The table below looks at the statistics for CentOS skills in IT contracts advertised for the England region. Included is a guide to the average contractor rates offered in IT contracts that have cited CentOS over the 3 months to 13 February 2016 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
13 Feb 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 325 345 478
Rank change year-on-year
+20 +133
Contract jobs citing CentOS 279 253 93
As % of all contract IT jobs located in England 0.60% 0.54% 0.20%
As % of the Operating Systems category 2.83% 2.38% 0.92%
Number of daily rates quoted 191 172 62
Average daily rate £450 £425 £400
Average daily rate % change year-on-year
+5.88% +6.25%
90% offered a daily rate of more than £338 £245 £301
10% offered a daily rate of more than £550 £525 £463
UK excluding London average daily rate £450 £345 £400
% change year-on-year
+30.43% -13.75%
Number of hourly rates quoted 3 1 0
Average hourly rate £50.00 £47.50 -
Average hourly rate % change year-on-year
+5.26% -
UK excluding London average hourly rate - £47.50 -
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
9871 10617 10153
As % of all contract IT jobs located in England 21.24% 22.81% 22.36%
Number of daily rates quoted 6060 6198 5620
Average daily rate £378 £375 £350
Average daily rate % change year-on-year
+0.84% +7.14%
90% offered a daily rate of more than £185 £175 £150
10% offered a daily rate of more than £550 £525 £500
UK excluding London average daily rate £350 £333 £310
% change year-on-year
+5.10% +7.41%
Number of hourly rates quoted 704 862 952
Average hourly rate £17.00 £16.41 £16.00
Average hourly rate % change year-on-year
+3.59% +2.56%
90% offered a hourly rate of more than £11.50 £11.00 £11.00
10% offered a hourly rate of more than £46.00 £37.50 £32.50
UK excluding London average hourly rate £17.00 £16.00 £15.00
% change year-on-year
+6.25% +6.66%

CentOS
Jobs Demand Trend in England

This chart provides a 3-month moving total of IT contractor jobs citing CentOS across the England region as a proportion of the total demand within 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 13 February 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 average contractor rates quoted in IT jobs citing CentOS within the England region over the 3 months to 13 February 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
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Average
Daily Rate
Last 3 Months
Average Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London +25 161 £463 +2.77% 58
South East +14 45 £448 +37.69% 30
Yorkshire +8 40 £450 +97.80% 8
North West 0 13 £400 +45.45% 10
South West -29 11 £375 -6.25% 7
North East -20 5 £500 +66.66% 2
East of England -6 2 £360 +2.85% 4
