Period
to 24 May 2018

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 24 May 2018 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
24 May 2018
Same period 2017 Same period 2016
Rank 182 120 179
Rank change year-on-year -62 +59 -6
Contract jobs citing CentOS 7 52 15
As % of all contract IT jobs advertised in the West Midlands 0.14% 1.21% 0.28%
As % of the Operating Systems category 0.81% 7.45% 1.29%
Number of daily rates quoted 4 32 12
West Midlands median daily rate £413 £467 £400
Median daily rate % change year-on-year -11.62% +16.69% -
10th Percentile £328 £378 £303
90th Percentile £493 £500 £449
England median daily rate £506 £488 £450
% change year-on-year +3.85% +8.33% +11.46%
Number of hourly rates quoted 0 0 0
West Midlands median hourly rate - - -
England median hourly rate £49.50 £17.50 £50.00
% change year-on-year +182.86% -65.00% +5.26%

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 865 698 1,163
As % of all contract IT jobs advertised in the West Midlands 17.66% 16.21% 21.56%
Number of daily rates quoted 499 406 573
West Midlands median daily rate £375 £375 £397
Median daily rate % change year-on-year - -5.54% +22.15%
10th Percentile £150 £123 £175
90th Percentile £538 £538 £525
England median daily rate £445 £425 £400
% change year-on-year +4.71% +6.25% +6.67%
Number of hourly rates quoted 98 72 91
West Midlands median hourly rate £14.50 £14.50 £13.70
Median hourly rate % change year-on-year - +5.84% -8.67%
10th Percentile £10.44 £10.51 £10.41
90th Percentile £25.50 £30.65 £23.75
England median hourly rate £17.50 £16.83 £17.00
% change year-on-year +3.97% -0.99% +5.20%

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 24 May 2018.

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 24 May 2018. 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 3 - - 4
Worcestershire -7 2 £475 +15.85% 1
Solihull - 2 £350 -
CentOS
England

For the 6 months to 24 May 2018, IT contractor jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the West Midlands region with a requirement for CentOS.

1 7 (100.00%) Linux
2 5 (71.43%) Apache
2 5 (71.43%) Windows
2 5 (71.43%) VMware
3 4 (57.14%) Squid
3 4 (57.14%) Red Hat
3 4 (57.14%) DNS
3 4 (57.14%) Shell Script
3 4 (57.14%) MySQL
3 4 (57.14%) VMware Infrastructure
3 4 (57.14%) Red Hat Enterprise Linux
3 4 (57.14%) Windows Server
4 3 (42.86%) Jenkins
4 3 (42.86%) DevOps
4 3 (42.86%) SC Cleared
4 3 (42.86%) Security Cleared
4 3 (42.86%) Git (software)
4 3 (42.86%) Amazon AWS
4 3 (42.86%) Puppet
4 3 (42.86%) REST
4 3 (42.86%) Tomcat
4 3 (42.86%) Python
4 3 (42.86%) Java
4 3 (42.86%) Nagios
4 3 (42.86%) Configuration Management
4 3 (42.86%) Maven
4 3 (42.86%) JIRA
4 3 (42.86%) Continuous Integration
4 3 (42.86%) Agile Software Development
4 3 (42.86%) LAMP

