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 22 February 2017 with a comparison to the same period over the previous 2 years.

3 months to
22 Feb 2017
Same period 2016 Same period 2015
CentOS Linux
UK
Rank 390 408 416
Rank change year-on-year
+18 +8
Permanent jobs citing CentOS 606 744 714
As % of all permanent IT jobs located in the UK 0.72% 0.73% 0.68%
As % of the Operating Systems category 3.04% 2.79% 2.48%
Number of salaries quoted 525 653 642
Median salary £50,000 £50,000 £45,000
Median salary % change year-on-year
- +11.11%
90% offered a salary of more than £35,000 £32,500 £30,000
10% offered a salary of more than £71,500 £69,500 £63,000
UK excluding London median salary £45,000 £45,000 £41,000
% change year-on-year
- +9.75%

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
19943 26662 28761
As % of all permanent IT jobs located in the UK 23.75% 26.04% 27.31%
Number of salaries quoted 16823 22475 24128
Median salary £41,000 £41,500 £40,000
Median salary % change year-on-year
-1.20% +3.75%
90% offered a salary of more than £25,000 £25,000 £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 22 February 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 22 February 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 +9 582 £50,000 - 102
London -28 231 £57,500 +4.54% 34
South East +75 184 £50,000 +5.26% 19
Berkshire +90 106 £55,000 - 5
North West -34 37 £45,000 +28.57% 7
Reading +51 35 £50,000 +5.26% 4
Manchester -28 33 £45,000 +12.50% 4
South West +25 31 £37,500 -6.25% 7
West Midlands +30 30 £50,000 +8.69% 9
Surrey +37 29 £57,500 +4.54% 3
City of London +29 28 £55,000 -8.33% 8
Slough +53 26 £67,500 +3.84%
Hampshire +6 23 £55,000 +52.77% 4
Yorkshire +11 22 £40,000 -9.09% 9
Maidenhead +26 21 £40,000 +33.33%
East Midlands +26 21 £31,500 -3.07% 7
Gloucestershire -7 21 £37,500 -6.25% 1
Warwickshire +50 19 £50,000 -9.09% 1
Basingstoke +15 18 £58,750 +20.51% 1
East of England +19 17 £45,000 +20.00% 8
Warwick - 17 £50,000 -
West Yorkshire +23 16 £40,000 -36.00% 2
Leeds +36 14 £40,000 -9.09% 1
Nottinghamshire +8 13 £43,350 +41.55% 2
Hertfordshire +16 10 £45,000 +2.27% 4
Nottingham +13 10 £43,350 +41.55% 2
Wales +12 10 £37,500 -16.66% 2
Welwyn Garden City - 10 £45,000 - 2
Oxfordshire 0 9 £50,000 +6.38% 4
Scotland +21 8 £37,500 +10.29% 2

CentOS
Top 30 Related IT Skills

For the 6 months to 22 February 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 1341 (100.00%) Linux
2 744 (55.48%) Red Hat
3 568 (42.36%) DevOps
4 545 (40.64%) Python
5 534 (39.82%) Red Hat Enterprise Linux
6 529 (39.45%) Puppet
7 526 (39.22%) Windows
8 461 (34.38%) Bash Shell
9 395 (29.46%) Ubuntu
10 388 (28.93%) Apache
11 385 (28.71%) Amazon AWS
12 384 (28.64%) VMware
13 375 (27.96%) Opscode Chef
14 357 (26.62%) MySQL
15 337 (25.13%) Ansible
16 326 (24.31%) Java
17 308 (22.97%) Perl
18 274 (20.43%) Configuration Management
19 257 (19.16%) VMware Infrastructure
20 254 (18.94%) PHP
21 250 (18.64%) SQL
22 243 (18.12%) Jenkins
23 241 (17.97%) Agile Software Development
