Period
to 21 August 2018

The following table provides summary statistics for permanent job vacancies advertised in the South West 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 21 August 2018 with a comparison to the same period in the previous 2 years.

CentOS Linux
England > South West
6 months to
21 Aug 2018
Same period 2017 Same period 2016
Rank 214 242 298
Rank change year-on-year +28 +56 -46
Permanent jobs citing CentOS 129 105 56
As % of all permanent IT jobs advertised in the South West 1.24% 1.02% 0.51%
As % of the Operating Systems category 4.67% 3.91% 1.94%
Number of salaries quoted 84 87 44
South West median annual salary £45,000 £40,000 £42,500
Median salary % change year-on-year +12.50% -5.88% +6.25%
10th Percentile £31,250 £32,500 £23,000
90th Percentile £58,750 £55,000 £56,375
England median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - +5.26%

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 the South West with a requirement for operating system skills.

All Operating Systems
South West
Permanent vacancies with a requirement for operating system skills 2,763 2,684 2,881
As % of all permanent IT jobs advertised in the South West 26.59% 25.98% 26.47%
Number of salaries quoted 2,183 2,264 2,516
South West median annual salary £41,000 £40,000 £35,000
Median salary % change year-on-year +2.50% +14.29% -2.78%
10th Percentile £23,750 £23,500 £21,500
90th Percentile £60,000 £60,000 £57,500
England median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - +2.27%

CentOS
Job Vacancy Trend in the South West

Job postings citing CentOS as a percentage of all IT jobs advertised in the South West.

Job vacancy trend for CentOS in the South West

CentOS
Salary Trend in the South West

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

Salary trend for CentOS in the South West

CentOS
Salary Histogram in the South West

The salary distribution of IT jobs citing CentOS in the South West over the 6 months to 21 August 2018.

Salary histogram for CentOS in the South West

CentOS
Job Locations in the South West

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the South West region over the 6 months to 21 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Gloucestershire +43 53 £45,000 +20.00%
Bristol +11 44 £43,500 +8.75% 5
Wiltshire -7 17 £42,500 -15.00% 6
Dorset - 10 £45,000 -
Somerset +33 2 £45,000 -5.26% 4
Devon +15 2 £34,238 -2.18%
Cornwall -18 2 £34,000 -38.18%
Avon - 1 £42,500 -
CentOS
England

For the 6 months to 21 August 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 South West region with a requirement for CentOS.

1 129 (100.00%) Linux
2 109 (84.50%) Red Hat
3 70 (54.26%) Java
3 70 (54.26%) Red Hat Enterprise Linux
4 66 (51.16%) Agile Software Development
5 64 (49.61%) Python
6 59 (45.74%) DevOps
7 54 (41.86%) Jenkins
8 51 (39.53%) Spring
9 46 (35.66%) JIRA
9 46 (35.66%) JUnit
10 45 (34.88%) Atlassian Bamboo
11 44 (34.11%) JSF
11 44 (34.11%) Confluence
11 44 (34.11%) EJB
12 42 (32.56%) Apache
13 41 (31.78%) Software Engineering
14 40 (31.01%) Open Source
15 39 (30.23%) Security Cleared
16 38 (29.46%) Puppet
17 37 (28.68%) C++
18 36 (27.91%) VMware
19 33 (25.58%) Git (software)
20 31 (24.03%) Java EE
21 29 (22.48%) Scrum
21 29 (22.48%) OO
21 29 (22.48%) OOD
21 29 (22.48%) Ubuntu
21 29 (22.48%) EasyMock
21 29 (22.48%) Wiki

