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 17 January 2017 with a comparison to the same period over the previous 2 years.

3 months to
17 Jan 2017
Same period 2016 Same period 2015
CentOS Linux
UK
Rank 372 402 445
Rank change year-on-year
+30 +43
Permanent jobs citing CentOS 655 718 639
As % of all permanent IT jobs located in the UK 0.78% 0.73% 0.62%
As % of the Operating Systems category 3.21% 2.81% 2.25%
Number of salaries quoted 552 655 577
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 £33,000 £30,000
10% offered a salary of more than £75,000 £67,500 £60,000
UK excluding London median salary £45,000 £45,000 £41,500
% change year-on-year
- +8.43%

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
20382 25591 28400
As % of all permanent IT jobs located in the UK 24.25% 26.01% 27.60%
Number of salaries quoted 17224 21623 23750
Median salary £42,500 £42,000 £40,000
Median salary % change year-on-year
+1.19% +5.00%
90% offered a salary of more than £25,000 £25,000 £24,150
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 17 January 2017 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 17 January 2017. 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 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 +36 634 £52,500 +8.24% 79
London +8 278 £57,500 +9.52% 28
South East +48 181 £52,500 +10.52% 22
Berkshire +82 98 £55,000 +4.76% 9
North West -6 51 £45,000 +12.50% 4
Reading +37 38 £50,000 +29.03% 5
Hampshire +8 36 £45,000 -5.26% 4
West Midlands +23 33 £50,000 +33.33% 5
Surrey +9 32 £65,000 +18.18% 6
Manchester -29 29 £52,500 +31.25% 4
South West +22 26 £37,500 -6.25% 6
City of London +23 25 £60,000 +20.00% 7
Slough +49 22 £70,000 +33.33%
Basingstoke +10 22 £51,250 -2.38% 4
East Midlands +26 20 £57,500 +27.77% 2
East of England +22 19 £45,000 +20.00% 6
Yorkshire +4 19 £40,000 - 4
Warwickshire - 19 £50,000 - 1
Warwick - 18 £50,000 - 1
Nottinghamshire - 16 £60,000 - 1
Croydon +19 15 £47,500 +5.55%
Maidenhead +12 12 £37,500 -6.25% 2
East Sussex +26 11 £35,000 - 1
Brighton +24 11 £35,000 -
Egham +13 11 £65,000 +18.18%
Gloucestershire -20 11 £37,500 - 3
Scotland +23 10 £43,000 +24.63% 1
Cambridgeshire +7 10 £50,000 +33.33% 2
Nottingham - 10 £60,000 - 1
Liverpool 0 9 £46,250 +42.30%

CentOS
Top 30 Related IT Skills

For the 6 months to 17 January 2017, 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 1347 (100.00%) Linux
2 763 (56.64%) Red Hat
3 574 (42.61%) Red Hat Enterprise Linux
4 554 (41.13%) Windows
5 546 (40.53%) DevOps
6 542 (40.24%) Puppet
7 526 (39.05%) Python
8 468 (34.74%) Bash Shell
9 405 (30.07%) Apache
10 398 (29.55%) VMware
10 398 (29.55%) Amazon AWS
11 374 (27.77%) Ubuntu
12 360 (26.73%) Opscode Chef
13 342 (25.39%) MySQL
14 341 (25.32%) Ansible
15 325 (24.13%) Perl
16 318 (23.61%) Java
17 293 (21.75%) Configuration Management
18 261 (19.38%) VMware Infrastructure
19 254 (18.86%) PHP
20 251 (18.63%) Ruby
21 250 (18.56%) Jenkins
22 242 (17.97%) Agile Software Development
23 229 (17.00%) SQL
