The table below looks at the statistics for CentOS skills in IT jobs advertised across the UK. Included is a guide to the salaries offered in IT jobs that have cited CentOS over the 3 months to 1 July 2016 with a comparison to the same period over the previous 2 years.

3 months to
1 Jul 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 390 441 446
Rank change year-on-year
+51 +5
Permanent jobs citing CentOS 730 691 713
As % of all permanent IT jobs located in the UK 0.75% 0.62% 0.59%
As % of the Operating Systems category 2.94% 2.35% 2.22%
Number of salaries quoted 632 599 635
Median salary £50,000 £45,000 £42,500
Median salary % change year-on-year
+11.11% +5.88%
90% offered a salary of more than £35,000 £31,000 £29,000
10% offered a salary of more than £75,000 £65,000 £60,000
UK excluding London median salary £47,500 £41,250 £38,500
% change year-on-year
+15.15% +7.14%

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
24808 29372 32142
As % of all permanent IT jobs located in the UK 25.43% 26.51% 26.72%
Number of salaries quoted 21213 24595 27042
Median salary £42,500 £40,000 £40,000
Median salary % change year-on-year
+6.25% -
90% offered a salary of more than £25,000 £24,500 £25,000
10% offered a salary of more than £67,500 £65,000 £65,000
UK excluding London median salary £38,000 £37,500 £36,000
% change year-on-year
+1.33% +4.16%

CentOS
Jobs Demand Trend

The demand trend of job ads citing CentOS as a proportion of all IT jobs with a match in 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 1 July 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 median salaries quoted in IT jobs citing CentOS within the UK over the 3 months to 1 July 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
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +51 701 £50,000 +5.26% 116
London +75 371 £55,000 - 55
South East +39 173 £52,500 +23.52% 27
Berkshire +32 85 £55,000 +29.41% 5
Hampshire +3 44 £47,500 +11.76% 13
East Midlands +40 35 £42,500 +36.00% 9
North West +23 35 £37,500 - 3
Manchester +20 27 £38,000 +1.33% 2
Reading -19 26 £60,000 +41.17% 4
City of London +40 25 £50,000 - 16
Surrey +28 24 £55,000 +10.00% 6
East of England +26 24 £49,000 +8.88% 5
Yorkshire +3 24 £40,250 +23.84% 5
Maidenhead +11 21 £38,000 -10.58% 1
South West -27 20 £42,500 +13.33% 6
Egham - 16 £62,500 - 1
Windsor - 16 £47,500 -
Gloucestershire +8 14 £43,750 +25.00% 4
West Midlands -2 14 £41,500 +3.75% 4
Lincolnshire - 13 £42,500 - 4
West Yorkshire +23 12 £47,500 +35.23% 1
Leeds +17 12 £47,500 +35.23% 1
Cambridge +2 12 £45,000 +5.88% 2
Southampton +2 12 £37,500 +15.38% 9
Cambridgeshire -13 12 £45,000 +2.85% 2
Leicestershire - 12 £42,500 -
North Yorkshire +15 11 £40,250 +23.84% 3
Lincoln - 11 £42,500 - 4
Hertfordshire +21 10 £52,500 -4.54% 2
Scotland +7 10 £55,000 - 3

CentOS
Top 30 Related IT Skills

For the 6 months to 1 July 2016, IT jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads with a requirement for CentOS.

