Period
to 27 June 2019

The following table provides summary statistics for contract job vacancies advertised in Central 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 27 June 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
London > Central London
6 months to
27 Jun 2019
Same period 2018 Same period 2017
Rank 19 21 13
Rank change year-on-year +2 -8 -1
Contract jobs citing Linux 686 706 711
As % of all contract IT jobs advertised in Central London 8.12% 7.72% 9.58%
As % of the Operating Systems category 40.88% 38.06% 44.49%
Number of daily rates quoted 523 573 576
Central London median daily rate £550 £525 £521
Median daily rate % change year-on-year +4.76% +0.72% +9.74%
10th Percentile £400 £376 £350
90th Percentile £679 £675 £638
London median daily rate £550 £525 £500
% change year-on-year +4.76% +5.00% +5.26%
Number of hourly rates quoted 6 5 0
Central London median hourly rate £37.50 £32.00 -
Median hourly rate % change year-on-year +17.19% - -
London median hourly rate £42.50 £42.50 £40.00
% change year-on-year - +6.25% +3.23%

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 Central London with a requirement for operating system skills.

All Operating Systems
Central London
Contract vacancies with a requirement for operating system skills 1,678 1,855 1,598
As % of all contract IT jobs advertised in Central London 19.85% 20.28% 21.53%
Number of daily rates quoted 1,262 1,415 1,245
Central London median daily rate £478 £500 £468
Median daily rate % change year-on-year -4.50% +6.95% +3.89%
10th Percentile £180 £193 £250
90th Percentile £650 £644 £638
London median daily rate £485 £485 £463
% change year-on-year - +4.86% +2.78%
Number of hourly rates quoted 40 72 33
Central London median hourly rate £21.00 £20.00 £18.69
Median hourly rate % change year-on-year +5.00% +7.01% -1.63%
10th Percentile £16.92 £13.10 £12.88
90th Percentile £37.88 £25.00 £139.75
London median hourly rate £21.00 £19.37 £21.45
% change year-on-year +8.43% -9.71% +22.57%

Linux
Job Vacancy Trend in Central London

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

Job vacancy trend for Linux in Central London

Linux
Contractor Daily Rate Trend in Central London

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

Contractor daily rate trend for Linux in Central London

Linux
Contractor Daily Rate Histogram in Central London

The daily rate distribution of IT jobs citing Linux in Central London over the 6 months to 27 June 2019.

Contractor daily rate histogram for Linux in Central London

Linux
Contractor Hourly Rate Trend in Central London

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

Contractor hourly rate trend for Linux in Central London

Linux
Contract Job Locations in Central 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 Central London region over the 6 months to 27 June 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
City of London +1 497 £550 +4.76% 110
City of Westminster +9 62 £550 -4.35% 2
West End of London +9 33 £500 -2.44% 1
Southwark -21 17 £575 +12.75%
Camden +3 6 £500 -13.04%
Kensington and Chelsea - 1 £300 -
Linux
London

For the 6 months to 27 June 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 Central London region with a requirement for Linux.

1 259 (37.76%) DevOps
2 255 (37.17%) Amazon AWS
3 237 (34.55%) Java
4 231 (33.67%) Agile Software Development
5 230 (33.53%) Python
6 216 (31.49%) Docker
7 181 (26.38%) Finance
8 178 (25.95%) Unix
9 177 (25.80%) Windows
10 164 (23.91%) Kubernetes
11 140 (20.41%) Git (software)
12 137 (19.97%) Microsoft Azure
13 136 (19.83%) Ansible
14 132 (19.24%) JavaScript
15 128 (18.66%) SQL
16 122 (17.78%) Microservices
17 119 (17.35%) TDD
18 118 (17.20%) Jenkins
19 108 (15.74%) Terraform
20 104 (15.16%) Continuous Integration
21 103 (15.01%) Bash Shell
22 100 (14.58%) HTML
23 91 (13.27%) Test Automation
24 87 (12.68%) Puppet
25 86 (12.54%) Configuration Management
26 81 (11.81%) MySQL
26 81 (11.81%) Red Hat Enterprise Linux
27 80 (11.66%) REST
28 79 (11.52%) JIRA
29 78 (11.37%) MongoDB

