The table below looks at the statistics for CentOS skills in IT jobs advertised across the UK. 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 372 390 410
Rank change year-on-year
+18 +20
Permanent jobs citing CentOS 772 660 636
As % of all permanent IT jobs located in the UK 0.67% 0.62% 0.55%
As % of the Operating Systems category 2.51% 2.26% 1.96%
Number of salaries quoted 677 602 570
Average salary £45,000 £45,000 £42,500
Average salary % change year-on-year
- +5.88%
90% offered a salary of more than £32,400 £32,500 £30,000
10% offered a salary of more than £62,500 £62,500 £55,000
UK excluding London average salary £41,500 £40,000 £37,500
% change year-on-year
+3.75% +6.66%

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

Operating Systems Category
UK
Permanent IT job ads with a match in the
Operating Systems category
30719 29145 32386
As % of all permanent IT jobs located in the UK 26.83% 27.31% 27.95%
Number of salaries quoted 25403 24923 27688
Average salary £40,000 £41,000 £40,000
Average salary % change year-on-year
-2.43% +2.50%
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

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

CentOS Jobs Demand Trend in the UK

CentOS
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing CentOS within the UK.

CentOS Salary Trend in the UK

CentOS
Salary Histogram

This chart provides a salary histogram for IT jobs citing CentOS over the 3 months to 19 September 2014 within the UK.

CentOS Salary Histogram in the UK

CentOS
Top 30 Job Locations

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing CentOS within the UK 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
England +9 734 £47,500 +5.55% 89
London 0 409 £50,000 - 42
South East +40 168 £42,500 - 15
City of London -1 64 £45,000 -21.73% 7
Hampshire +8 53 £42,500 +30.76% 4
Surrey +16 50 £42,500 +3.03% 4
Berkshire +24 47 £42,750 -5.00% 4
East of England -19 44 £42,000 +5.00% 1
Yorkshire -38 38 £31,500 -21.25% 8
Leeds -24 35 £33,250 -16.87% 4
West Yorkshire -31 35 £33,250 -16.87% 5
South West -2 29 £45,000 +78.21% 10
Reading +16 26 £22,000 -58.09% 1
Basingstoke +21 23 £40,500 -14.73% 1
Cambridge +3 21 £42,000 +20.00%
West Midlands +1 21 £32,500 - 7
Cambridgeshire -5 21 £42,000 +5.00%
Scotland -7 18 £42,500 +3.67% 3
North West -15 18 £31,250 -11.97% 4
Bristol +10 17 £37,500 +32.74% 7
South Wales +14 15 £34,000 +4.61% 1
Wales +5 15 £34,000 +4.61% 4
Hertfordshire +2 15 £60,000 +88.97% 1
Edinburgh - 15 £42,500 -
Guildford +22 14 £37,500 -21.87% 4
Coventry 0 13 £32,500 -
Maidenhead -10 12 £57,500 +21.05% 1
Buckinghamshire +15 11 £40,000 +6.66%
Cardiff +3 10 £35,000 +37.25%
Wiltshire - 10 £47,500 - 2

CentOS
Top 30 Related IT Skills

For the 6 months to 19 September 2014, IT jobs within the UK 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 1409 (94.95%) Linux
2 976 (65.77%) Red Hat
3 616 (41.51%) MySQL
4 612 (41.24%) Red Hat Enterprise Linux
5 594 (40.03%) Puppet
6 543 (36.59%) Perl
7 534 (35.98%) Python
8 530 (35.71%) Apache
9 480 (32.35%) Windows
10 478 (32.21%) VMware
10 478 (32.21%) Bash Shell
11 448 (30.19%) Ubuntu
12 433 (29.18%) PHP
13 378 (25.47%) DevOps
14 359 (24.19%) Opscode Chef
15 323 (21.77%) VMware Infrastructure
16 318 (21.43%) Java
17 311 (20.96%) SQL
18 310 (20.89%) Nagios
19 309 (20.82%) Ruby
20 299 (20.15%) Agile Software Development
21 294 (19.81%) TCP/IP
22 293 (19.74%) Git (software)
23 282 (19.00%) DNS
24 280 (18.87%) UNIX
25 276 (18.60%) Debian
26 249 (16.78%) Tomcat
27 197 (13.27%) Amazon AWS
28 195 (13.14%) LAMP
29 189 (12.74%) Jenkins