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 5 (71.43%) Apache
2 3 (42.86%) Tomcat
3 2 (28.57%) GlassFish
3 2 (28.57%) IIS
3 2 (28.57%) JBoss
3 2 (28.57%) MS Exchange
4 1 (14.29%) Confluence
4 1 (14.29%) Elasticsearch
Cloud Services
1 3 (42.86%) Amazon AWS
2 2 (28.57%) Microsoft Azure
3 1 (14.29%) Amazon CloudWatch
3 1 (14.29%) Amazon EC2
3 1 (14.29%) Amazon ELB
3 1 (14.29%) Amazon S3
3 1 (14.29%) Virtual Private Cloud
Communications & Networking
1 4 (57.14%) DNS
2 2 (28.57%) Firewall
2 2 (28.57%) Intrusion Detection
2 2 (28.57%) iSCSI
2 2 (28.57%) SSL
3 1 (14.29%) HTTP
3 1 (14.29%) OpenLDAP
3 1 (14.29%) OpenVPN
3 1 (14.29%) SSH
Database & Business Intelligence
1 4 (57.14%) MySQL
2 3 (42.86%) PostgreSQL
3 2 (28.57%) Couchbase
3 2 (28.57%) NoSQL
3 2 (28.57%) SQL Server
4 1 (14.29%) Amazon RDS
Development Applications
1 3 (42.86%) Git (software)
1 3 (42.86%) Jenkins
1 3 (42.86%) JIRA
1 3 (42.86%) Maven
2 2 (28.57%) Bugzilla
2 2 (28.57%) MSBuild
2 2 (28.57%) Subversion
3 1 (14.29%) Ant
3 1 (14.29%) Bitbucket
3 1 (14.29%) JUnit
3 1 (14.29%) Liquibase
3 1 (14.29%) SonarQube
3 1 (14.29%) Sonatype Nexus
General
1 2 (28.57%) Legal
Job Titles
1 2 (28.57%) Deployment Manager
1 2 (28.57%) Linux Engineer
1 2 (28.57%) Senior Linux Engineer
1 2 (28.57%) Senior Manager
1 2 (28.57%) Technical Engineer
2 1 (14.29%) 3rd Line Engineer
2 1 (14.29%) 3rd Line Server Engineer
2 1 (14.29%) 3rd Line Server Support
2 1 (14.29%) 3rd Line Support
2 1 (14.29%) 3rd Line Support Engineer
2 1 (14.29%) 3rd Line Technical Engineer
2 1 (14.29%) 3rd Line Technical Support
2 1 (14.29%) DevOps Engineer
2 1 (14.29%) Senior Technical Engineer
2 1 (14.29%) Server Engineer
2 1 (14.29%) Server Support
2 1 (14.29%) Server Support Engineer
2 1 (14.29%) Support Engineer
2 1 (14.29%) Technical Support
2 1 (14.29%) Technical Support Engineer
Libraries, Frameworks & Software Standards
1 3 (42.86%) LAMP
1 3 (42.86%) REST
2 2 (28.57%) Ajax
2 2 (28.57%) CGI
2 2 (28.57%) JSON
2 2 (28.57%) LDAP
2 2 (28.57%) Memcached
2 2 (28.57%) SOAP
2 2 (28.57%) XML
3 1 (14.29%) Elastic Stack
3 1 (14.29%) LAPP Stack
3 1 (14.29%) MCollective
Miscellaneous
1 2 (28.57%) Clustering
1 2 (28.57%) Self-Motivation
1 2 (28.57%) Wiki
2 1 (14.29%) Linux Command Line
Operating Systems
1 7 (100.00%) Linux
2 5 (71.43%) Windows
3 4 (57.14%) Red Hat Enterprise Linux
3 4 (57.14%) Windows Server
4 2 (28.57%) Debian
4 2 (28.57%) Ubuntu
4 2 (28.57%) Windows 7
4 2 (28.57%) Windows Server 2003
4 2 (28.57%) Windows Server 2008
4 2 (28.57%) Windows Server 2012
4 2 (28.57%) Windows XP
Processes & Methodologies
1 3 (42.86%) Agile Software Development
1 3 (42.86%) Configuration Management
1 3 (42.86%) Continuous Integration
1 3 (42.86%) DevOps
1 3 (42.86%) Scrum
2 2 (28.57%) Cloud Operations
2 2 (28.57%) Continuous Deployment
2 2 (28.57%) Cybersecurity
2 2 (28.57%) High Availability
2 2 (28.57%) Issue Tracking
2 2 (28.57%) Migration
2 2 (28.57%) Problem-Solving
2 2 (28.57%) Reverse Engineering
3 1 (14.29%) Change Control
3 1 (14.29%) Coaching
3 1 (14.29%) Continuous Delivery
3 1 (14.29%) IT Strategy
3 1 (14.29%) Load Balancing
3 1 (14.29%) Server Hardening
3 1 (14.29%) Stakeholder Management
Programming Languages
1 4 (57.14%) Shell Script
2 3 (42.86%) Java
2 3 (42.86%) Python
3 2 (28.57%) Perl
3 2 (28.57%) PHP
3 2 (28.57%) PowerShell
4 1 (14.29%) Bash Shell
4 1 (14.29%) Groovy
Qualifications
1 3 (42.86%) SC Cleared
1 3 (42.86%) Security Cleared
2 1 (14.29%) ITIL Foundation Certificate
2 1 (14.29%) RHCE
Quality Assurance & Compliance
1 1 (14.29%) ISO/IEC 27001
System Software
1 4 (57.14%) Squid
1 4 (57.14%) VMware Infrastructure
2 2 (28.57%) Active Directory
2 2 (28.57%) Hyper-V
2 2 (28.57%) iptables
2 2 (28.57%) NFS
2 2 (28.57%) Samba
2 2 (28.57%) Varnish
2 2 (28.57%) VMware ESXi
2 2 (28.57%) Xen
3 1 (14.29%) Docker
3 1 (14.29%) Postfix
3 1 (14.29%) vCloud
3 1 (14.29%) Virtual Machines
Systems Management
1 3 (42.86%) Nagios
1 3 (42.86%) Puppet
2 2 (28.57%) HAProxy
2 2 (28.57%) Opscode Chef
2 2 (28.57%) SELinux
2 2 (28.57%) WMI
2 2 (28.57%) WSUS
3 1 (14.29%) Ansible
3 1 (14.29%) Docker Swarm
3 1 (14.29%) Kibana
3 1 (14.29%) Kubernetes
3 1 (14.29%) logstash
3 1 (14.29%) Rancher
3 1 (14.29%) Rsyslog
3 1 (14.29%) Sysdig
3 1 (14.29%) Terraform
3 1 (14.29%) ZABBIX
Vendors
1 5 (71.43%) VMware
2 4 (57.14%) Red Hat
3 2 (28.57%) Microsoft
3 2 (28.57%) Splunk
3 2 (28.57%) WSO2
4 1 (14.29%) HP
4 1 (14.29%) Sonatype