The table below looks at the statistics for CentOS skills in IT contracts advertised across the UK. Included is a guide to the contractor rates offered in IT contracts that have cited CentOS over the 3 months to 24 July 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
24 Jul 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 320 423 374
Rank change year-on-year
+103 -49
Contract jobs citing CentOS 374 231 236
As % of all contract IT jobs located in the UK 0.69% 0.41% 0.44%
As % of the Operating Systems category 3.06% 1.89% 1.95%
Number of daily rates quoted 258 141 173
Median daily rate £463 £400 £375
Median daily rate % change year-on-year
+15.62% +6.66%
90% offered a daily rate of more than £305 £300 £181
10% offered a daily rate of more than £571 £530 £500
UK excluding London median daily rate £425 £340 £350
% change year-on-year
+25.00% -2.85%
Number of hourly rates quoted 5 0 4
Median hourly rate £13.50 - £16.75
90% offered a hourly rate of more than £12.15 - £15.30
10% offered a hourly rate of more than £55.00 - £18.38
UK excluding London median hourly rate £13.50 - £16.75

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

Operating Systems Category
UK
Contract IT job ads with a match in the
Operating Systems category
12206 12231 12107
As % of all contract IT jobs located in the UK 22.56% 21.48% 22.78%
Number of daily rates quoted 7735 7253 6863
Median daily rate £395 £363 £348
Median daily rate % change year-on-year
+8.96% +4.16%
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 £350 £350 £305
% change year-on-year
- +14.75%
Number of hourly rates quoted 614 939 1030
Median hourly rate £16.50 £17.00 £15.00
Median hourly rate % change year-on-year
-2.94% +13.33%
90% offered a hourly rate of more than £11.25 £11.00 £11.00
10% offered a hourly rate of more than £42.00 £40.00 £29.75
UK excluding London median hourly rate £16.50 £16.50 £15.00
% change year-on-year
- +10.00%

CentOS
Jobs Demand Trend

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

CentOS Jobs Demand Trend in the UK

CentOS
Daily Rate Trend

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

CentOS Daily Rate Trend in the UK

CentOS
Daily Rate Histogram

This chart provides a histogram of daily rates quoted in contract IT jobs citing CentOS within the UK over the 3 months to 24 July 2016.

CentOS Daily Rate Histogram in the UK

CentOS
Hourly Rate Trend

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

CentOS Hourly Rate Trend in the UK

CentOS
Hourly Rate Histogram

This chart provides a histogram of hourly rates quoted in contract IT jobs citing CentOS within the UK over the 3 months to 24 July 2016.

CentOS Hourly Rate Histogram in the UK

CentOS
Top 30 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the UK over the 3 months to 24 July 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
England +100 368 £456 +14.06% 86
London +95 208 £509 +13.05% 44
South East +29 58 £431 +7.81% 21
Yorkshire -11 30 £450 +50.00% 1
Hampshire +26 29 £340 -9.03% 9
West Yorkshire -7 25 £450 +50.00%
Leeds -8 25 £450 +50.00%
Croydon -9 16 £490 +10.42% 1
East of England +27 15 £375 +97.36% 3
Portsmouth -6 13 £288 - 1
North West -10 13 £425 -10.52% 5
North East -30 13 £305 -15.86% 1
City of London +46 12 £475 +11.76% 10
Surrey +7 12 £438 +20.68% 5
East Midlands +8 11 £350 -14.00% 7
West Midlands -17 11 £463 +51.02%
South West -9 9 £525 +40.00% 4
Hertfordshire +18 7 £375 - 1
Berkshire +5 7 £450 +24.13% 3
Wiltshire -2 7 £475 +5.55% 1
Tyne and Wear -39 7 £475 +31.03% 1
Newcastle upon Tyne -43 7 £475 +31.03% 1
Lincolnshire - 6 £375 - 4
Durham - 6 £300 -
Harrow - 6 £500 -
Hemel Hempstead - 6 £375 -
Buckinghamshire +16 5 £475 - 2
Manchester -13 5 £500 +150.00% 4
Lincoln - 5 £363 - 3
Woking - 5 £440 - 2

CentOS
Top 30 Related IT Skills

For the 6 months to 24 July 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 with a requirement for CentOS.