CentOS
Top Related IT Skills by Category

For the 6 months to 19 September 2014, IT jobs within the UK 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
1 530 (35.71%) Apache
2 249 (16.78%) Tomcat
3 171 (11.52%) nginx
4 98 (6.60%) IIS
5 61 (4.11%) OpenStack
6 54 (3.64%) Elasticsearch
7 46 (3.10%) MS Exchange
7 46 (3.10%) Drupal
8 41 (2.76%) WebLogic
9 40 (2.70%) WordPress
10 33 (2.22%) Confluence
11 30 (2.02%) CMS
12 27 (1.82%) Exchange Server 2010
13 23 (1.55%) Node.js
13 23 (1.55%) Apache Solr
14 22 (1.48%) K2 blackpearl
15 19 (1.28%) Moodle
15 19 (1.28%) Exchange Server 2013
16 18 (1.21%) WebSphere
17 16 (1.08%) Lync
Applications
1 66 (4.45%) MS Excel
2 9 (0.61%) Photoshop
3 8 (0.54%) Adobe Illustrator
4 7 (0.47%) Mingle
5 4 (0.27%) MS Visio
6 1 (0.067%) Maya
6 1 (0.067%) 3ds Max
6 1 (0.067%) Doxygen
6 1 (0.067%) MS Office
Business Applications
1 20 (1.35%) Magento
2 15 (1.01%) Oracle EBS
3 12 (0.81%) Shopify
4 11 (0.74%) SAP Oil and Gas
5 2 (0.13%) Oracle BPM
5 2 (0.13%) Dynamics CRM
5 2 (0.13%) RMDS
6 1 (0.067%) Google Analytics
6 1 (0.067%) Dynamics NAV
6 1 (0.067%) Summit
Cloud Services
1 197 (13.27%) Amazon AWS
2 86 (5.80%) SaaS
3 55 (3.71%) Amazon EC2
4 29 (1.95%) Amazon S3
5 24 (1.62%) Amazon ELB
6 21 (1.42%) Cloud Computing
7 15 (1.01%) Rackspace Cloud
8 12 (0.81%) Microsoft Azure
9 9 (0.61%) Route 53
9 9 (0.61%) GitHub
10 5 (0.34%) Amazon SQS
11 4 (0.27%) IaaS
12 3 (0.20%) Heroku
12 3 (0.20%) Office 365
13 2 (0.13%) PaaS
13 2 (0.13%) Amazon EMR
14 1 (0.067%) ElastiCache
14 1 (0.067%) AWS Data Pipeline
14 1 (0.067%) Amazon ElastiCache
14 1 (0.067%) Google Apps
Communications & Networking
1 294 (19.81%) TCP/IP
2 282 (19.00%) DNS
3 188 (12.67%) HTTP
4 187 (12.60%) Firewall
5 182 (12.26%) SAN
6 145 (9.77%) SSL
7 126 (8.49%) VPN
8 118 (7.95%) DHCP
9 110 (7.41%) LDAP
10 101 (6.81%) SSH
11 90 (6.06%) Internet
12 87 (5.86%) NAS
13 86 (5.80%) LAN
14 82 (5.53%) WAN
15 75 (5.05%) IPsec
16 70 (4.72%) SMTP
17 54 (3.64%) SNMP
18 51 (3.44%) Cisco ASA
19 49 (3.30%) BGP
20 47 (3.17%) Ethernet
Database & Business Intelligence
1 616 (41.51%) MySQL
2 142 (9.57%) MongoDB
3 138 (9.30%) SQL Server
4 127 (8.56%) PostgreSQL
5 120 (8.09%) NoSQL
6 74 (4.99%) Redis
7 72 (4.85%) Big Data
8 71 (4.78%) Hadoop
9 59 (3.98%) Apache Cassandra
9 59 (3.98%) Relational Database
10 41 (2.76%) Oracle Database
11 32 (2.16%) DB2
12 30 (2.02%) SQL Server 2008
13 29 (1.95%) SQL Server 2005
13 29 (1.95%) MariaDB
14 27 (1.82%) CouchDB
15 24 (1.62%) SQL Server Integration Services
15 24 (1.62%) RDBMS
16 23 (1.55%) Amazon DynamoDB
17 21 (1.42%) SQL Server 2012
Development Applications
1 293 (19.74%) Git (software)
2 189 (12.74%) Jenkins
3 139 (9.37%) Subversion
4 58 (3.91%) JIRA
5 43 (2.90%) Hudson
