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 1 October 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
1 Oct 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 258 402 383
Rank change year-on-year
+144 -19
Contract jobs citing CentOS 429 246 252
As % of all contract IT jobs located in England 0.88% 0.47% 0.48%
As % of the Operating Systems category 4.15% 2.19% 2.13%
Number of daily rates quoted 284 157 181
Median daily rate £450 £425 £400
Median daily rate % change year-on-year
+5.88% +6.25%
90% offered a daily rate of more than £325 £300 £250
10% offered a daily rate of more than £575 £500 £500
UK excluding London median daily rate £425 £398 £375
% change year-on-year
+6.91% +6.00%
Number of hourly rates quoted 3 2 0
Median hourly rate £13.50 £36.00 -
Median hourly rate % change year-on-year
-62.50% -
UK excluding London median hourly rate £13.50 £36.00 -
% change year-on-year
-62.50% -
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
10333 11247 11805
As % of all contract IT jobs located in England 21.12% 21.41% 22.29%
Number of daily rates quoted 6612 6718 6967
Median daily rate £400 £375 £350
Median daily rate % change year-on-year
+6.66% +7.14%
90% offered a daily rate of more than £200 £175 £170
10% offered a daily rate of more than £550 £525 £510
UK excluding London median daily rate £350 £350 £325
% change year-on-year
- +7.69%
Number of hourly rates quoted 573 886 1043
Median hourly rate £16.50 £16.50 £16.04
Median hourly rate % change year-on-year
- +2.86%
90% offered a hourly rate of more than £11.25 £11.50 £11.00
10% offered a hourly rate of more than £42.50 £40.00 £35.00
UK excluding London median hourly rate £15.50 £16.50 £16.50
% change year-on-year
-6.06% -

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 1 October 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 1 October 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 +98 272 £500 +17.64% 38
South East +22 45 £438 +6.06% 39
Yorkshire +18 30 £314 -26.17% 1
North West +28 24 £425 +21.42% 14
East Midlands +3 16 £400 - 3
South West +19 13 £463 +2.77% 12
East of England +15 13 £400 +56.86% 5
North East -13 11 £425 -10.52%
West Midlands -12 7 £475 +31.03%
CentOS
UK

CentOS
Top 30 Related IT Skills in England

For the 6 months to 1 October 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.

1 733 (100.00%) Linux
2 451 (61.53%) DevOps
3 391 (53.34%) Puppet
4 332 (45.29%) Red Hat
5 298 (40.65%) Agile Software Development
6 296 (40.38%) VMware
7 292 (39.84%) Jenkins
8 291 (39.70%) Ansible
9 285 (38.88%) Red Hat Enterprise Linux
10 277 (37.79%) Amazon AWS
11 255 (34.79%) Ubuntu
12 251 (34.24%) Configuration Management
13 247 (33.70%) Apache
14 239 (32.61%) Docker
15 233 (31.79%) Continuous Integration
16 231 (31.51%) Ruby
17 230 (31.38%) Git (software)
18 217 (29.60%) Python
19 212 (28.92%) Security Cleared
20 200 (27.29%) PostgreSQL
21 196 (26.74%) Bash Shell
22 183 (24.97%) SC Cleared
23 177 (24.15%) Scrum
24 167 (22.78%) DNS
25 166 (22.65%) JIRA
26 154 (21.01%) Perl
27 152 (20.74%) Opscode Chef
28 151 (20.60%) MySQL
29 150 (20.46%) Confluence
30 146 (19.92%) Continuous Delivery

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
