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 19 September 2014 with a comparison to the same period in the previous 2 years.

Location
3 months to
19 Sep 2014
Same period 2013 Same period 2012
CentOS Linux
Rank 371 380 410
Rank change year-on-year
+9 +30
Permanent jobs citing CentOS 734 627 612
As % of all permanent IT jobs located in England 0.69% 0.63% 0.56%
As % of the Operating Systems category 2.55% 2.28% 2.00%
Number of salaries quoted 650 572 554
Average salary £47,500 £45,000 £42,500
Average salary % change year-on-year
+5.55% +5.88%
90% offered a salary of more than £32,500 £32,500 £30,000
10% offered a salary of more than £62,500 £60,000 £55,350
UK excluding London average salary £41,500 £40,000 £37,500
% change year-on-year
+3.75% +6.66%
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
28837 27545 30608
As % of all permanent IT jobs located in England 26.96% 27.60% 28.00%
Number of salaries quoted 24080 23726 26488
Average salary £40,000 £41,500 £40,000
Average salary % change year-on-year
-3.61% +3.75%
90% offered a salary of more than £25,000 £25,000 £25,000
10% offered a salary of more than £65,000 £60,000 £62,500
UK excluding London average salary £36,500 £37,500 £37,500
% change year-on-year
-2.66% -

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 19 September 2014.

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 19 September 2014. 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 0 409 £50,000 - 43
South East +40 168 £42,500 - 15
East of England -19 44 £42,000 +5.00% 1
Yorkshire -38 38 £31,500 -21.25% 8
South West -2 29 £45,000 +78.21% 10
West Midlands +1 21 £32,500 - 6
North West -15 18 £31,250 -11.97% 4
East Midlands -2 8 £32,500 -7.14% 1
North East -19 1 - - 1
CentOS
UK

CentOS
Top 30 Related IT Skills in England

For the 6 months to 19 September 2014, 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 1334 (94.88%) Linux
2 944 (67.14%) Red Hat
3 586 (41.68%) MySQL
4 580 (41.25%) Puppet
5 578 (41.11%) Red Hat Enterprise Linux
6 515 (36.63%) Perl
7 507 (36.06%) Apache
8 500 (35.56%) Python
9 461 (32.79%) Bash Shell
10 447 (31.79%) VMware
11 445 (31.65%) Windows
12 429 (30.51%) Ubuntu
13 422 (30.01%) PHP
14 366 (26.03%) DevOps
15 351 (24.96%) Opscode Chef
16 310 (22.05%) Java
17 303 (21.55%) SQL
18 301 (21.41%) VMware Infrastructure
19 296 (21.05%) Ruby
20 295 (20.98%) Nagios
21 290 (20.63%) Git (software)
22 288 (20.48%) Agile Software Development
23 274 (19.49%) DNS
24 271 (19.27%) TCP/IP
25 256 (18.21%) Debian
26 251 (17.85%) UNIX
27 241 (17.14%) Tomcat
28 193 (13.73%) Amazon AWS
29 192 (13.66%) LAMP
30 183 (13.02%) Jenkins

CentOS
Top Related IT Skills in England by Category

