Period
to 14 December 2019

The following table provides summary statistics for contract job vacancies advertised in Reading 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 14 December 2019 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
Berkshire > Reading
6 months to
14 Dec 2019
Same period 2018 Same period 2017
Rank 92 90 94
Rank change year-on-year -2 +4 -7
Contract jobs citing CentOS 8 13 1
As % of all contract IT jobs advertised in Reading 0.55% 0.82% 0.078%
As % of the Operating Systems category 2.52% 4.36% 0.39%
Number of daily rates quoted 3 11 1
Reading median daily rate £300 £440 £425
Median daily rate % change year-on-year -31.82% +3.53% -10.53%
Berkshire median daily rate £300 £425 £563
% change year-on-year -29.41% -24.44% +18.42%
Number of hourly rates quoted 0 0 0
Reading median hourly rate - - -
Berkshire median hourly rate - - £18.00

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 Reading with a requirement for operating system skills.

All Operating Systems
Reading
Contract vacancies with a requirement for operating system skills 317 298 259
As % of all contract IT jobs advertised in Reading 21.86% 18.90% 20.28%
Number of daily rates quoted 201 163 145
Reading median daily rate £375 £425 £390
Median daily rate % change year-on-year -11.76% +8.97% +3.04%
10th Percentile £128 £141 £191
90th Percentile £556 £554 £550
Berkshire median daily rate £375 £400 £400
% change year-on-year -6.25% - +6.67%
Number of hourly rates quoted 27 11 31
Reading median hourly rate £45.00 £35.00 £14.50
Median hourly rate % change year-on-year +28.57% +141.38% -60.91%
10th Percentile £19.40 £20.00 £10.75
90th Percentile £82.50 £47.50 £42.25
Berkshire median hourly rate £24.00 £17.50 £12.50
% change year-on-year +37.14% +40.00% -27.66%

CentOS
Job Vacancy Trend in Reading

Job postings citing CentOS as a percentage of all IT jobs advertised in Reading.

Job vacancy trend for CentOS in Reading

CentOS
Contractor Daily Rate Trend in Reading

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

Contractor daily rate trend for CentOS in Reading

CentOS
Contractor Daily Rate Histogram in Reading

The daily rate distribution of IT jobs citing CentOS in Reading over the 6 months to 14 December 2019.

Contractor daily rate histogram for CentOS in Reading

For the 6 months to 14 December 2019, 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 Reading region with a requirement for CentOS.

1 8 (100.00%) Linux
2 6 (75.00%) Python
3 5 (62.50%) Red Hat
3 5 (62.50%) Git (software)
3 5 (62.50%) Jenkins
4 4 (50.00%) Red Hat Enterprise Linux
4 4 (50.00%) ZABBIX
4 4 (50.00%) PostgreSQL
5 3 (37.50%) Scrum
5 3 (37.50%) LAN
5 3 (37.50%) WAN
5 3 (37.50%) Cisco
5 3 (37.50%) Juniper
5 3 (37.50%) Agile Software Development
5 3 (37.50%) TDD
5 3 (37.50%) ActiveMQ
5 3 (37.50%) Maven
5 3 (37.50%) JBoss
5 3 (37.50%) Tomcat
5 3 (37.50%) ITIL
5 3 (37.50%) Java
5 3 (37.50%) OpenLDAP
5 3 (37.50%) Test Automation
5 3 (37.50%) Hadoop
5 3 (37.50%) Continuous Integration
5 3 (37.50%) Kanban
5 3 (37.50%) Games
5 3 (37.50%) Feature Driven Development
5 3 (37.50%) Continuous Improvement
5 3 (37.50%) HBase