6 40 (2.70%) Maven
7 19 (1.28%) Atlassian Bamboo
8 14 (0.94%) Juju
9 13 (0.88%) Mercurial
10 12 (0.81%) TeamCity
10 12 (0.81%) JUnit
10 12 (0.81%) Visual Studio
11 9 (0.61%) Eclipse
11 9 (0.61%) Selenium
12 8 (0.54%) Metasploit
12 8 (0.54%) Dreamweaver
12 8 (0.54%) FishEye
13 7 (0.47%) MSTest
13 7 (0.47%) Cucumber
13 7 (0.47%) NUnit
General
1 178 (11.99%) Finance
2 84 (5.66%) Games
3 73 (4.92%) Telecoms
4 51 (3.44%) Marketing
5 28 (1.89%) Back Office
6 27 (1.82%) Online Betting
7 26 (1.75%) Banking
7 26 (1.75%) Retail
8 22 (1.48%) Advertising
9 19 (1.28%) Manufacturing
10 16 (1.08%) Publishing
11 15 (1.01%) Welsh Language
12 13 (0.88%) Legal
13 11 (0.74%) Electronics
14 10 (0.67%) Pharmaceutical
15 7 (0.47%) Financial Institution
16 4 (0.27%) Law
16 4 (0.27%) Investment Banking
17 2 (0.13%) Automotive
18 1 (0.067%) Aerospace
Job Titles
1 474 (31.94%) Administrator
2 419 (28.23%) Systems Administrator
3 388 (26.15%) Linux Administrator
4 312 (21.02%) Linux Systems Administrator
5 216 (14.56%) Linux Engineer
6 175 (11.79%) Developer
7 144 (9.70%) DevOps Engineer
8 110 (7.41%) Senior Systems Administrator
9 103 (6.94%) Support Engineer
10 94 (6.33%) Senior Linux Administrator
11 91 (6.13%) Linux DevOps Engineer
12 90 (6.06%) Systems Engineer
13 84 (5.66%) Senior Linux Systems Administrator
14 82 (5.53%) Infrastructure Engineer
15 72 (4.85%) PHP Developer
16 60 (4.04%) Analyst
17 46 (3.10%) Senior Linux Engineer
18 45 (3.03%) UNIX Administrator
19 40 (2.70%) Senior DevOps Engineer
20 34 (2.29%) Junior
Libraries, Frameworks & Software Standards
1 195 (13.14%) LAMP
2 187 (12.60%) Web Services
3 147 (9.91%) HTML
3 147 (9.91%) CSS
4 122 (8.22%) jQuery
5 75 (5.05%) XML
6 58 (3.91%) RESTful
7 55 (3.71%) .NET
8 54 (3.64%) HTML5
9 51 (3.44%) SOAP
10 41 (2.76%) RabbitMQ
11 36 (2.43%) MSMQ
11 36 (2.43%) ASP.NET
12 34 (2.29%) ASP.NET MVC
13 31 (2.09%) REST
13 31 (2.09%) Memcached
13 31 (2.09%) ActiveMQ
14 29 (1.95%) Django
15 27 (1.82%) ASP.NET MVC 4
15 27 (1.82%) Spring
Miscellaneous
1 159 (10.71%) Open Source
2 82 (5.53%) Clustering
3 67 (4.51%) Computer Science
4 64 (4.31%) Replication
5 52 (3.50%) Analytical Skills
6 37 (2.49%) Online Games
7 33 (2.22%) Social Media
8 22 (1.48%) Hedge funds
9 20 (1.35%) E-Learning
9 20 (1.35%) Management Information System
10 18 (1.21%) Mathematics
11 17 (1.15%) PKI
12 15 (1.01%) VLE
12 15 (1.01%) DTV
12 15 (1.01%) Learning Management System
13 14 (0.94%) User Experience
14 13 (0.88%) Digital Media
15 11 (0.74%) Mobile App
15 11 (0.74%) Data Extraction
16 9 (0.61%) Derivative
Operating Systems
1 1409 (94.95%) Linux
2 612 (41.24%) Red Hat Enterprise Linux
3 480 (32.35%) Windows
4 448 (30.19%) Ubuntu
5 280 (18.87%) UNIX
6 276 (18.60%) Debian
