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

Location
3 months to
2 Mar 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 364 372 394
Rank change year-on-year
+8 +22
Permanent jobs citing CentOS 701 667 599
As % of all permanent IT jobs located in England 0.70% 0.67% 0.59%
As % of the Operating Systems category 2.56% 2.47% 2.16%
Number of salaries quoted 630 594 554
Average salary £45,000 £45,000 £41,500
Average salary % change year-on-year
- +8.43%
90% offered a salary of more than £30,000 £31,000 £28,000
10% offered a salary of more than £65,000 £63,750 £60,000
UK excluding London average salary £42,250 £41,000 £35,500
% change year-on-year
+3.04% +15.49%
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
27380 26990 27794
As % of all permanent IT jobs located in England 27.44% 27.10% 27.59%
Number of salaries quoted 23099 22357 23709
Average salary £41,500 £41,000 £40,000
Average salary % change year-on-year
+1.21% +2.50%
90% offered a salary of more than £24,000 £25,000 £25,000
10% offered a salary of more than £65,000 £62,500 £65,000
UK excluding London average salary £37,500 £37,500 £37,500

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 2 March 2015.

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 2 March 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
London -26 331 £50,000 - 47
South East -4 157 £42,500 -5.55% 22
South West +54 74 £45,000 +18.42% 13
North West +13 41 £37,500 -9.63% 5
Yorkshire +10 36 £40,500 +15.71% 7
East of England -22 26 £55,000 +22.22% 10
West Midlands -21 21 £32,500 - 3
East Midlands +30 18 £35,000 +6.06% 3
North East -15 2 £52,500 +55.55% 3
CentOS
UK

CentOS
Top 30 Related IT Skills in England

For the 6 months to 2 March 2015, 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 1341 (96.61%) Linux
2 914 (65.85%) Red Hat
3 674 (48.56%) Red Hat Enterprise Linux
4 565 (40.71%) Windows
5 562 (40.49%) VMware
6 557 (40.13%) MySQL
7 547 (39.41%) Puppet
8 477 (34.37%) Python
9 467 (33.65%) Bash Shell
10 463 (33.36%) Apache
11 424 (30.55%) Perl
12 419 (30.19%) PHP
13 377 (27.16%) Ubuntu
14 341 (24.57%) VMware Infrastructure
15 330 (23.78%) DevOps
16 282 (20.32%) Firewall
17 277 (19.96%) Ruby
18 276 (19.88%) Opscode Chef
19 270 (19.45%) Debian
20 262 (18.88%) Java
21 255 (18.37%) Tomcat
22 252 (18.16%) Git (software)
23 245 (17.65%) SQL
24 243 (17.51%) Nagios
25 237 (17.07%) TCP/IP
25 237 (17.07%) DNS
26 228 (16.43%) Amazon AWS
27 224 (16.14%) SAN
28 212 (15.27%) Microsoft
29 202 (14.55%) Cisco

CentOS
Top Related IT Skills in England by Category

For the 6 months to 2 March 2015, 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
