The table below looks at the statistics for CentOS skills in IT jobs advertised for the South East region. Included is a guide to the salaries offered in IT jobs that have cited CentOS over the 3 months to 26 February 2017 with a comparison to the same period over the previous 2 years.

3 months to
26 Feb 2017
Same period 2016 Same period 2015
CentOS Linux
England / South East
Rank 228 286 299
Rank change year-on-year
+58 +13
Permanent jobs citing CentOS 173 174 166
As % of all permanent IT jobs located in the South East 1.19% 0.90% 0.80%
As % of the Operating Systems category 4.19% 3.01% 2.70%
Number of salaries quoted 157 160 155
Median salary £50,000 £50,000 £42,500
Median salary % change year-on-year
- +17.64%
90% offered a salary of more than £37,500 £31,800 £27,500
10% offered a salary of more than £72,000 £62,500 £55,000
UK excluding London median salary £45,000 £45,000 £42,000
% change year-on-year
- +7.14%

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

Operating Systems Category
South East
Permanent IT job ads with a match in the
Operating Systems category
4128 5780 6147
As % of all permanent IT jobs located in the South East 28.34% 29.96% 29.66%
Number of salaries quoted 3551 5041 5151
Median salary £40,000 £40,000 £40,000
90% offered a salary of more than £24,000 £25,000 £23,000
10% offered a salary of more than £60,000 £60,000 £57,500
UK excluding London median salary £37,500 £37,500 £37,500

CentOS
Jobs Demand Trend in the South East

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

CentOS Jobs Demand Trend in the South East

CentOS
Salary Trend in the South East

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

CentOS Salary Trend in the South East

CentOS
Salary Histogram in the South East

This chart provides a salary histogram for IT jobs citing CentOS across the South East region over the 3 months to 26 February 2017.

CentOS Salary Histogram in the South East

CentOS
Job Locations in the South East

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the South East region over the 3 months to 26 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
Berkshire +94 99 £55,000 +4.76% 6
Surrey +34 28 £57,500 +4.54% 3
Hampshire +11 20 £55,000 +46.66% 6
Oxfordshire -11 10 £50,000 +6.38% 4
Kent +22 7 £47,500 -29.62% 1
East Sussex +15 5 £35,000 -11.39% 1
West Sussex +10 4 £41,250 +15.38%
CentOS
England

CentOS
Top 30 Related IT Skills in the South East

For the 6 months to 26 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 South East region with a requirement for CentOS.

1 350 (100.00%) Linux
2 174 (49.71%) Red Hat
3 139 (39.71%) Windows
4 128 (36.57%) MySQL
5 124 (35.43%) Red Hat Enterprise Linux
6 112 (32.00%) Python
7 102 (29.14%) Apache
8 95 (27.14%) Puppet
9 91 (26.00%) Bash Shell
9 91 (26.00%) DevOps
10 84 (24.00%) VMware
11 78 (22.29%) Java
11 78 (22.29%) Amazon AWS
12 77 (22.00%) Ubuntu
13 73 (20.86%) PHP
14 66 (18.86%) Open Source
15 64 (18.29%) TCP/IP
16 63 (18.00%) Windows Server
17 61 (17.43%) Agile Software Development
18 59 (16.86%) LAMP
18 59 (16.86%) SQL
19 57 (16.29%) Perl
20 56 (16.00%) Microsoft
20 56 (16.00%) VMware Infrastructure
21 55 (15.71%) Opscode Chef
22 54 (15.43%) Oracle
23 51 (14.57%) Cisco
24 50 (14.29%) Active Directory
24 50 (14.29%) Unix
25 48 (13.71%) Debian

