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 27 February 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
27 Feb 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 379 404 405
Rank change year-on-year
+25 +1
Permanent jobs citing CentOS 735 673 619
As % of all permanent IT jobs located in the UK 0.69% 0.64% 0.58%
As % of the Operating Systems category 2.52% 2.37% 2.10%
Number of salaries quoted 657 592 572
Average salary £45,000 £45,000 £41,000
Average salary % change year-on-year
- +9.75%
90% offered a salary of more than £30,000 £31,000 £28,000
10% offered a salary of more than £65,000 £62,500 £60,000
UK excluding London average salary £42,500 £41,500 £35,750
% change year-on-year
+2.40% +16.08%

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
29123 28383 29437
As % of all permanent IT jobs located in the UK 27.21% 26.94% 27.47%
Number of salaries quoted 24376 23316 24832
Average salary £41,000 £40,250 £40,000
Average salary % change year-on-year
+1.86% +0.62%
90% offered a salary of more than £24,000 £24,500 £25,000
10% offered a salary of more than £65,000 £61,000 £65,000
UK excluding London average salary £37,500 £37,500 £37,500

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 27 February 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 27 February 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 +6 704 £45,000 -2.70% 109
London -26 332 £50,000 - 44
South East +4 160 £42,500 -5.55% 21
South West +44 73 £45,000 +16.88% 12
Berkshire -12 63 £36,000 -20.00% 4
City of London -21 43 £60,000 +20.00% 10
North West +17 41 £37,500 -9.63% 7
Yorkshire +12 37 £41,000 +17.14% 6
Reading +9 35 £36,000 -9.43% 2
Bristol +13 30 £50,000 +19.76% 6
Oxfordshire +26 28 £43,000 +7.50% 6
Hampshire +5 27 £45,000 +66.66% 2
West Yorkshire +12 26 £37,875 +25.92% 6
East of England -21 26 £55,000 +22.22% 8
Manchester +8 24 £32,500 -21.68% 3
Leeds +4 24 £38,500 +27.99% 6
Oxford +18 22 £43,750 +9.37% 4
Surrey -13 21 £55,000 -12.00% 4
West Midlands -13 20 £32,500 -3.70% 3
East Midlands +34 18 £35,000 - 3
Wiltshire +18 17 £50,000 +33.33% 3
Birmingham -1 17 £32,500 -7.14% 3
South Wales -7 17 £35,750 -19.66% 1
Wales -9 17 £35,750 -19.66% 1
Hammersmith +9 14 £48,750 +62.50%
Slough -16 13 £42,000 -9.67%
Northamptonshire +7 12 £35,000 +12.90% 1
Dorset - 12 £42,500 - 2
Bournemouth - 12 £42,500 - 2
Cambridgeshire +9 11 £52,500 +33.75% 5

CentOS
Top 30 Related IT Skills

For the 6 months to 27 February 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 1385 (96.65%) Linux
2 950 (66.29%) Red Hat
3 696 (48.57%) Red Hat Enterprise Linux
4 582 (40.61%) Windows
5 580 (40.47%) VMware
6 563 (39.29%) MySQL
7 556 (38.80%) Puppet
8 502 (35.03%) Python
9 492 (34.33%) Bash Shell
10 472 (32.94%) Apache
11 448 (31.26%) Perl
