Period
to 16 January 2019

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 16 January 2019 with a comparison to the same period in the previous 2 years.

CentOS Linux
South West > Gloucestershire
6 months to
16 Jan 2019
Same period 2018 Same period 2017
Rank 79 113 141
Rank change year-on-year +34 +28 -9
Permanent jobs citing CentOS 33 22 29
As % of all permanent IT jobs advertised in Gloucestershire 2.26% 1.55% 1.30%
As % of the Operating Systems category 8.57% 5.54% 3.85%
Number of salaries quoted 15 18 28
Gloucestershire median annual salary £47,500 £45,000 £42,500
Median salary % change year-on-year +5.56% +5.88% +13.33%
10th Percentile £37,500 £32,500 £22,625
90th Percentile £77,500 £68,750 £72,500
South West median annual salary £50,000 £42,500 £37,500
% change year-on-year +17.65% +13.33% -16.67%

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 385 397 753
As % of all permanent IT jobs advertised in Gloucestershire 26.35% 27.96% 33.69%
Number of salaries quoted 271 324 635
Gloucestershire median annual salary £45,000 £42,500 £40,500
Median salary % change year-on-year +5.88% +4.94% -1.22%
10th Percentile £23,500 £23,000 £25,000
90th Percentile £61,250 £60,000 £60,000
South West median annual salary £40,000 £39,750 £36,500
% change year-on-year +0.63% +8.90% -2.67%

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 16 January 2019.

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 16 January 2019. 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
Cheltenham +17 24 £47,500 +8.57% 3
Gloucester -3 6 £52,500 -27.59% 2
CentOS
South West

For the 6 months to 16 January 2019, IT 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 permanent job ads across the Gloucestershire region with a requirement for CentOS.

1 33 (100.00%) Linux
2 32 (96.97%) Red Hat
3 31 (93.94%) Agile Software Development
4 30 (90.91%) Python
5 29 (87.88%) Red Hat Enterprise Linux
6 28 (84.85%) DevOps
7 25 (75.76%) Java
7 25 (75.76%) Software Engineering
8 24 (72.73%) C++
8 24 (72.73%) Jenkins
9 21 (63.64%) Bitbucket
9 21 (63.64%) Confluence
9 21 (63.64%) Java EE
9 21 (63.64%) Wiki
9 21 (63.64%) JIRA
9 21 (63.64%) Atlassian Bamboo
9 21 (63.64%) JUnit
9 21 (63.64%) EJB
9 21 (63.64%) Spring
9 21 (63.64%) JSF
9 21 (63.64%) Scrum
10 20 (60.61%) Apache NiFi
11 18 (54.55%) Open Source
12 17 (51.52%) EasyMock
12 17 (51.52%) OO
12 17 (51.52%) OOD
12 17 (51.52%) Apache
13 16 (48.48%) Requirements Analysis
14 13 (39.39%) DV Cleared
14 13 (39.39%) Security Cleared

