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 10 December 2016 with a comparison to the same period over the previous 2 years.

3 months to
10 Dec 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 361 419 437
Rank change year-on-year
+58 +18
Permanent jobs citing CentOS 722 749 703
As % of all permanent IT jobs located in the UK 0.81% 0.71% 0.62%
As % of the Operating Systems category 3.28% 2.69% 2.27%
Number of salaries quoted 599 678 653
Median salary £52,500 £47,500 £45,000
Median salary % change year-on-year
+10.52% +5.55%
90% offered a salary of more than £35,000 £32,500 £30,000
10% offered a salary of more than £70,000 £65,000 £60,000
UK excluding London median salary £45,000 £45,000 £40,000
% change year-on-year
- +12.50%

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
21997 27803 31037
As % of all permanent IT jobs located in the UK 24.54% 26.26% 27.34%
Number of salaries quoted 18474 23498 25864
Median salary £42,000 £42,500 £40,000
Median salary % change year-on-year
-1.17% +6.25%
90% offered a salary of more than £25,000 £24,500 £24,000
10% offered a salary of more than £67,500 £65,000 £65,000
UK excluding London median salary £37,500 £37,500 £37,500

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 10 December 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 10 December 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 +36 687 £55,000 +15.78% 113
London +17 322 £60,000 +20.00% 35
South East +17 176 £50,000 +5.26% 32
Berkshire +42 65 £52,500 +31.25% 11
North West +4 56 £40,000 -5.88% 13
Hampshire +5 49 £45,000 -5.26% 6
Surrey +11 44 £62,500 +19.04% 12
South West +30 37 £37,000 -1.33% 9
Manchester -9 30 £52,500 +16.66% 8
City of London +7 29 £62,500 +31.57% 7
West Midlands -3 26 £50,000 +33.33% 9
Reading +3 24 £45,250 +61.60% 9
East of England +33 21 £45,000 +5.88% 3
East Midlands +15 21 £60,000 +60.00% 2
Yorkshire +9 18 £45,000 +28.57% 9
Nottinghamshire - 18 £60,000 -
Egham +27 16 £65,000 +18.18%
Croydon +26 15 £45,000 -
Basingstoke -4 15 £35,000 -33.33% 3
Scotland +33 13 £46,000 +22.66% 4
Southampton +14 13 £45,000 -5.26%
Cambridgeshire +8 13 £50,000 +25.00% 2
South Wales +3 13 £41,250 +3.12% 3
Wales -7 13 £41,250 +3.12% 3
Slough +40 12 £70,000 +75.00% 1
Brighton +34 12 £35,000 - 2
East Sussex +32 12 £35,000 - 2
Cheshire +24 12 £39,000 +23.80% 2
Somerset +11 12 £26,000 -43.78%
Bristol +18 11 £36,500 -2.66% 4

CentOS
Top 30 Related IT Skills

For the 6 months to 10 December 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 1437 (100.00%) Linux
2 828 (57.62%) Red Hat
3 619 (43.08%) Red Hat Enterprise Linux
4 615 (42.80%) Windows
5 566 (39.39%) Puppet
6 548 (38.14%) Python
7 531 (36.95%) DevOps
8 495 (34.45%) Bash Shell
9 448 (31.18%) Apache
10 439 (30.55%) Amazon AWS
11 425 (29.58%) VMware
12 368 (25.61%) Ubuntu
13 367 (25.54%) Perl
14 365 (25.40%) Opscode Chef
15 359 (24.98%) MySQL
16 352 (24.50%) Ansible
17 337 (23.45%) Java
18 299 (20.81%) Configuration Management
