The table below looks at the statistics for CentOS skills in IT jobs advertised for the Berkshire region. Included is a guide to the salaries offered in IT jobs that have cited CentOS over the 3 months to 26 July 2016 with a comparison to the same period over the previous 2 years.

3 months to
26 Jul 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 133 143 182
Rank change year-on-year
+10 +39
Permanent jobs citing CentOS 78 77 38
As % of all permanent IT jobs located in Berkshire 1.76% 1.54% 0.69%
As % of the Operating Systems category 5.90% 6.20% 2.30%
Number of salaries quoted 75 58 37
Median salary £50,000 £42,500 £42,750
Median salary % change year-on-year
+17.64% -0.58%
90% offered a salary of more than £37,500 £24,000 £25,300
10% offered a salary of more than £70,500 £55,000 £56,000
UK excluding London median salary £47,500 £42,500 £40,000
% change year-on-year
+11.76% +6.25%
CentOS
South East

The following table is for comparison with the above and provides statistics for the entire Operating Systems category in permanent jobs advertised in the Berkshire region.

Operating Systems Category
Berkshire
Permanent IT job ads with a match in the
Operating Systems category
1321 1242 1649
As % of all permanent IT jobs located in Berkshire 29.81% 24.83% 29.85%
Number of salaries quoted 1110 969 1239
Median salary £47,500 £39,000 £39,000
Median salary % change year-on-year
+21.79% -
90% offered a salary of more than £29,500 £22,500 £25,000
10% offered a salary of more than £65,000 £60,000 £60,000
UK excluding London median salary £38,000 £37,500 £36,000
% change year-on-year
+1.33% +4.16%

CentOS
Jobs Demand Trend in Berkshire

The demand trend of job ads across the Berkshire region citing CentOS as a proportion of all IT jobs with a match in the Operating Systems category.

CentOS Jobs Demand Trend in Berkshire

CentOS
Salary Trend in Berkshire

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

CentOS Salary Trend in Berkshire

CentOS
Salary Histogram in Berkshire

This chart provides a salary histogram for IT jobs citing CentOS across the Berkshire region over the 3 months to 26 July 2016.

CentOS Salary Histogram in Berkshire

CentOS
Job Locations in Berkshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the Berkshire region over the 3 months to 26 July 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Reading -22 27 £60,000 +41.17% 6
Maidenhead +6 23 £37,500 -11.76% 1
Windsor - 17 £51,000 -
Bracknell -7 2 £61,250 +44.11%
Slough +9 1 £65,000 +52.94%
Wokingham - 1 £27,500 -
CentOS
South East

CentOS
Top 30 Related IT Skills in Berkshire

For the 6 months to 26 July 2016, 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 Berkshire region with a requirement for CentOS.

1 145 (100.00%) Linux
2 73 (50.34%) Red Hat
3 64 (44.14%) Windows
4 63 (43.45%) Red Hat Enterprise Linux
5 57 (39.31%) Ubuntu
6 54 (37.24%) Windows Server
7 50 (34.48%) VMware
8 48 (33.10%) Python
9 44 (30.34%) Bash Shell
10 43 (29.66%) Firewall
11 41 (28.28%) SQL Server
11 41 (28.28%) Cisco
11 41 (28.28%) Elasticsearch
12 39 (26.90%) Jenkins
12 39 (26.90%) Puppet
13 37 (25.52%) Active Directory
14 36 (24.83%) Perl
15 34 (23.45%) Java
15 34 (23.45%) Windows Server 2008
15 34 (23.45%) Big Data
15 34 (23.45%) Ansible
15 34 (23.45%) DevOps
16 33 (22.76%) TCP/IP
17 32 (22.07%) Windows Server 2012
18 30 (20.69%) Amazon AWS
18 30 (20.69%) Agile Software Development
19 29 (20.00%) nginx
19 29 (20.00%) VMware Infrastructure
19 29 (20.00%) Finance
20 28 (19.31%) Presales