1 1490 (99.93%) Linux
2 797 (53.45%) Red Hat
3 624 (41.85%) Puppet
4 604 (40.51%) Red Hat Enterprise Linux
5 570 (38.23%) Python
6 543 (36.42%) VMware
7 513 (34.41%) DevOps
8 471 (31.59%) Bash Shell
9 466 (31.25%) MySQL
10 461 (30.92%) Amazon AWS
11 450 (30.18%) Windows
12 427 (28.64%) Ubuntu
13 411 (27.57%) Apache
14 389 (26.09%) Agile Software Development
15 378 (25.35%) Perl
16 377 (25.29%) Ansible
17 372 (24.95%) Jenkins
18 360 (24.14%) Java
19 338 (22.67%) Opscode Chef
20 331 (22.20%) Configuration Management
21 330 (22.13%) VMware Infrastructure
22 302 (20.25%) Ruby
23 289 (19.38%) DNS
24 285 (19.11%) Nagios
24 285 (19.11%) Firewall
25 284 (19.05%) Cisco
26 278 (18.65%) Tomcat
27 275 (18.44%) Git (software)
28 265 (17.77%) LAMP
29 263 (17.64%) PHP

CentOS
Top Related IT Skills by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 411 (27.57%) Apache
2 278 (18.65%) Tomcat
3 146 (9.79%) nginx
4 109 (7.31%) OpenStack
5 87 (5.84%) JBoss
6 74 (4.96%) Elasticsearch
6 74 (4.96%) IIS
7 49 (3.29%) WebSphere
8 45 (3.02%) Confluence
9 29 (1.95%) MS Exchange
10 28 (1.88%) CMS
11 24 (1.61%) Apache Spark
12 23 (1.54%) WebSphere Application Server
13 21 (1.41%) SharePoint
14 14 (0.94%) WebLogic
14 14 (0.94%) WordPress
15 12 (0.80%) Exchange Server 2010
15 12 (0.80%) Exchange Server 2013
16 11 (0.74%) Moodle
16 11 (0.74%) WildFly
Applications
1 66 (4.43%) MS Excel
2 20 (1.34%) MS Visio
3 13 (0.87%) MS Office
3 13 (0.87%) MS PowerPoint
4 6 (0.40%) Photoshop
5 3 (0.20%) Adobe Illustrator
6 1 (0.067%) HipChat
6 1 (0.067%) MS Project
Business Applications
1 7 (0.47%) Magento
2 3 (0.20%) Documaker
2 3 (0.20%) Remedy ITSM
2 3 (0.20%) Shopify
3 2 (0.13%) CODA-Financials
3 2 (0.13%) Dynamics CRM
3 2 (0.13%) SAP Oil and Gas
4 1 (0.067%) Oracle Retail
4 1 (0.067%) Unit4 Business World
Cloud Services
1 461 (30.92%) Amazon AWS
2 83 (5.57%) Microsoft Azure
3 78 (5.23%) Amazon EC2
4 74 (4.96%) SaaS
5 55 (3.69%) AWS CloudFormation
6 53 (3.55%) Amazon S3
7 48 (3.22%) IaaS
8 43 (2.88%) Cloud Computing
9 36 (2.41%) CloudBees
10 35 (2.35%) GitHub
11 34 (2.28%) PaaS
12 29 (1.95%) Virtual Private Cloud
13 19 (1.27%) Office 365
14 18 (1.21%) Amazon ELB
15 17 (1.14%) Amazon CloudWatch
16 13 (0.87%) Route 53
17 12 (0.80%) Azure Active Directory
18 10 (0.67%) AWS OpsWorks
18 10 (0.67%) OpenShift
19 9 (0.60%) CloudFront
Communications & Networking
1 289 (19.38%) DNS
2 285 (19.11%) Firewall
3 213 (14.29%) SAN
4 208 (13.95%) TCP/IP
5 105 (7.04%) LAN
6 100 (6.71%) LDAP
7 95 (6.37%) WAN
8 64 (4.29%) Internet
9 63 (4.23%) DHCP
9 63 (4.23%) VPN
10 59 (3.96%) SSL
11 57 (3.82%) Cisco Nexus
12 56 (3.76%) Network Security
13 49 (3.29%) NAS
14 48 (3.22%) Kerberos
14 48 (3.22%) VoIP
15 47 (3.15%) VLAN
16 42 (2.82%) SMTP
17 37 (2.48%) FTP
17 37 (2.48%) SSH
Database & Business Intelligence
1 466 (31.25%) MySQL
2 173 (11.60%) MongoDB
3 165 (11.07%) PostgreSQL
4 144 (9.66%) SQL Server
5 74 (4.96%) Hadoop
5 74 (4.96%) NoSQL
6 73 (4.90%) Apache Cassandra
7 57 (3.82%) Redis
8 50 (3.35%) Big Data
9 44 (2.95%) Oracle Database
10 35 (2.35%) Amazon RDS
11 26 (1.74%) DB2
12 21 (1.41%) Relational Database
13 18 (1.21%) CouchDB
14 16 (1.07%) MariaDB