7 157 (10.58%) Windows Server 2008
8 121 (8.15%) Fedora
9 87 (5.86%) Windows Server 2012
10 83 (5.59%) Solaris
11 81 (5.46%) Windows Server 2003
12 77 (5.19%) SUSE
13 29 (1.95%) Windows 7
14 27 (1.82%) HPUX
15 24 (1.62%) AIX
16 23 (1.55%) Apple iOS
16 23 (1.55%) Android
17 18 (1.21%) Mac OS X
18 15 (1.01%) Oracle Linux
18 15 (1.01%) Windows 2000 Server
Processes & Methodologies
1 378 (25.47%) DevOps
2 299 (20.15%) Agile Software Development
3 173 (11.66%) ITIL
4 158 (10.65%) Load Balancing
5 149 (10.04%) E-Commerce
6 130 (8.76%) Configuration Management
7 112 (7.55%) Continuous Integration
8 91 (6.13%) Scrum
9 78 (5.26%) Mentoring
10 76 (5.12%) Service Delivery
11 72 (4.85%) MVC
12 56 (3.77%) Software Engineering
13 54 (3.64%) TDD
14 53 (3.57%) Performance Tuning
15 47 (3.17%) Web Development
16 45 (3.03%) SOA
17 42 (2.83%) OOP
18 41 (2.76%) Service Management
19 40 (2.70%) Project Management
20 37 (2.49%) OO
Programming Languages
1 543 (36.59%) Perl
2 534 (35.98%) Python
3 478 (32.21%) Bash Shell
4 433 (29.18%) PHP
5 318 (21.43%) Java
6 311 (20.96%) SQL
7 309 (20.82%) Ruby
8 115 (7.75%) Shell Script
9 113 (7.61%) JavaScript
10 78 (5.26%) PHP5
11 67 (4.51%) PowerShell
12 46 (3.10%) sed
13 44 (2.96%) AWK
14 42 (2.83%) C#
14 42 (2.83%) T-SQL
15 41 (2.76%) C
16 27 (1.82%) C++
17 26 (1.75%) Scala
18 17 (1.15%) Korn
19 14 (0.94%) Bourne shell
Qualifications
1 117 (7.88%) Degree
2 87 (5.86%) Cisco Certification
3 53 (3.57%) VMware Certified Professional (VCP)
4 47 (3.17%) CCNP
5 45 (3.03%) CCNA
6 40 (2.70%) RHCE
6 40 (2.70%) Security Cleared
7 36 (2.43%) Microsoft Certification
8 32 (2.16%) MCSE
9 20 (1.35%) SC Cleared
10 15 (1.01%) OSCP
10 15 (1.01%) OSCE
10 15 (1.01%) MCP
10 15 (1.01%) CEH
11 13 (0.88%) MCITP
11 13 (0.88%) DV Cleared
12 10 (0.67%) MCTS
12 10 (0.67%) ITIL Certification
12 10 (0.67%) OCP
12 10 (0.67%) Oracle Certification
Quality Assurance & Compliance
1 58 (3.91%) SLA
2 39 (2.63%) ISO/IEC 27001
3 36 (2.43%) QA
4 35 (2.36%) PCI DSS
5 18 (1.21%) ISO 9001
6 16 (1.08%) ISO 14001
7 9 (0.61%) HIPAA
8 4 (0.27%) Sarbanes-Oxley
9 1 (0.067%) GPG13
System Software
1 323 (21.77%) VMware Infrastructure
2 125 (8.42%) vSphere
3 104 (7.01%) KVM
4 90 (6.06%) Active Directory
5 74 (4.99%) Xen
6 57 (3.84%) Varnish
7 55 (3.71%) vCloud
8 54 (3.64%) NFS
9 44 (2.96%) VMware ESXi
10 43 (2.90%) Hyper-V
11 41 (2.76%) Samba
11 41 (2.76%) VMware ESX
12 29 (1.95%) XenServer
13 28 (1.89%) Squid
14 22 (1.48%) Nmap
15 18 (1.21%) Postfix
16 17 (1.15%) Veritas Cluster Server
17 16 (1.08%) Shibboleth
18 14 (0.94%) Snort
19 12 (0.81%) Docker
Systems Management
1 594 (40.03%) Puppet
2 359 (24.19%) Opscode Chef
3 310 (20.89%) Nagios
4 119 (8.02%) ZABBIX
5 91 (6.13%) Cacti
6 83 (5.59%) Salt
7 67 (4.51%) Ansible
