Period
to 5 December 2019

The following table provides summary statistics for contract job vacancies advertised in London with a requirement for Linux skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Linux over the 6 months to 5 December 2019 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Linux
England > London
6 months to
5 Dec 2019
Same period 2018 Same period 2017
Rank 25 18 11
Rank change year-on-year -7 -7 -1
Contract jobs citing Linux 2,343 3,835 4,481
As % of all contract IT jobs advertised in London 6.71% 8.21% 9.44%
As % of the Operating Systems category 38.01% 41.30% 45.41%
Number of daily rates quoted 1,574 2,730 3,170
London median daily rate £525 £525 £520
Median daily rate % change year-on-year - +0.96% +6.67%
10th Percentile £338 £375 £363
90th Percentile £700 £688 £675
England median daily rate £500 £500 £475
% change year-on-year - +5.26% +5.56%
Number of hourly rates quoted 27 30 42
London median hourly rate £44.02 £35.00 £37.50
Median hourly rate % change year-on-year +25.77% -6.67% -6.25%
10th Percentile £25.25 £15.68 £21.25
90th Percentile £56.00 £54.71 £57.50
England median hourly rate £45.00 £43.50 £41.08
% change year-on-year +3.45% +5.90% +2.69%

Linux is in the Operating Systems category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for operating system skills.

All Operating Systems
London
Contract vacancies with a requirement for operating system skills 6,164 9,286 9,867
As % of all contract IT jobs advertised in London 17.66% 19.88% 20.79%
Number of daily rates quoted 4,263 6,516 7,019
London median daily rate £450 £488 £475
Median daily rate % change year-on-year -7.69% +2.63% +5.56%
10th Percentile £160 £190 £200
90th Percentile £650 £650 £638
England median daily rate £420 £425 £425
% change year-on-year -1.18% - +3.53%
Number of hourly rates quoted 201 279 268
London median hourly rate £21.00 £18.70 £19.00
Median hourly rate % change year-on-year +12.30% -1.58% +2.98%
10th Percentile £13.88 £12.50 £12.00
90th Percentile £55.00 £46.90 £47.83
England median hourly rate £17.50 £17.50 £17.50

Linux
Job Vacancy Trend in London

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

Job vacancy trend for Linux in London

Linux
Contractor Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Linux in London.

Contractor daily rate trend for Linux in London

Linux
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Linux in London over the 6 months to 5 December 2019.

Contractor daily rate histogram for Linux in London

Linux
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Linux in London.

Contractor hourly rate trend for Linux in London

Linux
Contractor Hourly Rate Histogram in London

The hourly rate distribution of IT jobs citing Linux in London over the 6 months to 5 December 2019.

Contractor hourly rate histogram for Linux in London

Linux
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Linux within the London region over the 6 months to 5 December 2019. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -5 470 £525 -4.55% 283
West London -1 112 £450 -7.69% 117
South London -13 85 £546 +9.20% 35
East London +28 71 £600 +9.09% 59
North London +1 13 £450 +5.88% 7
Linux
England

For the 6 months to 5 December 2019, IT contractor 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 contract job ads across the London region with a requirement for Linux.

1 902 (38.50%) Python
2 898 (38.33%) DevOps
3 738 (31.50%) Agile Software Development
4 715 (30.52%) AWS
5 652 (27.83%) Windows
6 604 (25.78%) Docker
7 601 (25.65%) Java
8 540 (23.05%) Unix
9 525 (22.41%) Git (software)
10 503 (21.47%) Jenkins
11 486 (20.74%) Ansible
12 473 (20.19%) Finance
13 463 (19.76%) Terraform
14 430 (18.35%) SQL
15 422 (18.01%) Azure
16 404 (17.24%) Kubernetes
17 398 (16.99%) Bash Shell
18 352 (15.02%) Continuous Integration
19 342 (14.60%) Security Cleared
19 342 (14.60%) Red Hat Enterprise Linux
20 327 (13.96%) JavaScript
20 327 (13.96%) Oracle
21 305 (13.02%) Puppet
22 291 (12.42%) Red Hat
23 278 (11.87%) Ruby
24 265 (11.31%) JIRA
25 252 (10.76%) Configuration Management
26 248 (10.58%) Microservices
27 246 (10.50%) MySQL
27 246 (10.50%) SC Cleared

