell
8 188 (7.74%) C#
9 180 (7.41%) Go
10 145 (5.97%) Shell Script
11 132 (5.43%) Perl
12 121 (4.98%) Ruby
13 119 (4.90%) PHP
14 113 (4.65%) C
15 58 (2.39%) TypeScript
16 57 (2.35%) Groovy
17 52 (2.14%) Scala
18 46 (1.89%) Java 8
19 37 (1.52%) PL/SQL
20 33 (1.36%) Rust
Qualifications
1 252 (10.37%) Degree
2 171 (7.04%) Security Cleared
3 135 (5.56%) SC Cleared
4 107 (4.41%) Computer Science Degree
5 100 (4.12%) Cisco Certification
6 50 (2.06%) CCNA
7 43 (1.77%) CCNP
8 36 (1.48%) DV Cleared
9 33 (1.36%) Microsoft Certification
10 29 (1.19%) AWS Certification
10 29 (1.19%) CISSP
11 21 (0.86%) CCIE
11 21 (0.86%) OSCE
12 20 (0.82%) Master's Degree
13 19 (0.78%) ITIL Foundation Certificate
14 18 (0.74%) CISM
15 16 (0.66%) MCSE
15 16 (0.66%) RHCE
15 16 (0.66%) RHCSA
16 15 (0.62%) SANS
Quality Assurance & Compliance
1 123 (5.06%) QA
2 37 (1.52%) ISO/IEC 27001
3 33 (1.36%) SLA
4 29 (1.19%) PCI DSS
5 27 (1.11%) GDPR
6 25 (1.03%) NIST
7 10 (0.41%) COBIT
8 9 (0.37%) Cyber Essentials
8 9 (0.37%) Cyber Essentials PLUS
9 5 (0.21%) Dodd-Frank
9 5 (0.21%) EMIR
9 5 (0.21%) Government Security Classifications
9 5 (0.21%) MiFID
9 5 (0.21%) NCSC
10 3 (0.12%) ISO/IEC 20000
11 2 (0.082%) GLBA
11 2 (0.082%) NIST 800
12 1 (0.041%) Data Quality
12 1 (0.041%) ISO/IEC 17025
12 1 (0.041%) PSD2
System Software
1 742 (30.55%) Docker
2 184 (7.58%) Active Directory
3 161 (6.63%) VMware Infrastructure
4 61 (2.51%) Hyper-V
5 49 (2.02%) Virtual Machines
6 30 (1.24%) vSphere
7 24 (0.99%) VMware ESXi
8 23 (0.95%) KVM
9 17 (0.70%) Firmware
10 16 (0.66%) Oracle RAC
11 15 (0.62%) Xen
12 14 (0.58%) Kamailio
13 10 (0.41%) NFS
14 9 (0.37%) Postfix
15 8 (0.33%) LXC
15 8 (0.33%) OpenSIPS
15 8 (0.33%) XenApp
16 7 (0.29%) Apache ZooKeeper
17 6 (0.25%) HDFS
17 6 (0.25%) QEMU
Systems Management
1 644 (26.51%) Kubernetes
2 616 (25.36%) Terraform
3 565 (23.26%) Ansible
4 396 (16.30%) Puppet
5 178 (7.33%) Opscode Chef
6 90 (3.71%) Prometheus
7 79 (3.25%) Grafana
8 60 (2.47%) Nagios
9 35 (1.44%) ZABBIX
10 31 (1.28%) Salt
11 27 (1.11%) Kibana
12 24 (0.99%) HAProxy
13 22 (0.91%) Consul
13 22 (0.91%) Istio
14 21 (0.86%) Graphite
14 21 (0.86%) SCCM
15 19 (0.78%) SCOM
16 17 (0.70%) HP Quality Center
16 17 (0.70%) Packer
17 16 (0.66%) Failover Clustering
Vendors
1 303 (12.47%) Microsoft
2 235 (9.67%) VMware
3 192 (7.90%) Red Hat
4 185 (7.62%) Oracle
5 180 (7.41%) Google
6 130 (5.35%) Cisco
7 68 (2.80%) Splunk
8 59 (2.43%) SAP
9 57 (2.35%) HP
10 47 (1.93%) Atlassian
11 36 (1.48%) IBM
12 35 (1.44%) Sybase
13 34 (1.40%) Bloomberg
13 34 (1.40%) Juniper
14 32 (1.32%) Palo Alto
15 29 (1.19%) Citrix
16 23 (0.95%) EMC
16 23 (0.95%) Fidessa
17 22 (0.91%) Veeam
18 21 (0.86%) ION Trading