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 22 August 2014 with a comparison to the same period in the previous 2 years.

Location
3 months to
22 Aug 2014
Same period 2013 Same period 2012
CentOS Linux
Rank 375 395 400
Rank change year-on-year
+20 +5
Permanent jobs citing CentOS 789 638 647
As % of all permanent IT jobs located in the UK 0.67% 0.59% 0.55%
As % of the Operating Systems category 2.52% 2.16% 1.98%
Number of salaries quoted 681 579 561
Average salary £45,000 £45,000 £42,500
Average salary % change year-on-year
- +5.88%
90% offered a salary of more than £30,000 £31,250 £30,000
10% offered a salary of more than £60,000 £62,500 £55,000
UK excluding London average salary £41,500 £39,000 £35,000
% change year-on-year
+6.41% +11.42%

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
31343 29579 32646
As % of all permanent IT jobs located in the UK 26.76% 27.21% 27.86%
Number of salaries quoted 25998 25172 27933
Average salary £40,000 £40,500 £40,000
Average salary % change year-on-year
-1.23% +1.25%
90% offered a salary of more than £25,000 £25,000 £25,000
10% offered a salary of more than £65,000 £62,500 £62,500
UK excluding London average salary £37,000 £37,500 £37,500
% change year-on-year
-1.33% -

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 22 August 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 22 August 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 +19 747 £45,000 - 97
London +25 418 £50,000 - 56
South East +21 151 £43,375 +2.05% 17
City of London -3 67 £45,000 -14.28% 14
Hampshire +13 58 £42,500 +21.42% 4
East of England +18 54 £45,000 +12.50% 1
Berkshire +14 43 £48,750 +27.45% 2
South West +11 38 £39,500 +40.66% 6
Yorkshire -50 37 £29,000 -27.50% 9
Surrey -11 33 £47,500 +9.19% 7
Cambridgeshire +2 28 £42,000 -6.66% 1
Cambridge +14 27 £42,000 -11.57% 1
Basingstoke +15 25 £40,000 -15.78% 1
North West -6 23 £32,500 -7.14% 5
Leeds -41 21 £28,750 -30.30% 9
West Yorkshire -52 21 £28,750 -30.30% 9
Bristol +15 20 £37,500 +11.94% 4
Hertfordshire +11 20 £56,000 +76.37% 1
Reading +11 19 £42,750 +85.86%
Wales +12 18 £34,500 +6.15% 3
South Wales +8 18 £34,500 +6.15% 3
West Midlands 0 18 £32,500 -3.70% 3
Scotland -11 18 £41,500 +1.23%
Edinburgh - 16 £30,000 -
Cardiff - 15 £35,000 - 2
Manchester +8 13 £30,000 -29.41% 2
Maidenhead -7 12 £57,500 +27.77%
Slough +14 11 £47,500 +26.66% 1
Coventry +8 10 £32,500 -
Wiltshire 0 9 £45,000 +60.25% 1

CentOS
Top 30 Related IT Skills

For the 6 months to 22 August 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 1359 (94.24%) Linux
2 936 (64.91%) Red Hat
3 625 (43.34%) MySQL
4 571 (39.60%) Red Hat Enterprise Linux
5 558 (38.70%) Puppet
6 531 (36.82%) Apache
7 521 (36.13%) Perl
8 506 (35.09%) Python
