Period
to 18 November 2017

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 18 November 2017 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
18 Nov 2017
Same period 2016 Same period 2015
Rank 11 10 14
Rank change year-on-year -1 +4 0
Contract jobs citing Linux 4475 4583 4119
As % of all contract IT jobs advertised in London 9.61% 10.13% 8.73%
As % of the Operating Systems category 46.01% 48.67% 40.78%
Number of daily rates quoted 3183 3270 2944
London median daily rate £515 £475 £470
Median daily rate % change year-on-year +8.42% +1.06% +4.44%
10th Percentile £363 £350 £313
90th Percentile £663 £625 £650
England median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% +5.43%
Number of hourly rates quoted 45 41 64
London median hourly rate £37.50 £40.00 £37.50
Median hourly rate % change year-on-year -6.25% +6.67% +10.29%
10th Percentile £21.25 £23.50 £17.20
90th Percentile £55.50 £50.00 £52.17
England median hourly rate £41.00 £40.00 £37.50
% change year-on-year +2.50% +6.67% +10.29%

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 9727 9417 10101
As % of all contract IT jobs advertised in London 20.90% 20.82% 21.42%
Number of daily rates quoted 6902 6528 6886
London median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.56% +5.88% +6.25%
10th Percentile £200 £231 £205
90th Percentile £638 £600 £600
England median daily rate £425 £410 £400
% change year-on-year +3.66% +2.50% +6.67%
Number of hourly rates quoted 279 210 314
London median hourly rate £19.00 £18.00 £17.43
Median hourly rate % change year-on-year +5.56% +3.30% +8.91%
10th Percentile £12.00 £11.25 £11.25
90th Percentile £47.83 £48.46 £43.53
England median hourly rate £17.50 £16.50 £16.50
% change year-on-year +6.06% - +6.45%

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 18 November 2017.

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 18 November 2017.

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 18 November 2017. 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 -4 725 £525 +5.00% 169
South London 0 238 £525 +12.60% 7
West London -2 218 £488 +8.33% 37
East London +1 116 £515 +3.00% 20
North London -3 15 £444 +36.54% 3
Linux
England

For the 6 months to 18 November 2017, IT contractor jobs citing Linux also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the London region with a requirement for Linux.

1 1622 (36.25%) Java
2 1584 (35.40%) Python
3 1522 (34.01%) DevOps
4 1481 (33.09%) Unix
5 1279 (28.58%) Agile Software Development
6 1244 (27.80%) Amazon AWS
7 1088 (24.31%) Windows
8 1006 (22.48%) Finance
9 949 (21.21%) Jenkins
10 946 (21.14%) SQL
11 916 (20.47%) Ansible
12 893 (19.96%) Docker
13 849 (18.97%) Puppet
14 802 (17.92%) Git (software)
15 698 (15.60%) Continuous Integration
16 673 (15.04%) Bash Shell
17 671 (14.99%) Banking
18 604 (13.50%) Red Hat Enterprise Linux
19 594 (13.27%) Configuration Management
20 535 (11.96%) Oracle
21 534 (11.93%) JavaScript
22 517 (11.55%) Red Hat
23 502 (11.22%) Security Cleared
24 500 (11.17%) Terraform
25 498 (11.13%) VMware
26 481 (10.75%) Kubernetes
27 470 (10.50%) C++
27 470 (10.50%) Ruby
28 453 (10.12%) Web Services
29 434 (9.70%) MySQL

