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

CentOS Linux
Berkshire > Reading
6 months to
14 Aug 2018
Same period 2017 Same period 2016
Rank 123 90 153
Rank change year-on-year -33 +63 -34
Permanent jobs citing CentOS 23 74 50
As % of all permanent IT jobs advertised in Reading 0.98% 3.04% 1.37%
As % of the Operating Systems category 3.48% 9.02% 4.02%
Number of salaries quoted 22 64 50
Reading median annual salary £52,500 £45,000 £50,000
Median salary % change year-on-year +16.67% -10.00% +17.65%
10th Percentile £41,250 £27,500 £41,250
90th Percentile £69,500 £65,000 £68,750
Berkshire median annual salary £55,000 £47,500 £55,000
% change year-on-year +15.79% -13.64% +29.41%

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 661 820 1,243
As % of all permanent IT jobs advertised in Reading 28.27% 33.68% 34.12%
Number of salaries quoted 578 626 1,076
Reading median annual salary £45,000 £45,000 £50,000
Median salary % change year-on-year - -10.00% +17.65%
10th Percentile £24,925 £23,125 £31,250
90th Percentile £70,000 £67,500 £68,750
Berkshire median annual salary £46,000 £45,000 £47,500
% change year-on-year +2.22% -5.26% +7.95%

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 14 August 2018.

Salary histogram for CentOS in Reading

For the 6 months to 14 August 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 23 (100.00%) Linux
2 18 (78.26%) Python
2 18 (78.26%) DevOps
3 15 (65.22%) Ubuntu
4 13 (56.52%) Red Hat Enterprise Linux
5 12 (52.17%) Bash Shell
5 12 (52.17%) Ansible
5 12 (52.17%) Linux Command Line
6 11 (47.83%) Open Source
6 11 (47.83%) Amazon AWS
7 9 (39.13%) Git (software)
8 8 (34.78%) Puppet
8 8 (34.78%) Opscode Chef
8 8 (34.78%) Java
8 8 (34.78%) Red Hat
8 8 (34.78%) Configuration Management
8 8 (34.78%) Debian
8 8 (34.78%) Agile Software Development
9 7 (30.43%) SSH
9 7 (30.43%) JavaScript
9 7 (30.43%) Unix
9 7 (30.43%) Windows
9 7 (30.43%) Open Source Development
10 6 (26.09%) Elastic Stack
10 6 (26.09%) Terraform
10 6 (26.09%) Windows Server
10 6 (26.09%) Perl
10 6 (26.09%) VMware
10 6 (26.09%) Hyper-V
10 6 (26.09%) Microsoft Azure