CentOS
Co-occurring IT Skills in the South West 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 44 (34.11%) Confluence
2 42 (32.56%) Apache
3 16 (12.40%) Elasticsearch
4 7 (5.43%) SharePoint
5 5 (3.88%) nginx
6 4 (3.10%) Exchange Server 2010
6 4 (3.10%) Exchange Server 2013
6 4 (3.10%) JBoss
6 4 (3.10%) MS Exchange
6 4 (3.10%) SharePoint 2013
7 3 (2.33%) OpenStack
8 2 (1.55%) Tomcat
8 2 (1.55%) WordPress
Applications
1 1 (0.78%) Microsoft Excel
1 1 (0.78%) Microsoft Office
Business Applications
1 2 (1.55%) Payment Gateway
Cloud Services
1 22 (17.05%) Amazon AWS
2 10 (7.75%) AWS OpsWorks
3 6 (4.65%) AWS CloudFormation
3 6 (4.65%) Cloud Computing
4 5 (3.88%) Google Cloud Platform
4 5 (3.88%) OpenShift
5 4 (3.10%) Microsoft Azure
6 2 (1.55%) GitHub
6 2 (1.55%) IaaS
6 2 (1.55%) PaaS
6 2 (1.55%) SaaS
Communications & Networking
1 17 (13.18%) Firewall
2 11 (8.53%) TCP/IP
3 7 (5.43%) Cisco ASA
4 6 (4.65%) DNS
4 6 (4.65%) NAS
4 6 (4.65%) SAN
5 4 (3.10%) Fibre Channel
5 4 (3.10%) Wireless
6 3 (2.33%) VPN
7 2 (1.55%) DHCP
7 2 (1.55%) IPv4
7 2 (1.55%) LAN
7 2 (1.55%) SNMP
7 2 (1.55%) SSH
7 2 (1.55%) VLAN
8 1 (0.78%) FTP
8 1 (0.78%) HTTP
8 1 (0.78%) IPsec
8 1 (0.78%) SMS
8 1 (0.78%) WAN
Database & Business Intelligence
1 20 (15.50%) MySQL
2 6 (4.65%) MarkLogic
3 5 (3.88%) MariaDB
3 5 (3.88%) PostgreSQL
4 4 (3.10%) MongoDB
5 3 (2.33%) Big Data
5 3 (2.33%) Hadoop
6 2 (1.55%) Electronic Patient Records
7 1 (0.78%) SQL Server
Development Applications
1 54 (41.86%) Jenkins
2 46 (35.66%) JIRA
2 46 (35.66%) JUnit
3 45 (34.88%) Atlassian Bamboo
4 33 (25.58%) Git (software)
5 29 (22.48%) Bitbucket
5 29 (22.48%) EasyMock
6 15 (11.63%) Eclipse
7 8 (6.20%) Maven
8 4 (3.10%) Cucumber
8 4 (3.10%) Selenium
9 2 (1.55%) Artifactory
9 2 (1.55%) GitLab
9 2 (1.55%) Grunt
9 2 (1.55%) gulp
9 2 (1.55%) JMeter
9 2 (1.55%) PhantomJS
9 2 (1.55%) PHPUnit
9 2 (1.55%) Zephyr
10 1 (0.78%) Trac
General
1 7 (5.43%) Finance
2 4 (3.10%) Law
3 3 (2.33%) Military
4 2 (1.55%) Retail
5 1 (0.78%) Telecoms
Job Titles
1 42 (32.56%) DevOps Engineer
2 37 (28.68%) Java Engineer
3 33 (25.58%) Developer
4 31 (24.03%) Software Engineer
5 30 (23.26%) Java Software Engineer
6 27 (20.93%) Java Developer
7 22 (17.05%) Linux Engineer
8 16 (12.40%) Infrastructure Engineer
9 14 (10.85%) Applications Developer
9 14 (10.85%) Java Applications Developer
10 10 (7.75%) DevOps Developer
10 10 (7.75%) Lead DevOps
10 10 (7.75%) Lead DevOps Engineer
10 10 (7.75%) Linux DevOps Engineer
10 10 (7.75%) Linux/Unix DevOps
10 10 (7.75%) Software Developer
10 10 (7.75%) Systems Engineer
11 9 (6.98%) Developer/Software Engineer
11 9 (6.98%) Java Software Developer
11 9 (6.98%) Support Engineer
Libraries, Frameworks & Software Standards
1 51 (39.53%) Spring
2 44 (34.11%) EJB
2 44 (34.11%) JSF
3 31 (24.03%) Java EE
4 14 (10.85%) LAMP
5 13 (10.08%) Elastic Stack
6 6 (4.65%) Spring Boot
6 6 (4.65%) XML
7 5 (3.88%) CSS
7 5 (3.88%) HTML
7 5 (3.88%) LAPP Stack
7 5 (3.88%) LEMP Stack
8 3 (2.33%) jQuery
9 2 (1.55%) CSS3
9 2 (1.55%) Gherkin
9 2 (1.55%) Kafka
9 2 (1.55%) RabbitMQ
9 2 (1.55%) RESTful
9 2 (1.55%) Sass
9 2 (1.55%) Servlets
Miscellaneous
1 29 (22.48%) Wiki
2 13 (10.08%) Computer Science
3 12 (9.30%) Linux Command Line