CentOS
Top Related IT Skills in the South East 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
1 102 (29.14%) Apache
2 38 (10.86%) Elasticsearch
3 37 (10.57%) nginx
4 30 (8.57%) Tomcat
5 20 (5.71%) IIS
6 12 (3.43%) OpenStack
6 12 (3.43%) WebSphere
7 8 (2.29%) WebLogic
8 6 (1.71%) Cloud Foundry
9 5 (1.43%) MS Exchange
10 4 (1.14%) JBoss
11 3 (0.86%) CMS
11 3 (0.86%) MQSeries
12 2 (0.57%) Exchange Server 2010
12 2 (0.57%) IBM Notes
13 1 (0.29%) Confluence
13 1 (0.29%) lighttpd
13 1 (0.29%) SharePoint
Applications
1 22 (6.29%) MS Excel
2 1 (0.29%) MS Office
Business Applications
1 5 (1.43%) Eloqua
1 5 (1.43%) Oracle EBS
2 3 (0.86%) SAP Oil and Gas
3 1 (0.29%) Dynamics CRM
Cloud Services
1 78 (22.29%) Amazon AWS
2 36 (10.29%) SaaS
3 19 (5.43%) Microsoft Azure
3 19 (5.43%) PaaS
4 11 (3.14%) IaaS
5 10 (2.86%) Amazon EC2
6 5 (1.43%) Oracle CX
6 5 (1.43%) Responsys
6 5 (1.43%) Taleo
6 5 (1.43%) Virtual Private Cloud
7 4 (1.14%) Cloud Computing
8 3 (0.86%) Amazon CloudWatch
8 3 (0.86%) Amazon ELB
8 3 (0.86%) Office 365
8 3 (0.86%) Route 53
9 2 (0.57%) Amazon S3
9 2 (0.57%) G Suite
10 1 (0.29%) Google Cloud Platform
10 1 (0.29%) IBM Cloud
10 1 (0.29%) SoftLayer
Communications & Networking
1 64 (18.29%) TCP/IP
2 37 (10.57%) SAN
3 33 (9.43%) DNS
4 32 (9.14%) Firewall
5 23 (6.57%) WAN
6 20 (5.71%) IPsec
6 20 (5.71%) VPN
7 18 (5.14%) HTTP
8 16 (4.57%) VoIP
8 16 (4.57%) Wireshark
9 15 (4.29%) SSL
10 14 (4.00%) RTP
11 12 (3.43%) DHCP
11 12 (3.43%) IP Telephony
11 12 (3.43%) Network Security
12 11 (3.14%) Internet
12 11 (3.14%) SSH
12 11 (3.14%) VLAN
13 8 (2.29%) LAN
14 7 (2.00%) Cisco Nexus
Database & Business Intelligence
1 128 (36.57%) MySQL
2 43 (12.29%) NoSQL
3 36 (10.29%) SQL Server
4 35 (10.00%) Hadoop
5 31 (8.86%) PostgreSQL
6 29 (8.29%) MongoDB
7 27 (7.71%) Big Data
8 16 (4.57%) Apache Cassandra
9 14 (4.00%) Relational Database
10 11 (3.14%) MariaDB
11 9 (2.57%) Neo4j
11 9 (2.57%) Pentaho
12 7 (2.00%) InfluxDB
12 7 (2.00%) Oracle Database
12 7 (2.00%) Redis
13 5 (1.43%) Amazon RDS
13 5 (1.43%) Oracle Reports
13 5 (1.43%) RDBMS
14 4 (1.14%) DB2
15 3 (0.86%) Informix
Development Applications
1 44 (12.57%) Git (software)
2 36 (10.29%) Jenkins
3 20 (5.71%) Vagrant
4 19 (5.43%) Subversion
5 12 (3.43%) JIRA
6 9 (2.57%) Talend Open Studio
7 7 (2.00%) PHPUnit
8 6 (1.71%) JMeter
9 5 (1.43%) Bitbucket
10 4 (1.14%) IntelliJ
11 3 (0.86%) NetBeans
11 3 (0.86%) Travis CI
12 2 (0.57%) JUnit
12 2 (0.57%) NUnit
12 2 (0.57%) PhpStorm
12 2 (0.57%) Selenium
12 2 (0.57%) Sublime Text
12 2 (0.57%) WebDriver
13 1 (0.29%) Maven
13 1 (0.29%) TeamCity
General
1 21 (6.00%) Telecoms
2 16 (4.57%) Games
3 10 (2.86%) Finance
3 10 (2.86%) Marketing
4 9 (2.57%) German Language
5 8 (2.29%) Electronics
5 8 (2.29%) French Language
6 5 (1.43%) Manufacturing
7 4 (1.14%) Legal
8 2 (0.57%) Advertising
8 2 (0.57%) Banking
8 2 (0.57%) Military
9 1 (0.29%) Music Industry
Job Titles
1 88 (25.14%) Linux Engineer
2 64 (18.29%) Administrator
3 59 (16.86%) Systems Administrator
4 53 (15.14%) Linux Administrator
5 48 (13.71%) Linux Systems Administrator
6 40 (11.43%) Developer
7 38 (10.86%) DevOps Engineer
