The following table provides summary statistics for permanent job vacancies advertised in the South East 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 28 March 2017 with a comparison to the same period in the previous 2 years.

CentOS Linux
England / South East
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 245 281 315
Rank change year-on-year +36 +34  
Permanent jobs citing CentOS 155 174 149
As % of all permanent IT jobs advertised in the South East 1.03% 0.89% 0.71%
As % of the Operating Systems category 3.71% 2.94% 2.46%
Number of salaries quoted 135 166 135
Median salary £50,000 £52,500 £42,500
Median salary % change year-on-year -4.76% +23.52%  
90% offered a salary of more than £35,900 £32,500 £22,700
10% offered a salary of more than £67,500 £65,000 £60,000
UK excluding London median salary £42,500 £45,000 £42,500
% change year-on-year -5.55% +5.88%  

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 the South East with a requirement for operating system skills.

Operating System Skills
South East
Permanent job vacancies with a requirement for operating system skills 4180 5910 6058
As % of all permanent IT job vacancies advertised in the South East 27.88% 30.35% 28.96%
Number of salaries quoted 3613 5135 5079
Median salary £40,000 £40,000 £40,000
90% offered a salary of more than £24,000 £24,500 £23,075
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
Job Vacancy Trend in the South East

The job posting trend of jobs advertised in the South East 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 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 in the South East.

Salary trend for CentOS in the South East

CentOS
Salary Histogram in the South East

The salary distribution of IT jobs citing CentOS in the South East over the 3 months to 28 March 2017.

Salary histogram for CentOS 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 28 March 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 +64 81 £51,500 -1.90% 12
Hampshire +8 22 £42,500 -5.55% 7
Oxfordshire -2 19 £50,000 +6.38% 1
Surrey +18 14 £46,500 -15.45% 1
Kent +33 10 £47,500 +2.70%
West Sussex +13 6 £41,500 +13.69%
East Sussex +9 3 £35,000 -11.39%
CentOS
England

For the 6 months to 28 March 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.

1 336 (100.00%) Linux
2 163 (48.51%) Red Hat
3 141 (41.96%) Windows
4 114 (33.93%) MySQL
4 114 (33.93%) Python
5 97 (28.87%) Red Hat Enterprise Linux
6 89 (26.49%) Apache
7 87 (25.89%) DevOps
8 86 (25.60%) Bash Shell
9 85 (25.30%) Puppet
10 81 (24.11%) Amazon AWS
11 80 (23.81%) Ubuntu
12 79 (23.51%) Java
13 76 (22.62%) VMware
14 71 (21.13%) Open Source
15 65 (19.35%) Windows Server
16 61 (18.15%) Opscode Chef
17 59 (17.56%) Agile Software Development
18 58 (17.26%) SQL
19 57 (16.96%) Microsoft
20 54 (16.07%) Cisco
20 54 (16.07%) Perl
20 54 (16.07%) PHP
21 52 (15.48%) Debian
22 50 (14.88%) Git (software)
22 50 (14.88%) VMware Infrastructure
23 49 (14.58%) Unix
23 49 (14.58%) Mentoring
24 48 (14.29%) Data Centre
25 47 (13.99%) Oracle

