Period
to 22 November 2017

The following table provides summary statistics for contract job vacancies advertised in Wiltshire 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 22 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 West > Wiltshire
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 85 69 88
Rank change year-on-year -16 +19 -
Contract jobs citing CentOS 6 20 5
As % of all contract IT jobs advertised in Wiltshire 0.47% 1.54% 0.33%
As % of the Operating Systems category 2.73% 6.87% 1.98%
Number of daily rates quoted 4 13 2
Wiltshire median daily rate £433 £450 £450
Median daily rate % change year-on-year -3.89% - -
10th Percentile £366 £223 £418
90th Percentile £471 £523 £483
South West median daily rate £400 £450 £388
% change year-on-year -11.11% +16.13% -3.13%
Number of hourly rates quoted 0 0 0
Wiltshire median hourly rate - - -
South West median hourly rate £47.50 - -

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 Wiltshire with a requirement for operating system skills.

All Operating Systems
Wiltshire
Contract vacancies with a requirement for operating system skills 220 291 252
As % of all contract IT jobs advertised in Wiltshire 17.23% 22.47% 16.73%
Number of daily rates quoted 135 202 120
Wiltshire median daily rate £375 £355 £344
Median daily rate % change year-on-year +5.63% +3.27% +3.77%
10th Percentile £128 £135 £156
90th Percentile £500 £550 £500
South West median daily rate £350 £350 £370
% change year-on-year - -5.41% +5.71%
Number of hourly rates quoted 9 5 40
Wiltshire median hourly rate £13.00 £41.00 £21.00
Median hourly rate % change year-on-year -68.29% +95.24% -7.45%
South West median hourly rate £17.50 £15.26 £18.50
% change year-on-year +14.68% -17.51% +8.82%

CentOS
Job Vacancy Trend in Wiltshire

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

Job vacancy trend for CentOS in Wiltshire

CentOS
Contractor Daily Rate Trend in Wiltshire

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

Contractor daily rate trend for CentOS in Wiltshire

CentOS
Contract Job Locations in Wiltshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the Wiltshire region over the 6 months to 22 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
Swindon -7 5 £433 +1.76% 2
CentOS
South West

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

1 6 (100.00%) Linux
2 5 (83.33%) Red Hat Enterprise Linux
3 4 (66.67%) VPN
4 3 (50.00%) Red Hat
4 3 (50.00%) HTTP
4 3 (50.00%) TCP/IP
4 3 (50.00%) DSDM
4 3 (50.00%) Python
4 3 (50.00%) Java
4 3 (50.00%) SQL
4 3 (50.00%) Oracle
4 3 (50.00%) Amazon EC2
4 3 (50.00%) Amazon S3
4 3 (50.00%) Load Balancing
4 3 (50.00%) Amazon AWS
4 3 (50.00%) Open Source
4 3 (50.00%) Bash Shell
4 3 (50.00%) Scrum
4 3 (50.00%) Ruby
4 3 (50.00%) Agile Software Development
4 3 (50.00%) Continuous Integration
4 3 (50.00%) Waterfall
4 3 (50.00%) Puppet
4 3 (50.00%) Route 53
4 3 (50.00%) Jenkins
4 3 (50.00%) Amazon RDS
4 3 (50.00%) Docker
4 3 (50.00%) DevOps
4 3 (50.00%) Amazon ElastiCache
4 3 (50.00%) Virtual Private Cloud