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
1 338 (7.55%) Apache
2 266 (5.94%) Tomcat
3 233 (5.21%) Confluence
4 219 (4.89%) Elasticsearch
5 171 (3.82%) Apache Spark
6 166 (3.71%) nginx
7 151 (3.37%) OpenStack
8 98 (2.19%) IIS
9 83 (1.85%) JBoss
10 69 (1.54%) WebSphere
11 55 (1.23%) WebLogic
12 46 (1.03%) CMS
13 43 (0.96%) Apache Solr
14 38 (0.85%) Cloud Foundry
15 35 (0.78%) Adobe Experience Manager
16 33 (0.74%) SAS
17 30 (0.67%) MS Exchange
18 29 (0.65%) MQSeries
19 28 (0.63%) SharePoint
20 27 (0.60%) Jetty
Applications
1 39 (0.87%) Microsoft Excel
2 25 (0.56%) HipChat
3 18 (0.40%) Microsoft Office
4 15 (0.34%) MS Visio
5 12 (0.27%) Chatbot
6 9 (0.20%) Microsoft PowerPoint
6 9 (0.20%) Photoshop
7 7 (0.16%) Microsoft Project
8 3 (0.067%) InVision
9 2 (0.045%) Adobe Illustrator
9 2 (0.045%) Stata
10 1 (0.022%) Doxygen
10 1 (0.022%) InfoPath
10 1 (0.022%) OrCAD
Business Applications
1 46 (1.03%) ION MarketView
2 18 (0.40%) Temenos T24
3 12 (0.27%) Dynamics CRM
4 10 (0.22%) Markit EDM
4 10 (0.22%) Oracle Retail
5 8 (0.18%) RMDS
6 7 (0.16%) BusinessWorks
6 7 (0.16%) Magento
7 5 (0.11%) Kondor
8 3 (0.067%) Oracle Applications
8 3 (0.067%) Payment Gateway
9 2 (0.045%) MetaTrader
9 2 (0.045%) Oracle BPM
9 2 (0.045%) Oracle EBS
9 2 (0.045%) Oracle iProcurement
9 2 (0.045%) Salerio
9 2 (0.045%) SAP Hybris
9 2 (0.045%) thinkFolio
10 1 (0.022%) Dynamics NAV
10 1 (0.022%) SimCorp Dimension
Cloud Services
1 1244 (27.80%) Amazon AWS
2 345 (7.71%) Microsoft Azure
3 219 (4.89%) Amazon EC2
4 207 (4.63%) GitHub
5 169 (3.78%) AWS CloudFormation
6 168 (3.75%) Amazon S3
7 130 (2.91%) Virtual Private Cloud
8 114 (2.55%) IaaS
9 104 (2.32%) PaaS
10 92 (2.06%) Route 53
11 75 (1.68%) Cloud Computing
12 73 (1.63%) Amazon CloudWatch
13 72 (1.61%) Serverless
14 71 (1.59%) Google Cloud Platform
15 63 (1.41%) Amazon ELB
16 61 (1.36%) SaaS
17 59 (1.32%) AWS Lambda
18 54 (1.21%) OpenShift
19 42 (0.94%) Office 365
20 35 (0.78%) Amazon SQS
Communications & Networking
1 394 (8.80%) Firewall
2 383 (8.56%) TCP/IP
3 277 (6.19%) DNS
4 246 (5.50%) HTTP
5 182 (4.07%) SSL
6 165 (3.69%) SAN
7 133 (2.97%) VPN
8 112 (2.50%) DHCP
9 111 (2.48%) LAN
10 107 (2.39%) LDAP
11 105 (2.35%) Network Security
12 100 (2.23%) WAN
13 83 (1.85%) Internet
14 76 (1.70%) Kerberos
15 57 (1.27%) NAS
16 41 (0.92%) HTTPS
17 37 (0.83%) SSH
18 33 (0.74%) FTP
19 32 (0.72%) BIG-IP
19 32 (0.72%) IPsec
Database & Business Intelligence
1 434 (9.70%) MySQL
2 332 (7.42%) PostgreSQL
3 298 (6.66%) Hadoop
4 281 (6.28%) Relational Database
5 278 (6.21%) NoSQL
6 275 (6.15%) Big Data
7 269 (6.01%) MongoDB
8 268 (5.99%) SQL Server
9 140 (3.13%) HBase
10 138 (3.08%) Oracle Database
11 134 (2.99%) RDBMS
12 133 (2.97%) Amazon RDS
13 114 (2.55%) Apache Cassandra
14 82 (1.83%) KDB
15 67 (1.50%) Apache Hive
16 65 (1.45%) Data Warehouse
17 56 (1.25%) Redis
18 44 (0.98%) Amazon DynamoDB
19 37 (0.83%) DB2
20 32 (0.72%) Sybase ASE
Development Applications
1 949 (21.21%) Jenkins
2 802 (17.92%) Git (software)
3 399 (8.92%) JIRA
4 349 (7.80%) Maven
5 166 (3.71%) Subversion
6 161 (3.60%) Sonatype Nexus
7 150 (3.35%) JUnit
8 148 (3.31%) TeamCity
9 120 (2.68%) Artifactory
10 111 (2.48%) Cucumber
11 105 (2.35%) Bitbucket