1 463 (33.36%) Apache
2 255 (18.37%) Tomcat
3 184 (13.26%) nginx
4 123 (8.86%) IIS
5 81 (5.84%) MS Exchange
6 55 (3.96%) JBoss
7 48 (3.46%) OpenStack
8 41 (2.95%) Elasticsearch
9 39 (2.81%) Exchange Server 2010
10 34 (2.45%) Apache Solr
11 32 (2.31%) Confluence
12 28 (2.02%) Node.js
13 26 (1.87%) WordPress
14 25 (1.80%) Lync
15 23 (1.66%) Drupal
15 23 (1.66%) SharePoint
16 22 (1.59%) CMS
17 16 (1.15%) WebLogic
18 14 (1.01%) MediaWiki
19 13 (0.94%) Moodle
Applications
1 106 (7.64%) MS Excel
2 11 (0.79%) Photoshop
3 6 (0.43%) MS Office
4 5 (0.36%) Mingle
5 2 (0.14%) Maya
6 1 (0.072%) 3ds Max
Business Applications
1 17 (1.22%) Magento
2 11 (0.79%) Dynamics CRM
2 11 (0.79%) Oracle General Ledger
3 5 (0.36%) SAP Oil and Gas
4 2 (0.14%) Oracle BPM
5 1 (0.072%) Oracle EBS
Cloud Services
1 228 (16.43%) Amazon AWS
2 87 (6.27%) Amazon EC2
3 60 (4.32%) Amazon S3
4 44 (3.17%) Cloud Computing
5 36 (2.59%) SaaS
6 28 (2.02%) Office 365
7 23 (1.66%) PaaS
8 21 (1.51%) GitHub
9 20 (1.44%) IaaS
9 20 (1.44%) Rackspace Cloud
10 19 (1.37%) Amazon ELB
11 17 (1.22%) Microsoft Azure
12 10 (0.72%) Heroku
12 10 (0.72%) Engine Yard
13 8 (0.58%) Google Cloud Platform
14 6 (0.43%) SoftLayer
15 4 (0.29%) Joyent
16 3 (0.22%) Route 53
16 3 (0.22%) Amazon SQS
16 3 (0.22%) Sumo Logic
Communications & Networking
1 282 (20.32%) Firewall
2 237 (17.07%) TCP/IP
2 237 (17.07%) DNS
3 224 (16.14%) SAN
4 158 (11.38%) VPN
5 126 (9.08%) LAN
6 124 (8.93%) WAN
7 117 (8.43%) LDAP
8 108 (7.78%) SSL
9 105 (7.56%) HTTP
10 84 (6.05%) DHCP
11 79 (5.69%) NAS
12 71 (5.12%) IPsec
13 60 (4.32%) SMTP
14 59 (4.25%) SNMP
15 58 (4.18%) VLAN
16 57 (4.11%) BGP
17 56 (4.03%) Network Security
18 49 (3.53%) Cisco ASA
19 47 (3.39%) OSPF
Database & Business Intelligence
1 557 (40.13%) MySQL
2 162 (11.67%) SQL Server
3 124 (8.93%) PostgreSQL
4 107 (7.71%) MongoDB
5 87 (6.27%) Relational Database
6 80 (5.76%) NoSQL
7 75 (5.40%) Redis
8 49 (3.53%) Hadoop
9 46 (3.31%) Big Data
10 39 (2.81%) Apache Cassandra
11 31 (2.23%) SQL Server 2005
12 29 (2.09%) SQL Server 2008
13 28 (2.02%) Amazon RDS
14 26 (1.87%) MariaDB
15 25 (1.80%) CouchDB
15 25 (1.80%) Oracle Database
16 21 (1.51%) RDBMS
17 19 (1.37%) Amazon DynamoDB
18 18 (1.30%) SQL Server 2012
19 13 (0.94%) Couchbase
Development Applications
1 252 (18.16%) Git (software)
2 188 (13.54%) Jenkins
3 130 (9.37%) Subversion
4 74 (5.33%) JIRA
5 51 (3.67%) Maven
6 50 (3.60%) Hudson
7 25 (1.80%) Mercurial
7 25 (1.80%) Atlassian Bamboo
8 21 (1.51%) Behat
9 18 (1.30%) PHPUnit
10 17 (1.22%) Ant
11 16 (1.15%) Selenium
12 13 (0.94%) Eclipse
12 13 (0.94%) SoapUI
