Period
to 19 August 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 19 August 2019 with a comparison to the same period in the previous 2 years.

CentOS Linux
South West > Gloucestershire
6 months to
19 Aug 2019
Same period 2018 Same period 2017
Rank 79 81 123
Rank change year-on-year +2 +42 +6
Permanent jobs citing CentOS 68 53 25
As % of all permanent IT jobs advertised in Gloucestershire 3.91% 3.15% 1.50%
As % of the Operating Systems category 10.76% 10.50% 4.84%
Number of salaries quoted 61 27 23
Gloucestershire median annual salary £47,500 £45,000 £37,500
Median salary % change year-on-year +5.56% +20.00% -11.76%
10th Percentile £37,500 £34,250 £30,750
90th Percentile £62,500 £56,500 £53,750
South West median annual salary £45,000 £45,000 £40,000
% change year-on-year - +12.50% -5.88%

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 632 505 516
As % of all permanent IT jobs advertised in Gloucestershire 36.32% 29.99% 30.94%
Number of salaries quoted 499 376 443
Gloucestershire median annual salary £46,500 £45,000 £42,500
Median salary % change year-on-year +3.33% +5.88% -
10th Percentile £27,750 £27,500 £24,000
90th Percentile £62,500 £63,750 £60,000
South West median annual salary £40,000 £41,000 £40,000
% change year-on-year -2.44% +2.50% +14.29%

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 19 August 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 19 August 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 +16 42 £45,000 - 3
Gloucester -19 9 £52,500 +6.06% 3
CentOS
South West

For the 6 months to 19 August 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 68 (100.00%) Linux
2 53 (77.94%) Red Hat
2 53 (77.94%) Python
3 44 (64.71%) Security Cleared
4 41 (60.29%) Red Hat Enterprise Linux
5 39 (57.35%) Bash Shell
6 33 (48.53%) DV Cleared
6 33 (48.53%) Jenkins
7 32 (47.06%) Agile Software Development
8 31 (45.59%) DevOps
9 27 (39.71%) Docker
9 27 (39.71%) Puppet
9 27 (39.71%) Service Delivery
10 26 (38.24%) JIRA
10 26 (38.24%) C
10 26 (38.24%) Java
11 25 (36.76%) Open Source
12 24 (35.29%) Confluence
12 24 (35.29%) C++
12 24 (35.29%) Ubuntu
13 23 (33.82%) ITIL
13 23 (33.82%) Kubernetes
14 22 (32.35%) Windows
14 22 (32.35%) Scrum
14 22 (32.35%) Infrastructure Engineering
15 21 (30.88%) Software Engineering
15 21 (30.88%) JUnit
16 20 (29.41%) Apache
16 20 (29.41%) Spring
16 20 (29.41%) VMware

