The table below looks at the statistics for Linux skills in IT contracts advertised for the City of London region. Included is a guide to the contractor rates offered in IT contracts that have cited Linux over the 3 months to 25 June 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
25 Jun 2016
Same period 2015 Same period 2014
Linux
Rank 12 19 20
Rank change year-on-year
+7 +1
Contract jobs citing Linux 345 445 447
As % of all contract IT jobs located in the City of London 10.39% 7.64% 7.46%
As % of the Operating Systems category 47.65% 37.97% 35.03%
Number of daily rates quoted 298 356 360
Median daily rate £475 £450 £450
Median daily rate % change year-on-year
+5.55% -
90% offered a daily rate of more than £363 £313 £300
10% offered a daily rate of more than £650 £650 £625
UK excluding London median daily rate £400 £375 £359
% change year-on-year
+6.66% +4.45%
Number of hourly rates quoted 0 10 1
Median hourly rate - £22.83 £45.00
Median hourly rate % change year-on-year
- -49.26%
UK excluding London median hourly rate £40.00 £37.50 £37.50
% change year-on-year
+6.66% -
Linux
London

The following table is for comparison with the above and provides statistics for the entire Operating Systems category in contract jobs advertised in the City of London region.

Operating Systems Category
City of London
Contract IT job ads with a match in the
Operating Systems category
724 1172 1276
As % of all contract IT jobs located in the City of London 21.79% 20.13% 21.30%
Number of daily rates quoted 601 901 946
Median daily rate £463 £400 £390
Median daily rate % change year-on-year
+15.62% +2.56%
90% offered a daily rate of more than £250 £225 £180
10% offered a daily rate of more than £600 £575 £550
UK excluding London median daily rate £363 £348 £308
% change year-on-year
+4.31% +13.00%
Number of hourly rates quoted 21 54 52
Median hourly rate £17.50 £20.00 £19.00
Median hourly rate % change year-on-year
-12.50% +5.26%
90% offered a hourly rate of more than £12.50 £12.50 £13.50
10% offered a hourly rate of more than £22.00 £34.00 £27.50
UK excluding London median hourly rate £17.00 £16.20 £15.00
% change year-on-year
+4.93% +8.00%

Linux
Jobs Demand Trend in the City of London

The demand trend of contract jobs across the City of London region citing Linux as a proportion of all IT contracts with a match in the Operating Systems category.

Linux Jobs Demand Trend in the City of London

Linux
Daily Rate Trend in the City of London

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

Linux Daily Rate Trend in the City of London

Linux
Daily Rate Histogram in the City of London

This chart provides a histogram of daily rates quoted in contract IT jobs citing Linux across the City of London region over the 3 months to 25 June 2016.

Linux Daily Rate Histogram in the City of London

Linux
Hourly Rate Trend in the City of London

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

Linux Hourly Rate Trend in the City of London

Linux
Top 30 Related IT Skills in the City of London

For the 6 months to 25 June 2016, 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 City of London region with a requirement for Linux.

1 262 (39.16%) Unix
2 223 (33.33%) Finance
3 222 (33.18%) Java
4 194 (29.00%) Python
5 191 (28.55%) Agile Software Development
6 181 (27.06%) Windows
7 177 (26.46%) Oracle
8 167 (24.96%) DevOps
9 161 (24.07%) SQL
9 161 (24.07%) Puppet
10 139 (20.78%) Amazon AWS
11 116 (17.34%) Red Hat
12 112 (16.74%) Continuous Integration
13 111 (16.59%) Banking
14 110 (16.44%) Jenkins
15 108 (16.14%) Opscode Chef
16 105 (15.70%) Ruby
17 99 (14.80%) Red Hat Enterprise Linux
18 97 (14.50%) Perl
19 94 (14.05%) Bash Shell
19 94 (14.05%) Ansible
20 93 (13.90%) VMware
21 79 (11.81%) ITIL
22 78 (11.66%) Shell Script
22 78 (11.66%) Git (software)
23 76 (11.36%) Configuration Management
24 75 (11.21%) C++
25 70 (10.46%) SQL Server
25 70 (10.46%) Web Services
26 69 (10.31%) TDD

