The table below looks at the statistics for CentOS skills in IT contracts advertised for the England region. Included is a guide to the contractor rates offered in IT contracts that have cited CentOS 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
CentOS Linux
Rank 343 400 398
Rank change year-on-year
+57 -2
Contract jobs citing CentOS 301 230 216
As % of all contract IT jobs located in England 0.62% 0.45% 0.44%
As % of the Operating Systems category 2.70% 2.03% 1.91%
Number of daily rates quoted 224 142 147
Median daily rate £464 £388 £375
Median daily rate % change year-on-year
+19.67% +3.33%
90% offered a daily rate of more than £325 £245 £180
10% offered a daily rate of more than £560 £500 £500
UK excluding London median daily rate £425 £375 £350
% change year-on-year
+13.33% +7.14%
Number of hourly rates quoted 2 0 4
Median hourly rate £55.00 - £16.75
UK excluding London median hourly rate £55.00 - £16.75
CentOS
UK

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

Operating Systems Category
England
Contract IT job ads with a match in the
Operating Systems category
11166 11335 11331
As % of all contract IT jobs located in England 22.94% 22.29% 23.12%
Number of daily rates quoted 7164 6721 6590
Median daily rate £400 £360 £350
Median daily rate % change year-on-year
+11.11% +2.85%
90% offered a daily rate of more than £201 £175 £165
10% offered a daily rate of more than £550 £525 £500
UK excluding London median daily rate £363 £348 £308
% change year-on-year
+4.31% +13.00%
Number of hourly rates quoted 579 895 962
Median hourly rate £16.50 £17.00 £15.50
Median hourly rate % change year-on-year
-2.94% +9.67%
90% offered a hourly rate of more than £11.50 £11.00 £10.50
10% offered a hourly rate of more than £42.00 £40.00 £33.50
UK excluding London median hourly rate £17.00 £16.20 £15.00
% change year-on-year
+4.93% +8.00%

CentOS
Jobs Demand Trend in England

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

CentOS Jobs Demand Trend in England

CentOS
Daily Rate Trend in England

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing CentOS across the England region.

CentOS Daily Rate Trend in England

CentOS
Daily Rate Histogram in England

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

CentOS Daily Rate Histogram in England

CentOS
Hourly Rate Trend in England

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing CentOS across the England region.

CentOS Hourly Rate Trend in England

CentOS
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the England region over the 3 months to 25 June 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London +79 169 £500 +11.11% 44
South East +35 53 £425 +13.33% 22
Yorkshire -28 23 £450 +50.00% 6
North West -19 16 £425 - 4
West Midlands - 16 £400 - 2
North East - 9 £450 - 3
East of England +18 6 £425 - 5
East Midlands +5 5 £228 -44.10% 8
South West -11 4 £525 +40.00% 5
CentOS
UK

CentOS
Top 30 Related IT Skills in England

For the 6 months to 25 June 2016, IT contractor jobs citing CentOS 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 England region with a requirement for CentOS.

1 556 (100.00%) Linux
2 300 (53.96%) DevOps
3 292 (52.52%) Red Hat
4 274 (49.28%) Puppet
5 234 (42.09%) Red Hat Enterprise Linux
6 205 (36.87%) Ubuntu
7 189 (33.99%) VMware
8 188 (33.81%) Agile Software Development
9 181 (32.55%) Bash Shell
10 177 (31.83%) Jenkins
11 168 (30.22%) Configuration Management
12 165 (29.68%) Python
13 157 (28.24%) Amazon AWS
14 156 (28.06%) Git (software)
15 152 (27.34%) Java
16 144 (25.90%) Continuous Integration
17 141 (25.36%) Windows
18 140 (25.18%) Ansible
19 138 (24.82%) Apache
20 134 (24.10%) Security Cleared
21 132 (23.74%) Perl
22 128 (23.02%) VMware Infrastructure
23 118 (21.22%) MySQL
24 112 (20.14%) Ruby
25 109 (19.60%) SC Cleared
26 107 (19.24%) Opscode Chef
27 98 (17.63%) Docker
28 93 (16.73%) Tomcat
29 91 (16.37%) PHP
30 90 (16.19%) Unix