Linux
Co-occurring IT Skills in Central 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 62 (9.04%) Apache
2 52 (7.58%) Confluence
3 42 (6.12%) Elasticsearch
4 40 (5.83%) Apache Spark
5 21 (3.06%) nginx
6 17 (2.48%) Tomcat
7 14 (2.04%) MS Exchange
8 13 (1.90%) IIS
9 12 (1.75%) JBoss
9 12 (1.75%) SharePoint
10 8 (1.17%) Adobe Experience Manager
10 8 (1.17%) CMS
11 7 (1.02%) Apache Solr
12 6 (0.87%) IPython
12 6 (0.87%) SAS
12 6 (0.87%) Skype for Business
12 6 (0.87%) WebSphere
13 5 (0.73%) ArcGIS
13 5 (0.73%) GeoServer
13 5 (0.73%) Jetty
Applications
1 4 (0.58%) Microsoft Office
1 4 (0.58%) MS Visio
1 4 (0.58%) Spreadsheet
2 3 (0.44%) Microsoft Excel
3 2 (0.29%) Microsoft PowerPoint
4 1 (0.15%) Adobe After Effects
4 1 (0.15%) Adobe Premiere
4 1 (0.15%) HipChat
4 1 (0.15%) Maya
4 1 (0.15%) S-PLUS
Business Applications
1 4 (0.58%) Salesforce.com CRM
2 2 (0.29%) Oracle EBS
3 1 (0.15%) BusinessWorks
3 1 (0.15%) Magento
3 1 (0.15%) Remedy ITSM
3 1 (0.15%) RMDS
3 1 (0.15%) SAP BPC
Cloud Services
1 255 (37.17%) Amazon AWS
2 137 (19.97%) Microsoft Azure
3 46 (6.71%) Google Cloud Platform
4 43 (6.27%) GitHub
5 41 (5.98%) Amazon EC2
6 38 (5.54%) Amazon S3
7 37 (5.39%) Serverless
8 35 (5.10%) AWS CloudFormation
9 34 (4.96%) AWS Lambda
10 33 (4.81%) Virtual Private Cloud
11 29 (4.23%) Amazon ECS
12 24 (3.50%) Amazon CloudWatch
12 24 (3.50%) Office 365
13 20 (2.92%) PaaS
13 20 (2.92%) SaaS
14 18 (2.62%) Amazon SQS
15 15 (2.19%) IaaS
15 15 (2.19%) Route 53
16 14 (2.04%) Datadog
17 12 (1.75%) OpenShift
Communications & Networking
1 70 (10.20%) TCP/IP
2 57 (8.31%) HTTP
3 53 (7.73%) DNS
4 42 (6.12%) Firewall
5 39 (5.69%) SSL
6 35 (5.10%) SAN
7 33 (4.81%) FTP
8 27 (3.94%) DHCP
9 22 (3.21%) IPsec
10 18 (2.62%) VPN
11 15 (2.19%) BGP
12 14 (2.04%) WAN
13 13 (1.90%) LAN
13 13 (1.90%) Multicast
14 12 (1.75%) OSPF
15 9 (1.31%) Intrusion Detection
15 9 (1.31%) Network Security
16 8 (1.17%) NAS
16 8 (1.17%) Wireless
17 7 (1.02%) F5 BIG-IP LTM
Database & Business Intelligence
1 81 (11.81%) MySQL
2 78 (11.37%) MongoDB
3 61 (8.89%) PostgreSQL
4 58 (8.45%) NoSQL
5 55 (8.02%) Relational Database
6 50 (7.29%) SQL Server
7 41 (5.98%) Hadoop
8 36 (5.25%) Big Data
9 28 (4.08%) Amazon RDS
10 20 (2.92%) RDBMS
11 17 (2.48%) Oracle Database
12 15 (2.19%) Apache Hive
12 15 (2.19%) Data Warehouse
13 14 (2.04%) Amazon DynamoDB
14 13 (1.90%) Neo4j
15 12 (1.75%) HBase
16 11 (1.60%) Apache Cassandra
17 8 (1.17%) Redis
17 8 (1.17%) SQL Server 2012
17 8 (1.17%) Sqoop
Development Applications
1 140 (20.41%) Git (software)
2 118 (17.20%) Jenkins
3 79 (11.52%) JIRA
4 34 (4.96%) Subversion
5 31 (4.52%) Maven
6 30 (4.37%) gulp
7 28 (4.08%) Mockito
8 27 (3.94%) Travis CI
9 22 (3.21%) GitLab
10 21 (3.06%) TeamCity
11 18 (2.62%) Sonatype Nexus
12 17 (2.48%) Cucumber
13 15 (2.19%) Grunt
14 14 (2.04%) Gradle
14 14 (2.04%) JUnit
15 12 (1.75%) Gatling
16 11 (1.60%) CircleCI
16 11 (1.60%) Geb
