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 21 February 2017 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
21 Feb 2017
Same period 2016 Same period 2015
CentOS Linux
UK / England
Rank 339 343 368
Rank change year-on-year
+4 +25
Contract jobs citing CentOS 252 286 243
As % of all contract IT jobs located in England 0.60% 0.61% 0.52%
As % of the Operating Systems category 2.97% 2.87% 2.28%
Number of daily rates quoted 193 197 166
Median daily rate £465 £450 £425
Median daily rate % change year-on-year
+3.33% +5.88%
90% offered a daily rate of more than £350 £338 £245
10% offered a daily rate of more than £575 £550 £525
UK excluding London median daily rate £455 £450 £375
% change year-on-year
+1.11% +20.00%
Number of hourly rates quoted 4 4 1
Median hourly rate £16.38 £50.00 £47.50
Median hourly rate % change year-on-year
-67.25% +5.26%
UK excluding London median hourly rate £16.38 £8.50 £47.50
% change year-on-year
+92.64% -82.10%

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
8495 9967 10660
As % of all contract IT jobs located in England 20.32% 21.24% 22.72%
Number of daily rates quoted 5486 6119 6229
Median daily rate £400 £383 £375
Median daily rate % change year-on-year
+4.57% +2.00%
90% offered a daily rate of more than £175 £190 £175
10% offered a daily rate of more than £550 £550 £525
UK excluding London median daily rate £363 £350 £338
% change year-on-year
+3.57% +3.70%
Number of hourly rates quoted 528 687 847
Median hourly rate £16.63 £17.50 £16.50
Median hourly rate % change year-on-year
-5.00% +6.06%
90% offered a hourly rate of more than £11.00 £11.50 £11.00
10% offered a hourly rate of more than £42.55 £47.50 £39.00
UK excluding London median hourly rate £16.00 £17.50 £16.00
% change year-on-year
-8.57% +9.37%

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 21 February 2017.

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 21 February 2017. 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 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 0 150 £468 +1.08% 37
South East +17 53 £475 +6.14% 20
North West +31 19 £400 - 9
West Midlands +8 8 £460 +24.32% 9
East of England +8 7 £500 +81.81% 7
Yorkshire -27 6 £438 -2.77% 11
South West -4 5 £400 - 8
East Midlands +6 1 £160 -64.44% 7
South Coast - 1 £450 -
CentOS
UK

CentOS
Top 30 Related IT Skills in England

For the 6 months to 21 February 2017, 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.

1 625 (100.00%) Linux
2 347 (55.52%) DevOps
3 320 (51.20%) Puppet
4 299 (47.84%) Red Hat Enterprise Linux
5 283 (45.28%) Jenkins
6 267 (42.72%) Ansible
6 267 (42.72%) Red Hat
7 266 (42.56%) Python
8 235 (37.60%) Bash Shell
9 234 (37.44%) Docker
10 220 (35.20%) Amazon AWS
11 218 (34.88%) Ubuntu
12 217 (34.72%) Agile Software Development
13 211 (33.76%) Git (software)
14 207 (33.12%) VMware
15 206 (32.96%) Security Cleared
16 201 (32.16%) Ruby
17 187 (29.92%) Continuous Integration
18 183 (29.28%) Configuration Management
19 177 (28.32%) Java
20 175 (28.00%) SC Cleared
21 159 (25.44%) Apache
22 133 (21.28%) PostgreSQL
23 130 (20.80%) VMware Infrastructure
24 119 (19.04%) Perl
25 117 (18.72%) Scrum
26 113 (18.08%) Opscode Chef
27 112 (17.92%) Terraform
28 111 (17.76%) Windows
29 108 (17.28%) DNS