24 238 (17.75%) Ruby
25 210 (15.66%) Windows Server
26 206 (15.36%) TCP/IP
27 205 (15.29%) Git (software)
28 203 (15.14%) Open Source
28 203 (15.14%) LAMP
29 199 (14.84%) Debian

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
1 388 (28.93%) Apache
2 170 (12.68%) Tomcat
3 159 (11.86%) nginx
4 119 (8.87%) IIS
5 72 (5.37%) Elasticsearch
6 58 (4.33%) Confluence
6 58 (4.33%) OpenStack
7 32 (2.39%) JBoss
8 29 (2.16%) MS Exchange
9 24 (1.79%) Apache Spark
10 20 (1.49%) Jetty
11 19 (1.42%) CMS
12 18 (1.34%) WebLogic
13 16 (1.19%) WebSphere
14 12 (0.89%) Hubot
15 11 (0.82%) SharePoint
16 8 (0.60%) Cloud Foundry
16 8 (0.60%) Exchange Server 2010
16 8 (0.60%) WordPress
17 7 (0.52%) concrete5
Applications
1 56 (4.18%) MS Excel
2 24 (1.79%) MS Office
3 15 (1.12%) Photoshop
4 3 (0.22%) Adobe Illustrator
4 3 (0.22%) HipChat
4 3 (0.22%) InDesign
4 3 (0.22%) MS Visio
5 1 (0.075%) Adobe Captivate
5 1 (0.075%) Adobe Creative Suite
5 1 (0.075%) Adobe Premiere
5 1 (0.075%) GNU Octave
5 1 (0.075%) Houdini
5 1 (0.075%) Maya
5 1 (0.075%) NUKE
Business Applications
1 14 (1.04%) SAP Oil and Gas
2 10 (0.75%) Magento
3 5 (0.37%) Eloqua
3 5 (0.37%) Oracle EBS
4 1 (0.075%) Dynamics CRM
4 1 (0.075%) OpenCart
4 1 (0.075%) Oracle Applications
Cloud Services
1 385 (28.71%) Amazon AWS
2 105 (7.83%) Microsoft Azure
3 99 (7.38%) SaaS
4 58 (4.33%) Amazon EC2
5 48 (3.58%) Amazon S3
5 48 (3.58%) AWS CloudFormation
6 42 (3.13%) PaaS
7 39 (2.91%) IaaS
8 31 (2.31%) Amazon CloudWatch
9 30 (2.24%) Azure Active Directory
10 27 (2.01%) Office 365
11 25 (1.86%) Amazon SQS
12 24 (1.79%) Cloud Computing
13 17 (1.27%) Slack
14 14 (1.04%) Virtual Private Cloud
15 13 (0.97%) GitHub
16 10 (0.75%) G Suite
17 9 (0.67%) Google Cloud Platform
17 9 (0.67%) Route 53
18 6 (0.45%) Sage Pay
Communications & Networking
1 206 (15.36%) TCP/IP
2 149 (11.11%) DNS
3 135 (10.07%) Firewall
4 109 (8.13%) SAN
5 87 (6.49%) VPN
6 85 (6.34%) WAN
7 71 (5.29%) LAN
7 71 (5.29%) LDAP
8 65 (4.85%) HTTP
9 52 (3.88%) DHCP
10 49 (3.65%) VoIP
11 46 (3.43%) VLAN
12 45 (3.36%) Network Security
13 41 (3.06%) Kerberos
14 36 (2.68%) Internet
14 36 (2.68%) SSH
14 36 (2.68%) SSL
15 33 (2.46%) Wireshark
16 29 (2.16%) IPsec
16 29 (2.16%) SMTP
Database & Business Intelligence
1 357 (26.62%) MySQL
2 112 (8.35%) NoSQL
3 94 (7.01%) SQL Server
4 78 (5.82%) MongoDB
5 75 (5.59%) Hadoop
6 73 (5.44%) PostgreSQL
7 63 (4.70%) Apache Cassandra
8 57 (4.25%) Big Data
9 52 (3.88%) Redis
10 42 (3.13%) Amazon RDS
11 28 (2.09%) Relational Database
12 20 (1.49%) MariaDB
13 18 (1.34%) Data Warehouse
14 15 (1.12%) Oracle Database
15 12 (0.89%) CouchDB
16 10 (0.75%) Neo4j
16 10 (0.75%) Pentaho
16 10 (0.75%) RDBMS
16 10 (0.75%) SAP HANA
17 9 (0.67%) InfluxDB
Development Applications
1 243 (18.12%) Jenkins
2 205 (15.29%) Git (software)
3 115 (8.58%) JIRA
4 88 (6.56%) Vagrant
5 59 (4.40%) Subversion
5 59 (4.40%) TeamCity
6 54 (4.03%) Atlassian Bamboo
7 33 (2.46%) Maven
7 33 (2.46%) Octopus Deploy
8 25 (1.86%) Bitbucket