1 247 (33.70%) Apache
2 150 (20.46%) Confluence
3 115 (15.69%) Tomcat
4 84 (11.46%) Elasticsearch
5 79 (10.78%) OpenStack
6 56 (7.64%) nginx
7 32 (4.37%) JBoss
8 28 (3.82%) Mule ESB
9 26 (3.55%) Jetty
10 24 (3.27%) WildFly
11 20 (2.73%) IIS
12 13 (1.77%) MS Exchange
13 11 (1.50%) Cloud Foundry
14 8 (1.09%) Apache Spark
14 8 (1.09%) SAS
14 8 (1.09%) WebSphere
15 6 (0.82%) Exchange Server 2010
15 6 (0.82%) GlassFish
16 5 (0.68%) MediaWiki
16 5 (0.68%) WebSphere Application Server
Applications
1 84 (11.46%) HipChat
2 21 (2.86%) MS Excel
3 18 (2.46%) MS Office
4 10 (1.36%) MS Visio
5 1 (0.14%) Adobe Creative Suite
Business Applications
1 6 (0.82%) SAP Oil and Gas
2 1 (0.14%) Infor M3
Cloud Services
1 277 (37.79%) Amazon AWS
2 49 (6.68%) GitHub
3 34 (4.64%) Microsoft Azure
4 26 (3.55%) Amazon EC2
5 22 (3.00%) PaaS
6 21 (2.86%) IaaS
7 20 (2.73%) Amazon S3
8 15 (2.05%) Route 53
9 14 (1.91%) Google Cloud Platform
10 12 (1.64%) DigitalOcean
11 11 (1.50%) Amazon ElastiCache
12 9 (1.23%) AWS CloudFormation
13 7 (0.95%) SaaS
14 5 (0.68%) Amazon CloudWatch
14 5 (0.68%) Amazon ELB
14 5 (0.68%) G Suite
14 5 (0.68%) Virtual Private Cloud
15 4 (0.55%) Amazon EMR
15 4 (0.55%) AWS Elastic Beanstalk
15 4 (0.55%) Heroku
Communications & Networking
1 167 (22.78%) DNS
2 93 (12.69%) SSH
3 88 (12.01%) Firewall
4 87 (11.87%) OpenLDAP
5 85 (11.60%) VPN
6 81 (11.05%) OpenVPN
7 61 (8.32%) TCP/IP
8 47 (6.41%) LDAP
9 45 (6.14%) SAN
10 34 (4.64%) DHCP
11 31 (4.23%) Reverse Proxy
12 26 (3.55%) SSL
13 25 (3.41%) HTTP
14 24 (3.27%) Internet
15 22 (3.00%) DMZ
15 22 (3.00%) iSCSI
16 17 (2.32%) Cisco Nexus
16 17 (2.32%) Network Security
17 16 (2.18%) SMTP
18 15 (2.05%) WAN
Database & Business Intelligence
1 200 (27.29%) PostgreSQL
2 151 (20.60%) MySQL
3 108 (14.73%) Hadoop
4 67 (9.14%) NoSQL
5 63 (8.59%) MongoDB
6 28 (3.82%) Redis
7 27 (3.68%) SQL Server
8 17 (2.32%) Amazon RDS
9 16 (2.18%) Big Data
10 13 (1.77%) Relational Database
11 10 (1.36%) SQL Server 2008
12 8 (1.09%) SQL Server 2014
13 7 (0.95%) Apache Cassandra
14 5 (0.68%) Amazon DynamoDB
14 5 (0.68%) MariaDB
14 5 (0.68%) SQL Server 2012
15 4 (0.55%) HBase
15 4 (0.55%) RDBMS
16 3 (0.41%) Data Lake
16 3 (0.41%) Oracle Database 12c
Development Applications
1 292 (39.84%) Jenkins
2 230 (31.38%) Git (software)
3 166 (22.65%) JIRA
4 122 (16.64%) Maven
5 113 (15.42%) Sonatype Nexus
6 97 (13.23%) JIRA Agile
7 95 (12.96%) Ant
7 95 (12.96%) SonarQube
8 81 (11.05%) Bitbucket
9 79 (10.78%) JUnit
10 78 (10.64%) Liquibase
11 54 (7.37%) Subversion
12 34 (4.64%) Gerrit
13 32 (4.37%) GitLab
13 32 (4.37%) Mercurial
14 27 (3.68%) Hudson
15 21 (2.86%) Vagrant
16 18 (2.46%) Artifactory
17 17 (2.32%) Gradle
18 15 (2.05%) Atlassian Bamboo
General
1 41 (5.59%) Finance
2 18 (2.46%) Back Office
3 16 (2.18%) Retail
4 13 (1.77%) Publishing
5 12 (1.64%) Telecoms
6 8 (1.09%) Legal
6 8 (1.09%) Manufacturing
7 7 (0.95%) Marketing
8 6 (0.82%) Electronics
8 6 (0.82%) Front Office
9 5 (0.68%) Games
10 3 (0.41%) Advertising
10 3 (0.41%) Banking
11 1 (0.14%) Billing
11 1 (0.14%) Financial Institution
11 1 (0.14%) Pharmaceutical
Job Titles
1 303 (41.34%) DevOps Engineer
2 137 (18.69%) Linux Engineer
3 100 (13.64%) Linux/Unix DevOps
