Period
to 18 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Gloucestershire with a requirement for CentOS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited CentOS over the 6 months to 18 November 2017 with a comparison to the same period in the previous 2 years.

CentOS Linux
South West > Gloucestershire
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 118 132 140
Rank change year-on-year +14 +8 -11
Permanent jobs citing CentOS 19 32 11
As % of all permanent IT jobs advertised in Gloucestershire 1.27% 1.41% 0.53%
As % of the Operating Systems category 4.22% 4.18% 1.77%
Number of salaries quoted 17 28 12
Gloucestershire median annual salary £42,500 £45,000 £37,500
Median salary % change year-on-year -5.56% +20.00% -
10th Percentile £33,750 £28,075 £34,000
90th Percentile £73,250 £72,500 £71,250
South West median annual salary £40,000 £37,500 £45,000
% change year-on-year +6.67% -16.67% +13.92%

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

All Operating Systems
Gloucestershire
Permanent vacancies with a requirement for operating system skills 450 766 623
As % of all permanent IT jobs advertised in Gloucestershire 30.12% 33.73% 30.27%
Number of salaries quoted 375 629 498
Gloucestershire median annual salary £42,500 £40,500 £40,000
Median salary % change year-on-year +4.94% +1.25% +8.11%
10th Percentile £23,000 £22,500 £25,000
90th Percentile £59,500 £62,500 £65,000
South West median annual salary £40,000 £35,000 £37,500
% change year-on-year +14.29% -6.67% +7.14%

CentOS
Job Vacancy Trend in Gloucestershire

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

Job vacancy trend for CentOS in Gloucestershire

CentOS
Salary Trend in Gloucestershire

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing CentOS in Gloucestershire.

Salary trend for CentOS in Gloucestershire

CentOS
Salary Histogram in Gloucestershire

The salary distribution of IT jobs citing CentOS in Gloucestershire over the 6 months to 18 November 2017.

Salary histogram for CentOS in Gloucestershire

CentOS
Job Locations in Gloucestershire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the Gloucestershire region over the 6 months to 18 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Gloucester +24 6 £56,250 +32.35% 1
Cheltenham +4 4 £40,000 -5.88%
Cirencester - 1 £35,700 -
CentOS
South West

For the 6 months to 18 November 2017, IT jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Gloucestershire region with a requirement for CentOS.

1 19 (100.00%) Linux
2 18 (94.74%) Red Hat
3 14 (73.68%) Red Hat Enterprise Linux
4 13 (68.42%) DV Cleared
4 13 (68.42%) Security Cleared
4 13 (68.42%) Python
5 11 (57.89%) JIRA
5 11 (57.89%) Atlassian Bamboo
5 11 (57.89%) Confluence
6 10 (52.63%) Jenkins
7 9 (47.37%) Apache
7 9 (47.37%) ITIL
7 9 (47.37%) C
7 9 (47.37%) DevOps
8 8 (42.11%) Agile Software Development
9 7 (36.84%) Scrum
9 7 (36.84%) Service Delivery
9 7 (36.84%) C++
9 7 (36.84%) Java
9 7 (36.84%) JUnit
9 7 (36.84%) Windows
9 7 (36.84%) EJB
9 7 (36.84%) OO
9 7 (36.84%) OOD
9 7 (36.84%) Active Directory
9 7 (36.84%) Open Source
9 7 (36.84%) Bitbucket
9 7 (36.84%) Windows Server 2012
9 7 (36.84%) Spring
9 7 (36.84%) JSF

