Period
to 22 November 2017

The following table provides summary statistics for contract job vacancies advertised in the West Midlands with a requirement for CentOS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited CentOS over the 6 months to 22 November 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

CentOS Linux
England > West Midlands
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 170 200 169
Rank change year-on-year +30 -31 +9
Contract jobs citing CentOS 18 15 3
As % of all contract IT jobs advertised in the West Midlands 0.37% 0.24% 0.061%
As % of the Operating Systems category 1.94% 1.44% 0.36%
Number of daily rates quoted 5 9 2
West Midlands median daily rate £425 £438 £306
Median daily rate % change year-on-year -2.86% +42.86% -12.50%
10th Percentile £360 £387 £258
90th Percentile £725 £498 £379
England median daily rate £456 £463 £425
% change year-on-year -1.35% +8.82% +6.25%
Number of hourly rates quoted 0 0 0
West Midlands median hourly rate - - -
England median hourly rate £32.88 £14.75 £38.00
% change year-on-year +122.88% -61.18% +102.67%

CentOS is in the Operating Systems category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the West Midlands with a requirement for operating system skills.

All Operating Systems
West Midlands
Contract vacancies with a requirement for operating system skills 928 1044 829
As % of all contract IT jobs advertised in the West Midlands 19.19% 16.85% 16.94%
Number of daily rates quoted 533 554 358
West Midlands median daily rate £370 £400 £336
Median daily rate % change year-on-year -7.50% +18.96% +4.26%
10th Percentile £155 £182 £145
90th Percentile £563 £519 £475
England median daily rate £425 £410 £400
% change year-on-year +3.66% +2.50% +6.67%
Number of hourly rates quoted 89 104 122
West Midlands median hourly rate £14.50 £14.00 £14.45
Median hourly rate % change year-on-year +3.57% -3.11% -3.67%
10th Percentile £10.70 £10.08 £10.33
90th Percentile £34.37 £36.50 £21.45
England median hourly rate £17.50 £16.50 £16.50
% change year-on-year +6.06% - +4.90%

CentOS
Job Vacancy Trend in the West Midlands

Job postings citing CentOS as a percentage of all IT jobs advertised in the West Midlands.

Job vacancy trend for CentOS in the West Midlands

CentOS
Contractor Daily Rate Trend in the West Midlands

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing CentOS in the West Midlands.

Contractor daily rate trend for CentOS in the West Midlands

CentOS
Contractor Daily Rate Histogram in the West Midlands

The daily rate distribution of IT jobs citing CentOS in the West Midlands over the 6 months to 22 November 2017.

Contractor daily rate histogram for CentOS in the West Midlands

CentOS
Contract Job Locations in the West Midlands

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the West Midlands region over the 6 months to 22 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Birmingham +17 13 £413 +3.13%
Warwickshire +8 4 - -
Coventry +17 1 £850 +94.29%
CentOS
England

For the 6 months to 22 November 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 West Midlands region with a requirement for CentOS.

1 18 (100.00%) Linux
2 14 (77.78%) Continuous Integration
2 14 (77.78%) Puppet
2 14 (77.78%) DevOps
3 13 (72.22%) Agile Software Development
4 12 (66.67%) Docker
4 12 (66.67%) Elastic Stack
4 12 (66.67%) Terraform
5 11 (61.11%) Kubernetes
6 10 (55.56%) VMware
7 9 (50.00%) Maven
7 9 (50.00%) Java
7 9 (50.00%) Tomcat
7 9 (50.00%) PostgreSQL
7 9 (50.00%) Jenkins
7 9 (50.00%) Ansible
7 9 (50.00%) Amazon AWS
7 9 (50.00%) Git (software)
8 8 (44.44%) Bash Shell
8 8 (44.44%) Confluence
8 8 (44.44%) Elasticsearch
8 8 (44.44%) Scrum
8 8 (44.44%) Configuration Management
8 8 (44.44%) Apache
8 8 (44.44%) HTTP
8 8 (44.44%) Ant
8 8 (44.44%) JIRA
8 8 (44.44%) Continuous Delivery
9 7 (38.89%) Liquibase
9 7 (38.89%) Virtual Private Cloud