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
1 137 (5.85%) Confluence
2 131 (5.59%) Elasticsearch
3 94 (4.01%) Apache
3 94 (4.01%) Apache Spark
4 67 (2.86%) Tomcat
5 65 (2.77%) OpenStack
6 48 (2.05%) nginx
7 43 (1.84%) IIS
8 40 (1.71%) WebLogic
9 35 (1.49%) JBoss
10 23 (0.98%) Oracle SOA Suite
11 21 (0.90%) WebSphere
12 20 (0.85%) MS Exchange
13 18 (0.77%) SharePoint
14 15 (0.64%) ArcGIS
14 15 (0.64%) GeoServer
15 13 (0.55%) CMS
15 13 (0.55%) SAS
16 12 (0.51%) Drupal
16 12 (0.51%) Jupyter
Applications
1 43 (1.84%) Microsoft Office
2 23 (0.98%) Microsoft Excel
3 11 (0.47%) MS Visio
4 7 (0.30%) Microsoft PowerPoint
5 4 (0.17%) Microsoft Project
5 4 (0.17%) Mozilla Thunderbird
5 4 (0.17%) Photoshop
6 1 (0.043%) Chatbot
6 1 (0.043%) Houdini
6 1 (0.043%) Maya
Business Applications
1 17 (0.73%) BusinessWorks
2 15 (0.64%) Sparx Enterprise Architect
3 10 (0.43%) FINCAD Analytics
4 9 (0.38%) Oracle Internet Expenses
4 9 (0.38%) Oracle Procure-to-Pay
5 8 (0.34%) Oracle AML
5 8 (0.34%) Oracle EBS
6 7 (0.30%) Oracle Cash Management
6 7 (0.30%) Oracle Subledger Accounting
7 6 (0.26%) Dynamics CRM
7 6 (0.26%) Oracle Assets
7 6 (0.26%) Oracle FAH
7 6 (0.26%) Oracle General Ledger
7 6 (0.26%) Oracle iProcurement
7 6 (0.26%) Oracle Payables
7 6 (0.26%) Oracle Receivables
8 4 (0.17%) Oracle Applications
8 4 (0.17%) Oracle BPM
9 3 (0.13%) Oracle EBS R12
9 3 (0.13%) Oracle Retail
Cloud Services
1 715 (30.52%) AWS
2 422 (18.01%) Azure
3 192 (8.19%) GCP
4 125 (5.34%) GitHub
5 113 (4.82%) AWS CloudFormation
6 106 (4.52%) Amazon EC2
7 104 (4.44%) Serverless
8 97 (4.14%) OpenShift
9 95 (4.05%) Amazon S3
10 90 (3.84%) AWS Lambda
11 71 (3.03%) Office 365
12 70 (2.99%) PaaS
13 67 (2.86%) IaaS
14 58 (2.48%) Datadog
15 57 (2.43%) Amazon CloudWatch
16 56 (2.39%) Amazon ECS
17 43 (1.84%) Virtual Private Cloud
18 41 (1.75%) Cloud Computing
19 40 (1.71%) Route 53
20 34 (1.45%) Amazon EKS
Communications & Networking
1 187 (7.98%) Firewall
2 127 (5.42%) TCP/IP
3 119 (5.08%) VPN
4 87 (3.71%) DNS
5 81 (3.46%) HTTP
6 51 (2.18%) Network Security
6 51 (2.18%) WAN
7 50 (2.13%) LAN
8 46 (1.96%) DHCP
8 46 (1.96%) Internet
8 46 (1.96%) SAN
9 39 (1.66%) Wi-Fi
10 36 (1.54%) FTP
11 34 (1.45%) Ethernet
12 32 (1.37%) Intrusion Detection
13 28 (1.20%) SSH
13 28 (1.20%) SSL
14 23 (0.98%) Wireless
14 23 (0.98%) Wireshark
15 21 (0.90%) NAS
Database & Business Intelligence
1 246 (10.50%) MySQL
