Period
to 21 November 2017

The following table provides summary statistics for contract job vacancies advertised in Berkshire with a requirement for CentOS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited CentOS over the 6 months to 21 November 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
South East > Berkshire
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 151 144 167
Rank change year-on-year -7 +23 +19
Contract jobs citing CentOS 19 27 7
As % of all contract IT jobs advertised in Berkshire 0.46% 0.63% 0.14%
As % of the Operating Systems category 2.41% 3.30% 0.74%
Number of daily rates quoted 14 24 7
Berkshire median daily rate £388 £466 £375
Median daily rate % change year-on-year -16.89% +24.33% -
10th Percentile £300 £425 £322
90th Percentile £550 £575 £510
South East median daily rate £425 £438 £401
% change year-on-year -2.86% +9.03% +0.31%
Number of hourly rates quoted 3 1 0
Berkshire median hourly rate £18.00 £18.00 -
South East median hourly rate £18.00 £36.50 -
% change year-on-year -50.68% - -

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

All Operating Systems
Berkshire
Contract vacancies with a requirement for operating system skills 788 818 945
As % of all contract IT jobs advertised in Berkshire 19.15% 19.17% 19.03%
Number of daily rates quoted 397 439 488
Berkshire median daily rate £400 £375 £388
Median daily rate % change year-on-year +6.67% -3.23% +15.67%
10th Percentile £184 £206 £200
90th Percentile £550 £538 £500
South East median daily rate £400 £375 £363
% change year-on-year +6.67% +3.45% +6.62%
Number of hourly rates quoted 65 55 117
Berkshire median hourly rate £13.50 £15.00 £21.55
Median hourly rate % change year-on-year -10.00% -30.39% +26.50%
10th Percentile £10.75 £12.10 £12.50
90th Percentile £39.75 £49.50 £47.50
South East median hourly rate £17.77 £17.06 £18.75
% change year-on-year +4.16% -9.01% +20.10%

CentOS
Job Vacancy Trend in Berkshire

Job postings citing CentOS as a percentage of all IT jobs advertised in Berkshire.

Job vacancy trend for CentOS in Berkshire

CentOS
Contractor Daily Rate Trend in Berkshire

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

Contractor daily rate trend for CentOS in Berkshire

CentOS
Contractor Daily Rate Histogram in Berkshire

The daily rate distribution of IT jobs citing CentOS in Berkshire over the 6 months to 21 November 2017.

Contractor daily rate histogram for CentOS in Berkshire

CentOS
Contract Job Locations in Berkshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the Berkshire region over the 6 months to 21 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Slough +15 8 £525 +11.70%
Bracknell +8 4 £248 -46.49%
Reading +2 2 £425 -2.86% 3
Newbury -1 2 £300 -
Maidenhead -8 1 £400 -20.00%
CentOS
South East

For the 6 months to 21 November 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 Berkshire region with a requirement for CentOS.

1 19 (100.00%) Linux
2 11 (57.89%) Red Hat
3 10 (52.63%) VMware ESXi
3 10 (52.63%) Ansible
3 10 (52.63%) DevOps
4 9 (47.37%) Python
5 8 (42.11%) VMware
5 8 (42.11%) Red Hat Enterprise Linux
6 6 (31.58%) Cloud Computing
6 6 (31.58%) LAMP
6 6 (31.58%) Windows
6 6 (31.58%) Perl
6 6 (31.58%) MySQL
7 5 (26.32%) Java
7 5 (26.32%) Configuration Management
7 5 (26.32%) Ubuntu
7 5 (26.32%) Puppet
7 5 (26.32%) Jenkins
7 5 (26.32%) Data Centre
7 5 (26.32%) vCenter Server
8 4 (21.05%) KVM
8 4 (21.05%) Sensu
8 4 (21.05%) MongoDB
8 4 (21.05%) Bash Shell
8 4 (21.05%) ZABBIX
8 4 (21.05%) Amazon AWS
8 4 (21.05%) VMware Infrastructure
8 4 (21.05%) Load Balancing
8 4 (21.05%) Telecoms
8 4 (21.05%) JavaScript