For the 6 months to 19 September 2014, 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
1 507 (36.06%) Apache
2 241 (17.14%) Tomcat
3 167 (11.88%) nginx
4 94 (6.69%) IIS
5 58 (4.13%) OpenStack
6 54 (3.84%) Elasticsearch
7 45 (3.20%) Drupal
8 42 (2.99%) MS Exchange
9 41 (2.92%) WebLogic
10 37 (2.63%) WordPress
11 28 (1.99%) Confluence
11 28 (1.99%) CMS
12 24 (1.71%) Exchange Server 2010
13 23 (1.64%) Apache Solr
14 22 (1.56%) K2 blackpearl
14 22 (1.56%) Node.js
15 19 (1.35%) Moodle
15 19 (1.35%) Exchange Server 2013
16 15 (1.07%) Lync
17 14 (1.00%) WebSphere
Applications
1 64 (4.55%) MS Excel
2 9 (0.64%) Photoshop
3 8 (0.57%) Adobe Illustrator
4 7 (0.50%) Mingle
5 4 (0.28%) MS Visio
6 1 (0.071%) Maya
6 1 (0.071%) 3ds Max
6 1 (0.071%) Doxygen
6 1 (0.071%) MS Office
Business Applications
1 20 (1.42%) Magento
2 15 (1.07%) Oracle EBS
3 12 (0.85%) Shopify
4 9 (0.64%) SAP Oil and Gas
5 2 (0.14%) Oracle BPM
5 2 (0.14%) Dynamics CRM
5 2 (0.14%) RMDS
6 1 (0.071%) Google Analytics
6 1 (0.071%) Dynamics NAV
6 1 (0.071%) Summit
Cloud Services
1 193 (13.73%) Amazon AWS
2 69 (4.91%) SaaS
3 42 (2.99%) Amazon EC2
4 28 (1.99%) Amazon S3
5 24 (1.71%) Amazon ELB
6 21 (1.49%) Cloud Computing
7 14 (1.00%) Rackspace Cloud
8 9 (0.64%) Microsoft Azure
8 9 (0.64%) Route 53
8 9 (0.64%) GitHub
9 4 (0.28%) IaaS
9 4 (0.28%) Amazon SQS
10 3 (0.21%) Office 365
11 2 (0.14%) PaaS
11 2 (0.14%) Heroku
11 2 (0.14%) Amazon EMR
12 1 (0.071%) ElastiCache
12 1 (0.071%) AWS Data Pipeline
12 1 (0.071%) Amazon ElastiCache
12 1 (0.071%) Google Apps
Communications & Networking
1 274 (19.49%) DNS
2 271 (19.27%) TCP/IP
3 174 (12.38%) SAN
4 171 (12.16%) HTTP
5 168 (11.95%) Firewall
6 141 (10.03%) SSL
7 118 (8.39%) VPN
8 114 (8.11%) DHCP
9 106 (7.54%) LDAP
10 96 (6.83%) SSH
11 89 (6.33%) Internet
12 84 (5.97%) LAN
13 83 (5.90%) NAS
14 80 (5.69%) WAN
15 69 (4.91%) SMTP
16 68 (4.84%) IPsec
17 54 (3.84%) SNMP
18 51 (3.63%) Cisco ASA
19 49 (3.49%) BGP
20 46 (3.27%) Ethernet
Database & Business Intelligence
1 586 (41.68%) MySQL
2 140 (9.96%) MongoDB
3 127 (9.03%) PostgreSQL
4 125 (8.89%) SQL Server
5 119 (8.46%) NoSQL
6 72 (5.12%) Redis
7 70 (4.98%) Big Data
7 70 (4.98%) Hadoop
8 58 (4.13%) Apache Cassandra
9 50 (3.56%) Relational Database
10 39 (2.77%) Oracle Database
11 32 (2.28%) DB2
12 29 (2.06%) MariaDB
13 28 (1.99%) SQL Server 2008
14 27 (1.92%) CouchDB
14 27 (1.92%) SQL Server 2005
15 24 (1.71%) SQL Server Integration Services
15 24 (1.71%) RDBMS
16 22 (1.56%) Amazon DynamoDB
17 20 (1.42%) Amazon RDS
Development Applications
1 290 (20.63%) Git (software)
2 183 (13.02%) Jenkins
3 131 (9.32%) Subversion
4 53 (3.77%) JIRA
5 43 (3.06%) Hudson
6 40 (2.84%) Maven
7 19 (1.35%) Atlassian Bamboo
8 14 (1.00%) Juju