19 290 (20.18%) Ruby
20 289 (20.11%) PHP
21 286 (19.90%) VMware Infrastructure
22 267 (18.58%) Jenkins
23 261 (18.16%) TCP/IP
24 249 (17.33%) Windows Server
25 247 (17.19%) SQL
26 240 (16.70%) Agile Software Development
27 238 (16.56%) Tomcat
28 225 (15.66%) LAMP
29 207 (14.41%) Finance
30 202 (14.06%) Active Directory

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
1 448 (31.18%) Apache
2 238 (16.56%) Tomcat
3 198 (13.78%) nginx
4 122 (8.49%) IIS
5 63 (4.38%) Confluence
5 63 (4.38%) JBoss
6 61 (4.24%) Elasticsearch
7 42 (2.92%) OpenStack
8 39 (2.71%) MS Exchange
9 29 (2.02%) WebLogic
10 23 (1.60%) Hubot
11 21 (1.46%) Apache Spark
11 21 (1.46%) Jetty
12 16 (1.11%) SharePoint
13 13 (0.90%) CMS
13 13 (0.90%) WordPress
14 12 (0.84%) Drupal
15 11 (0.77%) Exchange Server 2010
15 11 (0.77%) WebSphere
16 7 (0.49%) Skype for Business
Applications
1 72 (5.01%) MS Excel
2 29 (2.02%) MS Office
3 9 (0.63%) Photoshop
4 4 (0.28%) MS Visio
5 3 (0.21%) Adobe Illustrator
5 3 (0.21%) HipChat
5 3 (0.21%) InDesign
6 1 (0.070%) Adobe Creative Suite
6 1 (0.070%) Adobe Premiere
6 1 (0.070%) GNU Octave
6 1 (0.070%) Houdini
6 1 (0.070%) Maya
6 1 (0.070%) MS PowerPoint
6 1 (0.070%) MS Project
6 1 (0.070%) NUKE
Business Applications
1 10 (0.70%) SAP Oil and Gas
2 4 (0.28%) Magento
3 1 (0.070%) CODA-Financials
3 1 (0.070%) Dynamics CRM
3 1 (0.070%) Oracle Applications
Cloud Services
1 439 (30.55%) Amazon AWS
2 112 (7.79%) Microsoft Azure
3 87 (6.05%) SaaS
4 80 (5.57%) Amazon EC2
5 62 (4.31%) Amazon S3
6 44 (3.06%) IaaS
6 44 (3.06%) PaaS
7 36 (2.51%) AWS CloudFormation
7 36 (2.51%) Office 365
8 34 (2.37%) Amazon CloudWatch
9 31 (2.16%) Amazon SQS
9 31 (2.16%) Azure Active Directory
10 28 (1.95%) Slack
11 25 (1.74%) Cloud Computing
12 14 (0.97%) G Suite
13 13 (0.90%) GitHub
13 13 (0.90%) Virtual Private Cloud
14 12 (0.84%) AWS OpsWorks
15 8 (0.56%) Google Cloud Platform
16 7 (0.49%) OpenShift
Communications & Networking
1 261 (18.16%) TCP/IP
2 185 (12.87%) Firewall
3 177 (12.32%) DNS
4 118 (8.21%) SAN
5 95 (6.61%) WAN
6 94 (6.54%) LDAP
7 91 (6.33%) VPN
8 74 (5.15%) LAN
9 72 (5.01%) HTTP
10 69 (4.80%) VLAN
11 66 (4.59%) Network Security
12 59 (4.11%) Kerberos
13 57 (3.97%) SSL
13 57 (3.97%) VoIP
14 54 (3.76%) DHCP
15 50 (3.48%) IPsec
16 43 (2.99%) Internet
16 43 (2.99%) Wireshark
17 40 (2.78%) SSH
18 38 (2.64%) Cisco ASA
Database & Business Intelligence
1 359 (24.98%) MySQL
2 118 (8.21%) SQL Server
3 98 (6.82%) MongoDB
4 95 (6.61%) NoSQL
5 86 (5.98%) PostgreSQL
6 81 (5.64%) Hadoop
7 59 (4.11%) Apache Cassandra
8 53 (3.69%) Big Data
9 52 (3.62%) Redis
10 50 (3.48%) Amazon RDS
11 32 (2.23%) Relational Database
12 24 (1.67%) MariaDB
13 14 (0.97%) Couchbase
14 11 (0.77%) Data Warehouse
14 11 (0.77%) RDBMS
15 10 (0.70%) CouchDB
15 10 (0.70%) Neo4j
15 10 (0.70%) Pentaho
16 9 (0.63%) SAP HANA
17 8 (0.56%) Oracle Database
Development Applications
1 267 (18.58%) Jenkins
2 173 (12.04%) Git (software)
3 141 (9.81%) JIRA
4 79 (5.50%) Subversion
5 69 (4.80%) Vagrant
