The table below looks at the statistics for CentOS skills in IT jobs advertised for the England region. Included is a guide to the average salaries offered in IT jobs that have cited CentOS over the 3 months to 30 January 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
30 Jan 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 375 356 399
Rank change year-on-year
-19 +43
Permanent jobs citing CentOS 659 680 621
As % of all permanent IT jobs located in England 0.67% 0.71% 0.60%
As % of the Operating Systems category 2.41% 2.57% 2.16%
Number of salaries quoted 597 634 584
Average salary £45,000 £46,500 £41,750
Average salary % change year-on-year
-3.22% +11.37%
90% offered a salary of more than £30,000 £32,500 £30,000
10% offered a salary of more than £60,000 £62,500 £60,000
UK excluding London average salary £42,000 £44,000 £36,500
% change year-on-year
-4.54% +20.54%
CentOS
UK

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

Operating Systems Category
England
Permanent IT job ads with a match in the
Operating Systems category
27351 26442 28754
As % of all permanent IT jobs located in England 27.68% 27.65% 27.84%
Number of salaries quoted 23165 21979 24864
Average salary £40,500 £41,500 £40,000
Average salary % change year-on-year
-2.40% +3.75%
90% offered a salary of more than £24,500 £25,000 £25,000
10% offered a salary of more than £65,000 £62,500 £65,000
UK excluding London average salary £37,500 £37,500 £37,500

CentOS
Jobs Demand Trend in England

This chart provides a 3-month moving total of permanent IT jobs citing CentOS across the England region as a proportion of the total demand within the Operating Systems category.

CentOS Jobs Demand Trend in England

CentOS
Salary Trend in England

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

CentOS Salary Trend in England

CentOS
Salary Histogram in England

This chart provides a salary histogram for IT jobs citing CentOS across the England region over the 3 months to 30 January 2015.

CentOS Salary Histogram in England

CentOS
Job Locations in England

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing CentOS within the England region over the 3 months to 30 January 2015. 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
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Average Salary
Last 3 Months
Average Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
London -46 333 £50,000 - 52
South East -6 165 £42,500 -5.55% 17
South West +33 53 £42,500 +10.38% 10
Yorkshire -3 34 £41,500 +27.69% 11
North West +3 29 £37,500 -6.25% 13
West Midlands -5 18 £32,500 - 6
East of England -39 15 £52,500 - 3
East Midlands +27 13 £35,000 -12.50%
North East - 4 £47,500 -
CentOS
UK

CentOS
Top 30 Related IT Skills in England

For the 6 months to 30 January 2015, IT jobs across the England region citing CentOS also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited CentOS.

1 1329 (96.58%) Linux
2 956 (69.48%) Red Hat
3 652 (47.38%) Red Hat Enterprise Linux
4 564 (40.99%) Puppet
5 560 (40.70%) MySQL
6 550 (39.97%) Windows
7 529 (38.44%) VMware
8 488 (35.47%) Python
9 451 (32.78%) Perl
9 451 (32.78%) Bash Shell
10 439 (31.90%) Apache
11 427 (31.03%) PHP
12 372 (27.03%) Ubuntu
13 311 (22.60%) VMware Infrastructure
14 309 (22.46%) DevOps
15 272 (19.77%) Debian
16 270 (19.62%) Opscode Chef
17 261 (18.97%) Git (software)
18 255 (18.53%) Ruby
19 251 (18.24%) Nagios
20 245 (17.81%) Tomcat
20 245 (17.81%) TCP/IP
21 244 (17.73%) SQL
22 236 (17.15%) Java
23 230 (16.72%) DNS
23 230 (16.72%) Firewall
24 213 (15.48%) SAN
24 213 (15.48%) UNIX
25 206 (14.97%) Amazon AWS
26 203 (14.75%) Microsoft

CentOS
Top Related IT Skills in England by Category

For the 6 months to 30 January 2015, IT jobs across the England region citing CentOS also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited CentOS. Up to 20 skills are shown per category.