2 170 (7.26%) PostgreSQL
3 169 (7.21%) SQL Server
4 163 (6.96%) MongoDB
5 134 (5.72%) Big Data
6 105 (4.48%) Hadoop
6 105 (4.48%) NoSQL
7 90 (3.84%) Amazon RDS
8 86 (3.67%) Oracle Database
8 86 (3.67%) Relational Database
9 46 (1.96%) Data Warehouse
10 39 (1.66%) Redis
11 36 (1.54%) Apache Cassandra
12 33 (1.41%) RDBMS
13 28 (1.20%) Amazon DynamoDB
13 28 (1.20%) Oracle Database 12c
14 27 (1.15%) Apache Hive
15 26 (1.11%) DB2
16 25 (1.07%) Blockchain
17 24 (1.02%) InfluxDB
Development Applications
1 525 (22.41%) Git (software)
2 503 (21.47%) Jenkins
3 265 (11.31%) JIRA
4 127 (5.42%) Maven
5 89 (3.80%) Sonatype Nexus
6 85 (3.63%) Subversion
7 82 (3.50%) GitLab
8 68 (2.90%) JUnit
9 63 (2.69%) TeamCity
10 57 (2.43%) Gradle
11 55 (2.35%) Selenium
12 52 (2.22%) Artifactory
13 48 (2.05%) Bitbucket
14 42 (1.79%) Atlassian Bamboo
15 40 (1.71%) Mockito
16 38 (1.62%) SonarQube
17 31 (1.32%) Ant
18 29 (1.24%) CircleCI
18 29 (1.24%) Team Foundation Server
19 27 (1.15%) Visual Studio Team System
General
1 473 (20.19%) Finance
2 192 (8.19%) Banking
3 85 (3.63%) Public Sector
4 58 (2.48%) Investment Banking
5 55 (2.35%) Front Office
6 39 (1.66%) Retail
7 35 (1.49%) Telecoms
8 28 (1.20%) Financial Institution
8 28 (1.20%) Marketing
9 18 (0.77%) Law
10 17 (0.73%) Electronics
10 17 (0.73%) Games
11 16 (0.68%) Pharmaceutical
12 14 (0.60%) Publishing
13 11 (0.47%) German Language
13 11 (0.47%) Manufacturing
14 10 (0.43%) Advertising
15 9 (0.38%) International Banking
16 7 (0.30%) Italian Language
17 6 (0.26%) Police
Job Titles
1 608 (25.95%) Developer
2 540 (23.05%) DevOps Engineer
3 177 (7.55%) AWS Engineer
4 141 (6.02%) AWS DevOps
5 140 (5.98%) Cloud Engineer
6 133 (5.68%) Java Developer
7 128 (5.46%) AWS DevOps Engineer
7 128 (5.46%) Linux Engineer
8 124 (5.29%) Analyst
9 112 (4.78%) Architect
10 97 (4.14%) Administrator
11 84 (3.59%) Senior Developer
12 82 (3.50%) Senior DevOps
13 76 (3.24%) Consultant
13 76 (3.24%) Senior DevOps Engineer
14 73 (3.12%) Linux/Unix DevOps
15 69 (2.94%) C++ Developer
16 64 (2.73%) Infrastructure Engineer
17 62 (2.65%) Kubernetes Engineer
18 59 (2.52%) Azure Engineer
Libraries, Frameworks & Software Standards
1 223 (9.52%) Web Services
2 194 (8.28%) REST
3 173 (7.38%) JSON
4 166 (7.08%) Kafka
5 156 (6.66%) Node.js
6 155 (6.62%) AngularJS
7 145 (6.19%) HTML
8 138 (5.89%) Spring
9 131 (5.59%) CSS
10 117 (4.99%) Elastic Stack
