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 30 August 2016 with a comparison to the same period over the previous 2 years.

3 months to
30 Aug 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 384 418 407
Rank change year-on-year
+34 -11
Permanent jobs citing CentOS 724 721 770
As % of all permanent IT jobs located in the UK 0.74% 0.67% 0.67%
As % of the Operating Systems category 2.98% 2.57% 2.50%
Number of salaries quoted 652 632 663
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 £32,500 £30,000 £30,000
10% offered a salary of more than £65,000 £65,750 £60,000
UK excluding London median salary £47,500 £42,500 £41,500
% change year-on-year
+11.76% +2.40%

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
24295 28087 30823
As % of all permanent IT jobs located in the UK 24.87% 26.09% 26.87%
Number of salaries quoted 20817 23687 25570
Median salary £42,500 £41,500 £40,000
Median salary % change year-on-year
+2.40% +3.75%
90% offered a salary of more than £25,000 £25,000 £25,000
10% offered a salary of more than £67,500 £65,000 £65,000
UK excluding London median salary £38,500 £37,500 £36,500
% change year-on-year
+2.66% +2.73%

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 30 August 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 30 August 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 +13 681 £50,000 +5.26% 85
London +1 295 £52,500 -4.54% 31
South East +59 212 £50,000 +17.64% 26
Hampshire +46 102 £47,500 +18.75% 10
Berkshire -9 62 £50,000 +17.64% 6
Southampton +29 46 £47,500 +82.69% 5
Surrey +44 40 £55,000 +4.76% 5
South West -6 38 £42,500 -5.55% 7
North West -3 32 £35,500 -5.33% 7
Yorkshire +20 30 £42,500 +6.25% 3
East Midlands +26 29 £39,500 +8.96% 3
East of England +30 26 £49,500 +10.00% 4
Reading -36 24 £55,000 +29.41% 5
City of London +30 23 £50,000 -9.09% 5
Gloucestershire +5 22 £45,000 +20.00% 1
Maidenhead +3 21 £37,500 -11.76%
North Yorkshire +23 18 £40,500 +15.71% 1
Portsmouth +14 17 £47,500 +23.37% 2
Cambridgeshire +14 17 £49,000 +8.88% 1
Manchester -19 15 £40,000 +6.66% 7
South Wales +21 14 £35,000 -11.39% 1
Wales +11 14 £35,000 -11.39% 1
West Midlands -7 14 £55,250 -7.91% 1
Andover - 14 £55,000 -
Scotland +27 13 £42,500 +5.28% 2
Cardiff +16 12 £32,500 -
Cambridge +7 12 £46,250 +5.71% 1
Farnborough -6 12 £52,500 +5.00%
Lincolnshire - 12 £35,000 -
Leeds +14 11 £47,500 - 2

CentOS
Top 30 Related IT Skills

For the 6 months to 30 August 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 1417 (100.00%) Linux
2 823 (58.08%) Red Hat
3 562 (39.66%) Red Hat Enterprise Linux
4 553 (39.03%) Puppet
5 541 (38.18%) VMware
6 507 (35.78%) Python
7 502 (35.43%) Windows
8 458 (32.32%) DevOps
9 442 (31.19%) Amazon AWS
10 425 (29.99%) Bash Shell
11 408 (28.79%) Apache
12 405 (28.58%) MySQL
13 389 (27.45%) Ubuntu
14 357 (25.19%) Perl
15 335 (23.64%) VMware Infrastructure
16 332 (23.43%) Java
17 307 (21.67%) Agile Software Development
17 307 (21.67%) Ansible
18 304 (21.45%) Opscode Chef
19 298 (21.03%) Jenkins
20 281 (19.83%) Ruby
