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 8 February 2016 with a comparison to the same period in the previous 2 years.

Location
3 months to
8 Feb 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 403 425 405
Rank change year-on-year
+22 -20
Permanent jobs citing CentOS 740 688 696
As % of all permanent IT jobs located in the UK 0.73% 0.65% 0.67%
As % of the Operating Systems category 2.79% 2.36% 2.45%
Number of salaries quoted 669 622 636
Average salary £50,000 £45,000 £46,500
Average salary % change year-on-year
+11.11% -3.22%
90% offered a salary of more than £32,500 £30,000 £32,500
10% offered a salary of more than £70,000 £60,000 £62,500
UK excluding London average salary £45,000 £41,000 £44,000
% change year-on-year
+9.75% -6.81%

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
26481 29181 28358
As % of all permanent IT jobs located in the UK 26.11% 27.39% 27.48%
Number of salaries quoted 22342 24477 23378
Average salary £42,000 £40,000 £40,000
Average salary % change year-on-year
+5.00% -
90% offered a salary of more than £25,000 £24,250 £24,500
10% offered a salary of more than £65,000 £65,000 £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 8 February 2016 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 8 February 2016. 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 +17 713 £50,000 +11.11% 127
London +24 364 £55,000 +10.00% 48
South East +47 192 £47,500 +11.76% 33
Berkshire +1 60 £50,000 +25.00% 11
Surrey +35 49 £55,000 - 9
North West +33 47 £40,000 +6.66% 13
Manchester +45 43 £40,000 +18.51% 6
Hampshire +22 43 £37,500 -16.66% 6
Yorkshire +13 38 £40,000 -3.03% 11
Reading +5 33 £40,000 +77.77% 9
City of London +42 29 £60,000 +9.09% 11
Oxfordshire 0 28 £47,000 +9.30% 2
South West -31 26 £40,000 -5.88% 7
Portsmouth +25 21 £37,500 -16.66% 2
Egham +21 21 £55,000 - 2
East of England +3 21 £37,500 -30.55% 2
West Yorkshire +8 18 £67,500 +86.85% 3
Oxford -6 16 £46,000 +6.97% 1
West Midlands -21 16 £42,500 +30.76% 8
Gloucestershire +11 14 £37,500 -26.82% 5
Brentford - 14 £37,500 - 1
Cambridgeshire +15 13 £35,000 -30.00%
Hammersmith -1 13 £65,000 +33.33%
North Yorkshire +24 9 £34,500 -23.33% 5
Cambridge +3 9 £32,500 -38.09%
Southampton - 9 £22,500 - 1
Cwmbran +4 8 £45,000 -
Torfaen +4 8 £45,000 -
Wales +1 8 £45,000 +20.00% 1
Hertfordshire 0 8 £44,000 -20.00%

CentOS
Top 30 Related IT Skills

For the 6 months to 8 February 2016, 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 1391 (93.48%) Linux
2 798 (53.63%) Red Hat
3 689 (46.30%) Red Hat Enterprise Linux
4 603 (40.52%) Python
5 585 (39.31%) Puppet
6 557 (37.43%) Bash Shell
7 500 (33.60%) VMware
8 481 (32.33%) MySQL
9 472 (31.72%) Windows
10 471 (31.65%) Perl
11 424 (28.49%) Apache
12 422 (28.36%) DevOps
13 398 (26.75%) Amazon AWS
14 350 (23.52%) Ubuntu
15 340 (22.85%) LAMP
16 338 (22.72%) Java
17 332 (22.31%) Configuration Management
17 332 (22.31%) Agile Software Development
18 330 (22.18%) VMware Infrastructure
19 320 (21.51%) PHP
20 314 (21.10%) Opscode Chef
21 267 (17.94%) Unix
22 258 (17.34%) SQL
22 258 (17.34%) Jenkins
22 258 (17.34%) Git (software)
23 243 (16.33%) Ruby
24 241 (16.20%) Firewall
25 238 (15.99%) Windows Server
26 235 (15.79%) Nagios
27 234 (15.73%) TCP/IP

CentOS
Top Related IT Skills by Category

For the 6 months to 8 February 2016, 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
1 424 (28.49%) Apache
2 225 (15.12%) Tomcat
3 143 (9.61%) nginx
4 115 (7.73%) OpenStack
5 72 (4.84%) JBoss
6 68 (4.57%) IIS
7 56 (3.76%) MS Exchange
8 45 (3.02%) Elasticsearch
9 41 (2.76%) Moodle
10 36 (2.42%) Confluence
11 35 (2.35%) Exchange Server 2010
12 32 (2.15%) Node.js
13 27 (1.81%) Apache Spark
13 27 (1.81%) SharePoint
14 22 (1.48%) WordPress
15 20 (1.34%) Drupal
16 16 (1.08%) Skype for Business
17 12 (0.81%) Joomla!
