Period
to 13 November 2018

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 13 November 2018 with a comparison to the same period in the previous 2 years.

CentOS Linux
South West > Gloucestershire
6 months to
13 Nov 2018
Same period 2017 Same period 2016
Rank 70 125 136
Rank change year-on-year +55 +11 +1
Permanent jobs citing CentOS 52 19 32
As % of all permanent IT jobs advertised in Gloucestershire 3.32% 1.25% 1.44%
As % of the Operating Systems category 11.26% 4.09% 4.25%
Number of salaries quoted 20 17 28
Gloucestershire median annual salary £45,000 £42,500 £45,000
Median salary % change year-on-year +5.88% -5.56% +20.00%
10th Percentile £37,500 £33,750 £28,075
90th Percentile £63,000 £73,250 £72,500
South West median annual salary £45,000 £40,000 £38,750
% change year-on-year +12.50% +3.23% -13.89%

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 462 464 753
As % of all permanent IT jobs advertised in Gloucestershire 29.50% 30.55% 33.83%
Number of salaries quoted 332 389 614
Gloucestershire median annual salary £45,500 £42,500 £40,000
Median salary % change year-on-year +7.06% +6.25% -
10th Percentile £24,550 £23,000 £22,500
90th Percentile £63,500 £58,750 £62,500
South West median annual salary £40,000 £40,000 £35,000
% change year-on-year - +14.29% -6.67%

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 13 November 2018.

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 13 November 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Cheltenham +41 38 £45,000 +12.50% 1
Gloucester +8 9 £42,500 -24.44% 5
CentOS
South West