13 10 (0.72%) Visual Studio
14 9 (0.65%) IntelliJ
15 8 (0.58%) TeamCity
15 8 (0.58%) Cucumber
16 7 (0.50%) Appcelerator Titanium
17 6 (0.43%) Yeoman
General
1 120 (8.65%) Finance
2 48 (3.46%) Games
3 47 (3.39%) Telecoms
4 40 (2.88%) Marketing
5 39 (2.81%) Retail
6 31 (2.23%) Banking
6 31 (2.23%) Advertising
7 29 (2.09%) Back Office
8 14 (1.01%) Publishing
9 12 (0.86%) Manufacturing
10 8 (0.58%) Online Betting
11 7 (0.50%) Legal
11 7 (0.50%) Electronics
12 6 (0.43%) Law
13 5 (0.36%) Investment Banking
14 3 (0.22%) Spanish Language
15 2 (0.14%) French Language
15 2 (0.14%) German Language
15 2 (0.14%) Aerospace
15 2 (0.14%) Financial Institution
Job Titles
1 525 (37.82%) Administrator
2 510 (36.74%) Systems Administrator
3 381 (27.45%) Linux Administrator
4 359 (25.86%) Linux Systems Administrator
5 158 (11.38%) DevOps Engineer
6 157 (11.31%) Linux Engineer
7 144 (10.37%) Developer
8 127 (9.15%) Systems Engineer
9 94 (6.77%) Support Engineer
10 82 (5.91%) Infrastructure Engineer
11 78 (5.62%) Linux DevOps Engineer
12 72 (5.19%) Analyst
12 72 (5.19%) Senior Systems Administrator
13 65 (4.68%) PHP Developer
14 51 (3.67%) Senior Linux Administrator
15 47 (3.39%) Senior Linux Systems Administrator
16 38 (2.74%) Web Developer
17 35 (2.52%) Linux Support
18 34 (2.45%) Architect
18 34 (2.45%) Support Analyst
Libraries, Frameworks & Software Standards
1 200 (14.41%) Web Services
2 189 (13.62%) LAMP
3 136 (9.80%) HTML
4 111 (8.00%) CSS
5 68 (4.90%) jQuery
6 58 (4.18%) HTML5
7 51 (3.67%) .NET
8 46 (3.31%) RabbitMQ
9 45 (3.24%) RESTful
10 44 (3.17%) XML
11 41 (2.95%) Symfony
12 38 (2.74%) Memcached
13 36 (2.59%) REST
14 29 (2.09%) Ajax
15 27 (1.95%) XHTML
15 27 (1.95%) MCollective
16 26 (1.87%) XSLT
16 26 (1.87%) CSS3
17 25 (1.80%) SOAP
18 23 (1.66%) ActiveMQ
Miscellaneous
1 146 (10.52%) Open Source
2 94 (6.77%) Clustering
3 84 (6.05%) Analytical Skills
4 55 (3.96%) Computer Science
5 53 (3.82%) Replication
6 31 (2.23%) Derivative
7 25 (1.80%) Streaming Video
7 25 (1.80%) Mobile App
8 22 (1.59%) Wiki
9 19 (1.37%) iPhone
10 18 (1.30%) E-Learning
10 18 (1.30%) CESG
11 17 (1.22%) Hedge funds
12 16 (1.15%) Mathematics
13 15 (1.08%) Digital Media
14 13 (0.94%) PKI
14 13 (0.94%) VLE
14 13 (0.94%) Blackberry
14 13 (0.94%) Device Driver
15 12 (0.86%) Management Information System
Operating Systems
1 1341 (96.61%) Linux
2 674 (48.56%) Red Hat Enterprise Linux
3 565 (40.71%) Windows
4 377 (27.16%) Ubuntu
5 270 (19.45%) Debian
6 200 (14.41%) UNIX
7 191 (13.76%) Windows Server 2008
8 101 (7.28%) Fedora
9 94 (6.77%) Solaris
10 91 (6.56%) Windows Server 2003
11 78 (5.62%) Windows Server 2012
