Period
to 17 January 2019

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

CentOS Linux
England > South West
6 months to
17 Jan 2019
Same period 2018 Same period 2017
Rank 226 251 258
Rank change year-on-year +25 +7 +43
Permanent jobs citing CentOS 93 76 81
As % of all permanent IT jobs advertised in the South West 0.95% 0.76% 0.77%
As % of the Operating Systems category 3.59% 2.84% 3.01%
Number of salaries quoted 74 70 73
South West median annual salary £50,000 £43,750 £37,500
Median salary % change year-on-year +14.29% +16.67% -16.67%
10th Percentile £36,450 £33,750 £21,750
90th Percentile £83,000 £58,750 £70,750
England median annual salary £55,000 £50,000 £50,000
% change year-on-year +10.00% - +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 2,590 2,674 2,693
As % of all permanent IT jobs advertised in the South West 26.53% 26.65% 25.47%
Number of salaries quoted 2,012 2,166 2,324
South West median annual salary £40,000 £40,000 £36,750
Median salary % change year-on-year - +8.84% -2.00%
10th Percentile £24,500 £22,500 £21,750
90th Percentile £61,250 £60,000 £57,500
England median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - -

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 17 January 2019.

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 17 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
Gloucestershire +31 32 £47,500 +5.56% 6
Wiltshire -11 25 £64,750 +61.88% 2
Bristol +16 22 £44,500 +4.71% 13
Devon - 11 £42,500 - 1
Somerset +8 3 £73,750 +26.07% 2
CentOS
England

For the 6 months to 17 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 South West region with a requirement for CentOS.

1 93 (100.00%) Linux
2 73 (78.49%) Red Hat
3 69 (74.19%) Red Hat Enterprise Linux
4 55 (59.14%) Python
5 48 (51.61%) Agile Software Development
6 41 (44.09%) DevOps
7 40 (43.01%) Scrum
8 39 (41.94%) Software Engineering
8 39 (41.94%) Ubuntu
9 38 (40.86%) Puppet
10 34 (36.56%) Jenkins
11 30 (32.26%) Amazon AWS
11 30 (32.26%) Java
12 27 (29.03%) MySQL
12 27 (29.03%) Atlassian Bamboo
13 26 (27.96%) Apache
13 26 (27.96%) Spring
14 25 (26.88%) Configuration Management
15 24 (25.81%) Windows
16 23 (24.73%) C++
16 23 (24.73%) VMware
16 23 (24.73%) Relational Database
16 23 (24.73%) JIRA
16 23 (24.73%) Confluence
17 22 (23.66%) Big Data
17 22 (23.66%) JSF
17 22 (23.66%) JUnit
17 22 (23.66%) EJB
18 21 (22.58%) Bitbucket
18 21 (22.58%) ISO/IEC 27001