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
1 159 (25.44%) Apache
2 99 (15.84%) Confluence
3 74 (11.84%) Tomcat
4 71 (11.36%) Elasticsearch
5 68 (10.88%) nginx
6 50 (8.00%) OpenStack
7 29 (4.64%) IIS
7 29 (4.64%) Jetty
8 22 (3.52%) WildFly
9 20 (3.20%) Mule ESB
10 12 (1.92%) WebSphere
11 11 (1.76%) JBoss
12 7 (1.12%) Apache Qpid
12 7 (1.12%) Apache Spark
13 6 (0.96%) SAS
14 5 (0.80%) Apache Pig
14 5 (0.80%) CMS
15 4 (0.64%) Apache Solr
15 4 (0.64%) MS Exchange
16 3 (0.48%) Apache ServiceMix
Applications
1 39 (6.24%) HipChat
2 8 (1.28%) MS Office
3 6 (0.96%) MS Excel
4 2 (0.32%) Adobe Creative Suite
5 1 (0.16%) Adobe Illustrator
5 1 (0.16%) Photoshop
Business Applications
1 6 (0.96%) SAP Oil and Gas
2 4 (0.64%) Infor M3
3 1 (0.16%) IBM Operational Decision Manager
3 1 (0.16%) Magento
Cloud Services
1 220 (35.20%) Amazon AWS
2 45 (7.20%) Amazon EC2
3 44 (7.04%) Microsoft Azure
4 42 (6.72%) GitHub
5 35 (5.60%) Amazon S3
6 30 (4.80%) AWS CloudFormation
7 23 (3.68%) Route 53
8 20 (3.20%) AWS Lambda
9 18 (2.88%) Amazon CloudWatch
9 18 (2.88%) Virtual Private Cloud
10 13 (2.08%) IaaS
11 12 (1.92%) Amazon ELB
12 9 (1.44%) Amazon ElastiCache
12 9 (1.44%) Cloud Computing
12 9 (1.44%) Google Cloud Platform
13 8 (1.28%) Amazon SQS
13 8 (1.28%) AWS CloudTrail
14 7 (1.12%) AWS Elastic Beanstalk
15 6 (0.96%) Azure Active Directory
15 6 (0.96%) CloudFront
Communications & Networking
1 108 (17.28%) DNS
2 94 (15.04%) VPN
3 91 (14.56%) TCP/IP
4 66 (10.56%) Firewall
5 65 (10.40%) SSH
6 54 (8.64%) LDAP
7 47 (7.52%) HTTP
8 42 (6.72%) OpenVPN
9 41 (6.56%) OpenLDAP
10 39 (6.24%) Reverse Proxy
11 38 (6.08%) SSL
12 32 (5.12%) SAN
13 25 (4.00%) IPsec
14 21 (3.36%) SMTP
15 17 (2.72%) Cisco Nexus
16 15 (2.40%) DHCP
16 15 (2.40%) ICMP
17 10 (1.60%) DMZ
17 10 (1.60%) FTP
17 10 (1.60%) Internet
Database & Business Intelligence
1 133 (21.28%) PostgreSQL
2 83 (13.28%) Hadoop
3 82 (13.12%) MySQL
4 57 (9.12%) NoSQL
5 30 (4.80%) Big Data
6 27 (4.32%) Amazon RDS
7 26 (4.16%) SQL Server
8 23 (3.68%) MongoDB
9 21 (3.36%) Oracle Database
10 20 (3.20%) Apache Cassandra
11 17 (2.72%) Amazon DynamoDB
11 17 (2.72%) Relational Database
12 16 (2.56%) MariaDB
13 14 (2.24%) Oracle Database 11g
14 12 (1.92%) Apache Hive
14 12 (1.92%) Redis
15 4 (0.64%) Impala
16 3 (0.48%) MarkLogic
16 3 (0.48%) Riak
16 3 (0.48%) SQL Server 2012
Development Applications
1 283 (45.28%) Jenkins
2 211 (33.76%) Git (software)
3 108 (17.28%) JIRA
4 78 (12.48%) Maven
5 52 (8.32%) Sonatype Nexus
6 48 (7.68%) Bitbucket
6 48 (7.68%) SonarQube
7 47 (7.52%) JIRA Agile
8 46 (7.36%) JUnit
9 42 (6.72%) Ant
10 39 (6.24%) Liquibase
11 31 (4.96%) Atlassian Bamboo
12 30 (4.80%) GitLab
12 30 (4.80%) Subversion
13 29 (4.64%) Vagrant
14 27 (4.32%) Gerrit
15 24 (3.84%) Hudson
16 22 (3.52%) TeamCity
17 21 (3.36%) Mercurial
18 10 (1.60%) Artifactory
General
1 39 (6.24%) Finance
2 23 (3.68%) Telecoms
3 11 (1.76%) Law
4 10 (1.60%) Retail
5 8 (1.28%) Marketing
6 7 (1.12%) Manufacturing
7 6 (0.96%) Electronics
8 5 (0.80%) Legal
9 4 (0.64%) Back Office
9 4 (0.64%) Banking
10 1 (0.16%) Front Office
10 1 (0.16%) Investment Banking
10 1 (0.16%) Pharmaceutical
10 1 (0.16%) Publishing
Job Titles
1 229 (36.64%) DevOps Engineer
2 95 (15.20%) AWS DevOps