24 221 (16.41%) TCP/IP
25 210 (15.59%) Windows Server
26 202 (15.00%) LAMP
27 195 (14.48%) Tomcat
28 187 (13.88%) Git (software)
29 176 (13.07%) Continuous Integration

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
1 405 (30.07%) Apache
2 195 (14.48%) Tomcat
3 160 (11.88%) nginx
4 123 (9.13%) IIS
5 58 (4.31%) Confluence
6 51 (3.79%) Elasticsearch
7 46 (3.41%) OpenStack
8 40 (2.97%) JBoss
9 33 (2.45%) MS Exchange
10 23 (1.71%) Apache Spark
11 22 (1.63%) WebLogic
12 21 (1.56%) Jetty
13 17 (1.26%) Hubot
14 15 (1.11%) CMS
15 12 (0.89%) SharePoint
16 10 (0.74%) Exchange Server 2010
16 10 (0.74%) WordPress
17 9 (0.67%) Drupal
17 9 (0.67%) WebSphere
18 6 (0.45%) Apache Solr
Applications
1 66 (4.90%) MS Excel
2 27 (2.00%) MS Office
3 13 (0.97%) Photoshop
4 4 (0.30%) MS Visio
5 3 (0.22%) Adobe Illustrator
5 3 (0.22%) HipChat
5 3 (0.22%) InDesign
6 1 (0.074%) Adobe Creative Suite
6 1 (0.074%) Adobe Premiere
6 1 (0.074%) GNU Octave
6 1 (0.074%) Houdini
6 1 (0.074%) Maya
6 1 (0.074%) MS PowerPoint
6 1 (0.074%) MS Project
6 1 (0.074%) NUKE
Business Applications
1 13 (0.97%) SAP Oil and Gas
2 8 (0.59%) Magento
3 3 (0.22%) Eloqua
3 3 (0.22%) Oracle EBS
4 1 (0.074%) Dynamics CRM
4 1 (0.074%) Oracle Applications
Cloud Services
1 398 (29.55%) Amazon AWS
2 104 (7.72%) Microsoft Azure
3 88 (6.53%) SaaS
4 61 (4.53%) Amazon EC2
5 47 (3.49%) Amazon S3
6 43 (3.19%) AWS CloudFormation
7 36 (2.67%) PaaS
8 34 (2.52%) IaaS
9 32 (2.38%) Amazon CloudWatch
10 31 (2.30%) Office 365
11 29 (2.15%) Amazon SQS
11 29 (2.15%) Azure Active Directory
12 23 (1.71%) Cloud Computing
13 22 (1.63%) Slack
14 14 (1.04%) GitHub
15 11 (0.82%) Virtual Private Cloud
16 10 (0.74%) G Suite
17 8 (0.59%) AWS OpsWorks
18 6 (0.45%) Google Cloud Platform
19 4 (0.30%) Route 53
Communications & Networking
1 221 (16.41%) TCP/IP
2 148 (10.99%) Firewall
3 146 (10.84%) DNS
4 117 (8.69%) SAN
5 100 (7.42%) WAN
6 94 (6.98%) VPN
7 78 (5.79%) LAN
8 72 (5.35%) LDAP
9 62 (4.60%) VLAN
10 60 (4.45%) HTTP
10 60 (4.45%) VoIP
11 57 (4.23%) Network Security
12 54 (4.01%) DHCP
13 48 (3.56%) Kerberos
14 47 (3.49%) SSL
15 41 (3.04%) IPsec
16 40 (2.97%) Wireshark
17 39 (2.90%) SSH
18 38 (2.82%) Internet
19 37 (2.75%) Cisco ASA
Database & Business Intelligence
1 342 (25.39%) MySQL
2 97 (7.20%) SQL Server
3 84 (6.24%) MongoDB
4 83 (6.16%) NoSQL
5 78 (5.79%) Hadoop
6 69 (5.12%) PostgreSQL
7 55 (4.08%) Apache Cassandra
8 47 (3.49%) Big Data
9 40 (2.97%) Amazon RDS
10 39 (2.90%) Redis
11 29 (2.15%) Relational Database
12 14 (1.04%) MariaDB
13 13 (0.97%) RDBMS
14 12 (0.89%) Neo4j
14 12 (0.89%) Pentaho
15 11 (0.82%) Oracle Database
16 10 (0.74%) Couchbase
16 10 (0.74%) CouchDB
16 10 (0.74%) Data Warehouse
16 10 (0.74%) SAP HANA
Development Applications
1 250 (18.56%) Jenkins
2 187 (13.88%) Git (software)
3 127 (9.43%) JIRA
4 81 (6.01%) Vagrant
5 63 (4.68%) Subversion
6 62 (4.60%) TeamCity
7 59 (4.38%) Atlassian Bamboo
8 38 (2.82%) Maven
9 37 (2.75%) Octopus Deploy
10 20 (1.48%) Bitbucket
11 17 (1.26%) Eclipse
