The following table provides summary statistics for contract job vacancies advertised in Northamptonshire with a requirement for CentOS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited CentOS over the 3 months to 22 June 2017 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
East Midlands / Northamptonshire
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 39 44 38
Rank change year-on-year +5 -6  
Contract jobs citing CentOS 2 1 5
As % of all contract IT jobs advertised in Northamptonshire 0.54% 0.25% 1.37%
As % of the Operating Systems category 3.17% 1.47% 8.06%
Number of daily rates quoted 1 0 3
Median daily rate £425 - £407
UK excluding London median daily rate £460 £438 £375
% change year-on-year +5.14% +16.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £47.50 £55.00 -
% change year-on-year -13.63% -  

CentOS is in the operating system skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Northamptonshire with a requirement for operating system skills.

Contract Operating System Skills
Northamptonshire
Contract job vacancies with a requirement for operating system skills 63 68 62
As % of all contract IT job vacancies advertised in Northamptonshire 17.17% 17.22% 16.99%
Number of daily rates quoted 28 46 28
Median daily rate £338 £363 £325
Median daily rate % change year-on-year -6.89% +11.53%  
90% offered a daily rate of more than £152 £110 £180
10% offered a daily rate of more than £515 £505 £515
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 4 7 11
Median hourly rate £11.09 £14.25 £11.17
Median hourly rate % change year-on-year -22.21% +27.57%  
90% offered a hourly rate of more than £10.50 £11.50 £10.20
10% offered a hourly rate of more than £13.00 £31.13 £19.00
UK excluding London median hourly rate £15.50 £16.97 £16.16
% change year-on-year -8.66% +5.01%  

CentOS
Job Vacancy Trend in Northamptonshire

The job posting trend of jobs advertised in Northamptonshire citing CentOS as a proportion of all contract or permanent IT jobs with a match in the Operating Systems category.

Job vacancy trend for CentOS in Northamptonshire

CentOS
Contractor Daily Rate Trend in Northamptonshire

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

Contractor daily rate trend for CentOS in Northamptonshire

CentOS
Contract Job Locations in Northamptonshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the Northamptonshire region over the 3 months to 22 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Northampton +10 2 £425 -
CentOS
East Midlands

For the 6 months to 22 June 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 Northamptonshire region with a requirement for CentOS.

1 2 (100.00%) Linux
1 2 (100.00%) Microsoft
1 2 (100.00%) SC Cleared
1 2 (100.00%) DV Cleared
1 2 (100.00%) Security Cleared
1 2 (100.00%) Microsoft Office
1 2 (100.00%) ITIL
1 2 (100.00%) Capacity Management
1 2 (100.00%) Performance Tuning
1 2 (100.00%) Virtual Machines
2 1 (50.00%) vMotion
2 1 (50.00%) Virtual Environments
2 1 (50.00%) IaaS
2 1 (50.00%) Windows
2 1 (50.00%) VMware Infrastructure
2 1 (50.00%) Red Hat Enterprise Linux
2 1 (50.00%) Hyper-V
2 1 (50.00%) Veeam
2 1 (50.00%) vSphere
2 1 (50.00%) VMware ESXi
2 1 (50.00%) MongoDB
2 1 (50.00%) ITIL V3
2 1 (50.00%) ITIL V2
2 1 (50.00%) High Availability
2 1 (50.00%) vCloud
2 1 (50.00%) HP
2 1 (50.00%) Red Hat
2 1 (50.00%) Nagios
2 1 (50.00%) Service Management
2 1 (50.00%) ITSM

CentOS
Co-occurring IT Skills in Northamptonshire 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:

Applications
1 2 (100.00%) Microsoft Office
Cloud Services
1 1 (50.00%) IaaS
Database & Business Intelligence
1 1 (50.00%) MongoDB
Job Titles
1 1 (50.00%) Administrator
1 1 (50.00%) Linux Administrator
1 1 (50.00%) Linux Specialist
1 1 (50.00%) Linux Systems Administrator
1 1 (50.00%) Systems Administrator
1 1 (50.00%) VMware Specialist
Miscellaneous
1 1 (50.00%) Replication
Operating Systems
1 2 (100.00%) Linux
2 1 (50.00%) Red Hat Enterprise Linux
2 1 (50.00%) Ubuntu
2 1 (50.00%) Windows
Processes & Methodologies
1 2 (100.00%) Capacity Management
1 2 (100.00%) ITIL
1 2 (100.00%) Performance Tuning
2 1 (50.00%) High Availability
2 1 (50.00%) ITIL V2
2 1 (50.00%) ITIL V3
2 1 (50.00%) ITSM
2 1 (50.00%) Service Management
2 1 (50.00%) Virtual Environments
Qualifications
1 2 (100.00%) DV Cleared
1 2 (100.00%) SC Cleared
1 2 (100.00%) Security Cleared
2 1 (50.00%) VMware Certified Professional (VCP)
System Software
1 2 (100.00%) Virtual Machines
2 1 (50.00%) Hyper-V
2 1 (50.00%) vCloud
2 1 (50.00%) VMware ESXi
2 1 (50.00%) VMware Infrastructure
2 1 (50.00%) vSphere
Systems Management
1 1 (50.00%) Nagios
1 1 (50.00%) OVSD
1 1 (50.00%) vMotion
Vendors
1 2 (100.00%) Microsoft
2 1 (50.00%) HP
2 1 (50.00%) Red Hat
2 1 (50.00%) Veeam
2 1 (50.00%) VMware