Linux
Top Related IT Skills in the City of 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 45 (6.73%) Apache
2 39 (5.83%) WebSphere
3 36 (5.38%) Tomcat
4 33 (4.93%) WebLogic
5 26 (3.89%) OpenStack
6 18 (2.69%) JBoss
7 17 (2.54%) IIS
8 15 (2.24%) nginx
9 14 (2.09%) Oracle HTTP Server
10 13 (1.94%) WebSphere Application Server
11 11 (1.64%) Elasticsearch
12 10 (1.49%) Confluence
13 8 (1.20%) CMS
14 6 (0.90%) Apache Spark
14 6 (0.90%) IBM HTTP Server
15 5 (0.75%) Cloud Foundry
15 5 (0.75%) IBM Domino
15 5 (0.75%) MS Exchange
15 5 (0.75%) Mule
15 5 (0.75%) SAS
Applications
1 18 (2.69%) MS Excel
2 8 (1.20%) MS Office
3 3 (0.45%) MS Visio
3 3 (0.45%) SPSS
4 2 (0.30%) MS Project
4 2 (0.30%) Spreadsheet
5 1 (0.15%) Adobe Creative Suite
5 1 (0.15%) AutoCAD
5 1 (0.15%) HipChat
Business Applications
1 9 (1.35%) Documaker
2 3 (0.45%) Magento
2 3 (0.45%) MetaTrader
3 2 (0.30%) Bloomberg TOMS
3 2 (0.30%) Eikon
3 2 (0.30%) Maximo
3 2 (0.30%) Primavera
3 2 (0.30%) SAP Oil and Gas
4 1 (0.15%) BusinessWorks
4 1 (0.15%) CSG Singleview
4 1 (0.15%) ION MarketView
4 1 (0.15%) Oracle Applications
4 1 (0.15%) Oracle ERP
4 1 (0.15%) Payment Gateway
4 1 (0.15%) PeopleSoft CRM
4 1 (0.15%) Remedy ITSM
4 1 (0.15%) RMDS
Cloud Services
1 139 (20.78%) Amazon AWS
2 18 (2.69%) Amazon EC2
2 18 (2.69%) Cloud Computing
2 18 (2.69%) Microsoft Azure
3 13 (1.94%) GitHub
4 8 (1.20%) IaaS
5 7 (1.05%) OpenShift
6 6 (0.90%) PaaS
7 5 (0.75%) AWS CloudFormation
8 4 (0.60%) Amazon S3
8 4 (0.60%) Bluemix
9 3 (0.45%) Amazon SQS
9 3 (0.45%) Azure Active Directory
9 3 (0.45%) Google Cloud Platform
9 3 (0.45%) Route 53
9 3 (0.45%) SaaS
9 3 (0.45%) Virtual Private Cloud
10 2 (0.30%) Amazon CloudWatch
10 2 (0.30%) Amazon ElastiCache
10 2 (0.30%) AWS Elastic Beanstalk
Communications & Networking
1 58 (8.67%) DNS
1 58 (8.67%) SAN
2 56 (8.37%) TCP/IP
3 51 (7.62%) HTTP
4 43 (6.43%) Firewall
5 28 (4.19%) LDAP
6 24 (3.59%) SSL
7 23 (3.44%) LAN
8 22 (3.29%) NAS
9 21 (3.14%) WAN
10 14 (2.09%) Fibre Channel
11 13 (1.94%) Network Security
12 12 (1.79%) VPN
13 8 (1.20%) DHCP
14 7 (1.05%) SNMP
15 6 (0.90%) Cisco ASA
15 6 (0.90%) FTP
15 6 (0.90%) Internet
15 6 (0.90%) Kerberos
15 6 (0.90%) SSH
Database & Business Intelligence
1 70 (10.46%) SQL Server
2 56 (8.37%) Oracle Database
3 53 (7.92%) MongoDB
4 50 (7.47%) MySQL
5 44 (6.58%) NoSQL
6 38 (5.68%) Apache Cassandra
7 34 (5.08%) Oracle Database 11g
8 29 (4.33%) Relational Database
9 23 (3.44%) Hadoop
9 23 (3.44%) PostgreSQL
10 22 (3.29%) Big Data
11 15 (2.24%) Data Warehouse
11 15 (2.24%) DB2
12 12 (1.79%) RDBMS
13 11 (1.64%) KDB
13 11 (1.64%) Redis
14 10 (1.49%) HBase
14 10 (1.49%) Oracle Database 12c
15 9 (1.35%) Amazon DynamoDB
16 8 (1.20%) Oracle Database 10g
Development Applications
1 110 (16.44%) Jenkins
2 78 (11.66%) Git (software)
3 49 (7.32%) JIRA
4 41 (6.13%) Maven
5 22 (3.29%) TeamCity
6 21 (3.14%) Hudson
7 20 (2.99%) Subversion
8 18 (2.69%) Artifactory
9 17 (2.54%) Cucumber
10 14 (2.09%) JUnit
10 14 (2.09%) Selenium
11 13 (1.94%) Ant
