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 26 May 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
26 May 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 356 396 400
Rank change year-on-year
+40 +4
Contract jobs citing CentOS 288 223 179
As % of all contract IT jobs located in England 0.58% 0.45% 0.37%
As % of the Operating Systems category 2.59% 2.02% 1.66%
Number of daily rates quoted 202 141 110
Median daily rate £465 £388 £353
Median daily rate % change year-on-year
+20.00% +9.92%
90% offered a daily rate of more than £350 £225 £182
10% offered a daily rate of more than £565 £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 6
Median hourly rate £55.00 - £18.13
UK excluding London median hourly rate £55.00 - £18.13
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
11132 11038 10814
As % of all contract IT jobs located in England 22.57% 22.39% 22.54%
Number of daily rates quoted 7046 6453 6253
Median daily rate £400 £363 £350
Median daily rate % change year-on-year
+10.34% +3.57%
90% offered a daily rate of more than £200 £175 £165
10% offered a daily rate of more than £550 £525 £500
UK excluding London median daily rate £365 £347 £313
% change year-on-year
+5.04% +11.19%
Number of hourly rates quoted 572 909 971
Median hourly rate £16.50 £16.66 £15.89
Median hourly rate % change year-on-year
-0.96% +4.84%
90% offered a hourly rate of more than £11.50 £11.00 £10.50
10% offered a hourly rate of more than £42.08 £37.50 £35.00
UK excluding London median hourly rate £16.50 £16.00 £15.50
% change year-on-year
+3.12% +3.22%

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 26 May 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 26 May 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 +64 169 £500 +11.11% 42
South East +16 54 £450 +20.00% 21
Yorkshire -15 16 £475 +95.87% 13
North West -36 13 £388 -7.18% 9
West Midlands - 13 £400 - 6
South West -24 9 £525 +40.00% 2
East of England +14 6 £425 - 4
East Midlands +11 5 £228 -48.00% 5
North East -46 2 £290 -35.55% 2
CentOS
UK

CentOS
Top 30 Related IT Skills in England

For the 6 months to 26 May 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.

1 550 (100.00%) Linux
2 304 (55.27%) DevOps
3 271 (49.27%) Puppet
4 261 (47.45%) Red Hat
5 245 (44.55%) Red Hat Enterprise Linux
6 217 (39.45%) Ubuntu
7 216 (39.27%) Agile Software Development
8 202 (36.73%) Bash Shell
9 192 (34.91%) VMware
10 190 (34.55%) Java
11 186 (33.82%) Configuration Management
12 179 (32.55%) Jenkins
13 170 (30.91%) Amazon AWS
14 169 (30.73%) Git (software)
15 166 (30.18%) Python
16 151 (27.45%) Continuous Integration
17 136 (24.73%) VMware Infrastructure
18 134 (24.36%) Windows
19 130 (23.64%) Apache
20 123 (22.36%) Ruby
21 122 (22.18%) Security Cleared
22 120 (21.82%) Ansible
23 115 (20.91%) Perl
24 107 (19.45%) MySQL
25 105 (19.09%) SC Cleared
26 102 (18.55%) Tomcat
27 97 (17.64%) Opscode Chef
28 92 (16.73%) Unix
29 91 (16.55%) Scrum
30 87 (15.82%) Docker

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
1 130 (23.64%) Apache
2 102 (18.55%) Tomcat
3 87 (15.82%) OpenStack
4 64 (11.64%) Confluence
5 33 (6.00%) nginx
6 32 (5.82%) Elasticsearch