12 424 (29.59%) PHP
13 388 (27.08%) Ubuntu
14 355 (24.77%) VMware Infrastructure
15 332 (23.17%) DevOps
16 297 (20.73%) Firewall
17 286 (19.96%) Ruby
18 280 (19.54%) Opscode Chef
19 273 (19.05%) Debian
20 266 (18.56%) Java
21 258 (18.00%) TCP/IP
22 254 (17.73%) Git (software)
23 253 (17.66%) Tomcat
24 251 (17.52%) SQL
25 250 (17.45%) Nagios
26 247 (17.24%) DNS
27 231 (16.12%) Amazon AWS
28 225 (15.70%) SAN
29 216 (15.07%) Microsoft
30 209 (14.58%) Agile Software Development

CentOS
Top Related IT Skills by Category

For the 6 months to 27 February 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
1 472 (32.94%) Apache
2 253 (17.66%) Tomcat
3 187 (13.05%) nginx
4 126 (8.79%) IIS
5 85 (5.93%) MS Exchange
6 55 (3.84%) JBoss
7 50 (3.49%) OpenStack
8 41 (2.86%) Elasticsearch
9 40 (2.79%) Confluence
10 39 (2.72%) Exchange Server 2010
11 34 (2.37%) Apache Solr
12 28 (1.95%) Node.js
13 27 (1.88%) WordPress
13 27 (1.88%) Lync
14 23 (1.61%) Drupal
14 23 (1.61%) SharePoint
14 23 (1.61%) CMS
15 16 (1.12%) WebLogic
16 14 (0.98%) MediaWiki
17 13 (0.91%) Moodle
Applications
1 108 (7.54%) MS Excel
2 11 (0.77%) Photoshop
3 6 (0.42%) MS Office
4 5 (0.35%) Mingle
5 2 (0.14%) Maya
6 1 (0.070%) 3ds Max
Business Applications
1 17 (1.19%) Magento
2 12 (0.84%) Dynamics CRM
3 10 (0.70%) Oracle General Ledger
4 8 (0.56%) SAP Oil and Gas
5 2 (0.14%) Oracle BPM
6 1 (0.070%) Oracle EBS
Cloud Services
1 231 (16.12%) Amazon AWS
2 90 (6.28%) Amazon EC2
3 59 (4.12%) Amazon S3
4 45 (3.14%) Cloud Computing
5 43 (3.00%) SaaS
6 29 (2.02%) Office 365
7 27 (1.88%) PaaS
8 21 (1.47%) GitHub
8 21 (1.47%) IaaS
9 20 (1.40%) Microsoft Azure
9 20 (1.40%) Rackspace Cloud
10 19 (1.33%) Amazon ELB
11 11 (0.77%) Google Cloud Platform
12 10 (0.70%) Heroku
12 10 (0.70%) Engine Yard
13 6 (0.42%) SoftLayer
14 5 (0.35%) OpenShift
15 4 (0.28%) Joyent
16 3 (0.21%) Route 53
16 3 (0.21%) Amazon SQS
Communications & Networking
1 297 (20.73%) Firewall
2 258 (18.00%) TCP/IP
3 247 (17.24%) DNS
4 225 (15.70%) SAN
5 166 (11.58%) VPN
6 130 (9.07%) LAN
7 129 (9.00%) WAN
8 117 (8.16%) LDAP
9 116 (8.09%) HTTP
10 115 (8.03%) SSL
11 87 (6.07%) DHCP
12 82 (5.72%) NAS
13 77 (5.37%) IPsec
14 65 (4.54%) VLAN
15 64 (4.47%) SMTP
16 61 (4.26%) SNMP
17 58 (4.05%) BGP
18 57 (3.98%) Network Security
19 49 (3.42%) Cisco ASA
20 48 (3.35%) OSPF
Database & Business Intelligence
1 563 (39.29%) MySQL
2 165 (11.51%) SQL Server
3 125 (8.72%) PostgreSQL
4 107 (7.47%) MongoDB
5 87 (6.07%) Relational Database
6 80 (5.58%) NoSQL
7 76 (5.30%) Redis
8 49 (3.42%) Big Data
9 48 (3.35%) Hadoop
10 39 (2.72%) Apache Cassandra
11 32 (2.23%) SQL Server 2005
12 30 (2.09%) SQL Server 2008
13 28 (1.95%) Amazon RDS
14 27 (1.88%) Oracle Database
15 26 (1.81%) MariaDB
16 25 (1.74%) CouchDB
17 21 (1.47%) RDBMS