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 3 (13.04%) Apache
1 3 (13.04%) Elasticsearch
2 2 (8.70%) Confluence
2 2 (8.70%) Exchange Server 2003
2 2 (8.70%) Exchange Server 2010
2 2 (8.70%) Exchange Server 2013
2 2 (8.70%) IIS
2 2 (8.70%) MS Exchange
Cloud Services
1 11 (47.83%) Amazon AWS
2 6 (26.09%) Microsoft Azure
3 4 (17.39%) AWS CloudFormation
4 3 (13.04%) Amazon CloudWatch
4 3 (13.04%) Datadog
4 3 (13.04%) Google Cloud Platform
5 2 (8.70%) Amazon S3
Communications & Networking
1 7 (30.43%) SSH
2 5 (21.74%) TCP/IP
3 2 (8.70%) BIG-IP
3 2 (8.70%) Cisco ASA
3 2 (8.70%) DHCP
3 2 (8.70%) DNS
3 2 (8.70%) LAN
3 2 (8.70%) NetScaler
3 2 (8.70%) SAN
3 2 (8.70%) VPN
3 2 (8.70%) WAN
3 2 (8.70%) Wi-Fi
3 2 (8.70%) Wireshark
4 1 (4.35%) Internet
Database & Business Intelligence
1 6 (26.09%) Hadoop
2 2 (8.70%) Big Data
Development Applications
1 9 (39.13%) Git (software)
2 5 (21.74%) Atlassian Bamboo
2 5 (21.74%) Jenkins
2 5 (21.74%) Vagrant
3 4 (17.39%) Travis CI
4 3 (13.04%) Cucumber
4 3 (13.04%) Selenium
5 2 (8.70%) JIRA
5 2 (8.70%) TeamCity
5 2 (8.70%) WebDriver
6 1 (4.35%) Eclipse
General
1 1 (4.35%) Finance
1 1 (4.35%) Retail
Job Titles
1 8 (34.78%) Developer
1 8 (34.78%) DevOps Engineer
2 7 (30.43%) Open Source Developer
3 4 (17.39%) Cloud Engineer
3 4 (17.39%) Linux DevOps Engineer
3 4 (17.39%) Linux Engineer
3 4 (17.39%) Linux/Unix DevOps
4 3 (13.04%) Kubernetes Engineer
4 3 (13.04%) Test Engineer
5 2 (8.70%) Analyst
5 2 (8.70%) Architect
5 2 (8.70%) AWS Architect
5 2 (8.70%) QA Analyst
5 2 (8.70%) QA Engineer
5 2 (8.70%) QA Test Analyst
5 2 (8.70%) QA Test Engineer
5 2 (8.70%) Senior Technical Architect
5 2 (8.70%) Systems Administrator
5 2 (8.70%) Technical Architect
5 2 (8.70%) Test Analyst
Libraries, Frameworks & Software Standards
1 6 (26.09%) Elastic Stack
2 1 (4.35%) ActiveMQ
2 1 (4.35%) Django
2 1 (4.35%) GWT
2 1 (4.35%) Hibernate
2 1 (4.35%) JMS
2 1 (4.35%) RabbitMQ
2 1 (4.35%) Spring
Miscellaneous
1 12 (52.17%) Linux Command Line
2 3 (13.04%) Analytical Skills
2 3 (13.04%) BBC
Operating Systems
1 23 (100.00%) Linux
2 15 (65.22%) Ubuntu
3 13 (56.52%) Red Hat Enterprise Linux
4 8 (34.78%) Debian
5 7 (30.43%) Unix
5 7 (30.43%) Windows
6 6 (26.09%) Windows Server
7 4 (17.39%) DC/OS
7 4 (17.39%) Windows Server 2008
8 2 (8.70%) Kali Linux
8 2 (8.70%) Windows 10
8 2 (8.70%) Windows 8
8 2 (8.70%) Windows Server 2003
8 2 (8.70%) Windows Server 2012
Processes & Methodologies
1 18 (78.26%) DevOps
2 11 (47.83%) Open Source
3 8 (34.78%) Agile Software Development
3 8 (34.78%) Configuration Management
4 7 (30.43%) Open Source Development
5 5 (21.74%) Continuous Integration
5 5 (21.74%) Migration
5 5 (21.74%) SDLC
6 3 (13.04%) Problem-Solving
6 3 (13.04%) Server Monitoring
6 3 (13.04%) Service Design
6 3 (13.04%) Software Testing
6 3 (13.04%) Task Automation
6 3 (13.04%) Test Automation
7 2 (8.70%) Cybersecurity
7 2 (8.70%) Infrastructure Monitoring
7 2 (8.70%) Malware Analysis
7 2 (8.70%) Manual Testing
7 2 (8.70%) Software Engineering
8 1 (4.35%) Information Management
Programming Languages
1 18 (78.26%) Python
2 12 (52.17%) Bash Shell
3 8 (34.78%) Java
4 7 (30.43%) JavaScript
5 6 (26.09%) Perl
6 2 (8.70%) C++
6 2 (8.70%) PowerShell
6 2 (8.70%) SQL
7 1 (4.35%) C#
7 1 (4.35%) Go
7 1 (4.35%) PHP
Qualifications
1 4 (17.39%) Security Cleared
2 2 (8.70%) AWS Certification
3 1 (4.35%) Degree
3 1 (4.35%) SC Cleared
Quality Assurance & Compliance
1 2 (8.70%) QA
System Software
1 6 (26.09%) Hyper-V
1 6 (26.09%) VMware Infrastructure
2 5 (21.74%) Docker
2 5 (21.74%) Virtual Machines
3 4 (17.39%) VirtualBox
4 2 (8.70%) Active Directory
Systems Management
1 12 (52.17%) Ansible
2 8 (34.78%) Opscode Chef
2 8 (34.78%) Puppet
3 6 (26.09%) Terraform
4 4 (17.39%) Docker Swarm
4 4 (17.39%) Kubernetes
4 4 (17.39%) ZABBIX
5 3 (13.04%) Kibana
5 3 (13.04%) Nagios
5 3 (13.04%) Packer
6 2 (8.70%) Backup Exec
6 2 (8.70%) McAfee ePO
6 2 (8.70%) Nessus
6 2 (8.70%) NetBackup
6 2 (8.70%) Nmap
6 2 (8.70%) SCCM
6 2 (8.70%) SCOM
7 1 (4.35%) Salt
Vendors
1 8 (34.78%) Red Hat
2 6 (26.09%) Google
2 6 (26.09%) VMware
3 5 (21.74%) Splunk
4 4 (17.39%) Capita
5 3 (13.04%) New Relic
6 2 (8.70%) Brocade
6 2 (8.70%) CA
6 2 (8.70%) Cisco
6 2 (8.70%) CommVault
6 2 (8.70%) F5
6 2 (8.70%) FireEye
6 2 (8.70%) McAfee
6 2 (8.70%) Microsoft
6 2 (8.70%) Palo Alto
6 2 (8.70%) Qualys
6 2 (8.70%) Rackspace
6 2 (8.70%) SolarWinds
6 2 (8.70%) Sophos
6 2 (8.70%) Veeam