Period
to 19 December 2018

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

CentOS Linux
Berkshire > Reading
6 months to
19 Dec 2018
Same period 2017 Same period 2016
Rank 109 91 140
Rank change year-on-year -18 +49 -29
Permanent jobs citing CentOS 38 65 43
As % of all permanent IT jobs advertised in Reading 1.84% 2.65% 1.29%
As % of the Operating Systems category 5.95% 8.56% 4.08%
Number of salaries quoted 34 59 42
Reading median annual salary £62,500 £45,000 £50,000
Median salary % change year-on-year +38.89% -10.00% +25.00%
10th Percentile £46,250 £26,000 £35,250
90th Percentile £83,688 £72,500 £67,500
Berkshire median annual salary £58,000 £40,000 £50,000
% change year-on-year +45.00% -20.00% +17.65%

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 Reading with a requirement for operating system skills.

All Operating Systems
Reading
Permanent vacancies with a requirement for operating system skills 639 759 1,053
As % of all permanent IT jobs advertised in Reading 30.94% 30.95% 31.69%
Number of salaries quoted 563 617 834
Reading median annual salary £47,500 £45,000 £47,500
Median salary % change year-on-year +5.56% -5.26% +5.56%
10th Percentile £25,750 £23,000 £24,150
90th Percentile £75,000 £72,500 £70,000
Berkshire median annual salary £47,500 £44,000 £47,500
% change year-on-year +7.95% -7.37% +5.56%

CentOS
Job Vacancy Trend in Reading

Job postings citing CentOS as a percentage of all IT jobs advertised in Reading.

Job vacancy trend for CentOS in Reading

CentOS
Salary Trend in Reading

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

Salary trend for CentOS in Reading

CentOS
Salary Histogram in Reading

The salary distribution of IT jobs citing CentOS in Reading over the 6 months to 19 December 2018.

Salary histogram for CentOS in Reading

For the 6 months to 19 December 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 Reading region with a requirement for CentOS.

1 38 (100.00%) Linux
2 37 (97.37%) DevOps
3 33 (86.84%) Amazon AWS
4 31 (81.58%) Python
5 29 (76.32%) Ansible
6 27 (71.05%) Configuration Management
7 26 (68.42%) Red Hat
8 23 (60.53%) Bash Shell
9 22 (57.89%) Terraform
10 20 (52.63%) Elasticsearch
11 19 (50.00%) Google
12 18 (47.37%) Jenkins
13 17 (44.74%) Red Hat Enterprise Linux
14 15 (39.47%) ZABBIX
14 15 (39.47%) Puppet
14 15 (39.47%) Docker
14 15 (39.47%) Elastic Stack
15 14 (36.84%) Ubuntu
15 14 (36.84%) Perl
16 13 (34.21%) TCP/IP
17 12 (31.58%) Java
17 12 (31.58%) JavaScript
17 12 (31.58%) Agile Software Development
17 12 (31.58%) Migration
17 12 (31.58%) BBC
17 12 (31.58%) Kibana
17 12 (31.58%) Task Automation
17 12 (31.58%) Kubernetes
18 11 (28.95%) Opscode Chef
18 11 (28.95%) Big Data

