The following table provides summary statistics for contract job vacancies advertised in Milton Keynes 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
Buckinghamshire / Milton Keynes
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 67 63 72
Rank change year-on-year -4 +9  
Contract jobs citing CentOS 11 2 1
As % of all contract IT jobs advertised in Milton Keynes 1.50% 0.30% 0.12%
As % of the Operating Systems category 5.19% 1.43% 0.49%
Number of daily rates quoted 3 1 0
Median daily rate £325 £525 -
Median daily rate % change year-on-year -38.09% -  
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 Milton Keynes with a requirement for operating system skills.

Contract Operating System Skills
Milton Keynes
Contract job vacancies with a requirement for operating system skills 212 140 205
As % of all contract IT job vacancies advertised in Milton Keynes 28.84% 20.99% 24.64%
Number of daily rates quoted 76 53 83
Median daily rate £375 £400 £350
Median daily rate % change year-on-year -6.25% +14.28%  
90% offered a daily rate of more than £234 £225 £240
10% offered a daily rate of more than £525 £525 £450
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 12 13 11
Median hourly rate £18.00 £12.00 £16.14
Median hourly rate % change year-on-year +50.00% -25.65%  
90% offered a hourly rate of more than £17.25 £11.00 £13.65
10% offered a hourly rate of more than £20.50 £17.13 £24.25
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 Milton Keynes

The job posting trend of jobs advertised in Milton Keynes 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 Milton Keynes

CentOS
Contractor Daily Rate Trend in Milton Keynes

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

Contractor daily rate trend for CentOS in Milton Keynes

CentOS
Contractor Daily Rate Histogram in Milton Keynes

The daily rate distribution of IT jobs citing CentOS in Milton Keynes over the 3 months to 22 June 2017.

Contractor daily rate histogram for CentOS in Milton Keynes

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 Milton Keynes region with a requirement for CentOS.

1 13 (100.00%) Linux
2 8 (61.54%) Red Hat
2 8 (61.54%) High Availability
3 7 (53.85%) VMware
3 7 (53.85%) ITIL
4 6 (46.15%) Microsoft
4 6 (46.15%) Ubuntu
4 6 (46.15%) Security Cleared
4 6 (46.15%) VMware Infrastructure
4 6 (46.15%) SC Cleared
4 6 (46.15%) MongoDB
5 5 (38.46%) Capacity Management
5 5 (38.46%) Performance Tuning
5 5 (38.46%) Microsoft Office
5 5 (38.46%) Virtual Environments
5 5 (38.46%) Virtual Machines
6 4 (30.77%) HP
6 4 (30.77%) Clustering
6 4 (30.77%) Service Management
6 4 (30.77%) ITSM
6 4 (30.77%) Nagios
6 4 (30.77%) OVSD
7 3 (23.08%) ITIL V3
7 3 (23.08%) DV Cleared
7 3 (23.08%) Puppet
7 3 (23.08%) Active Directory
7 3 (23.08%) Data Centre
8 2 (15.38%) Security Hardening
8 2 (15.38%) Server Building
8 2 (15.38%) Task Automation

CentOS
Co-occurring IT Skills in Milton Keynes 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 5 (38.46%) Microsoft Office
Cloud Services
1 2 (15.38%) IBM PureFlex
2 1 (7.69%) IaaS
Communications & Networking
1 2 (15.38%) Kerberos
1 2 (15.38%) LDAP
2 1 (7.69%) BGP
2 1 (7.69%) DNS
2 1 (7.69%) Fibre Channel
2 1 (7.69%) IPv4
2 1 (7.69%) iSCSI
2 1 (7.69%) OSPF
2 1 (7.69%) SAN
Database & Business Intelligence
1 6 (46.15%) MongoDB
General
1 2 (15.38%) Retail
Job Titles
1 7 (53.85%) Linux Specialist
2 2 (15.38%) Administrator
2 2 (15.38%) Linux Administrator
2 2 (15.38%) Linux Engineer
3 1 (7.69%) AIX Specialist
3 1 (7.69%) Consultant
3 1 (7.69%) Linux Systems Administrator
3 1 (7.69%) NetApp Engineer
3 1 (7.69%) Server Engineer
3 1 (7.69%) Systems Administrator
3 1 (7.69%) Technical Specialist
3 1 (7.69%) VMware Consultant
3 1 (7.69%) VMware Engineer
Miscellaneous
1 4 (30.77%) Clustering
2 3 (23.08%) Data Centre
3 1 (7.69%) Replication
Operating Systems
1 13 (100.00%) Linux
2 6 (46.15%) Ubuntu
3 2 (15.38%) AIX
3 2 (15.38%) Red Hat Enterprise Linux
3 2 (15.38%) Unix
4 1 (7.69%) Debian
4 1 (7.69%) Windows
4 1 (7.69%) Windows Server
Processes & Methodologies
1 8 (61.54%) High Availability
2 7 (53.85%) ITIL
3 5 (38.46%) Capacity Management
3 5 (38.46%) Performance Tuning
3 5 (38.46%) Virtual Environments
4 4 (30.77%) ITSM
4 4 (30.77%) Service Management
5 3 (23.08%) ITIL V3
6 2 (15.38%) Migration
6 2 (15.38%) Performance Management
6 2 (15.38%) Security Hardening
6 2 (15.38%) Server Building
6 2 (15.38%) Task Automation
7 1 (7.69%) Open Source
Programming Languages
1 2 (15.38%) Shell Script
Qualifications
1 6 (46.15%) SC Cleared
1 6 (46.15%) Security Cleared
2 3 (23.08%) DV Cleared
3 1 (7.69%) VMware Certified Professional (VCP)
System Software
1 6 (46.15%) VMware Infrastructure
2 5 (38.46%) Virtual Machines
3 3 (23.08%) Active Directory
4 2 (15.38%) Hyper-V
4 2 (15.38%) PowerHA
5 1 (7.69%) vCloud
5 1 (7.69%) VMware ESXi
5 1 (7.69%) vSphere
Systems Management
1 4 (30.77%) Nagios
1 4 (30.77%) OVSD
2 3 (23.08%) Puppet
3 2 (15.38%) Red Hat Satellite
4 1 (7.69%) SCOM
4 1 (7.69%) vMotion
Vendors
1 8 (61.54%) Red Hat
2 7 (53.85%) VMware
3 6 (46.15%) Microsoft
4 4 (30.77%) HP
5 2 (15.38%) IBM
5 2 (15.38%) Nimsoft
5 2 (15.38%) Veritas
6 1 (7.69%) Dell
6 1 (7.69%) Dell Compellent
6 1 (7.69%) EqualLogic
6 1 (7.69%) NetApp
6 1 (7.69%) Veeam