9 20 (1.49%) JUnit
10 14 (1.04%) Visual Studio
11 13 (0.97%) EasyMock
11 13 (0.97%) Eclipse
11 13 (0.97%) Hudson
12 12 (0.89%) FishEye
12 12 (0.89%) Gradle
12 12 (0.89%) PHPUnit
12 12 (0.89%) Talend Open Studio
13 9 (0.67%) MSBuild
General
1 167 (12.45%) Finance
2 93 (6.94%) Telecoms
3 68 (5.07%) Marketing
4 49 (3.65%) Games
5 44 (3.28%) Banking
6 26 (1.94%) Advertising
7 21 (1.57%) Retail
8 19 (1.42%) Electronics
8 19 (1.42%) Manufacturing
9 12 (0.89%) Billing
10 11 (0.82%) Front Office
11 10 (0.75%) French Language
12 9 (0.67%) German Language
12 9 (0.67%) Legal
13 8 (0.60%) Back Office
13 8 (0.60%) Financial Institution
14 5 (0.37%) Pharmaceutical
15 3 (0.22%) Law
16 2 (0.15%) Military
16 2 (0.15%) Publishing
Job Titles
1 344 (25.65%) Administrator
2 338 (25.21%) Systems Administrator
3 311 (23.19%) DevOps Engineer
4 297 (22.15%) Linux Engineer
5 227 (16.93%) Linux Systems Administrator
6 225 (16.78%) Linux Administrator
7 129 (9.62%) Linux/Unix DevOps
8 104 (7.76%) Systems Engineer
9 100 (7.46%) Developer
10 99 (7.38%) Linux DevOps Engineer
11 80 (5.97%) AWS Engineer
12 77 (5.74%) Infrastructure Engineer
12 77 (5.74%) Linux Systems Engineer
13 75 (5.59%) AWS DevOps
14 74 (5.52%) Senior DevOps
15 72 (5.37%) Senior DevOps Engineer
16 66 (4.92%) Support Engineer
17 64 (4.77%) DevOps Administrator
18 62 (4.62%) Senior Systems Administrator
19 61 (4.55%) Applications Support
Libraries, Frameworks & Software Standards
1 203 (15.14%) LAMP
2 161 (12.01%) Web Services
3 88 (6.56%) HTML
4 75 (5.59%) Node.js
5 68 (5.07%) LEMP Stack
6 63 (4.70%) .NET
7 52 (3.88%) CSS
8 49 (3.65%) RESTful
9 46 (3.43%) Elastic Stack
9 46 (3.43%) jQuery
10 41 (3.06%) JSON
11 37 (2.76%) AngularJS
12 28 (2.09%) XML
13 27 (2.01%) ActiveMQ
14 24 (1.79%) LAPP Stack
15 23 (1.72%) REST
16 22 (1.64%) HTML5
17 20 (1.49%) Sensu
17 20 (1.49%) SOAP
17 20 (1.49%) Spring
Miscellaneous
1 105 (7.83%) Data Centre
2 86 (6.41%) Computer Science
3 72 (5.37%) Analytical Skills
4 64 (4.77%) Linux Command Line
5 49 (3.65%) Fintech
6 38 (2.83%) Clustering
7 36 (2.68%) Hedge funds
8 25 (1.86%) Mobile App
8 25 (1.86%) PKI
9 23 (1.72%) Wiki
10 17 (1.27%) Cyberthreat
10 17 (1.27%) Management Information System
11 16 (1.19%) Replication
12 14 (1.04%) iPad
12 14 (1.04%) Public Cloud
13 12 (0.89%) Enterprise Software
13 12 (0.89%) Smart Meter
13 12 (0.89%) User Experience
14 9 (0.67%) Driving Licence
14 9 (0.67%) Private Cloud
Operating Systems
1 1341 (100.00%) Linux
2 534 (39.82%) Red Hat Enterprise Linux
3 526 (39.22%) Windows
4 395 (29.46%) Ubuntu
5 210 (15.66%) Windows Server
6 199 (14.84%) Debian
7 169 (12.60%) Unix
8 123 (9.17%) Windows Server 2012
9 87 (6.49%) Windows Server 2008
10 60 (4.47%) Fedora
11 53 (3.95%) Solaris
12 24 (1.79%) Oracle Linux
13 22 (1.64%) SUSE Linux Enterprise Server
14 21 (1.57%) SUSE
15 17 (1.27%) HPUX
15 17 (1.27%) Windows 7
15 17 (1.27%) Windows Server 2003
16 16 (1.19%) AIX
17 14 (1.04%) FreeBSD
18 13 (0.97%) Windows 8
Processes & Methodologies
1 568 (42.36%) DevOps