CentOS
Co-occurring IT Skills in the West Midlands 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 9 (50.00%) Tomcat
2 8 (44.44%) Apache
2 8 (44.44%) Confluence
2 8 (44.44%) Elasticsearch
3 2 (11.11%) JBoss
4 1 (5.56%) IIS
4 1 (5.56%) Jetty
4 1 (5.56%) Mongrel
4 1 (5.56%) nginx
4 1 (5.56%) WebSphere
Cloud Services
1 9 (50.00%) Amazon AWS
2 7 (38.89%) Amazon CloudWatch
2 7 (38.89%) Amazon EC2
2 7 (38.89%) Amazon ELB
2 7 (38.89%) Amazon S3
2 7 (38.89%) Virtual Private Cloud
3 5 (27.78%) Google Cloud Platform
4 2 (11.11%) Microsoft Azure
5 1 (5.56%) Cloud Computing
5 1 (5.56%) Google App Engine
5 1 (5.56%) Rackspace Cloud
Communications & Networking
1 8 (44.44%) HTTP
2 7 (38.89%) DNS
2 7 (38.89%) OpenLDAP
2 7 (38.89%) OpenVPN
2 7 (38.89%) SSH
Database & Business Intelligence
1 9 (50.00%) PostgreSQL
2 7 (38.89%) Amazon RDS
3 1 (5.56%) Big Data
3 1 (5.56%) Hadoop
3 1 (5.56%) MongoDB
3 1 (5.56%) Neo4j
3 1 (5.56%) Pentaho
Development Applications
1 9 (50.00%) Git (software)
1 9 (50.00%) Jenkins
1 9 (50.00%) Maven
2 8 (44.44%) Ant
2 8 (44.44%) JIRA
3 7 (38.89%) Bitbucket
3 7 (38.89%) JUnit
3 7 (38.89%) Liquibase
3 7 (38.89%) SonarQube
3 7 (38.89%) Sonatype Nexus
4 4 (22.22%) Atlassian Bamboo
4 4 (22.22%) GitLab
4 4 (22.22%) JMeter
4 4 (22.22%) Selenium
5 1 (5.56%) Mercurial
5 1 (5.56%) MSBuild
5 1 (5.56%) Subversion
5 1 (5.56%) Talend Open Studio
5 1 (5.56%) TeamCity
Job Titles
1 13 (72.22%) DevOps Engineer
2 4 (22.22%) Senior DevOps
3 3 (16.67%) Senior DevOps Engineer
4 2 (11.11%) Consultant
4 2 (11.11%) Operations Engineer
4 2 (11.11%) Senior Operations Engineer
5 1 (5.56%) Administrator
5 1 (5.56%) Citrix Administrator
5 1 (5.56%) Citrix Engineer
5 1 (5.56%) Citrix Systems Engineer
5 1 (5.56%) Developer
5 1 (5.56%) Hadoop Developer
5 1 (5.56%) Linux Administrator
5 1 (5.56%) Linux Consultant
5 1 (5.56%) Linux Engineer
5 1 (5.56%) Linux Systems Administrator
5 1 (5.56%) Senior Consultant
5 1 (5.56%) Systems Administrator
5 1 (5.56%) Systems Engineer
5 1 (5.56%) VMware Engineer
Libraries, Frameworks & Software Standards
1 12 (66.67%) Elastic Stack
2 7 (38.89%) MCollective
2 7 (38.89%) REST
3 5 (27.78%) Middleware
4 2 (11.11%) ActiveMQ
5 1 (5.56%) AngularJS
5 1 (5.56%) Apache Camel
5 1 (5.56%) Apache CXF
5 1 (5.56%) D3.js
5 1 (5.56%) Drools
5 1 (5.56%) jBPM
5 1 (5.56%) JRuby
5 1 (5.56%) Node.js
5 1 (5.56%) Servlets
5 1 (5.56%) Spring
5 1 (5.56%) Web Services
Miscellaneous
1 7 (38.89%) Linux Command Line
2 2 (11.11%) Public Cloud
3 1 (5.56%) Data Centre
3 1 (5.56%) Greenfield Project
Operating Systems
1 18 (100.00%) Linux
2 3 (16.67%) Debian
3 2 (11.11%) Ubuntu
3 2 (11.11%) Windows
4 1 (5.56%) Fedora
4 1 (5.56%) Unix
Processes & Methodologies
1 14 (77.78%) Continuous Integration
1 14 (77.78%) DevOps
2 13 (72.22%) Agile Software Development
3 8 (44.44%) Configuration Management
3 8 (44.44%) Continuous Delivery
3 8 (44.44%) Scrum
4 7 (38.89%) Coaching
4 7 (38.89%) Load Balancing
4 7 (38.89%) Service Management
4 7 (38.89%) Stakeholder Management
5 4 (22.22%) Non-Functional Testing
5 4 (22.22%) Requirements Analysis
5 4 (22.22%) Software Engineering
5 4 (22.22%) Test Automation
6 2 (11.11%) SOA
7 1 (5.56%) BDD
7 1 (5.56%) Big Data Analytics
7 1 (5.56%) Data Analytics
7 1 (5.56%) E-Commerce
7 1 (5.56%) Open Source
Programming Languages
1 9 (50.00%) Java
2 8 (44.44%) Bash Shell
3 7 (38.89%) Groovy
4 2 (11.11%) PowerShell
4 2 (11.11%) Python
5 1 (5.56%) Go
5 1 (5.56%) Jython
5 1 (5.56%) Perl
5 1 (5.56%) Ruby
Qualifications
1 7 (38.89%) SC Cleared
1 7 (38.89%) Security Cleared
Quality Assurance & Compliance
1 1 (5.56%) GCP
System Software
1 12 (66.67%) Docker
2 7 (38.89%) Postfix
2 7 (38.89%) Squid
2 7 (38.89%) vCloud
2 7 (38.89%) Virtual Machines
3 3 (16.67%) VMware Infrastructure
4 2 (11.11%) XenApp
5 1 (5.56%) KVM
5 1 (5.56%) VirtualBox
5 1 (5.56%) Xen
Systems Management
1 14 (77.78%) Puppet
2 12 (66.67%) Terraform
3 11 (61.11%) Kubernetes
4 9 (50.00%) Ansible
5 7 (38.89%) Docker Swarm
5 7 (38.89%) Kibana
5 7 (38.89%) logstash
5 7 (38.89%) Rancher
5 7 (38.89%) Rsyslog
5 7 (38.89%) Sysdig
5 7 (38.89%) ZABBIX
6 4 (22.22%) Consul
6 4 (22.22%) Packer
7 1 (5.56%) Opscode Chef
7 1 (5.56%) Salt
Vendors
1 10 (55.56%) VMware
2 7 (38.89%) Sonatype
3 5 (27.78%) Google
4 4 (22.22%) Red Hat
4 4 (22.22%) WSO2
5 2 (11.11%) Citrix
6 1 (5.56%) Microsoft
6 1 (5.56%) Perforce
6 1 (5.56%) Rackspace
6 1 (5.56%) Talend