16 11 (1.60%) Spock
16 11 (1.60%) Visual Studio Team System
General
1 181 (26.38%) Finance
2 70 (10.20%) Banking
3 20 (2.92%) Front Office
4 19 (2.77%) Investment Banking
5 16 (2.33%) Retail
6 12 (1.75%) Law
7 11 (1.60%) Marketing
8 8 (1.17%) Publishing
9 6 (0.87%) Financial Institution
10 5 (0.73%) Games
11 4 (0.58%) French Language
12 3 (0.44%) Pharmaceutical
13 2 (0.29%) Advertising
13 2 (0.29%) Electronics
13 2 (0.29%) Manufacturing
13 2 (0.29%) Telecoms
14 1 (0.15%) Automotive
14 1 (0.15%) Back Office
14 1 (0.15%) Billing
14 1 (0.15%) German Language
Job Titles
1 206 (30.03%) Developer
2 154 (22.45%) DevOps Engineer
3 76 (11.08%) Java Developer
4 68 (9.91%) AWS Engineer
5 63 (9.18%) AWS DevOps
6 57 (8.31%) Linux Engineer
7 56 (8.16%) AWS DevOps Engineer
8 41 (5.98%) Architect
9 36 (5.25%) Linux/Unix DevOps
10 32 (4.66%) Linux DevOps Engineer
11 31 (4.52%) Administrator
12 29 (4.23%) Kubernetes Engineer
13 25 (3.64%) Analyst
13 25 (3.64%) Azure DevOps
13 25 (3.64%) Python Developer
14 24 (3.50%) Senior Developer
15 23 (3.35%) Azure DevOps Engineer
15 23 (3.35%) Azure Engineer
16 22 (3.21%) Platform Engineer
17 20 (2.92%) Full Stack Developer
Libraries, Frameworks & Software Standards
1 100 (14.58%) HTML
2 80 (11.66%) REST
3 75 (10.93%) CSS
3 75 (10.93%) Node.js
4 57 (8.31%) Kafka
5 54 (7.87%) Spring
6 48 (7.00%) JSON
6 48 (7.00%) SOAP
7 40 (5.83%) HTML5
8 39 (5.69%) Web Services
9 37 (5.39%) AngularJS
10 32 (4.66%) RESTful
11 26 (3.79%) Dropwizard
11 26 (3.79%) React
12 25 (3.64%) JAX-RS
12 25 (3.64%) XML
13 24 (3.50%) jQuery
14 22 (3.21%) OAuth
14 22 (3.21%) OAuth2
15 20 (2.92%) Sass
Miscellaneous
1 38 (5.54%) Data Structures
2 31 (4.52%) Analytical Skills
3 29 (4.23%) Greenfield Project
4 28 (4.08%) Data Centre
5 23 (3.35%) Linux Command Line
6 21 (3.06%) User Experience
7 19 (2.77%) Algorithms
8 15 (2.19%) Cloud Native
8 15 (2.19%) Hedge funds
8 15 (2.19%) Management Information System
9 13 (1.90%) PKI
10 12 (1.75%) Equities
11 11 (1.60%) Mobile App
12 10 (1.46%) Replication
13 9 (1.31%) Client/Server
14 7 (1.02%) Self-Motivation
14 7 (1.02%) Virtual Team
15 6 (0.87%) Derivative
15 6 (0.87%) Fixed Income
15 6 (0.87%) Public Cloud
Operating Systems
1 178 (25.95%) Unix
2 177 (25.80%) Windows
3 81 (11.81%) Red Hat Enterprise Linux
4 58 (8.45%) Windows Server
5 39 (5.69%) Mac OS X
6 23 (3.35%) Solaris
7 15 (2.19%) Ubuntu
8 13 (1.90%) CentOS
9 12 (1.75%) Windows 10
10 7 (1.02%) AIX
10 7 (1.02%) Android
10 7 (1.02%) Apple iOS
10 7 (1.02%) Windows Server 2012
11 6 (0.87%) Debian
11 6 (0.87%) SUSE
12 5 (0.73%) Windows 7
12 5 (0.73%) Windows Server 2008
13 4 (0.58%) Mac OS
13 4 (0.58%) VMS
14 3 (0.44%) openSUSE
Processes & Methodologies
1 259 (37.76%) DevOps
2 231 (33.67%) Agile Software Development
3 122 (17.78%) Microservices
4 119 (17.35%) TDD
5 104 (15.16%) Continuous Integration
6 91 (13.27%) Test Automation
