Period
to 16 November 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 16 November 2019 with a comparison to the same period in the previous 2 years.

CentOS Linux
England > South West
6 months to
16 Nov 2019
Same period 2018 Same period 2017
Rank 163 219 251
Rank change year-on-year +56 +32 +15
Permanent jobs citing CentOS 177 114 88
As % of all permanent IT jobs advertised in the South West 1.82% 1.12% 0.85%
As % of the Operating Systems category 6.88% 4.28% 3.28%
Number of salaries quoted 171 75 73
South West median annual salary £50,000 £45,000 £40,000
Median salary % change year-on-year +11.11% +12.50% +3.23%
10th Percentile £32,500 £31,250 £33,750
90th Percentile £63,750 £82,750 £58,500
England median annual salary £50,000 £55,000 £50,000
% change year-on-year -9.09% +10.00% -

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 2,573 2,666 2,682
As % of all permanent IT jobs advertised in the South West 26.46% 26.12% 25.92%
Number of salaries quoted 2,111 2,090 2,218
South West median annual salary £40,000 £40,000 £40,000
10th Percentile £23,750 £24,250 £22,750
90th Percentile £61,250 £61,250 £60,000
England median annual salary £45,000 £47,500 £45,000
% change year-on-year -5.26% +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 16 November 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 16 November 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 -9 66 £47,500 +5.56% 6
Wiltshire +16 51 £57,500 +9.52% 5
Somerset +27 26 £45,000 -21.74% 4
Bristol +22 19 £51,250 +20.59% 5
Cornwall +32 8 £35,000 +2.94%
Dorset +2 7 £40,000 +23.08%
CentOS
England

For the 6 months to 16 November 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.

1 177 (100.00%) Linux
2 129 (72.88%) Red Hat
3 86 (48.59%) Python
4 73 (41.24%) DevOps
5 72 (40.68%) Security Cleared
6 68 (38.42%) Red Hat Enterprise Linux
6 68 (38.42%) Windows
7 66 (37.29%) Ubuntu
7 66 (37.29%) Puppet
8 61 (34.46%) Agile Software Development
9 60 (33.90%) Kubernetes
10 58 (32.77%) Bash Shell
11 53 (29.94%) Docker
12 50 (28.25%) Apache
13 49 (27.68%) Debian
13 49 (27.68%) Ansible
14 48 (27.12%) Jenkins
14 48 (27.12%) VMware
15 46 (25.99%) JIRA
16 45 (25.42%) DV Cleared
17 39 (22.03%) SC Cleared
17 39 (22.03%) Windows Server
18 38 (21.47%) ITIL
19 36 (20.34%) Scrum
19 36 (20.34%) VMware Infrastructure
20 34 (19.21%) AWS
20 34 (19.21%) Java
21 33 (18.64%) Git (software)
22 32 (18.08%) Continuous Integration
22 32 (18.08%) GCP