9 467 (32.39%) Windows
10 463 (32.11%) Bash Shell
11 460 (31.90%) VMware
12 421 (29.20%) Ubuntu
13 414 (28.71%) PHP
14 360 (24.97%) DevOps
15 336 (23.30%) Opscode Chef
16 324 (22.47%) Java
17 317 (21.98%) VMware Infrastructure
18 307 (21.29%) SQL
19 297 (20.60%) Nagios
20 288 (19.97%) Ruby
21 286 (19.83%) TCP/IP
22 284 (19.69%) DNS
23 278 (19.28%) UNIX
24 269 (18.65%) Git (software)
25 261 (18.10%) Tomcat
25 261 (18.10%) Debian
26 204 (14.15%) Amazon AWS
27 201 (13.94%) Web Services
28 185 (12.83%) Firewall
29 182 (12.62%) HTTP

CentOS
Top Related IT Skills by Category

For the 6 months to 22 August 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
1 531 (36.82%) Apache
2 261 (18.10%) Tomcat
3 167 (11.58%) nginx
4 105 (7.28%) IIS
5 58 (4.02%) OpenStack
6 53 (3.68%) Elasticsearch
7 51 (3.54%) MS Exchange
7 51 (3.54%) Drupal
8 43 (2.98%) WordPress
9 41 (2.84%) WebLogic
10 38 (2.64%) CMS
11 31 (2.15%) Exchange Server 2010
12 30 (2.08%) Confluence
13 23 (1.60%) Apache Solr
14 22 (1.53%) K2 blackpearl
15 21 (1.46%) Node.js
15 21 (1.46%) Exchange Server 2013
16 20 (1.39%) Moodle
17 17 (1.18%) Lync
17 17 (1.18%) WebSphere
Applications
1 66 (4.58%) MS Excel
2 9 (0.62%) Photoshop
3 8 (0.55%) Adobe Illustrator
4 7 (0.49%) Mingle
5 4 (0.28%) MS Visio
6 1 (0.069%) MS Office
6 1 (0.069%) Doxygen
Business Applications
1 19 (1.32%) Magento
2 14 (0.97%) Oracle EBS
3 12 (0.83%) Shopify
4 11 (0.76%) SAP Oil and Gas
5 4 (0.28%) Dynamics CRM
6 3 (0.21%) Summit
7 2 (0.14%) Google Analytics
7 2 (0.14%) RMDS
8 1 (0.069%) Dynamics NAV
8 1 (0.069%) Dynamics AX
8 1 (0.069%) Oracle BPM
Cloud Services
1 204 (14.15%) Amazon AWS
2 89 (6.17%) SaaS
3 58 (4.02%) Amazon EC2
4 31 (2.15%) Amazon S3
5 25 (1.73%) Amazon ELB
6 21 (1.46%) Cloud Computing
7 15 (1.04%) Microsoft Azure
8 13 (0.90%) Route 53
9 12 (0.83%) Rackspace Cloud
9 12 (0.83%) GitHub
10 8 (0.55%) Amazon SQS
11 6 (0.42%) Office 365
12 4 (0.28%) IaaS
13 3 (0.21%) Heroku
13 3 (0.21%) CloudFront
14 2 (0.14%) PaaS
15 1 (0.069%) ElastiCache
15 1 (0.069%) Amazon ElastiCache
15 1 (0.069%) Amazon EMR
15 1 (0.069%) Google Apps
Communications & Networking
1 286 (19.83%) TCP/IP
2 284 (19.69%) DNS
3 185 (12.83%) Firewall
4 182 (12.62%) HTTP
5 164 (11.37%) SAN
6 136 (9.43%) SSL
7 125 (8.67%) VPN
8 108 (7.49%) DHCP
9 96 (6.66%) LDAP
10 95 (6.59%) SSH
11 94 (6.52%) Internet
12 79 (5.48%) NAS
13 70 (4.85%) SMTP
13 70 (4.85%) LAN
14 68 (4.72%) WAN
15 65 (4.51%) IPsec
16 54 (3.74%) SNMP
17 47 (3.26%) Cisco ASA
17 47 (3.26%) Ethernet
18 43 (2.98%) VLAN
Database & Business Intelligence
1 625 (43.34%) MySQL
2 149 (10.33%) SQL Server
3 139 (9.64%) MongoDB
4 131 (9.08%) PostgreSQL
5 111 (7.70%) NoSQL
6 72 (4.99%) Redis
7 62 (4.30%) Hadoop
7 62 (4.30%) Big Data
8 56 (3.88%) Apache Cassandra
