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 29 May 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
29 May 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 399 426 414
Rank change year-on-year
+27 -12
Permanent jobs citing CentOS 659 664 616
As % of all permanent IT jobs located in the UK 0.62% 0.56% 0.56%
As % of the Operating Systems category 2.34% 2.10% 2.08%
Number of salaries quoted 573 593 550
Average salary £47,000 £42,500 £42,500
Average salary % change year-on-year
+10.58% -
90% offered a salary of more than £32,500 £27,500 £27,500
10% offered a salary of more than £65,000 £60,000 £57,500
UK excluding London average salary £40,000 £37,500 £38,500
% change year-on-year
+6.66% -2.59%

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
28167 31563 29646
As % of all permanent IT jobs located in the UK 26.67% 26.69% 27.12%
Number of salaries quoted 23585 26562 25108
Average salary £41,500 £40,000 £40,000
Average salary % change year-on-year
+3.75% -
90% offered a salary of more than £24,750 £25,000 £25,000
10% offered a salary of more than £65,000 £62,500 £65,000
UK excluding London average salary £37,500 £36,500 £37,500
% change year-on-year
+2.73% -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 29 May 2015 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 29 May 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
England +42 640 £47,500 +11.76% 112
London +60 331 £55,000 +10.00% 44
South East +43 149 £43,500 +2.35% 36
South West +11 56 £37,500 - 7
Berkshire +2 48 £35,000 -15.66% 15
Hampshire +32 45 £45,000 +28.57% 8
City of London +44 42 £43,750 -12.50% 12
East of England +5 39 £46,500 +9.41% 8
Reading -1 34 £23,000 -34.28% 5
Bristol +3 30 £37,500 - 2
Yorkshire +3 28 £40,000 +38.52% 5
North West +6 22 £37,500 -6.25% 9
Oxfordshire +31 21 £44,500 +4.70% 3
Cambridge +6 20 £43,750 +12.17% 4
Cambridgeshire -2 20 £43,750 +10.75% 5
Surrey +24 19 £50,000 -4.76% 2
Oxford +18 17 £44,500 +4.70% 2
Hertfordshire +5 16 £55,000 +3.77% 2
Wales +6 15 £37,000 -1.33% 1
South Wales +3 15 £37,000 -1.33% 1
North Yorkshire +23 13 £40,000 +100.00% 1
Leeds +13 13 £40,000 +48.14% 2
West Yorkshire +5 13 £40,000 +48.14% 2
Manchester +11 12 £37,500 -6.25% 8
Woking - 11 £50,000 -
Portsmouth +18 10 £45,000 - 1
Kent +13 10 £65,000 +30.00% 3
Basingstoke +27 9 £40,000 +16.36% 1
Maidenhead +10 9 £42,500 -19.04% 4
St Albans - 9 £55,000 - 1

CentOS
Top 30 Related IT Skills

For the 6 months to 29 May 2015, 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 1336 (96.46%) Linux
2 862 (62.24%) Red Hat
3 637 (45.99%) Red Hat Enterprise Linux
4 571 (41.23%) VMware
5 540 (38.99%) Bash Shell
6 538 (38.84%) Puppet
6 538 (38.84%) Windows
7 531 (38.34%) MySQL
8 498 (35.96%) Apache
9 488 (35.23%) Python
10 434 (31.34%) Ubuntu
11 406 (29.31%) Perl