CentOS
Co-occurring IT Skills in Reading 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 20 (52.63%) Elasticsearch
2 4 (10.53%) nginx
2 4 (10.53%) Tomcat
3 1 (2.63%) iPlanet
Cloud Services
1 33 (86.84%) Amazon AWS
2 10 (26.32%) Microsoft Azure
3 8 (21.05%) Google Cloud Platform
4 7 (18.42%) AWS CloudFormation
5 4 (10.53%) Amazon EC2
5 4 (10.53%) Amazon ElastiCache
5 4 (10.53%) Amazon S3
5 4 (10.53%) AWS Elastic Beanstalk
5 4 (10.53%) AWS Lambda
5 4 (10.53%) CloudFront
5 4 (10.53%) GitHub
5 4 (10.53%) Route 53
5 4 (10.53%) SaaS
5 4 (10.53%) Serverless
5 4 (10.53%) Virtual Private Cloud
6 3 (7.89%) Amazon CloudWatch
6 3 (7.89%) Datadog
Communications & Networking
1 13 (34.21%) TCP/IP
2 5 (13.16%) Firewall
3 4 (10.53%) SNMP
3 4 (10.53%) SSH
3 4 (10.53%) VPN
4 2 (5.26%) DNS
5 1 (2.63%) DHCP
5 1 (2.63%) HTTP
5 1 (2.63%) Internet
5 1 (2.63%) LAN
5 1 (2.63%) OpenLDAP
5 1 (2.63%) SMTP
5 1 (2.63%) SSL
5 1 (2.63%) WAN
Database & Business Intelligence
1 11 (28.95%) Big Data
2 8 (21.05%) Apache Cassandra
2 8 (21.05%) NoSQL
3 5 (13.16%) SQL Server
4 4 (10.53%) Amazon RDS
4 4 (10.53%) MongoDB
4 4 (10.53%) MySQL
5 3 (7.89%) MariaDB
5 3 (7.89%) RDBMS
5 3 (7.89%) Relational Database
6 1 (2.63%) DB2
6 1 (2.63%) Redis
Development Applications
1 18 (47.37%) Jenkins
2 11 (28.95%) Atlassian Bamboo
3 8 (21.05%) Git (software)
4 7 (18.42%) Vagrant
5 4 (10.53%) Cucumber
5 4 (10.53%) Sonatype Nexus
5 4 (10.53%) Subversion
6 3 (7.89%) Travis CI
General
1 2 (5.26%) Retail
Job Titles
1 30 (78.95%) DevOps Engineer
2 11 (28.95%) Senior DevOps
2 11 (28.95%) Senior DevOps Engineer
3 5 (13.16%) Cloud Engineer
4 4 (10.53%) AWS DevOps
4 4 (10.53%) Developer
4 4 (10.53%) Linux Engineer
4 4 (10.53%) Linux/Unix DevOps
4 4 (10.53%) Senior Cloud Engineer
5 3 (7.89%) AWS DevOps Engineer
5 3 (7.89%) AWS Engineer
5 3 (7.89%) Linux DevOps Engineer
5 3 (7.89%) Open Source Developer
5 3 (7.89%) Senior Linux Engineer
6 2 (5.26%) Head of DevOps
6 2 (5.26%) Junior
6 2 (5.26%) Junior DevOps
6 2 (5.26%) Junior DevOps Engineer
7 1 (2.63%) Network Engineer
7 1 (2.63%) Principal Network Engineer
Libraries, Frameworks & Software Standards
1 15 (39.47%) Elastic Stack
2 4 (10.53%) .NET
2 4 (10.53%) J2EE
2 4 (10.53%) Node.js
2 4 (10.53%) RESTful
2 4 (10.53%) Web Services
3 1 (2.63%) CGI
3 1 (2.63%) LDAP
Miscellaneous
1 12 (31.58%) BBC
2 8 (21.05%) Linux Command Line
3 5 (13.16%) Enterprise Software
3 5 (13.16%) Management Information System
4 4 (10.53%) Data Centre
4 4 (10.53%) Private Cloud
5 3 (7.89%) Analytical Skills
6 1 (2.63%) Cloud Native
6 1 (2.63%) Hybrid Cloud
6 1 (2.63%) Public Cloud
Operating Systems
1 38 (100.00%) Linux
2 17 (44.74%) Red Hat Enterprise Linux
3 14 (36.84%) Ubuntu
4 7 (18.42%) Debian
5 6 (15.79%) Unix
6 4 (10.53%) DC/OS
6 4 (10.53%) Windows
6 4 (10.53%) Windows Server
6 4 (10.53%) Windows Server 2008
7 1 (2.63%) Mesosphere
7 1 (2.63%) Solaris
7 1 (2.63%) Windows Server 2003
Processes & Methodologies
1 37 (97.37%) DevOps
2 27 (71.05%) Configuration Management
3 12 (31.58%) Agile Software Development
3 12 (31.58%) Migration
3 12 (31.58%) Task Automation
4 11 (28.95%) Continuous Integration
5 8 (21.05%) Open Source
5 8 (21.05%) Scrum
6 7 (18.42%) SDLC
7 5 (13.16%) Computer Science
8 4 (10.53%) Continuous Delivery
8 4 (10.53%) Continuous Deployment
8 4 (10.53%) Deployment Automation
8 4 (10.53%) Information Management
8 4 (10.53%) Infrastructure Engineering
8 4 (10.53%) Load Balancing
8 4 (10.53%) Mathematics
8 4 (10.53%) Microservices
8 4 (10.53%) Release Automation
8 4 (10.53%) Tech Ops
Programming Languages
1 31 (81.58%) Python
2 23 (60.53%) Bash Shell
3 14 (36.84%) Perl
4 12 (31.58%) Java
4 12 (31.58%) JavaScript
5 4 (10.53%) C#
5 4 (10.53%) Ruby
5 4 (10.53%) Shell Script
5 4 (10.53%) SQL
6 1 (2.63%) Go
Qualifications
1 5 (13.16%) Degree
2 4 (10.53%) Computer Science Degree
2 4 (10.53%) SC Cleared
2 4 (10.53%) Security Cleared
Quality Assurance & Compliance
1 1 (2.63%) QA
System Software
1 15 (39.47%) Docker
2 8 (21.05%) VMware Infrastructure
3 4 (10.53%) VMware Server
4 3 (7.89%) Hyper-V
4 3 (7.89%) Virtual Machines
4 3 (7.89%) VirtualBox
5 1 (2.63%) Active Directory
5 1 (2.63%) KVM
5 1 (2.63%) NDS
5 1 (2.63%) NetIQ eDirectory
Systems Management
1 29 (76.32%) Ansible
2 22 (57.89%) Terraform
3 15 (39.47%) Puppet
3 15 (39.47%) ZABBIX
4 12 (31.58%) Kibana
4 12 (31.58%) Kubernetes
5 11 (28.95%) Opscode Chef
6 8 (21.05%) Nagios
7 7 (18.42%) Docker Swarm
8 4 (10.53%) Mesos
8 4 (10.53%) Rancher
8 4 (10.53%) Rundeck
8 4 (10.53%) Salt
9 3 (7.89%) Icinga
9 3 (7.89%) Packer
Vendors
1 26 (68.42%) Red Hat
2 19 (50.00%) Google
3 8 (21.05%) VMware
4 5 (13.16%) Oracle
5 3 (7.89%) New Relic
5 3 (7.89%) Splunk
6 1 (2.63%) Novell
6 1 (2.63%) Sun