9 53 (3.68%) Relational Database
10 38 (2.64%) SQL Server 2008
11 37 (2.57%) Oracle Database
12 32 (2.22%) DB2
13 31 (2.15%) SQL Server 2005
14 27 (1.87%) Amazon DynamoDB
15 25 (1.73%) SQL Server Integration Services
16 23 (1.60%) RDBMS
16 23 (1.60%) Amazon RDS
17 22 (1.53%) CouchDB
18 21 (1.46%) MariaDB
Development Applications
1 269 (18.65%) Git (software)
2 168 (11.65%) Jenkins
3 136 (9.43%) Subversion
4 48 (3.33%) JIRA
5 42 (2.91%) Maven
6 37 (2.57%) Hudson
7 19 (1.32%) Atlassian Bamboo
8 16 (1.11%) JUnit
9 14 (0.97%) Juju
10 13 (0.90%) Eclipse
11 12 (0.83%) TeamCity
11 12 (0.83%) Mercurial
11 12 (0.83%) Visual Studio
12 11 (0.76%) Selenium
13 9 (0.62%) Octopus Deploy
13 9 (0.62%) Metasploit
14 8 (0.55%) FishEye
14 8 (0.55%) Dreamweaver
15 7 (0.49%) NUnit
15 7 (0.49%) MSTest
General
1 174 (12.07%) Finance
2 100 (6.93%) Games
3 86 (5.96%) Telecoms
4 51 (3.54%) Marketing
5 31 (2.15%) Online Betting
6 28 (1.94%) Retail
7 27 (1.87%) Back Office
8 24 (1.66%) Banking
9 19 (1.32%) Manufacturing
9 19 (1.32%) Advertising
10 15 (1.04%) Welsh Language
11 14 (0.97%) Publishing
12 12 (0.83%) Electronics
12 12 (0.83%) Pharmaceutical
13 8 (0.55%) Legal
14 4 (0.28%) Law
14 4 (0.28%) Financial Institution
15 2 (0.14%) Automotive
16 1 (0.069%) Investment Banking
Job Titles
1 465 (32.25%) Administrator
2 414 (28.71%) Systems Administrator
3 399 (27.67%) Linux Administrator
4 317 (21.98%) Linux Systems Administrator
5 210 (14.56%) Linux Engineer
6 182 (12.62%) Developer
7 138 (9.57%) DevOps Engineer
8 113 (7.84%) Support Engineer
9 110 (7.63%) Senior Systems Administrator
10 96 (6.66%) Senior Linux Administrator
11 89 (6.17%) Systems Engineer
12 85 (5.89%) Senior Linux Systems Administrator
13 84 (5.83%) Linux DevOps Engineer
14 79 (5.48%) Infrastructure Engineer
15 68 (4.72%) PHP Developer
16 52 (3.61%) Analyst
17 42 (2.91%) UNIX Administrator
18 41 (2.84%) Senior Linux Engineer
18 41 (2.84%) Senior DevOps Engineer
19 35 (2.43%) Junior
Libraries, Frameworks & Software Standards
1 201 (13.94%) Web Services
2 177 (12.27%) LAMP
3 145 (10.06%) HTML
3 145 (10.06%) CSS
4 120 (8.32%) jQuery
5 71 (4.92%) XML
6 64 (4.44%) RESTful
7 56 (3.88%) .NET
8 50 (3.47%) SOAP
9 45 (3.12%) HTML5
10 39 (2.70%) RabbitMQ
11 37 (2.57%) ASP.NET
12 35 (2.43%) MSMQ
13 34 (2.36%) ASP.NET MVC
14 31 (2.15%) ActiveMQ
15 30 (2.08%) REST
16 28 (1.94%) Spring
17 27 (1.87%) ASP.NET Web API
17 27 (1.87%) ASP.NET MVC 4
18 26 (1.80%) Django
Miscellaneous
1 153 (10.61%) Open Source
2 88 (6.10%) Clustering
3 69 (4.79%) Computer Science
4 68 (4.72%) Replication
5 42 (2.91%) Online Games
6 33 (2.29%) Social Media
7 20 (1.39%) E-Learning
8 17 (1.18%) PKI
8 17 (1.18%) Mathematics
9 15 (1.04%) VLE
9 15 (1.04%) Management Information System
9 15 (1.04%) Hedge funds
