The table below looks at the statistics for CentOS skills in IT contracts advertised for the Hertfordshire region. Included is a guide to the contractor rates offered in IT contracts that have cited CentOS over the 3 months to 20 January 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
20 Jan 2017
Same period 2016 Same period 2015
CentOS Linux
East of England / Hertfordshire
Rank - - 65
Contract jobs citing CentOS 0 0 1
As % of all contract IT jobs located in Hertfordshire - - 0.15%
As % of the Operating Systems category - - 0.61%
Number of daily rates quoted 0 0 0
Median daily rate - - -
UK excluding London median daily rate £450 £450 £350
% change year-on-year
- +28.57%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - £50.50 £47.50
% change year-on-year
- +6.31%

The following table is for comparison with the above and provides statistics for the entire Operating Systems category in contract jobs advertised in the Hertfordshire region.

Operating Systems Category
Hertfordshire
Contract IT job ads with a match in the
Operating Systems category
107 132 163
As % of all contract IT jobs located in Hertfordshire 18.42% 22.53% 24.59%
Number of daily rates quoted 53 60 78
Median daily rate £300 £333 £390
Median daily rate % change year-on-year
-9.77% -14.74%
90% offered a daily rate of more than £150 £138 £145
10% offered a daily rate of more than £500 £475 £515
UK excluding London median daily rate £350 £350 £328
% change year-on-year
- +6.66%
Number of hourly rates quoted 9 23 25
Median hourly rate £14.50 £15.00 £29.75
Median hourly rate % change year-on-year
-3.33% -49.57%
90% offered a hourly rate of more than £10.00 £9.50 £10.50
10% offered a hourly rate of more than £16.30 £37.50 £40.00
UK excluding London median hourly rate £16.50 £17.00 £16.00
% change year-on-year
-2.94% +6.25%

CentOS
Jobs Demand Trend in Hertfordshire

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

CentOS Jobs Demand Trend in Hertfordshire

CentOS
Daily Rate Trend in Hertfordshire

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

CentOS Daily Rate Trend in Hertfordshire

CentOS
Top 27 Related IT Skills in Hertfordshire

For the 6 months to 20 January 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 Hertfordshire region with a requirement for CentOS.

1 2 (100.00%) Linux
2 1 (50.00%) Python
2 1 (50.00%) LAN
2 1 (50.00%) WAN
2 1 (50.00%) VPN
2 1 (50.00%) Cisco
2 1 (50.00%) Red Hat
2 1 (50.00%) Shell Script
2 1 (50.00%) OSPF
2 1 (50.00%) BGP
2 1 (50.00%) EIGRP
2 1 (50.00%) Firewall
2 1 (50.00%) Ubuntu
2 1 (50.00%) Fortinet
2 1 (50.00%) Load Balancing
2 1 (50.00%) Cisco ASA
2 1 (50.00%) Red Hat Enterprise Linux
2 1 (50.00%) Amazon AWS
2 1 (50.00%) Bash Shell
2 1 (50.00%) NoSQL
2 1 (50.00%) DevOps
2 1 (50.00%) Line Management
2 1 (50.00%) iptables
2 1 (50.00%) Virtual Machines
2 1 (50.00%) Web Services
2 1 (50.00%) Unix
2 1 (50.00%) Windows

CentOS
Top Related IT Skills in Hertfordshire 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:

Cloud Services
1 1 (50.00%) Amazon AWS
Communications & Networking
1 1 (50.00%) BGP
1 1 (50.00%) Cisco ASA
1 1 (50.00%) EIGRP
1 1 (50.00%) Firewall
1 1 (50.00%) LAN
1 1 (50.00%) OSPF
1 1 (50.00%) VPN
1 1 (50.00%) WAN
Database & Business Intelligence
1 1 (50.00%) NoSQL
Job Titles
1 1 (50.00%) AWS Engineer
1 1 (50.00%) Cloud Engineer
1 1 (50.00%) Linux Engineer
1 1 (50.00%) Network Engineer
Libraries, Frameworks & Software Standards
1 1 (50.00%) Web Services
Operating Systems
1 2 (100.00%) Linux
2 1 (50.00%) Red Hat Enterprise Linux
2 1 (50.00%) Ubuntu
2 1 (50.00%) Unix
2 1 (50.00%) Windows
Processes & Methodologies
1 1 (50.00%) DevOps
1 1 (50.00%) Line Management
1 1 (50.00%) Load Balancing
Programming Languages
1 1 (50.00%) Bash Shell
1 1 (50.00%) Python
1 1 (50.00%) Shell Script
System Software
1 1 (50.00%) iptables
1 1 (50.00%) Virtual Machines
Vendors
1 1 (50.00%) Cisco
1 1 (50.00%) Fortinet
1 1 (50.00%) Red Hat