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 24 (35.29%) Confluence
2 20 (29.41%) Apache
3 7 (10.29%) Elasticsearch
4 4 (5.88%) nginx
5 2 (2.94%) Apache Spark
5 2 (2.94%) OpenStack
Cloud Services
1 9 (13.24%) Microsoft Azure
2 6 (8.82%) OpenShift
3 5 (7.35%) Amazon AWS
4 4 (5.88%) Azure Stack
5 2 (2.94%) Google Cloud Platform
Communications & Networking
1 20 (29.41%) Firewall
2 11 (16.18%) DHCP
2 11 (16.18%) DNS
3 8 (11.76%) VLAN
4 6 (8.82%) TCP/IP
4 6 (8.82%) VSAN
5 5 (7.35%) SSH
5 5 (7.35%) VPN
6 4 (5.88%) NetScaler
6 4 (5.88%) OpenVPN
6 4 (5.88%) SAN
7 3 (4.41%) IPsec
7 3 (4.41%) Network Security
8 2 (2.94%) HTTPS
8 2 (2.94%) IPv4
8 2 (2.94%) iSCSI
8 2 (2.94%) OSPF
Database & Business Intelligence
1 12 (17.65%) Big Data
2 8 (11.76%) MySQL
3 7 (10.29%) MongoDB
3 7 (10.29%) PostgreSQL
4 5 (7.35%) NoSQL
5 4 (5.88%) MariaDB
6 2 (2.94%) Apache Cassandra
6 2 (2.94%) Apache Hive
6 2 (2.94%) Hadoop
7 1 (1.47%) SQL Server
Development Applications
1 33 (48.53%) Jenkins
2 26 (38.24%) JIRA
3 21 (30.88%) JUnit
4 20 (29.41%) Bitbucket
5 18 (26.47%) Atlassian Bamboo
5 18 (26.47%) Bitbucket Server
5 18 (26.47%) Git (software)
6 16 (23.53%) EasyMock
7 11 (16.18%) Subversion
8 4 (5.88%) TestRail
9 3 (4.41%) Robot Framework
10 2 (2.94%) git-flow
11 1 (1.47%) Appium
11 1 (1.47%) Eclipse
11 1 (1.47%) eggPlant
11 1 (1.47%) LoadRunner
11 1 (1.47%) Maven
11 1 (1.47%) Selenium
11 1 (1.47%) SoapUI
11 1 (1.47%) Visual Studio
General
1 9 (13.24%) Games
2 4 (5.88%) Military
2 4 (5.88%) Publishing
3 1 (1.47%) Aerospace
3 1 (1.47%) Legal
Job Titles
1 22 (32.35%) Infrastructure Engineer
2 18 (26.47%) Developer
3 13 (19.12%) Platform Engineer
4 12 (17.65%) Software Engineer
5 10 (14.71%) Java Engineer
5 10 (14.71%) Java Software Engineer
5 10 (14.71%) Linux Engineer
6 9 (13.24%) DevOps Engineer
7 8 (11.76%) Consultant
7 8 (11.76%) Java Developer
7 8 (11.76%) Java Software Developer
7 8 (11.76%) Senior Linux Engineer
7 8 (11.76%) Software Developer
8 5 (7.35%) Infrastructure Consultant
8 5 (7.35%) Python Engineer
8 5 (7.35%) Python Software Engineer
8 5 (7.35%) Senior Infrastructure Engineer
9 4 (5.88%) Linux Infrastructure Engineer
9 4 (5.88%) Open Source Developer
9 4 (5.88%) Senior Linux Systems Engineer
Libraries, Frameworks & Software Standards
1 20 (29.41%) Spring
2 18 (26.47%) EJB
2 18 (26.47%) Java EE
2 18 (26.47%) JSF
3 14 (20.59%) Apache NiFi
4 9 (13.24%) Elastic Stack
5 6 (8.82%) AngularJS
5 6 (8.82%) HTML
5 6 (8.82%) JSON
6 5 (7.35%) CSS
6 5 (7.35%) Node.js
6 5 (7.35%) React
6 5 (7.35%) RESTful
7 4 (5.88%) CGI
7 4 (5.88%) Kafka
7 4 (5.88%) LAMP
7 4 (5.88%) LEMP Stack
7 4 (5.88%) XML
8 3 (4.41%) .NET
8 3 (4.41%) Web Services
Miscellaneous
1 18 (26.47%) Wiki
2 5 (7.35%) Enterprise Storage
2 5 (7.35%) Linux Command Line
2 5 (7.35%) User Experience
3 4 (5.88%) Analytical Skills
3 4 (5.88%) Blog
4 3 (4.41%) Cyberattack
4 3 (4.41%) PKI
5 2 (2.94%) Cybercrime