4 6 (4.65%) Cyberthreat
4 6 (4.65%) User Experience
5 5 (3.88%) Data Centre
6 4 (3.10%) EMC VNX
7 3 (2.33%) Analytical Skills
7 3 (2.33%) Clustering
7 3 (2.33%) Private Cloud
8 2 (1.55%) Management Information System
9 1 (0.78%) Cyberattack
9 1 (0.78%) Cybercrime
9 1 (0.78%) Enterprise Storage
Operating Systems
1 129 (100.00%) Linux
2 70 (54.26%) Red Hat Enterprise Linux
3 29 (22.48%) Ubuntu
4 26 (20.16%) Windows
5 17 (13.18%) Debian
6 16 (12.40%) Windows Server
6 16 (12.40%) Windows Server 2008
7 13 (10.08%) Windows Server 2012
8 6 (4.65%) AIX
8 6 (4.65%) Fedora
8 6 (4.65%) Unix
9 5 (3.88%) Windows Server 2003
10 4 (3.10%) Solaris
11 3 (2.33%) Windows 10
11 3 (2.33%) Windows 2000
12 2 (1.55%) SUSE
13 1 (0.78%) Android
13 1 (0.78%) Apple iOS
13 1 (0.78%) Kali Linux
Processes & Methodologies
1 66 (51.16%) Agile Software Development
2 59 (45.74%) DevOps
3 41 (31.78%) Software Engineering
4 40 (31.01%) Open Source
5 29 (22.48%) OO
5 29 (22.48%) OOD
5 29 (22.48%) Scrum
6 26 (20.16%) Cybersecurity
7 25 (19.38%) ITIL
8 22 (17.05%) Requirements Analysis
9 19 (14.73%) Infrastructure Engineering
10 18 (13.95%) Continuous Improvement
10 18 (13.95%) Service Delivery
11 16 (12.40%) Continuous Delivery
12 14 (10.85%) Dependency Injection
13 12 (9.30%) Mentoring
14 9 (6.98%) Project Management
14 9 (6.98%) Service Management
15 8 (6.20%) Continuous Integration
16 7 (5.43%) Enterprise Architecture
Programming Languages
1 70 (54.26%) Java
2 64 (49.61%) Python
3 37 (28.68%) C++
4 23 (17.83%) Bash Shell
4 23 (17.83%) C
5 18 (13.95%) Perl
6 9 (6.98%) JavaScript
7 7 (5.43%) Shell Script
8 6 (4.65%) PHP
8 6 (4.65%) Ruby
9 5 (3.88%) C#
9 5 (3.88%) PowerShell
10 2 (1.55%) SQL
11 1 (0.78%) Scala
Qualifications
1 39 (30.23%) Security Cleared
2 28 (21.71%) DV Cleared
3 27 (20.93%) SC Cleared
4 15 (11.63%) Degree
5 6 (4.65%) CCNA
5 6 (4.65%) Cisco Certification
5 6 (4.65%) VMware Certified Professional (VCP)
6 1 (0.78%) RHCE
6 1 (0.78%) RHCSA
Quality Assurance & Compliance
1 16 (12.40%) QA
2 1 (0.78%) ISO/IEC 27001
2 1 (0.78%) SLA
System Software
1 28 (21.71%) Docker
2 20 (15.50%) Active Directory
3 19 (14.73%) VMware Infrastructure
4 12 (9.30%) Hyper-V
5 9 (6.98%) VMware ESXi
6 5 (3.88%) Ceph
6 5 (3.88%) Dovecot
6 5 (3.88%) Postfix
7 3 (2.33%) vSphere
8 1 (0.78%) KVM
8 1 (0.78%) PowerDNS
8 1 (0.78%) RHEV
8 1 (0.78%) VirtualBox
8 1 (0.78%) Xen
Systems Management
1 38 (29.46%) Puppet
2 18 (13.95%) Ansible
3 12 (9.30%) Nagios
4 11 (8.53%) SCCM
5 7 (5.43%) Kubernetes
5 7 (5.43%) Opscode Chef
6 5 (3.88%) Galera Cluster
6 5 (3.88%) vCenter Server
7 4 (3.10%) EMC NetWorker
7 4 (3.10%) McAfee ePO
8 3 (2.33%) Cacti
8 3 (2.33%) Red Hat Satellite
8 3 (2.33%) SCOrch
8 3 (2.33%) WSUS
8 3 (2.33%) ZABBIX
9 2 (1.55%) Cobbler
9 2 (1.55%) Terraform
10 1 (0.78%) Nessus
10 1 (0.78%) OpenNMS
10 1 (0.78%) Red Hat Spacewalk
Vendors
1 109 (84.50%) Red Hat
2 36 (27.91%) VMware
3 13 (10.08%) Microsoft
4 8 (6.20%) Cisco
4 8 (6.20%) SolarWinds
5 5 (3.88%) EMC
5 5 (3.88%) Google
5 5 (3.88%) Scality
5 5 (3.88%) Veeam
6 4 (3.10%) Aruba
6 4 (3.10%) Brocade
6 4 (3.10%) Dell
6 4 (3.10%) McAfee
6 4 (3.10%) Remedy
6 4 (3.10%) Sophos
7 2 (1.55%) Adobe
7 2 (1.55%) Atlassian
7 2 (1.55%) Oracle
8 1 (0.78%) Juniper
8 1 (0.78%) Qualys