CentOS
Co-occurring 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 89 (26.49%) Apache
2 47 (13.99%) Elasticsearch
3 38 (11.31%) nginx
4 29 (8.63%) IIS
5 27 (8.04%) Tomcat
6 13 (3.87%) WebSphere
7 11 (3.27%) OpenStack
8 9 (2.68%) WebLogic
9 7 (2.08%) Apache Solr
9 7 (2.08%) Cloud Foundry
9 7 (2.08%) MS Exchange
10 5 (1.49%) JBoss
11 3 (0.89%) MQSeries
12 2 (0.60%) Drupal
12 2 (0.60%) Exchange Server 2010
12 2 (0.60%) IBM Notes
12 2 (0.60%) Kentico
12 2 (0.60%) Umbraco
12 2 (0.60%) WordPress
13 1 (0.30%) Confluence
Applications
1 18 (5.36%) MS Excel
2 1 (0.30%) MS Office
Business Applications
1 6 (1.79%) Eloqua
1 6 (1.79%) Oracle EBS
2 2 (0.60%) Magento
2 2 (0.60%) SAP Oil and Gas
3 1 (0.30%) Dynamics CRM
Cloud Services
1 81 (24.11%) Amazon AWS
2 45 (13.39%) SaaS
3 20 (5.95%) Microsoft Azure
4 19 (5.65%) PaaS
5 14 (4.17%) Amazon EC2
6 11 (3.27%) IaaS
7 8 (2.38%) Google Cloud Platform
8 7 (2.08%) Amazon S3
9 6 (1.79%) Amazon ELB
9 6 (1.79%) Google App Engine
9 6 (1.79%) Responsys
9 6 (1.79%) Taleo
10 5 (1.49%) Oracle CX
11 4 (1.19%) Cloud Computing
12 2 (0.60%) Firebase
12 2 (0.60%) G Suite
13 1 (0.30%) IBM Cloud
13 1 (0.30%) Office 365
13 1 (0.30%) SoftLayer
13 1 (0.30%) Virtual Private Cloud
Communications & Networking
1 47 (13.99%) TCP/IP
2 40 (11.90%) SAN
3 39 (11.61%) DNS
4 29 (8.63%) Firewall
5 27 (8.04%) WAN
6 19 (5.65%) VPN
7 17 (5.06%) DHCP
7 17 (5.06%) HTTP
8 16 (4.76%) VoIP
9 15 (4.46%) Cisco Nexus
10 14 (4.17%) RTP
10 14 (4.17%) SSL
10 14 (4.17%) Wireshark
11 13 (3.87%) LAN
12 12 (3.57%) IP Telephony
13 11 (3.27%) Internet
14 10 (2.98%) Network Security
15 9 (2.68%) IPsec
15 9 (2.68%) SSH
16 7 (2.08%) Cisco PIX
Database & Business Intelligence
1 114 (33.93%) MySQL
2 45 (13.39%) SQL Server
3 39 (11.61%) NoSQL
4 36 (10.71%) Hadoop
4 36 (10.71%) PostgreSQL
5 30 (8.93%) MongoDB
6 28 (8.33%) Big Data
7 19 (5.65%) Apache Cassandra
8 15 (4.46%) Relational Database
9 11 (3.27%) Redis
10 10 (2.98%) MariaDB
10 10 (2.98%) Neo4j
10 10 (2.98%) Pentaho
11 8 (2.38%) Oracle Database
12 7 (2.08%) InfluxDB
13 6 (1.79%) Oracle Reports
13 6 (1.79%) RDBMS
14 4 (1.19%) DB2
14 4 (1.19%) SQLite
15 3 (0.89%) SQL Server 2005
Development Applications
1 50 (14.88%) Git (software)
2 38 (11.31%) Jenkins
3 16 (4.76%) Vagrant
4 11 (3.27%) JIRA
5 10 (2.98%) Talend Open Studio
6 8 (2.38%) Subversion
7 7 (2.08%) JMeter
8 6 (1.79%) Bitbucket
8 6 (1.79%) JUnit
8 6 (1.79%) NUnit
8 6 (1.79%) Selenium
8 6 (1.79%) Sonatype Nexus
8 6 (1.79%) WebDriver
9 5 (1.49%) NetBeans
10 3 (0.89%) PhpStorm
10 3 (0.89%) Sublime Text
11 1 (0.30%) Bugzilla
11 1 (0.30%) Maven
11 1 (0.30%) TeamCity
11 1 (0.30%) Trac
General
1 18 (5.36%) Telecoms
2 16 (4.76%) Games
3 11 (3.27%) Finance
4 9 (2.68%) German Language
4 9 (2.68%) Marketing
5 7 (2.08%) Electronics
6 6 (1.79%) Legal
7 5 (1.49%) French Language
8 4 (1.19%) Manufacturing
9 2 (0.60%) Advertising
9 2 (0.60%) Banking
9 2 (0.60%) Military
Job Titles
1 77 (22.92%) Administrator
2 72 (21.43%) Systems Administrator
3 64 (19.05%) Linux Engineer
4 59 (17.56%) Linux Administrator
5 54 (16.07%) Linux Systems Administrator
6 37 (11.01%) Systems Engineer
7 36 (10.71%) Developer
8 35 (10.42%) DevOps Engineer
9 32 (9.52%) Infrastructure Engineer
10 31 (9.23%) Linux Systems Engineer
11 28 (8.33%) Support Engineer
12 23 (6.85%) Applications Support