East Midlands -9 1 £450 +12.50% 3
CentOS
UK

CentOS
Top 30 Related IT Skills in England

For the 6 months to 13 February 2016, IT contractor jobs across the England 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.

1 479 (85.08%) Linux
2 295 (52.40%) Puppet
3 281 (49.91%) DevOps
4 274 (48.67%) Agile Software Development
5 273 (48.49%) Red Hat Enterprise Linux
6 266 (47.25%) Java
7 257 (45.65%) Ubuntu
8 245 (43.52%) Bash Shell
9 231 (41.03%) Jenkins
10 226 (40.14%) Git (software)
11 224 (39.79%) VMware
12 214 (38.01%) Red Hat
13 198 (35.17%) Continuous Integration
14 188 (33.39%) Configuration Management
15 172 (30.55%) VMware Infrastructure
16 161 (28.60%) Maven
17 152 (27.00%) Ruby
17 152 (27.00%) Python
18 134 (23.80%) Scrum
18 134 (23.80%) Amazon AWS
19 130 (23.09%) Security Cleared
20 112 (19.89%) SC Cleared
21 111 (19.72%) Perl
22 106 (18.83%) Apache
23 101 (17.94%) Build Automation
24 99 (17.58%) Unix
25 98 (17.41%) MySQL
26 95 (16.87%) Opscode Chef
26 95 (16.87%) Ansible
27 94 (16.70%) PostgreSQL

CentOS
Top Related IT Skills in England by Category

For the 6 months to 13 February 2016, IT contractor jobs across the England 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
1 106 (18.83%) Apache
2 93 (16.52%) Tomcat
3 67 (11.90%) nginx
4 63 (11.19%) Confluence
5 53 (9.41%) OpenStack
6 38 (6.75%) JBoss
6 38 (6.75%) WebSphere
7 26 (4.62%) WebSphere Application Server
8 23 (4.09%) Elasticsearch
8 23 (4.09%) Node.js
8 23 (4.09%) WebSphere Process Server
9 14 (2.49%) Jetty
10 11 (1.95%) Apache Spark
11 9 (1.60%) Alfresco
11 9 (1.60%) IIS
11 9 (1.60%) SAS
12 6 (1.07%) Mule ESB
12 6 (1.07%) WebLogic
13 5 (0.89%) Exchange Server 2010
13 5 (0.89%) MS Exchange
Applications
1 11 (1.95%) MS Excel
2 8 (1.42%) Doxygen
2 8 (1.42%) HipChat
3 7 (1.24%) MS Office
4 5 (0.89%) Adobe Illustrator
4 5 (0.89%) Photoshop
5 2 (0.36%) 3ds Max
5 2 (0.36%) Acrobat
5 2 (0.36%) GIMP
5 2 (0.36%) MS PowerPoint
Business Applications
1 3 (0.53%) Magento
2 2 (0.36%) SAP Oil and Gas
Cloud Services
1 134 (23.80%) Amazon AWS
2 23 (4.09%) Google Cloud Platform
3 19 (3.37%) GitHub
4 17 (3.02%) Microsoft Azure
5 13 (2.31%) Amazon EC2
6 9 (1.60%) AWS CloudFormation
7 4 (0.71%) OpenShift
7 4 (0.71%) PaaS
7 4 (0.71%) SaaS
8 3 (0.53%) Amazon ELB
8 3 (0.53%) Amazon S3
8 3 (0.53%) AWS Elastic Beanstalk
8 3 (0.53%) IaaS
8 3 (0.53%) Virtual Private Cloud
9 2 (0.36%) Amazon CloudWatch
9 2 (0.36%) Cloud Computing
9 2 (0.36%) CloudFront
9 2 (0.36%) Google Compute Engine
9 2 (0.36%) MailChimp
9 2 (0.36%) Route 53
Communications & Networking
1 60 (10.66%) TCP/IP
2 56 (9.95%) DNS
3 54 (9.59%) Firewall
4 47 (8.35%) VPN
5 32 (5.68%) HTTP
6 26 (4.62%) iSCSI
7 25 (4.44%) SMTP
8 23 (4.09%) LAN
9 22 (3.91%) LDAP
10 20 (3.55%) SAN
11 19 (3.37%) Internet
12 18 (3.20%) SSL