7 30 (5.45%) JBoss
8 21 (3.82%) IIS
9 13 (2.36%) WebSphere
10 12 (2.18%) Node.js
11 11 (2.00%) Jetty
12 9 (1.64%) WebSphere Application Server
13 8 (1.45%) Apache Spark
14 6 (1.09%) Cloud Foundry
14 6 (1.09%) Mule ESB
14 6 (1.09%) WebSphere Process Server
15 5 (0.91%) Exchange Server 2010
15 5 (0.91%) MS Exchange
15 5 (0.91%) SAS
16 4 (0.73%) Drupal
Applications
1 28 (5.09%) MS Excel
2 25 (4.55%) MS Office
3 14 (2.55%) HipChat
4 9 (1.64%) MS Visio
5 3 (0.55%) MS PowerPoint
6 2 (0.36%) 3ds Max
6 2 (0.36%) Acrobat
6 2 (0.36%) Adobe Illustrator
6 2 (0.36%) GIMP
6 2 (0.36%) Photoshop
7 1 (0.18%) MS Project
Business Applications
1 7 (1.27%) SAP Oil and Gas
2 2 (0.36%) Magento
Cloud Services
1 170 (30.91%) Amazon AWS
2 22 (4.00%) Microsoft Azure
3 21 (3.82%) Amazon EC2
4 20 (3.64%) GitHub
5 17 (3.09%) Google Cloud Platform
6 15 (2.73%) SaaS
7 14 (2.55%) AWS CloudFormation
7 14 (2.55%) IaaS
8 10 (1.82%) PaaS
9 9 (1.64%) Amazon S3
10 6 (1.09%) Amazon ELB
10 6 (1.09%) AWS Elastic Beanstalk
10 6 (1.09%) OpenShift
11 5 (0.91%) Amazon CloudWatch
11 5 (0.91%) Amazon EMR
11 5 (0.91%) CloudFront
11 5 (0.91%) Route 53
12 4 (0.73%) Cloud Computing
12 4 (0.73%) Rackspace Cloud
13 3 (0.55%) Heroku
Communications & Networking
1 71 (12.91%) DNS
2 67 (12.18%) TCP/IP
3 51 (9.27%) Firewall
4 34 (6.18%) SAN
5 31 (5.64%) VPN
6 22 (4.00%) SMTP
7 21 (3.82%) HTTP
8 19 (3.45%) DHCP
8 19 (3.45%) iSCSI
9 17 (3.09%) FTP
9 17 (3.09%) Internet
9 17 (3.09%) LDAP
10 15 (2.73%) Fibre Channel
11 13 (2.36%) Cisco Nexus
11 13 (2.36%) LAN
12 12 (2.18%) Network Security
12 12 (2.18%) SNMP
13 11 (2.00%) Cisco ASA
13 11 (2.00%) IMAP
13 11 (2.00%) SSH
Database & Business Intelligence
1 107 (19.45%) MySQL
2 65 (11.82%) MongoDB
3 58 (10.55%) PostgreSQL
4 49 (8.91%) NoSQL
5 29 (5.27%) SQL Server
6 28 (5.09%) Hadoop
7 25 (4.55%) Relational Database
8 24 (4.36%) Big Data
9 18 (3.27%) Apache Cassandra
10 17 (3.09%) Redis
11 13 (2.36%) HBase
12 10 (1.82%) CouchDB
13 9 (1.64%) MariaDB
14 8 (1.45%) Amazon RDS
15 7 (1.27%) Apache Hive
15 7 (1.27%) Couchbase
15 7 (1.27%) SQL Server 2008
16 6 (1.09%) Oracle Database
17 5 (0.91%) Amazon DynamoDB
17 5 (0.91%) SQL Server 2014
Development Applications
1 179 (32.55%) Jenkins
2 169 (30.73%) Git (software)
3 87 (15.82%) Maven
4 78 (14.18%) JIRA
5 39 (7.09%) Subversion
6 25 (4.55%) Vagrant
7 24 (4.36%) SonarQube
8 23 (4.18%) Atlassian Bamboo
9 21 (3.82%) Selenium
10 20 (3.64%) Gradle
10 20 (3.64%) Sonatype Nexus
11 18 (3.27%) Mocha
12 17 (3.09%) Ant
12 17 (3.09%) Cucumber
13 16 (2.91%) Appium
14 15 (2.73%) Hudson
15 12 (2.18%) IntelliJ
15 12 (2.18%) TeamCity
16 11 (2.00%) Artifactory
16 11 (2.00%) Geb
General
1 40 (7.27%) Finance
2 19 (3.45%) Games
3 16 (2.91%) Retail
4 12 (2.18%) Telecoms
5 9 (1.64%) Marketing
6 8 (1.45%) Manufacturing
7 7 (1.27%) Electronics
8 4 (0.73%) Banking
9 3 (0.55%) Pharmaceutical
9 3 (0.55%) Publishing
9 3 (0.55%) Spanish Language
10 2 (0.36%) Advertising
10 2 (0.36%) Back Office
11 1 (0.18%) Financial Institution
11 1 (0.18%) Local Government
Job Titles
1 212 (38.55%) DevOps Engineer
2 153 (27.82%) Linux Engineer
3 88 (16.00%) Linux/Unix DevOps
4 76 (13.82%) Linux DevOps Engineer
5 50 (9.09%) Administrator
