The table below looks at the statistics for CentOS skills in IT contracts advertised for the City of London region. Included is a guide to the average contractor rates offered in IT contracts that have cited CentOS over the 3 months to 5 February 2016 with a comparison to the same period in 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.

Location
3 months to
5 Feb 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 138 176 183
Rank change year-on-year
+38 +7
Contract jobs citing CentOS 14 14 23
As % of all contract IT jobs located in the City of London 0.45% 0.28% 0.39%
As % of the Operating Systems category 2.11% 1.20% 1.91%
Number of daily rates quoted 12 9 14
Average daily rate £445 £475 £419
Average daily rate % change year-on-year
-6.42% +13.43%
90% offered a daily rate of more than £255 £350 £284
10% offered a daily rate of more than £498 £580 £450
UK excluding London average daily rate £450 £350 £400
% change year-on-year
+28.57% -12.50%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £50.50 £47.50 £15.00
% change year-on-year
+6.31% +216.66%
CentOS
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
664 1167 1205
As % of all contract IT jobs located in the City of London 21.17% 23.18% 20.62%
Number of daily rates quoted 495 884 832
Average daily rate £438 £413 £400
Average daily rate % change year-on-year
+6.06% +3.12%
90% offered a daily rate of more than £200 £190 £195
10% offered a daily rate of more than £575 £568 £550
UK excluding London average daily rate £350 £338 £307
% change year-on-year
+3.70% +9.93%
Number of hourly rates quoted 21 42 46
Average hourly rate £20.00 £17.63 £18.70
Average hourly rate % change year-on-year
+13.47% -5.74%
90% offered a hourly rate of more than £13.00 £12.50 £14.00
10% offered a hourly rate of more than £30.00 £105.00 £31.00
UK excluding London average hourly rate £17.25 £15.75 £15.00
% change year-on-year
+9.52% +5.00%

CentOS
Jobs Demand Trend in the City of London

This chart provides a 3-month moving total of IT contractor jobs citing CentOS across the City of London region as a proportion of the total demand within the Operating Systems category.

CentOS Jobs Demand Trend in the City of London

CentOS
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 CentOS across the City of London region.

CentOS Daily Rate Trend in the City of London

CentOS
Daily Rate Histogram in the City of London

This chart provides a histogram of daily rates quoted in contract IT jobs citing CentOS across the City of London region over the 3 months to 5 February 2016.

CentOS Daily Rate Histogram in the City of London

CentOS
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 CentOS across the City of London region.

CentOS Hourly Rate Trend in the City of London

CentOS
Top 30 Related IT Skills in the City of London

For the 6 months to 5 February 2016, IT contractor jobs across the City of London region citing CentOS also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited CentOS.

1 26 (96.30%) Linux
2 19 (70.37%) DevOps
3 15 (55.56%) Puppet
4 14 (51.85%) Bash Shell
5 13 (48.15%) Python
6 12 (44.44%) VMware
6 12 (44.44%) Continuous Integration
7 11 (40.74%) Ubuntu
7 11 (40.74%) Java
7 11 (40.74%) Red Hat
7 11 (40.74%) Git (software)
7 11 (40.74%) Ansible
8 10 (37.04%) Jenkins
8 10 (37.04%) VMware Infrastructure
8 10 (37.04%) Red Hat Enterprise Linux
8 10 (37.04%) Agile Software Development
9 9 (33.33%) Perl
9 9 (33.33%) Opscode Chef
10 8 (29.63%) Docker
10 8 (29.63%) Ruby
11 7 (25.93%) SQL
11 7 (25.93%) MySQL
11 7 (25.93%) Apache
11 7 (25.93%) Windows
12 6 (22.22%) Firewall
12 6 (22.22%) NoSQL
13 5 (18.52%) Debian
13 5 (18.52%) Subversion
13 5 (18.52%) LDAP
13 5 (18.52%) Active Directory

CentOS
Top Related IT Skills in the City of London by Category

For the 6 months to 5 February 2016, IT contractor jobs across the City of London region citing CentOS also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited CentOS. Up to 20 skills are shown per category.

