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 27 July 2016 with a comparison to the same period over the previous 2 years.

3 months to
27 Jul 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 393 435 436
Rank change year-on-year
+42 +1
Permanent jobs citing CentOS 722 712 718
As % of all permanent IT jobs located in the UK 0.74% 0.65% 0.62%
As % of the Operating Systems category 2.94% 2.46% 2.30%
Number of salaries quoted 641 619 633
Median salary £50,000 £47,500 £45,000
Median salary % change year-on-year
+5.26% +5.55%
90% offered a salary of more than £35,000 £30,000 £29,300
10% offered a salary of more than £70,000 £65,000 £60,000
UK excluding London median salary £47,500 £42,500 £40,000
% change year-on-year
+11.76% +6.25%

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
24583 28997 31181
As % of all permanent IT jobs located in the UK 25.09% 26.34% 26.76%
Number of salaries quoted 21004 24347 26081
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 £38,500 £37,500 £36,000
% change year-on-year
+2.66% +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 27 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 27 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 +23 694 £50,000 +5.26% 85
London +31 341 £51,250 -6.81% 37
South East +43 199 £50,000 +17.64% 23
Hampshire +33 78 £47,500 +11.76% 8
Berkshire +4 77 £50,500 +18.82% 7
East Midlands +37 35 £42,500 +13.33% 11
Southampton +20 31 £45,000 +38.46% 5
North West -2 31 £35,500 -5.33% 5
Surrey +32 30 £55,000 +10.00% 4
Yorkshire +16 27 £40,500 +1.25% 2
Reading -23 27 £60,000 +41.17% 6
City of London +29 25 £47,500 -13.63% 6
Maidenhead +6 23 £37,500 -11.76% 1
South West -14 23 £42,500 +13.33% 3
East of England +19 22 £49,000 +4.25% 2
Manchester +4 22 £35,000 -6.66% 3
North Yorkshire +31 18 £40,500 +24.61%
Gloucestershire +6 18 £42,500 +13.33% 2
Windsor - 17 £51,000 -
Lincolnshire - 14 £35,000 - 6
Egham +38 13 £70,000 - 1
West Midlands -1 13 £45,000 +5.88% 1
Farnborough +7 12 £52,500 +5.00%
Lincoln - 12 £35,000 - 3
Andover - 12 £55,000 -
Scotland - 12 £55,000 - 3
Portsmouth +11 11 £47,500 +8.57% 1
Cambridge +2 11 £47,500 +11.76%
Cambridgeshire 0 11 £47,500 +11.76%
Leicestershire - 11 £48,000 - 3

CentOS
Top 30 Related IT Skills

For the 6 months to 27 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 1470 (99.93%) Linux
2 806 (54.79%) Red Hat
3 608 (41.33%) Puppet
4 596 (40.52%) Red Hat Enterprise Linux
5 556 (37.80%) VMware
6 549 (37.32%) Python
7 489 (33.24%) DevOps
8 481 (32.70%) Windows
9 461 (31.34%) Amazon AWS
10 454 (30.86%) Bash Shell
11 449 (30.52%) MySQL
12 423 (28.76%) Apache
13 412 (28.01%) Ubuntu
14 363 (24.68%) Agile Software Development
14 363 (24.68%) Perl
15 361 (24.54%) Ansible
16 357 (24.27%) Jenkins
17 351 (23.86%) Java
18 346 (23.52%) VMware Infrastructure
19 324 (22.03%) Opscode Chef
20 318 (21.62%) Configuration Management
21 300 (20.39%) Ruby
22 284 (19.31%) Firewall
22 284 (19.31%) Tomcat
23 281 (19.10%) Cisco
24 278 (18.90%) DNS
25 265 (18.01%) Git (software)
26 263 (17.88%) Nagios
