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 21 January 2017 with a comparison to the same period over the previous 2 years.

3 months to
21 Jan 2017
Same period 2016 Same period 2015
CentOS Linux
England / South East
Rank 219 261 288
Rank change year-on-year
+42 +27
Permanent jobs citing CentOS 185 211 167
As % of all permanent IT jobs located in the South East 1.26% 1.08% 0.81%
As % of the Operating Systems category 4.49% 3.74% 2.71%
Number of salaries quoted 174 192 150
Median salary £51,500 £47,500 £42,500
Median salary % change year-on-year
+8.42% +11.76%
90% offered a salary of more than £35,000 £32,500 £27,500
10% offered a salary of more than £70,000 £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
4120 5645 6155
As % of all permanent IT jobs located in the South East 28.03% 28.98% 29.87%
Number of salaries quoted 3518 4891 5044
Median salary £40,000 £40,000 £40,000
90% offered a salary of more than £24,000 £24,772 £23,000
10% offered a salary of more than £60,000 £57,500 £58,500
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 21 January 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 21 January 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 +87 102 £52,500 -4.54% 11
Hampshire +8 36 £45,000 - 5
Surrey +14 33 £65,000 +18.18% 4
East Sussex +26 10 £35,000 -
Buckinghamshire +20 1 £30,000 -36.84%
Kent +8 1 £47,500 -29.62% 2
West Sussex +8 1 £37,500 +19.04%
Oxfordshire -3 1 £57,500 +22.34% 2
CentOS
England

CentOS
Top 30 Related IT Skills in the South East

For the 6 months to 21 January 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.

1 355 (100.00%) Linux
2 187 (52.68%) Red Hat
3 145 (40.85%) Windows
3 145 (40.85%) Red Hat Enterprise Linux
4 130 (36.62%) MySQL
5 109 (30.70%) Apache
6 108 (30.42%) Python
7 100 (28.17%) Puppet
8 99 (27.89%) VMware
9 93 (26.20%) Bash Shell
10 89 (25.07%) DevOps
11 84 (23.66%) PHP
12 76 (21.41%) TCP/IP
13 75 (21.13%) Amazon AWS
14 74 (20.85%) Java
15 68 (19.15%) Perl
15 68 (19.15%) LAMP
15 68 (19.15%) VMware Infrastructure
16 64 (18.03%) Ubuntu
17 62 (17.46%) Microsoft
18 60 (16.90%) Windows Server
19 58 (16.34%) Cisco
19 58 (16.34%) Oracle
19 58 (16.34%) Agile Software Development
20 56 (15.77%) Configuration Management
21 55 (15.49%) Open Source
22 54 (15.21%) Active Directory
23 52 (14.65%) SQL
24 50 (14.08%) ITIL
25 48 (13.52%) Unix

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
1 109 (30.70%) Apache
2 40 (11.27%) nginx
3 33 (9.30%) Tomcat
4 27 (7.61%) Elasticsearch
5 17 (4.79%) IIS
6 11 (3.10%) OpenStack
7 7 (1.97%) WebSphere
8 6 (1.69%) JBoss
8 6 (1.69%) WebLogic
9 5 (1.41%) MS Exchange
10 3 (0.85%) CMS
10 3 (0.85%) MQSeries
11 2 (0.56%) Exchange Server 2010
12 1 (0.28%) Cloud Foundry
12 1 (0.28%) IBM Notes
12 1 (0.28%) SharePoint
Applications
1 27 (7.61%) MS Excel
2 1 (0.28%) MS Office
Business Applications