12 93 (2.08%) Atlassian Bamboo
13 92 (2.06%) IntelliJ
14 91 (2.03%) GitLab
15 84 (1.88%) Mockito
16 69 (1.54%) Vagrant
17 68 (1.52%) Gradle
18 63 (1.41%) Selenium
19 54 (1.21%) Hudson
20 52 (1.16%) Grunt
General
1 1006 (22.48%) Finance
2 671 (14.99%) Banking
3 298 (6.66%) Front Office
4 285 (6.37%) Investment Banking
5 122 (2.73%) Telecoms
6 104 (2.32%) Marketing
7 101 (2.26%) Retail
8 73 (1.63%) Financial Institution
9 67 (1.50%) Electronics
10 54 (1.21%) Games
11 52 (1.16%) Manufacturing
12 41 (0.92%) Retail Banking
13 27 (0.60%) Back Office
14 26 (0.58%) Legal
15 25 (0.56%) Advertising
15 25 (0.56%) Publishing
16 21 (0.47%) Law
17 19 (0.42%) Pharmaceutical
18 18 (0.40%) French Language
19 11 (0.25%) Prime Brokerage
Job Titles
1 1281 (28.63%) Developer
2 984 (21.99%) DevOps Engineer
3 477 (10.66%) Java Developer
4 406 (9.07%) Linux Engineer
5 396 (8.85%) AWS Engineer
6 371 (8.29%) AWS DevOps
7 329 (7.35%) AWS DevOps Engineer
8 266 (5.94%) Administrator
9 262 (5.85%) C++ Developer
10 241 (5.39%) Analyst
11 234 (5.23%) Linux/Unix DevOps
12 204 (4.56%) Consultant
13 202 (4.51%) Senior Developer
14 198 (4.42%) Linux DevOps Engineer
15 187 (4.18%) Architect
16 166 (3.71%) Systems Administrator
17 153 (3.42%) Linux Administrator
18 147 (3.28%) Infrastructure Engineer
19 142 (3.17%) Senior Java Developer
20 137 (3.06%) Senior DevOps
Libraries, Frameworks & Software Standards
1 453 (10.12%) Web Services
2 358 (8.00%) HTML
3 331 (7.40%) REST
4 318 (7.11%) Spring
5 279 (6.23%) CSS
6 263 (5.88%) Elastic Stack
7 259 (5.79%) Node.js
8 243 (5.43%) XML
9 204 (4.56%) AngularJS
10 195 (4.36%) HTML5
11 191 (4.27%) Kafka
12 190 (4.25%) JSON
13 187 (4.18%) RESTful
14 185 (4.13%) Middleware
15 148 (3.31%) .NET
15 148 (3.31%) FIX Protocol
16 135 (3.02%) Spring Boot
17 123 (2.75%) JMS
18 113 (2.53%) jQuery
19 110 (2.46%) SOAP
Miscellaneous
1 308 (6.88%) Analytical Skills
2 263 (5.88%) Foreign Exchange (FX)
3 221 (4.94%) Data Centre
4 193 (4.31%) Computer Science
5 131 (2.93%) Greenfield Project
6 126 (2.82%) Linux Command Line
7 108 (2.41%) Algorithms
8 103 (2.30%) Fixed Income
9 102 (2.28%) Public Cloud
10 101 (2.26%) Data Structures
11 90 (2.01%) Fintech
12 87 (1.94%) PKI
13 86 (1.92%) Equities
13 86 (1.92%) User Experience
14 79 (1.77%) Replication
15 74 (1.65%) Clustering
16 58 (1.30%) Management Information System
17 57 (1.27%) Derivative
18 50 (1.12%) Private Cloud
19 46 (1.03%) Mobile App
Operating Systems
1 1481 (33.09%) Unix
2 1088 (24.31%) Windows
3 604 (13.50%) Red Hat Enterprise Linux
4 333 (7.44%) CentOS
5 297 (6.64%) Windows Server
6 260 (5.81%) Solaris
7 216 (4.83%) Ubuntu
8 128 (2.86%) Windows Server 2012
9 105 (2.35%) AIX
10 87 (1.94%) Windows Server 2008
11 65 (1.45%) Mac OS X
12 52 (1.16%) Windows Server 2003
13 51 (1.14%) Android
14 48 (1.07%) Mac OS
15 47 (1.05%) CoreOS
16 44 (0.98%) SUSE
17 38 (0.85%) Debian
18 33 (0.74%) Windows 7
19 28 (0.63%) Windows 10
20 20 (0.45%) Embedded Linux
Processes & Methodologies
1 1522 (34.01%) DevOps
2 1279 (28.58%) Agile Software Development
3 698 (15.60%) Continuous Integration
4 594 (13.27%) Configuration Management
5 409 (9.14%) TDD
6 401 (8.96%) Scrum
7 382 (8.54%) Open Source