1 660 (100.00%) Linux
2 378 (57.27%) DevOps
3 345 (52.27%) Puppet
4 335 (50.76%) Red Hat
5 279 (42.27%) Red Hat Enterprise Linux
6 239 (36.21%) Agile Software Development
7 229 (34.70%) VMware
8 226 (34.24%) Ubuntu
9 222 (33.64%) Jenkins
10 220 (33.33%) Amazon AWS
11 205 (31.06%) Ansible
12 201 (30.45%) Configuration Management
13 191 (28.94%) Bash Shell
14 188 (28.48%) Apache
15 184 (27.88%) Git (software)
16 181 (27.42%) Continuous Integration
17 179 (27.12%) Python
18 174 (26.36%) Security Cleared
19 163 (24.70%) Ruby
20 162 (24.55%) Windows
21 151 (22.88%) Docker
22 148 (22.42%) Perl
23 141 (21.36%) Java
23 141 (21.36%) SC Cleared
24 140 (21.21%) MySQL
25 132 (20.00%) Opscode Chef
26 131 (19.85%) VMware Infrastructure
27 122 (18.48%) PostgreSQL
28 119 (18.03%) JIRA
29 118 (17.88%) PHP

CentOS
Top Related IT Skills 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
1 188 (28.48%) Apache
2 102 (15.45%) Confluence
3 101 (15.30%) OpenStack
4 100 (15.15%) Tomcat
5 49 (7.42%) Elasticsearch
6 39 (5.91%) nginx
7 37 (5.61%) JBoss
8 19 (2.88%) IIS
9 12 (1.82%) Mule ESB
10 10 (1.52%) Cloud Foundry
11 9 (1.36%) Jetty
12 8 (1.21%) WebSphere
12 8 (1.21%) WebSphere Application Server
13 7 (1.06%) Apache Spark
14 6 (0.91%) MS Exchange
15 5 (0.76%) GlassFish
15 5 (0.76%) MediaWiki
15 5 (0.76%) SAS
16 4 (0.61%) Exchange Server 2000
16 4 (0.61%) WildFly
Applications
1 39 (5.91%) HipChat
2 28 (4.24%) MS Excel
3 23 (3.48%) MS Office
4 10 (1.52%) MS Visio
5 1 (0.15%) MS PowerPoint
5 1 (0.15%) MS Project
Business Applications
1 7 (1.06%) SAP Oil and Gas
2 1 (0.15%) Infor M3
Cloud Services
1 220 (33.33%) Amazon AWS
2 30 (4.55%) Amazon EC2
2 30 (4.55%) Microsoft Azure
2 30 (4.55%) PaaS
3 22 (3.33%) GitHub
3 22 (3.33%) IaaS
4 17 (2.58%) Amazon S3
4 17 (2.58%) SaaS
5 14 (2.12%) Google Cloud Platform
6 13 (1.97%) AWS CloudFormation
7 10 (1.52%) Route 53
8 8 (1.21%) AWS Elastic Beanstalk
9 7 (1.06%) Amazon ElastiCache
10 6 (0.91%) Amazon ELB
10 6 (0.91%) OpenShift
11 5 (0.76%) Amazon CloudWatch
11 5 (0.76%) Amazon EMR
11 5 (0.76%) CloudFront
11 5 (0.76%) DigitalOcean
11 5 (0.76%) Google Apps
Communications & Networking
1 118 (17.88%) DNS
2 86 (13.03%) TCP/IP
3 63 (9.55%) Firewall
4 62 (9.39%) VPN
5 45 (6.82%) SAN
6 42 (6.36%) SSH
7 36 (5.45%) LDAP
7 36 (5.45%) OpenLDAP
8 31 (4.70%) OpenVPN
9 29 (4.39%) DHCP
10 23 (3.48%) Internet
10 23 (3.48%) iSCSI
11 21 (3.18%) HTTP
12 20 (3.03%) Cisco Nexus
13 19 (2.88%) SSL
14 18 (2.73%) IPsec
15 17 (2.58%) LAN
15 17 (2.58%) SMTP
15 17 (2.58%) WAN
16 16 (2.42%) Fibre Channel
Database & Business Intelligence
1 140 (21.21%) MySQL
2 122 (18.48%) PostgreSQL
3 76 (11.52%) MongoDB
4 62 (9.39%) NoSQL
5 59 (8.94%) Hadoop
6 33 (5.00%) SQL Server
7 24 (3.64%) Redis