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 50 (28.25%) Apache
2 25 (14.12%) Confluence
3 13 (7.34%) Elasticsearch
3 13 (7.34%) nginx
4 12 (6.78%) Tomcat
5 10 (5.65%) SharePoint
6 8 (4.52%) WordPress
7 3 (1.69%) IIS
8 2 (1.13%) OpenStack
9 1 (0.56%) Apache Spark
Applications
1 9 (5.08%) Microsoft Office
Cloud Services
1 34 (19.21%) AWS
2 32 (18.08%) GCP
3 30 (16.95%) Azure
4 12 (6.78%) Virtual Private Cloud
5 8 (4.52%) npm
6 6 (3.39%) OpenShift
7 4 (2.26%) Cloud Computing
7 4 (2.26%) G Suite
7 4 (2.26%) Google App Engine
8 3 (1.69%) IaaS
9 2 (1.13%) AWS CloudFormation
10 1 (0.56%) Office 365
Communications & Networking
1 29 (16.38%) Firewall
2 24 (13.56%) VPN
3 16 (9.04%) VLAN
4 12 (6.78%) DMZ
5 11 (6.21%) SAN
6 9 (5.08%) TCP/IP
7 8 (4.52%) DNS
7 8 (4.52%) OSPF
7 8 (4.52%) SSH
8 7 (3.95%) DHCP
8 7 (3.95%) Ethernet
8 7 (3.95%) IGMP
8 7 (3.95%) MPLS
8 7 (3.95%) Multicast
8 7 (3.95%) Wireless
9 6 (3.39%) LAN
9 6 (3.39%) WAN
10 4 (2.26%) OpenVPN
11 3 (1.69%) Network Security
11 3 (1.69%) Remote Desktop
Database & Business Intelligence
1 13 (7.34%) MySQL
2 11 (6.21%) Big Data
3 7 (3.95%) MongoDB
4 5 (2.82%) PostgreSQL
5 4 (2.26%) BigQuery
5 4 (2.26%) MariaDB
5 4 (2.26%) NoSQL
5 4 (2.26%) SQL Server
6 2 (1.13%) Apache Cassandra
6 2 (1.13%) Apache Hive
6 2 (1.13%) CouchDB
6 2 (1.13%) Hadoop
7 1 (0.56%) Amazon DynamoDB
7 1 (0.56%) Apache Ignite
7 1 (0.56%) Ingres
7 1 (0.56%) RDBMS
7 1 (0.56%) Redis
7 1 (0.56%) Relational Database
7 1 (0.56%) Riak
Development Applications
1 48 (27.12%) Jenkins
2 46 (25.99%) JIRA
3 33 (18.64%) Git (software)
4 28 (15.82%) JUnit
5 20 (11.30%) Atlassian Bamboo
6 19 (10.73%) Bitbucket
7 18 (10.17%) Bitbucket Server
8 16 (9.04%) EasyMock
9 11 (6.21%) Subversion
10 8 (4.52%) NetBeans
10 8 (4.52%) Visual Studio
11 7 (3.95%) Cucumber
11 7 (3.95%) Maven
12 3 (1.69%) Robot Framework
12 3 (1.69%) TestRail
13 2 (1.13%) Eclipse
14 1 (0.56%) git-flow
14 1 (0.56%) GitLab
General
1 26 (14.69%) Finance
2 20 (11.30%) Public Sector
3 15 (8.47%) Retail
4 12 (6.78%) Automotive
5 11 (6.21%) Electronics
5 11 (6.21%) Manufacturing
5 11 (6.21%) Marketing
5 11 (6.21%) Telecoms
6 9 (5.08%) Games
7 4 (2.26%) Publishing
8 2 (1.13%) Back Office
8 2 (1.13%) Local Government
9 1 (0.56%) Aerospace
9 1 (0.56%) Legal
Job Titles
1 33 (18.64%) Developer
1 33 (18.64%) Linux Engineer
2 29 (16.38%) Infrastructure Engineer
3 22 (12.43%) DevOps Engineer
4 19 (10.73%) Platform Engineer
5 18 (10.17%) Senior Linux Engineer
6 14 (7.91%) Administrator
7 12 (6.78%) Software Engineer
7 12 (6.78%) Systems Administrator
7 12 (6.78%) Systems Engineer
8 11 (6.21%) Java Developer
8 11 (6.21%) Linux Infrastructure Engineer
9 10 (5.65%) Linux/Unix DevOps
10 9 (5.08%) Consultant
10 9 (5.08%) Full Stack Developer
10 9 (5.08%) Lead Tester
10 9 (5.08%) Software Developer
10 9 (5.08%) Technical Leader
10 9 (5.08%) Technical Tester
10 9 (5.08%) Tester
Libraries, Frameworks & Software Standards
1 29 (16.38%) Spring
2 22 (12.43%) Java EE
3 20 (11.30%) EJB
3 20 (11.30%) JSF
4 14 (7.91%) CSS
4 14 (7.91%) HTML
5 13 (7.34%) Elastic Stack
5 13 (7.34%) HTML5
5 13 (7.34%) Node.js
6 12 (6.78%) jQuery
6 12 (6.78%) LAMP
6 12 (6.78%) RESTful
7 10 (5.65%) Apache NiFi
8 8 (4.52%) Sass
9 5 (2.82%) AngularJS
9 5 (2.82%) JSON
9 5 (2.82%) React
10 4 (2.26%) Google Maps API
10 4 (2.26%) Guice
10 4 (2.26%) OAuth
Miscellaneous
1 18 (10.17%) Wiki
2 12 (6.78%) Public Cloud
3 10 (5.65%) Driving Licence
3 10 (5.65%) Management Information System
4 8 (4.52%) Analytical Skills
5 6 (3.39%) Clustering
5 6 (3.39%) Data Centre
5 6 (3.39%) User Experience