18 19 (1.33%) SQL Server 2012
18 19 (1.33%) Amazon DynamoDB
19 13 (0.91%) Couchbase
Development Applications
1 254 (17.73%) Git (software)
2 201 (14.03%) Jenkins
3 129 (9.00%) Subversion
4 82 (5.72%) JIRA
5 54 (3.77%) Maven
6 50 (3.49%) Hudson
7 25 (1.74%) Mercurial
8 24 (1.67%) Atlassian Bamboo
9 21 (1.47%) Behat
10 18 (1.26%) PHPUnit
11 17 (1.19%) Selenium
11 17 (1.19%) Ant
11 17 (1.19%) Eclipse
12 15 (1.05%) Cucumber
13 13 (0.91%) SoapUI
14 10 (0.70%) JUnit
14 10 (0.70%) Visual Studio
15 9 (0.63%) IntelliJ
16 8 (0.56%) TeamCity
16 8 (0.56%) TestLink
General
1 128 (8.93%) Finance
2 51 (3.56%) Telecoms
3 48 (3.35%) Games
4 47 (3.28%) Marketing
5 39 (2.72%) Retail
6 36 (2.51%) Advertising
7 31 (2.16%) Banking
7 31 (2.16%) Back Office
8 15 (1.05%) Manufacturing
9 14 (0.98%) Publishing
10 10 (0.70%) Electronics
11 8 (0.56%) Online Betting
12 7 (0.49%) Legal
13 6 (0.42%) Law
14 5 (0.35%) Investment Banking
15 4 (0.28%) Aerospace
15 4 (0.28%) Welsh Language
16 3 (0.21%) Spanish Language
17 2 (0.14%) French Language
17 2 (0.14%) German Language
Job Titles
1 536 (37.40%) Administrator
2 523 (36.50%) Systems Administrator
3 387 (27.01%) Linux Administrator
4 365 (25.47%) Linux Systems Administrator
5 159 (11.10%) Linux Engineer
5 159 (11.10%) DevOps Engineer
6 146 (10.19%) Developer
7 130 (9.07%) Systems Engineer
8 102 (7.12%) Support Engineer
9 84 (5.86%) Infrastructure Engineer
10 77 (5.37%) Analyst
10 77 (5.37%) Linux DevOps Engineer
11 73 (5.09%) Senior Systems Administrator
12 66 (4.61%) PHP Developer
13 51 (3.56%) Senior Linux Administrator
14 47 (3.28%) Senior Linux Systems Administrator
15 39 (2.72%) Support Analyst
16 38 (2.65%) Web Developer
17 34 (2.37%) Linux Support
18 33 (2.30%) Architect
Libraries, Frameworks & Software Standards
1 203 (14.17%) Web Services
2 190 (13.26%) LAMP
3 143 (9.98%) HTML
4 113 (7.89%) CSS
5 70 (4.88%) jQuery
6 59 (4.12%) HTML5
7 53 (3.70%) .NET
8 46 (3.21%) RabbitMQ
9 45 (3.14%) RESTful
10 44 (3.07%) XML
11 41 (2.86%) Symfony
12 38 (2.65%) Memcached
13 36 (2.51%) REST
14 30 (2.09%) Ajax
15 27 (1.88%) XHTML
15 27 (1.88%) MCollective
16 26 (1.81%) XSLT
16 26 (1.81%) CSS3
17 25 (1.74%) SOAP
18 24 (1.67%) ASP.NET
Miscellaneous
1 151 (10.54%) Open Source
2 96 (6.70%) Clustering
3 90 (6.28%) Analytical Skills
4 56 (3.91%) Computer Science
5 53 (3.70%) Replication
6 31 (2.16%) Derivative
7 25 (1.74%) Streaming Video
7 25 (1.74%) Mobile App
8 22 (1.54%) Wiki
9 19 (1.33%) iPhone
10 18 (1.26%) User Experience
10 18 (1.26%) CESG
10 18 (1.26%) E-Learning
11 17 (1.19%) Hedge funds
12 16 (1.12%) Management Information System
12 16 (1.12%) Mathematics
13 15 (1.05%) Digital Media
14 14 (0.98%) Client/Server
15 13 (0.91%) Device Driver
15 13 (0.91%) Blackberry
Operating Systems
1 1385 (96.65%) Linux