21 279 (19.69%) Cisco
22 277 (19.55%) Configuration Management
23 264 (18.63%) Firewall
24 261 (18.42%) DNS
25 260 (18.35%) PHP
26 249 (17.57%) Tomcat
27 240 (16.94%) Nagios
28 237 (16.73%) LAMP
29 235 (16.58%) TCP/IP

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
1 408 (28.79%) Apache
2 249 (17.57%) Tomcat
3 165 (11.64%) nginx
4 83 (5.86%) IIS
5 76 (5.36%) Elasticsearch
6 65 (4.59%) JBoss
7 62 (4.38%) OpenStack
8 37 (2.61%) Confluence
9 36 (2.54%) WebSphere
10 24 (1.69%) MS Exchange
11 22 (1.55%) WebLogic
12 21 (1.48%) CMS
12 21 (1.48%) Hubot
13 15 (1.06%) WebSphere Application Server
14 13 (0.92%) Apache Spark
14 13 (0.92%) SharePoint
15 12 (0.85%) Drupal
15 12 (0.85%) WildFly
16 11 (0.78%) WordPress
17 10 (0.71%) Jetty
Applications
1 75 (5.29%) MS Excel
2 21 (1.48%) MS Office
3 19 (1.34%) MS Visio
4 14 (0.99%) MS PowerPoint
5 3 (0.21%) Photoshop
6 2 (0.14%) MS Project
7 1 (0.071%) Adobe Illustrator
7 1 (0.071%) HipChat
7 1 (0.071%) InDesign
Business Applications
1 4 (0.28%) Magento
2 3 (0.21%) Remedy ITSM
2 3 (0.21%) SAP Oil and Gas
3 2 (0.14%) CODA-Financials
3 2 (0.14%) Shopify
4 1 (0.071%) Documaker
4 1 (0.071%) Unit4 Business World
Cloud Services
1 442 (31.19%) Amazon AWS
2 89 (6.28%) Microsoft Azure
3 79 (5.58%) SaaS
4 70 (4.94%) Amazon EC2
5 53 (3.74%) Amazon S3
6 45 (3.18%) IaaS
7 43 (3.03%) PaaS
8 41 (2.89%) Cloud Computing
9 39 (2.75%) AWS CloudFormation
10 29 (2.05%) Office 365
11 25 (1.76%) Slack
12 22 (1.55%) CloudBees
13 21 (1.48%) GitHub
14 18 (1.27%) Virtual Private Cloud
15 16 (1.13%) AWS OpsWorks
16 13 (0.92%) Azure Active Directory
16 13 (0.92%) OpenShift
17 12 (0.85%) Amazon CloudWatch
18 10 (0.71%) Amazon ElastiCache
18 10 (0.71%) Google Apps
Communications & Networking
1 264 (18.63%) Firewall
2 261 (18.42%) DNS
3 235 (16.58%) TCP/IP
4 212 (14.96%) SAN
5 107 (7.55%) LDAP
6 83 (5.86%) WAN
7 81 (5.72%) VPN
8 73 (5.15%) LAN
9 68 (4.80%) Network Security
10 62 (4.38%) Internet
11 59 (4.16%) VLAN
12 56 (3.95%) DHCP
13 55 (3.88%) SSL
14 52 (3.67%) VoIP
15 51 (3.60%) HTTP
16 47 (3.32%) Cisco Nexus
17 46 (3.25%) SMTP
18 43 (3.03%) IPsec
18 43 (3.03%) Kerberos
19 39 (2.75%) SSH
Database & Business Intelligence
1 405 (28.58%) MySQL
2 154 (10.87%) MongoDB
3 137 (9.67%) SQL Server
4 129 (9.10%) PostgreSQL
5 76 (5.36%) NoSQL
6 72 (5.08%) Hadoop
7 69 (4.87%) Apache Cassandra
8 60 (4.23%) Redis
9 51 (3.60%) Big Data
10 39 (2.75%) Amazon RDS
11 28 (1.98%) Relational Database
12 26 (1.83%) MariaDB
13 23 (1.62%) Oracle Database
14 21 (1.48%) DB2
15 16 (1.13%) Couchbase
16 13 (0.92%) CouchDB
17 10 (0.71%) Neo4j
17 10 (0.71%) Pentaho
17 10 (0.71%) RDBMS
18 9 (0.64%) SQL Server 2008
Development Applications
1 298 (21.03%) Jenkins
2 211 (14.89%) Git (software)
3 89 (6.28%) JIRA
4 86 (6.07%) Maven
5 80 (5.65%) Subversion
6 68 (4.80%) Vagrant
7 44 (3.11%) Atlassian Bamboo
8 41 (2.89%) TeamCity
9 32 (2.26%) Sonatype Nexus
10 26 (1.83%) Selenium
11 21 (1.48%) Ant
12 16 (1.13%) Gradle
13 15 (1.06%) PHPUnit
14 12 (0.85%) GCC
15 11 (0.78%) Eclipse
