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 27 February 2017 with a comparison to the same period over the previous 2 years.

3 months to
27 Feb 2017
Same period 2016 Same period 2015
CentOS Linux
South East / Berkshire
Rank 89 161 173
Rank change year-on-year
+72 +12
Permanent jobs citing CentOS 100 52 63
As % of all permanent IT jobs located in Berkshire 2.91% 1.04% 1.14%
As % of the Operating Systems category 9.41% 4.08% 3.96%
Number of salaries quoted 86 52 55
Median salary £55,000 £52,500 £36,000
Median salary % change year-on-year
+4.76% +45.83%
90% offered a salary of more than £37,500 £30,000 £22,000
10% offered a salary of more than £80,000 £62,500 £52,500
UK excluding London median salary £45,000 £45,000 £42,500
% change year-on-year
- +5.88%

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
1063 1273 1591
As % of all permanent IT jobs located in Berkshire 30.88% 25.46% 28.89%
Number of salaries quoted 891 1130 1207
Median salary £45,000 £45,000 £42,000
Median salary % change year-on-year
- +7.14%
90% offered a salary of more than £27,000 £28,500 £24,500
10% offered a salary of more than £67,500 £65,000 £62,500
UK excluding London median salary £37,500 £37,500 £37,500

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 27 February 2017.

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 27 February 2017. 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 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 +45 35 £50,000 +5.26% 5
Slough +52 25 £67,500 +3.84%
Maidenhead +22 19 £40,000 +33.33%
Windsor 0 6 £75,000 +25.00%
CentOS
South East

CentOS
Top 30 Related IT Skills in Berkshire

For the 6 months to 27 February 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 Berkshire region with a requirement for CentOS.

1 146 (100.00%) Linux
2 67 (45.89%) Red Hat
3 63 (43.15%) Windows
4 47 (32.19%) Java
5 46 (31.51%) Python
6 45 (30.82%) Puppet
7 42 (28.77%) Open Source
8 41 (28.08%) Red Hat Enterprise Linux
9 38 (26.03%) Elasticsearch
10 37 (25.34%) MySQL
10 37 (25.34%) Active Directory
11 36 (24.66%) Ubuntu
11 36 (24.66%) Windows Server
12 35 (23.97%) Opscode Chef
12 35 (23.97%) CISSP
13 34 (23.29%) SQL
13 34 (23.29%) DevOps
14 33 (22.60%) Cybersecurity
14 33 (22.60%) Oracle
14 33 (22.60%) Bash Shell
15 32 (21.92%) Hadoop
16 31 (21.23%) NoSQL
16 31 (21.23%) SQL Server
17 30 (20.55%) Apache
17 30 (20.55%) Amazon AWS
17 30 (20.55%) Mentoring
18 29 (19.86%) Unix
19 28 (19.18%) GCIA
19 28 (19.18%) CEH
20 27 (18.49%) TCP/IP