9 13 (0.92%) Mercurial
10 11 (0.78%) TeamCity
10 11 (0.78%) Visual Studio
11 9 (0.64%) Eclipse
11 9 (0.64%) Selenium
12 8 (0.57%) Metasploit
12 8 (0.57%) Dreamweaver
12 8 (0.57%) JUnit
12 8 (0.57%) FishEye
13 7 (0.50%) MSTest
13 7 (0.50%) Cucumber
13 7 (0.50%) NUnit
General
1 159 (11.31%) Finance
2 82 (5.83%) Games
3 66 (4.69%) Telecoms
4 49 (3.49%) Marketing
5 27 (1.92%) Online Betting
6 26 (1.85%) Banking
6 26 (1.85%) Retail
7 22 (1.56%) Advertising
8 20 (1.42%) Back Office
9 17 (1.21%) Manufacturing
10 16 (1.14%) Publishing
11 13 (0.92%) Legal
12 10 (0.71%) Pharmaceutical
13 9 (0.64%) Electronics
14 7 (0.50%) Financial Institution
15 4 (0.28%) Law
15 4 (0.28%) Investment Banking
16 2 (0.14%) Automotive
Job Titles
1 464 (33.00%) Administrator
2 410 (29.16%) Systems Administrator
3 379 (26.96%) Linux Administrator
4 304 (21.62%) Linux Systems Administrator
5 213 (15.15%) Linux Engineer
6 161 (11.45%) Developer
7 142 (10.10%) DevOps Engineer
8 108 (7.68%) Senior Systems Administrator
9 99 (7.04%) Support Engineer
10 93 (6.61%) Senior Linux Administrator
11 91 (6.47%) Linux DevOps Engineer
12 86 (6.12%) Systems Engineer
13 83 (5.90%) Senior Linux Systems Administrator
14 67 (4.77%) PHP Developer
15 62 (4.41%) Infrastructure Engineer
16 58 (4.13%) Analyst
17 46 (3.27%) Senior Linux Engineer
18 40 (2.84%) Senior DevOps Engineer
19 39 (2.77%) UNIX Administrator
20 34 (2.42%) Junior
Libraries, Frameworks & Software Standards
1 192 (13.66%) LAMP
2 180 (12.80%) Web Services
3 138 (9.82%) HTML
3 138 (9.82%) CSS
4 115 (8.18%) jQuery
5 71 (5.05%) XML
6 57 (4.05%) RESTful
7 53 (3.77%) .NET
8 52 (3.70%) HTML5
9 51 (3.63%) SOAP
10 41 (2.92%) RabbitMQ
11 36 (2.56%) MSMQ
12 34 (2.42%) ASP.NET
13 33 (2.35%) ASP.NET MVC
14 31 (2.20%) Memcached
15 30 (2.13%) REST
16 29 (2.06%) Django
17 27 (1.92%) ActiveMQ
18 26 (1.85%) ASP.NET MVC 4
18 26 (1.85%) ASP.NET Web API
Miscellaneous
1 158 (11.24%) Open Source
2 82 (5.83%) Clustering
3 62 (4.41%) Replication
4 56 (3.98%) Computer Science
5 49 (3.49%) Analytical Skills
6 37 (2.63%) Online Games
7 33 (2.35%) Social Media
8 22 (1.56%) Hedge funds
9 20 (1.42%) E-Learning
10 19 (1.35%) Management Information System
11 18 (1.28%) Mathematics
12 17 (1.21%) PKI
13 15 (1.07%) VLE
13 15 (1.07%) Learning Management System
14 14 (1.00%) User Experience
15 13 (0.92%) Digital Media
16 11 (0.78%) Data Extraction
17 10 (0.71%) Mobile App
18 9 (0.64%) DTV
18 9 (0.64%) Derivative
Operating Systems
1 1334 (94.88%) Linux
2 578 (41.11%) Red Hat Enterprise Linux
3 445 (31.65%) Windows
4 429 (30.51%) Ubuntu
5 256 (18.21%) Debian
6 251 (17.85%) UNIX
7 141 (10.03%) Windows Server 2008
8 110 (7.82%) Fedora
9 82 (5.83%) Solaris