6 59 (4.11%) TeamCity
7 55 (3.83%) Atlassian Bamboo
8 48 (3.34%) Maven
9 30 (2.09%) Octopus Deploy
10 22 (1.53%) PHPUnit
11 19 (1.32%) Eclipse
11 19 (1.32%) Selenium
12 15 (1.04%) Gradle
13 12 (0.84%) Visual Studio
14 11 (0.77%) FishEye
15 10 (0.70%) Bitbucket
15 10 (0.70%) Talend Open Studio
16 9 (0.63%) Ant
16 9 (0.63%) JUnit
17 7 (0.49%) IntelliJ
General
1 207 (14.41%) Finance
2 78 (5.43%) Banking
2 78 (5.43%) Telecoms
3 62 (4.31%) Marketing
4 48 (3.34%) Games
5 36 (2.51%) Retail
6 29 (2.02%) Advertising
7 22 (1.53%) French Language
8 17 (1.18%) Pharmaceutical
9 16 (1.11%) Manufacturing
10 14 (0.97%) Electronics
11 12 (0.84%) Back Office
12 11 (0.77%) Publishing
13 10 (0.70%) Billing
13 10 (0.70%) Legal
14 9 (0.63%) Financial Institution
14 9 (0.63%) Front Office
15 8 (0.56%) German Language
16 6 (0.42%) Investment Banking
17 3 (0.21%) Law
Job Titles
1 356 (24.77%) Linux Engineer
2 349 (24.29%) Administrator
3 316 (21.99%) Systems Administrator
4 299 (20.81%) DevOps Engineer
5 223 (15.52%) Linux Administrator
6 210 (14.61%) Linux Systems Administrator
7 133 (9.26%) Linux/Unix DevOps
8 123 (8.56%) Systems Engineer
9 112 (7.79%) Developer
10 104 (7.24%) Support Engineer
11 102 (7.10%) Linux DevOps Engineer
12 97 (6.75%) AWS Engineer
13 90 (6.26%) Linux Systems Engineer
14 87 (6.05%) Applications Support
14 87 (6.05%) Infrastructure Engineer
15 80 (5.57%) AWS DevOps
16 70 (4.87%) Cloud Engineer
17 67 (4.66%) DevOps Administrator
18 65 (4.52%) Analyst
19 62 (4.31%) Senior Linux Engineer
Libraries, Frameworks & Software Standards
1 225 (15.66%) LAMP
2 186 (12.94%) Web Services
3 84 (5.85%) LEMP Stack
4 64 (4.45%) HTML
5 61 (4.24%) .NET
6 60 (4.18%) jQuery
7 59 (4.11%) XML
8 58 (4.04%) JSON
9 49 (3.41%) AngularJS
10 47 (3.27%) ELK Stack
11 45 (3.13%) CSS
12 44 (3.06%) LAPP Stack
12 44 (3.06%) Node.js
13 34 (2.37%) Middleware
14 31 (2.16%) REST
15 24 (1.67%) Apache Camel
15 24 (1.67%) Memcached
16 23 (1.60%) CakePHP
16 23 (1.60%) RESTful
16 23 (1.60%) SOAP
Miscellaneous
1 147 (10.23%) Data Centre
2 79 (5.50%) Computer Science
3 56 (3.90%) Clustering
4 55 (3.83%) Analytical Skills
5 44 (3.06%) Fintech
6 40 (2.78%) PKI
7 28 (1.95%) Hedge funds
7 28 (1.95%) Visualisation
8 24 (1.67%) Wiki
9 20 (1.39%) iPad
10 18 (1.25%) Management Information System
11 17 (1.18%) Replication
12 15 (1.04%) Cyberthreat
12 15 (1.04%) Hybrid Cloud
12 15 (1.04%) Public Cloud
12 15 (1.04%) Statistics
13 14 (0.97%) Mobile App
14 13 (0.90%) CMDB
15 12 (0.84%) Cybercrime
15 12 (0.84%) Mathematics
Operating Systems
1 1437 (100.00%) Linux
2 619 (43.08%) Red Hat Enterprise Linux
3 615 (42.80%) Windows
4 368 (25.61%) Ubuntu
5 249 (17.33%) Windows Server
6 186 (12.94%) Debian
7 181 (12.60%) Windows Server 2012
8 176 (12.25%) Unix
9 137 (9.53%) Windows Server 2008
10 78 (5.43%) Fedora
11 55 (3.83%) Solaris
12 31 (2.16%) SUSE
13 25 (1.74%) FreeBSD
14 22 (1.53%) Windows Server 2003
15 20 (1.39%) Windows 7
16 17 (1.18%) Mac OS X
17 16 (1.11%) SUSE Linux Enterprise Server