12 376 (27.15%) DevOps
13 369 (26.64%) VMware Infrastructure
14 365 (26.35%) PHP
15 344 (24.84%) Amazon AWS
16 322 (23.25%) Java
17 309 (22.31%) Firewall
18 300 (21.66%) Opscode Chef
19 290 (20.94%) DNS
20 273 (19.71%) Ruby
21 267 (19.28%) Debian
22 265 (19.13%) Tomcat
23 264 (19.06%) TCP/IP
24 252 (18.19%) SQL
25 243 (17.55%) Agile Software Development
26 227 (16.39%) Microsoft
27 219 (15.81%) Git (software)
28 215 (15.52%) Nagios
29 214 (15.45%) nginx

CentOS
Top Related IT Skills by Category

For the 6 months to 29 May 2015, 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
1 498 (35.96%) Apache
2 265 (19.13%) Tomcat
3 214 (15.45%) nginx
4 109 (7.87%) IIS
5 82 (5.92%) MS Exchange
6 65 (4.69%) Confluence
6 65 (4.69%) JBoss
7 60 (4.33%) OpenStack
8 46 (3.32%) Elasticsearch
9 41 (2.96%) Exchange Server 2010
10 39 (2.82%) CMS
11 30 (2.17%) WordPress
11 30 (2.17%) Drupal
12 29 (2.09%) Apache Solr
12 29 (2.09%) SharePoint
13 28 (2.02%) Node.js
14 25 (1.81%) Lync
15 20 (1.44%) MediaWiki
16 17 (1.23%) Oracle HTTP Server
17 16 (1.16%) GlassFish
Applications
1 98 (7.08%) MS Excel
2 8 (0.58%) Mingle
3 6 (0.43%) MS Office
3 6 (0.43%) Photoshop
4 2 (0.14%) Maya
5 1 (0.072%) PowerPivot
Business Applications
1 20 (1.44%) Magento
2 12 (0.87%) Oracle General Ledger
3 10 (0.72%) Dynamics CRM
4 9 (0.65%) SAP Oil and Gas
5 5 (0.36%) RMDS
6 2 (0.14%) Cordys
7 1 (0.072%) Oracle BPM
7 1 (0.072%) SAP Business One
Cloud Services
1 344 (24.84%) Amazon AWS
2 106 (7.65%) Amazon EC2
3 44 (3.18%) Amazon S3
3 44 (3.18%) Cloud Computing
4 41 (2.96%) SaaS
5 37 (2.67%) Microsoft Azure
6 36 (2.60%) PaaS
7 34 (2.45%) Office 365
8 18 (1.30%) Virtual Private Cloud
8 18 (1.30%) GitHub
9 17 (1.23%) Route 53
10 13 (0.94%) IaaS
10 13 (0.94%) Amazon ELB
10 13 (0.94%) Google Cloud Platform
11 10 (0.72%) Heroku
11 10 (0.72%) Engine Yard
12 8 (0.58%) Rackspace Cloud
13 7 (0.51%) Amazon SQS
13 7 (0.51%) AWS CloudFormation
14 6 (0.43%) Amazon CloudWatch
Communications & Networking
1 309 (22.31%) Firewall
2 290 (20.94%) DNS
3 264 (19.06%) TCP/IP
4 206 (14.87%) SAN
5 185 (13.36%) VPN
6 118 (8.52%) HTTP
7 114 (8.23%) WAN
7 114 (8.23%) SSL
8 110 (7.94%) LDAP
9 98 (7.08%) DHCP
10 92 (6.64%) IPsec
10 92 (6.64%) LAN
11 81 (5.85%) VLAN
12 74 (5.34%) NAS
13 67 (4.84%) Network Security
14 64 (4.62%) SNMP
15 59 (4.26%) SMTP
16 54 (3.90%) BGP
17 51 (3.68%) Internet
18 43 (3.10%) Cisco ASA
Database & Business Intelligence
1 531 (38.34%) MySQL
2 166 (11.99%) SQL Server
3 118 (8.52%) PostgreSQL
4 99 (7.15%) MongoDB
5 83 (5.99%) Relational Database
6 73 (5.27%) NoSQL
7 65 (4.69%) Redis
8 38 (2.74%) Apache Cassandra
9 37 (2.67%) Amazon RDS
10 35 (2.53%) Big Data
11 33 (2.38%) MariaDB
12 30 (2.17%) Hadoop
13 29 (2.09%) Amazon DynamoDB
14 28 (2.02%) SQL Server 2008
15 24 (1.73%) SQL Server 2005
15 24 (1.73%) Couchbase