2 696 (48.57%) Red Hat Enterprise Linux
3 582 (40.61%) Windows
4 388 (27.08%) Ubuntu
5 273 (19.05%) Debian
6 207 (14.45%) UNIX
7 192 (13.40%) Windows Server 2008
8 100 (6.98%) Fedora
9 95 (6.63%) Windows Server 2003
10 94 (6.56%) Solaris
11 78 (5.44%) Windows Server 2012
12 66 (4.61%) SUSE
13 57 (3.98%) Windows 7
14 52 (3.63%) Android
15 51 (3.56%) Oracle Linux
16 45 (3.14%) Mac OS X
17 36 (2.51%) AIX
17 36 (2.51%) Apple iOS
18 24 (1.67%) HPUX
19 13 (0.91%) Windows Phone
Processes & Methodologies
1 332 (23.17%) DevOps
2 209 (14.58%) Agile Software Development
3 188 (13.12%) Configuration Management
4 153 (10.68%) E-Commerce
5 150 (10.47%) Continuous Integration
6 145 (10.12%) ITIL
7 129 (9.00%) Load Balancing
8 82 (5.72%) Performance Tuning
9 73 (5.09%) Scrum
10 72 (5.02%) Time Management
11 69 (4.82%) Mentoring
12 59 (4.12%) OO
13 54 (3.77%) Disaster Recovery
14 50 (3.49%) TDD
15 46 (3.21%) Software Engineering
16 44 (3.07%) Service Delivery
17 40 (2.79%) OOP
18 38 (2.65%) MVC
18 38 (2.65%) Build Automation
19 36 (2.51%) Analytics
Programming Languages
1 502 (35.03%) Python
2 492 (34.33%) Bash Shell
3 448 (31.26%) Perl
4 424 (29.59%) PHP
5 286 (19.96%) Ruby
6 266 (18.56%) Java
7 251 (17.52%) SQL
8 157 (10.96%) Shell Script
9 118 (8.23%) JavaScript
10 66 (4.61%) PowerShell
11 56 (3.91%) C++
12 49 (3.42%) PHP5
13 38 (2.65%) C
14 37 (2.58%) C#
15 22 (1.54%) Korn
16 20 (1.40%) T-SQL
17 19 (1.33%) Scala
18 12 (0.84%) Objective-C
18 12 (0.84%) Groovy
19 11 (0.77%) AWK
Qualifications
1 98 (6.84%) Degree
2 81 (5.65%) Cisco Certification
3 56 (3.91%) RHCE
3 56 (3.91%) Security Cleared
4 54 (3.77%) VMware Certified Professional (VCP)
5 50 (3.49%) CCNP
6 40 (2.79%) CCNA
7 39 (2.72%) SC Cleared
8 35 (2.44%) Microsoft Certification
9 32 (2.23%) MCSE
10 30 (2.09%) VCP4
11 27 (1.88%) RHCSA
12 25 (1.74%) DV Cleared
13 15 (1.05%) MCSA
14 12 (0.84%) MCP
14 12 (0.84%) PMI Certification
14 12 (0.84%) MCITP
15 8 (0.56%) PMP
16 7 (0.49%) A+ Certification
16 7 (0.49%) MCTS
Quality Assurance & Compliance
1 50 (3.49%) SLA
2 36 (2.51%) QA
3 20 (1.40%) ISO/IEC 27001
4 13 (0.91%) PCI DSS
5 3 (0.21%) ISO 9001
6 2 (0.14%) ISO 14001
7 1 (0.070%) Sarbanes-Oxley
7 1 (0.070%) HIPAA
7 1 (0.070%) WAI
System Software
1 355 (24.77%) VMware Infrastructure
2 156 (10.89%) Active Directory
3 149 (10.40%) vSphere
4 72 (5.02%) Samba
5 64 (4.47%) NFS
5 64 (4.47%) XenServer
6 59 (4.12%) Hyper-V
7 56 (3.91%) VMware ESXi
8 50 (3.49%) Varnish
9 44 (3.07%) vCloud
10 40 (2.79%) Docker
11 38 (2.65%) VMware ESX
12 36 (2.51%) Postfix
12 36 (2.51%) Xen
13 35 (2.44%) KVM
14 21 (1.47%) LXC
15 19 (1.33%) Squid
16 17 (1.19%) Terminal Services
17 15 (1.05%) VirtualBox
18 12 (0.84%) Veritas Cluster Server
Systems Management
1 556 (38.80%) Puppet
2 280 (19.54%) Opscode Chef