6 1 (1.47%) Data Centre
6 1 (1.47%) Greenfield Project
6 1 (1.47%) Management Information System
Operating Systems
1 68 (100.00%) Linux
2 41 (60.29%) Red Hat Enterprise Linux
3 24 (35.29%) Ubuntu
4 22 (32.35%) Windows
5 14 (20.59%) Debian
6 8 (11.76%) Fedora
7 5 (7.35%) Unix
8 4 (5.88%) Windows Server 2012
9 2 (2.94%) Android
9 2 (2.94%) Apple iOS
10 1 (1.47%) Solaris
10 1 (1.47%) SUSE
10 1 (1.47%) Windows Server 2008
Processes & Methodologies
1 32 (47.06%) Agile Software Development
2 31 (45.59%) DevOps
3 27 (39.71%) Service Delivery
4 25 (36.76%) Open Source
5 23 (33.82%) ITIL
6 22 (32.35%) Infrastructure Engineering
6 22 (32.35%) Scrum
7 21 (30.88%) Software Engineering
8 16 (23.53%) OO
8 16 (23.53%) OOD
9 14 (20.59%) Cybersecurity
10 12 (17.65%) Mentoring
11 9 (13.24%) Build Automation
11 9 (13.24%) Systems Engineering
11 9 (13.24%) Test Automation
11 9 (13.24%) V-Model
11 9 (13.24%) Waterfall
12 8 (11.76%) Configuration Management
12 8 (11.76%) Service Management
13 6 (8.82%) Continuous Integration
Programming Languages
1 53 (77.94%) Python
2 39 (57.35%) Bash Shell
3 26 (38.24%) C
3 26 (38.24%) Java
4 24 (35.29%) C++
5 18 (26.47%) JavaScript
5 18 (26.47%) PowerShell
6 13 (19.12%) SQL
7 8 (11.76%) Perl
7 8 (11.76%) PHP
8 1 (1.47%) C#
8 1 (1.47%) VB
Qualifications
1 44 (64.71%) Security Cleared
2 33 (48.53%) DV Cleared
3 12 (17.65%) SC Cleared
4 11 (16.18%) Cisco Certification
5 7 (10.29%) CCNA
5 7 (10.29%) Degree
6 5 (7.35%) CCNP
7 4 (5.88%) ISTQB
8 2 (2.94%) CISSP
8 2 (2.94%) CompTIA Security+
8 2 (2.94%) GIAC
8 2 (2.94%) Linux+ Certification
8 2 (2.94%) MCSE
8 2 (2.94%) Microsoft Certification
8 2 (2.94%) Network+ Certification
8 2 (2.94%) SANS
8 2 (2.94%) SSCP
9 1 (1.47%) HNC
Quality Assurance & Compliance
1 1 (1.47%) ISO/IEC 27001
System Software
1 27 (39.71%) Docker
2 15 (22.06%) VMware ESXi
3 13 (19.12%) VMware Infrastructure
4 9 (13.24%) NFS
5 6 (8.82%) VirtualBox
5 6 (8.82%) Xen
6 5 (7.35%) Samba
6 5 (7.35%) vSphere
7 4 (5.88%) Ceph
7 4 (5.88%) Dovecot
7 4 (5.88%) Hyper-V
7 4 (5.88%) Postfix
7 4 (5.88%) VMware NSX
8 3 (4.41%) Active Directory
Systems Management
1 27 (39.71%) Puppet
2 23 (33.82%) Kubernetes
3 19 (27.94%) Ansible
4 15 (22.06%) Nagios
5 10 (14.71%) vCenter Server
6 9 (13.24%) Check_MK
6 9 (13.24%) Grafana
6 9 (13.24%) SCCM
7 6 (8.82%) Docker Swarm
7 6 (8.82%) OpenNMS
7 6 (8.82%) vRealize
7 6 (8.82%) ZABBIX
8 4 (5.88%) Galera Cluster
8 4 (5.88%) HP ALM
8 4 (5.88%) NetBackup
8 4 (5.88%) SCOrch
8 4 (5.88%) WSUS
8 4 (5.88%) yum
9 1 (1.47%) Opscode Chef
9 1 (1.47%) Salt
Vendors
1 53 (77.94%) Red Hat
2 20 (29.41%) VMware
3 14 (20.59%) Microsoft
4 11 (16.18%) Cisco
5 7 (10.29%) Dell
5 7 (10.29%) EMC
6 6 (8.82%) SolarWinds
7 5 (7.35%) Cloudera
7 5 (7.35%) Hortonworks
7 5 (7.35%) NetApp
8 4 (5.88%) Atlassian
8 4 (5.88%) Citrix
8 4 (5.88%) HP
8 4 (5.88%) Oracle
8 4 (5.88%) Scality
9 2 (2.94%) Google
10 1 (1.47%) LogRhythm
10 1 (1.47%) Palo Alto