Period
to 14 November 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 14 November 2018 with a comparison to the same period in the previous 2 years.

CentOS Linux
England > South West
6 months to
14 Nov 2018
Same period 2017 Same period 2016
Rank 213 243 265
Rank change year-on-year +30 +22 +22
Permanent jobs citing CentOS 118 88 79
As % of all permanent IT jobs advertised in the South West 1.15% 0.85% 0.72%
As % of the Operating Systems category 4.41% 3.27% 2.77%
Number of salaries quoted 78 73 70
South West median annual salary £45,000 £40,000 £38,750
Median salary % change year-on-year +12.50% +3.23% -13.89%
10th Percentile £31,250 £33,750 £22,875
90th Percentile £82,000 £58,500 £72,500
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 2,675 2,693 2,855
As % of all permanent IT jobs advertised in the South West 26.15% 25.87% 26.19%
Number of salaries quoted 2,100 2,237 2,472
South West median annual salary £40,000 £40,000 £35,000
Median salary % change year-on-year - +14.29% -6.67%
10th Percentile £24,000 £23,000 £21,500
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 14 November 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 14 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
Gloucestershire +50 52 £45,000 +5.88% 6
Wiltshire 0 26 £52,500 +31.25% 4
Bristol +4 22 £42,500 +6.25% 8
Devon +11 6 £50,000 +42.86% 1
Somerset +37 5 £57,500 +4.55%
Dorset - 5 £32,500 - 1
Cornwall -10 2 £34,000 -32.00%
CentOS
England

For the 6 months to 14 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 South West region with a requirement for CentOS.

1 118 (100.00%) Linux
2 99 (83.90%) Red Hat
3 81 (68.64%) Red Hat Enterprise Linux
4 67 (56.78%) Python
5 63 (53.39%) Agile Software Development
6 57 (48.31%) Java
6 57 (48.31%) DevOps
7 54 (45.76%) Jenkins
7 54 (45.76%) Software Engineering
8 48 (40.68%) Spring
9 45 (38.14%) Scrum
10 44 (37.29%) Atlassian Bamboo
11 41 (34.75%) JIRA
11 41 (34.75%) Confluence
11 41 (34.75%) Apache
12 40 (33.90%) EJB
12 40 (33.90%) C++
12 40 (33.90%) JUnit
12 40 (33.90%) JSF
12 40 (33.90%) Ubuntu
13 37 (31.36%) Open Source
14 34 (28.81%) Puppet
14 34 (28.81%) Bitbucket
15 33 (27.97%) Wiki
15 33 (27.97%) Java EE
16 31 (26.27%) VMware
16 31 (26.27%) OO
16 31 (26.27%) OOD
16 31 (26.27%) Amazon AWS
16 31 (26.27%) EasyMock

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 41 (34.75%) Apache
1 41 (34.75%) Confluence
2 9 (7.63%) Elasticsearch
3 7 (5.93%) SharePoint
4 4 (3.39%) Exchange Server 2010
4 4 (3.39%) Exchange Server 2013
4 4 (3.39%) JBoss
4 4 (3.39%) MS Exchange
4 4 (3.39%) SharePoint 2013
5 3 (2.54%) OpenStack
5 3 (2.54%) Tomcat
6 2 (1.69%) WordPress
7 1 (0.85%) Apache Spark
Applications
1 1 (0.85%) Microsoft Excel
1 1 (0.85%) Microsoft Office
Business Applications
1 2 (1.69%) Payment Gateway
Cloud Services
1 31 (26.27%) Amazon AWS
2 13 (11.02%) Google Cloud Platform
3 10 (8.47%) AWS CloudFormation
4 7 (5.93%) Cloud Computing
5 6 (5.08%) Microsoft Azure
6 2 (1.69%) Amazon CloudWatch
6 2 (1.69%) AWS OpsWorks
6 2 (1.69%) Datadog
6 2 (1.69%) GitHub
