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 3 months to 25 June 2017 with a comparison to the same period in the previous 2 years.

CentOS Linux
Berkshire / Reading
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 70 103 91
Rank change year-on-year +33 -12  
Permanent jobs citing CentOS 37 26 51
As % of all permanent IT jobs advertised in Reading 2.85% 1.47% 2.22%
As % of the Operating Systems category 8.71% 4.16% 7.83%
Number of salaries quoted 34 26 32
Median salary £45,000 £65,000 £42,500
Median salary % change year-on-year -30.76% +52.94%  
90% offered a salary of more than £30,750 £42,500 £22,500
10% offered a salary of more than £59,250 £72,500 £69,000
UK excluding London median salary £45,000 £47,500 £40,000
% change year-on-year -5.26% +18.75%  

CentOS is in the operating system skills category. The next 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.

Operating System Skills
Reading
Permanent job vacancies with a requirement for operating system skills 425 625 651
As % of all permanent IT job vacancies advertised in Reading 32.74% 35.39% 28.28%
Number of salaries quoted 326 543 499
Median salary £45,000 £50,000 £37,500
Median salary % change year-on-year -10.00% +33.33%  
90% offered a salary of more than £24,000 £32,500 £22,500
10% offered a salary of more than £65,000 £62,500 £67,500
UK excluding London median salary £37,500 £37,500 £37,500

CentOS
Job Vacancy Trend in Reading

The job posting trend of jobs advertised in Reading citing CentOS as a proportion of all permanent or contract IT jobs with a match in the Operating Systems category.

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 3 months to 25 June 2017.

Salary histogram for CentOS in Reading

For the 6 months to 25 June 2017, IT jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Reading region with a requirement for CentOS.

1 74 (100.00%) Linux
2 42 (56.76%) Python
3 35 (47.30%) Bash Shell
4 34 (45.95%) Puppet
4 34 (45.95%) Red Hat
5 32 (43.24%) Docker
6 29 (39.19%) MySQL
7 28 (37.84%) Ubuntu
8 26 (35.14%) Perl
9 25 (33.78%) DevOps
10 24 (32.43%) Ansible
10 24 (32.43%) Git (software)
11 23 (31.08%) Amazon AWS
11 23 (31.08%) MongoDB
11 23 (31.08%) Java
12 22 (29.73%) VMware
13 21 (28.38%) Windows
14 20 (27.03%) Cisco
15 19 (25.68%) Unix
15 19 (25.68%) Open Source
15 19 (25.68%) Security Cleared
16 18 (24.32%) SaaS
16 18 (24.32%) DNS
16 18 (24.32%) Configuration Management
16 18 (24.32%) PostgreSQL
17 17 (22.97%) Debian
17 17 (22.97%) Elasticsearch
17 17 (22.97%) Data Centre
18 16 (21.62%) Load Balancing
18 16 (21.62%) SQL