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 38 (26.03%) Elasticsearch
2 30 (20.55%) Apache
3 17 (11.64%) nginx
4 8 (5.48%) WebLogic
5 6 (4.11%) IIS
5 6 (4.11%) Tomcat
5 6 (4.11%) WebSphere
6 3 (2.05%) JBoss
6 3 (2.05%) MQSeries
6 3 (2.05%) MS Exchange
7 2 (1.37%) IBM Notes
8 1 (0.68%) Exchange Server 2010
Applications
1 1 (0.68%) MS Excel
1 1 (0.68%) MS Office
Business Applications
1 5 (3.42%) Eloqua
1 5 (3.42%) Oracle EBS
2 2 (1.37%) SAP Oil and Gas
Cloud Services
1 30 (20.55%) Amazon AWS
2 24 (16.44%) SaaS
3 12 (8.22%) Microsoft Azure
4 10 (6.85%) PaaS
5 6 (4.11%) Amazon EC2
6 5 (3.42%) Oracle CX
6 5 (3.42%) Responsys
6 5 (3.42%) Taleo
7 2 (1.37%) IaaS
7 2 (1.37%) Office 365
8 1 (0.68%) IBM Cloud
8 1 (0.68%) SoftLayer
Communications & Networking
1 27 (18.49%) TCP/IP
2 11 (7.53%) Firewall
3 8 (5.48%) Network Security
4 7 (4.79%) DNS
4 7 (4.79%) SSH
5 6 (4.11%) DHCP
6 4 (2.74%) SSL
7 3 (2.05%) LAN
7 3 (2.05%) LDAP
7 3 (2.05%) WAN
7 3 (2.05%) WebEx
8 2 (1.37%) HTTP
8 2 (1.37%) ICMP
8 2 (1.37%) SAN
8 2 (1.37%) Software-Defined Networking
9 1 (0.68%) PBX
9 1 (0.68%) SMTP
9 1 (0.68%) VoIP
9 1 (0.68%) VPN
9 1 (0.68%) Wi-Fi
Database & Business Intelligence
1 37 (25.34%) MySQL
2 32 (21.92%) Hadoop
3 31 (21.23%) NoSQL
3 31 (21.23%) SQL Server
4 26 (17.81%) Big Data
5 10 (6.85%) Apache Cassandra
6 7 (4.79%) Oracle Database
7 6 (4.11%) InfluxDB
7 6 (4.11%) MongoDB
7 6 (4.11%) Neo4j
7 6 (4.11%) Pentaho
7 6 (4.11%) PostgreSQL
8 5 (3.42%) Oracle Reports
8 5 (3.42%) RDBMS
8 5 (3.42%) Relational Database
9 4 (2.74%) DB2
10 3 (2.05%) Informix
10 3 (2.05%) SQL Server 2005
10 3 (2.05%) SQL Server 2008
10 3 (2.05%) SQLite
Development Applications
1 24 (16.44%) Git (software)
2 12 (8.22%) Jenkins
3 7 (4.79%) Vagrant
4 6 (4.11%) Subversion
4 6 (4.11%) Talend Open Studio
5 2 (1.37%) JIRA
6 1 (0.68%) Bugzilla
6 1 (0.68%) Trac
General
1 11 (7.53%) Games
2 9 (6.16%) Finance
2 9 (6.16%) German Language
3 8 (5.48%) Marketing
4 7 (4.79%) Electronics
5 5 (3.42%) French Language
6 4 (2.74%) Manufacturing
7 2 (1.37%) Advertising
7 2 (1.37%) Banking
7 2 (1.37%) Military
7 2 (1.37%) Telecoms
Job Titles
1 26 (17.81%) Support Engineer
2 23 (15.75%) Administrator
3 22 (15.07%) Applications Support
3 22 (15.07%) Systems Administrator
4 21 (14.38%) Linux Engineer
5 16 (10.96%) Developer
6 15 (10.27%) Linux Administrator
7 14 (9.59%) DevOps Engineer
7 14 (9.59%) Linux Systems Administrator
7 14 (9.59%) Security Engineer
8 13 (8.90%) Infrastructure Engineer
9 12 (8.22%) Security Support Engineer
10 11 (7.53%) Open Source Developer
10 11 (7.53%) Senior Systems Administrator
10 11 (7.53%) Systems Engineer
11 10 (6.85%) Architect
11 10 (6.85%) Azure Architect
11 10 (6.85%) Cloud Architect
11 10 (6.85%) Cybersecurity Engineer
11 10 (6.85%) Support Specialist
Libraries, Frameworks & Software Standards
1 26 (17.81%) .NET
2 14 (9.59%) ZeroMQ
3 12 (8.22%) JSON
3 12 (8.22%) LAMP
3 12 (8.22%) Web Services
4 6 (4.11%) ActiveMQ
4 6 (4.11%) AngularJS
4 6 (4.11%) Apache Camel
4 6 (4.11%) Apache CXF
4 6 (4.11%) D3.js
4 6 (4.11%) Drools
4 6 (4.11%) jBPM
4 6 (4.11%) Middleware
4 6 (4.11%) Node.js
5 5 (3.42%) Elastic Stack
5 5 (3.42%) Oracle Fusion
6 3 (2.05%) ASP.NET
6 3 (2.05%) WebSphere MQ
7 1 (0.68%) LEMP Stack
Miscellaneous
1 14 (9.59%) Cyberthreat