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 26 (27.96%) Apache
2 23 (24.73%) Confluence
3 6 (6.45%) Elasticsearch
4 2 (2.15%) JBoss
5 1 (1.08%) Apache Spark
5 1 (1.08%) OpenStack
5 1 (1.08%) Tomcat
Cloud Services
1 30 (32.26%) Amazon AWS
2 17 (18.28%) Google Cloud Platform
3 8 (8.60%) AWS CloudFormation
4 7 (7.53%) Microsoft Azure
5 4 (4.30%) Amazon CloudWatch
5 4 (4.30%) Datadog
6 3 (3.23%) Cloud Computing
7 1 (1.08%) Azure Active Directory
7 1 (1.08%) IaaS
7 1 (1.08%) PaaS
Communications & Networking
1 7 (7.53%) iSCSI
2 4 (4.30%) Firewall
3 2 (2.15%) Wi-Fi
4 1 (1.08%) DNS
4 1 (1.08%) OpenVPN
4 1 (1.08%) SSH
4 1 (1.08%) VLAN
4 1 (1.08%) VoIP
4 1 (1.08%) VPN
4 1 (1.08%) Wireless
Database & Business Intelligence
1 27 (29.03%) MySQL
2 23 (24.73%) Relational Database
3 22 (23.66%) Big Data
4 18 (19.35%) Hadoop
5 14 (15.05%) RDBMS
5 14 (15.05%) SQL Server
6 12 (12.90%) Amazon Redshift
6 12 (12.90%) BigQuery
6 12 (12.90%) Data Lake
6 12 (12.90%) Data Warehouse
6 12 (12.90%) Oracle Reports
6 12 (12.90%) SQL Server 2008
6 12 (12.90%) SQL Server 2012
6 12 (12.90%) SQL Server 2014
7 5 (5.38%) MongoDB
8 4 (4.30%) Apache Cassandra
8 4 (4.30%) Apache Hive
9 3 (3.23%) MarkLogic
10 2 (2.15%) Redis
11 1 (1.08%) MariaDB
Development Applications
1 34 (36.56%) Jenkins
2 27 (29.03%) Atlassian Bamboo
3 23 (24.73%) JIRA
4 22 (23.66%) JUnit
5 21 (22.58%) Bitbucket
6 16 (17.20%) EasyMock
7 7 (7.53%) Git (software)
8 5 (5.38%) Vagrant
9 4 (4.30%) Eclipse
9 4 (4.30%) Selenium
9 4 (4.30%) Travis CI
10 3 (3.23%) Maven
11 2 (2.15%) Cucumber
11 2 (2.15%) JMeter
11 2 (2.15%) Zephyr
12 1 (1.08%) Bugzilla
12 1 (1.08%) Buildbot
12 1 (1.08%) Mockito
12 1 (1.08%) Visual Studio
General
1 15 (16.13%) Finance
2 5 (5.38%) Marketing
3 4 (4.30%) Electronics
3 4 (4.30%) Manufacturing
3 4 (4.30%) Telecoms
4 1 (1.08%) Law
4 1 (1.08%) Military
Job Titles
1 27 (29.03%) DevOps Engineer
2 26 (27.96%) Developer
3 20 (21.51%) Administrator
3 20 (21.51%) Java Engineer
3 20 (21.51%) Java Software Engineer
3 20 (21.51%) Software Engineer
4 19 (20.43%) Systems Administrator
5 14 (15.05%) Architect
5 14 (15.05%) Java Developer
6 12 (12.90%) Data Architect
7 11 (11.83%) Senior Systems Administrator
8 10 (10.75%) Backend Developer
8 10 (10.75%) Cloud Architect
8 10 (10.75%) Developer/Software Engineer
8 10 (10.75%) Java Software Developer
8 10 (10.75%) Linux Administrator
8 10 (10.75%) Software Developer
9 9 (9.68%) Linux Systems Administrator
10 6 (6.45%) Agile Developer
10 6 (6.45%) Agile Java Developer
Libraries, Frameworks & Software Standards
1 26 (27.96%) Spring
2 22 (23.66%) EJB
2 22 (23.66%) JSF
3 20 (21.51%) Java EE
4 19 (20.43%) Apache NiFi
5 10 (10.75%) CodeIgniter
5 10 (10.75%) Django
5 10 (10.75%) Phalcon
5 10 (10.75%) REST
6 9 (9.68%) SOAP
6 9 (9.68%) Web Services
7 7 (7.53%) Elastic Stack
7 7 (7.53%) Kafka
8 5 (5.38%) XML
9 4 (4.30%) CSS
9 4 (4.30%) HTML
9 4 (4.30%) JSON
9 4 (4.30%) Spring Boot
10 3 (3.23%) RESTful
11 2 (2.15%) HTML5
Miscellaneous
1 20 (21.51%) Wiki
2 12 (12.90%) Clustering
3 11 (11.83%) Linux Command Line
4 5 (5.38%) User Experience
5 4 (4.30%) Analytical Skills