CentOS
Co-occurring IT Skills in Wiltshire 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 (33.33%) Apache
1 2 (33.33%) Confluence
2 1 (16.67%) IIS
2 1 (16.67%) Jetty
2 1 (16.67%) Mongrel
2 1 (16.67%) nginx
2 1 (16.67%) Oracle HTTP Server
2 1 (16.67%) Tomcat
2 1 (16.67%) WebSphere
Cloud Services
1 3 (50.00%) Amazon AWS
1 3 (50.00%) Amazon EC2
1 3 (50.00%) Amazon ElastiCache
1 3 (50.00%) Amazon S3
1 3 (50.00%) AWS Elastic Beanstalk
1 3 (50.00%) AWS Lambda
1 3 (50.00%) Route 53
1 3 (50.00%) Serverless
1 3 (50.00%) Virtual Private Cloud
2 2 (33.33%) Google App Engine
2 2 (33.33%) Google Cloud Platform
2 2 (33.33%) OpenShift
3 1 (16.67%) Azure Active Directory
3 1 (16.67%) IaaS
3 1 (16.67%) Microsoft Azure
3 1 (16.67%) PaaS
Communications & Networking
1 4 (66.67%) VPN
2 3 (50.00%) HTTP
2 3 (50.00%) TCP/IP
3 2 (33.33%) DHCP
3 2 (33.33%) DNS
3 2 (33.33%) FTP
3 2 (33.33%) IPsec
3 2 (33.33%) SSL
4 1 (16.67%) Firewall
4 1 (16.67%) Network Security
4 1 (16.67%) SMS
4 1 (16.67%) VLAN
Database & Business Intelligence
1 3 (50.00%) Amazon RDS
2 2 (33.33%) Amazon DynamoDB
2 2 (33.33%) Apache Cassandra
2 2 (33.33%) MongoDB
2 2 (33.33%) MySQL
2 2 (33.33%) NoSQL
2 2 (33.33%) PostgreSQL
2 2 (33.33%) SQL Server
3 1 (16.67%) Azure SQL Database
Development Applications
1 3 (50.00%) Jenkins
2 2 (33.33%) Artifactory
2 2 (33.33%) Atlassian Bamboo
2 2 (33.33%) JIRA
2 2 (33.33%) SonarQube
2 2 (33.33%) Sonatype Nexus
2 2 (33.33%) Vagrant
3 1 (16.67%) Travis CI
Job Titles
1 2 (33.33%) Administrator
1 2 (33.33%) DevOps Engineer
1 2 (33.33%) Linux Administrator
1 2 (33.33%) Linux Systems Administrator
2 1 (16.67%) AWS DevOps
2 1 (16.67%) Azure Engineer
2 1 (16.67%) Operations Engineer
2 1 (16.67%) Systems Administrator
Libraries, Frameworks & Software Standards
1 2 (33.33%) .NET
1 2 (33.33%) Elastic Stack
2 1 (16.67%) J2EE
2 1 (16.67%) JSON
2 1 (16.67%) LAMP
2 1 (16.67%) LAPP Stack
2 1 (16.67%) LEMP Stack
2 1 (16.67%) Servlets
Miscellaneous
1 3 (50.00%) Public Cloud
2 1 (16.67%) CESG
Operating Systems
1 6 (100.00%) Linux
2 5 (83.33%) Red Hat Enterprise Linux
3 2 (33.33%) CoreOS
3 2 (33.33%) Ubuntu
4 1 (16.67%) Oracle Linux
4 1 (16.67%) Solaris
Processes & Methodologies
1 3 (50.00%) Agile Software Development
1 3 (50.00%) Auto-Scaling
1 3 (50.00%) Continuous Integration
1 3 (50.00%) DevOps
1 3 (50.00%) DSDM
1 3 (50.00%) Load Balancing
1 3 (50.00%) Open Source
1 3 (50.00%) Scrum
1 3 (50.00%) Waterfall
2 2 (33.33%) Configuration Management
2 2 (33.33%) Migration
3 1 (16.67%) Network Virtualisation
3 1 (16.67%) Stakeholder Management
Programming Languages
1 3 (50.00%) Bash Shell
1 3 (50.00%) Java
1 3 (50.00%) Python
1 3 (50.00%) Ruby
1 3 (50.00%) SQL
2 2 (33.33%) PL/SQL
3 1 (16.67%) C#
3 1 (16.67%) PowerShell
Qualifications
1 2 (33.33%) Security Cleared
2 1 (16.67%) BPSS Clearance
2 1 (16.67%) CESG Certified Professional
2 1 (16.67%) SC Cleared
System Software
1 3 (50.00%) Docker
2 2 (33.33%) GlusterFS
2 2 (33.33%) VirtualBox
2 2 (33.33%) VMware Infrastructure
2 2 (33.33%) Xen
3 1 (16.67%) Active Directory
Systems Management
1 3 (50.00%) Puppet
2 2 (33.33%) Kubernetes
2 2 (33.33%) Nagios
2 2 (33.33%) OSSEC
2 2 (33.33%) Terraform
3 1 (16.67%) Ansible
3 1 (16.67%) Red Hat Satellite
Vendors
1 3 (50.00%) Oracle
1 3 (50.00%) Red Hat
2 2 (33.33%) Google
2 2 (33.33%) Microsoft
2 2 (33.33%) New Relic
2 2 (33.33%) VMware