Period
to 23 January 2018

The following table provides summary statistics for contract job vacancies advertised in the East of England 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 23 January 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 > East of England
6 months to
23 Jan 2018
Same period 2017 Same period 2016
Rank 184 177 180
Rank change year-on-year -7 +3 +11
Contract jobs citing CentOS 10 7 15
As % of all contract IT jobs advertised in the East of England 0.21% 0.16% 0.29%
As % of the Operating Systems category 1.01% 0.66% 1.24%
Number of daily rates quoted 8 6 10
East of England median daily rate £415 £456 £340
Median daily rate % change year-on-year -9.04% +34.19% +56.32%
10th Percentile £363 £388 £185
90th Percentile £588 £600 £378
England median daily rate £475 £463 £448
% change year-on-year +2.70% +3.35% +10.49%
Number of hourly rates quoted 0 0 0
East of England median hourly rate - - -
England median hourly rate £29.00 £17.00 £50.00
% change year-on-year +70.59% -66.00% +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 East of England with a requirement for operating system skills.

All Operating Systems
East of England
Contract vacancies with a requirement for operating system skills 993 1,068 1,208
As % of all contract IT jobs advertised in the East of England 20.88% 23.75% 23.39%
Number of daily rates quoted 540 527 536
East of England median daily rate £350 £350 £350
10th Percentile £130 £158 £131
90th Percentile £561 £525 £500
England median daily rate £425 £413 £400
% change year-on-year +3.03% +3.13% +6.67%
Number of hourly rates quoted 139 141 260
East of England median hourly rate £23.00 £16.50 £17.75
Median hourly rate % change year-on-year +39.39% -7.04% +7.58%
10th Percentile £12.10 £10.75 £10.50
90th Percentile £52.50 £43.75 £46.03
England median hourly rate £17.50 £16.50 £16.77
% change year-on-year +6.06% -1.61% +4.81%

CentOS
Job Vacancy Trend in the East of England

Job postings citing CentOS as a percentage of all IT jobs advertised in the East of England.

Job vacancy trend for CentOS in the East of England

CentOS
Contractor Daily Rate Trend in the East of England

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing CentOS in the East of England.

Contractor daily rate trend for CentOS in the East of England

CentOS
Contractor Daily Rate Histogram in the East of England

The daily rate distribution of IT jobs citing CentOS in the East of England over the 6 months to 23 January 2018.

Contractor daily rate histogram for CentOS in the East of England

CentOS
Contractor Hourly Rate Trend in the East of England

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing CentOS in the East of England.

Contractor hourly rate trend for CentOS in the East of England

CentOS
Contract Job Locations in the East of 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 East of England region over the 6 months to 23 January 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
Hertfordshire +2 9 £415 -5.14% 2
Suffolk - 1 - - 2
CentOS
England

For the 6 months to 23 January 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 East of England region with a requirement for CentOS.

1 10 (100.00%) Linux
2 8 (80.00%) Red Hat
3 6 (60.00%) Python
3 6 (60.00%) Bash Shell
4 5 (50.00%) Perl
4 5 (50.00%) Red Hat Enterprise Linux
5 4 (40.00%) VPN
5 4 (40.00%) IPsec
5 4 (40.00%) E-Commerce
5 4 (40.00%) Cisco
5 4 (40.00%) Firewall
5 4 (40.00%) Opscode Chef
5 4 (40.00%) Ansible
5 4 (40.00%) iptables
5 4 (40.00%) Linux Command Line
6 3 (30.00%) Terraform
6 3 (30.00%) Jenkins
6 3 (30.00%) Configuration Management
6 3 (30.00%) Retail
7 2 (20.00%) DNS
7 2 (20.00%) VMware
7 2 (20.00%) Ubuntu
7 2 (20.00%) DHCP
7 2 (20.00%) Docker
7 2 (20.00%) DevOps
8 1 (10.00%) WebStorm
8 1 (10.00%) Kubernetes
8 1 (10.00%) Public Cloud
8 1 (10.00%) Data Centre
8 1 (10.00%) Data Centre Operations