3 93 (14.88%) Administrator
4 78 (12.48%) Linux Engineer
5 77 (12.32%) Systems Administrator
6 74 (11.84%) Linux Administrator
7 70 (11.20%) Developer
8 69 (11.04%) AWS Engineer
9 68 (10.88%) Linux Systems Administrator
10 66 (10.56%) Consultant
11 65 (10.40%) Linux/Unix DevOps
12 51 (8.16%) DevOps Consultant
13 47 (7.52%) Senior DevOps
14 36 (5.76%) Linux DevOps Engineer
15 31 (4.96%) AWS Consultant
16 23 (3.68%) Senior DevOps Engineer
17 21 (3.36%) DBA
18 20 (3.20%) Java Developer
18 20 (3.20%) Java Engineer
19 19 (3.04%) Systems Engineer
Libraries, Frameworks & Software Standards
1 81 (12.96%) Elastic Stack
2 53 (8.48%) MCollective
3 49 (7.84%) LAMP
4 44 (7.04%) Web Services
5 42 (6.72%) Software Packaging
6 33 (5.28%) HTML
6 33 (5.28%) LAPP Stack
7 28 (4.48%) CSS
8 27 (4.32%) RabbitMQ
9 26 (4.16%) LEMP Stack
10 25 (4.00%) REST
11 23 (3.68%) XML
12 22 (3.52%) JSON
12 22 (3.52%) Node.js
13 17 (2.72%) XSLT
14 16 (2.56%) RSS
15 14 (2.24%) .NET
15 14 (2.24%) Kafka
15 14 (2.24%) PostGIS
16 11 (1.76%) ActiveMQ
Miscellaneous
1 45 (7.20%) Data Centre
2 42 (6.72%) Linux Command Line
3 38 (6.08%) Public Cloud
4 16 (2.56%) Web 2.0
5 15 (2.40%) Analytical Skills
6 13 (2.08%) Clustering
6 13 (2.08%) Computer Science
6 13 (2.08%) PKI
7 11 (1.76%) Algorithms
8 10 (1.60%) Management Information System
8 10 (1.60%) Private Cloud
9 7 (1.12%) Embedded Systems
9 7 (1.12%) Mobile App
9 7 (1.12%) Replication
10 4 (0.64%) NHS
10 4 (0.64%) Spread Betting
11 3 (0.48%) CMDB
11 3 (0.48%) Digital TV
11 3 (0.48%) STB
11 3 (0.48%) Video on Demand
Operating Systems
1 625 (100.00%) Linux
2 299 (47.84%) Red Hat Enterprise Linux
3 218 (34.88%) Ubuntu
4 111 (17.76%) Windows
5 77 (12.32%) Unix
6 55 (8.80%) Debian
7 36 (5.76%) Windows Server
8 21 (3.36%) Fedora
9 18 (2.88%) SUSE
10 15 (2.40%) Windows Server 2008
11 13 (2.08%) RancherOS
11 13 (2.08%) VyOS
12 12 (1.92%) Windows Server 2012
13 9 (1.44%) Windows Server 2003
14 6 (0.96%) CoreOS
14 6 (0.96%) Windows 2000
15 5 (0.80%) Apple iOS
15 5 (0.80%) Solaris
16 4 (0.64%) Android
17 3 (0.48%) Mac OS X Server
Processes & Methodologies
1 347 (55.52%) DevOps
2 217 (34.72%) Agile Software Development
3 187 (29.92%) Continuous Integration
4 183 (29.28%) Configuration Management
5 117 (18.72%) Scrum
6 88 (14.08%) Continuous Delivery
7 70 (11.20%) Load Balancing
8 62 (9.92%) Service Management
9 61 (9.76%) Open Source
10 41 (6.56%) Workflow
11 39 (6.24%) Identity Management
12 38 (6.08%) ITIL
13 37 (5.92%) Performance Tuning
14 34 (5.44%) Coaching
14 34 (5.44%) Migration
15 33 (5.28%) Mentoring
16 32 (5.12%) Stakeholder Management
17 24 (3.84%) Case Management
17 24 (3.84%) OO
17 24 (3.84%) OOP
Programming Languages
1 266 (42.56%) Python
2 235 (37.60%) Bash Shell
3 201 (32.16%) Ruby
4 177 (28.32%) Java
5 119 (19.04%) Perl
6 72 (11.52%) JavaScript
7 63 (10.08%) Shell Script
8 55 (8.80%) PHP
9 54 (8.64%) SQL
10 36 (5.76%) C
11 32 (5.12%) PowerShell
12 20 (3.20%) C++
13 16 (2.56%) C#
14 13 (2.08%) Groovy
15 11 (1.76%) Go
16 7 (1.12%) Korn
17 6 (0.96%) PL/SQL
17 6 (0.96%) R
17 6 (0.96%) Scala
18 3 (0.48%) sed
Qualifications
1 206 (32.96%) Security Cleared
2 175 (28.00%) SC Cleared
3 33 (5.28%) Degree
4 23 (3.68%) DV Cleared
5 17 (2.72%) CTC Cleared
6 15 (2.40%) BPSS Clearance