2 274 (20.43%) Configuration Management
3 241 (17.97%) Agile Software Development
4 203 (15.14%) Open Source
5 187 (13.94%) Continuous Integration
6 131 (9.77%) ITIL
7 101 (7.53%) High Availability
8 80 (5.97%) Software Engineering
9 77 (5.74%) Scrum
10 74 (5.52%) E-Commerce
11 60 (4.47%) Microservices
12 59 (4.40%) Mentoring
13 56 (4.18%) Continuous Delivery
14 54 (4.03%) Performance Monitoring
15 51 (3.80%) Load Balancing
16 50 (3.73%) Analytics
17 49 (3.65%) Business Intelligence
18 46 (3.43%) OO
19 45 (3.36%) SDLC
20 42 (3.13%) Migration
Programming Languages
1 545 (40.64%) Python
2 461 (34.38%) Bash Shell
3 326 (24.31%) Java
4 308 (22.97%) Perl
5 254 (18.94%) PHP
6 250 (18.64%) SQL
7 238 (17.75%) Ruby
8 141 (10.51%) JavaScript
9 98 (7.31%) PowerShell
10 90 (6.71%) C
11 82 (6.11%) Shell Script
12 69 (5.15%) C++
13 37 (2.76%) C#
14 36 (2.68%) Groovy
15 29 (2.16%) Korn
16 19 (1.42%) Bourne shell
17 18 (1.34%) AWK
17 18 (1.34%) Go
17 18 (1.34%) Lua
18 17 (1.27%) Scala
Qualifications
1 96 (7.16%) Degree
2 82 (6.11%) Security Cleared
3 54 (4.03%) Cisco Certification
4 46 (3.43%) AWS Certification
5 39 (2.91%) Microsoft Certification
6 36 (2.68%) CISSP
7 33 (2.46%) CCNA
8 29 (2.16%) SC Cleared
9 28 (2.09%) CEH
9 28 (2.09%) GCIA
10 26 (1.94%) VMware Certified Professional (VCP)
11 23 (1.72%) DV Cleared
12 21 (1.57%) RHCA
12 21 (1.57%) RHCE
13 18 (1.34%) CCNP
14 13 (0.97%) MCSE
15 11 (0.82%) RHCSA
16 8 (0.60%) ITIL Certification
17 7 (0.52%) LPIC
17 7 (0.52%) VCP6
Quality Assurance & Compliance
1 50 (3.73%) QA
2 22 (1.64%) SLA
3 20 (1.49%) ISO/IEC 27001
4 6 (0.45%) PCI DSS
5 2 (0.15%) GPG13
6 1 (0.075%) ISO 9001
6 1 (0.075%) Sarbanes-Oxley
System Software
1 257 (19.16%) VMware Infrastructure
2 183 (13.65%) Active Directory
3 182 (13.57%) Docker
4 57 (4.25%) KVM
5 56 (4.18%) vSphere
6 51 (3.80%) Hyper-V
7 45 (3.36%) Varnish
8 38 (2.83%) Xen
9 37 (2.76%) Virtual Machines
10 34 (2.54%) NFS
11 28 (2.09%) vCloud
11 28 (2.09%) VirtualBox
12 27 (2.01%) XenServer
13 26 (1.94%) iptables
14 24 (1.79%) Postfix
15 22 (1.64%) Virtual Servers
16 21 (1.57%) VMware ESX
17 18 (1.34%) Samba
17 18 (1.34%) VMware ESXi
18 17 (1.27%) Kamailio
Systems Management
1 529 (39.45%) Puppet
2 375 (27.96%) Opscode Chef
3 337 (25.13%) Ansible
4 137 (10.22%) Nagios
5 97 (7.23%) Salt
6 92 (6.86%) Terraform
7 62 (4.62%) Kubernetes
8 47 (3.50%) SELinux
9 36 (2.68%) Mesos
10 32 (2.39%) ZABBIX
11 31 (2.31%) Grafana
12 26 (1.94%) Packer
13 25 (1.86%) logstash
14 22 (1.64%) Graphite
15 21 (1.57%) Consul
16 20 (1.49%) CFEngine
16 20 (1.49%) HAProxy
17 19 (1.42%) cPanel
17 19 (1.42%) Kibana
18 17 (1.27%) Rancher
Vendors
1 744 (55.48%) Red Hat
2 384 (28.64%) VMware
3 150 (11.19%) Microsoft
4 140 (10.44%) Cisco
5 97 (7.23%) Oracle
6 64 (4.77%) Google
7 52 (3.88%) Atlassian
8 50 (3.73%) New Relic
9 38 (2.83%) HP
10 31 (2.31%) Citrix
11 30 (2.24%) EMC
11 30 (2.24%) Sun
12 28 (2.09%) SAP
13 26 (1.94%) Juniper
14 25 (1.86%) Trend Micro
15 22 (1.64%) Dell
16 19 (1.42%) ServiceNow