CentOS
Top Related IT Skills in Berkshire 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 41 (28.28%) Elasticsearch
2 29 (20.00%) nginx
3 23 (15.86%) WebSphere
4 19 (13.10%) Apache
5 15 (10.34%) JBoss
6 14 (9.66%) IIS
7 12 (8.28%) WebSphere Application Server
8 11 (7.59%) Tomcat
9 8 (5.52%) OpenStack
10 7 (4.83%) CMS
11 6 (4.14%) MQSeries
11 6 (4.14%) WebLogic
12 4 (2.76%) Apache Spark
13 3 (2.07%) Skype for Business
14 2 (1.38%) Alfresco
14 2 (1.38%) Drupal
14 2 (1.38%) WordPress
15 1 (0.69%) Confluence
15 1 (0.69%) Exchange Server 2013
Applications
1 5 (3.45%) MS Excel
2 1 (0.69%) MS Office
Business Applications
1 1 (0.69%) SAP Oil and Gas
Cloud Services
1 30 (20.69%) Amazon AWS
2 17 (11.72%) CloudBees
3 10 (6.90%) Microsoft Azure
4 9 (6.21%) SaaS
5 8 (5.52%) Amazon EC2
6 6 (4.14%) PaaS
7 2 (1.38%) Amazon S3
7 2 (1.38%) Route 53
8 1 (0.69%) Office 365
8 1 (0.69%) OneDrive
Communications & Networking
1 43 (29.66%) Firewall
2 33 (22.76%) TCP/IP
3 19 (13.10%) DNS
4 16 (11.03%) Cisco Nexus
5 15 (10.34%) LDAP
6 10 (6.90%) DHCP
6 10 (6.90%) LAN
6 10 (6.90%) Network Security
6 10 (6.90%) WAN
7 9 (6.21%) MPLS
8 6 (4.14%) SAN
8 6 (4.14%) SSL
9 4 (2.76%) FTP
9 4 (2.76%) VPN
10 3 (2.07%) Wireshark
11 1 (0.69%) BGP
11 1 (0.69%) NAS
11 1 (0.69%) OSPF
11 1 (0.69%) Skype
11 1 (0.69%) WebEx
Database & Business Intelligence
1 41 (28.28%) SQL Server
2 34 (23.45%) Big Data
3 22 (15.17%) NoSQL
4 21 (14.48%) MySQL
5 19 (13.10%) Hadoop
6 16 (11.03%) Apache Cassandra
7 8 (5.52%) PostgreSQL
8 2 (1.38%) DB2
8 2 (1.38%) MariaDB
9 1 (0.69%) MongoDB
9 1 (0.69%) Neo4j
9 1 (0.69%) Oracle Database
9 1 (0.69%) Pentaho
9 1 (0.69%) RDBMS
9 1 (0.69%) Relational Database
9 1 (0.69%) SQL Server 2008
9 1 (0.69%) SQL Server 2012
9 1 (0.69%) SQL Server 2014
Development Applications
1 39 (26.90%) Jenkins
2 22 (15.17%) Git (software)
3 17 (11.72%) Maven
4 9 (6.21%) Sonatype Nexus
5 8 (5.52%) Atlassian Bamboo
6 3 (2.07%) Subversion
7 2 (1.38%) Ant
8 1 (0.69%) JIRA
8 1 (0.69%) Talend Open Studio
General
1 29 (20.00%) Finance
2 19 (13.10%) Banking
3 15 (10.34%) Games
4 13 (8.97%) Pharmaceutical
5 12 (8.28%) Retail
6 1 (0.69%) Electronics
6 1 (0.69%) Manufacturing
6 1 (0.69%) Marketing
6 1 (0.69%) Telecoms
Job Titles
1 38 (26.21%) Systems Engineer
2 27 (18.62%) Support Engineer
3 26 (17.93%) Consultant
4 24 (16.55%) Linux Engineer
5 23 (15.86%) Analyst
6 20 (13.79%) Linux Systems Engineer
6 20 (13.79%) VMware Engineer
7 19 (13.10%) IT Engineer
7 19 (13.10%) IT Support
7 19 (13.10%) IT Support Engineer
8 18 (12.41%) Senior Linux Engineer
8 18 (12.41%) Senior Systems Engineer
8 18 (12.41%) Senior VMware Engineer
9 16 (11.03%) Senior Linux Systems Engineer
9 16 (11.03%) Systems Analyst
9 16 (11.03%) Systems Support
10 15 (10.34%) Administrator
10 15 (10.34%) Applications Support
10 15 (10.34%) IT Support Analyst
10 15 (10.34%) Server Support
Libraries, Frameworks & Software Standards
1 26 (17.93%) ZeroMQ
2 21 (14.48%) Web Services
3 15 (10.34%) LAMP
4 13 (8.97%) Regular Expression
5 12 (8.28%) Middleware
5 12 (8.28%) Sensu
6 7 (4.83%) ELK Stack
7 6 (4.14%) WebSphere MQ
8 5 (3.45%) RESTful
9 4 (2.76%) .NET
9 4 (2.76%) CSS
9 4 (2.76%) HTML
10 1 (0.69%) ActiveMQ
10 1 (0.69%) Apache Camel
10 1 (0.69%) Apache CXF
10 1 (0.69%) Drools
10 1 (0.69%) jBPM
10 1 (0.69%) Node.js
10 1 (0.69%) Spring
10 1 (0.69%) Spring Security
Miscellaneous