12 12 (1.79%) Gradle
13 11 (1.64%) GitLab
14 10 (1.49%) Mockito
15 8 (1.20%) Atlassian Bamboo
15 8 (1.20%) Sonatype Nexus
16 7 (1.05%) Grunt
17 6 (0.90%) Bitbucket
17 6 (0.90%) Karma Test Runner
General
1 223 (33.33%) Finance
2 111 (16.59%) Banking
3 48 (7.17%) Front Office
4 33 (4.93%) Financial Institution
4 33 (4.93%) Investment Banking
5 18 (2.69%) Retail
6 12 (1.79%) Marketing
7 9 (1.35%) Telecoms
8 5 (0.75%) Advertising
8 5 (0.75%) Law
8 5 (0.75%) Legal
8 5 (0.75%) Publishing
9 4 (0.60%) Back Office
9 4 (0.60%) Games
9 4 (0.60%) Manufacturing
10 3 (0.45%) Electronics
10 3 (0.45%) Spanish Language
11 2 (0.30%) French Language
11 2 (0.30%) German Language
11 2 (0.30%) Portuguese Language
Job Titles
1 191 (28.55%) Developer
2 118 (17.64%) DevOps Engineer
3 84 (12.56%) Administrator
4 65 (9.72%) Java Developer
5 58 (8.67%) Linux Engineer
6 46 (6.88%) Systems Administrator
7 43 (6.43%) C++ Developer
7 43 (6.43%) Linux Administrator
8 33 (4.93%) Linux/Unix DevOps
9 31 (4.63%) Linux Systems Administrator
10 28 (4.19%) Consultant
11 26 (3.89%) Senior Developer
12 23 (3.44%) Systems Engineer
13 22 (3.29%) Architect
14 21 (3.14%) AWS Engineer
14 21 (3.14%) Linux DevOps Engineer
14 21 (3.14%) Senior DevOps
15 20 (2.99%) DBA
16 19 (2.84%) Infrastructure Engineer
17 18 (2.69%) Analyst
Libraries, Frameworks & Software Standards
1 70 (10.46%) Web Services
2 55 (8.22%) HTML
3 45 (6.73%) Middleware
4 37 (5.53%) Node.js
5 36 (5.38%) CSS
6 33 (4.93%) XML
7 30 (4.48%) REST
8 29 (4.33%) JSON
9 27 (4.04%) HTML5
10 26 (3.89%) Spring
11 24 (3.59%) .NET
12 22 (3.29%) AngularJS
13 19 (2.84%) FIX Protocol
13 19 (2.84%) Java EE
13 19 (2.84%) jQuery
14 18 (2.69%) CSS3
14 18 (2.69%) WebSphere MQ
15 17 (2.54%) ActiveMQ
15 17 (2.54%) SOAP
16 16 (2.39%) Hibernate
Miscellaneous
1 60 (8.97%) Foreign Exchange (FX)
2 41 (6.13%) Analytical Skills
3 33 (4.93%) Hedge funds
4 32 (4.78%) Clustering
5 27 (4.04%) Algorithms
6 25 (3.74%) Equities
7 21 (3.14%) Data Centre
8 17 (2.54%) Derivative
9 16 (2.39%) Fixed Income
9 16 (2.39%) Public Cloud
10 15 (2.24%) Data Structures
11 14 (2.09%) Computer Science
12 11 (1.64%) Management Information System
12 11 (1.64%) Replication
13 8 (1.20%) Fintech
14 7 (1.05%) Visualisation
15 6 (0.90%) DataPower
15 6 (0.90%) Statistics
15 6 (0.90%) STB
16 5 (0.75%) Mathematics
Operating Systems
1 262 (39.16%) Unix
2 181 (27.06%) Windows
3 99 (14.80%) Red Hat Enterprise Linux
4 54 (8.07%) Solaris
5 53 (7.92%) Windows Server
6 34 (5.08%) AIX
7 27 (4.04%) Ubuntu
8 25 (3.74%) CentOS
9 20 (2.99%) Windows Server 2012
10 19 (2.84%) Windows Server 2008
11 17 (2.54%) Oracle Linux
12 16 (2.39%) Mac OS X
13 13 (1.94%) SUSE
13 13 (1.94%) SUSE Linux Enterprise Server
14 12 (1.79%) CoreOS
14 12 (1.79%) Windows Server 2003
15 8 (1.20%) Android
15 8 (1.20%) Apple iOS
16 7 (1.05%) Debian
17 6 (0.90%) VyOS
Processes & Methodologies
1 191 (28.55%) Agile Software Development
2 167 (24.96%) DevOps
3 112 (16.74%) Continuous Integration
4 79 (11.81%) ITIL
5 76 (11.36%) Configuration Management