8 335 (7.49%) Test Automation
9 326 (7.28%) Microservices
10 273 (6.10%) Multithreading
11 272 (6.08%) Continuous Delivery
12 264 (5.90%) Migration
13 260 (5.81%) Software Engineering
14 242 (5.41%) OO
15 233 (5.21%) Analytics
16 226 (5.05%) BDD
17 216 (4.83%) Low Latency
18 196 (4.38%) Electronic Trading
18 196 (4.38%) ITIL
19 195 (4.36%) E-Commerce
Programming Languages
1 1622 (36.25%) Java
2 1584 (35.40%) Python
3 946 (21.14%) SQL
4 673 (15.04%) Bash Shell
5 534 (11.93%) JavaScript
6 470 (10.50%) C++
6 470 (10.50%) Ruby
7 427 (9.54%) Perl
8 358 (8.00%) Shell Script
9 246 (5.50%) PowerShell
10 229 (5.12%) Go
11 196 (4.38%) Scala
12 187 (4.18%) C#
13 166 (3.71%) C
14 143 (3.20%) PHP
15 89 (1.99%) PL/SQL
16 80 (1.79%) Groovy
16 80 (1.79%) Korn
17 55 (1.23%) ES6
18 54 (1.21%) R
Qualifications
1 502 (11.22%) Security Cleared
2 387 (8.65%) SC Cleared
3 285 (6.37%) Degree
4 98 (2.19%) Computer Science Degree
5 60 (1.34%) CISSP
6 54 (1.21%) Cisco Certification
7 53 (1.18%) DV Cleared
8 40 (0.89%) Microsoft Certification
9 36 (0.80%) AWS Certification
10 34 (0.76%) RHCE
11 31 (0.69%) CISM
12 29 (0.65%) PhD
13 27 (0.60%) CCNA
14 22 (0.49%) CCNP
15 21 (0.47%) BPSS Clearance
16 18 (0.40%) MCSE
17 17 (0.38%) SANS
18 16 (0.36%) MCSA
19 15 (0.34%) CEH
20 14 (0.31%) CCSP
Quality Assurance & Compliance
1 177 (3.96%) QA
2 52 (1.16%) MiFID
3 46 (1.03%) ISO/IEC 27001
4 28 (0.63%) SLA
5 27 (0.60%) Disclosure Scotland
5 27 (0.60%) PCI DSS
6 25 (0.56%) Data Quality
7 17 (0.38%) GCP
7 17 (0.38%) GDPR
8 15 (0.34%) Sarbanes-Oxley
9 12 (0.27%) TARGET2
10 11 (0.25%) NIST 800
11 9 (0.20%) COBIT
12 8 (0.18%) AIFMD
13 6 (0.13%) EMIR
13 6 (0.13%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
13 6 (0.13%) PMO
14 5 (0.11%) AS 2805
14 5 (0.11%) HMG Infosec
14 5 (0.11%) OASIS TOSCA
System Software
1 893 (19.96%) Docker
2 228 (5.09%) VMware Infrastructure
3 216 (4.83%) Active Directory
4 89 (1.99%) VMware ESXi
5 87 (1.94%) HDFS
6 70 (1.56%) Hyper-V
7 59 (1.32%) Virtual Machines
8 53 (1.18%) vCloud
9 47 (1.05%) NFS
10 41 (0.92%) KVM
11 38 (0.85%) vSphere
12 34 (0.76%) Samba
13 32 (0.72%) Apache ZooKeeper
14 25 (0.56%) etcd
15 19 (0.42%) Apache Flume
15 19 (0.42%) Oracle RAC
16 18 (0.40%) Firmware
17 17 (0.38%) LXC
18 16 (0.36%) Varnish
18 16 (0.36%) Virtual Servers
Systems Management
1 916 (20.47%) Ansible
2 849 (18.97%) Puppet
3 500 (11.17%) Terraform
4 481 (10.75%) Kubernetes
5 401 (8.96%) Opscode Chef
6 184 (4.11%) logstash
7 146 (3.26%) Kibana
8 133 (2.97%) Nagios
9 108 (2.41%) Grafana
10 77 (1.72%) ZABBIX
11 75 (1.68%) Prometheus
12 61 (1.36%) Packer
13 57 (1.27%) Salt
14 51 (1.14%) Rancher
15 50 (1.12%) SCCM
16 49 (1.09%) ITRS Geneos
17 47 (1.05%) Mesos
18 45 (1.01%) Consul
19 38 (0.85%) Docker Swarm
19 38 (0.85%) Graphite
Vendors
1 535 (11.96%) Oracle
2 517 (11.55%) Red Hat
3 498 (11.13%) VMware
4 290 (6.48%) Microsoft
5 235 (5.25%) Splunk
6 200 (4.47%) Sybase
7 177 (3.96%) IBM
8 170 (3.80%) Cisco
9 158 (3.53%) TIBCO
10 129 (2.88%) Google
11 108 (2.41%) Atlassian
12 94 (2.10%) HP
13 77 (1.72%) Juniper
14 76 (1.70%) SAP
15 74 (1.65%) F5
16 68 (1.52%) AppDynamics
17 65 (1.45%) EMC
18 64 (1.43%) Citrix
19 63 (1.41%) SaltStack
20 60 (1.34%) Hortonworks