8 20 (3.03%) Relational Database
9 17 (2.58%) Big Data
10 13 (1.97%) Amazon RDS
11 10 (1.52%) HBase
11 10 (1.52%) SQL Server 2008
12 9 (1.36%) Apache Cassandra
13 8 (1.21%) SQL Server 2014
14 7 (1.06%) MariaDB
15 6 (0.91%) Oracle Database
16 4 (0.61%) RDBMS
17 3 (0.45%) Amazon DynamoDB
17 3 (0.45%) Couchbase
17 3 (0.45%) DB2
Development Applications
1 222 (33.64%) Jenkins
2 184 (27.88%) Git (software)
3 119 (18.03%) JIRA
4 75 (11.36%) Maven
5 58 (8.79%) Sonatype Nexus
6 54 (8.18%) Subversion
7 46 (6.97%) Ant
7 46 (6.97%) SonarQube
8 40 (6.06%) JIRA Agile
9 31 (4.70%) Bitbucket
10 29 (4.39%) JUnit
10 29 (4.39%) Liquibase
11 20 (3.03%) Hudson
12 18 (2.73%) Atlassian Bamboo
13 17 (2.58%) Gradle
14 16 (2.42%) Vagrant
15 14 (2.12%) Artifactory
15 14 (2.12%) Gerrit
15 14 (2.12%) TeamCity
16 12 (1.82%) Mercurial
General
1 47 (7.12%) Finance
2 19 (2.88%) Games
2 19 (2.88%) Retail
3 12 (1.82%) Telecoms
4 9 (1.36%) Marketing
5 8 (1.21%) Back Office
5 8 (1.21%) Manufacturing
5 8 (1.21%) Publishing
6 7 (1.06%) Electronics
7 4 (0.61%) Banking
8 3 (0.45%) Front Office
8 3 (0.45%) Pharmaceutical
9 2 (0.30%) Advertising
10 1 (0.15%) Financial Institution
Job Titles
1 239 (36.21%) DevOps Engineer
2 167 (25.30%) Linux Engineer
3 106 (16.06%) Linux/Unix DevOps
4 80 (12.12%) Linux DevOps Engineer
5 68 (10.30%) Administrator
6 64 (9.70%) AWS DevOps
7 55 (8.33%) AWS Engineer
8 51 (7.73%) Senior DevOps
9 49 (7.42%) Linux Administrator
10 48 (7.27%) Consultant
11 47 (7.12%) Systems Administrator
12 42 (6.36%) Senior DevOps Engineer
13 36 (5.45%) Linux Systems Administrator
13 36 (5.45%) Senior Linux Engineer
14 34 (5.15%) DevOps Consultant
15 32 (4.85%) Developer
16 30 (4.55%) Systems Engineer
17 26 (3.94%) Infrastructure Engineer
18 25 (3.79%) Lead DevOps
19 23 (3.48%) Linux Systems Engineer
Libraries, Frameworks & Software Standards
1 88 (13.33%) LAMP
2 56 (8.48%) Web Services
3 53 (8.03%) ELK Stack
4 35 (5.30%) MCollective
5 34 (5.15%) LAPP Stack
6 31 (4.70%) Software Packaging
7 28 (4.24%) REST
8 25 (3.79%) XML
9 23 (3.48%) RabbitMQ
10 19 (2.88%) LEMP Stack
11 18 (2.73%) J2EE
11 18 (2.73%) jQuery
11 18 (2.73%) SOAP
12 17 (2.58%) Node.js
12 17 (2.58%) RESTful
13 16 (2.42%) JSON
14 11 (1.67%) ActiveMQ
14 11 (1.67%) Apache Camel
14 11 (1.67%) CakePHP
14 11 (1.67%) HTML
Miscellaneous
1 49 (7.42%) Public Cloud
2 36 (5.45%) Data Centre
3 23 (3.48%) Private Cloud
4 22 (3.33%) Wiki
5 19 (2.88%) Enterprise Cloud
6 16 (2.42%) Mobile App
7 15 (2.27%) Clustering
8 13 (1.97%) Management Information System
9 10 (1.52%) Analytical Skills
9 10 (1.52%) Computer Science
9 10 (1.52%) Digital Media
9 10 (1.52%) Enterprise Software
10 9 (1.36%) PlayStation
10 9 (1.36%) Visualisation
11 8 (1.21%) Derivative