13 16 (2.84%) IMAP
14 14 (2.49%) DHCP
14 14 (2.49%) SNMP
15 13 (2.31%) Wi-Fi
16 12 (2.13%) BGP
16 12 (2.13%) FTP
17 11 (1.95%) WAN
18 10 (1.78%) VLAN
Database & Business Intelligence
1 98 (17.41%) MySQL
2 94 (16.70%) PostgreSQL
3 86 (15.28%) MongoDB
4 42 (7.46%) Hadoop
5 41 (7.28%) NoSQL
6 26 (4.62%) HBase
6 26 (4.62%) Relational Database
7 24 (4.26%) Big Data
8 19 (3.37%) Apache Cassandra
9 15 (2.66%) CouchDB
9 15 (2.66%) Redis
10 12 (2.13%) Couchbase
11 11 (1.95%) Apache Hive
12 6 (1.07%) Amazon DynamoDB
12 6 (1.07%) MariaDB
13 5 (0.89%) SQL Server
14 4 (0.71%) Amazon RDS
15 3 (0.53%) DB2
15 3 (0.53%) Pentaho
15 3 (0.53%) RDBMS
Development Applications
1 231 (41.03%) Jenkins
2 226 (40.14%) Git (software)
3 161 (28.60%) Maven
4 76 (13.50%) JIRA
5 53 (9.41%) Subversion
6 41 (7.28%) Artifactory
7 34 (6.04%) Selenium
8 32 (5.68%) Cucumber
9 28 (4.97%) IntelliJ
10 25 (4.44%) GitLab
11 24 (4.26%) SonarQube
11 24 (4.26%) Vagrant
12 23 (4.09%) Geb
12 23 (4.09%) Spock
13 22 (3.91%) Gradle
14 21 (3.73%) Hudson
15 20 (3.55%) Atlassian Bamboo
16 18 (3.20%) Mocha
17 16 (2.84%) Gerrit
18 14 (2.49%) Sonatype Nexus
General
1 18 (3.20%) Finance
2 9 (1.60%) Games
2 9 (1.60%) Telecoms
3 4 (0.71%) Local Government
3 4 (0.71%) Spanish Language
4 3 (0.53%) Advertising
4 3 (0.53%) Marketing
5 2 (0.36%) Back Office
5 2 (0.36%) Banking
5 2 (0.36%) Electronics
5 2 (0.36%) Manufacturing
5 2 (0.36%) Retail
6 1 (0.18%) French Language
6 1 (0.18%) German Language
6 1 (0.18%) Legal
Job Titles
1 200 (35.52%) DevOps Engineer
2 95 (16.87%) Linux Engineer
3 90 (15.99%) Developer
4 62 (11.01%) Administrator
4 62 (11.01%) Linux/Unix DevOps
5 55 (9.77%) Operations Engineer
5 55 (9.77%) Systems Administrator
6 47 (8.35%) Linux DevOps Engineer
7 41 (7.28%) Linux Administrator
8 38 (6.75%) Java Developer
9 35 (6.22%) Linux Systems Administrator
10 31 (5.51%) Infrastructure Engineer
11 28 (4.97%) Architect
12 27 (4.80%) Automation Engineer
13 26 (4.62%) Consultant
14 22 (3.91%) Senior Linux Engineer
15 20 (3.55%) SC Cleared Java Developer
16 15 (2.66%) AWS Engineer
16 15 (2.66%) PHP Developer
16 15 (2.66%) Senior Developer
Libraries, Frameworks & Software Standards
1 82 (14.56%) MCollective
2 77 (13.68%) Web Services
3 65 (11.55%) LAMP
4 52 (9.24%) RESTful
5 41 (7.28%) Spring
6 34 (6.04%) LAPP Stack
7 28 (4.97%) jQuery
8 25 (4.44%) HTML
9 24 (4.26%) Apache Camel
9 24 (4.26%) J2EE
9 24 (4.26%) LEMP Stack
9 24 (4.26%) Spring Boot
10 23 (4.09%) Grails
10 23 (4.09%) JAX-RS
11 22 (3.91%) SOAP
12 21 (3.73%) ELK Stack
12 21 (3.73%) RabbitMQ
13 20 (3.55%) AngularJS
14 19 (3.37%) CSS
15 18 (3.20%) Twitter Bootstrap
Miscellaneous
1 17 (3.02%) Private Cloud
2 15 (2.66%) Data Centre
3 10 (1.78%) Analytical Skills
4 9 (1.60%) CCTV
4 9 (1.60%) Management Information System
