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 21 August 2014 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
21 Aug 2014
Same period 2013 Same period 2012
CentOS Linux
Rank 184 209 204
Rank change year-on-year
+25 -5
Contract jobs citing CentOS 16 19 22
As % of all contract IT jobs located in the City of London 0.27% 0.26% 0.28%
As % of the Operating Systems category 1.22% 1.22% 1.43%
Number of daily rates quoted 13 16 18
Average daily rate
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£450 £350 £350
Average daily rate % change year-on-year
+28.57% -
90% offered a daily rate of more than £335 £194 £296
10% offered a daily rate of more than £500 £435 £409
UK excluding London average daily rate £375 £350 £309
% change year-on-year
+7.14% +13.36%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £18.75 £36.00 £21.00
% change year-on-year
-47.91% +71.42%
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
1315 1559 1534
As % of all contract IT jobs located in the City of London 22.34% 21.51% 19.62%
Number of daily rates quoted 949 1050 1010
Average daily rate £400 £400 £388
Average daily rate % change year-on-year
- +3.22%
90% offered a daily rate of more than £185 £207 £225
10% offered a daily rate of more than £575 £575 £540
UK excluding London average daily rate £320 £325 £320
% change year-on-year
-1.53% +1.56%
Number of hourly rates quoted 60 76 83
Average hourly rate £19.00 £19.50 £19.50
Average hourly rate % change year-on-year
-2.56% -
90% offered a hourly rate of more than £12.50 £13.50 £11.50
10% offered a hourly rate of more than £120.00 £42.50 £25.45
UK excluding London average hourly rate £15.60 £16.00 £17.50
% change year-on-year
-2.50% -8.57%

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 21 August 2014.

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 21 August 2014, 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 22 (91.67%) Linux
2 18 (75.00%) Red Hat Enterprise Linux
3 14 (58.33%) Ubuntu
4 13 (54.17%) Bash Shell
5 12 (50.00%) Git (software)
5 12 (50.00%) Puppet
5 12 (50.00%) DevOps
6 10 (41.67%) Red Hat
7 9 (37.50%) MySQL
8 8 (33.33%) Java
8 8 (33.33%) Perl
8 8 (33.33%) PHP
8 8 (33.33%) Jenkins
9 7 (29.17%) Maven
9 7 (29.17%) Ruby
9 7 (29.17%) MCollective
10 6 (25.00%) Apache
10 6 (25.00%) Continuous Integration
11 5 (20.83%) SQL
11 5 (20.83%) Shell Script
12 4 (16.67%) Python
12 4 (16.67%) Data Modelling
12 4 (16.67%) Ethernet
12 4 (16.67%) Configuration Management
12 4 (16.67%) Scrum
12 4 (16.67%) E-Learning
12 4 (16.67%) SSH
12 4 (16.67%) Performance Testing
12 4 (16.67%) Learning Management System
12 4 (16.67%) Moodle