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 17 (22.97%) Elasticsearch
2 13 (17.57%) Apache
3 10 (13.51%) IIS
4 9 (12.16%) nginx
5 7 (9.46%) Apache Solr
6 4 (5.41%) WebLogic
7 3 (4.05%) Eucalyptus
7 3 (4.05%) Tomcat
8 2 (2.70%) IBM Notes
9 1 (1.35%) Exchange Server 2013
9 1 (1.35%) SharePoint
9 1 (1.35%) SharePoint 2010
9 1 (1.35%) Skype for Business
Applications
1 1 (1.35%) Microsoft Office
Business Applications
1 4 (5.41%) Eloqua
1 4 (5.41%) Oracle EBS
Cloud Services
1 23 (31.08%) Amazon AWS
2 18 (24.32%) SaaS
3 15 (20.27%) Amazon EC2
4 10 (13.51%) Amazon S3
5 8 (10.81%) GitHub
6 7 (9.46%) Amazon ELB
6 7 (9.46%) Google App Engine
6 7 (9.46%) Google Cloud Platform
7 6 (8.11%) Oracle Service Cloud
8 4 (5.41%) Responsys
8 4 (5.41%) Taleo
9 3 (4.05%) Akamai
10 2 (2.70%) Oracle CX
11 1 (1.35%) IaaS
11 1 (1.35%) Microsoft Azure
11 1 (1.35%) Office 365
Communications & Networking
1 18 (24.32%) DNS
2 15 (20.27%) Firewall
3 14 (18.92%) TCP/IP
4 13 (17.57%) DHCP
5 12 (16.22%) SAN
6 9 (12.16%) Cisco Nexus
7 8 (10.81%) Cisco ASA
7 8 (10.81%) Cisco PIX
7 8 (10.81%) VPN
8 7 (9.46%) OpenVPN
9 5 (6.76%) LAN
9 5 (6.76%) WAN
10 4 (5.41%) SSH
11 2 (2.70%) Cisco IOS
12 1 (1.35%) Fibre Channel
12 1 (1.35%) HTTP
12 1 (1.35%) Intranet
12 1 (1.35%) iSCSI
12 1 (1.35%) OSPF
12 1 (1.35%) SSL
Database & Business Intelligence
1 29 (39.19%) MySQL
2 23 (31.08%) MongoDB
3 18 (24.32%) PostgreSQL
4 14 (18.92%) Redis
5 12 (16.22%) Hadoop
6 11 (14.86%) SQL Server
7 10 (13.51%) Apache Cassandra
8 8 (10.81%) Neo4j
8 8 (10.81%) NoSQL
8 8 (10.81%) Pentaho
8 8 (10.81%) SQLite
9 7 (9.46%) Big Data
10 6 (8.11%) Oracle Database
11 4 (5.41%) Oracle Reports
11 4 (5.41%) RDBMS
11 4 (5.41%) Relational Database
12 3 (4.05%) DB2
12 3 (4.05%) Informix
12 3 (4.05%) SQL Server 2008
13 2 (2.70%) MaxDB
Development Applications
1 24 (32.43%) Git (software)
2 9 (12.16%) Jenkins
3 8 (10.81%) Talend Open Studio
4 7 (9.46%) Sonatype Nexus
5 4 (5.41%) GitLab
General
1 1 (1.35%) Back Office
1 1 (1.35%) Front Office
Job Titles
1 21 (28.38%) Systems Engineer
2 16 (21.62%) Administrator
2 16 (21.62%) Systems Administrator
3 14 (18.92%) DevOps Engineer
4 11 (14.86%) Developer
4 11 (14.86%) Linux Administrator
4 11 (14.86%) Linux Systems Administrator
5 8 (10.81%) Junior
5 8 (10.81%) Junior DevOps
5 8 (10.81%) Junior DevOps Engineer
5 8 (10.81%) Open Source Developer
6 6 (8.11%) Big Data Developer
6 6 (8.11%) Network Engineer
6 6 (8.11%) Senior Systems Administrator
7 4 (5.41%) DBA
7 4 (5.41%) Linux/Unix DevOps
7 4 (5.41%) Network Systems Engineer
7 4 (5.41%) Oracle Applications DBA
7 4 (5.41%) Oracle DBA
8 3 (4.05%) Unix Linux Systems Administrator
Libraries, Frameworks & Software Standards
1 14 (18.92%) Elastic Stack
2 12 (16.22%) AngularJS
2 12 (16.22%) Node.js
3 8 (10.81%) ActiveMQ
3 8 (10.81%) Apache Camel
3 8 (10.81%) Apache CXF
3 8 (10.81%) D3.js
3 8 (10.81%) Drools
3 8 (10.81%) jBPM
4 7 (9.46%) Kafka
4 7 (9.46%) RabbitMQ
5 5 (6.76%) LAMP
6 4 (5.41%) HTML
6 4 (5.41%) HTML5
6 4 (5.41%) Oracle Fusion
6 4 (5.41%) Web Services
7 3 (4.05%) LAPP Stack
8 2 (2.70%) .NET
8 2 (2.70%) ASP.NET
Miscellaneous
1 17 (22.97%) Data Centre
2 8 (10.81%) Greenfield Project
3 7 (9.46%) Analytical Skills
3 7 (9.46%) Public Cloud
4 5 (6.76%) Computer Science
4 5 (6.76%) Enterprise Software
5 4 (5.41%) Linux Command Line
5 4 (5.41%) Management Information System
6 3 (4.05%) Private Cloud
7 2 (2.70%) Celerra
7 2 (2.70%) Replication
8 1 (1.35%) Virtual Team