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 21 (63.64%) Confluence
2 17 (51.52%) Apache
3 4 (12.12%) Elasticsearch
4 2 (6.06%) JBoss
5 1 (3.03%) OpenStack
Cloud Services
1 1 (3.03%) Microsoft Azure
Communications & Networking
1 1 (3.03%) DNS
1 1 (3.03%) SSH
Database & Business Intelligence
1 10 (30.30%) Big Data
2 6 (18.18%) Hadoop
3 4 (12.12%) Apache Cassandra
3 4 (12.12%) Apache Hive
3 4 (12.12%) MongoDB
4 2 (6.06%) MySQL
Development Applications
1 24 (72.73%) Jenkins
2 21 (63.64%) Atlassian Bamboo
2 21 (63.64%) Bitbucket
2 21 (63.64%) JIRA
2 21 (63.64%) JUnit
3 17 (51.52%) EasyMock
4 2 (6.06%) Cucumber
4 2 (6.06%) Eclipse
4 2 (6.06%) JMeter
4 2 (6.06%) Selenium
4 2 (6.06%) Zephyr
5 1 (3.03%) Git (software)
5 1 (3.03%) Mockito
General
1 1 (3.03%) Law
1 1 (3.03%) Military
Job Titles
1 21 (63.64%) Java Engineer
1 21 (63.64%) Java Software Engineer
1 21 (63.64%) Software Engineer
2 19 (57.58%) DevOps Engineer
3 14 (42.42%) Developer
4 12 (36.36%) Java Developer
5 10 (30.30%) Developer/Software Engineer
5 10 (30.30%) Java Software Developer
5 10 (30.30%) Software Developer
6 6 (18.18%) Agile Developer
6 6 (18.18%) Agile Java Developer
6 6 (18.18%) DevOps Developer
7 2 (6.06%) Front End Developer (Client-Side Developer)
7 2 (6.06%) Linux Engineer
7 2 (6.06%) Platform Engineer
8 1 (3.03%) C++ Software Engineer
8 1 (3.03%) Infrastructure Engineer
8 1 (3.03%) Lead Software Engineer
8 1 (3.03%) Python Software Engineer
8 1 (3.03%) Systems Engineer
Libraries, Frameworks & Software Standards
1 21 (63.64%) EJB
1 21 (63.64%) Java EE
1 21 (63.64%) JSF
1 21 (63.64%) Spring
2 20 (60.61%) Apache NiFi
3 6 (18.18%) Kafka
4 3 (9.09%) Elastic Stack
5 2 (6.06%) ActiveMQ
5 2 (6.06%) Ajax
5 2 (6.06%) AngularJS
5 2 (6.06%) CSS
5 2 (6.06%) Gherkin
5 2 (6.06%) HTML5
5 2 (6.06%) jQuery
5 2 (6.06%) JSON
5 2 (6.06%) Node.js
5 2 (6.06%) RabbitMQ
5 2 (6.06%) React
5 2 (6.06%) RESTful
5 2 (6.06%) XML
Miscellaneous
1 21 (63.64%) Wiki
2 3 (9.09%) Cybercrime
3 2 (6.06%) Enterprise Storage
3 2 (6.06%) User Experience
4 1 (3.03%) Cyberattack
4 1 (3.03%) Linux Command Line
4 1 (3.03%) Private Cloud
Operating Systems
1 33 (100.00%) Linux
2 29 (87.88%) Red Hat Enterprise Linux
3 12 (36.36%) Ubuntu
4 7 (21.21%) Windows
5 6 (18.18%) Fedora
6 2 (6.06%) Unix
7 1 (3.03%) Solaris
7 1 (3.03%) Windows Server
7 1 (3.03%) Windows Server 2008
7 1 (3.03%) Windows Server 2012
Processes & Methodologies
1 31 (93.94%) Agile Software Development
2 28 (84.85%) DevOps
3 25 (75.76%) Software Engineering
4 21 (63.64%) Scrum
5 18 (54.55%) Open Source
6 17 (51.52%) OO
6 17 (51.52%) OOD
7 16 (48.48%) Requirements Analysis
8 6 (18.18%) Configuration Management
8 6 (18.18%) Infrastructure Engineering
8 6 (18.18%) Task Automation
8 6 (18.18%) Test Automation
8 6 (18.18%) V-Model
8 6 (18.18%) Waterfall
9 5 (15.15%) Mentoring
10 4 (12.12%) Build Automation
10 4 (12.12%) Continuous Integration
11 2 (6.06%) High Availability
11 2 (6.06%) Service Management
11 2 (6.06%) User Stories
Programming Languages
1 30 (90.91%) Python
2 25 (75.76%) Java
3 24 (72.73%) C++
4 8 (24.24%) Bash Shell
5 7 (21.21%) PowerShell
6 5 (15.15%) JavaScript
7 3 (9.09%) C
8 2 (6.06%) C#
9 1 (3.03%) Perl
9 1 (3.03%) Scala
Qualifications
1 13 (39.39%) DV Cleared
1 13 (39.39%) Security Cleared
2 5 (15.15%) SC Cleared
3 2 (6.06%) CCNA
3 2 (6.06%) Cisco Certification
3 2 (6.06%) CISSP
3 2 (6.06%) CompTIA Security+
3 2 (6.06%) GIAC
3 2 (6.06%) Linux+ Certification
3 2 (6.06%) MCSE
3 2 (6.06%) Microsoft Certification
3 2 (6.06%) Network+ Certification
3 2 (6.06%) SANS
3 2 (6.06%) SSCP
System Software
1 7 (21.21%) Docker
1 7 (21.21%) VMware ESXi
1 7 (21.21%) VMware Infrastructure
2 6 (18.18%) VirtualBox
2 6 (18.18%) Xen
3 2 (6.06%) NFS
3 2 (6.06%) Samba
4 1 (3.03%) Active Directory
4 1 (3.03%) Hyper-V
4 1 (3.03%) vSphere
Systems Management
1 7 (21.21%) Ansible
1 7 (21.21%) Puppet
2 6 (18.18%) Docker Swarm
2 6 (18.18%) Kubernetes
2 6 (18.18%) Nagios
2 6 (18.18%) OpenNMS
2 6 (18.18%) vCenter Server
2 6 (18.18%) ZABBIX
3 1 (3.03%) SCCM
3 1 (3.03%) WSUS
Vendors
1 32 (96.97%) Red Hat
2 7 (21.21%) Microsoft
2 7 (21.21%) VMware
3 6 (18.18%) Cloudera
3 6 (18.18%) Hortonworks
3 6 (18.18%) SolarWinds
4 2 (6.06%) Atlassian
4 2 (6.06%) Dell
4 2 (6.06%) EMC
4 2 (6.06%) NetApp
4 2 (6.06%) Oracle
5 1 (3.03%) BT