CentOS
Top Related IT Skills in England 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
1 138 (24.82%) Apache
2 93 (16.73%) Tomcat
3 85 (15.29%) OpenStack
4 51 (9.17%) Confluence
5 35 (6.29%) nginx
6 32 (5.76%) JBoss
7 21 (3.78%) Elasticsearch
8 20 (3.60%) IIS
9 10 (1.80%) WebSphere
10 9 (1.62%) Jetty
10 9 (1.62%) Mule ESB
10 9 (1.62%) WebSphere Application Server
11 6 (1.08%) Cloud Foundry
11 6 (1.08%) WebSphere Process Server
12 5 (0.90%) Apache Spark
12 5 (0.90%) SAS
13 3 (0.54%) MediaWiki
13 3 (0.54%) Moodle
13 3 (0.54%) Zimbra
14 2 (0.36%) Alfresco
Applications
1 28 (5.04%) MS Excel
2 25 (4.50%) MS Office
3 10 (1.80%) HipChat
3 10 (1.80%) MS Visio
4 1 (0.18%) MS PowerPoint
4 1 (0.18%) MS Project
Business Applications
1 7 (1.26%) SAP Oil and Gas
Cloud Services
1 157 (28.24%) Amazon AWS
2 21 (3.78%) Microsoft Azure
3 20 (3.60%) Amazon EC2
4 19 (3.42%) GitHub
4 19 (3.42%) PaaS
5 18 (3.24%) IaaS
6 15 (2.70%) Google Cloud Platform
6 15 (2.70%) SaaS
7 12 (2.16%) AWS CloudFormation
8 11 (1.98%) Amazon S3
9 6 (1.08%) Amazon ELB
9 6 (1.08%) AWS Elastic Beanstalk
9 6 (1.08%) OpenShift
9 6 (1.08%) Route 53
10 5 (0.90%) Amazon CloudWatch
10 5 (0.90%) Amazon EMR
10 5 (0.90%) CloudFront
10 5 (0.90%) Google Apps
11 4 (0.72%) Rackspace Cloud
12 3 (0.54%) Virtual Private Cloud
Communications & Networking
1 77 (13.85%) DNS
2 71 (12.77%) TCP/IP
3 53 (9.53%) Firewall
4 36 (6.47%) SAN
4 36 (6.47%) VPN
5 28 (5.04%) DHCP
6 25 (4.50%) LDAP
7 21 (3.78%) HTTP
8 20 (3.60%) Internet
9 19 (3.42%) iSCSI
9 19 (3.42%) SMTP
10 17 (3.06%) Cisco Nexus
10 17 (3.06%) FTP
11 16 (2.88%) Fibre Channel
12 14 (2.52%) Network Security
13 12 (2.16%) SSL
14 11 (1.98%) DMZ
14 11 (1.98%) LAN
14 11 (1.98%) SSH
14 11 (1.98%) WAN
Database & Business Intelligence
1 118 (21.22%) MySQL
2 62 (11.15%) MongoDB
3 60 (10.79%) PostgreSQL
4 49 (8.81%) NoSQL
5 29 (5.22%) SQL Server
6 25 (4.50%) Hadoop
7 21 (3.78%) Relational Database
8 20 (3.60%) Big Data
9 18 (3.24%) Redis
10 15 (2.70%) Apache Cassandra
11 10 (1.80%) HBase
12 9 (1.62%) MariaDB
13 7 (1.26%) Amazon RDS
13 7 (1.26%) SQL Server 2008
14 6 (1.08%) CouchDB
14 6 (1.08%) Oracle Database
15 5 (0.90%) Couchbase
15 5 (0.90%) SQL Server 2014
16 4 (0.72%) Amazon DynamoDB
16 4 (0.72%) Apache Hive
Development Applications
1 177 (31.83%) Jenkins
2 156 (28.06%) Git (software)
3 68 (12.23%) JIRA
4 66 (11.87%) Maven
5 43 (7.73%) Subversion
