The table below looks at the statistics for CentOS skills in IT contracts advertised for the Reading 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
Berkshire / Reading
Rank 47 53 69
Rank change year-on-year
+6 +16
Contract jobs citing CentOS 21 25 1
As % of all contract IT jobs located in Reading 2.89% 2.51% 0.11%
As % of the Operating Systems category 20.19% 8.90% 0.51%
Number of daily rates quoted 21 22 0
Median daily rate £500 £448 -
Median daily rate % change year-on-year
+11.73% -
UK excluding London median daily rate £455 £450 £375
% change year-on-year
+1.11% +20.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
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 Reading region.

Operating Systems Category
Reading
Contract IT job ads with a match in the
Operating Systems category
104 281 198
As % of all contract IT jobs located in Reading 14.33% 28.21% 22.27%
Number of daily rates quoted 65 171 107
Median daily rate £475 £375 £350
Median daily rate % change year-on-year
+26.66% +7.14%
90% offered a daily rate of more than £198 £165 £150
10% offered a daily rate of more than £600 £500 £500
UK excluding London median daily rate £363 £350 £338
% change year-on-year
+3.57% +3.70%
Number of hourly rates quoted 9 19 9
Median hourly rate £30.91 £38.75 £32.50
Median hourly rate % change year-on-year
-20.23% +19.23%
90% offered a hourly rate of more than £13.00 £14.00 £11.50
10% offered a hourly rate of more than £55.65 £160.00 £55.65
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 Reading

The demand trend of contract jobs across the Reading region citing CentOS as a proportion of all IT contracts with a match in the Operating Systems category.

CentOS Jobs Demand Trend in Reading

CentOS
Daily Rate Trend in Reading

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

CentOS Daily Rate Trend in Reading

CentOS
Daily Rate Histogram in Reading

This chart provides a histogram of daily rates quoted in contract IT jobs citing CentOS across the Reading region over the 3 months to 21 February 2017.

CentOS Daily Rate Histogram in Reading

CentOS
Top 30 Related IT Skills in Reading

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 Reading region with a requirement for CentOS.

1 27 (100.00%) Linux
2 23 (85.19%) Debian
3 22 (81.48%) Ubuntu
3 22 (81.48%) Ansible
3 22 (81.48%) DevOps
4 21 (77.78%) Bash Shell
4 21 (77.78%) Unix
4 21 (77.78%) Python
5 20 (74.07%) Java
5 20 (74.07%) JavaScript
5 20 (74.07%) SC Cleared
5 20 (74.07%) Security Cleared
5 20 (74.07%) Red Hat Enterprise Linux
5 20 (74.07%) Git (software)
5 20 (74.07%) SSH
5 20 (74.07%) SELinux
6 19 (70.37%) Hadoop
7 17 (62.96%) Prototyping
8 16 (59.26%) HTTP
9 15 (55.56%) TCP/IP
9 15 (55.56%) ICMP
9 15 (55.56%) Linux Command Line
10 11 (40.74%) Open Source
11 7 (25.93%) Puppet
11 7 (25.93%) Jenkins
11 7 (25.93%) Red Hat
12 6 (22.22%) Hudson
12 6 (22.22%) Big Data
12 6 (22.22%) Open Source Development
12 6 (22.22%) Opscode Chef

CentOS
Top Related 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 1 (3.70%) Apache
1 1 (3.70%) OpenStack
1 1 (3.70%) SAS
Cloud Services
1 5 (18.52%) GitHub
Communications & Networking
1 20 (74.07%) SSH
2 16 (59.26%) HTTP
3 15 (55.56%) ICMP
3 15 (55.56%) TCP/IP
4 1 (3.70%) DHCP
4 1 (3.70%) DNS
4 1 (3.70%) Fibre Channel
4 1 (3.70%) IMAP
4 1 (3.70%) iSCSI
4 1 (3.70%) LDAP
4 1 (3.70%) MRTG
4 1 (3.70%) SMTP
Database & Business Intelligence
1 19 (70.37%) Hadoop
2 6 (22.22%) Big Data
Development Applications
1 20 (74.07%) Git (software)
2 7 (25.93%) Jenkins
3 6 (22.22%) Hudson
4 5 (18.52%) Subversion
Job Titles
1 19 (70.37%) Developer
2 10 (37.04%) DevOps Engineer
3 9 (33.33%) Java Developer
3 9 (33.33%) JavaScript Developer
3 9 (33.33%) Python Developer
4 8 (29.63%) Consultant
4 8 (29.63%) DevOps Consultant
4 8 (29.63%) Java Consultant
4 8 (29.63%) Java Engineer
4 8 (29.63%) JavaScript Engineer
5 7 (25.93%) Open Source Developer
6 6 (22.22%) Linux/Unix DevOps
7 4 (14.81%) Administrator
7 4 (14.81%) DevOps Administrator
7 4 (14.81%) Hadoop Consultant
7 4 (14.81%) Hadoop Developer
7 4 (14.81%) Hadoop Engineer
7 4 (14.81%) Java Hadoop Developer
7 4 (14.81%) Linux DevOps Administrator
7 4 (14.81%) Systems Administrator
Libraries, Frameworks & Software Standards
1 3 (11.11%) CGI
Miscellaneous
1 15 (55.56%) Linux Command Line
Operating Systems
1 27 (100.00%) Linux
2 23 (85.19%) Debian
3 22 (81.48%) Ubuntu
4 21 (77.78%) Unix
5 20 (74.07%) Red Hat Enterprise Linux
6 1 (3.70%) Mac OS
6 1 (3.70%) Solaris
6 1 (3.70%) Windows
Processes & Methodologies
1 22 (81.48%) DevOps
2 17 (62.96%) Prototyping
3 11 (40.74%) Open Source
4 6 (22.22%) Open Source Development
5 1 (3.70%) Configuration Management
5 1 (3.70%) Continuous Integration
5 1 (3.70%) Cybersecurity
Programming Languages
1 21 (77.78%) Bash Shell
1 21 (77.78%) Python
2 20 (74.07%) Java
2 20 (74.07%) JavaScript
3 1 (3.70%) C
3 1 (3.70%) Korn
3 1 (3.70%) Perl
3 1 (3.70%) Shell Script
Qualifications
1 20 (74.07%) SC Cleared
1 20 (74.07%) Security Cleared
System Software
1 2 (7.41%) Docker
2 1 (3.70%) Ceph
2 1 (3.70%) Dovecot
2 1 (3.70%) iptables
2 1 (3.70%) KVM
2 1 (3.70%) Sendmail
2 1 (3.70%) Squid
2 1 (3.70%) VMware Infrastructure
Systems Management
1 22 (81.48%) Ansible
2 20 (74.07%) SELinux
3 7 (25.93%) Puppet
4 6 (22.22%) Opscode Chef
5 2 (7.41%) Terraform
6 1 (3.70%) Cacti
6 1 (3.70%) HAProxy
6 1 (3.70%) Nagios
6 1 (3.70%) Oracle ZFS
6 1 (3.70%) RANCID
Vendors
1 7 (25.93%) Red Hat
2 1 (3.70%) Cisco
2 1 (3.70%) VMware