Period
to 18 February 2018

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 18 February 2018 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
18 Feb 2018
Same period 2017 Same period 2016
Rank 77 78 88
Rank change year-on-year +1 +10 +3
Contract jobs citing CentOS 3 12 3
As % of all contract IT jobs advertised in Wiltshire 0.29% 0.91% 0.21%
As % of the Operating Systems category 1.70% 5.11% 0.97%
Number of daily rates quoted 2 11 0
Wiltshire median daily rate £450 £425 -
Median daily rate % change year-on-year +5.88% - -
South West median daily rate £450 £425 £400
% change year-on-year +5.88% +6.25% -
Number of hourly rates quoted 0 0 0
Wiltshire median hourly rate - - -
South West median hourly rate - £15.25 £8.50
% change year-on-year - +79.41% -

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 176 235 309
As % of all contract IT jobs advertised in Wiltshire 16.96% 17.78% 21.31%
Number of daily rates quoted 102 156 186
Wiltshire median daily rate £375 £350 £344
Median daily rate % change year-on-year +7.14% +1.82% -8.33%
10th Percentile £124 £135 £153
90th Percentile £500 £506 £475
South West median daily rate £375 £340 £350
% change year-on-year +10.29% -2.86% -6.67%
Number of hourly rates quoted 8 10 29
Wiltshire median hourly rate £17.50 £40.00 £32.50
Median hourly rate % change year-on-year -56.25% +23.08% +45.85%
10th Percentile £13.00 £12.00 £12.50
90th Percentile £23.45 £47.50 £45.35
South West median hourly rate £17.50 £16.50 £21.00
% change year-on-year +6.06% -21.43% +21.74%

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 18 February 2018. 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 3 £450 +5.88% 2
CentOS
South West

For the 6 months to 18 February 2018, IT contractor jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Wiltshire region with a requirement for CentOS.

1 3 (100.00%) Linux
1 3 (100.00%) VPN
1 3 (100.00%) Red Hat Enterprise Linux
2 2 (66.67%) Amazon EC2
2 2 (66.67%) Amazon S3
2 2 (66.67%) Google App Engine
2 2 (66.67%) Amazon AWS
2 2 (66.67%) Open Source
2 2 (66.67%) Waterfall
2 2 (66.67%) Puppet
2 2 (66.67%) Bash Shell
2 2 (66.67%) Route 53
2 2 (66.67%) IPsec
2 2 (66.67%) Configuration Management
2 2 (66.67%) Xen
2 2 (66.67%) Continuous Integration
2 2 (66.67%) Load Balancing
2 2 (66.67%) VMware Infrastructure
2 2 (66.67%) DNS
2 2 (66.67%) DSDM
2 2 (66.67%) Python
2 2 (66.67%) Microsoft
2 2 (66.67%) Scrum
2 2 (66.67%) VMware
2 2 (66.67%) Agile Software Development
2 2 (66.67%) Ruby
2 2 (66.67%) Google
2 2 (66.67%) Java
2 2 (66.67%) DHCP
2 2 (66.67%) FTP

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