12 16 (1.19%) Gradle
12 16 (1.19%) PHPUnit
13 15 (1.11%) JUnit
14 14 (1.04%) Hudson
15 13 (0.97%) Selenium
16 12 (0.89%) Talend Open Studio
16 12 (0.89%) Visual Studio
17 11 (0.82%) Ant
17 11 (0.82%) FishEye
General
1 167 (12.40%) Finance
2 85 (6.31%) Telecoms
3 66 (4.90%) Marketing
4 54 (4.01%) Banking
5 37 (2.75%) Games
6 27 (2.00%) Advertising
7 26 (1.93%) Retail
8 18 (1.34%) Electronics
8 18 (1.34%) Manufacturing
9 17 (1.26%) French Language
10 12 (0.89%) Billing
11 11 (0.82%) Front Office
12 10 (0.74%) Legal
13 9 (0.67%) Financial Institution
13 9 (0.67%) German Language
14 8 (0.59%) Back Office
14 8 (0.59%) Pharmaceutical
15 4 (0.30%) Publishing
16 3 (0.22%) Investment Banking
16 3 (0.22%) Law
Job Titles
1 336 (24.94%) Administrator
2 327 (24.28%) Linux Engineer
3 321 (23.83%) Systems Administrator
4 310 (23.01%) DevOps Engineer
5 214 (15.89%) Linux Administrator
6 212 (15.74%) Linux Systems Administrator
7 135 (10.02%) Linux/Unix DevOps
8 111 (8.24%) Systems Engineer
9 105 (7.80%) Linux DevOps Engineer
10 98 (7.28%) Developer
11 92 (6.83%) AWS Engineer
12 86 (6.38%) AWS DevOps
13 84 (6.24%) Linux Systems Engineer
14 82 (6.09%) Infrastructure Engineer
15 75 (5.57%) Support Engineer
16 70 (5.20%) DevOps Administrator
17 66 (4.90%) Senior DevOps
18 64 (4.75%) Applications Support
18 64 (4.75%) Senior DevOps Engineer
19 62 (4.60%) Cloud Engineer
Libraries, Frameworks & Software Standards
1 202 (15.00%) LAMP
2 169 (12.55%) Web Services
3 70 (5.20%) LEMP Stack
4 69 (5.12%) HTML
5 66 (4.90%) .NET
6 64 (4.75%) Node.js
7 54 (4.01%) jQuery
8 50 (3.71%) ELK Stack
9 44 (3.27%) AngularJS
10 43 (3.19%) JSON
11 41 (3.04%) CSS
12 40 (2.97%) XML
13 31 (2.30%) LAPP Stack
14 30 (2.23%) RESTful
15 29 (2.15%) Middleware
16 26 (1.93%) Apache Camel
17 25 (1.86%) ActiveMQ
18 24 (1.78%) REST
19 19 (1.41%) HTML5
19 19 (1.41%) Spring
Miscellaneous
1 126 (9.35%) Data Centre
2 79 (5.86%) Computer Science
3 57 (4.23%) Analytical Skills
4 51 (3.79%) Fintech
5 45 (3.34%) Clustering
6 34 (2.52%) Hedge funds
7 31 (2.30%) Visualisation
8 30 (2.23%) PKI
9 24 (1.78%) Wiki
10 20 (1.48%) Mobile App
11 16 (1.19%) iPad
11 16 (1.19%) Public Cloud
12 15 (1.11%) Management Information System
13 14 (1.04%) Replication
14 13 (0.97%) CMDB
15 12 (0.89%) Mathematics
15 12 (0.89%) Smart Meter
15 12 (0.89%) Statistics
16 11 (0.82%) Cybercrime
16 11 (0.82%) Hybrid Cloud
Operating Systems
1 1347 (100.00%) Linux
2 574 (42.61%) Red Hat Enterprise Linux
3 554 (41.13%) Windows
4 374 (27.77%) Ubuntu
5 210 (15.59%) Windows Server
6 176 (13.07%) Debian
7 160 (11.88%) Unix
8 139 (10.32%) Windows Server 2012
9 96 (7.13%) Windows Server 2008
10 68 (5.05%) Fedora
11 51 (3.79%) Solaris
12 22 (1.63%) SUSE
13 20 (1.48%) SUSE Linux Enterprise Server
14 19 (1.41%) Oracle Linux
15 18 (1.34%) FreeBSD
15 18 (1.34%) Windows 7
15 18 (1.34%) Windows Server 2003
16 14 (1.04%) Mac OS X
17 13 (0.97%) Windows 8
18 9 (0.67%) AIX
Processes & Methodologies
1 546 (40.53%) DevOps
2 293 (21.75%) Configuration Management