8 37 (10.57%) Infrastructure Engineer
9 36 (10.29%) Systems Engineer
10 34 (9.71%) Linux Systems Engineer
11 29 (8.29%) Support Engineer
12 25 (7.14%) Senior Linux Engineer
13 22 (6.29%) Applications Support
14 21 (6.00%) Cloud Engineer
15 20 (5.71%) Senior Infrastructure Engineer
16 18 (5.14%) Web Engineer
17 16 (4.57%) Infrastructure Manager
17 16 (4.57%) PHP Developer
18 15 (4.29%) Web Administrator
19 14 (4.00%) Senior Systems Administrator
Libraries, Frameworks & Software Standards
1 59 (16.86%) LAMP
2 39 (11.14%) Web Services
3 26 (7.43%) .NET
4 19 (5.43%) JSON
5 16 (4.57%) LEMP Stack
6 15 (4.29%) jQuery
7 14 (4.00%) CSS
7 14 (4.00%) HTML
7 14 (4.00%) Node.js
7 14 (4.00%) ZeroMQ
8 13 (3.71%) CakePHP
8 13 (3.71%) LAPP Stack
9 11 (3.14%) AngularJS
10 9 (2.57%) ActiveMQ
10 9 (2.57%) Apache Camel
10 9 (2.57%) Apache CXF
10 9 (2.57%) D3.js
10 9 (2.57%) Drools
10 9 (2.57%) jBPM
11 7 (2.00%) SOAP
Miscellaneous
1 40 (11.43%) Data Centre
2 34 (9.71%) Linux Command Line
3 19 (5.43%) Computer Science
4 14 (4.00%) Cyberthreat
5 13 (3.71%) Analytical Skills
6 8 (2.29%) Mobile App
7 7 (2.00%) Clustering
8 6 (1.71%) Enterprise Software
8 6 (1.71%) Wiki
9 5 (1.43%) Fintech
9 5 (1.43%) iPad
9 5 (1.43%) Management Information System
9 5 (1.43%) Replication
10 4 (1.14%) EMC VNX
11 2 (0.57%) Celerra
11 2 (0.57%) Video Conferencing
12 1 (0.29%) Device Driver
12 1 (0.29%) Driving Licence
12 1 (0.29%) Internet of Things
12 1 (0.29%) Machine to Machine
Operating Systems
1 350 (100.00%) Linux
2 139 (39.71%) Windows
3 124 (35.43%) Red Hat Enterprise Linux
4 77 (22.00%) Ubuntu
5 63 (18.00%) Windows Server
6 50 (14.29%) Unix
7 48 (13.71%) Debian
8 34 (9.71%) Windows Server 2012
9 21 (6.00%) Windows Server 2008
10 20 (5.71%) Solaris
11 19 (5.43%) Fedora
12 18 (5.14%) Oracle Linux
13 12 (3.43%) FreeBSD
14 9 (2.57%) Windows 8
15 6 (1.71%) Amazon Linux
15 6 (1.71%) Mac OS
15 6 (1.71%) SUSE
16 4 (1.14%) AIX
16 4 (1.14%) HPUX
16 4 (1.14%) Windows 7
Processes & Methodologies
1 91 (26.00%) DevOps
2 66 (18.86%) Open Source
3 61 (17.43%) Agile Software Development
4 46 (13.14%) Configuration Management
4 46 (13.14%) Mentoring
5 42 (12.00%) ITIL
6 32 (9.14%) Cybersecurity
7 28 (8.00%) Scrum
8 26 (7.43%) Analytics
9 25 (7.14%) High Availability
10 24 (6.86%) Continuous Integration
10 24 (6.86%) Load Balancing
11 20 (5.71%) ITSM
12 19 (5.43%) Software Engineering
13 17 (4.86%) Microservices
13 17 (4.86%) Presales
14 15 (4.29%) Cyber Intelligence
14 15 (4.29%) SDLC
14 15 (4.29%) Security Patching
15 14 (4.00%) Service Management
Programming Languages
1 112 (32.00%) Python
2 91 (26.00%) Bash Shell
3 78 (22.29%) Java
4 73 (20.86%) PHP
5 59 (16.86%) SQL
6 57 (16.29%) Perl
7 28 (8.00%) C
8 25 (7.14%) JavaScript
9 24 (6.86%) Ruby
10 22 (6.29%) Shell Script
11 16 (4.57%) Lua
12 11 (3.14%) PowerShell
13 9 (2.57%) Jython
14 6 (1.71%) Groovy
15 5 (1.43%) C++
16 3 (0.86%) Go
16 3 (0.86%) PL/SQL
16 3 (0.86%) Rust
16 3 (0.86%) Tcl
17 2 (0.57%) HQL
Qualifications
1 36 (10.29%) Security Cleared
2 35 (10.00%) CISSP
3 33 (9.43%) Degree
4 28 (8.00%) CEH
4 28 (8.00%) GCIA