16 10 (0.71%) Bitbucket
16 10 (0.71%) Talend Open Studio
17 9 (0.64%) Cucumber
17 9 (0.64%) Visual Studio
18 8 (0.56%) Octopus Deploy
General
1 203 (14.33%) Finance
2 59 (4.16%) Banking
3 55 (3.88%) Marketing
3 55 (3.88%) Telecoms
4 43 (3.03%) Games
5 42 (2.96%) Retail
6 20 (1.41%) Pharmaceutical
7 19 (1.34%) Publishing
8 18 (1.27%) French Language
9 15 (1.06%) Advertising
10 7 (0.49%) Back Office
11 6 (0.42%) Investment Banking
12 5 (0.35%) Legal
12 5 (0.35%) Manufacturing
13 4 (0.28%) Electronics
14 3 (0.21%) Retail Banking
15 2 (0.14%) Financial Institution
15 2 (0.14%) Spanish Language
16 1 (0.071%) Aerospace
16 1 (0.071%) Automotive
Job Titles
1 368 (25.97%) Linux Engineer
2 338 (23.85%) Administrator
3 269 (18.98%) Systems Administrator
4 263 (18.56%) DevOps Engineer
5 253 (17.85%) Linux Administrator
6 221 (15.60%) Linux Systems Administrator
7 146 (10.30%) Linux/Unix DevOps
8 127 (8.96%) Systems Engineer
9 121 (8.54%) Linux DevOps Engineer
10 105 (7.41%) Infrastructure Engineer
10 105 (7.41%) Support Engineer
11 103 (7.27%) Developer
12 89 (6.28%) Linux Systems Engineer
13 82 (5.79%) Cloud Engineer
14 80 (5.65%) Analyst
15 69 (4.87%) AWS Engineer
16 62 (4.38%) Senior Systems Administrator
17 60 (4.23%) Senior DevOps
17 60 (4.23%) Senior Linux Engineer
18 59 (4.16%) Senior Linux Administrator
Libraries, Frameworks & Software Standards
1 237 (16.73%) LAMP
2 170 (12.00%) Web Services
3 72 (5.08%) LEMP Stack
4 58 (4.09%) JSON
4 58 (4.09%) XML
5 57 (4.02%) ELK Stack
6 53 (3.74%) HTML
7 51 (3.60%) CSS
8 48 (3.39%) LAPP Stack
9 44 (3.11%) AngularJS
10 39 (2.75%) jQuery
11 35 (2.47%) Middleware
11 35 (2.47%) REST
12 30 (2.12%) .NET
12 30 (2.12%) Spring
13 29 (2.05%) Memcached
13 29 (2.05%) Node.js
13 29 (2.05%) SOAP
14 27 (1.91%) J2EE
15 26 (1.83%) RESTful
Miscellaneous
1 188 (13.27%) Data Centre
2 75 (5.29%) Computer Science
3 55 (3.88%) Clustering
4 52 (3.67%) Analytical Skills
5 34 (2.40%) Fintech
6 30 (2.12%) Wiki
7 26 (1.83%) Replication
8 24 (1.69%) Management Information System
9 21 (1.48%) Cyberthreat
9 21 (1.48%) EMC VNX
9 21 (1.48%) Statistics
10 19 (1.34%) PKI
11 18 (1.27%) iPad
12 17 (1.20%) Hedge funds
13 16 (1.13%) Algorithms
13 16 (1.13%) User Experience
13 16 (1.13%) Visualisation
14 15 (1.06%) Cybercrime
14 15 (1.06%) HP StoreVirtual
14 15 (1.06%) Hybrid Cloud
Operating Systems
1 1417 (100.00%) Linux
2 562 (39.66%) Red Hat Enterprise Linux
3 502 (35.43%) Windows
4 389 (27.45%) Ubuntu
5 234 (16.51%) Windows Server
6 215 (15.17%) Unix
7 183 (12.91%) Debian
8 149 (10.52%) Windows Server 2008
9 143 (10.09%) Windows Server 2012
10 59 (4.16%) Solaris
11 55 (3.88%) Fedora
12 38 (2.68%) FreeBSD
13 32 (2.26%) SUSE
14 31 (2.19%) Windows Server 2003
15 26 (1.83%) Oracle Linux
16 21 (1.48%) Mac OS X
17 12 (0.85%) Amazon Linux
18 11 (0.78%) AIX
19 10 (0.71%) Windows 2000
20 7 (0.49%) Windows 7
Processes & Methodologies
1 458 (32.32%) DevOps
2 307 (21.67%) Agile Software Development
3 277 (19.55%) Configuration Management
4 193 (13.62%) ITIL
5 171 (12.07%) Open Source