18 10 (0.67%) CMS
18 10 (0.67%) Exchange Server 2007
Applications
1 75 (5.04%) MS Excel
2 22 (1.48%) MS Visio
3 15 (1.01%) MS PowerPoint
4 11 (0.74%) MS Office
5 6 (0.40%) MS Project
5 6 (0.40%) Photoshop
6 3 (0.20%) HipChat
7 1 (0.067%) Doxygen
7 1 (0.067%) Spreadsheet
Business Applications
1 13 (0.87%) Magento
2 8 (0.54%) SAP Oil and Gas
3 3 (0.20%) Unit4 Business World
4 2 (0.13%) Dynamics CRM
5 1 (0.067%) Documaker
5 1 (0.067%) Eloqua
5 1 (0.067%) Oracle Retail
Cloud Services
1 398 (26.75%) Amazon AWS
2 91 (6.12%) Amazon EC2
3 56 (3.76%) GitHub
4 53 (3.56%) Amazon S3
5 52 (3.49%) Microsoft Azure
6 50 (3.36%) IaaS
6 50 (3.36%) SaaS
7 44 (2.96%) AWS CloudFormation
8 39 (2.62%) Virtual Private Cloud
9 31 (2.08%) Cloud Computing
10 22 (1.48%) Amazon ELB
11 20 (1.34%) Amazon CloudWatch
12 19 (1.28%) Route 53
13 14 (0.94%) Office 365
14 13 (0.87%) PaaS
15 7 (0.47%) CloudFront
16 5 (0.34%) Google Cloud Platform
17 4 (0.27%) Amazon ElastiCache
17 4 (0.27%) Datadog
18 3 (0.20%) DigitalOcean
Communications & Networking
1 241 (16.20%) Firewall
2 234 (15.73%) TCP/IP
3 203 (13.64%) DNS
4 141 (9.48%) SAN
5 120 (8.06%) VPN
6 114 (7.66%) LAN
7 95 (6.38%) WAN
8 92 (6.18%) SSL
9 84 (5.65%) LDAP
10 80 (5.38%) DHCP
11 71 (4.77%) SSH
12 65 (4.37%) NAS
12 65 (4.37%) VLAN
13 55 (3.70%) IPsec
13 55 (3.70%) Network Security
14 49 (3.29%) iSCSI
15 40 (2.69%) BGP
16 39 (2.62%) Internet
17 38 (2.55%) SNMP
18 36 (2.42%) FTP
Database & Business Intelligence
1 481 (32.33%) MySQL
2 149 (10.01%) SQL Server
3 142 (9.54%) MongoDB
4 132 (8.87%) PostgreSQL
5 83 (5.58%) Redis
6 72 (4.84%) NoSQL
7 63 (4.23%) Hadoop
8 62 (4.17%) Apache Cassandra
9 39 (2.62%) Big Data
10 38 (2.55%) Relational Database
11 25 (1.68%) Amazon RDS
11 25 (1.68%) CouchDB
11 25 (1.68%) OpenTSDB
12 20 (1.34%) Oracle Database
12 20 (1.34%) SQL Server 2008
13 16 (1.08%) Apache Hive
13 16 (1.08%) HBase
14 14 (0.94%) RDBMS
15 8 (0.54%) DB2
16 7 (0.47%) SQL Server 2012
Development Applications
1 258 (17.34%) Git (software)
1 258 (17.34%) Jenkins
2 120 (8.06%) Subversion
3 77 (5.17%) Maven
4 63 (4.23%) JIRA
5 57 (3.83%) Atlassian Bamboo
6 46 (3.09%) Selenium
7 45 (3.02%) Vagrant
8 41 (2.76%) PHPUnit
9 35 (2.35%) Hudson
10 33 (2.22%) TeamCity
11 27 (1.81%) Cucumber
12 23 (1.55%) Sonatype Nexus
13 21 (1.41%) Eclipse
14 13 (0.87%) Octopus Deploy
15 12 (0.81%) GitLab
15 12 (0.81%) Gradle
16 11 (0.74%) Appium
17 10 (0.67%) Mocha
17 10 (0.67%) SonarQube
General
1 155 (10.42%) Finance
2 80 (5.38%) Marketing
3 71 (4.77%) Telecoms
4 68 (4.57%) Games
5 52 (3.49%) Retail
6 27 (1.81%) Banking
7 20 (1.34%) Advertising
7 20 (1.34%) Back Office
8 18 (1.21%) Online Betting
9 16 (1.08%) Manufacturing
10 11 (0.74%) Electronics
11 6 (0.40%) Billing
11 6 (0.40%) Law
12 5 (0.34%) Aerospace
13 3 (0.20%) Publishing
14 2 (0.13%) Brand Awareness
