Period
to 17 October 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 17 October 2018 with a comparison to the same period in the previous 2 years.

CentOS Linux
Berkshire > Reading
6 months to
17 Oct 2018
Same period 2017 Same period 2016
Rank 112 75 153
Rank change year-on-year -37 +78 -51
Permanent jobs citing CentOS 35 80 38
As % of all permanent IT jobs advertised in Reading 1.56% 3.47% 1.10%
As % of the Operating Systems category 5.15% 10.97% 3.28%
Number of salaries quoted 32 71 39
Reading median annual salary £52,500 £47,500 £55,000
Median salary % change year-on-year +10.53% -13.64% +29.41%
10th Percentile £41,250 £27,500 £41,250
90th Percentile £84,375 £60,000 £69,250
Berkshire median annual salary £52,500 £47,500 £50,000
% change year-on-year +10.53% -5.00% +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 679 729 1,159
As % of all permanent IT jobs advertised in Reading 30.30% 31.61% 33.41%
Number of salaries quoted 596 584 948
Reading median annual salary £45,000 £45,000 £50,000
Median salary % change year-on-year - -10.00% +11.73%
10th Percentile £25,000 £22,500 £26,250
90th Percentile £72,500 £67,500 £70,000
Berkshire median annual salary £46,000 £45,000 £47,500
% change year-on-year +2.22% -5.26% +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 17 October 2018.

Salary histogram for CentOS in Reading

For the 6 months to 17 October 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 35 (100.00%) Linux
2 31 (88.57%) DevOps
3 30 (85.71%) Python
4 23 (65.71%) Amazon AWS
4 23 (65.71%) Bash Shell
5 20 (57.14%) Ansible
6 19 (54.29%) Red Hat Enterprise Linux
6 19 (54.29%) Configuration Management
7 18 (51.43%) Ubuntu
8 16 (45.71%) Red Hat
9 15 (42.86%) Java
9 15 (42.86%) JavaScript
9 15 (42.86%) Elasticsearch
9 15 (42.86%) Linux Command Line
10 14 (40.00%) Puppet
10 14 (40.00%) Terraform
11 13 (37.14%) Agile Software Development
11 13 (37.14%) Open Source
12 12 (34.29%) Git (software)
12 12 (34.29%) Jenkins
13 11 (31.43%) Big Data
13 11 (31.43%) Perl
14 10 (28.57%) Debian
14 10 (28.57%) ZABBIX
14 10 (28.57%) Google
14 10 (28.57%) Continuous Integration
14 10 (28.57%) Opscode Chef
14 10 (28.57%) Elastic Stack
15 9 (25.71%) Migration
15 9 (25.71%) Nagios