2 12 (8.22%) Data Centre
3 11 (7.53%) Analytical Skills
4 9 (6.16%) Computer Science
5 8 (5.48%) Linux Command Line
6 7 (4.79%) Mobile App
7 6 (4.11%) Enterprise Software
8 5 (3.42%) Fintech
8 5 (3.42%) Management Information System
9 4 (2.74%) EMC VNX
10 3 (2.05%) Replication
11 2 (1.37%) Celerra
Operating Systems
1 146 (100.00%) Linux
2 63 (43.15%) Windows
3 41 (28.08%) Red Hat Enterprise Linux
4 36 (24.66%) Ubuntu
4 36 (24.66%) Windows Server
5 29 (19.86%) Unix
6 26 (17.81%) Debian
7 18 (12.33%) Oracle Linux
8 16 (10.96%) Windows Server 2008
9 14 (9.59%) Windows Server 2012
10 11 (7.53%) Solaris
11 5 (3.42%) Windows 8
12 4 (2.74%) AIX
12 4 (2.74%) HPUX
13 2 (1.37%) SUSE
14 1 (0.68%) Mac OS X
Processes & Methodologies
1 42 (28.77%) Open Source
2 34 (23.29%) DevOps
3 33 (22.60%) Cybersecurity
4 30 (20.55%) Mentoring
5 25 (17.12%) Analytics
6 18 (12.33%) Agile Software Development
7 17 (11.64%) Presales
8 16 (10.96%) Scrum
9 15 (10.27%) Cyber Intelligence
9 15 (10.27%) ITIL
10 14 (9.59%) Configuration Management
10 14 (9.59%) SIEM
11 13 (8.90%) High Availability
11 13 (8.90%) Microservices
12 11 (7.53%) Digital Forensics
12 11 (7.53%) Load Balancing
12 11 (7.53%) Open Source Development
13 10 (6.85%) PRINCE2
14 9 (6.16%) Performance Monitoring
14 9 (6.16%) TOGAF
Programming Languages
1 47 (32.19%) Java
2 46 (31.51%) Python
3 34 (23.29%) SQL
4 33 (22.60%) Bash Shell
5 23 (15.75%) C
6 17 (11.64%) Shell Script
7 11 (7.53%) Perl
8 10 (6.85%) PowerShell
9 8 (5.48%) PHP
10 6 (4.11%) Groovy
10 6 (4.11%) JavaScript
10 6 (4.11%) Jython
11 3 (2.05%) PL/SQL
11 3 (2.05%) Tcl
12 1 (0.68%) Ruby
Qualifications
1 35 (23.97%) CISSP
2 28 (19.18%) CEH
2 28 (19.18%) GCIA
3 20 (13.70%) Security Cleared
4 13 (8.90%) Degree
5 10 (6.85%) SC Cleared
6 5 (3.42%) GCIH
7 2 (1.37%) AWS Certification
7 2 (1.37%) CCNA
7 2 (1.37%) Cisco Certification
7 2 (1.37%) MCSE
7 2 (1.37%) Microsoft Certification
7 2 (1.37%) VMware Certified Professional (VCP)
8 1 (0.68%) HND
8 1 (0.68%) MCP
Quality Assurance & Compliance
1 10 (6.85%) ISO/IEC 27001
System Software
1 37 (25.34%) Active Directory
2 23 (15.75%) KVM
3 14 (9.59%) Hyper-V
3 14 (9.59%) XenServer
4 13 (8.90%) Docker
5 11 (7.53%) Varnish
5 11 (7.53%) Xen
6 10 (6.85%) VMware Infrastructure
7 7 (4.79%) vSphere
8 5 (3.42%) VMware ESXi
9 3 (2.05%) VirtualBox
Systems Management
1 45 (30.82%) Puppet
2 35 (23.97%) Opscode Chef
3 19 (13.01%) Grafana
4 15 (10.27%) Ansible
5 12 (8.22%) Nagios
6 10 (6.85%) Salt
7 9 (6.16%) Kubernetes
8 8 (5.48%) Oracle Enterprise Manager
9 7 (4.79%) Graphite
10 6 (4.11%) Cobbler
11 4 (2.74%) cPanel
12 3 (2.05%) EMC NetWorker
12 3 (2.05%) ZABBIX
13 2 (1.37%) Backup Exec
13 2 (1.37%) HP Data Protector
13 2 (1.37%) Kibana
13 2 (1.37%) NetBackup
13 2 (1.37%) Oracle RMAN
13 2 (1.37%) SnapMirror
13 2 (1.37%) SnapVault
Vendors
1 67 (45.89%) Red Hat
2 33 (22.60%) Oracle
3 24 (16.44%) Google
3 24 (16.44%) VMware
4 17 (11.64%) Sun
5 14 (9.59%) Apple
6 12 (8.22%) Cisco
7 10 (6.85%) EMC
7 10 (6.85%) Microsoft
7 10 (6.85%) Teradata
8 9 (6.16%) Juniper
9 6 (4.11%) Talend
9 6 (4.11%) Veeam
10 4 (2.74%) NetApp
10 4 (2.74%) SAP
10 4 (2.74%) Sybase
10 4 (2.74%) Veritas
11 3 (2.05%) arcserve
11 3 (2.05%) Rackspace
12 2 (1.37%) ServiceNow
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