14 2 (0.13%) Financial Institution
15 1 (0.067%) Arabic Language
15 1 (0.067%) Multimedia
15 1 (0.067%) Portuguese Language
Job Titles
1 477 (32.06%) Administrator
2 427 (28.70%) Systems Administrator
3 418 (28.09%) Linux Administrator
4 369 (24.80%) Linux Systems Administrator
5 351 (23.59%) Linux Engineer
6 256 (17.20%) DevOps Engineer
7 149 (10.01%) Linux/Unix DevOps
8 141 (9.48%) Developer
9 117 (7.86%) Systems Engineer
10 114 (7.66%) Linux DevOps Engineer
11 100 (6.72%) Linux Support
12 92 (6.18%) Infrastructure Engineer
13 90 (6.05%) Support Engineer
14 88 (5.91%) Analyst
15 78 (5.24%) Linux Systems Engineer
16 65 (4.37%) PHP Developer
17 58 (3.90%) Linux Support Engineer
18 49 (3.29%) Automation Engineer
19 48 (3.23%) AWS Engineer
20 47 (3.16%) Network Engineer
Libraries, Frameworks & Software Standards
1 340 (22.85%) LAMP
2 191 (12.84%) Web Services
3 101 (6.79%) LEMP Stack
4 86 (5.78%) jQuery
5 83 (5.58%) CSS
6 79 (5.31%) HTML
7 54 (3.63%) Ajax
8 51 (3.43%) LAPP Stack
9 50 (3.36%) XML
10 45 (3.02%) Memcached
11 42 (2.82%) SOAP
12 40 (2.69%) JSON
13 39 (2.62%) REST
14 35 (2.35%) .NET
15 32 (2.15%) Middleware
15 32 (2.15%) RabbitMQ
16 28 (1.88%) ActiveMQ
17 27 (1.81%) Spring
18 26 (1.75%) RESTful
19 24 (1.61%) HTML5
Miscellaneous
1 149 (10.01%) Data Centre
2 81 (5.44%) Computer Science
3 69 (4.64%) Management Information System
4 61 (4.10%) Analytical Skills
5 43 (2.89%) User Experience
6 38 (2.55%) Clustering
6 38 (2.55%) Private Cloud
7 35 (2.35%) Mathematics
8 34 (2.28%) VLE
9 33 (2.22%) e-Learning
10 32 (2.15%) Learning Management System
11 27 (1.81%) Online Games
12 25 (1.68%) Derivative
12 25 (1.68%) Statistics
13 23 (1.55%) Replication
14 22 (1.48%) EMC VNX
14 22 (1.48%) Hedge funds
15 21 (1.41%) Mobile App
16 19 (1.28%) Hybrid Cloud
17 17 (1.14%) Algorithms
Operating Systems
1 1391 (93.48%) Linux
2 689 (46.30%) Red Hat Enterprise Linux
3 472 (31.72%) Windows
4 350 (23.52%) Ubuntu
5 267 (17.94%) Unix
6 238 (15.99%) Windows Server
7 226 (15.19%) Debian
8 122 (8.20%) Windows Server 2008
9 79 (5.31%) Windows Server 2012
10 64 (4.30%) Fedora
11 53 (3.56%) Solaris
12 43 (2.89%) SUSE
13 42 (2.82%) Windows Server 2003
14 33 (2.22%) Oracle Linux
15 24 (1.61%) AIX
16 22 (1.48%) Android
17 18 (1.21%) Amazon Linux
17 18 (1.21%) Windows 7
18 12 (0.81%) Windows Phone
19 9 (0.60%) Windows 8
Processes & Methodologies
1 422 (28.36%) DevOps
2 332 (22.31%) Agile Software Development
2 332 (22.31%) Configuration Management
3 194 (13.04%) Continuous Integration
4 175 (11.76%) ITIL
5 169 (11.36%) Open Source
6 121 (8.13%) E-Commerce
7 112 (7.53%) Scrum
8 100 (6.72%) Load Balancing
9 99 (6.65%) High Availability
10 71 (4.77%) Disaster Recovery
11 68 (4.57%) Web Development
12 60 (4.03%) Project Management
13 59 (3.97%) Security Management