18 14 (0.97%) Oracle Linux
19 13 (0.90%) Windows 8
20 11 (0.77%) Windows 10
Processes & Methodologies
1 531 (36.95%) DevOps
2 299 (20.81%) Configuration Management
3 240 (16.70%) Agile Software Development
4 166 (11.55%) Continuous Integration
5 165 (11.48%) ITIL
6 152 (10.58%) Open Source
7 86 (5.98%) E-Commerce
8 80 (5.57%) High Availability
9 75 (5.22%) Load Balancing
10 61 (4.24%) SDLC
11 60 (4.18%) Scrum
12 51 (3.55%) Mentoring
13 48 (3.34%) Analytics
14 47 (3.27%) Software Engineering
15 45 (3.13%) Business Intelligence
16 44 (3.06%) Performance Monitoring
16 44 (3.06%) Release Management
17 42 (2.92%) Cybersecurity
18 41 (2.85%) Microservices
18 41 (2.85%) Presales
Programming Languages
1 548 (38.14%) Python
2 495 (34.45%) Bash Shell
3 367 (25.54%) Perl
4 337 (23.45%) Java
5 290 (20.18%) Ruby
6 289 (20.11%) PHP
7 247 (17.19%) SQL
8 151 (10.51%) JavaScript
9 111 (7.72%) Shell Script
10 107 (7.45%) PowerShell
11 76 (5.29%) C
12 69 (4.80%) C++
13 39 (2.71%) C#
14 24 (1.67%) Korn
15 20 (1.39%) Lua
16 18 (1.25%) Bourne shell
17 16 (1.11%) AWK
18 15 (1.04%) Groovy
19 13 (0.90%) Go
19 13 (0.90%) Scala
Qualifications
1 93 (6.47%) Security Cleared
2 79 (5.50%) Degree
3 72 (5.01%) Cisco Certification
4 55 (3.83%) AWS Certification
5 49 (3.41%) RHCE
6 40 (2.78%) CCNA
7 38 (2.64%) SC Cleared
8 37 (2.57%) Microsoft Certification
9 33 (2.30%) VMware Certified Professional (VCP)
10 32 (2.23%) CCNP
11 25 (1.74%) CISSP
12 24 (1.67%) RHCSA
13 21 (1.46%) DV Cleared
14 19 (1.32%) RHCA
15 16 (1.11%) MCSE
16 13 (0.90%) CEH
16 13 (0.90%) GCIA
16 13 (0.90%) ISEB
16 13 (0.90%) ISTQB
17 10 (0.70%) LPIC
Quality Assurance & Compliance
1 74 (5.15%) QA
2 39 (2.71%) ISO/IEC 27001
3 22 (1.53%) SLA
4 4 (0.28%) PCI DSS
5 2 (0.14%) GPG13
6 1 (0.070%) ISO 9001
6 1 (0.070%) Sarbanes-Oxley
System Software
1 286 (19.90%) VMware Infrastructure
2 202 (14.06%) Active Directory
3 160 (11.13%) Docker
4 62 (4.31%) vSphere
5 51 (3.55%) VMware ESX
6 42 (2.92%) Postfix
7 41 (2.85%) Hyper-V
7 41 (2.85%) Virtual Machines
8 40 (2.78%) KVM
9 39 (2.71%) NFS
10 38 (2.64%) vCloud
11 35 (2.44%) iptables
11 35 (2.44%) Varnish
12 30 (2.09%) Samba
13 27 (1.88%) VMware ESXi
14 22 (1.53%) XenServer
15 21 (1.46%) Sendmail
15 21 (1.46%) Squid
16 20 (1.39%) Virtual Servers
17 18 (1.25%) VirtualBox
Systems Management
1 566 (39.39%) Puppet
2 365 (25.40%) Opscode Chef
3 352 (24.50%) Ansible
4 130 (9.05%) Nagios
5 85 (5.92%) Salt
6 74 (5.15%) Terraform
7 42 (2.92%) SELinux
8 38 (2.64%) Kubernetes
9 33 (2.30%) ZABBIX
10 30 (2.09%) HAProxy
11 28 (1.95%) logstash
12 23 (1.60%) Graphite
13 21 (1.46%) Packer
14 20 (1.39%) Backup Exec
15 19 (1.32%) Grafana
16 18 (1.25%) Mesos
17 16 (1.11%) Rancher
17 16 (1.11%) rkt
18 15 (1.04%) Rundeck
19 14 (0.97%) Cacti
Vendors
1 828 (57.62%) Red Hat
2 425 (29.58%) VMware
3 193 (13.43%) Cisco
4 176 (12.25%) Microsoft
5 117 (8.14%) Oracle
6 68 (4.73%) Atlassian
6 68 (4.73%) Google
7 37 (2.57%) Citrix
8 36 (2.51%) New Relic
9 35 (2.44%) HP