3 250 (17.45%) Nagios
4 102 (7.12%) ZABBIX
5 80 (5.58%) Ansible
6 64 (4.47%) Vagrant
7 53 (3.70%) Cacti
8 45 (3.14%) Salt
9 35 (2.44%) logstash
10 31 (2.16%) Icinga
11 30 (2.09%) WSUS
12 27 (1.88%) SELinux
13 23 (1.61%) Cobbler
14 21 (1.47%) Zenoss
14 21 (1.47%) Graphite
15 20 (1.40%) HAProxy
16 19 (1.33%) Opsview
17 18 (1.26%) ITRS Geneos
17 18 (1.26%) Red Hat Satellite
18 16 (1.12%) Capistrano
Vendors
1 950 (66.29%) Red Hat
2 580 (40.47%) VMware
3 216 (15.07%) Microsoft
4 206 (14.38%) Cisco
5 150 (10.47%) Oracle
6 111 (7.75%) HP
7 100 (6.98%) Citrix
8 76 (5.30%) Juniper
9 59 (4.12%) Zend
10 48 (3.35%) Rackspace
11 47 (3.28%) IBM
12 41 (2.86%) NetApp
13 36 (2.51%) Percona
14 34 (2.37%) EMC
15 32 (2.23%) F5
16 30 (2.09%) Dell
17 29 (2.02%) Perforce
18 26 (1.81%) Splunk
19 24 (1.67%) Akamai
20 20 (1.40%) Veritas
London
ClearCube Consulting
Salary: From £70,000 to £85,000 per annum + excellent benefits
Posted: 7 hours ago
London
ClearCube Consulting
Salary: From £100,000 to £150,000 per annum Negotiable package
Posted: 7 hours ago
City, London
Harrington Starr
Salary: £55000 - £70000 per annum
Posted: 7 hours ago
London
Burns Sheehan
Salary: £50000 - £65000 per annum + Excelent Benefits
Posted: 19 hours ago
London
Union Visual Effects
Salary: Competitive based on experience + benefits
Posted: Yesterday
London
Search Consultancy
Posted: Yesterday
Berkshire
Vertical IT
Salary: £30000 - £35000 per annum + Benefits to be discussed
Posted: Yesterday
London
Freshtechit
Salary: From £30,000 to £37,000 per annum
Posted: Yesterday
Camberley, Surrey
Peopleworks
Salary: From £35,000 to £40,000 per annum £35,000 to £40,000 Negotiable + 10%
Posted: Yesterday
Windsor, Berkshire
Quant Capital
Salary: Up to £35,000 per annum Bonus Medical Pension (8%)
Posted: Yesterday
City, London
Ashdown IT
Salary: £35000 - £55000 per annum + Benefits
Posted: Yesterday
London
Net Recruit.co.uk Ltd
Salary: Circa £40,000 DOE
Posted: Yesterday
Brighton, East Sussex
Senitor Associates
Salary: £30000 - £40000 per annum + great company
Posted: 2 days ago
Hampshire
Verticality Ltd
Salary: £30000 - £60000 per annum, Benefits plus benefits
Posted: 2 days ago
Essex
Verticality Ltd
Salary: £40000 - £70000 per annum, Benefits plus benefits
Posted: 2 days ago
Hertfordshire
Vertical IT
Salary: £40000 - £50000 per annum + Benefits
Posted: 2 days ago
London
Nicoll Curtin
Salary: £50000 - £65000 per annum + Bonus + Benefits
Posted: 2 days ago
London
Next Ventures Ltd
Salary: From £60,000 to £70,000 per annum
Posted: 2 days ago
Cambridge, Cambridgeshire
ENTERPRISE RECRUITMENT LTD
Salary: £30000 - £39000 per annum, Benefits BUPA, pension + multiple perks
Posted: 2 days ago
Leeds, West Yorkshire
Hotfoot Recruitment
Salary: c£45K + 10% Bonus
Posted: 2 days ago