Application Platforms
1 7 (25.93%) Apache
2 4 (14.81%) JBoss
2 4 (14.81%) nginx
3 3 (11.11%) OpenStack
3 3 (11.11%) Tomcat
4 2 (7.41%) Apache Spark
4 2 (7.41%) Elasticsearch
4 2 (7.41%) Node.js
5 1 (3.70%) Confluence
5 1 (3.70%) GlassFish
5 1 (3.70%) MediaWiki
5 1 (3.70%) MQSeries
5 1 (3.70%) SAS
5 1 (3.70%) WebSphere
5 1 (3.70%) Zimbra
Applications
1 1 (3.70%) MS Excel
1 1 (3.70%) MS Office
Cloud Services
1 4 (14.81%) Amazon AWS
2 3 (11.11%) Google Cloud Platform
3 2 (7.41%) Amazon EC2
3 2 (7.41%) GitHub
3 2 (7.41%) Google Compute Engine
3 2 (7.41%) IaaS
3 2 (7.41%) Microsoft Azure
3 2 (7.41%) PaaS
Communications & Networking
1 6 (22.22%) Firewall
2 5 (18.52%) LDAP
2 5 (18.52%) TCP/IP
3 3 (11.11%) HTTP
3 3 (11.11%) VPN
4 2 (7.41%) BGP
4 2 (7.41%) HTTPS
4 2 (7.41%) Internet
4 2 (7.41%) LAN
4 2 (7.41%) OSPF
4 2 (7.41%) SSL
5 1 (3.70%) DHCP
5 1 (3.70%) DNS
5 1 (3.70%) FTP
5 1 (3.70%) IPv6
5 1 (3.70%) SAN
5 1 (3.70%) SMTP
5 1 (3.70%) SNMP
5 1 (3.70%) WAN
5 1 (3.70%) Wi-Fi
Database & Business Intelligence
1 7 (25.93%) MySQL
2 6 (22.22%) NoSQL
3 4 (14.81%) PostgreSQL
4 3 (11.11%) MongoDB
5 2 (7.41%) Apache Cassandra
5 2 (7.41%) Apache Hive
5 2 (7.41%) Hadoop
5 2 (7.41%) Neo4j
6 1 (3.70%) DB2
6 1 (3.70%) Relational Database
6 1 (3.70%) SQL Server
6 1 (3.70%) SQL Server 2012
Development Applications
1 11 (40.74%) Git (software)
2 10 (37.04%) Jenkins
3 5 (18.52%) Subversion
4 4 (14.81%) GitLab
4 4 (14.81%) Maven
5 3 (11.11%) Vagrant
6 2 (7.41%) Selenium
6 2 (7.41%) Team Foundation Server
7 1 (3.70%) Gradle
7 1 (3.70%) Hudson
7 1 (3.70%) JIRA
7 1 (3.70%) Sonatype Nexus
General
1 3 (11.11%) Finance
2 2 (7.41%) Advertising
3 1 (3.70%) Banking
3 1 (3.70%) Legal
3 1 (3.70%) Telecoms
Job Titles
1 16 (59.26%) DevOps Engineer
2 5 (18.52%) Linux Engineer
3 4 (14.81%) Linux DevOps Engineer
3 4 (14.81%) Linux/Unix DevOps
4 3 (11.11%) Administrator
4 3 (11.11%) Operations Engineer
4 3 (11.11%) Systems Administrator
5 2 (7.41%) Developer
5 2 (7.41%) Senior Developer
5 2 (7.41%) Senior Software Developer
5 2 (7.41%) Software Developer
6 1 (3.70%) Architect
6 1 (3.70%) Consultant
6 1 (3.70%) Infrastructure Architect
6 1 (3.70%) Infrastructure Consultant
6 1 (3.70%) Infrastructure Engineer
6 1 (3.70%) Linux Systems Administrator
6 1 (3.70%) Network Administrator
6 1 (3.70%) Unix Engineer
6 1 (3.70%) WebSphere Administrator
Libraries, Frameworks & Software Standards
1 4 (14.81%) LAMP
2 3 (11.11%) LEMP Stack
2 3 (11.11%) MCollective
2 3 (11.11%) Middleware
3 2 (7.41%) .NET
3 2 (7.41%) Flask
3 2 (7.41%) Spring
3 2 (7.41%) Struts
3 2 (7.41%) Web Services
3 2 (7.41%) ZeroMQ
4 1 (3.70%) Django
4 1 (3.70%) ELK Stack
4 1 (3.70%) J2EE
4 1 (3.70%) Java EE
4 1 (3.70%) LAPP Stack
4 1 (3.70%) POSIX
4 1 (3.70%) RabbitMQ
Miscellaneous
1 3 (11.11%) User Experience
2 2 (7.41%) Data Centre
3 1 (3.70%) Algorithms
3 1 (3.70%) Analytical Skills
3 1 (3.70%) Clustering
3 1 (3.70%) Digital Media