12 64 (4.61%) SUSE
13 54 (3.89%) Windows 7
14 52 (3.75%) Android
15 51 (3.67%) Oracle Linux
16 46 (3.31%) Mac OS X
17 36 (2.59%) Apple iOS
18 35 (2.52%) AIX
19 24 (1.73%) HPUX
20 13 (0.94%) Windows Phone
Processes & Methodologies
1 330 (23.78%) DevOps
2 200 (14.41%) Agile Software Development
3 184 (13.26%) Configuration Management
4 147 (10.59%) E-Commerce
5 140 (10.09%) ITIL
6 139 (10.01%) Continuous Integration
7 125 (9.01%) Load Balancing
8 82 (5.91%) Performance Tuning
9 71 (5.12%) Time Management
10 69 (4.97%) Mentoring
11 62 (4.47%) Scrum
12 57 (4.11%) OO
13 52 (3.75%) Disaster Recovery
14 45 (3.24%) Software Engineering
15 44 (3.17%) Service Delivery
16 39 (2.81%) OOP
17 38 (2.74%) MVC
17 38 (2.74%) Build Automation
18 37 (2.67%) TDD
19 36 (2.59%) Project Management
Programming Languages
1 477 (34.37%) Python
2 467 (33.65%) Bash Shell
3 424 (30.55%) Perl
4 419 (30.19%) PHP
5 277 (19.96%) Ruby
6 262 (18.88%) Java
7 245 (17.65%) SQL
8 157 (11.31%) Shell Script
9 109 (7.85%) JavaScript
10 62 (4.47%) PowerShell
11 53 (3.82%) C++
12 48 (3.46%) PHP5
13 37 (2.67%) C#
14 36 (2.59%) C
15 19 (1.37%) Scala
16 17 (1.22%) T-SQL
17 12 (0.86%) Korn
18 11 (0.79%) AWK
19 10 (0.72%) sed
19 10 (0.72%) Groovy
Qualifications
1 95 (6.84%) Degree
2 79 (5.69%) Cisco Certification
3 55 (3.96%) Security Cleared
4 53 (3.82%) RHCE
5 51 (3.67%) VMware Certified Professional (VCP)
6 49 (3.53%) CCNP
7 40 (2.88%) CCNA
8 39 (2.81%) SC Cleared
9 34 (2.45%) Microsoft Certification
10 32 (2.31%) VCP4
11 31 (2.23%) MCSE
12 27 (1.95%) RHCSA
13 25 (1.80%) DV Cleared
14 15 (1.08%) MCSA
15 12 (0.86%) PMI Certification
15 12 (0.86%) MCP
16 11 (0.79%) MCITP
17 8 (0.58%) PMP
18 7 (0.50%) MCTS
18 7 (0.50%) A+ Certification
Quality Assurance & Compliance
1 49 (3.53%) SLA
2 38 (2.74%) QA
3 21 (1.51%) ISO/IEC 27001
4 12 (0.86%) PCI DSS
5 3 (0.22%) ISO 9001
6 2 (0.14%) ISO 14001
7 1 (0.072%) WAI
System Software
1 341 (24.57%) VMware Infrastructure
2 153 (11.02%) Active Directory
3 146 (10.52%) vSphere
4 71 (5.12%) Samba
5 61 (4.39%) XenServer
6 60 (4.32%) NFS
7 58 (4.18%) Hyper-V
8 53 (3.82%) VMware ESXi
9 49 (3.53%) Varnish
10 44 (3.17%) vCloud
11 40 (2.88%) Docker
12 39 (2.81%) VMware ESX
13 36 (2.59%) Postfix
14 33 (2.38%) Xen
14 33 (2.38%) KVM
15 18 (1.30%) LXC
16 16 (1.15%) Squid
16 16 (1.15%) Terminal Services
17 15 (1.08%) VirtualBox
18 12 (0.86%) Veritas Cluster Server
Systems Management
1 547 (39.41%) Puppet
2 276 (19.88%) Opscode Chef
3 243 (17.51%) Nagios
4 100 (7.20%) ZABBIX
5 77 (5.55%) Ansible
6 61 (4.39%) Vagrant
7 50 (3.60%) Cacti
8 44 (3.17%) Salt
9 35 (2.52%) logstash