10 77 (5.48%) Windows Server 2012
11 75 (5.33%) SUSE
12 73 (5.19%) Windows Server 2003
13 27 (1.92%) HPUX
13 27 (1.92%) Windows 7
14 23 (1.64%) Apple iOS
14 23 (1.64%) Android
15 20 (1.42%) AIX
16 18 (1.28%) Mac OS X
17 15 (1.07%) Oracle Linux
18 13 (0.92%) Windows 2000 Server
Processes & Methodologies
1 366 (26.03%) DevOps
2 288 (20.48%) Agile Software Development
3 165 (11.74%) ITIL
4 155 (11.02%) Load Balancing
5 147 (10.46%) E-Commerce
6 119 (8.46%) Configuration Management
7 106 (7.54%) Continuous Integration
8 82 (5.83%) Scrum
9 76 (5.41%) Service Delivery
9 76 (5.41%) Mentoring
10 71 (5.05%) MVC
11 52 (3.70%) Performance Tuning
12 48 (3.41%) TDD
13 47 (3.34%) Web Development
14 45 (3.20%) Software Engineering
14 45 (3.20%) SOA
15 42 (2.99%) OOP
16 41 (2.92%) Service Management
17 38 (2.70%) Project Management
18 34 (2.42%) Analytics
Programming Languages
1 515 (36.63%) Perl
2 500 (35.56%) Python
3 461 (32.79%) Bash Shell
4 422 (30.01%) PHP
5 310 (22.05%) Java
6 303 (21.55%) SQL
7 296 (21.05%) Ruby
8 109 (7.75%) Shell Script
9 101 (7.18%) JavaScript
10 78 (5.55%) PHP5
11 62 (4.41%) PowerShell
12 46 (3.27%) sed
13 44 (3.13%) AWK
14 40 (2.84%) T-SQL
15 38 (2.70%) C#
16 29 (2.06%) C
17 26 (1.85%) Scala
18 16 (1.14%) C++
19 14 (1.00%) Bourne shell
20 12 (0.85%) Korn
Qualifications
1 106 (7.54%) Degree
2 86 (6.12%) Cisco Certification
3 49 (3.49%) VMware Certified Professional (VCP)
4 47 (3.34%) CCNP
5 45 (3.20%) CCNA
6 40 (2.84%) RHCE
6 40 (2.84%) Security Cleared
7 35 (2.49%) Microsoft Certification
8 31 (2.20%) MCSE
9 20 (1.42%) SC Cleared
10 15 (1.07%) CEH
10 15 (1.07%) OSCP
10 15 (1.07%) OSCE
10 15 (1.07%) MCP
11 13 (0.92%) DV Cleared
12 12 (0.85%) MCITP
13 10 (0.71%) MCTS
13 10 (0.71%) OCP
13 10 (0.71%) Oracle Certification
14 9 (0.64%) ITIL Certification
Quality Assurance & Compliance
1 57 (4.05%) SLA
2 39 (2.77%) ISO/IEC 27001
3 36 (2.56%) QA
4 34 (2.42%) PCI DSS
5 18 (1.28%) ISO 9001
6 16 (1.14%) ISO 14001
7 8 (0.57%) HIPAA
8 3 (0.21%) Sarbanes-Oxley
9 1 (0.071%) GPG13
System Software
1 301 (21.41%) VMware Infrastructure
2 123 (8.75%) vSphere
3 101 (7.18%) KVM
4 87 (6.19%) Active Directory
5 69 (4.91%) Xen
6 55 (3.91%) vCloud
6 55 (3.91%) Varnish
7 53 (3.77%) NFS
8 41 (2.92%) Samba
8 41 (2.92%) VMware ESX
9 40 (2.84%) VMware ESXi
10 39 (2.77%) Hyper-V
11 26 (1.85%) Squid
11 26 (1.85%) XenServer
12 17 (1.21%) Veritas Cluster Server
12 17 (1.21%) Postfix
13 15 (1.07%) Shibboleth
14 12 (0.85%) Docker
15 10 (0.71%) Oracle RMAN
15 10 (0.71%) Snort
Systems Management
1 580 (41.25%) Puppet
2 351 (24.96%) Opscode Chef
3 295 (20.98%) Nagios
4 118 (8.39%) ZABBIX
5 89 (6.33%) Cacti
6 83 (5.90%) Salt
7 65 (4.62%) Ansible
8 62 (4.41%) CFEngine
9 47 (3.34%) Vagrant