3 1 (3.70%) Public Cloud
3 1 (3.70%) Wiki
Operating Systems
1 26 (96.30%) Linux
2 11 (40.74%) Ubuntu
3 10 (37.04%) Red Hat Enterprise Linux
4 7 (25.93%) Windows
5 5 (18.52%) Debian
6 4 (14.81%) Unix
7 3 (11.11%) VMS
8 1 (3.70%) Fedora
8 1 (3.70%) Mac OS X
8 1 (3.70%) Solaris
8 1 (3.70%) SUSE
8 1 (3.70%) Windows 7
8 1 (3.70%) Windows 8
8 1 (3.70%) Windows Server
8 1 (3.70%) Windows Server 2003
8 1 (3.70%) Windows Server 2008
8 1 (3.70%) Windows Server 2012
Processes & Methodologies
1 19 (70.37%) DevOps
2 12 (44.44%) Continuous Integration
3 10 (37.04%) Agile Software Development
4 4 (14.81%) Build Automation
4 4 (14.81%) Configuration Management
4 4 (14.81%) Continuous Delivery
4 4 (14.81%) Web Operations
5 3 (11.11%) Capacity Planning
5 3 (11.11%) E-Commerce
5 3 (11.11%) Open Source
5 3 (11.11%) Scrum
5 3 (11.11%) Service Delivery
5 3 (11.11%) SOA
6 2 (7.41%) Automated Testing
6 2 (7.41%) B2B
6 2 (7.41%) Change Management
6 2 (7.41%) Microservices
6 2 (7.41%) Performance Testing
6 2 (7.41%) Refactoring
6 2 (7.41%) Workflow
Programming Languages
1 14 (51.85%) Bash Shell
2 13 (48.15%) Python
3 11 (40.74%) Java
4 9 (33.33%) Perl
5 8 (29.63%) Ruby
6 7 (25.93%) SQL
7 4 (14.81%) PHP
7 4 (14.81%) PowerShell
8 2 (7.41%) Go
8 2 (7.41%) Groovy
8 2 (7.41%) JavaScript
8 2 (7.41%) PL/SQL
9 1 (3.70%) C
9 1 (3.70%) Korn
9 1 (3.70%) Shell Script
9 1 (3.70%) VB
Qualifications
1 2 (7.41%) CCNA
1 2 (7.41%) Cisco Certification
1 2 (7.41%) Security Cleared
2 1 (3.70%) BC Cleared
2 1 (3.70%) Degree
2 1 (3.70%) MCSE
2 1 (3.70%) MCTS
2 1 (3.70%) Microsoft Certification
2 1 (3.70%) SC Cleared
Quality Assurance & Compliance
1 1 (3.70%) SLA
System Software
1 10 (37.04%) VMware Infrastructure
2 8 (29.63%) Docker
3 5 (18.52%) Active Directory
4 2 (7.41%) iptables
4 2 (7.41%) KVM
4 2 (7.41%) Postfix
4 2 (7.41%) Samba
4 2 (7.41%) VMware ESXi
4 2 (7.41%) vSphere
5 1 (3.70%) Ceph
5 1 (3.70%) Dovecot
5 1 (3.70%) NFS
5 1 (3.70%) Sendmail
5 1 (3.70%) Squid
5 1 (3.70%) vCloud
5 1 (3.70%) VirtualBox
5 1 (3.70%) VMware ESX
Systems Management
1 15 (55.56%) Puppet
2 11 (40.74%) Ansible
3 9 (33.33%) Opscode Chef
4 3 (11.11%) Kubernetes
4 3 (11.11%) Nagios
4 3 (11.11%) ZABBIX
5 2 (7.41%) Mesos
6 1 (3.70%) Cacti
6 1 (3.70%) Capistrano
6 1 (3.70%) HAProxy
6 1 (3.70%) Oracle ZFS
6 1 (3.70%) RANCID
6 1 (3.70%) systemd
Vendors
1 12 (44.44%) VMware
2 11 (40.74%) Red Hat
3 5 (18.52%) Cisco
4 3 (11.11%) Google
5 2 (7.41%) F5
5 2 (7.41%) Microsoft
5 2 (7.41%) Oracle
5 2 (7.41%) Rackspace
6 1 (3.70%) Adobe
6 1 (3.70%) Atlassian
6 1 (3.70%) CA
6 1 (3.70%) Dell
6 1 (3.70%) Fortinet
6 1 (3.70%) IBM
6 1 (3.70%) Juniper
6 1 (3.70%) Kaspersky
6 1 (3.70%) New Relic
6 1 (3.70%) Supermicro
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Rate: competitive
Posted: 9 days ago
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Rate: competitive
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