11 109 (4.65%) RESTful
12 103 (4.40%) XML
13 100 (4.27%) React
14 99 (4.23%) .NET
15 83 (3.54%) Spring Boot
16 61 (2.60%) SOAP
17 60 (2.56%) HTML5
18 59 (2.52%) RabbitMQ
19 46 (1.96%) Middleware
20 41 (1.75%) STL
Miscellaneous
1 126 (5.38%) Data Centre
2 119 (5.08%) Analytical Skills
3 102 (4.35%) Linux Command Line
4 63 (2.69%) Public Cloud
5 51 (2.18%) User Experience
6 48 (2.05%) Data Structures
6 48 (2.05%) Derivative
7 43 (1.84%) Algorithms
8 42 (1.79%) Greenfield Project
9 38 (1.62%) Management Information System
10 37 (1.58%) Equities
11 36 (1.54%) Self-Motivation
12 34 (1.45%) Hedge funds
13 33 (1.41%) Clustering
14 32 (1.37%) Enterprise Software
15 30 (1.28%) Cloud Native
15 30 (1.28%) PKI
16 26 (1.11%) Foreign Exchange (FX)
17 25 (1.07%) Fixed Income
18 24 (1.02%) Replication
Operating Systems
1 652 (27.83%) Windows
2 540 (23.05%) Unix
3 342 (14.60%) Red Hat Enterprise Linux
4 192 (8.19%) Windows Server
5 157 (6.70%) Ubuntu
6 130 (5.55%) CentOS
7 63 (2.69%) Solaris
8 58 (2.48%) Android
9 55 (2.35%) Mac OS X
10 51 (2.18%) Mac OS
11 46 (1.96%) Debian
12 44 (1.88%) Apple iOS
13 43 (1.84%) Windows Server 2012
14 41 (1.75%) Windows Server 2008
15 32 (1.37%) Embedded Linux
16 23 (0.98%) Windows 10
17 21 (0.90%) Windows Server 2003
18 20 (0.85%) AIX
19 19 (0.81%) CoreOS
20 16 (0.68%) Windows 7
Processes & Methodologies
1 898 (38.33%) DevOps
2 738 (31.50%) Agile Software Development
3 352 (15.02%) Continuous Integration
4 252 (10.76%) Configuration Management
5 248 (10.58%) Microservices
6 233 (9.94%) Scrum
7 220 (9.39%) Open Source
7 220 (9.39%) Test Automation
8 210 (8.96%) Migration
9 206 (8.79%) TDD
10 175 (7.47%) Problem-Solving
11 167 (7.13%) Infrastructure as Code
12 145 (6.19%) Software Engineering
13 144 (6.15%) ITIL
14 135 (5.76%) Kanban
15 116 (4.95%) Continuous Delivery
16 113 (4.82%) Computer Science
17 94 (4.01%) Infrastructure Engineering
18 87 (3.71%) Analytics
19 86 (3.67%) High Availability
Programming Languages
1 902 (38.50%) Python
2 601 (25.65%) Java
3 430 (18.35%) SQL
4 398 (16.99%) Bash Shell
5 327 (13.96%) JavaScript
6 278 (11.87%) Ruby
7 218 (9.30%) Shell Script
8 208 (8.88%) PowerShell
9 197 (8.41%) Perl
10 168 (7.17%) C++
11 120 (5.12%) Go
12 95 (4.05%) C#
12 95 (4.05%) PL/SQL
13 81 (3.46%) PHP
13 81 (3.46%) Scala
14 69 (2.94%) Java 8
15 68 (2.90%) C
16 63 (2.69%) Groovy
17 62 (2.65%) TypeScript
18 20 (0.85%) R