Application Platforms
1 439 (31.90%) Apache
2 245 (17.81%) Tomcat
3 179 (13.01%) nginx
4 116 (8.43%) IIS
5 81 (5.89%) MS Exchange
6 53 (3.85%) JBoss
7 44 (3.20%) OpenStack
8 43 (3.13%) Elasticsearch
9 42 (3.05%) Exchange Server 2010
10 34 (2.47%) Apache Solr
11 33 (2.40%) WordPress
12 32 (2.33%) Node.js
13 28 (2.03%) Lync
14 27 (1.96%) Confluence
15 24 (1.74%) WebLogic
15 24 (1.74%) Drupal
16 21 (1.53%) CMS
17 19 (1.38%) SharePoint
18 16 (1.16%) Moodle
19 15 (1.09%) WebSphere
Applications
1 95 (6.90%) MS Excel
2 10 (0.73%) Photoshop
3 7 (0.51%) MS Office
4 2 (0.15%) Mingle
5 1 (0.073%) MS Visio
5 1 (0.073%) Maya
5 1 (0.073%) 3ds Max
Business Applications
1 20 (1.45%) Magento
2 10 (0.73%) Dynamics CRM
2 10 (0.73%) Oracle General Ledger
3 6 (0.44%) Oracle EBS
4 4 (0.29%) SAP Oil and Gas
5 2 (0.15%) Oracle BPM
6 1 (0.073%) Dynamics NAV
Cloud Services
1 206 (14.97%) Amazon AWS
2 70 (5.09%) Amazon EC2
3 45 (3.27%) Amazon S3
4 42 (3.05%) Cloud Computing
5 39 (2.83%) SaaS
6 21 (1.53%) Office 365
7 20 (1.45%) IaaS
7 20 (1.45%) Rackspace Cloud
8 18 (1.31%) Amazon ELB
9 15 (1.09%) PaaS
9 15 (1.09%) GitHub
10 10 (0.73%) Microsoft Azure
11 8 (0.58%) Google Cloud Platform
12 7 (0.51%) SoftLayer
13 5 (0.36%) Amazon SQS
14 4 (0.29%) Joyent
14 4 (0.29%) Heroku
14 4 (0.29%) Engine Yard
15 3 (0.22%) Sumo Logic
16 2 (0.15%) Route 53
Communications & Networking
1 245 (17.81%) TCP/IP
2 230 (16.72%) DNS
2 230 (16.72%) Firewall
3 213 (15.48%) SAN
4 144 (10.47%) VPN
5 122 (8.87%) LDAP
6 121 (8.79%) LAN
7 114 (8.28%) HTTP
8 111 (8.07%) SSL
9 107 (7.78%) WAN
10 93 (6.76%) DHCP
11 82 (5.96%) NAS
12 72 (5.23%) IPsec
13 63 (4.58%) SMTP
13 63 (4.58%) SNMP
14 59 (4.29%) SSH
15 52 (3.78%) BGP
16 45 (3.27%) Internet
17 42 (3.05%) OSPF
17 42 (3.05%) Cisco ASA
Database & Business Intelligence
1 560 (40.70%) MySQL
2 145 (10.54%) SQL Server
3 113 (8.21%) PostgreSQL
4 106 (7.70%) MongoDB
5 76 (5.52%) NoSQL
6 72 (5.23%) Redis
7 71 (5.16%) Relational Database
8 49 (3.56%) Big Data
9 48 (3.49%) Hadoop
10 41 (2.98%) SQL Server 2005
11 38 (2.76%) SQL Server 2008
12 37 (2.69%) Apache Cassandra
13 36 (2.62%) Oracle Database
14 31 (2.25%) CouchDB
15 30 (2.18%) MariaDB
16 23 (1.67%) SQL Server 2012
17 19 (1.38%) Amazon DynamoDB
18 16 (1.16%) Amazon RDS
19 15 (1.09%) RDBMS
20 12 (0.87%) SQL Server Integration Services
Development Applications
1 261 (18.97%) Git (software)
2 163 (11.85%) Jenkins
3 131 (9.52%) Subversion
4 62 (4.51%) JIRA
5 41 (2.98%) Hudson
6 37 (2.69%) Maven
7 29 (2.11%) Mercurial
8 25 (1.82%) Atlassian Bamboo
9 21 (1.53%) Behat
10 17 (1.24%) PHPUnit
11 11 (0.80%) Selenium
12 10 (0.73%) Visual Studio
13 9 (0.65%) Ant