5 21 (6.00%) Microsoft Certification
6 19 (5.43%) RHCA
7 18 (5.14%) Cisco Certification
8 15 (4.29%) SC Cleared
9 10 (2.86%) CCNA
10 9 (2.57%) RHCE
10 9 (2.57%) VMware Certified Professional (VCP)
11 8 (2.29%) CCNP
12 5 (1.43%) GCIH
13 3 (0.86%) RHCSA
14 2 (0.57%) AWS Certification
14 2 (0.57%) MCSE
14 2 (0.57%) VCP6
15 1 (0.29%) HND
15 1 (0.29%) MCP
Quality Assurance & Compliance
1 14 (4.00%) ISO/IEC 27001
2 8 (2.29%) QA
3 1 (0.29%) PCI DSS
3 1 (0.29%) SLA
System Software
1 56 (16.00%) VMware Infrastructure
2 50 (14.29%) Active Directory
3 35 (10.00%) KVM
4 25 (7.14%) Docker
5 19 (5.43%) Hyper-V
5 19 (5.43%) vSphere
6 17 (4.86%) Xen
7 16 (4.57%) Kamailio
8 14 (4.00%) Virtual Servers
8 14 (4.00%) XenServer
9 13 (3.71%) Varnish
10 12 (3.43%) vCloud
11 9 (2.57%) VMware ESX
12 8 (2.29%) Postfix
12 8 (2.29%) VMware ESXi
13 6 (1.71%) Samba
14 4 (1.14%) Ceph
14 4 (1.14%) Squid
15 3 (0.86%) pfSense
15 3 (0.86%) Sendmail
Systems Management
1 95 (27.14%) Puppet
2 55 (15.71%) Opscode Chef
3 37 (10.57%) Ansible
4 19 (5.43%) Grafana
5 18 (5.14%) Nagios
6 12 (3.43%) Kubernetes
7 10 (2.86%) Salt
8 8 (2.29%) HAProxy
8 8 (2.29%) Oracle Enterprise Manager
8 8 (2.29%) Terraform
9 7 (2.00%) Cobbler
9 7 (2.00%) Graphite
10 6 (1.71%) SELinux
11 5 (1.43%) cPanel
12 4 (1.14%) Backup Exec
13 3 (0.86%) EMC NetWorker
13 3 (0.86%) Packer
13 3 (0.86%) ZABBIX
14 2 (0.57%) Microsoft Data Protection Manager
14 2 (0.57%) vMotion
Vendors
1 174 (49.71%) Red Hat
2 84 (24.00%) VMware
3 56 (16.00%) Microsoft
4 54 (15.43%) Oracle
5 51 (14.57%) Cisco
6 27 (7.71%) Google
7 23 (6.57%) Sun
8 14 (4.00%) Apple
9 12 (3.43%) EMC
10 11 (3.14%) Juniper
11 10 (2.86%) Teradata
12 9 (2.57%) Talend
13 8 (2.29%) Veeam
14 6 (1.71%) New Relic
15 5 (1.43%) HP
15 5 (1.43%) NetApp
15 5 (1.43%) Percona
15 5 (1.43%) SaltStack
15 5 (1.43%) SAP
16 4 (1.14%) Sybase
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Salary: From £45,000 to £65,000 per annum + Bonus + Excellent Benefits
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Reading, Berkshire
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Salary: £30000 - £45000 per annum
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Reading, Berkshire
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Salary: £40000 - £45000 per annum + benefits
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Havant, Hampshire
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Havant, Hampshire
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Banbury, Oxfordshire
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Woking, Surrey
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Salary: £35000 - £45000 per annum + Bens
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Abingdon, Oxfordshire
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Salary: Up to £50,000 per annum
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Berkshire
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Salary: £30000 - £45000 per annum
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Salary: £35000 - £50000 per annum
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