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

For the 6 months to 21 August 2014, 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 6 (25.00%) Apache
2 4 (16.67%) Moodle
3 2 (8.33%) Confluence
4 1 (4.17%) Oracle SOA Suite
4 1 (4.17%) OpenStack
4 1 (4.17%) Apache Pig
4 1 (4.17%) nginx
4 1 (4.17%) WebLogic
Cloud Services
1 3 (12.50%) Amazon AWS
2 2 (8.33%) GitHub
3 1 (4.17%) Cloud Computing
Communications & Networking
1 4 (16.67%) Ethernet
1 4 (16.67%) SSH
2 2 (8.33%) iSCSI
2 2 (8.33%) DNS
3 1 (4.17%) SAN
3 1 (4.17%) Internet
3 1 (4.17%) OSPF
3 1 (4.17%) BGP
3 1 (4.17%) Firewall
3 1 (4.17%) Wi-Fi
3 1 (4.17%) LDAP
3 1 (4.17%) Broadband
3 1 (4.17%) WAN
3 1 (4.17%) DHCP
3 1 (4.17%) Fibre Channel
3 1 (4.17%) Multicast
3 1 (4.17%) BIG-IP
3 1 (4.17%) VLAN
3 1 (4.17%) TCP/IP
Database & Business Intelligence
1 9 (37.50%) MySQL
2 3 (12.50%) NoSQL
3 1 (4.17%) HBase
3 1 (4.17%) Redis
3 1 (4.17%) Big Data
3 1 (4.17%) Couchbase
3 1 (4.17%) Oracle Database
3 1 (4.17%) Oracle Reports
3 1 (4.17%) Data Mining
3 1 (4.17%) Oracle Database 11g
3 1 (4.17%) Hadoop
3 1 (4.17%) CouchDB
3 1 (4.17%) MongoDB
Development Applications
1 12 (50.00%) Git (software)
2 8 (33.33%) Jenkins
3 7 (29.17%) Maven
4 2 (8.33%) JIRA
4 2 (8.33%) FishEye
5 1 (4.17%) Behat
5 1 (4.17%) DbUnit
5 1 (4.17%) PHPUnit
General
1 3 (12.50%) Finance
2 2 (8.33%) Games
3 1 (4.17%) Legal
3 1 (4.17%) Advertising
Job Titles
1 6 (25.00%) DevOps Engineer
2 5 (20.83%) Analyst
3 3 (12.50%) Developer
3 3 (12.50%) Systems Administrator
3 3 (12.50%) Administrator
3 3 (12.50%) Senior DevOps Engineer
4 2 (8.33%) Linux Engineer
4 2 (8.33%) Linux Systems Administrator
4 2 (8.33%) Linux Administrator
4 2 (8.33%) Systems Engineer
5 1 (4.17%) Applications Developer
5 1 (4.17%) Senior Developer
5 1 (4.17%) Systems Support
5 1 (4.17%) Support Engineer
5 1 (4.17%) Architect
5 1 (4.17%) Systems Analyst
5 1 (4.17%) Consultant
5 1 (4.17%) WebLogic Administrator
5 1 (4.17%) Python Developer
5 1 (4.17%) Technical Services Analyst
Libraries, Frameworks & Software Standards
1 7 (29.17%) MCollective
2 4 (16.67%) Regular Expression
3 3 (12.50%) Web Services
3 3 (12.50%) LAMP
4 1 (4.17%) ActiveMQ
4 1 (4.17%) Symfony
4 1 (4.17%) Zend Framework
4 1 (4.17%) Yii
4 1 (4.17%) Laravel
Miscellaneous
1 4 (16.67%) E-Learning
1 4 (16.67%) Learning Management System
2 3 (12.50%) Open Source
2 3 (12.50%) Replication
3 2 (8.33%) Online Games
4 1 (4.17%) Clustering
4 1 (4.17%) Mobile App
4 1 (4.17%) Management Information System
Operating Systems
1 22 (91.67%) Linux
2 18 (75.00%) Red Hat Enterprise Linux
3 14 (58.33%) Ubuntu
4 3 (12.50%) Fedora
5 2 (8.33%) Debian
5 2 (8.33%) UNIX
5 2 (8.33%) AIX
6 1 (4.17%) Solaris
6 1 (4.17%) Windows
Processes & Methodologies
1 12 (50.00%) DevOps
2 6 (25.00%) Continuous Integration
3 4 (16.67%) Build Automation
3 4 (16.67%) Data Modelling
3 4 (16.67%) Configuration Management
3 4 (16.67%) Scrum
3 4 (16.67%) Performance Testing
4 3 (12.50%) Performance Tuning
5 2 (8.33%) ERD
5 2 (8.33%) BDD
5 2 (8.33%) Continuous Improvement
5 2 (8.33%) Agile Software Development
5 2 (8.33%) Enterprise Architecture
5 2 (8.33%) GAP Analysis
5 2 (8.33%) OO
5 2 (8.33%) E-Commerce
5 2 (8.33%) Low Latency
6 1 (4.17%) SOA
6 1 (4.17%) OOP
6 1 (4.17%) Project Management
Programming Languages
1 13 (54.17%) Bash Shell
2 8 (33.33%) Java
2 8 (33.33%) Perl
2 8 (33.33%) PHP
3 7 (29.17%) Ruby
4 5 (20.83%) Shell Script
4 5 (20.83%) SQL
5 4 (16.67%) Python
5 4 (16.67%) sed
Qualifications
1 2 (8.33%) SC Cleared
1 2 (8.33%) Security Cleared
2 1 (4.17%) CCNA
2 1 (4.17%) Cisco Certification
Quality Assurance & Compliance
1 2 (8.33%) QA
System Software
1 3 (12.50%) NFS
2 2 (8.33%) vCloud
3 1 (4.17%) Active Directory
3 1 (4.17%) VMware Infrastructure
3 1 (4.17%) Hyper-V
3 1 (4.17%) XenServer
3 1 (4.17%) Varnish
Systems Management
1 12 (50.00%) Puppet
2 4 (16.67%) Opscode Chef
3 3 (12.50%) Nagios
3 3 (12.50%) logstash
4 2 (8.33%) ZABBIX
4 2 (8.33%) Ansible
5 1 (4.17%) Capistrano
5 1 (4.17%) Kibana
Vendors
1 10 (41.67%) Red Hat
2 3 (12.50%) Oracle
2 3 (12.50%) Cisco
3 2 (8.33%) VMware
3 2 (8.33%) New Relic
4 1 (4.17%) Zend
4 1 (4.17%) SonicWALL
4 1 (4.17%) Riverbed
4 1 (4.17%) F5
4 1 (4.17%) HP
4 1 (4.17%) Dell
4 1 (4.17%) Juniper
4 1 (4.17%) NetApp
City, London
TEKsystems
Posted: 6 days ago