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 15 (42.86%) Elasticsearch
2 3 (8.57%) nginx
2 3 (8.57%) Tomcat
3 2 (5.71%) Apache
4 1 (2.86%) Confluence
4 1 (2.86%) Exchange Server 2003
4 1 (2.86%) Exchange Server 2010
4 1 (2.86%) Exchange Server 2013
4 1 (2.86%) IIS
4 1 (2.86%) MS Exchange
Cloud Services
1 23 (65.71%) Amazon AWS
2 8 (22.86%) Microsoft Azure
3 6 (17.14%) AWS CloudFormation
4 4 (11.43%) Amazon S3
5 3 (8.57%) Amazon EC2
5 3 (8.57%) Amazon ElastiCache
5 3 (8.57%) AWS Elastic Beanstalk
5 3 (8.57%) AWS Lambda
5 3 (8.57%) CloudFront
5 3 (8.57%) GitHub
5 3 (8.57%) Route 53
5 3 (8.57%) Serverless
5 3 (8.57%) Virtual Private Cloud
6 2 (5.71%) Amazon CloudWatch
6 2 (5.71%) Datadog
6 2 (5.71%) Google Cloud Platform
7 1 (2.86%) SaaS
Communications & Networking
1 9 (25.71%) TCP/IP
2 8 (22.86%) SSH
3 4 (11.43%) VPN
4 3 (8.57%) Firewall
4 3 (8.57%) SNMP
5 1 (2.86%) BIG-IP
5 1 (2.86%) Cisco ASA
5 1 (2.86%) DHCP
5 1 (2.86%) DNS
5 1 (2.86%) LAN
5 1 (2.86%) NetScaler
5 1 (2.86%) SAN
5 1 (2.86%) WAN
5 1 (2.86%) Wi-Fi
5 1 (2.86%) Wireshark
Database & Business Intelligence
1 11 (31.43%) Big Data
2 7 (20.00%) Apache Cassandra
2 7 (20.00%) NoSQL
3 5 (14.29%) Hadoop
4 3 (8.57%) Amazon RDS
4 3 (8.57%) MongoDB
4 3 (8.57%) SQL Server
5 1 (2.86%) MariaDB
5 1 (2.86%) MySQL
5 1 (2.86%) RDBMS
5 1 (2.86%) Relational Database
Development Applications
1 12 (34.29%) Git (software)
1 12 (34.29%) Jenkins
2 7 (20.00%) Atlassian Bamboo
3 6 (17.14%) Vagrant
4 5 (14.29%) Cucumber
5 3 (8.57%) Sonatype Nexus
5 3 (8.57%) Subversion
5 3 (8.57%) Travis CI
6 2 (5.71%) Selenium
6 2 (5.71%) WebDriver
7 1 (2.86%) JIRA
7 1 (2.86%) TeamCity
General
1 2 (5.71%) Retail
2 1 (2.86%) Finance
Job Titles
1 20 (57.14%) DevOps Engineer
2 9 (25.71%) Developer
3 8 (22.86%) Open Source Developer
4 5 (14.29%) Senior DevOps
4 5 (14.29%) Senior DevOps Engineer
5 2 (5.71%) Analyst
5 2 (5.71%) Cloud Engineer
5 2 (5.71%) Junior
5 2 (5.71%) Junior DevOps
5 2 (5.71%) Junior DevOps Engineer
5 2 (5.71%) Linux DevOps Engineer
5 2 (5.71%) Linux Engineer
5 2 (5.71%) Linux/Unix DevOps
5 2 (5.71%) QA Analyst
5 2 (5.71%) QA Engineer
5 2 (5.71%) QA Test Analyst
5 2 (5.71%) QA Test Engineer
5 2 (5.71%) Systems Administrator
5 2 (5.71%) Test Analyst
5 2 (5.71%) Test Engineer
Libraries, Frameworks & Software Standards
1 10 (28.57%) Elastic Stack
2 4 (11.43%) RESTful
2 4 (11.43%) Web Services
3 3 (8.57%) .NET
3 3 (8.57%) J2EE
3 3 (8.57%) Node.js
4 1 (2.86%) Django
Miscellaneous
1 15 (42.86%) Linux Command Line
2 8 (22.86%) BBC
3 4 (11.43%) Data Centre
3 4 (11.43%) Management Information System
4 3 (8.57%) Computer Science
4 3 (8.57%) Enterprise Software
4 3 (8.57%) Private Cloud
5 2 (5.71%) Analytical Skills
Operating Systems
1 35 (100.00%) Linux
2 19 (54.29%) Red Hat Enterprise Linux
3 18 (51.43%) Ubuntu
4 10 (28.57%) Debian
5 8 (22.86%) Unix
6 5 (14.29%) Windows
7 4 (11.43%) Windows Server
8 3 (8.57%) DC/OS
8 3 (8.57%) Windows Server 2008
9 1 (2.86%) Kali Linux
9 1 (2.86%) Windows 10
9 1 (2.86%) Windows 8
9 1 (2.86%) Windows Server 2003
9 1 (2.86%) Windows Server 2012
Processes & Methodologies
1 31 (88.57%) DevOps
2 19 (54.29%) Configuration Management
3 13 (37.14%) Agile Software Development
3 13 (37.14%) Open Source
4 10 (28.57%) Continuous Integration
5 9 (25.71%) Migration
6 8 (22.86%) Open Source Development
6 8 (22.86%) Task Automation
7 7 (20.00%) Scrum
8 6 (17.14%) SDLC
9 5 (14.29%) Information Management
9 5 (14.29%) Test Automation
10 4 (11.43%) Deployment Automation
10 4 (11.43%) Information Governance
10 4 (11.43%) Infrastructure Engineering
10 4 (11.43%) Kanban
10 4 (11.43%) Tech Ops
11 3 (8.57%) Continuous Delivery
11 3 (8.57%) High Availability
11 3 (8.57%) Microservices
Programming Languages
1 30 (85.71%) Python
2 23 (65.71%) Bash Shell
3 15 (42.86%) Java
3 15 (42.86%) JavaScript
4 11 (31.43%) Perl
5 4 (11.43%) SQL
6 3 (8.57%) C#
6 3 (8.57%) Ruby
6 3 (8.57%) Shell Script
7 1 (2.86%) C++
7 1 (2.86%) Go
7 1 (2.86%) PHP
7 1 (2.86%) PowerShell
Qualifications
1 4 (11.43%) Security Cleared
2 3 (8.57%) Computer Science Degree
2 3 (8.57%) Degree
2 3 (8.57%) SC Cleared
3 1 (2.86%) AWS Certification
Quality Assurance & Compliance
1 2 (5.71%) QA
System Software
1 8 (22.86%) Docker
2 7 (20.00%) VMware Infrastructure
3 4 (11.43%) Hyper-V
3 4 (11.43%) Virtual Machines
4 3 (8.57%) VirtualBox
4 3 (8.57%) VMware Server
5 1 (2.86%) Active Directory
Systems Management
1 20 (57.14%) Ansible
2 14 (40.00%) Puppet
2 14 (40.00%) Terraform
3 10 (28.57%) Opscode Chef
3 10 (28.57%) ZABBIX
4 9 (25.71%) Nagios
5 8 (22.86%) Kibana
6 6 (17.14%) Docker Swarm
6 6 (17.14%) Kubernetes
7 4 (11.43%) Rundeck
7 4 (11.43%) Salt
8 3 (8.57%) Mesos
8 3 (8.57%) Rancher
9 2 (5.71%) Packer
10 1 (2.86%) Backup Exec
10 1 (2.86%) Icinga
10 1 (2.86%) McAfee ePO
10 1 (2.86%) NetBackup
10 1 (2.86%) SCCM
10 1 (2.86%) SCOM
Vendors
1 16 (45.71%) Red Hat
2 10 (28.57%) Google
3 7 (20.00%) VMware
4 3 (8.57%) Oracle
4 3 (8.57%) Splunk
5 2 (5.71%) New Relic
6 1 (2.86%) CA
6 1 (2.86%) Citrix
6 1 (2.86%) CommVault
6 1 (2.86%) Dell
6 1 (2.86%) EMC
6 1 (2.86%) F5
6 1 (2.86%) FireEye
6 1 (2.86%) Juniper
6 1 (2.86%) McAfee
6 1 (2.86%) NetApp
6 1 (2.86%) Palo Alto
6 1 (2.86%) Rackspace
6 1 (2.86%) Sophos
6 1 (2.86%) Veritas