14 54 (3.63%) Mentoring
15 53 (3.56%) Performance Tuning
16 51 (3.43%) Continuous Delivery
17 49 (3.29%) Software Engineering
18 47 (3.16%) Information Security
19 45 (3.02%) Build Automation
Programming Languages
1 603 (40.52%) Python
2 557 (37.43%) Bash Shell
3 471 (31.65%) Perl
4 338 (22.72%) Java
5 320 (21.51%) PHP
6 258 (17.34%) SQL
7 243 (16.33%) Ruby
8 151 (10.15%) JavaScript
9 112 (7.53%) Shell Script
10 78 (5.24%) PowerShell
11 75 (5.04%) C
12 68 (4.57%) C++
13 50 (3.36%) C#
14 24 (1.61%) AWK
15 20 (1.34%) Scala
16 16 (1.08%) T-SQL
17 13 (0.87%) Korn
17 13 (0.87%) Tcl
18 11 (0.74%) Groovy
19 9 (0.60%) Go
Qualifications
1 142 (9.54%) Degree
2 109 (7.33%) Cisco Certification
3 84 (5.65%) CCNA
4 83 (5.58%) Security Cleared
5 65 (4.37%) RHCE
6 54 (3.63%) SC Cleared
7 48 (3.23%) CCNP
8 43 (2.89%) RHCSA
8 43 (2.89%) VMware Certified Professional (VCP)
9 27 (1.81%) Microsoft Certification
10 23 (1.55%) MCSE
11 16 (1.08%) PhD
12 13 (0.87%) MCP
13 11 (0.74%) A+ Certification
14 10 (0.67%) CISSP
15 9 (0.60%) MCITP
16 8 (0.54%) CCIE
16 8 (0.54%) JNCIP
17 7 (0.47%) Network+ Certification
17 7 (0.47%) Security+ Certification
Quality Assurance & Compliance
1 60 (4.03%) QA
2 42 (2.82%) SLA
3 29 (1.95%) ISO/IEC 27001
4 18 (1.21%) PCI DSS
5 6 (0.40%) ISO 14001
5 6 (0.40%) ISO 9001
6 5 (0.34%) GPG13
7 3 (0.20%) COBIT
8 1 (0.067%) 21 CFR Part 11
System Software
1 330 (22.18%) VMware Infrastructure
2 192 (12.90%) Active Directory
3 127 (8.53%) KVM
4 125 (8.40%) vSphere
5 110 (7.39%) Xen
6 97 (6.52%) Docker
7 72 (4.84%) iptables
8 63 (4.23%) NFS
9 60 (4.03%) Varnish
10 59 (3.97%) Hyper-V
11 54 (3.63%) XenServer
12 52 (3.49%) vCloud
13 44 (2.96%) VMware ESX
14 34 (2.28%) Postfix
15 31 (2.08%) VMware ESXi
16 27 (1.81%) Squid
17 20 (1.34%) QEMU
18 18 (1.21%) RHEV
19 15 (1.01%) Sendmail
19 15 (1.01%) VirtualBox
Systems Management
1 585 (39.31%) Puppet
2 314 (21.10%) Opscode Chef
3 235 (15.79%) Nagios
4 231 (15.52%) Ansible
5 70 (4.70%) ZABBIX
6 48 (3.23%) Salt
7 43 (2.89%) Zenoss
8 41 (2.76%) WSUS
9 37 (2.49%) Cacti
10 35 (2.35%) Graphite
11 33 (2.22%) Red Hat Spacewalk
11 33 (2.22%) yum
12 25 (1.68%) CFEngine
13 24 (1.61%) HAProxy
13 24 (1.61%) logstash
14 23 (1.55%) Packer
14 23 (1.55%) SELinux
15 22 (1.48%) Icinga
16 20 (1.34%) Backup Exec
17 19 (1.28%) NetBackup
Vendors
1 798 (53.63%) Red Hat
2 500 (33.60%) VMware
3 202 (13.58%) Cisco
4 193 (12.97%) Microsoft
5 157 (10.55%) Oracle
6 99 (6.65%) HP
7 87 (5.85%) Citrix
8 56 (3.76%) Rackspace
9 55 (3.70%) Splunk
10 54 (3.63%) NetApp
11 51 (3.43%) SaltStack
12 48 (3.23%) Atlassian
13 47 (3.16%) Juniper
14 45 (3.02%) EMC
14 45 (3.02%) IBM
15 38 (2.55%) Dell
16 34 (2.28%) New Relic
17 32 (2.15%) Bloomberg
18 25 (1.68%) Percona
19 24 (1.61%) F5
Manchester, Lancashire
Greywood Associates Limited
Salary: £30000 - £40000 per annum + bens