15 13 (0.87%) SQL Server 2008
16 9 (0.60%) Aerospike
16 9 (0.60%) DataStax
17 8 (0.54%) Apache Hive
18 7 (0.47%) GIS
Development Applications
1 372 (24.95%) Jenkins
2 275 (18.44%) Git (software)
3 109 (7.31%) Maven
4 90 (6.04%) Subversion
5 76 (5.10%) JIRA
6 67 (4.49%) Vagrant
7 57 (3.82%) Atlassian Bamboo
8 49 (3.29%) TeamCity
9 38 (2.55%) Sonatype Nexus
10 36 (2.41%) Selenium
11 27 (1.81%) Travis CI
12 23 (1.54%) PHPUnit
13 20 (1.34%) Ant
13 20 (1.34%) Eclipse
14 19 (1.27%) Cucumber
15 18 (1.21%) Gradle
16 17 (1.14%) GitLab
17 12 (0.80%) IntelliJ
18 11 (0.74%) GCC
19 10 (0.67%) Mercurial
General
1 189 (12.68%) Finance
2 70 (4.69%) Marketing
3 68 (4.56%) Telecoms
4 55 (3.69%) Games
5 46 (3.09%) Retail
6 34 (2.28%) Banking
7 19 (1.27%) Advertising
8 13 (0.87%) Pharmaceutical
8 13 (0.87%) Publishing
9 11 (0.74%) Back Office
10 10 (0.67%) Manufacturing
11 8 (0.54%) Law
12 7 (0.47%) French Language
13 5 (0.34%) Aerospace
13 5 (0.34%) Electronics
14 4 (0.27%) Online Betting
15 2 (0.13%) Billing
15 2 (0.13%) Investment Banking
15 2 (0.13%) Retail Banking
16 1 (0.067%) Multimedia
Job Titles
1 447 (29.98%) Administrator
2 353 (23.68%) Linux Administrator
3 338 (22.67%) Systems Administrator
4 330 (22.13%) Linux Engineer
5 280 (18.78%) Linux Systems Administrator
6 278 (18.65%) DevOps Engineer
7 158 (10.60%) Linux/Unix DevOps
8 124 (8.32%) Linux DevOps Engineer
9 106 (7.11%) Systems Engineer
10 97 (6.51%) Infrastructure Engineer
11 93 (6.24%) Support Engineer
12 92 (6.17%) Cloud Engineer
13 91 (6.10%) Developer
14 81 (5.43%) Analyst
15 72 (4.83%) Linux Systems Engineer
16 70 (4.69%) Linux Support
17 67 (4.49%) AWS Engineer
18 65 (4.36%) Senior Linux Administrator
19 64 (4.29%) Senior DevOps
20 62 (4.16%) Consultant
Libraries, Frameworks & Software Standards
1 265 (17.77%) LAMP
2 192 (12.88%) Web Services
3 74 (4.96%) LEMP Stack
4 69 (4.63%) HTML
5 62 (4.16%) CSS
6 56 (3.76%) XML
7 49 (3.29%) JSON
8 47 (3.15%) ELK Stack
8 47 (3.15%) REST
9 45 (3.02%) LAPP Stack
10 44 (2.95%) SOAP
11 41 (2.75%) Memcached
12 38 (2.55%) Middleware
13 36 (2.41%) Node.js
14 35 (2.35%) jQuery
15 31 (2.08%) RESTful
16 29 (1.95%) RabbitMQ
16 29 (1.95%) Spring
17 28 (1.88%) ActiveMQ
18 27 (1.81%) HTML5
Miscellaneous
1 163 (10.93%) Data Centre
2 84 (5.63%) Computer Science
3 61 (4.09%) Analytical Skills
4 41 (2.75%) Clustering
5 39 (2.62%) Fintech
6 37 (2.48%) User Experience
7 30 (2.01%) Management Information System
7 30 (2.01%) Statistics
8 28 (1.88%) EMC VNX
9 26 (1.74%) Replication
10 25 (1.68%) Algorithms
11 23 (1.54%) Mathematics
12 20 (1.34%) Wiki
13 19 (1.27%) Cyberthreat
14 18 (1.21%) Enterprise Software
14 18 (1.21%) IPTV
14 18 (1.21%) Over-the-Top Content
15 17 (1.14%) Mobile App
16 16 (1.07%) iPad
16 16 (1.07%) Private Cloud
Operating Systems
1 1490 (99.93%) Linux
2 604 (40.51%) Red Hat Enterprise Linux
3 450 (30.18%) Windows
4 427 (28.64%) Ubuntu
5 256 (17.17%) Unix
6 226 (15.16%) Windows Server
7 201 (13.48%) Debian
8 150 (10.06%) Windows Server 2008
9 101 (6.77%) Windows Server 2012
10 63 (4.23%) Solaris
11 44 (2.95%) Fedora
12 33 (2.21%) Windows Server 2003
13 31 (2.08%) Oracle Linux