1 3 (0.85%) Eloqua
1 3 (0.85%) Oracle EBS
1 3 (0.85%) SAP Oil and Gas
2 1 (0.28%) Dynamics CRM
Cloud Services
1 75 (21.13%) Amazon AWS
2 30 (8.45%) SaaS
3 19 (5.35%) Microsoft Azure
3 19 (5.35%) PaaS
4 13 (3.66%) IaaS
5 9 (2.54%) Amazon EC2
6 7 (1.97%) Office 365
7 5 (1.41%) Virtual Private Cloud
8 4 (1.13%) Cloud Computing
8 4 (1.13%) Oracle CX
9 3 (0.85%) Amazon CloudWatch
9 3 (0.85%) Amazon ELB
9 3 (0.85%) Responsys
9 3 (0.85%) Route 53
9 3 (0.85%) Taleo
10 2 (0.56%) Amazon S3
10 2 (0.56%) G Suite
10 2 (0.56%) Google Cloud Platform
11 1 (0.28%) IBM Cloud
11 1 (0.28%) SoftLayer
Communications & Networking
1 76 (21.41%) TCP/IP
2 42 (11.83%) SAN
3 40 (11.27%) DNS
4 38 (10.70%) Firewall
5 28 (7.89%) IPsec
6 23 (6.48%) WAN
7 22 (6.20%) HTTP
7 22 (6.20%) VPN
8 21 (5.92%) SSL
9 20 (5.63%) VLAN
9 20 (5.63%) Wireshark
10 16 (4.51%) VoIP
11 15 (4.23%) SSH
12 14 (3.94%) Network Security
12 14 (3.94%) RTP
13 12 (3.38%) DHCP
14 11 (3.10%) Internet
15 10 (2.82%) IP Telephony
16 9 (2.54%) Cisco Nexus
16 9 (2.54%) SMTP
Database & Business Intelligence
1 130 (36.62%) MySQL
2 36 (10.14%) NoSQL
2 36 (10.14%) SQL Server
3 35 (9.86%) MongoDB
4 31 (8.73%) Hadoop
5 28 (7.89%) PostgreSQL
6 22 (6.20%) Big Data
7 16 (4.51%) Apache Cassandra
8 13 (3.66%) Relational Database
9 9 (2.54%) Neo4j
9 9 (2.54%) Pentaho
10 8 (2.25%) Couchbase
10 8 (2.25%) MariaDB
11 6 (1.69%) Azure SQL Database
12 5 (1.41%) Amazon RDS
12 5 (1.41%) Redis
13 4 (1.13%) InfluxDB
13 4 (1.13%) Oracle Database
14 3 (0.85%) DB2
14 3 (0.85%) Oracle Reports
Development Applications
1 33 (9.30%) Git (software)
1 33 (9.30%) Jenkins
2 23 (6.48%) Subversion
3 17 (4.79%) Vagrant
4 15 (4.23%) JIRA
5 13 (3.66%) PHPUnit
6 9 (2.54%) Talend Open Studio
7 4 (1.13%) IntelliJ
8 3 (0.85%) Bitbucket
8 3 (0.85%) Travis CI
9 1 (0.28%) Bugzilla
9 1 (0.28%) JMeter
9 1 (0.28%) Trac
General
1 25 (7.04%) Telecoms
2 13 (3.66%) French Language
3 11 (3.10%) Games
4 10 (2.82%) Finance
5 9 (2.54%) German Language
5 9 (2.54%) Marketing
6 8 (2.25%) Electronics
7 5 (1.41%) Manufacturing
8 4 (1.13%) Banking
9 3 (0.85%) Legal
10 2 (0.56%) Advertising
10 2 (0.56%) Military
11 1 (0.28%) Music Industry
Job Titles
1 107 (30.14%) Linux Engineer
2 54 (15.21%) Administrator
3 49 (13.80%) Systems Administrator
4 44 (12.39%) Linux Administrator
5 43 (12.11%) Infrastructure Engineer
6 41 (11.55%) DevOps Engineer
7 39 (10.99%) Linux Systems Administrator
8 37 (10.42%) Developer
9 32 (9.01%) Linux Systems Engineer
10 31 (8.73%) Systems Engineer
11 29 (8.17%) Support Engineer
12 28 (7.89%) Senior Linux Engineer
13 27 (7.61%) Cloud Engineer
14 22 (6.20%) PHP Developer
14 22 (6.20%) Senior Infrastructure Engineer
15 20 (5.63%) Infrastructure Manager
16 19 (5.35%) Web Engineer
17 16 (4.51%) Applications Support
17 16 (4.51%) Linux Specialist
17 16 (4.51%) Web Administrator
Libraries, Frameworks & Software Standards