15 24 (1.73%) Oracle Database
16 20 (1.44%) RDBMS
17 14 (1.01%) SQL Server 2012
18 12 (0.87%) Informix
Development Applications
1 219 (15.81%) Git (software)
2 195 (14.08%) Jenkins
3 112 (8.09%) Subversion
4 94 (6.79%) JIRA
5 69 (4.98%) Hudson
6 52 (3.75%) Maven
7 26 (1.88%) Eclipse
8 25 (1.81%) TeamCity
9 24 (1.73%) Selenium
10 21 (1.52%) Ant
11 20 (1.44%) Atlassian Bamboo
12 17 (1.23%) JUnit
13 16 (1.16%) PHPUnit
14 15 (1.08%) SoapUI
14 15 (1.08%) Cucumber
15 14 (1.01%) IntelliJ
16 11 (0.79%) Behat
16 11 (0.79%) TestLink
16 11 (0.79%) Team Foundation Server
16 11 (0.79%) Visual Studio
General
1 141 (10.18%) Finance
2 61 (4.40%) Telecoms
3 59 (4.26%) Games
4 48 (3.47%) Marketing
5 43 (3.10%) Retail
6 33 (2.38%) Advertising
7 29 (2.09%) Back Office
8 27 (1.95%) Banking
9 17 (1.23%) Online Betting
10 12 (0.87%) Manufacturing
11 10 (0.72%) Electronics
12 4 (0.29%) Financial Institution
12 4 (0.29%) Welsh Language
13 3 (0.22%) Local Government
13 3 (0.22%) Investment Banking
13 3 (0.22%) Publishing
14 2 (0.14%) Spanish Language
15 1 (0.072%) German Language
15 1 (0.072%) Pharmaceutical
15 1 (0.072%) Legal
Job Titles
1 490 (35.38%) Administrator
2 478 (34.51%) Systems Administrator
3 359 (25.92%) Linux Administrator
4 335 (24.19%) Linux Systems Administrator
5 207 (14.95%) DevOps Engineer
6 170 (12.27%) Linux Engineer
7 149 (10.76%) Systems Engineer
8 127 (9.17%) Support Engineer
9 98 (7.08%) Developer
10 90 (6.50%) Infrastructure Engineer
11 74 (5.34%) Linux DevOps Engineer
12 67 (4.84%) Analyst
13 52 (3.75%) Linux Systems Engineer
14 44 (3.18%) Senior Systems Administrator
15 39 (2.82%) IT Support
15 39 (2.82%) Senior Linux Administrator
16 37 (2.67%) Architect
17 36 (2.60%) Senior Linux Systems Administrator
18 35 (2.53%) Senior DevOps Engineer
19 31 (2.24%) Linux Support
Libraries, Frameworks & Software Standards
1 185 (13.36%) Web Services
2 174 (12.56%) LAMP
3 100 (7.22%) HTML
4 76 (5.49%) CSS
5 62 (4.48%) .NET
6 51 (3.68%) RabbitMQ
7 46 (3.32%) RESTful
8 41 (2.96%) jQuery
9 37 (2.67%) ASP.NET
10 33 (2.38%) HTML5
11 30 (2.17%) Memcached
12 26 (1.88%) XML
12 26 (1.88%) Servlets
13 23 (1.66%) CSS3
13 23 (1.66%) FIX Protocol
14 22 (1.59%) REST
15 21 (1.52%) J2EE
15 21 (1.52%) Ajax
16 19 (1.37%) Symfony
16 19 (1.37%) Middleware
Miscellaneous
1 172 (12.42%) Data Centre
2 93 (6.71%) Clustering
3 87 (6.28%) Analytical Skills
4 54 (3.90%) Computer Science
5 45 (3.25%) Replication
6 41 (2.96%) Wiki
7 31 (2.24%) Public Cloud
8 29 (2.09%) Derivative
9 28 (2.02%) Streaming Video
10 26 (1.88%) Eurex
10 26 (1.88%) Private Cloud
11 22 (1.59%) Client/Server
12 21 (1.52%) User Experience
12 21 (1.52%) Hybrid Cloud
13 19 (1.37%) Mobile App
13 19 (1.37%) Management Information System
13 19 (1.37%) CESG
14 17 (1.23%) iPhone
14 17 (1.23%) Online Games
14 17 (1.23%) Foreign Exchange (FX)