12 6 (0.91%) Device Driver
12 6 (0.91%) EMC VNX
12 6 (0.91%) NHS
12 6 (0.91%) Replication
12 6 (0.91%) Virtual Team
Operating Systems
1 660 (100.00%) Linux
2 279 (42.27%) Red Hat Enterprise Linux
3 226 (34.24%) Ubuntu
4 162 (24.55%) Windows
5 95 (14.39%) Unix
6 50 (7.58%) Fedora
7 46 (6.97%) Windows Server
8 38 (5.76%) Solaris
9 37 (5.61%) Debian
10 34 (5.15%) Windows Server 2008
11 31 (4.70%) Windows Server 2012
12 22 (3.33%) Windows Server 2003
13 15 (2.27%) Mac OS X
14 13 (1.97%) CoreOS
15 11 (1.67%) AIX
15 11 (1.67%) SUSE
16 8 (1.21%) Windows 7
17 7 (1.06%) Mac OS
18 5 (0.76%) Android
18 5 (0.76%) Mac OS X Server
Processes & Methodologies
1 378 (57.27%) DevOps
2 239 (36.21%) Agile Software Development
3 201 (30.45%) Configuration Management
4 181 (27.42%) Continuous Integration
5 108 (16.36%) Scrum
6 84 (12.73%) Open Source
7 82 (12.42%) Continuous Delivery
8 65 (9.85%) ITIL
9 60 (9.09%) Service Management
10 46 (6.97%) Workflow
11 45 (6.82%) Load Balancing
12 42 (6.36%) SDLC
13 39 (5.91%) High Availability
14 36 (5.45%) Software Engineering
15 32 (4.85%) Coaching
15 32 (4.85%) Identity Management
16 29 (4.39%) Migration
16 29 (4.39%) SOA
17 28 (4.24%) E-Commerce
18 27 (4.09%) Case Management
Programming Languages
1 191 (28.94%) Bash Shell
2 179 (27.12%) Python
3 163 (24.70%) Ruby
4 148 (22.42%) Perl
5 141 (21.36%) Java
6 118 (17.88%) PHP
7 72 (10.91%) Shell Script
8 64 (9.70%) SQL
9 39 (5.91%) JavaScript
10 28 (4.24%) PowerShell
11 19 (2.88%) Groovy
12 17 (2.58%) C
13 14 (2.12%) C++
14 9 (1.36%) Korn
15 7 (1.06%) AWK
15 7 (1.06%) sed
16 6 (0.91%) C#
17 3 (0.45%) Go
17 3 (0.45%) Scala
18 2 (0.30%) PL/SQL
Qualifications
1 174 (26.36%) Security Cleared
2 141 (21.36%) SC Cleared
3 32 (4.85%) Degree
4 29 (4.39%) Cisco Certification
5 25 (3.79%) BPSS Clearance
5 25 (3.79%) RHCE
6 20 (3.03%) CCNP
7 18 (2.73%) CCNA
8 17 (2.58%) CTC Cleared
9 10 (1.52%) DV Cleared
10 9 (1.36%) Microsoft Certification
11 7 (1.06%) MCSE
11 7 (1.06%) VMware Certified Professional (VCP)
12 5 (0.76%) AWS Certification
13 4 (0.61%) PRINCE2 Certification
13 4 (0.61%) VCP5
14 3 (0.45%) MCTS
15 2 (0.30%) CEH
15 2 (0.30%) RHCA
15 2 (0.30%) RHCT
Quality Assurance & Compliance
1 22 (3.33%) QA
2 18 (2.73%) Disclosure Scotland
3 11 (1.67%) ISO/IEC 27001
4 4 (0.61%) SLA
5 2 (0.30%) PCI DSS
6 1 (0.15%) HMG Security Policy Framework
System Software
1 151 (22.88%) Docker
2 131 (19.85%) VMware Infrastructure
3 73 (11.06%) Active Directory
3 73 (11.06%) vCloud
4 58 (8.79%) vSphere
5 49 (7.42%) Virtual Machines
6 45 (6.82%) Squid
7 41 (6.21%) KVM
7 41 (6.21%) Postfix
8 33 (5.00%) Samba
9 26 (3.94%) iptables
9 26 (3.94%) VMware ESXi
10 25 (3.79%) Hyper-V
11 22 (3.33%) NFS
12 11 (1.67%) Xen
13 10 (1.52%) XenServer