6 145 (10.23%) Scrum
7 135 (9.53%) Continuous Integration
8 89 (6.28%) Load Balancing
9 86 (6.07%) Continuous Improvement
10 85 (6.00%) E-Commerce
11 69 (4.87%) High Availability
12 64 (4.52%) Analytics
13 63 (4.45%) Service Management
14 50 (3.53%) Mentoring
15 49 (3.46%) SDLC
16 46 (3.25%) Information Security
17 45 (3.18%) Cybersecurity
18 44 (3.11%) Security Patching
19 42 (2.96%) Software Engineering
20 41 (2.89%) Presales
Programming Languages
1 507 (35.78%) Python
2 425 (29.99%) Bash Shell
3 357 (25.19%) Perl
4 332 (23.43%) Java
5 281 (19.83%) Ruby
6 260 (18.35%) PHP
7 233 (16.44%) SQL
8 129 (9.10%) JavaScript
9 116 (8.19%) Shell Script
10 109 (7.69%) PowerShell
11 68 (4.80%) C
12 61 (4.30%) C++
13 26 (1.83%) C#
14 17 (1.20%) AWK
14 17 (1.20%) Korn
15 14 (0.99%) Groovy
15 14 (0.99%) Jython
16 13 (0.92%) Scala
17 10 (0.71%) Bourne shell
17 10 (0.71%) PL/SQL
Qualifications
1 100 (7.06%) Security Cleared
2 69 (4.87%) Cisco Certification
3 68 (4.80%) RHCE
4 65 (4.59%) Degree
5 47 (3.32%) SC Cleared
6 44 (3.11%) VMware Certified Professional (VCP)
7 43 (3.03%) CCNA
8 41 (2.89%) CCNP
9 35 (2.47%) RHCSA
10 20 (1.41%) AWS Certification
11 18 (1.27%) ISEB
12 15 (1.06%) ISTQB
12 15 (1.06%) Microsoft Certification
13 13 (0.92%) DV Cleared
14 11 (0.78%) PMI Certification
14 11 (0.78%) PMP
15 9 (0.64%) MCSE
16 8 (0.56%) CISSP
17 6 (0.42%) CTC Cleared
17 6 (0.42%) RHCA
Quality Assurance & Compliance
1 63 (4.45%) QA
2 39 (2.75%) ISO/IEC 27001
3 20 (1.41%) SLA
4 12 (0.85%) PCI DSS
5 2 (0.14%) ISO 9000
6 1 (0.071%) DICOM
6 1 (0.071%) GPG13
6 1 (0.071%) HL7
6 1 (0.071%) SAS 70
System Software
1 335 (23.64%) VMware Infrastructure
2 188 (13.27%) Active Directory
3 145 (10.23%) Docker
4 120 (8.47%) VMware ESXi
5 113 (7.97%) NFS
6 97 (6.85%) vSphere
7 50 (3.53%) VMware ESX
8 45 (3.18%) vCloud
9 43 (3.03%) KVM
10 40 (2.82%) Hyper-V
10 40 (2.82%) Postfix
11 39 (2.75%) iptables
11 39 (2.75%) XenServer
12 37 (2.61%) Virtual Machines
13 35 (2.47%) Samba
14 32 (2.26%) Xen
15 31 (2.19%) Squid
16 30 (2.12%) Varnish
17 27 (1.91%) Firmware
18 26 (1.83%) Sendmail
Systems Management
1 553 (39.03%) Puppet
2 307 (21.67%) Ansible
3 304 (21.45%) Opscode Chef
4 240 (16.94%) Nagios
5 59 (4.16%) logstash
6 58 (4.09%) HAProxy
7 40 (2.82%) ZABBIX
8 39 (2.75%) Terraform
9 35 (2.47%) Graphite
10 31 (2.19%) Cacti
11 29 (2.05%) Salt
12 25 (1.76%) Kubernetes
13 24 (1.69%) Backup Exec
13 24 (1.69%) Kibana
14 21 (1.48%) SELinux
15 19 (1.34%) Pacemaker
15 19 (1.34%) Packer
16 15 (1.06%) Munin
16 15 (1.06%) vRealize
17 14 (0.99%) vMotion
Vendors
1 823 (58.08%) Red Hat
2 541 (38.18%) VMware
3 279 (19.69%) Cisco
4 186 (13.13%) Microsoft
5 147 (10.37%) Oracle
6 136 (9.60%) HP
7 56 (3.95%) Citrix
8 54 (3.81%) EMC
9 47 (3.32%) Google
9 47 (3.32%) IBM
10 39 (2.75%) F5
11 38 (2.68%) Splunk
12 34 (2.40%) Juniper
13 33 (2.33%) NetApp
14 29 (2.05%) Dell
14 29 (2.05%) New Relic
15 28 (1.98%) Atlassian
16 27 (1.91%) SaltStack
17 26 (1.83%) 3PAR
18 24 (1.69%) SolarWinds
Bristol, Avon
Redrock Consulting Ltd