4 9 (1.60%) SCADA
4 9 (1.60%) User Experience
5 8 (1.42%) Clustering
5 8 (1.42%) Mainframe
6 7 (1.24%) Algorithms
6 7 (1.24%) Mobile App
7 6 (1.07%) Data Structures
7 6 (1.07%) Enterprise Software
7 6 (1.07%) MPEG
7 6 (1.07%) Replication
8 5 (0.89%) Derivative
8 5 (0.89%) Wiki
9 4 (0.71%) Public Cloud
10 3 (0.53%) PlayStation
10 3 (0.53%) W3C
Operating Systems
1 479 (85.08%) Linux
2 273 (48.49%) Red Hat Enterprise Linux
3 257 (45.65%) Ubuntu
4 99 (17.58%) Unix
5 93 (16.52%) Windows
6 38 (6.75%) AIX
7 35 (6.22%) Debian
8 31 (5.51%) Windows Server
9 28 (4.97%) Solaris
10 25 (4.44%) Windows Server 2012
11 20 (3.55%) Windows Server 2008
12 17 (3.02%) SUSE
13 14 (2.49%) Windows 7
14 13 (2.31%) Fedora
15 12 (2.13%) Windows Server 2003
16 10 (1.78%) Mac OS
17 8 (1.42%) Mac OS X Server
18 5 (0.89%) Mac OS X
19 4 (0.71%) VMS
20 3 (0.53%) Windows Mobile
Processes & Methodologies
1 281 (49.91%) DevOps
2 274 (48.67%) Agile Software Development
3 198 (35.17%) Continuous Integration
4 188 (33.39%) Configuration Management
5 134 (23.80%) Scrum
6 101 (17.94%) Build Automation
7 77 (13.68%) Open Source
8 58 (10.30%) TDD
9 53 (9.41%) Continuous Delivery
10 36 (6.39%) Microservices
11 30 (5.33%) High Availability
12 27 (4.80%) Web Operations
13 26 (4.62%) E-Commerce
13 26 (4.62%) Migration
14 23 (4.09%) API Development
15 21 (3.73%) Software Engineering
16 19 (3.37%) ITIL
16 19 (3.37%) SDLC
17 18 (3.20%) Service Delivery
18 17 (3.02%) Load Balancing
Programming Languages
1 266 (47.25%) Java
2 245 (43.52%) Bash Shell
3 152 (27.00%) Python
3 152 (27.00%) Ruby
4 111 (19.72%) Perl
5 75 (13.32%) PHP
6 69 (12.26%) JavaScript
7 42 (7.46%) SQL
8 30 (5.33%) PowerShell
8 30 (5.33%) Shell Script
9 26 (4.62%) Groovy
10 23 (4.09%) C++
11 15 (2.66%) C
12 11 (1.95%) Korn
13 10 (1.78%) Scala
14 5 (0.89%) C#
15 4 (0.71%) VB
16 3 (0.53%) PL/SQL
17 2 (0.36%) ActionScript
17 2 (0.36%) Objective-C
Qualifications
1 130 (23.09%) Security Cleared
2 112 (19.89%) SC Cleared
3 17 (3.02%) Cisco Certification
4 15 (2.66%) DV Cleared
5 12 (2.13%) CCNP
6 11 (1.95%) Degree
7 9 (1.60%) CCNA
8 8 (1.42%) RHCT
9 6 (1.07%) BPSS Clearance
9 6 (1.07%) LPIC
9 6 (1.07%) RHCE
10 5 (0.89%) MCSE
10 5 (0.89%) Microsoft Certification
11 3 (0.53%) AWS Certification
11 3 (0.53%) CEH
12 2 (0.36%) CCSA
12 2 (0.36%) CCSE
12 2 (0.36%) MCTS
12 2 (0.36%) RHCSA
12 2 (0.36%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 18 (3.20%) QA
2 12 (2.13%) Disclosure Scotland
3 11 (1.95%) PCI DSS
4 9 (1.60%) SLA
System Software
1 172 (30.55%) VMware Infrastructure
2 86 (15.28%) Docker
3 48 (8.53%) Active Directory
4 32 (5.68%) KVM
5 31 (5.51%) VMware ESXi
6 28 (4.97%) vSphere
7 21 (3.73%) vCloud
8 19 (3.37%) NFS
9 11 (1.95%) iptables
10 10 (1.78%) QEMU
10 10 (1.78%) Sendmail