CentOS
Co-occurring IT Skills in Reading 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 3 (37.50%) JBoss
1 3 (37.50%) Tomcat
Cloud Services
1 2 (25.00%) AWS
1 2 (25.00%) Azure
2 1 (12.50%) GCP
2 1 (12.50%) SaaS
Communications & Networking
1 3 (37.50%) LAN
1 3 (37.50%) OpenLDAP
1 3 (37.50%) WAN
2 2 (25.00%) TCP/IP
3 1 (12.50%) Cisco ASA
3 1 (12.50%) DNS
3 1 (12.50%) Firewall
3 1 (12.50%) Network Security
3 1 (12.50%) Wireless
Database & Business Intelligence
1 4 (50.00%) PostgreSQL
2 3 (37.50%) Hadoop
2 3 (37.50%) HBase
3 2 (25.00%) SQL Server
Development Applications
1 5 (62.50%) Git (software)
1 5 (62.50%) Jenkins
2 3 (37.50%) Maven
2 3 (37.50%) Sonatype Nexus
General
1 3 (37.50%) Games
2 2 (25.00%) Public Sector
3 1 (12.50%) Finance
3 1 (12.50%) Marketing
3 1 (12.50%) Retail
Job Titles
1 3 (37.50%) Agile Scrum Master
1 3 (37.50%) Java Scrum Master
1 3 (37.50%) Scrum Master
2 2 (25.00%) DevOps Engineer
2 2 (25.00%) Senior Technical Engineer
2 2 (25.00%) Technical Engineer
3 1 (12.50%) AWS DevOps
3 1 (12.50%) AWS DevOps Engineer
3 1 (12.50%) AWS Engineer
3 1 (12.50%) Cisco Engineer
3 1 (12.50%) Cisco Network Engineer
3 1 (12.50%) Cloud Engineer
3 1 (12.50%) Juniper Engineer
3 1 (12.50%) Network Engineer
3 1 (12.50%) Senior DevOps
3 1 (12.50%) Senior DevOps Engineer
Libraries, Frameworks & Software Standards
1 3 (37.50%) ActiveMQ
1 3 (37.50%) Apache Camel
1 3 (37.50%) LAPP Stack
Operating Systems
1 8 (100.00%) Linux
2 4 (50.00%) Red Hat Enterprise Linux
3 2 (25.00%) Fedora
3 2 (25.00%) Mac OS X
3 2 (25.00%) Solaris
3 2 (25.00%) Ubuntu
3 2 (25.00%) Windows
3 2 (25.00%) Windows 10
3 2 (25.00%) Windows Server
Processes & Methodologies
1 3 (37.50%) Agile Software Development
1 3 (37.50%) ATDD
1 3 (37.50%) Burndown Charts
1 3 (37.50%) Continuous Improvement
1 3 (37.50%) Continuous Integration
1 3 (37.50%) Feature Driven Development
1 3 (37.50%) ITIL
1 3 (37.50%) Kanban
1 3 (37.50%) Mentoring
1 3 (37.50%) Scaled Agile Framework
1 3 (37.50%) Scrum
1 3 (37.50%) TDD
1 3 (37.50%) Test Automation
1 3 (37.50%) User Stories
2 2 (25.00%) DevOps
2 2 (25.00%) Task Automation
3 1 (12.50%) Configuration Management
3 1 (12.50%) ITIL V3
3 1 (12.50%) Load Balancing
3 1 (12.50%) Service Design
Programming Languages
1 6 (75.00%) Python
2 3 (37.50%) Java
3 2 (25.00%) Bash Shell
3 2 (25.00%) SQL
4 1 (12.50%) Perl
Qualifications
1 2 (25.00%) AWS Certification
1 2 (25.00%) DBS Check
Systems Management
1 4 (50.00%) ZABBIX
2 3 (37.50%) Ansible
3 2 (25.00%) HAProxy
3 2 (25.00%) SCCM
4 1 (12.50%) Terraform
Vendors
1 5 (62.50%) Red Hat
2 3 (37.50%) Cisco
2 3 (37.50%) Juniper
3 2 (25.00%) Draytek
3 2 (25.00%) Extreme Networks
3 2 (25.00%) SonicWALL
4 1 (12.50%) Aruba
4 1 (12.50%) CheckPoint
4 1 (12.50%) Google
4 1 (12.50%) Infoblox
4 1 (12.50%) SolarWinds