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 3 December 2016 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
3 Dec 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 57 69 -
Rank change year-on-year
+12 -
Contract jobs citing CentOS 10 2 0
As % of all contract IT jobs located in Reading 1.37% 0.21% -
As % of the Operating Systems category 7.19% 0.83% -
Number of daily rates quoted 8 2 0
Median daily rate £475 £486 -
Median daily rate % change year-on-year
-2.31% -
UK excluding London median daily rate £450 £420 £375
% change year-on-year
+7.14% +12.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £18.00 £50.50 -
% change year-on-year
-64.35% -
CentOS
Berkshire

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
139 242 216
As % of all contract IT jobs located in Reading 19.09% 25.42% 23.35%
Number of daily rates quoted 68 138 125
Median daily rate £438 £400 £300
Median daily rate % change year-on-year
+9.37% +33.33%
90% offered a daily rate of more than £170 £225 £139
10% offered a daily rate of more than £500 £500 £500
UK excluding London median daily rate £350 £350 £330
% change year-on-year
- +6.06%
Number of hourly rates quoted 10 42 11
Median hourly rate £43.28 £30.90 £17.00
Median hourly rate % change year-on-year
+40.06% +81.76%
90% offered a hourly rate of more than £16.06 £17.50 £12.60
10% offered a hourly rate of more than £55.65 £103.22 £175.00
UK excluding London median hourly rate £16.50 £16.50 £16.00
% change year-on-year
- +3.12%

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
Top 30 Related IT Skills in Reading

For the 6 months to 3 December 2016, 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 11 (100.00%) Linux
2 10 (90.91%) DevOps
3 9 (81.82%) Ansible
4 8 (72.73%) Jenkins
4 8 (72.73%) Red Hat
4 8 (72.73%) Puppet
5 7 (63.64%) Opscode Chef
6 6 (54.55%) Hudson
6 6 (54.55%) Ubuntu
6 6 (54.55%) Debian
7 5 (45.45%) Python
7 5 (45.45%) Subversion
7 5 (45.45%) Bash Shell
7 5 (45.45%) GitHub
8 4 (36.36%) Red Hat Enterprise Linux
8 4 (36.36%) Unix
9 3 (27.27%) Java
9 3 (27.27%) JavaScript
9 3 (27.27%) HTTP
9 3 (27.27%) SSH
9 3 (27.27%) SC Cleared
9 3 (27.27%) Security Cleared
9 3 (27.27%) Git (software)
9 3 (27.27%) Hadoop
9 3 (27.27%) Docker
9 3 (27.27%) SELinux
9 3 (27.27%) Prototyping
10 2 (18.18%) Terraform
10 2 (18.18%) OpenStack
10 2 (18.18%) Open Source

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 2 (18.18%) OpenStack
2 1 (9.09%) Apache
2 1 (9.09%) SAS
Cloud Services
1 5 (45.45%) GitHub
2 1 (9.09%) Amazon AWS
2 1 (9.09%) PaaS
Communications & Networking
1 3 (27.27%) HTTP
1 3 (27.27%) SSH
2 2 (18.18%) ICMP
2 2 (18.18%) TCP/IP
3 1 (9.09%) DHCP
3 1 (9.09%) DNS
3 1 (9.09%) Fibre Channel
3 1 (9.09%) IMAP
3 1 (9.09%) iSCSI
3 1 (9.09%) LDAP
3 1 (9.09%) MRTG
3 1 (9.09%) SMTP
Database & Business Intelligence
1 3 (27.27%) Hadoop
2 1 (9.09%) Big Data
Development Applications
1 8 (72.73%) Jenkins
2 6 (54.55%) Hudson
3 5 (45.45%) Subversion
4 3 (27.27%) Git (software)
Job Titles
1 4 (36.36%) Administrator
1 4 (36.36%) DevOps Administrator
1 4 (36.36%) DevOps Engineer
1 4 (36.36%) Linux Administrator
1 4 (36.36%) Linux DevOps Administrator
1 4 (36.36%) Linux Systems Administrator
1 4 (36.36%) Linux/Unix DevOps
1 4 (36.36%) Senior DevOps
1 4 (36.36%) Systems Administrator
2 3 (27.27%) Developer
2 3 (27.27%) Senior Linux Administrator
2 3 (27.27%) Senior Linux Systems Administrator
2 3 (27.27%) Senior Systems Administrator
3 2 (18.18%) AWS DevOps
3 2 (18.18%) AWS Engineer
3 2 (18.18%) Java Developer
3 2 (18.18%) JavaScript Developer
3 2 (18.18%) Python Developer
4 1 (9.09%) JavaScript Engineer
4 1 (9.09%) Open Source Developer
Libraries, Frameworks & Software Standards
1 1 (9.09%) Web Services
Miscellaneous
1 1 (9.09%) Enterprise Cloud
1 1 (9.09%) Public Cloud
Operating Systems
1 11 (100.00%) Linux
2 6 (54.55%) Debian
2 6 (54.55%) Ubuntu
3 4 (36.36%) Red Hat Enterprise Linux
3 4 (36.36%) Unix
4 1 (9.09%) Fedora
4 1 (9.09%) Mac OS
4 1 (9.09%) Solaris
4 1 (9.09%) Windows
Processes & Methodologies
1 10 (90.91%) DevOps
2 3 (27.27%) Prototyping
3 2 (18.18%) Open Source
4 1 (9.09%) Configuration Management
4 1 (9.09%) Continuous Integration
4 1 (9.09%) Software Engineering
Programming Languages
1 5 (45.45%) Bash Shell
1 5 (45.45%) Python
2 3 (27.27%) Java
2 3 (27.27%) JavaScript
3 1 (9.09%) C
3 1 (9.09%) Korn
3 1 (9.09%) Perl
3 1 (9.09%) Shell Script
Qualifications
1 3 (27.27%) SC Cleared
1 3 (27.27%) Security Cleared
System Software
1 3 (27.27%) Docker
2 1 (9.09%) Ceph
2 1 (9.09%) Dovecot
2 1 (9.09%) iptables
2 1 (9.09%) KVM
2 1 (9.09%) Sendmail
2 1 (9.09%) Squid
2 1 (9.09%) VMware Infrastructure
Systems Management
1 9 (81.82%) Ansible
2 8 (72.73%) Puppet
3 7 (63.64%) Opscode Chef
4 3 (27.27%) SELinux
5 2 (18.18%) Terraform
6 1 (9.09%) Cacti
6 1 (9.09%) HAProxy
6 1 (9.09%) Nagios
6 1 (9.09%) Oracle ZFS
6 1 (9.09%) RANCID
Vendors
1 8 (72.73%) Red Hat
2 1 (9.09%) Cisco
2 1 (9.09%) VMware