CentOS
Co-occurring IT Skills in the East of 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 1 (10.00%) Apache
1 1 (10.00%) Confluence
1 1 (10.00%) OpenStack
1 1 (10.00%) Tomcat
Cloud Services
1 1 (10.00%) Amazon AWS
1 1 (10.00%) Microsoft Azure
Communications & Networking
1 4 (40.00%) Firewall
1 4 (40.00%) IPsec
1 4 (40.00%) VPN
2 2 (20.00%) DHCP
2 2 (20.00%) DNS
3 1 (10.00%) HTTP
3 1 (10.00%) TCP/IP
Database & Business Intelligence
1 1 (10.00%) DB2
1 1 (10.00%) Hazelcast
1 1 (10.00%) MySQL
1 1 (10.00%) SQL Server
Development Applications
1 3 (30.00%) Jenkins
2 1 (10.00%) Atlassian Bamboo
2 1 (10.00%) Eclipse
2 1 (10.00%) Git (software)
2 1 (10.00%) Hudson
2 1 (10.00%) IntelliJ
2 1 (10.00%) JIRA
2 1 (10.00%) JMeter
2 1 (10.00%) Selenium
2 1 (10.00%) Subversion
2 1 (10.00%) TeamCity
2 1 (10.00%) VSS/SourceSafe
2 1 (10.00%) WebStorm
General
1 3 (30.00%) Retail
2 1 (10.00%) Telecoms
Job Titles
1 4 (40.00%) Network Engineer
2 2 (20.00%) DevOps Engineer
2 2 (20.00%) Senior DevOps
2 2 (20.00%) Senior DevOps Engineer
3 1 (10.00%) Administrator
3 1 (10.00%) Analyst
3 1 (10.00%) Automation Test Analyst
3 1 (10.00%) Consultant
3 1 (10.00%) Developer
3 1 (10.00%) Java Developer
3 1 (10.00%) Linux Administrator
3 1 (10.00%) Linux Engineer
3 1 (10.00%) Linux Systems Administrator
3 1 (10.00%) Systems Administrator
3 1 (10.00%) Test Analyst
Libraries, Frameworks & Software Standards
1 1 (10.00%) Apache Commons
1 1 (10.00%) CSS
1 1 (10.00%) EJB
1 1 (10.00%) EJB 3.0
1 1 (10.00%) HTML
1 1 (10.00%) HTML5
1 1 (10.00%) J2EE
1 1 (10.00%) J2SE
1 1 (10.00%) Java EE
1 1 (10.00%) Java SE
1 1 (10.00%) JDBC
1 1 (10.00%) JMS
1 1 (10.00%) jQuery
1 1 (10.00%) JSP
1 1 (10.00%) JSTL
1 1 (10.00%) Servlets
1 1 (10.00%) Spring
1 1 (10.00%) Twitter Bootstrap
Miscellaneous
1 4 (40.00%) Linux Command Line
2 1 (10.00%) Data Centre
2 1 (10.00%) Public Cloud
Operating Systems
1 10 (100.00%) Linux
2 5 (50.00%) Red Hat Enterprise Linux
3 2 (20.00%) Ubuntu
4 1 (10.00%) CoreOS
4 1 (10.00%) Unix
4 1 (10.00%) Windows
Processes & Methodologies
1 4 (40.00%) E-Commerce
2 3 (30.00%) Configuration Management
3 2 (20.00%) DevOps
4 1 (10.00%) Agile Software Development
4 1 (10.00%) AOP
4 1 (10.00%) Continuous Integration
4 1 (10.00%) Data Centre Operations
4 1 (10.00%) HOOD
4 1 (10.00%) Inversion of Control
4 1 (10.00%) Project Management
4 1 (10.00%) Scrum
4 1 (10.00%) Stakeholder Management
4 1 (10.00%) Test Automation
Programming Languages
1 6 (60.00%) Bash Shell
1 6 (60.00%) Python
2 5 (50.00%) Perl
3 1 (10.00%) Java
3 1 (10.00%) JavaScript
Qualifications
1 1 (10.00%) CCNA
1 1 (10.00%) Cisco Certification
1 1 (10.00%) DV Cleared
1 1 (10.00%) RHCA
1 1 (10.00%) RHCE
1 1 (10.00%) Security Cleared
System Software
1 4 (40.00%) iptables
2 2 (20.00%) Docker
3 1 (10.00%) Active Directory
3 1 (10.00%) LXC
3 1 (10.00%) VMware Infrastructure
Systems Management
1 4 (40.00%) Ansible
1 4 (40.00%) Opscode Chef
2 3 (30.00%) Terraform
3 1 (10.00%) Kubernetes
3 1 (10.00%) Mesos
3 1 (10.00%) Puppet
3 1 (10.00%) Red Hat Satellite
Vendors
1 8 (80.00%) Red Hat
2 4 (40.00%) Cisco
3 2 (20.00%) VMware
4 1 (10.00%) Atlassian
4 1 (10.00%) Google