10 10 (1.78%) Squid
11 9 (1.60%) Samba
12 7 (1.24%) Dovecot
13 6 (1.07%) oVirt
13 6 (1.07%) RHEV
14 5 (0.89%) FreeRADIUS
14 5 (0.89%) Hyper-V
14 5 (0.89%) Postfix
14 5 (0.89%) Varnish
Systems Management
1 295 (52.40%) Puppet
2 95 (16.87%) Ansible
2 95 (16.87%) Opscode Chef
3 92 (16.34%) ZABBIX
4 77 (13.68%) Nagios
5 35 (6.22%) Salt
6 30 (5.33%) logstash
7 26 (4.62%) Graphite
8 19 (3.37%) HAProxy
8 19 (3.37%) Opsview
9 18 (3.20%) Cacti
10 15 (2.66%) Kibana
11 13 (2.31%) CFEngine
11 13 (2.31%) Terraform
12 10 (1.78%) Zenoss
13 9 (1.60%) Kubernetes
14 8 (1.42%) Rundeck
14 8 (1.42%) yum
15 7 (1.24%) OpenNebula
16 6 (1.07%) Riemann
Vendors
1 224 (39.79%) VMware
2 214 (38.01%) Red Hat
3 45 (7.99%) Microsoft
4 38 (6.75%) Cisco
5 32 (5.68%) Atlassian
6 31 (5.51%) IBM
7 23 (4.09%) Google
7 23 (4.09%) HP
7 23 (4.09%) Oracle
8 20 (3.55%) Dell
9 15 (2.66%) Splunk
10 10 (1.78%) Cloudera
10 10 (1.78%) Twitter
11 8 (1.42%) NetApp
12 7 (1.24%) EMC
12 7 (1.24%) SaltStack
12 7 (1.24%) Sonatype
13 5 (0.89%) Adobe
13 5 (0.89%) Juniper
13 5 (0.89%) New Relic
London
Marcus Donald People
Rate: £500 - £650 per day
Posted: 18 hours ago
West Midlands
Vivid Resourcing
Rate: £500 - 501 per day
Posted: Yesterday
City of London
Arrows Group Ltd
Rate: £500 - £600 per day
Posted: Yesterday
Reading, Berkshire
Venturi
Rate: £420 per day
Posted: Yesterday
Gloucestershire
Experis Ltd
Rate: £7.00 - £7.70 per hour
Posted: Yesterday
Essex
Clearwater People Solutions
Rate: £250 - £300 Per Day
Posted: 2 days ago
West London
Stafford-Sharp Associates
Rate: From £350 to £450 per day
Posted: 2 days ago
London
McGregor Boyall
Rate: £400 - £500 per day
Posted: 2 days ago
London
LA International
Rate: £450 - £500 per day
Posted: 3 days ago
London
Marcus Donald People
Rate: £450 - £550 per day
Posted: 3 days ago
London
Burns Sheehan
Rate: £450 - £475 per day + Excellent Benefits
Posted: 4 days ago
Manchester
Real Staffing
Rate: £400 - £425 per day + competitive
Posted: 4 days ago
London
E-synergy Solutions
Rate: £300 - £400 per day
Posted: 5 days ago
London
Senitor Associates
Rate: £260 - £300 per day
Posted: 5 days ago
Birmingham, West Midlands (County)
Senitor Associates
Rate: £200 - £280 per day
Posted: 5 days ago
London
Vivid Resourcing
Rate: £500 - 600 per day
Posted: 11 days ago
City of London
Computer Futures
Rate: competitive
Posted: 17 days ago
City of London
Computer Futures
Rate: competitive
Posted: 19 days ago
Birmingham
Vivid Resourcing
Rate: £500 - 600 per day
Posted: 22 days ago
City of Westminster
Hays Specialist Recruitment Ltd
Rate: £456.00 per day
Posted: 23 days ago
City of Westminster
Hays Specialist Recruitment Ltd
Rate: £456.00 per day
Posted: 23 days ago
City of London
Computer Futures
Rate: competitive
Posted: 24 days ago