9 15 (1.04%) Learning Management System
10 13 (0.90%) DTV
10 13 (0.90%) Mobile App
11 10 (0.69%) EqualLogic
12 9 (0.62%) Data Extraction
13 8 (0.55%) Fat Client
13 8 (0.55%) Thin Client
14 7 (0.49%) Derivative
Operating Systems
1 1359 (94.24%) Linux
2 571 (39.60%) Red Hat Enterprise Linux
3 467 (32.39%) Windows
4 421 (29.20%) Ubuntu
5 278 (19.28%) UNIX
6 261 (18.10%) Debian
7 172 (11.93%) Windows Server 2008
8 123 (8.53%) Fedora
9 91 (6.31%) Windows Server 2012
10 79 (5.48%) Windows Server 2003
11 73 (5.06%) Solaris
12 68 (4.72%) SUSE
13 31 (2.15%) AIX
14 29 (2.01%) Windows 7
14 29 (2.01%) Android
14 29 (2.01%) Apple iOS
15 17 (1.18%) Mac OS X
16 15 (1.04%) Windows 2000 Server
17 14 (0.97%) HPUX
18 13 (0.90%) SELinux
Processes & Methodologies
1 360 (24.97%) DevOps
2 162 (11.23%) Agile Software Development
3 157 (10.89%) E-Commerce
4 156 (10.82%) ITIL
5 155 (10.75%) Load Balancing
6 129 (8.95%) Configuration Management
7 102 (7.07%) Continuous Integration
8 81 (5.62%) Scrum
9 74 (5.13%) MVC
10 72 (4.99%) Service Delivery
11 63 (4.37%) Software Engineering
12 49 (3.40%) Web Development
12 49 (3.40%) Performance Tuning
13 47 (3.26%) TDD
14 44 (3.05%) SOA
15 42 (2.91%) OOP
16 37 (2.57%) Migration
17 35 (2.43%) Service Management
18 34 (2.36%) Analytics
19 33 (2.29%) OO
Programming Languages
1 521 (36.13%) Perl
2 506 (35.09%) Python
3 463 (32.11%) Bash Shell
4 414 (28.71%) PHP
5 324 (22.47%) Java
6 307 (21.29%) SQL
7 288 (19.97%) Ruby
8 116 (8.04%) JavaScript
9 105 (7.28%) Shell Script
10 73 (5.06%) PHP5
11 55 (3.81%) PowerShell
12 46 (3.19%) sed
13 44 (3.05%) AWK
13 44 (3.05%) C#
14 41 (2.84%) C
15 39 (2.70%) T-SQL
16 27 (1.87%) C++
17 26 (1.80%) Scala
18 19 (1.32%) Bourne shell
19 14 (0.97%) Groovy
Qualifications
1 116 (8.04%) Degree
2 70 (4.85%) Cisco Certification
3 42 (2.91%) VMware Certified Professional (VCP)
4 39 (2.70%) Microsoft Certification
5 37 (2.57%) Security Cleared
6 36 (2.50%) CCNP
6 36 (2.50%) CCNA
7 34 (2.36%) MCSE
8 32 (2.22%) RHCE
9 19 (1.32%) SC Cleared
10 16 (1.11%) OSCP
10 16 (1.11%) OSCE
10 16 (1.11%) CEH
11 13 (0.90%) MCITP
12 11 (0.76%) MCP
13 10 (0.69%) DV Cleared
13 10 (0.69%) MCTS
13 10 (0.69%) ITIL Certification
13 10 (0.69%) OCP
13 10 (0.69%) Oracle Certification
Quality Assurance & Compliance
1 65 (4.51%) SLA
2 37 (2.57%) QA
3 35 (2.43%) PCI DSS
4 33 (2.29%) ISO/IEC 27001
5 16 (1.11%) ISO 9001
6 14 (0.97%) ISO 14001
7 9 (0.62%) HIPAA
8 3 (0.21%) Sarbanes-Oxley
9 1 (0.069%) GPG13
System Software
1 317 (21.98%) VMware Infrastructure
2 112 (7.77%) KVM
3 109 (7.56%) vSphere
4 96 (6.66%) Active Directory
5 73 (5.06%) Xen
6 62 (4.30%) NFS
7 56 (3.88%) Varnish
8 47 (3.26%) Hyper-V
9 45 (3.12%) vCloud
10 43 (2.98%) VMware ESX
11 39 (2.70%) VMware ESXi