1 68 (19.15%) LAMP
2 47 (13.24%) Web Services
3 21 (5.92%) jQuery
4 20 (5.63%) JSON
4 20 (5.63%) LEMP Stack
5 18 (5.07%) .NET
6 17 (4.79%) CakePHP
6 17 (4.79%) LAPP Stack
7 13 (3.66%) REST
7 13 (3.66%) SOAP
7 13 (3.66%) XML
8 12 (3.38%) Node.js
9 11 (3.10%) AngularJS
10 10 (2.82%) CSS
10 10 (2.82%) HTML
10 10 (2.82%) ZeroMQ
11 9 (2.54%) ActiveMQ
11 9 (2.54%) Apache Camel
11 9 (2.54%) D3.js
11 9 (2.54%) Drools
Miscellaneous
1 43 (12.11%) Data Centre
2 17 (4.79%) Computer Science
3 14 (3.94%) Clustering
4 12 (3.38%) Mathematics
5 11 (3.10%) Cyberthreat
5 11 (3.10%) Wiki
6 9 (2.54%) Analytical Skills
7 7 (1.97%) iPad
7 7 (1.97%) Mobile App
8 6 (1.69%) Replication
9 5 (1.41%) Fintech
10 4 (1.13%) Enterprise Software
11 3 (0.85%) Management Information System
11 3 (0.85%) Statistics
12 2 (0.56%) Biology
12 2 (0.56%) Chemistry
12 2 (0.56%) Driving Licence
12 2 (0.56%) Performance Metrics
12 2 (0.56%) Physics
12 2 (0.56%) Video Conferencing
Operating Systems
1 355 (100.00%) Linux
2 145 (40.85%) Red Hat Enterprise Linux
2 145 (40.85%) Windows
3 64 (18.03%) Ubuntu
4 60 (16.90%) Windows Server
5 48 (13.52%) Unix
6 43 (12.11%) Windows Server 2012
7 35 (9.86%) Debian
8 29 (8.17%) Fedora
9 19 (5.35%) Solaris
10 18 (5.07%) Windows Server 2008
11 16 (4.51%) FreeBSD
12 14 (3.94%) Oracle Linux
13 10 (2.82%) Windows 8
14 9 (2.54%) SUSE
15 5 (1.41%) Windows 10
15 5 (1.41%) Windows 7
16 4 (1.13%) Amazon Linux
17 3 (0.85%) AIX
17 3 (0.85%) HPUX
Processes & Methodologies
1 89 (25.07%) DevOps
2 58 (16.34%) Agile Software Development
3 56 (15.77%) Configuration Management
4 55 (15.49%) Open Source
5 50 (14.08%) ITIL
6 34 (9.58%) Mentoring
7 30 (8.45%) Scrum
8 28 (7.89%) Continuous Integration
9 27 (7.61%) Load Balancing
10 23 (6.48%) ITSM
11 21 (5.92%) Cybersecurity
12 20 (5.63%) Analytics
12 20 (5.63%) High Availability
13 17 (4.79%) SDLC
14 16 (4.51%) OO PHP
14 16 (4.51%) Security Patching
15 15 (4.23%) Incident Management
15 15 (4.23%) Software Engineering
16 14 (3.94%) Service Management
17 13 (3.66%) Unit Testing
Programming Languages
1 108 (30.42%) Python
2 93 (26.20%) Bash Shell
3 84 (23.66%) PHP
4 74 (20.85%) Java
5 68 (19.15%) Perl
6 52 (14.65%) SQL
7 31 (8.73%) JavaScript
8 26 (7.32%) Ruby
8 26 (7.32%) Shell Script
9 24 (6.76%) C
10 20 (5.63%) Lua
11 11 (3.10%) PowerShell
12 9 (2.54%) Jython
13 7 (1.97%) C++
14 6 (1.69%) Groovy
15 3 (0.85%) PL/SQL
15 3 (0.85%) Tcl
16 1 (0.28%) PHP 5
16 1 (0.28%) PHP 7
Qualifications
1 41 (11.55%) Security Cleared
2 30 (8.45%) Cisco Certification
3 29 (8.17%) Degree
4 26 (7.32%) CISSP
5 25 (7.04%) Microsoft Certification
6 19 (5.35%) CEH
6 19 (5.35%) GCIA
6 19 (5.35%) RHCA
6 19 (5.35%) RHCE
7 18 (5.07%) VMware Certified Professional (VCP)
8 16 (4.51%) CCNA
8 16 (4.51%) SC Cleared
9 14 (3.94%) CCNP
10 8 (2.25%) RHCSA
11 6 (1.69%) MCSE
12 5 (1.41%) GCIH
13 4 (1.13%) AWS Certification