6 45 (8.18%) Developer
7 37 (6.73%) Linux Administrator
7 37 (6.73%) Senior Linux Engineer
8 34 (6.18%) AWS Engineer
9 32 (5.82%) Operations Engineer
9 32 (5.82%) Systems Administrator
10 29 (5.27%) Systems Engineer
11 28 (5.09%) Consultant
11 28 (5.09%) Senior DevOps Engineer
12 25 (4.55%) Linux Systems Administrator
13 23 (4.18%) Linux Systems Engineer
14 22 (4.00%) Infrastructure Engineer
15 20 (3.64%) Architect
15 20 (3.64%) Automation Engineer
15 20 (3.64%) Cloud Engineer
Libraries, Frameworks & Software Standards
1 66 (12.00%) LAMP
2 64 (11.64%) Web Services
3 38 (6.91%) ELK Stack
4 36 (6.55%) RESTful
5 29 (5.27%) MCollective
6 25 (4.55%) LAPP Stack
7 22 (4.00%) RabbitMQ
8 19 (3.45%) HTML
8 19 (3.45%) jQuery
8 19 (3.45%) Sensu
9 16 (2.91%) Chai
9 16 (2.91%) J2EE
10 15 (2.73%) Apache Camel
10 15 (2.73%) CSS
11 14 (2.55%) Kafka
11 14 (2.55%) LEMP Stack
11 14 (2.55%) Spring
12 13 (2.36%) SOAP
13 12 (2.18%) Dropwizard
13 12 (2.18%) XML
Miscellaneous
1 24 (4.36%) Data Centre
1 24 (4.36%) Private Cloud
2 13 (2.36%) Management Information System
3 12 (2.18%) Wiki
4 10 (1.82%) Digital Media
4 10 (1.82%) Mobile App
4 10 (1.82%) PlayStation
5 9 (1.64%) Public Cloud
6 8 (1.45%) Algorithms
6 8 (1.45%) Analytical Skills
6 8 (1.45%) Derivative
7 7 (1.27%) Data Structures
7 7 (1.27%) User Experience
8 6 (1.09%) Enterprise Software
9 5 (0.91%) Clustering
9 5 (0.91%) Enterprise Cloud
9 5 (0.91%) PKI
9 5 (0.91%) Statistics
10 4 (0.73%) Blog
10 4 (0.73%) NHS
Operating Systems
1 550 (100.00%) Linux
2 245 (44.55%) Red Hat Enterprise Linux
3 217 (39.45%) Ubuntu
4 134 (24.36%) Windows
5 92 (16.73%) Unix
6 39 (7.09%) Debian
7 37 (6.73%) Windows Server
8 35 (6.36%) Windows Server 2008
9 34 (6.18%) Fedora
10 29 (5.27%) Solaris
10 29 (5.27%) Windows Server 2012
11 21 (3.82%) SUSE
12 20 (3.64%) AIX
12 20 (3.64%) Windows Server 2003
13 11 (2.00%) Mac OS X
14 8 (1.45%) Windows 7
15 7 (1.27%) Mac OS
16 5 (0.91%) Windows Mobile
17 4 (0.73%) Windows 8
18 3 (0.55%) Data ONTAP
Processes & Methodologies
1 304 (55.27%) DevOps
2 216 (39.27%) Agile Software Development
3 186 (33.82%) Configuration Management
4 151 (27.45%) Continuous Integration
5 91 (16.55%) Scrum
6 67 (12.18%) Open Source
7 54 (9.82%) Build Automation
8 51 (9.27%) Continuous Delivery
9 35 (6.36%) ITIL
10 29 (5.27%) TDD
11 28 (5.09%) High Availability
12 27 (4.91%) E-Commerce
13 23 (4.18%) Load Balancing
13 23 (4.18%) Microservices
13 23 (4.18%) Service Management
14 20 (3.64%) Migration
15 19 (3.45%) SDLC
15 19 (3.45%) Service Delivery
15 19 (3.45%) SOA
16 18 (3.27%) Kanban
Programming Languages
1 202 (36.73%) Bash Shell
2 190 (34.55%) Java
3 166 (30.18%) Python
4 123 (22.36%) Ruby
5 115 (20.91%) Perl
6 77 (14.00%) PHP
7 56 (10.18%) SQL
8 49 (8.91%) JavaScript
9 42 (7.64%) Shell Script
10 28 (5.09%) PowerShell
11 13 (2.36%) Groovy
12 12 (2.18%) C
13 11 (2.00%) C++
14 9 (1.64%) Korn
15 7 (1.27%) AWK
15 7 (1.27%) Scala
15 7 (1.27%) sed
16 6 (1.09%) C#
17 3 (0.55%) Go
17 3 (0.55%) PL/SQL
Qualifications
1 122 (22.18%) Security Cleared
2 105 (19.09%) SC Cleared
3 21 (3.82%) Degree
4 18 (3.27%) RHCE
5 15 (2.73%) Cisco Certification
6 12 (2.18%) CCNA
6 12 (2.18%) DV Cleared