10 29 (2.02%) Trend Micro
11 28 (1.95%) Sun
12 27 (1.88%) Dell
13 24 (1.67%) ServiceNow
14 23 (1.60%) EMC
15 22 (1.53%) Juniper
16 21 (1.46%) SAP
16 21 (1.46%) Veeam
17 19 (1.32%) Apple
18 17 (1.18%) SaltStack
Reading, Berkshire
Searchability
Salary: £30000 - £45000 per annum
Posted: Yesterday
London
Tria Recruitment
Salary: £55000 - £65000 per annum + Bonus
Posted: Yesterday
Farnborough, Hampshire
Venturi
Salary: £40000.00 - £70000 per annum
Posted: Yesterday
City, London
Harrington Starr
Salary: £70000 - £90000 per annum
Posted: 18 hours ago
Aldershot, Hampshire
ANSON MCCADE
Salary: £40,000 - £60,000
Posted: Yesterday
Reading, Berkshire
ANSON MCCADE
Salary: £40,000 - £60,000
Posted: Yesterday
Bristol Area
ANSON MCCADE
Salary: £40,000 - £60,000
Posted: Yesterday
Gloucester, Gloucestershire
ANSON MCCADE
Salary: £40,000 - £60,000
Posted: Yesterday
City, London
ANSON MCCADE
Salary: £40,000 - £60,000
Posted: Yesterday
Guildford, Surrey
ANSON MCCADE
Salary: £40,000 - £60,000
Posted: Yesterday
Brighton, East Sussex
ARC IT Recruitment Ltd
Salary: to 35k plus benefits
Posted: Yesterday
Basingstoke, Hampshire
Spectrum IT Recruitment (South) Ltd
Salary: £55000 - £65000 per annum + Benefits
Posted: Yesterday
City, London
ANSON MCCADE
Salary: £40,000 - £60,000
Posted: Yesterday
Cardiff, South Glamorgan
X4 Group
Salary: £50k - 70k per year
Posted: Yesterday
London
Joseph Harry Ltd
Salary: £50000 - £65000 per annum + 15% bonus + 10% pension
Posted: Yesterday
Manchester, Lancashire
Joseph Harry Ltd
Salary: £50000 - £75000 per annum + Bonus + Pension
Posted: Yesterday
Coventry, West Midlands (County)
Joseph Harry Ltd
Salary: £50000 - £75000 per annum + Bonus + Pension
Posted: Yesterday
London
Joseph Harry Ltd
Salary: £60000 - £80000 per annum + Bonus + Pension
Posted: Yesterday
Abingdon, Oxfordshire
Opus Recruitment Solutions Ltd
Salary: £50000 - £65000 per annum
Posted: 2 days ago
Reading, Berkshire
CGI
Salary: £35000 - £50000 per annum
Posted: Yesterday
Surrey
ISL
Salary: £60000.00 - £80000.00 per annum + Benefits
Posted: 2 days ago
City, London
Miller Maxwell Ltd
Salary: From £35,000 to £45,000 per annum + Bonus & benefits
Posted: Yesterday
Chester, Cheshire
Oscar
Salary: £30000 - £40000 per annum
Posted: 4 days ago
Reading, Berkshire
Deanslist Limited
Salary: From £35,000 to £55,000 per annum + Bonus + Excellent Benefits
Posted: 2 days ago
City, London
Senitor Associates
Salary: £40000 - £50000 per annum + great company
Posted: 2 days ago
Warwick, Warwickshire
First Utility
Salary: From £45,000 to £55,000 per annum + Bonus + Excellent Benefits
Posted: Yesterday
Sutton, Surrey
Tria Recruitment
Salary: £65000 - £75000 per annum
Posted: 3 days ago
Guildford, Surrey
Oscar
Salary: £45000 - £60000 per annum
Posted: 3 days ago
Woking, Surrey
Venturi
Salary: £55000.00 - £60000.00 per annum + bonus and benefits package
Posted: 2 days ago
Chesterfield, Derbyshire
HAYS INFORMATION TECHNOLOGY
Salary: Competitive Salary
Posted: 3 days ago