6 26 (4.68%) Sonatype Nexus
7 20 (3.60%) SonarQube
7 20 (3.60%) Vagrant
8 19 (3.42%) Gradle
9 18 (3.24%) Atlassian Bamboo
9 18 (3.24%) Hudson
10 16 (2.88%) Ant
11 13 (2.34%) Artifactory
11 13 (2.34%) Selenium
12 12 (2.16%) Cucumber
12 12 (2.16%) TeamCity
13 11 (1.98%) Gerrit
13 11 (1.98%) Mercurial
14 10 (1.80%) Mocha
15 9 (1.62%) Appium
General
1 44 (7.91%) Finance
2 18 (3.24%) Games
3 15 (2.70%) Retail
4 11 (1.98%) Telecoms
5 9 (1.62%) Marketing
6 8 (1.44%) Manufacturing
7 7 (1.26%) Electronics
8 6 (1.08%) Back Office
9 4 (0.72%) Banking
9 4 (0.72%) Publishing
10 3 (0.54%) Pharmaceutical
11 2 (0.36%) Spanish Language
12 1 (0.18%) Financial Institution
Job Titles
1 196 (35.25%) DevOps Engineer
2 150 (26.98%) Linux Engineer
3 90 (16.19%) Linux/Unix DevOps
4 71 (12.77%) Linux DevOps Engineer
5 64 (11.51%) Administrator
6 45 (8.09%) Linux Administrator
7 43 (7.73%) Systems Administrator
8 40 (7.19%) AWS DevOps
9 38 (6.83%) AWS Engineer
10 36 (6.47%) Senior Linux Engineer
11 32 (5.76%) Developer
11 32 (5.76%) Senior DevOps
12 31 (5.58%) Linux Systems Administrator
13 29 (5.22%) Systems Engineer
14 28 (5.04%) Senior DevOps Engineer
15 25 (4.50%) Consultant
16 22 (3.96%) Infrastructure Engineer
16 22 (3.96%) Linux Systems Engineer
17 19 (3.42%) Architect
17 19 (3.42%) Operations Engineer
Libraries, Frameworks & Software Standards
1 74 (13.31%) LAMP
2 52 (9.35%) Web Services
3 28 (5.04%) ELK Stack
4 25 (4.50%) LAPP Stack
5 21 (3.78%) RabbitMQ
5 21 (3.78%) REST
6 20 (3.60%) RESTful
7 19 (3.42%) XML
8 18 (3.24%) MCollective
9 16 (2.88%) J2EE
9 16 (2.88%) LEMP Stack
10 15 (2.70%) jQuery
11 14 (2.52%) HTML
11 14 (2.52%) SOAP
12 12 (2.16%) Node.js
13 11 (1.98%) Apache Camel
13 11 (1.98%) JSON
14 10 (1.80%) ActiveMQ
15 9 (1.62%) HTML5
15 9 (1.62%) Spring
Miscellaneous
1 32 (5.76%) Data Centre
2 23 (4.14%) Private Cloud
3 22 (3.96%) Public Cloud
4 17 (3.06%) Wiki
5 13 (2.34%) Clustering
5 13 (2.34%) Mobile App
6 12 (2.16%) Management Information System
7 11 (1.98%) Enterprise Cloud
8 10 (1.80%) PlayStation
9 9 (1.62%) Digital Media
10 8 (1.44%) Derivative
10 8 (1.44%) Enterprise Software
11 6 (1.08%) Analytical Skills
11 6 (1.08%) EMC VNX
11 6 (1.08%) NHS
11 6 (1.08%) Virtual Team
11 6 (1.08%) Visualisation
12 5 (0.90%) Device Driver
12 5 (0.90%) Replication
12 5 (0.90%) User Experience
Operating Systems
1 556 (100.00%) Linux
2 234 (42.09%) Red Hat Enterprise Linux