7 86 (12.54%) Configuration Management
8 77 (11.22%) Migration
9 70 (10.20%) Scrum
10 67 (9.77%) BDD
11 61 (8.89%) Open Source
12 60 (8.75%) Web Development
13 54 (7.87%) OO
14 50 (7.29%) Continuous Deployment
14 50 (7.29%) Infrastructure as Code
15 49 (7.14%) Problem-Solving
16 42 (6.12%) Analytics
17 40 (5.83%) E-Commerce
18 38 (5.54%) Kanban
19 34 (4.96%) Continuous Delivery
Programming Languages
1 237 (34.55%) Java
2 230 (33.53%) Python
3 132 (19.24%) JavaScript
4 128 (18.66%) SQL
5 103 (15.01%) Bash Shell
6 66 (9.62%) Ruby
7 61 (8.89%) PowerShell
8 56 (8.16%) Java 8
9 52 (7.58%) Perl
10 42 (6.12%) Shell Script
11 34 (4.96%) PHP
12 28 (4.08%) Scala
13 27 (3.94%) Go
14 24 (3.50%) C++
15 23 (3.35%) TypeScript
16 17 (2.48%) ES6
17 14 (2.04%) C#
18 13 (1.90%) Groovy
19 11 (1.60%) PL/SQL
20 9 (1.31%) Korn
Qualifications
1 40 (5.83%) Security Cleared
2 33 (4.81%) SC Cleared
3 26 (3.79%) Degree
4 15 (2.19%) Cisco Certification
5 12 (1.75%) AWS Certification
6 10 (1.46%) Microsoft Certification
7 9 (1.31%) CCIE
7 9 (1.31%) RHCE
8 8 (1.17%) CISSP
9 7 (1.02%) Computer Science Degree
9 7 (1.02%) MCSE
10 5 (0.73%) MCSA
11 4 (0.58%) CCNP
11 4 (0.58%) CEH
11 4 (0.58%) CTC Cleared
11 4 (0.58%) DV Cleared
12 3 (0.44%) (ISC)2 CCSP
12 3 (0.44%) CHECK Team Member
12 3 (0.44%) CHFI
12 3 (0.44%) CISA
Quality Assurance & Compliance
1 16 (2.33%) QA
2 15 (2.19%) Data Quality
3 7 (1.02%) ISO/IEC 27001
4 6 (0.87%) GDPR
4 6 (0.87%) SLA
5 5 (0.73%) WCAG
6 3 (0.44%) COBIT
6 3 (0.44%) NIST
7 1 (0.15%) PCI DSS
System Software
1 216 (31.49%) Docker
2 37 (5.39%) Active Directory
3 31 (4.52%) VMware Infrastructure
4 20 (2.92%) Virtual Machines
5 19 (2.77%) VMware ESXi
6 10 (1.46%) HDFS
7 9 (1.31%) KVM
8 8 (1.17%) Hyper-V
8 8 (1.17%) Shibboleth
9 7 (1.02%) Oracle RAC
10 6 (0.87%) VMware NSX
11 5 (0.73%) Varnish
11 5 (0.73%) Veritas Volume Manager
11 5 (0.73%) Xen
12 4 (0.58%) etcd
12 4 (0.58%) RHEV
12 4 (0.58%) Samba
13 3 (0.44%) Veritas Cluster Server
13 3 (0.44%) Veritas File System
13 3 (0.44%) Virtual Servers
Systems Management
1 164 (23.91%) Kubernetes
2 136 (19.83%) Ansible
3 108 (15.74%) Terraform
4 87 (12.68%) Puppet
5 63 (9.18%) Opscode Chef
6 17 (2.48%) Docker Swarm
7 13 (1.90%) Consul
8 12 (1.75%) Grafana
8 12 (1.75%) Hadoop YARN
9 11 (1.60%) Kibana
10 10 (1.46%) SCCM
11 9 (1.31%) Packer
12 8 (1.17%) logstash
13 7 (1.02%) Graphite
13 7 (1.02%) Single Sign-On
14 6 (0.87%) Mesos
14 6 (0.87%) Nessus
14 6 (0.87%) WSUS
15 5 (0.73%) Salt
15 5 (0.73%) Tivoli
Vendors
1 70 (10.20%) Oracle
2 62 (9.04%) VMware
3 52 (7.58%) Red Hat
4 51 (7.43%) Microsoft
5 36 (5.25%) Google
6 32 (4.66%) Splunk
7 25 (3.64%) Cisco
8 23 (3.35%) Atlassian
9 15 (2.19%) F5
9 15 (2.19%) IBM
10 13 (1.90%) Adobe
10 13 (1.90%) HP
11 11 (1.60%) EMC
11 11 (1.60%) Fortinet
11 11 (1.60%) Salesforce.com
11 11 (1.60%) Sybase
12 10 (1.46%) Dell
12 10 (1.46%) Palo Alto
13 9 (1.31%) Arista
13 9 (1.31%) Cloudera