3 242 (17.97%) Agile Software Development
4 176 (13.07%) Continuous Integration
5 174 (12.92%) Open Source
6 153 (11.36%) ITIL
7 89 (6.61%) High Availability
8 77 (5.72%) E-Commerce
9 71 (5.27%) Scrum
10 65 (4.83%) Load Balancing
11 61 (4.53%) Software Engineering
12 54 (4.01%) Microservices
13 51 (3.79%) Performance Monitoring
14 50 (3.71%) Mentoring
15 48 (3.56%) Business Intelligence
16 46 (3.41%) Continuous Delivery
17 45 (3.34%) Analytics
17 45 (3.34%) SDLC
18 38 (2.82%) OO
18 38 (2.82%) Release Management
Programming Languages
1 526 (39.05%) Python
2 468 (34.74%) Bash Shell
3 325 (24.13%) Perl
4 318 (23.61%) Java
5 254 (18.86%) PHP
6 251 (18.63%) Ruby
7 229 (17.00%) SQL
8 137 (10.17%) JavaScript
9 107 (7.94%) PowerShell
10 89 (6.61%) Shell Script
11 83 (6.16%) C
12 62 (4.60%) C++
13 35 (2.60%) C#
14 28 (2.08%) Korn
15 27 (2.00%) Groovy
16 21 (1.56%) Lua
17 19 (1.41%) Bourne shell
18 18 (1.34%) Scala
19 14 (1.04%) Jython
20 13 (0.97%) Go
Qualifications
1 84 (6.24%) Security Cleared
2 79 (5.86%) Degree
3 65 (4.83%) Cisco Certification
4 55 (4.08%) AWS Certification
5 41 (3.04%) Microsoft Certification
6 40 (2.97%) CCNA
7 32 (2.38%) RHCE
8 31 (2.30%) VMware Certified Professional (VCP)
9 30 (2.23%) SC Cleared
10 27 (2.00%) CISSP
11 24 (1.78%) CCNP
12 23 (1.71%) DV Cleared
13 19 (1.41%) CEH
13 19 (1.41%) GCIA
13 19 (1.41%) RHCA
14 15 (1.11%) MCSE
14 15 (1.11%) RHCSA
15 9 (0.67%) LPIC
16 7 (0.52%) ISEB
16 7 (0.52%) ISTQB
Quality Assurance & Compliance
1 62 (4.60%) QA
2 29 (2.15%) ISO/IEC 27001
3 22 (1.63%) SLA
4 6 (0.45%) PCI DSS
5 2 (0.15%) GPG13
6 1 (0.074%) ISO 9001
6 1 (0.074%) Sarbanes-Oxley
System Software
1 261 (19.38%) VMware Infrastructure
2 176 (13.07%) Active Directory
3 170 (12.62%) Docker
4 51 (3.79%) vSphere
5 44 (3.27%) Hyper-V
6 42 (3.12%) KVM
7 40 (2.97%) VMware ESX
8 36 (2.67%) vCloud
9 35 (2.60%) Varnish
9 35 (2.60%) Virtual Machines
10 34 (2.52%) NFS
11 30 (2.23%) Postfix
12 28 (2.08%) iptables
13 26 (1.93%) XenServer
14 24 (1.78%) Samba
14 24 (1.78%) VirtualBox
15 23 (1.71%) Xen
16 22 (1.63%) Squid
16 22 (1.63%) Virtual Servers
17 19 (1.41%) Kamailio
Systems Management
1 542 (40.24%) Puppet
2 360 (26.73%) Opscode Chef
3 341 (25.32%) Ansible
4 128 (9.50%) Nagios
5 89 (6.61%) Salt
6 88 (6.53%) Terraform
7 50 (3.71%) Kubernetes
8 44 (3.27%) SELinux
9 29 (2.15%) Mesos
10 28 (2.08%) ZABBIX
11 26 (1.93%) Packer
12 23 (1.71%) HAProxy
12 23 (1.71%) logstash
13 21 (1.56%) Grafana
14 20 (1.48%) Graphite
15 17 (1.26%) Rancher
15 17 (1.26%) rkt
16 16 (1.19%) Consul
17 15 (1.11%) CFEngine
17 15 (1.11%) Rundeck
Vendors
1 763 (56.64%) Red Hat
2 398 (29.55%) VMware
3 163 (12.10%) Cisco
4 157 (11.66%) Microsoft
5 109 (8.09%) Oracle
6 59 (4.38%) Google
7 58 (4.31%) Atlassian
8 46 (3.41%) New Relic
9 31 (2.30%) Dell
10 30 (2.23%) HP
11 29 (2.15%) Citrix
11 29 (2.15%) Sun
11 29 (2.15%) Trend Micro
12 26 (1.93%) ServiceNow
13 25 (1.86%) SAP
14 21 (1.56%) EMC
14 21 (1.56%) Juniper
15 17 (1.26%) Veeam
16 16 (1.19%) SaltStack
17 14 (1.04%) IBM