12 23 (6.85%) Senior Systems Administrator
13 21 (6.25%) Senior Linux Engineer
14 17 (5.06%) Senior Infrastructure Engineer
15 16 (4.76%) Senior Linux Administrator
15 16 (4.76%) Senior Linux Systems Administrator
16 15 (4.46%) Security Engineer
17 14 (4.17%) Web Engineer
18 13 (3.87%) Cloud Engineer
Libraries, Frameworks & Software Standards
1 44 (13.10%) LAMP
2 33 (9.82%) Web Services
3 26 (7.74%) .NET
4 17 (5.06%) Node.js
5 16 (4.76%) AngularJS
5 16 (4.76%) HTML
6 15 (4.46%) CSS
7 14 (4.17%) ZeroMQ
8 12 (3.57%) Elastic Stack
8 12 (3.57%) JSON
9 10 (2.98%) ActiveMQ
9 10 (2.98%) Apache Camel
9 10 (2.98%) Apache CXF
9 10 (2.98%) D3.js
9 10 (2.98%) Drools
9 10 (2.98%) jBPM
9 10 (2.98%) LAPP Stack
10 9 (2.68%) LEMP Stack
10 9 (2.68%) RESTful
10 9 (2.68%) Twitter Bootstrap
Miscellaneous
1 48 (14.29%) Data Centre
2 21 (6.25%) Computer Science
3 20 (5.95%) Linux Command Line
4 14 (4.17%) Analytical Skills
4 14 (4.17%) Cyberthreat
5 9 (2.68%) Mobile App
6 8 (2.38%) Management Information System
6 8 (2.38%) Public Cloud
7 7 (2.08%) Enterprise Software
8 6 (1.79%) Replication
9 5 (1.49%) EMC VNX
9 5 (1.49%) Fintech
10 4 (1.19%) Clustering
11 3 (0.89%) Driving Licence
12 2 (0.60%) Celerra
12 2 (0.60%) iPad
12 2 (0.60%) Video Conferencing
13 1 (0.30%) Device Driver
13 1 (0.30%) Digital Media
13 1 (0.30%) Wiki
Operating Systems
1 336 (100.00%) Linux
2 141 (41.96%) Windows
3 97 (28.87%) Red Hat Enterprise Linux
4 80 (23.81%) Ubuntu
5 65 (19.35%) Windows Server
6 52 (15.48%) Debian
7 49 (14.58%) Unix
8 39 (11.61%) Windows Server 2012
9 33 (9.82%) Windows Server 2008
10 21 (6.25%) Solaris
11 18 (5.36%) Oracle Linux
12 10 (2.98%) Fedora
13 9 (2.68%) Windows 8
14 8 (2.38%) FreeBSD
15 7 (2.08%) Amazon Linux
15 7 (2.08%) Mac OS
16 5 (1.49%) AIX
17 4 (1.19%) HPUX
17 4 (1.19%) SUSE
17 4 (1.19%) Windows 7
Processes & Methodologies
1 87 (25.89%) DevOps
2 71 (21.13%) Open Source
3 59 (17.56%) Agile Software Development
4 49 (14.58%) Mentoring
5 38 (11.31%) ITIL
6 37 (11.01%) Configuration Management
7 34 (10.12%) Cybersecurity
8 33 (9.82%) High Availability
9 27 (8.04%) Analytics
10 23 (6.85%) Microservices
10 23 (6.85%) Scrum
11 19 (5.65%) Continuous Integration
11 19 (5.65%) ITSM
12 18 (5.36%) Software Engineering
13 17 (5.06%) Presales
14 16 (4.76%) Load Balancing
15 15 (4.46%) Cyber Intelligence
16 14 (4.17%) Mathematics
16 14 (4.17%) SIEM
17 12 (3.57%) Performance Monitoring
Programming Languages
1 114 (33.93%) Python
2 86 (25.60%) Bash Shell
3 79 (23.51%) Java
4 58 (17.26%) SQL
5 54 (16.07%) Perl
5 54 (16.07%) PHP
6 26 (7.74%) C
7 23 (6.85%) Shell Script
8 21 (6.25%) Ruby
9 18 (5.36%) JavaScript
10 14 (4.17%) Lua
11 11 (3.27%) PowerShell
12 10 (2.98%) Jython
13 6 (1.79%) Groovy
13 6 (1.79%) HQL
13 6 (1.79%) T-SQL
14 3 (0.89%) C++
14 3 (0.89%) Go
14 3 (0.89%) PHP 5
14 3 (0.89%) PL/SQL
Qualifications
1 40 (11.90%) Degree
2 35 (10.42%) CISSP
3 32 (9.52%) Security Cleared
4 28 (8.33%) CEH
4 28 (8.33%) GCIA
5 19 (5.65%) Microsoft Certification
5 19 (5.65%) RHCA
5 19 (5.65%) SC Cleared
6 8 (2.38%) CCNA
6 8 (2.38%) Cisco Certification
7 5 (1.49%) GCIH
8 4 (1.19%) VMware Certified Professional (VCP)
9 3 (0.89%) ITIL Certification
9 3 (0.89%) RHCE
10 2 (0.60%) AWS Certification
10 2 (0.60%) OCA
10 2 (0.60%) OCP
10 2 (0.60%) Oracle Certification
10 2 (0.60%) RHCSA
10 2 (0.60%) VCP6
Quality Assurance & Compliance