6 5 (2.82%) Enterprise Storage
6 5 (2.82%) Linux Command Line
7 4 (2.26%) Blog
8 3 (1.69%) Cyberattack
8 3 (1.69%) PKI
9 2 (1.13%) Cybercrime
9 2 (1.13%) Greenfield Project
10 1 (0.56%) Private Cloud
10 1 (0.56%) Self-Motivation
10 1 (0.56%) Tandem
10 1 (0.56%) Virtual Team
Operating Systems
1 177 (100.00%) Linux
2 68 (38.42%) Red Hat Enterprise Linux
2 68 (38.42%) Windows
3 66 (37.29%) Ubuntu
4 49 (27.68%) Debian
5 39 (22.03%) Windows Server
6 21 (11.86%) Fedora
7 20 (11.30%) Unix
8 17 (9.60%) Solaris
9 12 (6.78%) Windows Server 2012
10 9 (5.08%) Windows 7
11 7 (3.95%) SUSE
12 4 (2.26%) Windows Server 2008
13 1 (0.56%) Android
13 1 (0.56%) Apple iOS
13 1 (0.56%) Gentoo
13 1 (0.56%) Mandriva Linux
13 1 (0.56%) openSUSE
13 1 (0.56%) Slackware
Processes & Methodologies
1 73 (41.24%) DevOps
2 61 (34.46%) Agile Software Development
3 38 (21.47%) ITIL
4 36 (20.34%) Scrum
5 32 (18.08%) Continuous Integration
6 31 (17.51%) Infrastructure Engineering
7 29 (16.38%) Open Source
8 28 (15.82%) Service Delivery
9 25 (14.12%) Test Automation
10 24 (13.56%) OO
11 21 (11.86%) Software Engineering
12 19 (10.73%) Configuration Management
13 17 (9.60%) Kanban
13 17 (9.60%) V-Model
13 17 (9.60%) Waterfall
14 16 (9.04%) Mentoring
14 16 (9.04%) OOD
15 14 (7.91%) Patch Management
16 13 (7.34%) Cybersecurity
17 12 (6.78%) Continuous Improvement
Programming Languages
1 86 (48.59%) Python
2 58 (32.77%) Bash Shell
3 34 (19.21%) Java
4 30 (16.95%) Shell Script
5 29 (16.38%) Perl
6 27 (15.25%) C
7 23 (12.99%) C++
7 23 (12.99%) PowerShell
8 21 (11.86%) JavaScript
9 18 (10.17%) SQL
10 15 (8.47%) PHP
11 11 (6.21%) Korn
12 10 (5.65%) Ruby
13 8 (4.52%) C#
14 1 (0.56%) C-shell
14 1 (0.56%) Go
14 1 (0.56%) Java 8
Qualifications
1 72 (40.68%) Security Cleared
2 45 (25.42%) DV Cleared
3 39 (22.03%) SC Cleared
4 15 (8.47%) RHCE
5 12 (6.78%) ISTQB
6 10 (5.65%) Cisco Certification
6 10 (5.65%) Degree
6 10 (5.65%) MCSE
6 10 (5.65%) Microsoft Certification
7 9 (5.08%) CEH
7 9 (5.08%) ISEB
7 9 (5.08%) MCSA
7 9 (5.08%) PRINCE2 Certification
8 6 (3.39%) CCNA
9 5 (2.82%) CCNP
10 3 (1.69%) Computer Science Degree
10 3 (1.69%) RHCSA
11 1 (0.56%) CompTIA Security+
11 1 (0.56%) HNC
11 1 (0.56%) SANS
Quality Assurance & Compliance
1 3 (1.69%) QA
2 2 (1.13%) ISO/IEC 27001
2 2 (1.13%) PCI DSS
System Software
1 53 (29.94%) Docker
2 36 (20.34%) VMware Infrastructure
3 19 (10.73%) Hyper-V
3 19 (10.73%) Xen
4 18 (10.17%) Active Directory
5 13 (7.34%) VirtualBox
6 12 (6.78%) KVM
6 12 (6.78%) VMware ESXi
7 10 (5.65%) Ceph
8 9 (5.08%) Samba
9 8 (4.52%) DRBD
10 7 (3.95%) Btrfs
10 7 (3.95%) vSphere
11 6 (3.39%) NFS
12 4 (2.26%) Dovecot
12 4 (2.26%) Postfix
13 1 (0.56%) Corosync
Systems Management
1 66 (37.29%) Puppet
2 60 (33.90%) Kubernetes
3 49 (27.68%) Ansible
4 24 (13.56%) Red Hat Spacewalk
5 23 (12.99%) Nagios
6 19 (10.73%) SCCM
7 14 (7.91%) Opscode Chef
8 12 (6.78%) Red Hat Satellite
8 12 (6.78%) WSUS
8 12 (6.78%) yum
9 11 (6.21%) Check_MK
9 11 (6.21%) Grafana
9 11 (6.21%) ZABBIX
10 9 (5.08%) SCOM
11 8 (4.52%) cPanel
11 8 (4.52%) Docker Swarm
11 8 (4.52%) Oracle ZFS
11 8 (4.52%) Plesk
12 6 (3.39%) OpenNMS
12 6 (3.39%) vCenter Server
Vendors
1 129 (72.88%) Red Hat
2 48 (27.12%) VMware
3 30 (16.95%) Google
4 22 (12.43%) Microsoft
5 15 (8.47%) Cisco
6 11 (6.21%) SAP
7 7 (3.95%) Dell
7 7 (3.95%) EMC
8 6 (3.39%) Fortinet
8 6 (3.39%) Juniper
8 6 (3.39%) SolarWinds
9 5 (2.82%) Cloudera
9 5 (2.82%) Hortonworks
9 5 (2.82%) NetApp
10 4 (2.26%) Atlassian
10 4 (2.26%) Scality
11 3 (1.69%) HP
12 1 (0.56%) Capita
12 1 (0.56%) LogRhythm
12 1 (0.56%) Palo Alto