10 35 (2.49%) SCOM
11 34 (2.42%) Zenoss
12 32 (2.28%) YUM
12 32 (2.28%) Opsview
13 31 (2.20%) logstash
14 27 (1.92%) Munin
15 24 (1.71%) SCCM
16 21 (1.49%) ITRS Geneos
17 19 (1.35%) HAProxy
18 17 (1.21%) Veritas Storage Foundation
19 15 (1.07%) Red Hat Spacewalk
Vendors
1 944 (67.14%) Red Hat
2 447 (31.79%) VMware
3 159 (11.31%) Oracle
4 155 (11.02%) Cisco
5 144 (10.24%) Microsoft
6 109 (7.75%) HP
7 93 (6.61%) JBoss
8 73 (5.19%) Citrix
9 68 (4.84%) Zend
10 66 (4.69%) Rackspace
11 55 (3.91%) F5
12 51 (3.63%) NetApp
13 49 (3.49%) Dell
14 47 (3.34%) EMC
14 47 (3.34%) IBM
15 37 (2.63%) Splunk
16 34 (2.42%) Juniper
17 32 (2.28%) Symantec
17 32 (2.28%) Perforce
18 29 (2.06%) SAP
West London
ARC IT Recruitment Ltd
Salary: £70000 Per Annum
Posted: 12 hours ago
Leeds, West Yorkshire
Circle Recruitment
Salary: £25000 - £35000 per annum + Benefits
Posted: 12 hours ago
Central London / West End
Reed Business Information Ltd
Salary: From £55,000 to £64,000 per annum + 29 days + Share Ops + Pension + mo
Posted: 13 hours ago
Bradford, West Yorkshire
Searchability.co.uk
Salary: £20000 - £30000 per annum
Posted: 13 hours ago
Central London / West End
Westbourne Partners
Salary: From £40,000 to £40,000 per annum
Posted: 14 hours ago
Harrogate, North Yorkshire
Senitor Associates
Salary: £40000 per annum
Posted: 14 hours ago
City, London
Greywood Associates Limited
Salary: £45000 - £50000 per annum + bens
Posted: 14 hours ago
Gloucester, Gloucestershire
People Source Consulting
Salary: £30000 - £40000 per annum
Posted: 14 hours ago
London
Austin Fraser
Salary: £30000.00 - £40000.00 per annum + Bens
Posted: 15 hours ago
Kingston Upon Thames, Surrey
Austin Fraser
Salary: £35000.00 - £40000.00 per annum + Bens
Posted: 15 hours ago
London
Austin Fraser
Salary: £60000.00 - £75000.00 per annum + Shares
Posted: 15 hours ago
City, London
Oscar Associates (UK) Ltd
Salary: £40000 - £45000 per annum + Benefits
Posted: 15 hours ago
Maidenhead, Berkshire
Austin Fraser
Salary: £43000.00 - £53000.00 per annum + Bens
Posted: 15 hours ago
Guildford, Surrey
set2recruit
Salary: From £40,000 to £65,000 per annum
Posted: 20 hours ago
London
Talent Crew
Salary: £35000 - £38000 per annum + Excellent benefits
Posted: 21 hours ago
Bristol, Avon
ISL
Salary: £20000 - £25000 per annum
Posted: 22 hours ago
Bristol, Avon
ISL
Salary: £30000 - £35000 per annum
Posted: 22 hours ago
Welwyn Garden City, Hertfordshire
4it Recruitment Ltd
Salary: From £30,000 to £40,000 per annum
Posted: Yesterday
London
Opus Resourcing Ltd
Salary: £45000 - £55000 per annum + Benefits
Posted: Yesterday
South East London
Opus Resourcing Ltd
Salary: £40000 - £50000 per annum + Bens + On Call
Posted: Yesterday