Communications & Networking
1 10 (8.47%) Firewall
2 5 (4.24%) TCP/IP
3 4 (3.39%) DNS
3 4 (3.39%) Fibre Channel
3 4 (3.39%) Wireless
4 2 (1.69%) SNMP
4 2 (1.69%) VPN
5 1 (0.85%) Cisco ASA
5 1 (0.85%) DHCP
5 1 (0.85%) FTP
5 1 (0.85%) HTTP
5 1 (0.85%) IPsec
5 1 (0.85%) IPv4
5 1 (0.85%) iSCSI
5 1 (0.85%) L2TP
5 1 (0.85%) SSH
5 1 (0.85%) VLAN
5 1 (0.85%) Wi-Fi
Database & Business Intelligence
1 26 (22.03%) MySQL
2 16 (13.56%) Big Data
3 15 (12.71%) Relational Database
4 13 (11.02%) Hadoop
5 11 (9.32%) SQL Server
6 10 (8.47%) RDBMS
7 8 (6.78%) Amazon Redshift
7 8 (6.78%) BigQuery
7 8 (6.78%) Data Lake
7 8 (6.78%) Data Warehouse
7 8 (6.78%) Oracle Reports
7 8 (6.78%) SQL Server 2008
7 8 (6.78%) SQL Server 2012
7 8 (6.78%) SQL Server 2014
8 7 (5.93%) MarkLogic
9 6 (5.08%) MongoDB
9 6 (5.08%) PostgreSQL
10 2 (1.69%) Apache Cassandra
10 2 (1.69%) Apache Hive
10 2 (1.69%) Electronic Patient Records
Development Applications
1 54 (45.76%) Jenkins
2 44 (37.29%) Atlassian Bamboo
3 41 (34.75%) JIRA
4 40 (33.90%) JUnit
5 34 (28.81%) Bitbucket
6 31 (26.27%) EasyMock
7 20 (16.95%) Git (software)
8 9 (7.63%) Eclipse
9 7 (5.93%) Maven
10 5 (4.24%) Selenium
11 2 (1.69%) Artifactory
11 2 (1.69%) GitLab
11 2 (1.69%) Grunt
11 2 (1.69%) gulp
11 2 (1.69%) JMeter
11 2 (1.69%) PhantomJS
11 2 (1.69%) PHPUnit
11 2 (1.69%) Travis CI
11 2 (1.69%) Vagrant
11 2 (1.69%) Zephyr
General
1 10 (8.47%) Finance
2 3 (2.54%) Law
2 3 (2.54%) Military
2 3 (2.54%) Telecoms
3 2 (1.69%) Electronics
3 2 (1.69%) Manufacturing
3 2 (1.69%) Marketing
Job Titles
1 43 (36.44%) DevOps Engineer
2 34 (28.81%) Java Engineer
2 34 (28.81%) Software Engineer
3 33 (27.97%) Java Software Engineer
4 32 (27.12%) Developer
5 21 (17.80%) Java Developer
6 13 (11.02%) Software Developer
7 12 (10.17%) Administrator
7 12 (10.17%) Developer/Software Engineer
7 12 (10.17%) Java Software Developer
8 11 (9.32%) DevOps Developer
8 11 (9.32%) Infrastructure Engineer
8 11 (9.32%) Systems Administrator
9 10 (8.47%) Agile Developer
9 10 (8.47%) Agile Java Developer
10 9 (7.63%) Architect
11 8 (6.78%) Data Architect
11 8 (6.78%) Linux Engineer
12 7 (5.93%) Linux Administrator
12 7 (5.93%) Systems Engineer
Libraries, Frameworks & Software Standards
1 48 (40.68%) Spring
2 40 (33.90%) EJB
2 40 (33.90%) JSF
3 33 (27.97%) Java EE
4 8 (6.78%) Spring Boot
4 8 (6.78%) XML
5 7 (5.93%) CSS
5 7 (5.93%) Django
5 7 (5.93%) HTML
5 7 (5.93%) LAMP
6 6 (5.08%) Elastic Stack
7 5 (4.24%) CodeIgniter
7 5 (4.24%) LAPP Stack
7 5 (4.24%) Phalcon
7 5 (4.24%) REST
7 5 (4.24%) SOAP
7 5 (4.24%) Web Services
8 4 (3.39%) jQuery
8 4 (3.39%) Kafka
9 3 (2.54%) CGI
Miscellaneous
1 33 (27.97%) Wiki
2 12 (10.17%) Linux Command Line
3 11 (9.32%) Clustering
4 8 (6.78%) User Experience
5 7 (5.93%) Computer Science
5 7 (5.93%) Cyberthreat
6 5 (4.24%) Data Centre
7 4 (3.39%) EMC VNX
8 3 (2.54%) Cybercrime
8 3 (2.54%) Enterprise Storage
8 3 (2.54%) Private Cloud
9 2 (1.69%) Analytical Skills
9 2 (1.69%) Management Information System
10 1 (0.85%) Cyberattack
10 1 (0.85%) Renewable Energy
Operating Systems
1 118 (100.00%) Linux