3 205 (36.87%) Ubuntu
4 141 (25.36%) Windows
5 90 (16.19%) Unix
6 41 (7.37%) Windows Server
7 40 (7.19%) Fedora
8 38 (6.83%) Debian
9 32 (5.76%) Solaris
10 31 (5.58%) Windows Server 2008
11 27 (4.86%) Windows Server 2012
12 22 (3.96%) Windows Server 2003
13 15 (2.70%) Mac OS X
14 14 (2.52%) AIX
15 13 (2.34%) SUSE
16 8 (1.44%) CoreOS
17 7 (1.26%) Mac OS
18 6 (1.08%) Windows 7
19 5 (0.90%) Android
19 5 (0.90%) Mac OS X Server
Processes & Methodologies
1 300 (53.96%) DevOps
2 188 (33.81%) Agile Software Development
3 168 (30.22%) Configuration Management
4 144 (25.90%) Continuous Integration
5 75 (13.49%) Scrum
6 74 (13.31%) Open Source
7 51 (9.17%) ITIL
8 48 (8.63%) Continuous Delivery
9 36 (6.47%) High Availability
10 35 (6.29%) Build Automation
11 31 (5.58%) Load Balancing
12 29 (5.22%) Service Management
13 27 (4.86%) SDLC
14 25 (4.50%) E-Commerce
14 25 (4.50%) SOA
15 23 (4.14%) Migration
16 22 (3.96%) TDD
17 21 (3.78%) Release Management
17 21 (3.78%) Software Engineering
18 19 (3.42%) Service Delivery
Programming Languages
1 181 (32.55%) Bash Shell
2 165 (29.68%) Python
3 152 (27.34%) Java
4 132 (23.74%) Perl
5 112 (20.14%) Ruby
6 91 (16.37%) PHP
7 56 (10.07%) SQL
8 36 (6.47%) JavaScript
9 35 (6.29%) Shell Script
10 27 (4.86%) PowerShell
11 16 (2.88%) C
12 13 (2.34%) C++
13 9 (1.62%) Korn
14 7 (1.26%) AWK
14 7 (1.26%) Groovy
14 7 (1.26%) sed
15 4 (0.72%) C#
15 4 (0.72%) Scala
16 3 (0.54%) Go
17 2 (0.36%) PL/SQL
Qualifications
1 134 (24.10%) Security Cleared
2 109 (19.60%) SC Cleared
3 26 (4.68%) Degree
4 22 (3.96%) Cisco Certification
4 22 (3.96%) RHCE
5 17 (3.06%) BPSS Clearance
6 16 (2.88%) CCNA
7 15 (2.70%) CCNP
8 9 (1.62%) DV Cleared
9 8 (1.44%) Microsoft Certification
10 7 (1.26%) MCSE
10 7 (1.26%) VMware Certified Professional (VCP)
11 5 (0.90%) AWS Certification
12 4 (0.72%) VCP5
13 3 (0.54%) MCTS
14 2 (0.36%) BC Cleared
14 2 (0.36%) CCDA
14 2 (0.36%) CCIE
14 2 (0.36%) CEH
14 2 (0.36%) RHCT
Quality Assurance & Compliance
1 16 (2.88%) Disclosure Scotland
2 15 (2.70%) QA
3 11 (1.98%) ISO/IEC 27001
4 7 (1.26%) SLA
5 3 (0.54%) PCI DSS
6 1 (0.18%) HMG Security Policy Framework
System Software
1 128 (23.02%) VMware Infrastructure
2 98 (17.63%) Docker
3 62 (11.15%) Active Directory
4 47 (8.45%) vSphere
5 43 (7.73%) Virtual Machines
6 38 (6.83%) KVM
7 31 (5.58%) vCloud
8 28 (5.04%) Samba
9 27 (4.86%) VMware ESXi
10 22 (3.96%) Hyper-V