Reigate, Surrey
Total Recruitment Specialists Limited / TRG / Total recruitment group
Salary: £60000 - £75000 Per Annum Plus Bonus and Benefits
Posted: 12 hours ago
London
Verticality Ltd
Salary: £50000 - £65000 per annum, Benefits Benefits & equity
Posted: 8 hours ago
Guildford, Surrey
Oscar
Salary: £45000 - £60000 per annum
Posted: 15 hours ago
Basingstoke, Hampshire
Spectrum IT Recruitment (South) Ltd
Salary: £55000 - £65000 per annum + Benefits
Posted: 9 hours ago
Basingstoke, Hampshire
IT Talent Solutions
Salary: From £50,000 to £65,000 per annum
Posted: 1 hour ago
North West London
Davanti Solutions
Salary: £55,000 per annum
Posted: 6 hours ago
Hertfordshire
Ashdown IT
Salary: £45000 - £55000 per annum + additional benefits
Posted: 11 hours ago
London
Harris Global
Salary: Up to £80,000 per annum + bonus and benefits
Posted: 8 hours ago
Kings Langley, Hertfordshire
Technical Futures
Salary: Excellent Package
Posted: 13 hours ago
London
Opus Recruitment Solutions Ltd
Salary: £40000 - £45000 per annum
Posted: Yesterday
Reading, Berkshire
Searchability
Salary: £30000 - £45000 per annum
Posted: Yesterday
Birmingham, West Midlands (County)
Capita Resourcing - IT Resourcing
Salary: £45000 - £55000.00 per annum
Posted: Yesterday
London
Hanover IT Recruitment
Salary: From £45,000 to £60,000 per annum
Posted: Yesterday
West London
OpenBet Technology
Salary: Competitive Salary + Benefits
Posted: Yesterday
Stockport, Cheshire
Harvey Nash plc
Posted: Yesterday
Maidenhead, Berkshire
Fenwick Ryan
Salary: £35000 - £45000 per annum + BIG BENS, Bonus, Stock, CISSP
Posted: 16 hours ago
South West London
In Practice Systems Ltd
Salary: Unspecified Competitive plus Company Benefits
Posted: 11 hours ago
London
Nigel Frank International Ltd
Posted: Yesterday
London
First Point
Salary: £40000 - £55000 per annum + bonus + pension
Posted: Yesterday
Nottingham, Nottinghamshire
Rebel Recruitment
Salary: From £45,000 to £50,000 per annum
Posted: Yesterday
Welwyn Garden City, Hertfordshire
Understanding Recruitment
Salary: £40000 - £50000 per annum + Execllent benefits
Posted: 2 days ago
Sheffield, South Yorkshire
Magezine Publishing Ltd
Salary: Salary: Negotiable depending on experience
Posted: 13 hours ago
Brentford, Middlesex
Sega Europe
Salary: Salary + competitive bonus + benefits package
Posted: Yesterday
Reading, Berkshire
Deanslist Limited
Salary: From £35,000 to £55,000 per annum + Bonus + Excellent Benefits
Posted: 2 days ago
Edinburgh, Midlothian
Search Consultancy
Salary: Benefits including bonus
Posted: Yesterday
Hove, East Sussex
X4 Group
Salary: £40k - 50k per year
Posted: 4 days ago
Gloucester, Gloucestershire
Sanderson
Salary: £30000 - £50000 per annum
Posted: 4 days ago
City, London
X4 Group
Salary: Market related
Posted: 4 days ago
Maidenhead, Berkshire
Fenwick Ryan
Salary: £35000 - £45000 per annum + BIG BENS, Bonus, Stock, CISSP
Posted: Yesterday
Gloucestershire
Informatiq Consulting
Salary: £40000 - £45000 per annum + Benefits
Posted: 5 days ago