6 69 (10.31%) TDD
7 65 (9.72%) Open Source
8 62 (9.27%) Migration
9 54 (8.07%) Continuous Delivery
9 54 (8.07%) Multithreading
10 52 (7.77%) Low Latency
11 43 (6.43%) BDD
12 41 (6.13%) High Availability
13 39 (5.83%) Scrum
14 38 (5.68%) E-Commerce
14 38 (5.68%) OO
15 30 (4.48%) Pair Programming
15 30 (4.48%) Performance Tuning
16 29 (4.33%) SDLC
17 26 (3.89%) Change Management
Programming Languages
1 222 (33.18%) Java
2 194 (29.00%) Python
3 161 (24.07%) SQL
4 105 (15.70%) Ruby
5 97 (14.50%) Perl
6 94 (14.05%) Bash Shell
7 78 (11.66%) Shell Script
8 75 (11.21%) C++
9 58 (8.67%) JavaScript
10 48 (7.17%) PowerShell
11 39 (5.83%) PHP
12 33 (4.93%) PL/SQL
13 26 (3.89%) C
14 25 (3.74%) Go
15 18 (2.69%) C#
16 9 (1.35%) Scala
17 7 (1.05%) Korn
18 5 (0.75%) SystemTap
18 5 (0.75%) VB
19 4 (0.60%) VBScript
Qualifications
1 44 (6.58%) Security Cleared
2 36 (5.38%) Degree
3 31 (4.63%) SC Cleared
4 19 (2.84%) RHCE
5 16 (2.39%) CISSP
5 16 (2.39%) PhD
6 14 (2.09%) RHCA
7 12 (1.79%) ITIL Certification
8 11 (1.64%) Microsoft Certification
9 10 (1.49%) DV Cleared
10 9 (1.35%) Cisco Certification
10 9 (1.35%) CISM
11 8 (1.20%) MCSE
12 6 (0.90%) CCNA
12 6 (0.90%) OCP
12 6 (0.90%) Oracle Certification
13 5 (0.75%) CISA
13 5 (0.75%) PRINCE2 Certification
14 3 (0.45%) CEH
14 3 (0.45%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 19 (2.84%) QA
2 9 (1.35%) SLA
3 4 (0.60%) Disclosure Scotland
4 2 (0.30%) PCI DSS
4 2 (0.30%) Sarbanes-Oxley
5 1 (0.15%) FATCA
System Software
1 60 (8.97%) Docker
2 54 (8.07%) VMware Infrastructure
3 52 (7.77%) Active Directory
4 23 (3.44%) NFS
5 18 (2.69%) VMware ESXi
6 16 (2.39%) Oracle RAC
7 15 (2.24%) KVM
8 13 (1.94%) Virtual Machines
9 12 (1.79%) GlusterFS
9 12 (1.79%) Veritas Cluster Server
10 11 (1.64%) etcd
10 11 (1.64%) flannel
11 10 (1.49%) Veritas Volume Manager
12 9 (1.35%) Hyper-V
13 8 (1.20%) VMware ESX
13 8 (1.20%) vSphere
13 8 (1.20%) Xen
14 7 (1.05%) GFS2
14 7 (1.05%) OCFS2
15 5 (0.75%) Ceph
Systems Management
1 161 (24.07%) Puppet
2 108 (16.14%) Opscode Chef
3 94 (14.05%) Ansible
4 30 (4.48%) Kubernetes
5 24 (3.59%) Nagios
6 19 (2.84%) Terraform
7 16 (2.39%) Oracle Enterprise Manager
7 16 (2.39%) Packer
8 13 (1.94%) Oracle RMAN
8 13 (1.94%) SCOM
9 12 (1.79%) Host Intrusion Detection System
9 12 (1.79%) logstash
10 11 (1.64%) BladeLogic
10 11 (1.64%) Tivoli
11 10 (1.49%) Control-M
11 10 (1.49%) Network Intrusion Detection System
11 10 (1.49%) Tivoli Storage Manager
12 9 (1.35%) Mesos
12 9 (1.35%) SCCM
13 8 (1.20%) Oracle Identity Manager
Vendors
1 177 (26.46%) Oracle
2 116 (17.34%) Red Hat
3 93 (13.90%) VMware
4 56 (8.37%) Microsoft
5 52 (7.77%) IBM
6 35 (5.23%) HP
7 31 (4.63%) Cisco
8 27 (4.04%) NetApp
9 25 (3.74%) Splunk
10 24 (3.59%) Sybase
11 21 (3.14%) EMC
12 20 (2.99%) Veritas
13 19 (2.84%) Atlassian
14 17 (2.54%) Siebel
15 15 (2.24%) Google
16 13 (1.94%) Citrix
16 13 (1.94%) Dell
17 12 (1.79%) 3PAR
18 11 (1.64%) Cyber-Ark
18 11 (1.64%) Rackspace
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