4 91 (12.41%) Administrator
5 81 (11.05%) AWS DevOps
6 79 (10.78%) Senior DevOps
7 75 (10.23%) Systems Administrator
8 72 (9.82%) Linux DevOps Engineer
9 71 (9.69%) AWS Engineer
10 64 (8.73%) Senior DevOps Engineer
11 63 (8.59%) Linux Administrator
12 53 (7.23%) Linux Systems Administrator
13 51 (6.96%) Consultant
14 42 (5.73%) DevOps Consultant
15 37 (5.05%) Developer
16 35 (4.77%) Continuous Deployment Engineer
17 32 (4.37%) Lead DevOps
18 28 (3.82%) Infrastructure Engineer
19 23 (3.14%) Senior Linux Engineer
20 21 (2.86%) Systems Engineer
Libraries, Frameworks & Software Standards
1 96 (13.10%) LAMP
2 89 (12.14%) ELK Stack
3 85 (11.60%) MCollective
4 83 (11.32%) Software Packaging
5 55 (7.50%) Web Services
6 53 (7.23%) LAPP Stack
7 37 (5.05%) LEMP Stack
8 36 (4.91%) RabbitMQ
9 31 (4.23%) REST
10 24 (3.27%) XML
11 20 (2.73%) Node.js
12 19 (2.59%) jQuery
13 17 (2.32%) J2EE
13 17 (2.32%) JSON
14 15 (2.05%) SOAP
15 14 (1.91%) HTML
16 13 (1.77%) ActiveMQ
17 12 (1.64%) CakePHP
18 11 (1.50%) RESTful
19 10 (1.36%) HTML5
Miscellaneous
1 51 (6.96%) Public Cloud
2 36 (4.91%) Data Centre
3 21 (2.86%) Clustering
4 18 (2.46%) Computer Science
5 16 (2.18%) Enterprise Cloud
6 14 (1.91%) Management Information System
6 14 (1.91%) Private Cloud
7 13 (1.77%) Analytical Skills
7 13 (1.77%) NHS
8 12 (1.64%) Mobile App
8 12 (1.64%) Visualisation
8 12 (1.64%) Wiki
9 10 (1.36%) Digital Media
10 9 (1.23%) Enterprise Software
10 9 (1.23%) Replication
11 8 (1.09%) Derivative
12 7 (0.95%) EMC VNX
12 7 (0.95%) Hybrid Cloud
12 7 (0.95%) PKI
13 6 (0.82%) Hedge funds
Operating Systems
1 733 (100.00%) Linux
2 285 (38.88%) Red Hat Enterprise Linux
3 255 (34.79%) Ubuntu
4 135 (18.42%) Windows
5 89 (12.14%) Unix
6 51 (6.96%) Windows Server
7 45 (6.14%) Fedora
8 39 (5.32%) Debian
9 25 (3.41%) Solaris
10 23 (3.14%) Windows Server 2008
11 18 (2.46%) Windows Server 2012
12 16 (2.18%) CoreOS
13 13 (1.77%) Windows Server 2003
14 12 (1.64%) SUSE
15 10 (1.36%) Mac OS X
16 7 (0.95%) Apple iOS
17 6 (0.82%) Android
18 5 (0.68%) Mac OS X Server
18 5 (0.68%) VMS
18 5 (0.68%) Windows 7
Processes & Methodologies
1 451 (61.53%) DevOps
2 298 (40.65%) Agile Software Development
3 251 (34.24%) Configuration Management
4 233 (31.79%) Continuous Integration
5 177 (24.15%) Scrum
6 146 (19.92%) Continuous Delivery
7 99 (13.51%) Service Management
8 89 (12.14%) Workflow
9 82 (11.19%) Open Source
10 81 (11.05%) Identity Management
11 79 (10.78%) Coaching
12 72 (9.82%) Case Management
13 65 (8.87%) Load Balancing
14 63 (8.59%) ITIL
15 54 (7.37%) Stakeholder Management
16 44 (6.00%) SDLC
17 37 (5.05%) Continuous Deployment
17 37 (5.05%) Migration
18 36 (4.91%) High Availability
19 34 (4.64%) Software Engineering
Programming Languages
1 231 (31.51%) Ruby
2 217 (29.60%) Python
3 196 (26.74%) Bash Shell
4 154 (21.01%) Perl
5 136 (18.55%) Java
6 122 (16.64%) PHP
7 121 (16.51%) Shell Script
8 65 (8.87%) SQL
9 52 (7.09%) JavaScript
10 33 (4.50%) PowerShell
11 23 (3.14%) Groovy
12 16 (2.18%) C
13 12 (1.64%) C++
14 7 (0.95%) Korn
15 6 (0.82%) Go
16 5 (0.68%) AWK
16 5 (0.68%) C#
16 5 (0.68%) sed
17 4 (0.55%) Jython
17 4 (0.55%) PL/SQL
Qualifications
1 212 (28.92%) Security Cleared