Operating Systems
1 1336 (96.46%) Linux
2 637 (45.99%) Red Hat Enterprise Linux
3 538 (38.84%) Windows
4 434 (31.34%) Ubuntu
5 267 (19.28%) Debian
6 183 (13.21%) UNIX
7 164 (11.84%) Windows Server 2008
8 107 (7.73%) Fedora
9 83 (5.99%) Solaris
10 77 (5.56%) Windows Server 2012
11 69 (4.98%) Windows Server 2003
12 52 (3.75%) Windows 7
13 51 (3.68%) SUSE
14 40 (2.89%) Android
15 37 (2.67%) Mac OS X
16 35 (2.53%) Oracle Linux
17 27 (1.95%) Apple iOS
18 21 (1.52%) AIX
19 12 (0.87%) Windows XP
20 11 (0.79%) Windows Phone
Processes & Methodologies
1 376 (27.15%) DevOps
2 243 (17.55%) Agile Software Development
3 209 (15.09%) Configuration Management
4 175 (12.64%) E-Commerce
5 167 (12.06%) Continuous Integration
6 139 (10.04%) Load Balancing
7 137 (9.89%) Open Source
8 131 (9.46%) ITIL
9 88 (6.35%) Scrum
10 74 (5.34%) Disaster Recovery
10 74 (5.34%) Performance Tuning
11 68 (4.91%) Migration
12 63 (4.55%) Mentoring
13 60 (4.33%) TDD
14 55 (3.97%) Software Engineering
14 55 (3.97%) Service Delivery
15 53 (3.83%) Time Management
16 43 (3.10%) Change Management
17 41 (2.96%) Build Automation
18 38 (2.74%) Project Management
Programming Languages
1 540 (38.99%) Bash Shell
2 488 (35.23%) Python
3 406 (29.31%) Perl
4 365 (26.35%) PHP
5 322 (23.25%) Java
6 273 (19.71%) Ruby
7 252 (18.19%) SQL
8 179 (12.92%) Shell Script
9 98 (7.08%) JavaScript
10 71 (5.13%) C++
11 61 (4.40%) C#
12 59 (4.26%) PowerShell
13 44 (3.18%) C
14 32 (2.31%) Korn
15 22 (1.59%) PHP5
16 19 (1.37%) T-SQL
17 15 (1.08%) Objective-C
18 13 (0.94%) Groovy
19 11 (0.79%) Tcl
20 10 (0.72%) AWK
Qualifications
1 120 (8.66%) Degree
2 76 (5.49%) Cisco Certification
3 53 (3.83%) CCNP
3 53 (3.83%) VMware Certified Professional (VCP)
4 52 (3.75%) Security Cleared
5 44 (3.18%) RHCE
6 32 (2.31%) Microsoft Certification
6 32 (2.31%) SC Cleared
7 31 (2.24%) RHCSA
8 29 (2.09%) CCNA
9 27 (1.95%) MCSE
10 23 (1.66%) DV Cleared
11 12 (0.87%) LPIC
12 11 (0.79%) CCIE
13 10 (0.72%) MCTS
13 10 (0.72%) MCSA
14 8 (0.58%) A+ Certification
14 8 (0.58%) MCSD
15 7 (0.51%) ITIL Certification
16 6 (0.43%) CCA
Quality Assurance & Compliance
1 42 (3.03%) SLA
2 41 (2.96%) QA
3 24 (1.73%) ISO/IEC 27001
4 4 (0.29%) ISO 9001
5 3 (0.22%) PCI DSS
System Software
1 369 (26.64%) VMware Infrastructure
2 136 (9.82%) Active Directory
3 133 (9.60%) vSphere
4 73 (5.27%) XenServer
5 71 (5.13%) Hyper-V
6 62 (4.48%) Postfix
7 60 (4.33%) NFS
8 56 (4.04%) Varnish
9 52 (3.75%) VMware ESXi
10 50 (3.61%) VMware ESX
11 49 (3.54%) Docker
12 47 (3.39%) iptables
13 46 (3.32%) Samba
14 45 (3.25%) Xen
15 39 (2.82%) KVM
16 37 (2.67%) vCloud
17 26 (1.88%) Squid
18 21 (1.52%) VirtualBox
19 13 (0.94%) Terminal Services
20 9 (0.65%) XenDesktop
Systems Management
1 538 (38.84%) Puppet
2 300 (21.66%) Opscode Chef
3 215 (15.52%) Nagios
4 124 (8.95%) Ansible