10 31 (2.23%) Icinga
11 30 (2.16%) WSUS
12 28 (2.02%) SELinux
13 23 (1.66%) Cobbler
14 21 (1.51%) Zenoss
14 21 (1.51%) Graphite
15 20 (1.44%) HAProxy
16 19 (1.37%) Opsview
17 18 (1.30%) ITRS Geneos
17 18 (1.30%) Red Hat Satellite
18 16 (1.15%) cPanel
Vendors
1 914 (65.85%) Red Hat
2 562 (40.49%) VMware
3 212 (15.27%) Microsoft
4 202 (14.55%) Cisco
5 146 (10.52%) Oracle
6 112 (8.07%) HP
7 100 (7.20%) Citrix
8 77 (5.55%) Juniper
9 59 (4.25%) Zend
10 44 (3.17%) Rackspace
10 44 (3.17%) IBM
11 41 (2.95%) NetApp
12 36 (2.59%) Percona
13 33 (2.38%) EMC
14 31 (2.23%) F5
15 29 (2.09%) Dell
16 26 (1.87%) Splunk
17 24 (1.73%) Akamai
17 24 (1.73%) Perforce
18 21 (1.51%) Bloomberg
Leeds, West Yorkshire
TEKsystems
Salary: £25000 - £55000 per annum + Bonus + Pension + Package
Posted: 3 hours ago
London
Harvey Nash plc
Salary: £50000 per annum
Posted: 3 hours ago
Guildford, Surrey
Opus Recruitment Solutions Ltd
Salary: £50000 - £60000 per annum
Posted: 3 hours ago
London
Austin Fraser
Salary: £45000.00 - £55000.00 per annum + Bens
Posted: 4 hours ago
London
Austin Fraser
Salary: £60000.00 - £80000.00 per annum + + Stock
Posted: 4 hours ago
London
Harvey Nash plc
Salary: £45000 - £65000 per annum
Posted: 4 hours ago
Cambridge, Cambridgeshire
EXCELerate
Salary: Up to £70k plus Health, Life Insurance, Pension
Posted: 4 hours ago
Cambridge, Cambridgeshire
Cooper Lomaz Recruitment Ltd
Salary: £45k - 60k per year
Posted: 4 hours ago
Central London / West End
Evolution Recruitment Solutions
Salary: 45,000-47,500 plus benefits
Posted: 5 hours ago
Manchester, Lancashire
Adria Solutions Ltd
Salary: £25000 - £28000 per annum + Benefits
Posted: 5 hours ago
London
Next Ventures Ltd
Salary: From £60,000 to £90,000 per annum
Posted: 5 hours ago
Windsor, Berkshire
Quant Capital
Salary: Up to £35,000 per annum Bonus Medical Pension (8%)
Posted: 5 hours ago
Berkshire
Vertical IT
Salary: £30000 - £35000 per annum + Benefits to be discussed
Posted: 7 hours ago
Bristol, Avon
ISL
Salary: £35000 - £40000 per annum
Posted: 7 hours ago
Hampshire
Tank Recruitment
Salary: £40000 - £55000 per annum
Posted: 9 hours ago
Central London / West End
Digitech Resourcing Ltd
Salary: £50,000 per annum + benefits
Posted: 13 hours ago
Abingdon, Oxfordshire
RM Education
Salary: £32k - £38k per annum + 5% bonus
Posted: Yesterday
London
ClearCube Consulting
Salary: From £70,000 to £85,000 per annum + excellent benefits
Posted: 2 days ago
London
ClearCube Consulting
Salary: From £100,000 to £150,000 per annum Negotiable package
Posted: 2 days ago
City, London
Harrington Starr
Salary: £55000 - £70000 per annum
Posted: 2 days ago