14 30 (2.01%) SUSE
15 29 (1.95%) FreeBSD
16 21 (1.41%) Amazon Linux
17 19 (1.27%) AIX
18 15 (1.01%) Mac OS X
19 13 (0.87%) Windows 2000
20 10 (0.67%) Windows 7
Processes & Methodologies
1 513 (34.41%) DevOps
2 389 (26.09%) Agile Software Development
3 331 (22.20%) Configuration Management
4 221 (14.82%) Continuous Integration
5 186 (12.47%) ITIL
6 184 (12.34%) Scrum
7 182 (12.21%) Open Source
8 107 (7.18%) E-Commerce
9 87 (5.84%) Continuous Improvement
10 81 (5.43%) High Availability
11 75 (5.03%) Load Balancing
12 69 (4.63%) Service Management
13 57 (3.82%) Analytics
14 55 (3.69%) Change Management
15 53 (3.55%) Mentoring
16 52 (3.49%) Security Patching
17 51 (3.42%) Root Cause Analysis
18 48 (3.22%) Software Engineering
19 47 (3.15%) Cybersecurity
20 46 (3.09%) Virtual Environments
Programming Languages
1 570 (38.23%) Python
2 471 (31.59%) Bash Shell
3 378 (25.35%) Perl
4 360 (24.14%) Java
5 302 (20.25%) Ruby
6 263 (17.64%) PHP
7 252 (16.90%) SQL
8 117 (7.85%) Shell Script
9 116 (7.78%) JavaScript
10 100 (6.71%) PowerShell
11 77 (5.16%) C
12 53 (3.55%) C++
13 35 (2.35%) C#
14 20 (1.34%) Groovy
15 14 (0.94%) AWK
16 13 (0.87%) Korn
17 12 (0.80%) Jython
18 10 (0.67%) PL/SQL
18 10 (0.67%) Scala
19 9 (0.60%) Bourne shell
Qualifications
1 111 (7.44%) Security Cleared
2 92 (6.17%) Degree
3 78 (5.23%) SC Cleared
4 68 (4.56%) Cisco Certification
5 62 (4.16%) RHCE
6 49 (3.29%) CCNA
7 47 (3.15%) VMware Certified Professional (VCP)
8 46 (3.09%) CCNP
9 34 (2.28%) RHCSA
10 31 (2.08%) Microsoft Certification
11 16 (1.07%) MCSE
12 14 (0.94%) MCITP
13 12 (0.80%) CISSP
13 12 (0.80%) ISEB
14 10 (0.67%) PMI Certification
14 10 (0.67%) PMP
15 9 (0.60%) ISTQB
16 8 (0.54%) AWS Certification
17 6 (0.40%) PhD
17 6 (0.40%) RHCA
Quality Assurance & Compliance
1 59 (3.96%) QA
2 32 (2.15%) SLA
3 23 (1.54%) ISO/IEC 27001
4 9 (0.60%) PCI DSS
5 6 (0.40%) GPG13
6 2 (0.13%) ISO 9000
7 1 (0.067%) DICOM
7 1 (0.067%) HL7
7 1 (0.067%) SAS 70
System Software
1 330 (22.13%) VMware Infrastructure
2 176 (11.80%) Active Directory
3 168 (11.27%) Docker
4 130 (8.72%) VMware ESXi
5 126 (8.45%) NFS
6 107 (7.18%) vSphere
7 62 (4.16%) Xen
8 59 (3.96%) KVM
9 43 (2.88%) Virtual Machines
10 42 (2.82%) Hyper-V
10 42 (2.82%) vCloud
11 38 (2.55%) XenServer
12 35 (2.35%) Varnish
13 32 (2.15%) iptables
13 32 (2.15%) Squid
14 27 (1.81%) Corosync
15 24 (1.61%) Postfix
15 24 (1.61%) Samba
16 23 (1.54%) Firmware
17 21 (1.41%) VMware ESX
Systems Management
1 624 (41.85%) Puppet
2 377 (25.29%) Ansible
3 338 (22.67%) Opscode Chef
4 285 (19.11%) Nagios
5 65 (4.36%) ZABBIX
6 64 (4.29%) logstash
7 63 (4.23%) HAProxy
8 40 (2.68%) Graphite
9 39 (2.62%) Cacti
10 26 (1.74%) Salt
11 24 (1.61%) Zenoss
12 22 (1.48%) Backup Exec
12 22 (1.48%) Pacemaker
13 21 (1.41%) Terraform
14 20 (1.34%) Kibana
15 19 (1.27%) Cobbler
15 19 (1.27%) Packer
16 18 (1.21%) CFEngine
16 18 (1.21%) Red Hat Spacewalk
16 18 (1.21%) vRealize
Vendors
1 797 (53.45%) Red Hat
2 543 (36.42%) VMware
3 284 (19.05%) Cisco
4 201 (13.48%) Microsoft
5 170 (11.40%) HP
6 150 (10.06%) Oracle
7 85 (5.70%) IBM
8 67 (4.49%) EMC
9 57 (3.82%) F5
10 55 (3.69%) Citrix
11 52 (3.49%) Splunk
12 46 (3.09%) SaltStack