14 8 (0.58%) Cucumber
15 7 (0.51%) Appcelerator Titanium
15 7 (0.51%) Eclipse
16 6 (0.44%) Yeoman
16 6 (0.44%) TeamCity
17 5 (0.36%) Trac
18 4 (0.29%) VSS/SourceSafe
General
1 116 (8.43%) Finance
2 44 (3.20%) Telecoms
3 41 (2.98%) Marketing
3 41 (2.98%) Games
4 35 (2.54%) Retail
5 32 (2.33%) Advertising
6 31 (2.25%) Banking
7 29 (2.11%) Back Office
8 13 (0.94%) Publishing
9 12 (0.87%) Legal
10 10 (0.73%) Manufacturing
11 7 (0.51%) Law
12 6 (0.44%) Electronics
13 5 (0.36%) Online Betting
13 5 (0.36%) Financial Institution
14 4 (0.29%) Investment Banking
15 2 (0.15%) Aerospace
15 2 (0.15%) Pharmaceutical
15 2 (0.15%) French Language
15 2 (0.15%) German Language
Job Titles
1 542 (39.39%) Administrator
2 515 (37.43%) Systems Administrator
3 394 (28.63%) Linux Administrator
4 358 (26.02%) Linux Systems Administrator
5 165 (11.99%) Linux Engineer
6 143 (10.39%) Developer
7 131 (9.52%) DevOps Engineer
8 104 (7.56%) Systems Engineer
9 85 (6.18%) Support Engineer
10 77 (5.60%) Infrastructure Engineer
11 75 (5.45%) Senior Systems Administrator
12 73 (5.31%) Analyst
12 73 (5.31%) PHP Developer
13 69 (5.01%) Linux DevOps Engineer
14 57 (4.14%) Senior Linux Administrator
15 48 (3.49%) Senior Linux Systems Administrator
16 40 (2.91%) Web Developer
17 39 (2.83%) UNIX Administrator
18 33 (2.40%) Linux Support
18 33 (2.40%) Support Analyst
Libraries, Frameworks & Software Standards
1 200 (14.53%) LAMP
2 179 (13.01%) Web Services
3 150 (10.90%) HTML
4 125 (9.08%) CSS
5 84 (6.10%) jQuery
6 68 (4.94%) HTML5
7 56 (4.07%) .NET
8 52 (3.78%) XML
9 45 (3.27%) Symfony
10 42 (3.05%) REST
10 42 (3.05%) Memcached
11 40 (2.91%) RabbitMQ
12 37 (2.69%) RESTful
13 30 (2.18%) SOAP
14 28 (2.03%) CSS3
15 27 (1.96%) Ajax
16 26 (1.89%) XHTML
17 25 (1.82%) XSLT
18 24 (1.74%) ASP.NET
19 22 (1.60%) ZeroMQ
Miscellaneous
1 156 (11.34%) Open Source
2 84 (6.10%) Clustering
2 84 (6.10%) Analytical Skills
3 51 (3.71%) Replication
4 48 (3.49%) Computer Science
5 29 (2.11%) Derivative
6 26 (1.89%) Hedge funds
6 26 (1.89%) Mobile App
7 22 (1.60%) Streaming Video
8 20 (1.45%) E-Learning
9 19 (1.38%) Mathematics
10 18 (1.31%) CESG
11 16 (1.16%) VLE
11 16 (1.16%) Digital Media
11 16 (1.16%) iPhone
12 14 (1.02%) Wiki
13 13 (0.94%) PKI
14 12 (0.87%) Management Information System
14 12 (0.87%) User Experience
14 12 (0.87%) Learning Management System
Operating Systems
1 1329 (96.58%) Linux
2 652 (47.38%) Red Hat Enterprise Linux
3 550 (39.97%) Windows
4 372 (27.03%) Ubuntu
5 272 (19.77%) Debian
6 213 (15.48%) UNIX
7 200 (14.53%) Windows Server 2008
8 100 (7.27%) Solaris
9 94 (6.83%) Fedora
10 91 (6.61%) Windows Server 2003
11 79 (5.74%) SUSE