1 12 (3.57%) ISO/IEC 27001
2 3 (0.89%) SLA
3 1 (0.30%) PCI DSS
3 1 (0.30%) QA
System Software
1 50 (14.88%) VMware Infrastructure
2 45 (13.39%) Active Directory
3 35 (10.42%) Docker
3 35 (10.42%) KVM
4 27 (8.04%) Hyper-V
5 21 (6.25%) Varnish
6 20 (5.95%) Xen
7 17 (5.06%) vSphere
8 15 (4.46%) XenServer
9 14 (4.17%) Kamailio
10 12 (3.57%) Virtual Servers
11 9 (2.68%) vCloud
12 6 (1.79%) VMware ESXi
13 4 (1.19%) VirtualBox
14 3 (0.89%) Postfix
14 3 (0.89%) Squid
14 3 (0.89%) VMware ESX
15 2 (0.60%) Ceph
15 2 (0.60%) iptables
15 2 (0.60%) Veritas Cluster Server
Systems Management
1 85 (25.30%) Puppet
2 61 (18.15%) Opscode Chef
3 35 (10.42%) Ansible
4 20 (5.95%) Nagios
5 19 (5.65%) Grafana
6 13 (3.87%) HAProxy
6 13 (3.87%) Kubernetes
7 11 (3.27%) Salt
8 9 (2.68%) Cobbler
8 9 (2.68%) Oracle Enterprise Manager
8 9 (2.68%) Terraform
8 9 (2.68%) ZABBIX
9 8 (2.38%) cPanel
9 8 (2.38%) Kibana
9 8 (2.38%) logstash
10 7 (2.08%) Graphite
11 6 (1.79%) SELinux
12 4 (1.19%) NetBackup
12 4 (1.19%) Packer
13 3 (0.89%) Red Hat Satellite
Vendors
1 163 (48.51%) Red Hat
2 76 (22.62%) VMware
3 57 (16.96%) Microsoft
4 54 (16.07%) Cisco
5 47 (13.99%) Oracle
6 28 (8.33%) Google
7 21 (6.25%) Sun
8 19 (5.65%) EMC
8 19 (5.65%) Juniper
9 14 (4.17%) Apple
10 13 (3.87%) New Relic
11 12 (3.57%) HP
12 11 (3.27%) Dell
13 10 (2.98%) Talend
13 10 (2.98%) Teradata
14 6 (1.79%) Twitter
14 6 (1.79%) Veritas
15 5 (1.49%) NetApp
15 5 (1.49%) SaltStack
16 4 (1.19%) Sybase
Reading, Berkshire
Searchability
Salary: £30000 - £45000 per annum
Posted: 7 hours ago
Portsmouth, Hampshire
Spectrum IT Recruitment (South) Ltd
Salary: £40000 - £50000 per annum + benefits
Posted: 14 hours ago
Slough, Berkshire
Austin Fraser
Salary: £65000 - £70000 per annum + Benefits
Posted: Yesterday
Reading, Berkshire
Austin Fraser
Salary: £30000 - £35000 per annum + Benfits
Posted: Yesterday
Reading, Berkshire
Austin Fraser
Salary: £25000 - £35000 per annum + Benefits
Posted: Yesterday
Windsor, Berkshire
Randstad Technologies
Salary: £50000.00 per annum
Posted: Yesterday
Portsmouth, Hampshire
Spectrum IT Recruitment (South) Ltd
Salary: £35000 - £45000 per annum + training and benefits
Posted: 12 hours ago
Windsor, Berkshire
Austin Fraser
Salary: £45000 - £50000 per annum + Benefits
Posted: Yesterday
Reading, Berkshire
Deanslist Limited
Salary: From £40,000 to £50,000 per annum + Bonus + Excellent Benefits
Posted: 2 days ago
Oxford, Oxfordshire
Big Red Recruitment
Salary: £45000 - £60000 per annum + competitive package
Posted: 5 days ago
Reading, Berkshire
ARC IT Recruitment Ltd
Salary: to 33k
Posted: 4 days ago
Havant, Hampshire
Jobsite
Salary: Competitive Salary plus 29 days holiday & Group Pension Scheme
Posted: 4 days ago
Reading, Berkshire
Oscar
Salary: £40000 - £50000 per annum + Benefits
Posted: 3 days ago
Reading, Berkshire
RecruitmentRevolution.com Limited
Salary: Excellent Salary + Company Benefits Package
Posted: 5 days ago
Guildford
BAE SYSTEMS
Salary: Competitive + Benefits
Posted: 6 days ago
Reading, Berkshire
ANSON MCCADE
Salary: £35,000 - £40,000 and comprehensive package
Posted: 6 days ago
Farnborough
Recruitment Revolution Limited
Salary: Salary based on expertise
Posted: 17 days ago
Windsor
Hays West And Wales
Salary: £45000.00 - £50000.00 per annum
Posted: 25 days ago
Farnborough, Hampshire
Leidos
Posted: 26 days ago