2 183 (24.97%) SC Cleared
3 49 (6.68%) BPSS Clearance
4 45 (6.14%) CTC Cleared
5 41 (5.59%) Degree
6 24 (3.27%) Cisco Certification
7 18 (2.46%) CCNP
8 14 (1.91%) RHCE
9 12 (1.64%) CCNA
9 12 (1.64%) DV Cleared
10 11 (1.50%) VMware Certified Professional (VCP)
11 8 (1.09%) Microsoft Certification
12 6 (0.82%) AWS Certification
12 6 (0.82%) BC Cleared
13 5 (0.68%) MCSE
14 4 (0.55%) PRINCE2 Certification
15 2 (0.27%) CCIE
15 2 (0.27%) CEH
15 2 (0.27%) RHCA
15 2 (0.27%) RHCT
Quality Assurance & Compliance
1 38 (5.18%) QA
2 22 (3.00%) Disclosure Scotland
3 11 (1.50%) ISO/IEC 27001
4 7 (0.95%) PCI DSS
5 2 (0.27%) SLA
6 1 (0.14%) HMG Security Policy Framework
System Software
1 239 (32.61%) Docker
2 144 (19.65%) VMware Infrastructure
3 121 (16.51%) vCloud
4 97 (13.23%) Squid
5 90 (12.28%) Postfix
6 70 (9.55%) Active Directory
7 67 (9.14%) Virtual Machines
8 46 (6.28%) vSphere
9 31 (4.23%) Xen
10 28 (3.82%) KVM
11 27 (3.68%) iptables
12 20 (2.73%) Samba
12 20 (2.73%) VMware ESXi
13 18 (2.46%) Hyper-V
13 18 (2.46%) VMware Server
14 17 (2.32%) NFS
15 12 (1.64%) VirtualBox
16 9 (1.23%) Sendmail
17 7 (0.95%) Dovecot
17 7 (0.95%) XenServer
Systems Management
1 391 (53.34%) Puppet
2 291 (39.70%) Ansible
3 152 (20.74%) Opscode Chef
4 137 (18.69%) ZABBIX
5 136 (18.55%) Terraform
6 134 (18.28%) Kubernetes
7 120 (16.37%) logstash
8 114 (15.55%) Kibana
9 87 (11.87%) Nagios
10 83 (11.32%) Rancher
11 57 (7.78%) HAProxy
12 36 (4.91%) Salt
13 20 (2.73%) SCCM
14 19 (2.59%) Grafana
15 16 (2.18%) Icinga
15 16 (2.18%) Rundeck
16 15 (2.05%) Packer
16 15 (2.05%) Zenoss
17 14 (1.91%) vRealize
18 10 (1.36%) Cacti
Vendors
1 332 (45.29%) Red Hat
2 296 (40.38%) VMware
3 123 (16.78%) Atlassian
4 109 (14.87%) Oracle
5 92 (12.55%) Sonatype
6 60 (8.19%) Microsoft
7 46 (6.28%) Cisco
8 25 (3.41%) EMC
9 24 (3.27%) Splunk
10 22 (3.00%) Dell
10 22 (3.00%) HP
11 21 (2.86%) Google
12 17 (2.32%) NetApp
12 17 (2.32%) Rackspace
12 17 (2.32%) SaltStack
13 16 (2.18%) New Relic
14 14 (1.91%) Black Duck
14 14 (1.91%) Citrix
14 14 (1.91%) Veracode
15 11 (1.50%) F5
London
E-synergy Solutions
Rate: £450 - £500 per day
Posted: 16 hours ago
London
Oscar
Rate: £450 - £451 per day
Posted: 18 hours ago
London
onezeero.
Rate: £400 - £425 per day
Posted: 20 hours ago
London
onezeero.
Rate: £400 - £425 per day
Posted: 17 hours ago
London
onezeero.
Rate: £300 - £400 per day
Posted: 19 hours ago
London
Salt
Rate: £500 - £550 per day
Posted: 23 hours ago
South East
Burns Sheehan
Rate: £400 - £460 per day
Posted: Yesterday
Wiltshire
Austin Fraser
Posted: Yesterday
Leeds, West Yorkshire
Blue Personnel
Rate: From £450 to £500 per day
Posted: 4 days ago
Manchester, Lancashire
Oscar
Rate: £500 - £700 per day
Posted: 4 days ago
Croydon, Surrey
LA International
Rate: £500 - £530 per day
Posted: Yesterday
Oxford, Oxfordshire
Opus Recruitment Solutions Ltd
Rate: £375 - £450 per day
Posted: 4 days ago
Croydon, Surrey
LA International
Rate: £575 - £600 per day
Posted: 3 days ago
City, London
Careerwise UK Limited
Rate: £550 - £650 per day
Posted: 4 days ago
London
Careerwise UK Limited
Rate: £550 - £600 per day
Posted: 5 days ago
Croydon, Surrey
LA International
Rate: £500 - £530 per day
Posted: 4 days ago