12 68 (4.94%) Windows Server 2012
13 56 (4.07%) Windows 7
14 49 (3.56%) Oracle Linux
15 45 (3.27%) Android
16 43 (3.13%) Mac OS X
17 33 (2.40%) AIX
18 32 (2.33%) HPUX
18 32 (2.33%) Apple iOS
19 14 (1.02%) Amazon Linux
Processes & Methodologies
1 309 (22.46%) DevOps
2 203 (14.75%) Agile Software Development
3 155 (11.26%) Configuration Management
4 139 (10.10%) ITIL
5 133 (9.67%) E-Commerce
6 114 (8.28%) Load Balancing
7 105 (7.63%) Continuous Integration
8 87 (6.32%) Performance Tuning
9 69 (5.01%) Time Management
10 66 (4.80%) Mentoring
11 57 (4.14%) OO
12 51 (3.71%) Scrum
12 51 (3.71%) MVC
13 45 (3.27%) Service Delivery
13 45 (3.27%) Software Engineering
14 41 (2.98%) OOP
15 39 (2.83%) TDD
16 36 (2.62%) Analytics
17 35 (2.54%) Project Management
18 34 (2.47%) Disaster Recovery
Programming Languages
1 488 (35.47%) Python
2 451 (32.78%) Perl
2 451 (32.78%) Bash Shell
3 427 (31.03%) PHP
4 255 (18.53%) Ruby
5 244 (17.73%) SQL
6 236 (17.15%) Java
7 148 (10.76%) Shell Script
8 110 (7.99%) JavaScript
9 61 (4.43%) PowerShell
10 58 (4.22%) PHP5
11 50 (3.63%) C++
12 38 (2.76%) C#
13 31 (2.25%) C
14 26 (1.89%) T-SQL
15 16 (1.16%) sed
16 15 (1.09%) Scala
17 11 (0.80%) AWK
18 8 (0.58%) Objective-C
18 8 (0.58%) Tcl
Qualifications
1 84 (6.10%) Degree
2 75 (5.45%) Cisco Certification
3 55 (4.00%) Security Cleared
4 54 (3.92%) RHCE
5 48 (3.49%) VMware Certified Professional (VCP)
6 46 (3.34%) CCNP
7 38 (2.76%) CCNA
8 37 (2.69%) SC Cleared
9 30 (2.18%) RHCSA
10 25 (1.82%) DV Cleared
11 23 (1.67%) Microsoft Certification
12 20 (1.45%) MCSE
13 12 (0.87%) PMI Certification
14 11 (0.80%) MCSA
15 9 (0.65%) MCP
15 9 (0.65%) MCITP
16 8 (0.58%) PMP
17 4 (0.29%) CEH
17 4 (0.29%) MCTS
17 4 (0.29%) ITIL Certification
Quality Assurance & Compliance
1 43 (3.13%) SLA
2 35 (2.54%) QA
3 19 (1.38%) ISO/IEC 27001
4 17 (1.24%) PCI DSS
5 4 (0.29%) ISO 9001
5 4 (0.29%) ISO 14001
6 1 (0.073%) Sarbanes-Oxley
6 1 (0.073%) WAI
System Software
1 311 (22.60%) VMware Infrastructure
2 157 (11.41%) vSphere
3 142 (10.32%) Active Directory
4 65 (4.72%) Samba
5 63 (4.58%) XenServer
6 53 (3.85%) NFS
7 49 (3.56%) Varnish
8 46 (3.34%) vCloud
9 45 (3.27%) Hyper-V
10 44 (3.20%) VMware ESXi
11 42 (3.05%) Xen
12 41 (2.98%) KVM
13 38 (2.76%) Docker
14 29 (2.11%) Postfix
15 28 (2.03%) VMware ESX
16 21 (1.53%) LXC
17 19 (1.38%) Veritas Cluster Server
18 14 (1.02%) Terminal Services
19 13 (0.94%) Squid
20 12 (0.87%) Firmware
Systems Management
1 564 (40.99%) Puppet
2 270 (19.62%) Opscode Chef
3 251 (18.24%) Nagios
4 112 (8.14%) ZABBIX
5 63 (4.58%) Vagrant
6 62 (4.51%) Cacti
7 59 (4.29%) Ansible
8 49 (3.56%) Salt
9 36 (2.62%) WSUS
10 32 (2.33%) logstash