8 62 (4.18%) CFEngine
9 47 (3.17%) Vagrant
10 35 (2.36%) SCOM
11 34 (2.29%) Zenoss
12 33 (2.22%) YUM
13 32 (2.16%) Opsview
14 31 (2.09%) logstash
15 27 (1.82%) Munin
16 24 (1.62%) SCCM
17 21 (1.42%) Nessus
17 21 (1.42%) ITRS Geneos
18 19 (1.28%) HAProxy
19 17 (1.15%) Veritas Storage Foundation
Vendors
1 976 (65.77%) Red Hat
2 478 (32.21%) VMware
3 169 (11.39%) Oracle
4 162 (10.92%) Cisco
5 155 (10.44%) Microsoft
6 113 (7.61%) HP
7 97 (6.54%) JBoss
8 76 (5.12%) Citrix
9 74 (4.99%) Rackspace
10 68 (4.58%) Zend
11 59 (3.98%) Dell
12 55 (3.71%) F5
13 53 (3.57%) NetApp
14 50 (3.37%) IBM
15 49 (3.30%) EMC
16 37 (2.49%) Splunk
17 34 (2.29%) Juniper
18 33 (2.22%) Perforce
19 32 (2.16%) Symantec
20 31 (2.09%) SAP
Hampshire
Peopleworks
Salary: From £45,000 to £50,000 per annum £45,000 to £50,000 + Bonus (10%) Neg
Posted: 8 hours ago
Stoke-On-Trent, Staffordshire
Saxon Recruitment Solutions
Salary: £35000 - £45000 per annum + + Excellent Bonus + Oncall
Posted: 9 hours ago
West London
ARC IT Recruitment Ltd
Salary: £70000 Per Annum
Posted: Yesterday
Leeds, West Yorkshire
Circle Recruitment
Salary: £25000 - £35000 per annum + Benefits
Posted: Yesterday
Central London / West End
Reed Business Information Ltd
Salary: From £55,000 to £64,000 per annum + 29 days + Share Ops + Pension + mo
Posted: Yesterday
Bradford, West Yorkshire
Searchability.co.uk
Salary: £20000 - £30000 per annum
Posted: Yesterday
Central London / West End
Westbourne Partners
Salary: From £40,000 to £40,000 per annum
Posted: Yesterday
Harrogate, North Yorkshire
Senitor Associates
Salary: £40000 per annum
Posted: Yesterday
City, London
Greywood Associates Limited
Salary: £45000 - £50000 per annum + bens
Posted: Yesterday
Gloucester, Gloucestershire
People Source Consulting
Salary: £30000 - £40000 per annum
Posted: Yesterday
London
Austin Fraser
Salary: £30000.00 - £40000.00 per annum + Bens
Posted: Yesterday
Kingston Upon Thames, Surrey
Austin Fraser
Salary: £35000.00 - £40000.00 per annum + Bens
Posted: Yesterday
London
Austin Fraser
Salary: £60000.00 - £75000.00 per annum + Shares
Posted: Yesterday
City, London
Oscar Associates (UK) Ltd
Salary: £40000 - £45000 per annum + Benefits
Posted: Yesterday
Maidenhead, Berkshire
Austin Fraser
Salary: £43000.00 - £53000.00 per annum + Bens
Posted: Yesterday
Guildford, Surrey
set2recruit
Salary: From £40,000 to £65,000 per annum
Posted: Yesterday
London
Talent Crew
Salary: £35000 - £38000 per annum + Excellent benefits
Posted: Yesterday
Bristol, Avon
ISL
Salary: £20000 - £25000 per annum
Posted: Yesterday
Bristol, Avon
ISL
Salary: £30000 - £35000 per annum
Posted: Yesterday
Glasgow, Lanarkshire
Redrock Consulting Ltd
Salary: £2000 - £27000 per annum + Training
Posted: 2 days ago