5 77 (5.56%) ZABBIX
6 46 (3.32%) Salt
7 38 (2.74%) Vagrant
8 34 (2.45%) Cacti
9 33 (2.38%) SELinux
9 33 (2.38%) HAProxy
10 30 (2.17%) logstash
11 29 (2.09%) Cobbler
12 25 (1.81%) cPanel
12 25 (1.81%) WSUS
13 23 (1.66%) Icinga
14 21 (1.52%) Plesk
15 14 (1.01%) Opsview
15 14 (1.01%) Red Hat Spacewalk
16 12 (0.87%) Kibana
17 11 (0.79%) Webmin
Vendors
1 862 (62.24%) Red Hat
2 571 (41.23%) VMware
3 227 (16.39%) Microsoft
4 191 (13.79%) Cisco
5 134 (9.68%) Oracle
6 98 (7.08%) HP
7 85 (6.14%) Citrix
8 63 (4.55%) Juniper
9 43 (3.10%) Splunk
10 35 (2.53%) Rackspace
11 29 (2.09%) Google
12 27 (1.95%) hybris
12 27 (1.95%) Dell
13 23 (1.66%) F5
13 23 (1.66%) Bloomberg
14 22 (1.59%) Sun
14 22 (1.59%) NetApp
14 22 (1.59%) Zend
15 21 (1.52%) NYFIX
15 21 (1.52%) IBM
Stoke-On-Trent, Staffordshire
Saxon Recruitment Solutions
Salary: £35000 - £45000 per annum + + Excellent Bonus + Oncall
Posted: 4 hours ago
Manchester, Lancashire
Venturi
Salary: £35000 - £40000 per annum + Bonus + Benefits
Posted: 5 hours ago
London
PCR
Salary: £35000.00 - £42000.00 per annum + 3k & 28 days holiday
Posted: 9 hours ago
East London
Coral Racing Ltd
Salary: up to 45k basic
Posted: 20 hours ago
Reading, Berkshire
Timothy James Consulting Ltd
Salary: £40000 - £50000 per annum
Posted: 21 hours ago
Swindon, Wiltshire
Sanderson
Salary: £40000 - £55000 per annum + Benefits
Posted: 22 hours ago
City, London
Harrington Starr
Salary: £60000 - £90000 per annum
Posted: Yesterday
Harrogate, North Yorkshire
4it Recruitment Ltd
Salary: From £30,000 to £35,000 per annum plus additional benefits
Posted: Yesterday
Reading, Oxfordshire
Oracle
Salary: excellent salary - negotiable
Posted: Yesterday
Camberley, Surrey
Peopleworks
Salary: From £35,000 to £40,000 per annum £35,000 to £40,000 Negotiable + 10%
Posted: Yesterday
Hampshire
Peopleworks
Salary: From £50,000 to £55,000 per annum £50,000 to £55,000 + Bonus (10%) Neg
Posted: Yesterday
Reading, Berkshire
Deanslist Limited
Salary: £25-28k + benefits package.
Posted: Yesterday
Salford, Lancashire
Digitech Resourcing Ltd
Salary: Up to £65,000 per annum
Posted: Yesterday
Manchester, Lancashire
Greywood Associates Limited
Salary: £30000 - £35000 per annum + bens
Posted: Yesterday
Tunbridge Wells, Kent
Lawrence Harvey Enterprise
Salary: Benefits
Posted: Yesterday
Faringdon, Oxfordshire
RecruitmentRevolution.com Limited
Salary: From £35,000 to £45,000 per annum
Posted: Yesterday
London
Burns Sheehan
Salary: £50000 - £70000 per annum + Excelent Benefits
Posted: Yesterday
London
Austin Fraser
Salary: £40000.00 - £55000.00 per annum + Great Bens
Posted: Yesterday
London
Austin Fraser
Salary: £50000.00 - £60000.00 per annum + Bens
Posted: Yesterday
Southampton, Hampshire
HAYS INFORMATION TECHNOLOGY
Salary: £20000.00 - £25000 per annum + Generous Benefits
Posted: Yesterday