14 9 (1.36%) VMware Server
15 8 (1.21%) Dovecot
15 8 (1.21%) Sendmail
16 7 (1.06%) VirtualBox
Systems Management
1 345 (52.27%) Puppet
2 205 (31.06%) Ansible
3 132 (20.00%) Opscode Chef
4 85 (12.88%) Nagios
5 84 (12.73%) Kubernetes
6 73 (11.06%) Terraform
7 70 (10.61%) ZABBIX
8 61 (9.24%) logstash
9 57 (8.64%) Kibana
10 44 (6.67%) Salt
11 39 (5.91%) HAProxy
12 31 (4.70%) Rancher
13 17 (2.58%) SCCM
13 17 (2.58%) Zenoss
14 15 (2.27%) Rundeck
15 14 (2.12%) Cacti
15 14 (2.12%) Packer
16 13 (1.97%) Icinga
17 12 (1.82%) vRealize
18 11 (1.67%) Grafana
Vendors
1 335 (50.76%) Red Hat
2 229 (34.70%) VMware
3 84 (12.73%) Oracle
4 76 (11.52%) Microsoft
5 71 (10.76%) Atlassian
6 56 (8.48%) Cisco
7 41 (6.21%) Sonatype
8 33 (5.00%) EMC
9 31 (4.70%) HP
10 26 (3.94%) NetApp
11 24 (3.64%) Dell
12 19 (2.88%) Google
13 17 (2.58%) Citrix
13 17 (2.58%) New Relic
14 15 (2.27%) Splunk
15 12 (1.82%) Black Duck
15 12 (1.82%) Veracode
16 11 (1.67%) Apple
16 11 (1.67%) F5
16 11 (1.67%) SaltStack
North West London
Vantage Recruitment Solutions Ltd
Rate: Up to £500 per day
Posted: 2 days ago
Wiltshire
Opus Recruitment Solutions Ltd
Rate: £450 - £550 per day
Posted: 2 days ago
London
E-synergy Solutions
Rate: £550 per day
Posted: 3 days ago
North West England
Amoria Bond
Rate: £0.00 per annum
Posted: 5 days ago
Essex
X4 Group
Rate: £350 - 400 per day
Posted: 4 days ago
City, London
Stratospherec
Rate: From £500 to £600 per day
Posted: 3 days ago
Lincoln, Lincolnshire
The Bridge Ltd
Rate: Market Rates
Posted: 3 days ago
City of London
Computer Futures
Rate: competitive
Posted: 3 days ago
Croydon, Surrey
E-synergy Solutions
Rate: £450 - £500 per day
Posted: 3 days ago
Lincoln, Lincolnshire
QUANTICA
Rate: £300 - £500 per day
Posted: 4 days ago
City, London
Vantage Recruitment Solutions Ltd
Rate: £500 per day
Posted: 5 days ago
Central London / West End
Intelletec
Rate: From £550 to £600 per day
Posted: 3 days ago
East London
Capita Resourcing - IT Resourcing
Rate: £520 - £560 per day
Posted: 6 days ago
London
Careerwise UK Limited
Rate: £550 - £600 per day
Posted: 4 days ago
Lincoln
Nigel Frank International
Rate: £350 - £400 per day
Posted: 5 days ago
Lincolnshire
Nigel Frank International Ltd
Rate: £350 - £450 per annum
Posted: 4 days ago
Woking, Surrey
Venturi
Rate: £400 - £500 per day
Posted: 6 days ago
Essex
People Source Consulting
Rate: £450 - £650 per day
Posted: 6 days ago
London
LA International
Rate: £400 - £610 per day + negotiable
Posted: 4 days ago
London
Testing Circle Ltd
Rate: £0.00 per annum
Posted: 6 days ago
Bolton, Lancashire
Kingfisher Consultancy
Rate: £320 - £350 per day + onsite parking
Posted: 5 days ago
Stevenage, Hertfordshire
Sogeti
Rate: Competitive Day Rate
Posted: 18 days ago