Period
to 19 August 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 19 August 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
19 Aug 2018
Same period 2017 Same period 2016
Rank 84 89 71
Rank change year-on-year +5 -18 +18
Contract jobs citing CentOS 6 4 16
As % of all contract IT jobs advertised in Wiltshire 0.47% 0.30% 1.26%
As % of the Operating Systems category 2.22% 2.14% 5.06%
Number of daily rates quoted 3 2 8
Wiltshire median daily rate £500 £390 £488
Median daily rate % change year-on-year +28.21% -20.00% +14.71%
10th Percentile £370 £354 £413
90th Percentile £585 £419 £563
South West median daily rate £413 £447 £475
% change year-on-year -7.72% -5.89% +26.67%
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 270 187 316
As % of all contract IT jobs advertised in Wiltshire 21.08% 13.92% 24.82%
Number of daily rates quoted 163 121 200
Wiltshire median daily rate £425 £400 £375
Median daily rate % change year-on-year +6.25% +6.67% +6.38%
10th Percentile £211 £234 £135
90th Percentile £575 £538 £563
South West median daily rate £375 £363 £368
% change year-on-year +3.45% -1.36% -2.00%
Number of hourly rates quoted 34 11 14
Wiltshire median hourly rate £41.53 £13.50 £36.25
Median hourly rate % change year-on-year +207.63% -62.76% +90.49%
10th Percentile £15.33 £12.50 £15.40
90th Percentile £47.00 £43.00 £47.06
South West median hourly rate £19.00 £17.50 £16.50
% change year-on-year +8.57% +6.06% -2.94%

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
Contractor Daily Rate Histogram in Wiltshire

The daily rate distribution of IT jobs citing CentOS in Wiltshire over the 6 months to 19 August 2018.

Contractor daily rate histogram 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 19 August 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
Salisbury - 3 £438 -
Corsham +13 2 £500 - 1
CentOS
South West

For the 6 months to 19 August 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 6 (100.00%) Linux
1 6 (100.00%) Security Cleared
2 5 (83.33%) Ubuntu
3 4 (66.67%) SC Cleared
3 4 (66.67%) Red Hat Enterprise Linux
3 4 (66.67%) Open Source
4 3 (50.00%) Bash Shell
4 3 (50.00%) Git (software)
4 3 (50.00%) Hadoop
4 3 (50.00%) SSH
4 3 (50.00%) Debian
4 3 (50.00%) Python
4 3 (50.00%) Unix
4 3 (50.00%) Java
4 3 (50.00%) JavaScript
4 3 (50.00%) HTTP
4 3 (50.00%) TCP/IP
4 3 (50.00%) Linux Command Line
4 3 (50.00%) SELinux
5 2 (33.33%) DevOps
5 2 (33.33%) Open Source Development
5 2 (33.33%) Agile Software Development
5 2 (33.33%) Configuration Management
5 2 (33.33%) Ansible
5 2 (33.33%) Big Data
5 2 (33.33%) Hortonworks
6 1 (16.67%) Cisco Nexus
6 1 (16.67%) Windows Server 2012
6 1 (16.67%) Infrastructure Management
6 1 (16.67%) vSphere

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 (16.67%) OpenStack
Business Applications
1 1 (16.67%) Towers Watson Igloo
Communications & Networking
1 3 (50.00%) HTTP
1 3 (50.00%) SSH
1 3 (50.00%) TCP/IP
2 1 (16.67%) Cisco ASA
2 1 (16.67%) Cisco Nexus
2 1 (16.67%) NAS
2 1 (16.67%) SAN
2 1 (16.67%) VLAN
Database & Business Intelligence
1 3 (50.00%) Hadoop
2 2 (33.33%) Big Data
Development Applications
1 3 (50.00%) Git (software)
Job Titles
1 2 (33.33%) Developer
1 2 (33.33%) DevOps Engineer
2 1 (16.67%) Designer
2 1 (16.67%) DevOps Developer
2 1 (16.67%) Linux Engineer
2 1 (16.67%) Open Source Developer
2 1 (16.67%) Operations Engineer
2 1 (16.67%) Senior DevOps
2 1 (16.67%) Senior DevOps Engineer
Libraries, Frameworks & Software Standards
1 1 (16.67%) CGI
1 1 (16.67%) LDAP
Miscellaneous
1 3 (50.00%) Linux Command Line
2 1 (16.67%) CESG
2 1 (16.67%) Management Information System
Operating Systems
1 6 (100.00%) Linux
2 5 (83.33%) Ubuntu
3 4 (66.67%) Red Hat Enterprise Linux
4 3 (50.00%) Debian
4 3 (50.00%) Unix
5 1 (16.67%) Oracle Linux
5 1 (16.67%) Windows
5 1 (16.67%) Windows 10
5 1 (16.67%) Windows 7
5 1 (16.67%) Windows Server
5 1 (16.67%) Windows Server 2008
5 1 (16.67%) Windows Server 2012
Processes & Methodologies
1 4 (66.67%) Open Source
2 2 (33.33%) Agile Software Development
2 2 (33.33%) Configuration Management
2 2 (33.33%) DevOps
2 2 (33.33%) Open Source Development
3 1 (16.67%) Capacity Planning
3 1 (16.67%) Change Control
3 1 (16.67%) Change Management
3 1 (16.67%) Deployment Automation
3 1 (16.67%) Disaster Recovery
3 1 (16.67%) ITIL
3 1 (16.67%) Migration
3 1 (16.67%) Multi-Factor Authentication
3 1 (16.67%) Proactive Management
3 1 (16.67%) Service Delivery
3 1 (16.67%) TDD
3 1 (16.67%) Test Automation
3 1 (16.67%) Two-Factor Authentication
3 1 (16.67%) Validation
3 1 (16.67%) Web Development
Programming Languages
1 3 (50.00%) Bash Shell
1 3 (50.00%) Java
1 3 (50.00%) JavaScript
1 3 (50.00%) Python
2 1 (16.67%) C++
Qualifications
1 6 (100.00%) Security Cleared
2 4 (66.67%) SC Cleared
3 1 (16.67%) DV Cleared
Quality Assurance & Compliance
1 1 (16.67%) JSP 440
System Software
1 1 (16.67%) Active Directory
1 1 (16.67%) VMware ESXi
1 1 (16.67%) VMware Infrastructure
1 1 (16.67%) vSphere
Systems Management
1 3 (50.00%) SELinux
2 2 (33.33%) Ansible
3 1 (16.67%) vCenter Server
Vendors
1 2 (33.33%) Hortonworks
2 1 (16.67%) Cisco
2 1 (16.67%) HP
2 1 (16.67%) Juniper
2 1 (16.67%) McAfee
2 1 (16.67%) Oracle
2 1 (16.67%) Sophos
2 1 (16.67%) VMware