For the 6 months to 13 November 2018, 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 52 (100.00%) Linux
2 48 (92.31%) Red Hat
3 44 (84.62%) Python
3 44 (84.62%) Red Hat Enterprise Linux
4 41 (78.85%) Agile Software Development
5 39 (75.00%) Software Engineering
5 39 (75.00%) Java
6 38 (73.08%) C++
6 38 (73.08%) Jenkins
7 37 (71.15%) DevOps
8 36 (69.23%) Open Source
9 33 (63.46%) JUnit
9 33 (63.46%) EJB
9 33 (63.46%) Apache
9 33 (63.46%) Confluence
9 33 (63.46%) Atlassian Bamboo
9 33 (63.46%) Spring
9 33 (63.46%) JSF
9 33 (63.46%) Java EE
9 33 (63.46%) JIRA
9 33 (63.46%) Wiki
9 33 (63.46%) Scrum
9 33 (63.46%) Bitbucket
10 31 (59.62%) EasyMock
10 31 (59.62%) OOD
10 31 (59.62%) OO
11 27 (51.92%) Requirements Analysis
12 17 (32.69%) Ubuntu
12 17 (32.69%) Security Cleared
13 16 (30.77%) DV 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 33 (63.46%) Apache
1 33 (63.46%) Confluence
2 3 (5.77%) OpenStack
3 2 (3.85%) Elasticsearch
3 2 (3.85%) JBoss
Applications
1 1 (1.92%) Microsoft Excel
1 1 (1.92%) Microsoft Office
Cloud Services
1 3 (5.77%) Microsoft Azure
2 1 (1.92%) Amazon AWS
Communications & Networking
1 5 (9.62%) TCP/IP
2 4 (7.69%) DNS
3 2 (3.85%) VPN
4 1 (1.92%) Cisco ASA
4 1 (1.92%) DHCP
4 1 (1.92%) FTP
4 1 (1.92%) HTTP
4 1 (1.92%) IPsec
4 1 (1.92%) IPv4
4 1 (1.92%) L2TP
4 1 (1.92%) VLAN
Database & Business Intelligence
1 7 (13.46%) Big Data
2 6 (11.54%) MySQL
3 4 (7.69%) Hadoop
4 3 (5.77%) MongoDB
5 2 (3.85%) Apache Cassandra
5 2 (3.85%) Apache Hive
Development Applications
1 38 (73.08%) Jenkins
2 33 (63.46%) Atlassian Bamboo
2 33 (63.46%) Bitbucket
2 33 (63.46%) JIRA
2 33 (63.46%) JUnit
3 31 (59.62%) EasyMock
4 2 (3.85%) Cucumber
4 2 (3.85%) Eclipse
4 2 (3.85%) JMeter
4 2 (3.85%) Selenium
4 2 (3.85%) Zephyr
General
1 3 (5.77%) Finance
1 3 (5.77%) Law
1 3 (5.77%) Military
2 1 (1.92%) Telecoms
Job Titles
1 34 (65.38%) Software Engineer
2 33 (63.46%) Java Engineer
2 33 (63.46%) Java Software Engineer
3 28 (53.85%) DevOps Engineer
4 17 (32.69%) Developer
5 14 (26.92%) Java Developer
6 13 (25.00%) Software Developer
7 12 (23.08%) Developer/Software Engineer
7 12 (23.08%) Java Software Developer
8 10 (19.23%) Agile Developer
8 10 (19.23%) Agile Java Developer
8 10 (19.23%) DevOps Developer
9 4 (7.69%) Support Engineer
9 4 (7.69%) Systems Engineer
10 2 (3.85%) C++ Developer
10 2 (3.85%) C++ Software Developer
10 2 (3.85%) Linux Developer
10 2 (3.85%) Platform Engineer
11 1 (1.92%) IT Engineer
11 1 (1.92%) IT Support Engineer
Libraries, Frameworks & Software Standards
1 33 (63.46%) EJB
1 33 (63.46%) Java EE
1 33 (63.46%) JSF
1 33 (63.46%) Spring
2 4 (7.69%) Kafka
3 3 (5.77%) CGI
4 2 (3.85%) ActiveMQ
4 2 (3.85%) Ajax
4 2 (3.85%) Django
4 2 (3.85%) Elastic Stack
4 2 (3.85%) Gherkin
4 2 (3.85%) RabbitMQ
5 1 (1.92%) AngularJS
5 1 (1.92%) HTML5
5 1 (1.92%) jQuery
5 1 (1.92%) JSON
5 1 (1.92%) LAMP
5 1 (1.92%) Node.js
5 1 (1.92%) React
5 1 (1.92%) RESTful
Miscellaneous
1 33 (63.46%) Wiki
2 4 (7.69%) Linux Command Line
3 3 (5.77%) Cybercrime
3 3 (5.77%) Private Cloud
4 2 (3.85%) Enterprise Storage
5 1 (1.92%) Cyberattack
5 1 (1.92%) User Experience
Operating Systems
1 52 (100.00%) Linux
2 44 (84.62%) Red Hat Enterprise Linux
3 17 (32.69%) Ubuntu
4 11 (21.15%) Windows
5 5 (9.62%) Debian
5 5 (9.62%) Fedora
6 3 (5.77%) Solaris
6 3 (5.77%) Unix
6 3 (5.77%) Windows Server
6 3 (5.77%) Windows Server 2008
6 3 (5.77%) Windows Server 2012
7 1 (1.92%) Android
7 1 (1.92%) Apple iOS
7 1 (1.92%) Kali Linux
Processes & Methodologies
1 41 (78.85%) Agile Software Development
2 39 (75.00%) Software Engineering
3 37 (71.15%) DevOps
4 36 (69.23%) Open Source
5 33 (63.46%) Scrum
6 31 (59.62%) OO
6 31 (59.62%) OOD
7 27 (51.92%) Requirements Analysis
8 8 (15.38%) Service Delivery
9 6 (11.54%) ITIL
10 5 (9.62%) Configuration Management
10 5 (9.62%) Infrastructure Engineering
10 5 (9.62%) Task Automation
10 5 (9.62%) Test Automation
10 5 (9.62%) V-Model
10 5 (9.62%) Waterfall
11 3 (5.77%) Build Automation
11 3 (5.77%) Continuous Integration
11 3 (5.77%) Cybersecurity
11 3 (5.77%) Workflow Development
Programming Languages
1 44 (84.62%) Python
2 39 (75.00%) Java
3 38 (73.08%) C++
4 9 (17.31%) Bash Shell
5 8 (15.38%) PowerShell
6 7 (13.46%) C
7 5 (9.62%) JavaScript
8 3 (5.77%) Perl
9 2 (3.85%) C#
9 2 (3.85%) SQL
10 1 (1.92%) Scala
Qualifications
1 17 (32.69%) Security Cleared
2 16 (30.77%) DV Cleared
3 4 (7.69%) SC Cleared
4 2 (3.85%) CCNA
4 2 (3.85%) Cisco Certification
4 2 (3.85%) CISSP
4 2 (3.85%) CompTIA Security+
4 2 (3.85%) GIAC
4 2 (3.85%) Linux+ Certification
4 2 (3.85%) MCSE
4 2 (3.85%) Microsoft Certification
4 2 (3.85%) Network+ Certification
4 2 (3.85%) SANS
4 2 (3.85%) SSCP
5 1 (1.92%) Degree
Quality Assurance & Compliance
1 1 (1.92%) SLA
System Software
1 10 (19.23%) VMware Infrastructure
2 8 (15.38%) Docker
2 8 (15.38%) VMware ESXi
3 5 (9.62%) VirtualBox
3 5 (9.62%) Xen
4 3 (5.77%) Active Directory
4 3 (5.77%) Hyper-V
4 3 (5.77%) vSphere
5 2 (3.85%) NFS
5 2 (3.85%) Samba
Systems Management
1 8 (15.38%) Ansible
1 8 (15.38%) Puppet
2 5 (9.62%) Docker Swarm
2 5 (9.62%) Kubernetes
2 5 (9.62%) Nagios
2 5 (9.62%) OpenNMS
2 5 (9.62%) vCenter Server
2 5 (9.62%) ZABBIX
3 3 (5.77%) SCCM
3 3 (5.77%) WSUS
4 1 (1.92%) Nessus
Vendors
1 48 (92.31%) Red Hat
2 10 (19.23%) VMware
3 9 (17.31%) Microsoft
4 5 (9.62%) Cloudera
4 5 (9.62%) Hortonworks
4 5 (9.62%) SolarWinds
5 2 (3.85%) Atlassian
5 2 (3.85%) Dell
5 2 (3.85%) EMC
5 2 (3.85%) NetApp
5 2 (3.85%) Oracle
6 1 (1.92%) Cisco
6 1 (1.92%) Qualys