Posted: 22 minutes ago
West London
Aalto Invest
Posted: 2 hours ago
City, London
Vertical IT
Salary: £40000 - £65000 per annum + Fantastic Benefits
Posted: 3 hours ago
Reading, Berkshire
Marcus Donald People
Salary: £45000 - £50000 per annum
Posted: 3 hours ago
Birmingham, West Midlands (County)
HAYS INFORMATION TECHNOLOGY
Salary: £24000.00 - £28000.00 per annum
Posted: 5 hours ago
Romford, Essex
Oscar
Salary: £30000 - £40000 per annum
Posted: 7 hours ago
Romford, Essex
Oscar
Salary: £35000 - £40000 per annum
Posted: 7 hours ago
Reading, Berkshire
Deanslist Limited
Salary: From £20,000 to £30,000 per annum + Bonus + Benefits
Posted: 15 hours ago
Reading, Berkshire
Deanslist Limited
Salary: From £45,000 to £65,000 per annum + Bonus + Benefits
Posted: 15 hours ago
Redhill, Surrey
Stafford-Sharp Associates
Salary: From £30,000 to £40,000 per annum
Posted: 18 hours ago
Egham, Surrey
Spargonet Consulting Plc
Salary: £55000 - £60000 per annum, Benefits Pension, Health, Life and 25 days
Posted: 23 hours ago
Bracknell, Berkshire
Spargonet Consulting Plc
Salary: £50000 - £60000 per annum, Benefits Excellent Company Benefits
Posted: 23 hours ago
London
Spargonet Consulting Plc
Salary: £50000 - £60000 per annum, Benefits Plus Benefits
Posted: 23 hours ago
London
ClearCube Consulting
Salary: From £65,000 to £75,000 per annum + excellent benefits
Posted: 2 days ago
Gloucestershire
Executive Recruitment Services (ERS)
Posted: 2 days ago
City, London
Harrington Starr
Salary: £70000 - £90000 per annum
Posted: 2 days ago
City, London
Harrington Starr
Salary: £70000 - £85000 per annum
Posted: 2 days ago
London
ARC IT Recruitment Ltd
Salary: £30000 - £45000 Per Annum
Posted: 2 days ago
York, North Yorkshire
Searchability
Salary: £40000 - £50000 per annum
Posted: 2 days ago
Bradford, West Yorkshire
Searchability
Salary: £35000 - £45000 per annum
Posted: 2 days ago
Newcastle Upon Tyne, Tyne and Wear
Opus Recruitment Solutions Ltd
Salary: £35000 - £45000 per annum, Benefits Benifits
Posted: 2 days ago
London
Tribal Worldwide
Posted: 2 days ago
London
Tribal Worldwide
Posted: 2 days ago
South West London
First Point
Salary: £60000.00 - £80000.00 per annum
Posted: 2 days ago
Reading, Berkshire
Searchability
Salary: £40000 - £55000 per annum + benefits
Posted: 2 days ago
Liverpool, Merseyside
Senitor Associates
Salary: £50000 per annum
Posted: 2 days ago
Manchester, Lancashire
Chassam Contract
Salary: From £35,000 to £45,000 per annum
Posted: 2 days ago
Harrogate, North Yorkshire
Senitor Associates
Salary: £37000 per annum + On Call
Posted: 2 days ago
Sandbach, Cheshire
Applause IT Innovation
Salary: £25000 - £32000 per annum + Benefits
Posted: 2 days ago
Milton Keynes, Buckinghamshire
Timothy James Consulting Ltd
Salary: £45k - 50k per year
Posted: 3 days ago