27 255 (17.34%) PHP
28 248 (16.86%) SQL

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
1 423 (28.76%) Apache
2 284 (19.31%) Tomcat
3 161 (10.94%) nginx
4 95 (6.46%) JBoss
5 84 (5.71%) OpenStack
6 82 (5.57%) IIS
7 80 (5.44%) Elasticsearch
8 51 (3.47%) WebSphere
9 46 (3.13%) Confluence
10 27 (1.84%) CMS
11 26 (1.77%) MS Exchange
12 23 (1.56%) WebSphere Application Server
13 20 (1.36%) Apache Spark
14 19 (1.29%) WebLogic
15 15 (1.02%) SharePoint
16 12 (0.82%) WildFly
17 11 (0.75%) Drupal
18 10 (0.68%) Cloud Foundry
19 9 (0.61%) WordPress
20 8 (0.54%) Apache ServiceMix
Applications
1 68 (4.62%) MS Excel
2 18 (1.22%) MS Visio
3 15 (1.02%) MS Office
4 13 (0.88%) MS PowerPoint
5 6 (0.41%) Photoshop
6 3 (0.20%) Adobe Illustrator
7 1 (0.068%) HipChat
7 1 (0.068%) MS Project
Business Applications
1 3 (0.20%) Documaker
1 3 (0.20%) Magento
1 3 (0.20%) Remedy ITSM
1 3 (0.20%) Shopify
2 2 (0.14%) CODA-Financials
2 2 (0.14%) SAP Oil and Gas
3 1 (0.068%) Unit4 Business World
Cloud Services
1 461 (31.34%) Amazon AWS
2 88 (5.98%) Microsoft Azure
3 77 (5.23%) Amazon EC2
3 77 (5.23%) SaaS
4 55 (3.74%) Amazon S3
5 50 (3.40%) AWS CloudFormation
6 49 (3.33%) IaaS
7 43 (2.92%) Cloud Computing
8 41 (2.79%) PaaS
9 36 (2.45%) CloudBees
10 29 (1.97%) GitHub
11 24 (1.63%) Virtual Private Cloud
12 19 (1.29%) Office 365
13 16 (1.09%) Amazon CloudWatch
14 15 (1.02%) Azure Active Directory
15 14 (0.95%) Amazon ELB
16 13 (0.88%) OpenShift
17 12 (0.82%) Google Apps
18 11 (0.75%) AWS OpsWorks
19 10 (0.68%) Route 53
Communications & Networking
1 284 (19.31%) Firewall
2 278 (18.90%) DNS
3 218 (14.82%) TCP/IP
4 205 (13.94%) SAN
5 104 (7.07%) LDAP
6 103 (7.00%) LAN
7 97 (6.59%) WAN
8 67 (4.55%) Internet
9 66 (4.49%) VPN
10 61 (4.15%) DHCP
10 61 (4.15%) Network Security
11 58 (3.94%) Cisco Nexus
12 55 (3.74%) SSL
13 48 (3.26%) VLAN
14 47 (3.20%) HTTP
14 47 (3.20%) VoIP
15 46 (3.13%) Kerberos
16 45 (3.06%) SMTP
17 42 (2.86%) NAS
18 36 (2.45%) SSH
Database & Business Intelligence
1 449 (30.52%) MySQL
2 172 (11.69%) MongoDB
3 157 (10.67%) PostgreSQL
4 136 (9.25%) SQL Server
5 80 (5.44%) Apache Cassandra
6 79 (5.37%) NoSQL
7 72 (4.89%) Hadoop
8 62 (4.21%) Redis
9 53 (3.60%) Big Data
10 43 (2.92%) Oracle Database
11 36 (2.45%) Amazon RDS
12 24 (1.63%) DB2
12 24 (1.63%) Relational Database
13 23 (1.56%) MariaDB
14 18 (1.22%) CouchDB
15 11 (0.75%) Couchbase
16 10 (0.68%) Aerospike
17 8 (0.54%) SQL Server 2008
18 7 (0.48%) Neo4j
18 7 (0.48%) Pentaho
Development Applications
1 357 (24.27%) Jenkins
2 265 (18.01%) Git (software)
3 109 (7.41%) Maven
4 88 (5.98%) Subversion
5 84 (5.71%) JIRA
6 70 (4.76%) Vagrant
7 52 (3.54%) Atlassian Bamboo
8 51 (3.47%) TeamCity
9 36 (2.45%) Sonatype Nexus
10 31 (2.11%) Selenium
11 24 (1.63%) Travis CI
12 22 (1.50%) Ant
13 18 (1.22%) PHPUnit
14 17 (1.16%) Eclipse
14 17 (1.16%) Gradle
15 16 (1.09%) Cucumber
16 12 (0.82%) GitLab
16 12 (0.82%) IntelliJ
17 11 (0.75%) GCC
17 11 (0.75%) Mercurial
General
1 207 (14.07%) Finance
2 62 (4.21%) Telecoms
3 55 (3.74%) Marketing
4 51 (3.47%) Games