11 21 (3.78%) iptables
12 20 (3.60%) NFS
13 10 (1.80%) Postfix
13 10 (1.80%) Squid
14 9 (1.62%) VMware Server
15 8 (1.44%) Sendmail
15 8 (1.44%) XenServer
16 7 (1.26%) StorNext
16 7 (1.26%) VirtualBox
17 6 (1.08%) Dovecot
Systems Management
1 274 (49.28%) Puppet
2 140 (25.18%) Ansible
3 107 (19.24%) Opscode Chef
4 81 (14.57%) Nagios
5 44 (7.91%) ZABBIX
6 38 (6.83%) Salt
7 33 (5.94%) HAProxy
8 31 (5.58%) Kubernetes
9 27 (4.86%) logstash
10 23 (4.14%) Kibana
11 22 (3.96%) Terraform
12 16 (2.88%) Cacti
13 13 (2.34%) Packer
13 13 (2.34%) Rundeck
13 13 (2.34%) SCCM
14 12 (2.16%) Zenoss
15 11 (1.98%) Graphite
15 11 (1.98%) OVSD
16 10 (1.80%) SCOM
16 10 (1.80%) Xymon
Vendors
1 292 (52.52%) Red Hat
2 189 (33.99%) VMware
3 75 (13.49%) Microsoft
4 48 (8.63%) Oracle
5 45 (8.09%) Cisco
6 32 (5.76%) Atlassian
7 26 (4.68%) EMC
7 26 (4.68%) NetApp
8 25 (4.50%) HP
9 20 (3.60%) Google
10 18 (3.24%) Splunk
11 17 (3.06%) Dell
12 14 (2.52%) Citrix
13 13 (2.34%) New Relic
14 12 (2.16%) IBM
15 11 (1.98%) Apple
15 11 (1.98%) Sonatype
16 10 (1.80%) Black Duck
16 10 (1.80%) Juniper
16 10 (1.80%) Veracode
London
Austin Fraser
Rate: £400 - £450 per day + Negotiable
Posted: Yesterday
Leeds, West Yorkshire
Experis Ltd
Rate: £400.00 - £440.00 per day
Posted: 20 hours ago
Central London / West End
Digitech Resourcing Ltd
Rate: Up to £525 per day
Posted: 2 days ago
East London
Careerwise UK Limited
Rate: £500 - £550 per day
Posted: 2 days ago
London
Careerwise UK Limited
Rate: £600 - £650 per day
Posted: 2 days ago
Watford, Hertfordshire
Energon People
Rate: £350 - £400 per day
Posted: 2 days ago
Portsmouth, Hampshire
AAP3
Rate: £275 - £300 per day
Posted: Yesterday
Woking, Surrey
Venturi
Rate: £400 - £500 per day
Posted: 3 days ago
London
Careerwise UK Limited
Rate: £450 - £600 per day
Posted: 5 days ago
Durham, County Durham
Experis Ltd
Rate: £250.00 - £350.00 per day
Posted: 4 days ago
Hemel Hempstead, Hertfordshire
Understanding Recruitment
Rate: £350 - £400 per day
Posted: 3 days ago
London
Salt
Rate: £350 - £400 per day
Posted: 4 days ago
Leeds, West Yorkshire
Marcus Donald People
Rate: £320 - £370 per day
Posted: 5 days ago
Egham, Surrey
Parham Consulting
Rate: Up to £400 per day Maximum £400 per day
Posted: 4 days ago
Norfolk
Marcus Donald People
Rate: £130 - £160 per day
Posted: 3 days ago
North West England
Amoria Bond
Rate: £0.00 per annum
Posted: 24 days ago