CentOS
Co-occurring IT Skills in Gloucestershire 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 11 (57.89%) Confluence
2 9 (47.37%) Apache
3 2 (10.53%) Exchange Server 2013
3 2 (10.53%) SharePoint
3 2 (10.53%) SharePoint 2013
4 1 (5.26%) Apache Qpid
4 1 (5.26%) IIS
4 1 (5.26%) nginx
4 1 (5.26%) OpenStack
4 1 (5.26%) Skype for Business
Cloud Services
1 3 (15.79%) Amazon AWS
2 1 (5.26%) Microsoft Azure
2 1 (5.26%) OpenShift
Communications & Networking
1 2 (10.53%) DHCP
1 2 (10.53%) Network Security
2 1 (5.26%) DNS
2 1 (5.26%) Internet
2 1 (5.26%) Remote Desktop
Database & Business Intelligence
1 3 (15.79%) SQL Server
2 1 (5.26%) MariaDB
2 1 (5.26%) MySQL
Development Applications
1 11 (57.89%) Atlassian Bamboo
1 11 (57.89%) JIRA
2 10 (52.63%) Jenkins
3 7 (36.84%) Bitbucket
3 7 (36.84%) EasyMock
3 7 (36.84%) JUnit
4 1 (5.26%) Git (software)
General
1 2 (10.53%) Electronics
1 2 (10.53%) Finance
1 2 (10.53%) Manufacturing
1 2 (10.53%) Marketing
1 2 (10.53%) Telecoms
2 1 (5.26%) Aerospace
Job Titles
1 6 (31.58%) Java Engineer
1 6 (31.58%) Java Software Engineer
1 6 (31.58%) Software Engineer
2 5 (26.32%) Linux Engineer
2 5 (26.32%) Systems Engineer
3 4 (21.05%) Linux Systems Engineer
4 2 (10.53%) Analyst
4 2 (10.53%) AWS DevOps
4 2 (10.53%) AWS DevOps Engineer
4 2 (10.53%) AWS Engineer
4 2 (10.53%) DevOps Engineer
4 2 (10.53%) Senior DevOps
4 2 (10.53%) Senior DevOps Engineer
4 2 (10.53%) Senior Linux Engineer
4 2 (10.53%) Senior Web Engineer
4 2 (10.53%) Web Engineer
5 1 (5.26%) Linux Administrator
5 1 (5.26%) Linux Systems Administrator
5 1 (5.26%) Systems Administrator
5 1 (5.26%) Technical Support
Libraries, Frameworks & Software Standards
1 7 (36.84%) EJB
1 7 (36.84%) Java EE
1 7 (36.84%) JSF
1 7 (36.84%) Spring
2 1 (5.26%) Apache Camel
2 1 (5.26%) LAMP
2 1 (5.26%) LEMP Stack
Miscellaneous
1 7 (36.84%) Wiki
2 2 (10.53%) User Experience
3 1 (5.26%) Client/Server
3 1 (5.26%) Computer Science
3 1 (5.26%) Cyber Kill Chain
Operating Systems
1 19 (100.00%) Linux
2 14 (73.68%) Red Hat Enterprise Linux
3 7 (36.84%) Windows
3 7 (36.84%) Windows Server
3 7 (36.84%) Windows Server 2012
4 6 (31.58%) Windows 10
5 4 (21.05%) Ubuntu
5 4 (21.05%) Windows 7
6 3 (15.79%) Unix
7 2 (10.53%) Debian
8 1 (5.26%) Solaris
8 1 (5.26%) Windows Server 2008
Processes & Methodologies
1 9 (47.37%) DevOps
1 9 (47.37%) ITIL
2 8 (42.11%) Agile Software Development
3 7 (36.84%) OO
3 7 (36.84%) OOD
3 7 (36.84%) Open Source
3 7 (36.84%) Scrum
3 7 (36.84%) Service Delivery
4 6 (31.58%) Software Engineering
5 4 (21.05%) Migration
6 2 (10.53%) Business Intelligence
6 2 (10.53%) Digital Marketing
6 2 (10.53%) Programme Management
7 1 (5.26%) Configuration Management
7 1 (5.26%) Data Protection
7 1 (5.26%) Load Balancing
7 1 (5.26%) Microservices
7 1 (5.26%) Multi-Factor Authentication
7 1 (5.26%) Patch Management
7 1 (5.26%) Task Automation
Programming Languages
1 13 (68.42%) Python
2 9 (47.37%) C
3 7 (36.84%) C++
3 7 (36.84%) Java
4 5 (26.32%) Perl
5 2 (10.53%) Bash Shell
5 2 (10.53%) PowerShell
5 2 (10.53%) Ruby
6 1 (5.26%) PHP
Qualifications
1 13 (68.42%) DV Cleared
1 13 (68.42%) Security Cleared
2 1 (5.26%) Degree
2 1 (5.26%) GCFA
2 1 (5.26%) GCIA
2 1 (5.26%) GCIH
2 1 (5.26%) GIAC
2 1 (5.26%) GREM
2 1 (5.26%) MCITP
2 1 (5.26%) MCTS
2 1 (5.26%) Microsoft Certification
2 1 (5.26%) SC Cleared
System Software
1 7 (36.84%) Active Directory
2 5 (26.32%) VMware ESXi
2 5 (26.32%) VMware Infrastructure
2 5 (26.32%) vSphere
3 3 (15.79%) Docker
4 2 (10.53%) Virtual Desktop
5 1 (5.26%) Ceph
5 1 (5.26%) DFS Replication
5 1 (5.26%) Dovecot
5 1 (5.26%) Microsoft App-V
5 1 (5.26%) Postfix
5 1 (5.26%) Virtual Machines
Systems Management
1 5 (26.32%) Puppet
1 5 (26.32%) WSUS
2 3 (15.79%) Nagios
2 3 (15.79%) Opscode Chef
2 3 (15.79%) SCCM
3 2 (10.53%) Ansible
3 2 (10.53%) Graphite
3 2 (10.53%) Kubernetes
3 2 (10.53%) SCDPM
3 2 (10.53%) SCOM
3 2 (10.53%) SCOrch
3 2 (10.53%) SCSM
3 2 (10.53%) SCVMM
4 1 (5.26%) Cisco CUCM
4 1 (5.26%) Galera Cluster
4 1 (5.26%) Microsoft Data Protection Manager
4 1 (5.26%) NetBackup
4 1 (5.26%) OpenView
4 1 (5.26%) Red Hat Satellite
Vendors
1 18 (94.74%) Red Hat
2 6 (31.58%) VMware
3 4 (21.05%) Atlassian
4 3 (15.79%) Microsoft
5 2 (10.53%) ArcSight
5 2 (10.53%) Dell
5 2 (10.53%) SAP
6 1 (5.26%) Cisco
6 1 (5.26%) F5
6 1 (5.26%) Google
6 1 (5.26%) HP
6 1 (5.26%) Lumension
6 1 (5.26%) Oracle
6 1 (5.26%) Scality
6 1 (5.26%) Sophos