5 49 (3.33%) Banking
6 45 (3.06%) Retail
7 18 (1.22%) Pharmaceutical
7 18 (1.22%) Publishing
8 15 (1.02%) Advertising
9 11 (0.75%) French Language
10 10 (0.68%) Back Office
11 6 (0.41%) Law
11 6 (0.41%) Manufacturing
12 3 (0.20%) Aerospace
12 3 (0.20%) Electronics
12 3 (0.20%) Investment Banking
12 3 (0.20%) Legal
12 3 (0.20%) Retail Banking
13 1 (0.068%) Japanese Language
13 1 (0.068%) Online Betting
Job Titles
1 412 (28.01%) Administrator
2 340 (23.11%) Linux Engineer
3 324 (22.03%) Linux Administrator
4 306 (20.80%) Systems Administrator
5 258 (17.54%) Linux Systems Administrator
6 257 (17.47%) DevOps Engineer
7 149 (10.13%) Linux/Unix DevOps
8 119 (8.09%) Linux DevOps Engineer
9 112 (7.61%) Systems Engineer
10 106 (7.21%) Developer
11 104 (7.07%) Support Engineer
12 95 (6.46%) Infrastructure Engineer
13 93 (6.32%) Cloud Engineer
14 77 (5.23%) Analyst
15 75 (5.10%) Linux Systems Engineer
16 74 (5.03%) Senior Linux Administrator
17 70 (4.76%) AWS Engineer
18 68 (4.62%) Linux Support
19 67 (4.55%) Senior DevOps
20 65 (4.42%) Senior Systems Administrator
Libraries, Frameworks & Software Standards
1 247 (16.79%) LAMP
2 189 (12.85%) Web Services
3 71 (4.83%) LEMP Stack
4 64 (4.35%) HTML
5 61 (4.15%) XML
6 58 (3.94%) CSS
7 54 (3.67%) JSON
8 50 (3.40%) LAPP Stack
9 48 (3.26%) ELK Stack
10 39 (2.65%) Middleware
11 38 (2.58%) REST
12 36 (2.45%) SOAP
13 35 (2.38%) Memcached
14 34 (2.31%) jQuery
14 34 (2.31%) Spring
15 33 (2.24%) AngularJS
16 32 (2.18%) Node.js
16 32 (2.18%) RESTful
17 28 (1.90%) RabbitMQ
18 27 (1.84%) HTML5
Miscellaneous
1 179 (12.17%) Data Centre
2 84 (5.71%) Computer Science
3 65 (4.42%) Analytical Skills
4 48 (3.26%) Clustering
5 37 (2.52%) Fintech
6 29 (1.97%) Statistics
6 29 (1.97%) User Experience
7 28 (1.90%) Management Information System
8 25 (1.70%) Replication
8 25 (1.70%) Wiki
9 24 (1.63%) Algorithms
9 24 (1.63%) EMC VNX
10 22 (1.50%) Cyberthreat
11 19 (1.29%) iPad
12 18 (1.22%) Enterprise Software
12 18 (1.22%) PKI
13 16 (1.09%) Mobile App
14 15 (1.02%) Hedge funds
14 15 (1.02%) HP StoreVirtual
14 15 (1.02%) IPTV
Operating Systems
1 1470 (99.93%) Linux
2 596 (40.52%) Red Hat Enterprise Linux
3 481 (32.70%) Windows
4 412 (28.01%) Ubuntu
5 238 (16.18%) Windows Server
6 234 (15.91%) Unix
7 192 (13.05%) Debian
8 157 (10.67%) Windows Server 2008
9 127 (8.63%) Windows Server 2012
10 64 (4.35%) Solaris
11 47 (3.20%) Fedora
12 35 (2.38%) SUSE
13 33 (2.24%) FreeBSD
14 32 (2.18%) Windows Server 2003
15 27 (1.84%) Oracle Linux
16 21 (1.43%) Mac OS X
17 17 (1.16%) Amazon Linux
18 12 (0.82%) AIX
19 9 (0.61%) Windows 2000
19 9 (0.61%) Windows 7
Processes & Methodologies
1 489 (33.24%) DevOps
2 363 (24.68%) Agile Software Development
3 318 (21.62%) Configuration Management
4 203 (13.80%) Continuous Integration
5 193 (13.12%) ITIL
6 176 (11.96%) Scrum
7 172 (11.69%) Open Source
8 102 (6.93%) E-Commerce
9 89 (6.05%) Continuous Improvement
10 78 (5.30%) High Availability
10 78 (5.30%) Load Balancing
11 75 (5.10%) Service Management
12 63 (4.28%) Analytics
13 51 (3.47%) Mentoring