7 14 (2.24%) AWS Certification
8 13 (2.08%) VMware Certified Professional (VCP)
9 12 (1.92%) CCNP
9 12 (1.92%) Cisco Certification
10 10 (1.60%) CCNA
11 6 (0.96%) CEH
11 6 (0.96%) RHCT
12 4 (0.64%) BC Cleared
12 4 (0.64%) RHCE
13 3 (0.48%) CESG Certified Professional
14 2 (0.32%) CISA
14 2 (0.32%) Microsoft Certification
14 2 (0.32%) RHCSA
15 1 (0.16%) Citrix Certification
Quality Assurance & Compliance
1 30 (4.80%) QA
2 8 (1.28%) PCI DSS
3 7 (1.12%) Disclosure Scotland
System Software
1 234 (37.44%) Docker
2 130 (20.80%) VMware Infrastructure
3 67 (10.72%) vCloud
4 61 (9.76%) Virtual Machines
5 46 (7.36%) Squid
6 45 (7.20%) Postfix
7 41 (6.56%) Active Directory
8 22 (3.52%) vSphere
9 20 (3.20%) Xen
10 15 (2.40%) KVM
10 15 (2.40%) VMware ESXi
11 12 (1.92%) VMware ESX
12 8 (1.28%) VirtualBox
13 5 (0.80%) GlusterFS
13 5 (0.80%) Sendmail
13 5 (0.80%) VMware Server
14 4 (0.64%) Apache ZooKeeper
14 4 (0.64%) Hyper-V
14 4 (0.64%) iptables
14 4 (0.64%) LXC
Systems Management
1 320 (51.20%) Puppet
2 267 (42.72%) Ansible
3 113 (18.08%) Opscode Chef
4 112 (17.92%) Terraform
5 102 (16.32%) Kubernetes
6 87 (13.92%) ZABBIX
7 79 (12.64%) Kibana
8 71 (11.36%) logstash
9 62 (9.92%) Nagios
10 48 (7.68%) HAProxy
11 47 (7.52%) Rancher
12 40 (6.40%) Docker Swarm
13 27 (4.32%) SELinux
14 24 (3.84%) Packer
15 23 (3.68%) Consul
16 14 (2.24%) Graphite
17 13 (2.08%) Salt
17 13 (2.08%) SCCM
18 11 (1.76%) Pingdom
18 11 (1.76%) yum
Vendors
1 267 (42.72%) Red Hat
2 207 (33.12%) VMware
3 64 (10.24%) Oracle
4 63 (10.08%) Atlassian
5 43 (6.88%) Sonatype
6 34 (5.44%) Cisco
7 33 (5.28%) Microsoft
8 32 (5.12%) AppDynamics
9 23 (3.68%) Splunk
10 18 (2.88%) SaltStack
11 17 (2.72%) Google
11 17 (2.72%) New Relic
12 14 (2.24%) EMC
13 13 (2.08%) Vyatta
14 12 (1.92%) PagerDuty
15 8 (1.28%) IBM
16 7 (1.12%) HP
17 6 (0.96%) Citrix
17 6 (0.96%) Remedy
17 6 (0.96%) Sybase
London
Senitor Associates
Rate: £375 - £400 per day
Posted: 18 hours ago
Telford
Edward Carter Solutions
Rate: £470.00 - £490.00 per day
Posted: 19 hours ago
Telford, Shropshire
Global Technology Solutions Ltd
Rate: £496.15 per annum
Posted: 17 hours ago
Oxfordshire
FRG Technology Consulting
Rate: £300 - £375 per day + Excellent
Posted: 22 hours ago
Derby, Derbyshire
Oscar
Rate: £350 - £400 per day
Posted: Yesterday
City, London
Evolution Recruitment Solutions
Posted: Yesterday
Bristol
Hays Specialist Recruitment Ltd
Rate: £15.00 - £20.00 per hour
Posted: Yesterday
City, London
Parallel Consulting
Posted: Yesterday
Kent
Oscar
Rate: £400 - £401 per day
Posted: 4 days ago
City of London
TDA Group
Rate: £350 - £400 per day
Posted: 5 days ago
Telford, Shropshire
Reed Technology
Rate: £350 - £400 per day
Posted: 4 days ago
Telford, Shropshire
Nigel Frank International Ltd
Posted: 4 days ago
North Yorkshire
Rullion
Posted: 5 days ago
York, North Yorkshire
Candour Solutions
Rate: Above Market Rates
Posted: 5 days ago
Telford, Shropshire
Oscar
Posted: 4 days ago
Essex
People Source Consulting
Rate: £550 - £650 per day
Posted: 8 days ago
London
Experis Ltd
Rate: £300.00 - £400.00 per day
Posted: 6 days ago
Essex
People Source Consulting
Rate: £500 - £550 per day
Posted: 9 days ago
Hampshire
TEKsystems
Rate: £400 - £480 per day
Posted: 6 days ago