6 3 (3.23%) Cybercrime
6 3 (3.23%) Cyberthreat
7 2 (2.15%) Enterprise Storage
8 1 (1.08%) Cyberattack
8 1 (1.08%) Data Centre
8 1 (1.08%) Private Cloud
8 1 (1.08%) Renewable Energy
Operating Systems
1 93 (100.00%) Linux
2 69 (74.19%) Red Hat Enterprise Linux
3 39 (41.94%) Ubuntu
4 24 (25.81%) Windows
5 16 (17.20%) Unix
6 13 (13.98%) Solaris
7 12 (12.90%) Windows Server
8 6 (6.45%) Fedora
9 5 (5.38%) Windows Server 2008
10 4 (4.30%) DC/OS
11 2 (2.15%) Debian
12 1 (1.08%) Mac OS X
12 1 (1.08%) SUSE
12 1 (1.08%) Windows Server 2012
Processes & Methodologies
1 48 (51.61%) Agile Software Development
2 41 (44.09%) DevOps
3 40 (43.01%) Scrum
4 39 (41.94%) Software Engineering
5 25 (26.88%) Configuration Management
6 18 (19.35%) Open Source
7 17 (18.28%) Mentoring
8 16 (17.20%) OO
8 16 (17.20%) OOD
9 15 (16.13%) Requirements Analysis
10 14 (15.05%) High Availability
11 12 (12.90%) Data Architecture
11 12 (12.90%) Data Protection
11 12 (12.90%) ERD
11 12 (12.90%) Load Balancing
11 12 (12.90%) UML
11 12 (12.90%) Validation
11 12 (12.90%) Visualisation
12 11 (11.83%) ITIL
13 10 (10.75%) Continuous Integration
Programming Languages
1 55 (59.14%) Python
2 30 (32.26%) Java
3 23 (24.73%) C++
4 20 (21.51%) Bash Shell
5 17 (18.28%) SQL
6 11 (11.83%) PowerShell
7 10 (10.75%) Perl
7 10 (10.75%) PHP
8 7 (7.53%) JavaScript
9 6 (6.45%) Ruby
9 6 (6.45%) Shell Script
10 3 (3.23%) C
11 2 (2.15%) C#
12 1 (1.08%) Scala
Qualifications
1 20 (21.51%) Security Cleared
2 16 (17.20%) DV Cleared
3 11 (11.83%) Degree
3 11 (11.83%) SC Cleared
4 4 (4.30%) Cisco Certification
5 3 (3.23%) CCNA
6 2 (2.15%) CISSP
6 2 (2.15%) CompTIA Security+
6 2 (2.15%) GIAC
6 2 (2.15%) Linux+ Certification
6 2 (2.15%) MCSE
6 2 (2.15%) Microsoft Certification
6 2 (2.15%) Network+ Certification
6 2 (2.15%) SANS
6 2 (2.15%) SSCP
7 1 (1.08%) CCNP
7 1 (1.08%) Computer Science Degree
7 1 (1.08%) RHCE
7 1 (1.08%) RHCSA
Quality Assurance & Compliance
1 21 (22.58%) ISO/IEC 27001
2 9 (9.68%) ISO 9001
3 4 (4.30%) QA
4 1 (1.08%) PCI DSS
4 1 (1.08%) SLA
System Software
1 18 (19.35%) Docker
1 18 (19.35%) VMware Infrastructure
2 13 (13.98%) Hyper-V
3 10 (10.75%) VirtualBox
4 7 (7.53%) VMware ESXi
5 6 (6.45%) Xen
6 4 (4.30%) Virtual Machines
7 3 (3.23%) Active Directory
7 3 (3.23%) NFS
7 3 (3.23%) Samba
8 2 (2.15%) RHEV
9 1 (1.08%) KVM
9 1 (1.08%) vSphere
Systems Management
1 38 (40.86%) Puppet
2 17 (18.28%) Ansible
3 12 (12.90%) Kubernetes
4 11 (11.83%) Opscode Chef
5 10 (10.75%) Docker Swarm
6 8 (8.60%) Nagios
7 7 (7.53%) Terraform
8 6 (6.45%) OpenNMS
8 6 (6.45%) vCenter Server
8 6 (6.45%) ZABBIX
9 5 (5.38%) Packer
9 5 (5.38%) Red Hat Spacewalk
10 1 (1.08%) FreeIPA
10 1 (1.08%) Graylog
10 1 (1.08%) SCCM
10 1 (1.08%) WSUS
Vendors
1 73 (78.49%) Red Hat
2 23 (24.73%) VMware
3 17 (18.28%) Google
4 16 (17.20%) Oracle
5 12 (12.90%) Teradata
6 8 (8.60%) Microsoft
7 6 (6.45%) Cloudera
7 6 (6.45%) Hortonworks
7 6 (6.45%) SolarWinds
8 5 (5.38%) Splunk
9 4 (4.30%) New Relic
9 4 (4.30%) SAP
10 3 (3.23%) Atlassian
11 2 (2.15%) Dell
11 2 (2.15%) EMC
11 2 (2.15%) NetApp
12 1 (1.08%) BT
12 1 (1.08%) Cisco
12 1 (1.08%) HP
12 1 (1.08%) ProCurve