2 81 (68.64%) Red Hat Enterprise Linux
3 40 (33.90%) Ubuntu
4 25 (21.19%) Windows
5 10 (8.47%) Unix
5 10 (8.47%) Windows Server
6 9 (7.63%) Windows Server 2008
7 8 (6.78%) Debian
7 8 (6.78%) Fedora
8 7 (5.93%) Solaris
8 7 (5.93%) Windows Server 2012
9 3 (2.54%) Windows 10
10 2 (1.69%) DC/OS
10 2 (1.69%) SUSE
11 1 (0.85%) Android
11 1 (0.85%) Apple iOS
11 1 (0.85%) Kali Linux
Processes & Methodologies
1 63 (53.39%) Agile Software Development
2 57 (48.31%) DevOps
3 54 (45.76%) Software Engineering
4 45 (38.14%) Scrum
5 37 (31.36%) Open Source
6 31 (26.27%) OO
6 31 (26.27%) OOD
7 27 (22.88%) Requirements Analysis
8 19 (16.10%) Cybersecurity
9 18 (15.25%) Service Delivery
10 15 (12.71%) Infrastructure Engineering
10 15 (12.71%) ITIL
11 12 (10.17%) Configuration Management
11 12 (10.17%) Mentoring
12 11 (9.32%) Load Balancing
13 10 (8.47%) High Availability
14 9 (7.63%) Continuous Delivery
14 9 (7.63%) Continuous Improvement
14 9 (7.63%) Continuous Integration
14 9 (7.63%) Service Management
Programming Languages
1 67 (56.78%) Python
2 57 (48.31%) Java
3 40 (33.90%) C++
4 25 (21.19%) Bash Shell
5 13 (11.02%) C
5 13 (11.02%) Perl
5 13 (11.02%) SQL
6 11 (9.32%) PHP
6 11 (9.32%) PowerShell
7 10 (8.47%) JavaScript
8 7 (5.93%) Ruby
9 4 (3.39%) C#
9 4 (3.39%) Shell Script
10 1 (0.85%) Scala
Qualifications
1 30 (25.42%) Security Cleared
2 24 (20.34%) DV Cleared
3 16 (13.56%) SC Cleared
4 10 (8.47%) Degree
5 3 (2.54%) Cisco Certification
6 2 (1.69%) CCNA
6 2 (1.69%) CISSP
6 2 (1.69%) CompTIA Security+
6 2 (1.69%) GIAC
6 2 (1.69%) Linux+ Certification
6 2 (1.69%) MCSE
6 2 (1.69%) Microsoft Certification
6 2 (1.69%) Network+ Certification
6 2 (1.69%) SANS
6 2 (1.69%) SSCP
7 1 (0.85%) CCNP
7 1 (0.85%) RHCE
7 1 (0.85%) RHCSA
Quality Assurance & Compliance
1 14 (11.86%) ISO/IEC 27001
2 10 (8.47%) QA
3 5 (4.24%) ISO 9001
4 2 (1.69%) SLA
5 1 (0.85%) PCI DSS
System Software
1 25 (21.19%) VMware Infrastructure
2 24 (20.34%) Docker
3 13 (11.02%) VMware ESXi
4 12 (10.17%) Hyper-V
5 8 (6.78%) Active Directory
6 7 (5.93%) VirtualBox
7 5 (4.24%) Xen
8 3 (2.54%) vSphere
9 2 (1.69%) NFS
9 2 (1.69%) Samba
9 2 (1.69%) Virtual Machines
10 1 (0.85%) KVM
10 1 (0.85%) RHEV
Systems Management
1 34 (28.81%) Puppet
2 19 (16.10%) Ansible
3 16 (13.56%) Nagios
4 9 (7.63%) vCenter Server
5 8 (6.78%) Kubernetes
5 8 (6.78%) SCCM
6 7 (5.93%) Docker Swarm
6 7 (5.93%) Opscode Chef
6 7 (5.93%) ZABBIX
7 5 (4.24%) OpenNMS
8 4 (3.39%) EMC NetWorker
8 4 (3.39%) McAfee ePO
9 3 (2.54%) Cacti
9 3 (2.54%) Terraform
9 3 (2.54%) WSUS
10 2 (1.69%) Cobbler
10 2 (1.69%) Packer
11 1 (0.85%) FreeIPA
11 1 (0.85%) Graylog
11 1 (0.85%) Red Hat Spacewalk
Vendors
1 99 (83.90%) Red Hat
2 31 (26.27%) VMware
3 17 (14.41%) Microsoft
4 13 (11.02%) Google
5 12 (10.17%) Oracle
5 12 (10.17%) SolarWinds
6 8 (6.78%) Teradata
7 6 (5.08%) Dell
7 6 (5.08%) EMC
8 5 (4.24%) Cloudera
8 5 (4.24%) Hortonworks
8 5 (4.24%) Veeam
9 4 (3.39%) Aruba
9 4 (3.39%) Brocade
9 4 (3.39%) McAfee
9 4 (3.39%) Remedy
9 4 (3.39%) Sophos
10 3 (2.54%) Atlassian
10 3 (2.54%) Splunk
11 2 (1.69%) New Relic