13 51 (3.47%) Virtual Environments
14 49 (3.33%) Root Cause Analysis
15 48 (3.26%) SDLC
15 48 (3.26%) Security Patching
16 46 (3.13%) Change Management
16 46 (3.13%) Cybersecurity
Programming Languages
1 549 (37.32%) Python
2 454 (30.86%) Bash Shell
3 363 (24.68%) Perl
4 351 (23.86%) Java
5 300 (20.39%) Ruby
6 255 (17.34%) PHP
7 248 (16.86%) SQL
8 120 (8.16%) JavaScript
9 119 (8.09%) Shell Script
10 105 (7.14%) PowerShell
11 70 (4.76%) C
12 56 (3.81%) C++
13 26 (1.77%) C#
14 19 (1.29%) AWK
15 16 (1.09%) Groovy
16 13 (0.88%) Jython
16 13 (0.88%) Korn
17 12 (0.82%) Scala
18 10 (0.68%) PL/SQL
19 9 (0.61%) Tcl
Qualifications
1 112 (7.61%) Security Cleared
2 86 (5.85%) Degree
3 71 (4.83%) SC Cleared
4 66 (4.49%) Cisco Certification
5 61 (4.15%) RHCE
6 44 (2.99%) CCNA
7 43 (2.92%) VMware Certified Professional (VCP)
8 41 (2.79%) CCNP
9 32 (2.18%) RHCSA
10 23 (1.56%) Microsoft Certification
11 16 (1.09%) ISEB
12 13 (0.88%) ISTQB
12 13 (0.88%) PMP
13 11 (0.75%) AWS Certification
13 11 (0.75%) PMI Certification
14 10 (0.68%) MCITP
15 9 (0.61%) MCSE
16 8 (0.54%) CISSP
16 8 (0.54%) DV Cleared
17 6 (0.41%) CTC Cleared
Quality Assurance & Compliance
1 61 (4.15%) QA
2 33 (2.24%) ISO/IEC 27001
3 23 (1.56%) SLA
4 9 (0.61%) PCI DSS
5 2 (0.14%) GPG13
5 2 (0.14%) ISO 9000
6 1 (0.068%) DICOM
6 1 (0.068%) HL7
6 1 (0.068%) SAS 70
System Software
1 346 (23.52%) VMware Infrastructure
2 189 (12.85%) Active Directory
3 160 (10.88%) Docker
4 133 (9.04%) VMware ESXi
5 116 (7.89%) NFS
6 97 (6.59%) vSphere
7 47 (3.20%) vCloud
8 43 (2.92%) KVM
9 42 (2.86%) Xen
10 40 (2.72%) XenServer
11 39 (2.65%) Hyper-V
12 38 (2.58%) Virtual Machines
13 33 (2.24%) Varnish
14 32 (2.18%) VMware ESX
15 31 (2.11%) Postfix
16 30 (2.04%) Corosync
16 30 (2.04%) iptables
16 30 (2.04%) Samba
17 29 (1.97%) Squid
18 27 (1.84%) Firmware
Systems Management
1 608 (41.33%) Puppet
2 361 (24.54%) Ansible
3 324 (22.03%) Opscode Chef
4 263 (17.88%) Nagios
5 64 (4.35%) logstash
6 62 (4.21%) HAProxy
7 58 (3.94%) ZABBIX
8 36 (2.45%) Graphite
9 35 (2.38%) Cacti
10 26 (1.77%) Salt
11 25 (1.70%) Pacemaker
12 24 (1.63%) Backup Exec
13 23 (1.56%) Terraform
14 22 (1.50%) Kibana
15 21 (1.43%) Kubernetes
16 19 (1.29%) SELinux
17 18 (1.22%) vRealize
17 18 (1.22%) Zenoss
18 17 (1.16%) Munin
18 17 (1.16%) Red Hat Spacewalk
Vendors
1 806 (54.79%) Red Hat
2 556 (37.80%) VMware
3 281 (19.10%) Cisco
4 188 (12.78%) Microsoft
5 156 (10.61%) Oracle
6 151 (10.27%) HP
7 70 (4.76%) IBM
8 59 (4.01%) EMC
9 57 (3.87%) Citrix
10 52 (3.54%) F5
11 48 (3.26%) Google
12 45 (3.06%) Splunk
13 44 (2.99%) Juniper
14 40 (2.72%) SaltStack
15 37 (2.52%) NetApp
16 34 (2.31%) New Relic
17 28 (1.90%) Atlassian
17 28 (1.90%) Rackspace
18 27 (1.84%) 3PAR
18 27 (1.84%) SolarWinds
Cheltenham, Gloucestershire
Evolution Recruitment Solutions
Salary: 30,000 - 60,000 plus benefits
Posted: 4 hours ago
Malvern, Worcestershire
Experis Ltd
Salary: £48000.00 per annum
Posted: 18 hours ago
West London
We Source Talent
Salary: From £85,000 to £125,000 per annum bonus, pensions, shares..