Salary: £23000 - £30000 per annum + Flexible Benefits Package
Posted: 12 hours ago
Birmingham, West Midlands (County)
Verticality Ltd
Salary: £60000 - £75000 per annum
Posted: 9 hours ago
West Drayton, Middlesex
Oscar
Salary: £35000 - £45000 per annum
Posted: 11 hours ago
Middlesex
Oscar
Salary: £35000 - £45000 per annum + PHI, Pension
Posted: 11 hours ago
Reading, Berkshire
Deanslist Limited
Salary: From £40,000 to £45,000 per annum + Bonus + Excellent benefits
Posted: Yesterday
Manchester, Lancashire
FT Select
Salary: From £35,000 to £40,000 per annum plus on call and excellent benefits
Posted: 9 hours ago
City, London
Client Server
Salary: £70k to £75k + bonus + benefits
Posted: Yesterday
Glasgow, Lanarkshire
CGI
Salary: £28000 - £42000 per annum + benefits
Posted: 7 hours ago
Manchester, Lancashire
TEKsystems
Salary: £35000 - £70000 per annum + Package
Posted: 2 days ago
Newcastle Upon Tyne, Tyne and Wear
Informatiq Consulting
Salary: £45000 - £55000 per annum + Bens
Posted: 4 days ago
Southampton, Hampshire
Spectrum IT Recruitment (South) Ltd
Salary: £40000 - £50000 per annum + training & benefits
Posted: 4 days ago
City, London
Harrington Starr
Salary: £70000 - £90000 per annum
Posted: 2 days ago
London
Tria Recruitment
Salary: £40000 - £50000 per annum + Equity + Benefits
Posted: 5 days ago
Brighton, East Sussex
Senitor Associates
Salary: £45000 per annum + excellent benefits
Posted: 5 days ago
Brighton, East Sussex
ARC IT Recruitment Ltd
Salary: to 35k plus benefits
Posted: 4 days ago
London
Austin Fraser
Salary: £70000 - £75000 per annum + Bens
Posted: 4 days ago
Reading, Berkshire
Searchability
Salary: £40000 - £45000 per annum + Benefits
Posted: 4 days ago
Reading, Berkshire
Searchability
Salary: £35000 - £45000 per annum
Posted: 4 days ago
London
Joseph Harry Ltd
Salary: £45000 - £60000 per annum + 25% Bonus + 10% Pension
Posted: 4 days ago
Manchester, Lancashire
Mortimer Spinks
Posted: 4 days ago
Leeds, West Yorkshire
TEKsystems
Salary: £35000 - £70000 per annum + Package
Posted: 4 days ago
Cambridge, Cambridgeshire
Redrock Consulting Ltd
Salary: £30000 - £70000 per annum + Excellent benefits package
Posted: 4 days ago
London
Austin Fraser
Salary: £50000.00 - £60000.00 per annum + Bens
Posted: 4 days ago
Southampton, Hampshire
Spectrum IT Recruitment (South) Ltd
Salary: £45000 - £55000 per annum + training & benefits
Posted: 4 days ago
Basingstoke, Hampshire
Spectrum IT Recruitment (South) Ltd
Salary: £30000 - £40000 per annum + Benefits
Posted: 4 days ago
Bury St. Edmunds, Suffolk
Montash
Salary: £65000 - £75000 per annum + benefits
Posted: 3 days ago
Southampton, Hampshire
Spectrum IT Recruitment (South) Ltd
Salary: £30000 - £45000 per annum + training & benefits
Posted: 4 days ago
London
Circle Recruitment
Salary: Benefits
Posted: 6 days ago
Surbiton, Surrey
Montash
Salary: £53000 - £60000 per annum + Benefits + Bonu
Posted: 5 days ago
East London
ENTERPRISE RECRUITMENT LTD
Salary: £35000 - £45000 per annum, Work from home potential
Posted: 6 days ago