12 35 (2.43%) Samba
13 28 (1.94%) Squid
14 23 (1.60%) Nmap
15 21 (1.46%) XenServer
16 20 (1.39%) Postfix
17 16 (1.11%) Shibboleth
18 15 (1.04%) Snort
19 11 (0.76%) Oracle RMAN
19 11 (0.76%) Sendmail
Systems Management
1 558 (38.70%) Puppet
2 336 (23.30%) Opscode Chef
3 297 (20.60%) Nagios
4 113 (7.84%) ZABBIX
5 89 (6.17%) Cacti
6 78 (5.41%) Salt
7 62 (4.30%) Ansible
8 59 (4.09%) CFEngine
9 41 (2.84%) Vagrant
10 35 (2.43%) SCOM
11 33 (2.29%) logstash
12 31 (2.15%) YUM
13 29 (2.01%) Munin
13 29 (2.01%) Zenoss
13 29 (2.01%) Opsview
14 23 (1.60%) SCCM
15 22 (1.53%) Nessus
16 19 (1.32%) HAProxy
17 15 (1.04%) ITRS Geneos
17 15 (1.04%) Red Hat Spacewalk
Vendors
1 936 (64.91%) Red Hat
2 460 (31.90%) VMware
3 167 (11.58%) Oracle
4 161 (11.17%) Cisco
5 142 (9.85%) Microsoft
6 106 (7.35%) HP
7 93 (6.45%) JBoss
8 79 (5.48%) Citrix
9 72 (4.99%) Rackspace
10 61 (4.23%) Zend
10 61 (4.23%) Dell
11 54 (3.74%) NetApp
12 53 (3.68%) F5
13 37 (2.57%) Splunk
13 37 (2.57%) EMC
14 35 (2.43%) IBM
14 35 (2.43%) Juniper
15 31 (2.15%) SAP
16 29 (2.01%) Perforce
17 25 (1.73%) SaltStack
London
ARC IT Recruitment Ltd
Salary: £60000 Per Annum
Posted: 14 hours ago
Milton Keynes, Buckinghamshire
Circle Recruitment
Salary: £35000 - £45000 per annum + Benefits
Posted: 15 hours ago
City, London
Clear Edge Consulting
Salary: From £60,000 to £90,000 per annum exceptional bonus scheme, benefits
Posted: 17 hours ago
London
Global Technology Solutions Ltd
Salary: £45000 - £55000 per annum + bonus & benefits
Posted: 17 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: 18 hours ago
South West London
Oscar Associates (UK) Ltd
Salary: £20000 - £30000 per annum + Benefits
Posted: 19 hours ago
Berkshire
Oscar Associates (UK) Ltd
Posted: 19 hours ago
London
Talent Crew
Salary: £35000 - £38000 per annum + Excellent benefits
Posted: 20 hours ago
Leeds, West Yorkshire
Randstad Technologies
Salary: £24000.00 per annum
Posted: 22 hours ago
Cwmbran, Gwent
Real Time Recruitment Solutions
Salary: 32,000-36,000 + Fantastic Benefits
Posted: 22 hours ago
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
London
Austin Fraser
Salary: £60000.00 - £75000.00 per annum + Shares
Posted: Yesterday
London
Talent International
Salary: £35000 - £60000 per annum + Benefits
Posted: Yesterday
London
Open Select Recruitment
Salary: £40000 - £65000 per annum + benefits
Posted: Yesterday
City, London
Quant Capital
Salary: Up to £40,000 per annum + bonus benefits
Posted: Yesterday
London
Stratospherec
Salary: £35k - 45k per year + excellent benefits
Posted: Yesterday
City, London
LA International
Salary: £55000 - £60000 per annum + benefits
Posted: Yesterday
Liverpool, Merseyside
Oscar Associates (UK) Ltd
Salary: £35000 - £45000 per annum + Benefits
Posted: Yesterday