Qualifications
1 342 (14.60%) Security Cleared
2 246 (10.50%) SC Cleared
3 138 (5.89%) Degree
4 74 (3.16%) AWS Certification
5 60 (2.56%) DV Cleared
6 48 (2.05%) Cisco Certification
7 42 (1.79%) Computer Science Degree
8 35 (1.49%) CCNP
9 33 (1.41%) RHCE
10 32 (1.37%) Microsoft Certification
11 30 (1.28%) CISSP
12 26 (1.11%) CCNA
13 19 (0.81%) MCSE
14 13 (0.55%) JNCIP
15 11 (0.47%) CEH
15 11 (0.47%) CISM
16 10 (0.43%) BPSS Clearance
16 10 (0.43%) JNCIA
16 10 (0.43%) MCSA
16 10 (0.43%) OSCP
Quality Assurance & Compliance
1 88 (3.76%) QA
2 42 (1.79%) ISO/IEC 27001
2 42 (1.79%) NIST
3 35 (1.49%) PCI DSS
4 25 (1.07%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
5 21 (0.90%) SLA
6 16 (0.68%) COBIT
7 7 (0.30%) Data Quality
7 7 (0.30%) NCSC
7 7 (0.30%) Sarbanes-Oxley
8 5 (0.21%) Disclosure Scotland
9 4 (0.17%) HIPAA
9 4 (0.17%) PMO
10 3 (0.13%) GDPR
11 1 (0.043%) IEC 62304
11 1 (0.043%) ISO/IEC 20000
11 1 (0.043%) PSD2
System Software
1 604 (25.78%) Docker
2 151 (6.44%) Active Directory
3 137 (5.85%) VMware Infrastructure
4 56 (2.39%) Hyper-V
5 36 (1.54%) Virtual Machines
5 36 (1.54%) VMware ESXi
5 36 (1.54%) vSphere
6 18 (0.77%) KVM
7 17 (0.73%) VMware NSX
8 16 (0.68%) Oracle RAC
8 16 (0.68%) XenApp
9 14 (0.60%) HDFS
10 10 (0.43%) Apache ZooKeeper
11 9 (0.38%) vCloud
11 9 (0.38%) Xen
12 8 (0.34%) Firmware
13 7 (0.30%) Varnish
13 7 (0.30%) Veritas Cluster Server
13 7 (0.30%) VirtualBox
13 7 (0.30%) XenDesktop
Systems Management
1 486 (20.74%) Ansible
2 463 (19.76%) Terraform
3 404 (17.24%) Kubernetes
4 305 (13.02%) Puppet
5 224 (9.56%) Opscode Chef
6 68 (2.90%) Packer
7 67 (2.86%) Consul
8 40 (1.71%) logstash
8 40 (1.71%) Prometheus
9 39 (1.66%) Salt
10 37 (1.58%) Kibana
11 36 (1.54%) Grafana
12 30 (1.28%) Nessus
13 29 (1.24%) Docker Swarm
13 29 (1.24%) Nagios
14 25 (1.07%) SCCM
14 25 (1.07%) Suricata
15 24 (1.02%) ZABBIX
16 20 (0.85%) Host Intrusion Detection System
16 20 (0.85%) Network Intrusion Detection System
Vendors
1 327 (13.96%) Oracle
2 291 (12.42%) Red Hat
3 238 (10.16%) Microsoft
4 226 (9.65%) VMware
5 150 (6.40%) Splunk
6 126 (5.38%) Google
7 115 (4.91%) Cisco
8 63 (2.69%) IBM
9 60 (2.56%) SAP
10 57 (2.43%) Citrix
11 52 (2.22%) F5
12 50 (2.13%) HP
13 43 (1.84%) Qualys
14 38 (1.62%) Dell
15 36 (1.54%) NetApp
16 34 (1.45%) TIBCO
17 33 (1.41%) Atlassian
18 31 (1.32%) Informatica
19 30 (1.28%) Sybase
20 29 (1.24%) ServiceNow