13 44 (2.95%) Juniper
14 43 (2.88%) NetApp
15 41 (2.75%) New Relic
16 34 (2.28%) Google
17 31 (2.08%) SolarWinds
18 30 (2.01%) Dell
19 29 (1.95%) 3PAR
19 29 (1.95%) Atlassian
North Yorkshire
Harvey Nash plc
Salary: £18000 - £25000 per annum + benefits
Posted: 14 hours ago
Basingstoke, Hampshire
Spectrum IT Recruitment (South) Ltd
Salary: £30000 - £40000 per annum + Benefits
Posted: 15 hours ago
London
Spring Technology
Salary: £50000.00 - £55000.00 per annum
Posted: 7 hours ago
London
Austin Fraser
Salary: £45000.00 - £60000.00 per annum + Bens
Posted: 14 hours ago
London
Austin Fraser
Salary: £50000.00 - £60000.00 per annum + Bens
Posted: 14 hours ago
Cambridge, Cambridgeshire
Senitor Associates
Salary: £40000 per annum
Posted: Yesterday
Nottingham, Nottinghamshire
Senitor Associates
Salary: £30000 - £35000 per annum + Benefits + Great Company
Posted: 15 hours ago
London
Austin Fraser
Salary: £35000.00 - £45000.00 per annum + Bens
Posted: 14 hours ago
City, London
Burns Sheehan
Salary: £50000 - £55000 per annum + Excellent Benefits
Posted: 9 hours ago
City, London
Client Server
Salary: £60k to £75k + bonus + benefits
Posted: Yesterday
Southampton, Hampshire
Spectrum IT Recruitment (South) Ltd
Salary: £45000 - £55000 per annum + training & benefits
Posted: Yesterday
South West London
Nigel Frank International Ltd
Salary: £30000 - £50000 per annum + benefits
Posted: 12 hours ago
Harrogate, North Yorkshire
Fruition IT Resources Limited
Salary: £38000 - £43000 per annum + Benefits
Posted: Yesterday
Newcastle Upon Tyne, Tyne and Wear
Reed Technology
Salary: £40000 - £50000 per annum + Benefits
Posted: 14 hours ago
Cambridge, Cambridgeshire
Edgar Cowen
Salary: £35000 - £45000 per annum + Great base, benefits, work/life balance
Posted: 2 days ago
South East London
Robert Half
Salary: £40000 - £45000 per annum
Posted: Yesterday
Gloucestershire
Executive Recruitment Services (ERS)
Posted: Yesterday
Southampton, Hampshire
Computer People
Salary: £40000.00 - £55000.00 per annum
Posted: 9 hours ago
Lincoln, Lincolnshire
Circle Recruitment
Salary: £25000 - £40000 per annum + Benefits
Posted: 7 hours ago
Royston, Hertfordshire
Evolution Recruitment Solutions
Salary: 45k-60k + benefits
Posted: 4 days ago
South East London
Poole and Partners
Salary: From £35,000 to £40,000 per annum
Posted: 2 days ago
City, London
Miller Maxwell Ltd
Salary: From £45,000 to £55,000 per annum + Bonus + Benefits
Posted: 4 days ago
London
Lorien Resourcing
Salary: £6500 - £75000 per annum + Car Allow + Bonus + Benefits
Posted: 2 days ago
London
Joseph Harry Ltd
Salary: £40000 - £55000 per annum + Bonus + 10% Pension
Posted: 2 days ago
London
Harvey Nash plc
Salary: £45000 - £55000 per annum
Posted: 6 hours ago
City, London
Premier IT
Salary: £50000 - £70000 per annum
Posted: Yesterday
Edinburgh, Midlothian
Net Talent
Posted: 2 days ago
City, London
Redrock Consulting Ltd
Salary: £50000 - £70000 per annum
Posted: Yesterday
Camberley, Surrey
Peopleworks
Salary: From £35,000 to £37,000 per annum £35,000 to £37,000 Negotiable + G'Te
Posted: Yesterday
London
Haybrook IT Resourcing Ltd
Salary: Negotiable
Posted: 8 hours ago