11 31 (2.25%) ITRS Geneos
11 31 (2.25%) Icinga
12 25 (1.82%) SELinux
13 22 (1.60%) Zenoss
14 21 (1.53%) CFEngine
15 20 (1.45%) HAProxy
16 19 (1.38%) Veritas Storage Foundation
16 19 (1.38%) cPanel
16 19 (1.38%) Graphite
17 18 (1.31%) Red Hat Satellite
Vendors
1 956 (69.48%) Red Hat
2 529 (38.44%) VMware
3 203 (14.75%) Microsoft
4 182 (13.23%) Cisco
5 148 (10.76%) Oracle
6 114 (8.28%) HP
7 98 (7.12%) Citrix
8 74 (5.38%) Juniper
9 69 (5.01%) Zend
10 56 (4.07%) NetApp
11 54 (3.92%) IBM
12 52 (3.78%) Rackspace
13 47 (3.42%) EMC
14 35 (2.54%) Dell
15 34 (2.47%) Percona
16 30 (2.18%) Reuters
16 30 (2.18%) F5
17 28 (2.03%) Symantec
18 27 (1.96%) Veritas
18 27 (1.96%) Perforce
City, London
Careerwise UK Limited
Salary: £35000 per annum + benefits
Posted: 2 hours ago
City, London
Harrington Starr
Salary: £50000 - £70000 per annum
Posted: 2 hours ago
City, London
Harrington Starr
Salary: £55000 - £70000 per annum
Posted: 2 hours ago
City, London
Ashdown IT
Salary: £35000 - £50000 per annum + Benefits
Posted: 2 hours ago
Leeds, West Yorkshire
HAYS INFORMATION TECHNOLOGY
Salary: £28000.00 - £35000.00 per annum + Benefits
Posted: 3 hours ago
Lancashire
Sanderson
Salary: £35000.00 - £40000.00 per annum + Excellent Benefits
Posted: 3 hours ago
Manchester, Lancashire
Adria Solutions Ltd
Salary: £25000 - £28000 per annum + Benefits
Posted: 3 hours ago
Reading, Berkshire
Polar Recruitment
Salary: £0000 - £9999 per annum
Posted: 5 hours ago
Slough, Berkshire
Digitech Resourcing Ltd
Salary: Up to £35,000 per annum + Benefits
Posted: 10 hours ago
Central London / West End
Digitech Resourcing Ltd
Salary: £50,000 per annum + benefits
Posted: 10 hours ago
City, London
Client Server
Salary: £65k to £75k + benefits
Posted: 10 hours ago
Leeds, West Yorkshire
Greywood Associates Limited
Salary: £30000 per annum + Benefits
Posted: Yesterday
Leeds, West Yorkshire
Greywood Associates Limited
Salary: £35000 per annum + Benefits
Posted: Yesterday
Uxbridge, Middlesex
Evolution Recruitment Solutions
Salary: 20000 - 23000 plus benefits
Posted: Yesterday
Central London / West End
Evolution Recruitment Solutions
Salary: 37,000 - 45,000
Posted: Yesterday
Hampshire
Tank Recruitment
Salary: £40000 - £55000 per annum
Posted: Yesterday
Guildford, Surrey
Opus Recruitment Solutions Ltd
Salary: £50000 - £60000 per annum
Posted: Yesterday
City, London
Careerwise UK Limited
Salary: £55000 per annum + excelllent benefits
Posted: Yesterday
City, London
Senitor Associates
Salary: £30000 - £50000 per annum + great company
Posted: 2 days ago
Leeds, West Yorkshire
TEKsystems
Salary: £45000 - £58000 per annum + Package
Posted: 2 days ago