14 2 (0.56%) VCP6
15 1 (0.28%) DV Cleared
15 1 (0.28%) MCP
Quality Assurance & Compliance
1 19 (5.35%) ISO/IEC 27001
2 14 (3.94%) QA
3 1 (0.28%) PCI DSS
3 1 (0.28%) SLA
System Software
1 68 (19.15%) VMware Infrastructure
2 54 (15.21%) Active Directory
3 28 (7.89%) KVM
4 22 (6.20%) Docker
4 22 (6.20%) VMware ESX
5 21 (5.92%) vSphere
6 20 (5.63%) Kamailio
7 17 (4.79%) Hyper-V
8 16 (4.51%) Postfix
8 16 (4.51%) vCloud
9 14 (3.94%) Virtual Servers
10 12 (3.38%) VMware ESXi
11 11 (3.10%) Samba
11 11 (3.10%) XenServer
12 8 (2.25%) pfSense
12 8 (2.25%) Sendmail
12 8 (2.25%) Squid
13 6 (1.69%) Varnish
13 6 (1.69%) Xen
14 5 (1.41%) iptables
Systems Management
1 100 (28.17%) Puppet
2 42 (11.83%) Ansible
2 42 (11.83%) Opscode Chef
3 13 (3.66%) Nagios
4 12 (3.38%) Grafana
5 11 (3.10%) HAProxy
6 10 (2.82%) Salt
7 7 (1.97%) Backup Exec
7 7 (1.97%) Kubernetes
8 5 (1.41%) Microsoft Data Protection Manager
8 5 (1.41%) Oracle Enterprise Manager
8 5 (1.41%) SELinux
8 5 (1.41%) Terraform
8 5 (1.41%) vMotion
9 4 (1.13%) Graphite
10 3 (0.85%) Cobbler
10 3 (0.85%) ZABBIX
11 2 (0.56%) HP Data Protector
11 2 (0.56%) Legato
11 2 (0.56%) NetBackup
Vendors
1 187 (52.68%) Red Hat
2 99 (27.89%) VMware
3 62 (17.46%) Microsoft
4 58 (16.34%) Cisco
4 58 (16.34%) Oracle
5 24 (6.76%) Sun
6 22 (6.20%) Google
7 14 (3.94%) Veeam
8 10 (2.82%) Apple
9 9 (2.54%) Dell
9 9 (2.54%) Talend
10 8 (2.25%) HP
10 8 (2.25%) Teradata
11 7 (1.97%) EMC
11 7 (1.97%) Juniper
12 6 (1.69%) SolarWinds
13 5 (1.41%) Percona
13 5 (1.41%) Symantec
14 4 (1.13%) Citrix
14 4 (1.13%) NetApp
Leatherhead, Surrey
Recann
Salary: £60000 - £70000 per annum + bonus, pension, other benefits
Posted: Yesterday
Berkshire
IntaPeople
Salary: £30000 - £45000 per annum
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Reigate, Surrey
Total Recruitment Specialists Limited / TRG / Total recruitment group
Salary: £60000 - £75000 Per Annum Plus Bonus and Benefits
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Reading, Berkshire
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Salary: £30000 - £45000 per annum
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Guildford, Surrey
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Salary: £45000 - £60000 per annum
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RecruitmentRevolution.com Limited
Salary: Excellent Salary + Company Benefits Package
Posted: Yesterday
Reading, Berkshire
ECMWF
Salary: Competitive Salary
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Spectrum IT Recruitment (South) Ltd
Salary: £55000 - £65000 per annum + Benefits
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Basingstoke, Hampshire
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Salary: From £50,000 to £65,000 per annum
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Kent
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