1 22 (15.17%) Data Centre
2 16 (11.03%) EMC VNX
3 10 (6.90%) Cyberthreat
4 7 (4.83%) NHS
4 7 (4.83%) Visualisation
5 5 (3.45%) Enterprise Software
6 4 (2.76%) Management Information System
7 3 (2.07%) Analytical Skills
7 3 (2.07%) Computer Science
7 3 (2.07%) Mathematics
8 2 (1.38%) Cyber Attack
8 2 (1.38%) Distributed Denial-of-Service
9 1 (0.69%) Cybercrime
9 1 (0.69%) Wiki
Operating Systems
1 145 (100.00%) Linux
2 64 (44.14%) Windows
3 63 (43.45%) Red Hat Enterprise Linux
4 57 (39.31%) Ubuntu
5 54 (37.24%) Windows Server
6 34 (23.45%) Windows Server 2008
7 32 (22.07%) Windows Server 2012
8 21 (14.48%) Debian
8 21 (14.48%) Unix
9 7 (4.83%) Solaris
10 2 (1.38%) AIX
10 2 (1.38%) HPUX
10 2 (1.38%) SUSE
11 1 (0.69%) Windows 10
11 1 (0.69%) Windows 7
11 1 (0.69%) Windows 8
Processes & Methodologies
1 34 (23.45%) DevOps
2 30 (20.69%) Agile Software Development
3 28 (19.31%) Presales
4 26 (17.93%) SIEM
5 25 (17.24%) Scrum
6 24 (16.55%) Configuration Management
7 23 (15.86%) Analytics
8 20 (13.79%) Virtual Environments
9 19 (13.10%) ITIL
10 18 (12.41%) Continuous Integration
10 18 (12.41%) Cybersecurity
10 18 (12.41%) Service Management
11 17 (11.72%) E-Commerce
12 15 (10.34%) Patch Management
13 12 (8.28%) Root Cause Analysis
14 10 (6.90%) Data Security
15 8 (5.52%) Information Security
15 8 (5.52%) OWASP
16 7 (4.83%) Data Protection
16 7 (4.83%) SOA
Programming Languages
1 48 (33.10%) Python
2 44 (30.34%) Bash Shell
3 36 (24.83%) Perl
4 34 (23.45%) Java
5 24 (16.55%) SQL
6 23 (15.86%) Ruby
7 20 (13.79%) PowerShell
8 11 (7.59%) C
9 10 (6.90%) Shell Script
10 6 (4.14%) JavaScript
10 6 (4.14%) Tcl
11 5 (3.45%) PHP
12 3 (2.07%) C#
12 3 (2.07%) C++
13 1 (0.69%) Jython
Qualifications
1 19 (13.10%) SC Cleared
1 19 (13.10%) Security Cleared
2 18 (12.41%) Cisco Certification
3 16 (11.03%) CCNA
3 16 (11.03%) CCNP
3 16 (11.03%) VMware Certified Professional (VCP)
4 8 (5.52%) CISSP
5 7 (4.83%) RHCE
5 7 (4.83%) RHCSA
6 5 (3.45%) CISM
6 5 (3.45%) SANS
7 2 (1.38%) Degree
7 2 (1.38%) MCSE
7 2 (1.38%) Microsoft Certification
Quality Assurance & Compliance
1 7 (4.83%) ISO/IEC 27001
2 2 (1.38%) ISO 9000
2 2 (1.38%) SLA
System Software
1 37 (25.52%) Active Directory
2 29 (20.00%) VMware Infrastructure
3 26 (17.93%) vSphere
4 24 (16.55%) Docker
5 20 (13.79%) Firmware
6 2 (1.38%) Btrfs
6 2 (1.38%) Hyper-V
6 2 (1.38%) Postfix
7 1 (0.69%) qmail
7 1 (0.69%) Squid
7 1 (0.69%) Virtual Machines
7 1 (0.69%) VirtualBox
7 1 (0.69%) VMware ESXi
7 1 (0.69%) XenServer
Systems Management
1 39 (26.90%) Puppet
2 34 (23.45%) Ansible
3 24 (16.55%) Opscode Chef
4 18 (12.41%) Nagios
5 12 (8.28%) Graphite
5 12 (8.28%) Terraform
6 9 (6.21%) ZABBIX
7 8 (5.52%) logstash
8 5 (3.45%) Kibana
8 5 (3.45%) Kubernetes
9 3 (2.07%) Nessus
9 3 (2.07%) Nmap
10 2 (1.38%) cPanel
10 2 (1.38%) Icinga
10 2 (1.38%) Oracle ZFS
10 2 (1.38%) Plesk
10 2 (1.38%) Red Hat Spacewalk
11 1 (0.69%) Legato
11 1 (0.69%) QRadar
11 1 (0.69%) WSUS
Vendors
1 73 (50.34%) Red Hat
2 50 (34.48%) VMware
3 41 (28.28%) Cisco
4 19 (13.10%) EMC
5 17 (11.72%) IBM
6 15 (10.34%) Microsoft
7 14 (9.66%) Apple
8 13 (8.97%) Google
9 9 (6.21%) F5
9 9 (6.21%) Oracle
10 6 (4.14%) HP
11 5 (3.45%) Adobe
11 5 (3.45%) Juniper
12 4 (2.76%) 3PAR
13 3 (2.07%) Splunk
14 2 (1.38%) Atlassian
14 2 (1.38%) Intel
14 2 (1.38%) NetApp
14 2 (1.38%) Sybase
14 2 (1.38%) Veritas
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