17 17 (1.27%) SaltStack
18 16 (1.19%) Apple
18 16 (1.19%) IBM
Cardiff, South Glamorgan
CPS Group UK
Salary: £50000 - £70000 per annum + Option for working from home
Posted: 9 hours ago
Colchester, Essex
Hurren and Hope
Salary: £45k - 55k per year + Extensive Benefits
Posted: 13 hours ago
Central London / West End
Harris Global
Salary: From £70,000 to £80,000 per annum
Posted: 6 hours ago
Abingdon, Oxfordshire
Corriculo
Salary: Up to £50,000 per annum
Posted: 10 hours ago
City, London
Oliver Bernard
Salary: £90000 - £110000 per annum + Benefits
Posted: Yesterday
London
Austin Fraser
Salary: £45000.00 - £50000.00 per annum
Posted: 5 hours ago
Staines, Middlesex
Informatiq Consulting
Salary: £35000 - £40000 per annum
Posted: Yesterday
Staines, Middlesex
Informatiq Consulting
Salary: £55000 - £65000 per annum + Bonus
Posted: Yesterday
Nottingham, Nottinghamshire
Oscar
Salary: £45000 - £52000 per annum
Posted: Yesterday
Manchester, Lancashire
Oscar
Salary: £40000 - £50000 per annum
Posted: Yesterday
Chester, Cheshire
Oscar
Salary: £50000 - £60000 per annum
Posted: Yesterday
London
Digitech Resourcing Ltd
Salary: Up to £80,000 per annum 20% bonus + bens
Posted: Yesterday
Woking, Surrey
Informatiq Consulting
Salary: £35000 - £45000 per annum + Bens
Posted: Yesterday
Witney, Oxfordshire
The Bridge Ltd
Salary: From £30,000 to £45,000 per annum + excellent benefits package
Posted: 7 hours ago
Central London / West End
Quant Capital
Salary: Up to £90,000 per annum + benefits and bonus
Posted: Yesterday
Central London / West End
Evolution Recruitment Solutions
Salary: Circa 70,000 - 75,000 + Excellent benefits
Posted: 2 days ago
London
Rullion
Posted: Yesterday
Welwyn Garden City, Hertfordshire
Understanding Recruitment
Salary: £40000 - £50000 per annum + Execllent benefits
Posted: 2 days ago
London
ISL
Salary: £70000 - £80000 per annum
Posted: Yesterday
London
Burns Sheehan
Salary: £60000 - £80000 per annum + Excellent Benefits
Posted: 2 days ago
Reading, Berkshire
Deanslist Limited
Salary: From £45,000 to £55,000 per annum + Bonus + Excellent Benefits
Posted: 2 days ago
Berkshire
IntaPeople
Salary: £30000 - £45000 per annum
Posted: 2 days ago
Manchester, Lancashire
Burns Sheehan
Salary: £50000 - £70000 per annum + bonus and benefits
Posted: 2 days ago
Romsey, Hampshire
MaxAd
Salary: £22000.00 - £25000.00 per annum + Benefits
Posted: Yesterday
Lutterworth, Leicestershire
Ridgeon Network Ltd
Salary: £30,000 per annum - Circa £30,000+ dependant on experience
Posted: 2 days ago
City, London
Miller Maxwell Ltd
Salary: From £35,000 to £45,000 per annum + Bonus & benefits
Posted: 2 days ago
Reading, Berkshire
Searchability
Salary: £30000 - £45000 per annum
Posted: 5 days ago
City, London
Franklin Fitch Limited
Salary: From £50,000 to £75,000 per annum
Posted: 6 days ago
North West London
Harris Global
Salary: Up to £45,000 per annum
Posted: 2 days ago
Cambridge, Cambridgeshire
Kyna Associates
Salary: £55000 Per Annum bonuses+excellent benefits
Posted: 5 days ago