Posted: 20 hours ago
Egham, Surrey
Parham Consulting
Salary: Up to £55,000 per annum Maximum £55,000 plus 10% bonus, shares and goo
Posted: 21 hours ago
Leeds, West Yorkshire
Greywood Associates Limited
Salary: £20000 - £25000 per annum + bens
Posted: 18 hours ago
Liverpool, Merseyside
Searchability
Salary: £30000 - £35000 per annum
Posted: 21 hours ago
Southampton, Hampshire
Spectrum IT Recruitment (South) Ltd
Salary: £40000 - £50000 per annum + training & benefits
Posted: Yesterday
Southampton, Hampshire
Spectrum IT Recruitment (South) Ltd
Salary: £45000 - £50000 per annum + training & benefits
Posted: Yesterday
Leicester, Leicestershire
Quant Capital
Salary: From £25,000 to £35,000 per annum + benefits
Posted: 17 hours ago
Southampton, Hampshire
Spectrum IT Recruitment (South) Ltd
Salary: £30000 - £40000 per annum + training & benefits
Posted: Yesterday
Gloucester, Gloucestershire
Evolution Recruitment Solutions
Salary: 30,000-55,000
Posted: 2 days ago
Nottingham, Nottinghamshire
Senitor Associates
Salary: £30000 - £35000 per annum + Benefits + Great Company
Posted: 2 days ago
Reigate, Surrey
Imperative People
Salary: £45000.00 - £55000.00 per annum
Posted: Yesterday
Reading, Berkshire
Deanslist Limited
Salary: From £50,000 to £70,000 per annum £50-70k + Bonus + excellent benefits
Posted: Yesterday
Manchester, Lancashire
UKFast
Salary: From £25,000 to £40,000 per annum depending on experience.
Posted: Yesterday
London
Spring Technology
Salary: £50000.00 - £55000.00 per annum
Posted: Yesterday
West London
ENTERPRISE RECRUITMENT LTD
Salary: £35000 - £50000 per annum, Benefits: BUPA, pension + multiple perks
Posted: Yesterday
Belfast, County Antrim
HAYS INFORMATION TECHNOLOGY
Salary: £35000.00 - £40000.00 per annum
Posted: Yesterday
London
Salt
Salary: £30000 - £35000 per annum
Posted: 5 days ago
Southampton, Hampshire
Spectrum IT Recruitment (South) Ltd
Salary: £45000 - £55000 per annum + training & benefits
Posted: 5 days ago
East London
Digitech Resourcing Ltd
Salary: From £70,000 to £100,000 per annum plus benefits
Posted: 5 days ago
Sheffield, South Yorkshire
Searchability
Salary: £30000 - £40000 per annum
Posted: 4 days ago
City, London
Testing Circle Ltd
Salary: £60000 - £65000 per annum + 10% Bonus
Posted: 4 days ago
London
Tria Recruitment
Salary: £55000 - £70000 per annum + Equity
Posted: 5 days ago
Reading, Berkshire
83Zero
Salary: From £45,000 to £55,000 per annum + Excellent Company Benefits
Posted: Yesterday
London
Austin Fraser
Salary: £50000.00 - £60000.00 per annum + Bens
Posted: 4 days ago
London
Austin Fraser
Salary: £70000 - £75000 per annum + Bens
Posted: 4 days ago
Woking, Surrey
Venturi
Salary: £50000.00 - £70000.00 per annum + Benefits
Posted: 5 days ago
Reading, Berkshire
Searchability
Salary: £40000 - £45000 per annum + Benefits
Posted: 4 days ago
Manchester, Lancashire
Chassam Contract
Salary: Up to £40,000 per annum
Posted: 4 days ago