Operating Systems
1 74 (100.00%) Linux
2 28 (37.84%) Ubuntu
3 21 (28.38%) Windows
4 19 (25.68%) Unix
5 17 (22.97%) Debian
6 12 (16.22%) Red Hat Enterprise Linux
7 11 (14.86%) Windows Server 2008
7 11 (14.86%) Windows Server 2012
8 10 (13.51%) Windows Server
9 8 (10.81%) Solaris
10 4 (5.41%) Oracle Linux
11 3 (4.05%) AIX
11 3 (4.05%) HPUX
12 2 (2.70%) SUSE
13 1 (1.35%) Fedora
13 1 (1.35%) Windows 10
13 1 (1.35%) Windows 7
13 1 (1.35%) Windows Server 2003
Processes & Methodologies
1 25 (33.78%) DevOps
2 19 (25.68%) Open Source
3 18 (24.32%) Configuration Management
4 16 (21.62%) Load Balancing
5 15 (20.27%) High Availability
6 10 (13.51%) Logistics
6 10 (13.51%) Microservices
6 10 (13.51%) Open Source Development
7 9 (12.16%) Cybersecurity
8 8 (10.81%) Agile Software Development
8 8 (10.81%) BDD
8 8 (10.81%) Scrum
8 8 (10.81%) TDD
9 7 (9.46%) Continuous Improvement
10 6 (8.11%) Performance Management
10 6 (8.11%) Performance Monitoring
10 6 (8.11%) Reverse Engineering
11 5 (6.76%) Business Intelligence
11 5 (6.76%) Migration
12 4 (5.41%) ETL
Programming Languages
1 42 (56.76%) Python
2 35 (47.30%) Bash Shell
3 26 (35.14%) Perl
4 23 (31.08%) Java
5 16 (21.62%) SQL
6 13 (17.57%) Ruby
7 8 (10.81%) Jython
8 6 (8.11%) PHP
9 4 (5.41%) ES6
10 3 (4.05%) JavaScript
11 2 (2.70%) Shell Script
12 1 (1.35%) PowerShell
Qualifications
1 19 (25.68%) Security Cleared
2 10 (13.51%) Degree
3 9 (12.16%) SC Cleared
4 1 (1.35%) CCNA
4 1 (1.35%) Cisco Certification
4 1 (1.35%) HND
4 1 (1.35%) MCP
4 1 (1.35%) MCSE
4 1 (1.35%) Microsoft Certification
System Software
1 32 (43.24%) Docker
2 15 (20.27%) Hyper-V
3 13 (17.57%) VMware Infrastructure
4 10 (13.51%) KVM
5 9 (12.16%) VMware ESXi
6 8 (10.81%) VirtualBox
7 7 (9.46%) Varnish
8 6 (8.11%) XenServer
9 4 (5.41%) Active Directory
9 4 (5.41%) Virtual Machines
10 1 (1.35%) Terminal Services
10 1 (1.35%) vCloud
10 1 (1.35%) vSphere
Systems Management
1 34 (45.95%) Puppet
2 24 (32.43%) Ansible
3 12 (16.22%) Opscode Chef
4 11 (14.86%) logstash
4 11 (14.86%) ZABBIX
5 7 (9.46%) HAProxy
5 7 (9.46%) Kibana
6 6 (8.11%) Oracle Enterprise Manager
7 5 (6.76%) Salt
8 4 (5.41%) Graphite
9 3 (4.05%) Grafana
9 3 (4.05%) Icinga
9 3 (4.05%) Nagios
10 2 (2.70%) EMC NetWorker
10 2 (2.70%) Oracle RMAN
10 2 (2.70%) Prometheus
10 2 (2.70%) Riemann
10 2 (2.70%) SnapMirror
10 2 (2.70%) SnapVault
10 2 (2.70%) vCenter Server
Vendors
1 34 (45.95%) Red Hat
2 22 (29.73%) VMware
3 20 (27.03%) Cisco
4 12 (16.22%) Oracle
5 10 (13.51%) Dell
5 10 (13.51%) HP
6 8 (10.81%) Rackspace
6 8 (10.81%) Sun
6 8 (10.81%) Talend
7 7 (9.46%) New Relic
8 6 (8.11%) Microsoft
9 5 (6.76%) Juniper
10 3 (4.05%) arcserve
10 3 (4.05%) EMC
10 3 (4.05%) NetApp
10 3 (4.05%) Sybase
10 3 (4.05%) Veeam
10 3 (4.05%) Veritas
11 2 (2.70%) Dell Compellent
11 2 (2.70%) SAP
Reading, Berkshire
JobHoller
Salary: £45000 - £50000 per annum + benefits
Posted: 2 days ago
Reading, Berkshire
Austin Fraser
Salary: £55000 - £60000 per annum + Benefits
Posted: 4 days ago
Reading, Berkshire
Austin Fraser
Salary: £25000 - £35000 per annum + Benefits
Posted: 4 days ago
Reading, Berkshire
Searchability
Salary: £30000 - £45000 per annum
Posted: 5 days ago
Reading, Berkshire
Austin Fraser
Salary: £50000 - £60000 per annum + Benefits
Posted: 4 days ago
Reading
Recruitment Revolution Limited
Salary: Competitive Market Salary + Full Company Benefits Package
Posted: 17 days ago
Reading, Berkshire
Veritas Technologies (Uk) Ltd
Salary: Competitive
Posted: 20 days ago