7 11 (2.00%) CCNP
8 8 (1.45%) BPSS Clearance
8 8 (1.45%) MCSE
8 8 (1.45%) Microsoft Certification
9 5 (0.91%) AWS Certification
9 5 (0.91%) VMware Certified Professional (VCP)
10 4 (0.73%) VCP5
11 3 (0.55%) MCTS
12 2 (0.36%) BC Cleared
12 2 (0.36%) CCDA
12 2 (0.36%) CCSA
12 2 (0.36%) CCSE
12 2 (0.36%) RHCT
Quality Assurance & Compliance
1 11 (2.00%) SLA
2 10 (1.82%) ISO/IEC 27001
2 10 (1.82%) QA
3 9 (1.64%) Disclosure Scotland
4 7 (1.27%) PCI DSS
5 1 (0.18%) HMG Security Policy Framework
System Software
1 136 (24.73%) VMware Infrastructure
2 87 (15.82%) Docker
3 57 (10.36%) Active Directory
4 46 (8.36%) vSphere
5 36 (6.55%) KVM
6 26 (4.73%) vCloud
7 23 (4.18%) Samba
8 22 (4.00%) NFS
8 22 (4.00%) VMware ESXi
9 17 (3.09%) Hyper-V
10 13 (2.36%) iptables
11 10 (1.82%) Squid
12 8 (1.45%) Sendmail
13 7 (1.27%) StorNext
13 7 (1.27%) Xen
14 6 (1.09%) Dovecot
14 6 (1.09%) Postfix
14 6 (1.09%) VMware Server
15 5 (0.91%) SpamAssassin
15 5 (0.91%) XenServer
Systems Management
1 271 (49.27%) Puppet
2 120 (21.82%) Ansible
3 97 (17.64%) Opscode Chef
4 71 (12.91%) Nagios
5 50 (9.09%) ZABBIX
6 34 (6.18%) logstash
7 33 (6.00%) Salt
8 28 (5.09%) HAProxy
9 24 (4.36%) Graphite
9 24 (4.36%) Terraform
10 20 (3.64%) Kibana
11 18 (3.27%) Cacti
12 14 (2.55%) Packer
13 13 (2.36%) Zenoss
14 11 (2.00%) Kubernetes
14 11 (2.00%) OVSD
15 10 (1.82%) Rundeck
15 10 (1.82%) SCOM
15 10 (1.82%) vRealize
15 10 (1.82%) Xymon
Vendors
1 261 (47.45%) Red Hat
2 192 (34.91%) VMware
3 71 (12.91%) Microsoft
4 48 (8.73%) Oracle
5 47 (8.55%) Cisco
6 43 (7.82%) Atlassian
7 28 (5.09%) HP
8 25 (4.55%) NetApp
9 23 (4.18%) EMC
10 18 (3.27%) Splunk
11 17 (3.09%) Google
12 16 (2.91%) Dell
13 15 (2.73%) IBM
14 13 (2.36%) New Relic
15 10 (1.82%) Juniper
15 10 (1.82%) Zend
16 8 (1.45%) ServiceNow
16 8 (1.45%) Sonatype
17 7 (1.27%) Black Duck
17 7 (1.27%) Veracode
London
Salt
Rate: £450 - £500 per day
Posted: Yesterday
North West England
Amoria Bond
Rate: £400 - £450 per day
Posted: 2 days ago
Nottingham, Nottinghamshire
Opus Recruitment Solutions Ltd
Rate: £275 - £300 per day
Posted: 2 days ago
Farnborough, Hampshire
Experis Ltd
Posted: 5 days ago
Tyne and Wear
Explore Recruitment Solutions
Rate: £275 - £375 per day
Posted: 5 days ago
Leeds, West Yorkshire
Connectus
Rate: £250 - £325 per day
Posted: 5 days ago
London
Digitech Resourcing Ltd
Rate: From £500 to £620 per day
Posted: 6 days ago
Central London / West End
Digitech Resourcing Ltd
Rate: Up to £550 per day
Posted: 6 days ago
Leeds, West Yorkshire
Connectus
Rate: £400 - £450 per day
Posted: 6 days ago
London
Linux Recruit
Rate: From £500 to £500 per day
Posted: 6 days ago
Holborn, London
Reed Business Information
Posted: 7 days ago
South East London
People Source Consulting
Rate: £500 - £600 per day
Posted: 8 days ago
Coventry
Real Staffing
Rate: £425 - £450 per day + competitive
Posted: 8 days ago
Merseyside
Robert Walters UK
Rate: Competitive Market Day Rates
Posted: 17 days ago
London
Real Staffing
Rate: £375 - £500 per day
Posted: 23 days ago
Fleet Street & Croydon
InfoURGE Technologies
Rate: Market Rate
Posted: 27 days ago
Fleet Street & Croydon
InfoURGE Technologies
Rate: Market Rate
Posted: 27 days ago