CentOS
Co-occurring IT Skills in Berkshire 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 (10.53%) Apache
1 2 (10.53%) IBM Domino
1 2 (10.53%) IIS
1 2 (10.53%) MS Exchange
1 2 (10.53%) OpenStack
2 1 (5.26%) Apache Spark
Cloud Services
1 6 (31.58%) Cloud Computing
2 4 (21.05%) Amazon AWS
3 2 (10.53%) Microsoft Azure
4 1 (5.26%) Amazon EC2
4 1 (5.26%) Amazon S3
4 1 (5.26%) GitHub
4 1 (5.26%) Google Tag Manager
4 1 (5.26%) IBM Cloud
4 1 (5.26%) SoftLayer
Communications & Networking
1 4 (21.05%) Internet
1 4 (21.05%) VPN
2 3 (15.79%) Software-Defined Networking
3 2 (10.53%) DNS
4 1 (5.26%) Firewall
4 1 (5.26%) VLAN
4 1 (5.26%) VXLAN
Database & Business Intelligence
1 6 (31.58%) MySQL
2 4 (21.05%) MongoDB
3 1 (5.26%) Amazon DynamoDB
3 1 (5.26%) Apache Hive
3 1 (5.26%) Big Data
3 1 (5.26%) Data Lake
3 1 (5.26%) Hadoop
3 1 (5.26%) HBase
3 1 (5.26%) Impala
3 1 (5.26%) PostgreSQL
3 1 (5.26%) SQL Server
3 1 (5.26%) Sqoop
Development Applications
1 5 (26.32%) Jenkins
2 3 (15.79%) Git (software)
3 2 (10.53%) Selenium
4 1 (5.26%) Hudson
4 1 (5.26%) Subversion
4 1 (5.26%) Talend Open Studio
General
1 4 (21.05%) Telecoms
2 3 (15.79%) Manufacturing
Job Titles
1 7 (36.84%) DevOps Engineer
1 7 (36.84%) Linux Engineer
2 5 (26.32%) Linux Systems Engineer
2 5 (26.32%) Linux/Unix DevOps
2 5 (26.32%) Systems Engineer
3 4 (21.05%) Linux DevOps Engineer
3 4 (21.05%) Senior Linux Engineer
4 3 (15.79%) Administrator
4 3 (15.79%) DevOps Administrator
4 3 (15.79%) Linux Administrator
4 3 (15.79%) Linux DevOps Administrator
4 3 (15.79%) Linux Systems Administrator
4 3 (15.79%) Senior Linux Systems Engineer
4 3 (15.79%) Senior Systems Engineer
4 3 (15.79%) Systems Administrator
5 2 (10.53%) Cabling Engineer
5 2 (10.53%) DevOps Systems Engineer
5 2 (10.53%) Installation Technician
5 2 (10.53%) Installations Engineer
5 2 (10.53%) Senior DevOps
Libraries, Frameworks & Software Standards
1 6 (31.58%) LAMP
2 4 (21.05%) Sensu
2 4 (21.05%) Web Services
3 1 (5.26%) Kafka
3 1 (5.26%) RESTful
3 1 (5.26%) SOAP
Miscellaneous
1 5 (26.32%) Data Centre
2 2 (10.53%) EMC VNX
2 2 (10.53%) Hybrid Cloud
2 2 (10.53%) Private Cloud
3 1 (5.26%) Enterprise Cloud
3 1 (5.26%) Greenfield Project
3 1 (5.26%) Replication
3 1 (5.26%) VxBlock/Vblock
Operating Systems
1 19 (100.00%) Linux
2 8 (42.11%) Red Hat Enterprise Linux
3 6 (31.58%) Windows
4 5 (26.32%) Ubuntu
5 2 (10.53%) Solaris
5 2 (10.53%) SUSE
5 2 (10.53%) Unix
5 2 (10.53%) Windows Server
5 2 (10.53%) Windows Server 2003
5 2 (10.53%) Windows Server 2008
5 2 (10.53%) Windows Server 2012
6 1 (5.26%) Amazon Linux
Processes & Methodologies
1 10 (52.63%) DevOps
2 5 (26.32%) Configuration Management
3 4 (21.05%) Load Balancing
4 3 (15.79%) Agile Software Development
4 3 (15.79%) Continuous Integration
4 3 (15.79%) ITIL
4 3 (15.79%) ITIL V3
4 3 (15.79%) Open Source
4 3 (15.79%) Patch Management
5 2 (10.53%) API Integration
5 2 (10.53%) Asset Management
5 2 (10.53%) Kanban
5 2 (10.53%) Network Management
5 2 (10.53%) Performance Testing
5 2 (10.53%) Server Building
6 1 (5.26%) Analytics
6 1 (5.26%) Application Packaging
6 1 (5.26%) Performance Tuning
6 1 (5.26%) Release Management
6 1 (5.26%) Web Analytics
Programming Languages
1 9 (47.37%) Python
2 6 (31.58%) Perl
3 5 (26.32%) Java
4 4 (21.05%) Bash Shell
4 4 (21.05%) JavaScript
5 2 (10.53%) PHP
5 2 (10.53%) PowerShell
5 2 (10.53%) SQL
6 1 (5.26%) C
6 1 (5.26%) Ruby
6 1 (5.26%) Scala
System Software
1 10 (52.63%) VMware ESXi
2 4 (21.05%) KVM
2 4 (21.05%) VMware Infrastructure
3 3 (15.79%) Docker
4 2 (10.53%) Hyper-V
4 2 (10.53%) vCloud
5 1 (5.26%) Apache Flume
5 1 (5.26%) HDFS
5 1 (5.26%) Virtual Machines
5 1 (5.26%) VMware NSX
5 1 (5.26%) vSphere
Systems Management
1 10 (52.63%) Ansible
2 5 (26.32%) Puppet
2 5 (26.32%) vCenter Server
3 4 (21.05%) Nagios
3 4 (21.05%) ZABBIX
4 3 (15.79%) Opscode Chef
5 2 (10.53%) CFEngine
5 2 (10.53%) Cobbler
5 2 (10.53%) Red Hat Spacewalk
5 2 (10.53%) SCCM
5 2 (10.53%) SCOM
5 2 (10.53%) SCOrch
5 2 (10.53%) SCVMM
5 2 (10.53%) Unicenter
5 2 (10.53%) vRealize
6 1 (5.26%) Oozie
6 1 (5.26%) vMotion
Vendors
1 11 (57.89%) Red Hat
2 8 (42.11%) VMware
3 4 (21.05%) EMC
4 2 (10.53%) 3PAR
4 2 (10.53%) CA
4 2 (10.53%) Dell
4 2 (10.53%) HP
4 2 (10.53%) IBM
4 2 (10.53%) Infoblox
4 2 (10.53%) Lotus
4 2 (10.53%) Microsoft
4 2 (10.53%) NetApp
4 2 (10.53%) Nimsoft
4 2 (10.53%) Sun
5 1 (5.26%) Cloudera
5 1 (5.26%) Hortonworks
5 1 (5.26%) MapR
5 1 (5.26%) Salesforce.com
5 1 (5.26%) SunGard
5 1 (5.26%) Talend