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

3 months to
27 Sep 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 388 413 408
Rank change year-on-year
+25 -5
Permanent jobs citing CentOS 715 728 761
As % of all permanent IT jobs located in the UK 0.75% 0.67% 0.67%
As % of the Operating Systems category 3.03% 2.56% 2.51%
Number of salaries quoted 646 647 671
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 £32,500
10% offered a salary of more than £65,000 £65,000 £64,000
UK excluding London median salary £45,000 £42,500 £41,000
% change year-on-year
+5.88% +3.65%

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
23595 28385 30316
As % of all permanent IT jobs located in the UK 24.67% 26.22% 26.89%
Number of salaries quoted 20035 24047 25053
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 £37,530 £37,500 £36,000
% change year-on-year
+0.08% +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 September 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 September 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 +18 671 £50,000 +5.26% 106
London -17 286 £55,000 +4.76% 32
South East +48 204 £50,000 +17.64% 44
Hampshire +60 113 £47,500 +21.01% 18
South West +8 56 £40,000 -15.78% 12
Southampton +44 52 £45,000 +56.52% 4
Surrey +39 50 £55,000 +4.76% 12
North West -8 35 £36,000 -10.00% 8
Berkshire -31 29 £47,500 +11.76% 6
Yorkshire +5 26 £40,500 +1.25% 2
East of England +32 25 £50,000 +5.26% 4
Gloucestershire +6 24 £45,000 +20.00% 5
Somerset +7 20 £24,500 -47.02% 2
Bath +2 20 £24,500 -47.02% 2
Portsmouth +10 18 £50,000 +29.87% 1
Cambridgeshire +20 17 £49,000 +22.50% 2
Manchester -23 17 £40,000 - 8
City of London +13 16 £52,500 -4.54% 10
South Wales +19 15 £42,500 -22.72% 6
Wales +17 15 £42,500 -22.72% 6
East Midlands +16 15 £35,000 - 2
North Yorkshire +4 15 £31,750 -9.28% 1
Andover - 14 £55,000 -
Cambridge +22 12 £47,500 +18.75% 2
West Midlands -16 12 £62,500 +4.16% 1
Reading -40 12 £50,000 +92.30% 4
Scotland +27 10 £35,000 -13.29%
Harrogate +17 10 £40,500 +15.71%
Basingstoke -9 10 £35,000 -26.31% 4
Cheltenham -14 10 £42,500 -19.04% 1

CentOS
Top 30 Related IT Skills

For the 6 months to 27 September 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 1444 (100.00%) Linux
2 852 (59.00%) Red Hat
3 579 (40.10%) Red Hat Enterprise Linux
4 577 (39.96%) Puppet
5 541 (37.47%) Windows
6 531 (36.77%) VMware
7 515 (35.66%) Python
8 495 (34.28%) DevOps
9 467 (32.34%) Amazon AWS
10 451 (31.23%) Apache
11 441 (30.54%) Bash Shell
12 417 (28.88%) MySQL
13 392 (27.15%) Ubuntu
14 365 (25.28%) Perl
15 341 (23.61%) VMware Infrastructure
16 333 (23.06%) Java
17 332 (22.99%) Ansible
18 320 (22.16%) Opscode Chef
19 296 (20.50%) Agile Software Development
20 294 (20.36%) PHP
21 290 (20.08%) Ruby
22 288 (19.94%) Jenkins
23 274 (18.98%) Configuration Management
24 262 (18.14%) LAMP
25 260 (18.01%) Cisco
26 251 (17.38%) TCP/IP
26 251 (17.38%) Tomcat
27 246 (17.04%) Firewall
28 243 (16.83%) SQL
29 241 (16.69%) DNS

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
1 451 (31.23%) Apache
2 251 (17.38%) Tomcat
3 187 (12.95%) nginx
4 101 (6.99%) IIS
5 70 (4.85%) Elasticsearch
6 56 (3.88%) JBoss
7 54 (3.74%) OpenStack
8 44 (3.05%) Confluence
9 27 (1.87%) MS Exchange
10 23 (1.59%) Hubot
10 23 (1.59%) WebLogic
11 22 (1.52%) Jetty
11 22 (1.52%) WebSphere
12 14 (0.97%) CMS
12 14 (0.97%) SharePoint
13 13 (0.90%) Apache Spark
14 11 (0.76%) Drupal
14 11 (0.76%) WildFly
14 11 (0.76%) WordPress
15 9 (0.62%) Skype for Business
Applications
1 72 (4.99%) MS Excel
2 22 (1.52%) MS Office
3 12 (0.83%) MS Visio
4 7 (0.48%) MS PowerPoint
5 5 (0.35%) Photoshop
6 3 (0.21%) Adobe Illustrator
6 3 (0.21%) InDesign
7 2 (0.14%) HipChat
7 2 (0.14%) MS Project
Business Applications
1 6 (0.42%) SAP Oil and Gas
2 3 (0.21%) Magento
3 2 (0.14%) CODA-Financials
4 1 (0.069%) Documaker
4 1 (0.069%) Remedy ITSM
4 1 (0.069%) Shopify
4 1 (0.069%) Unit4 Business World
Cloud Services
1 467 (32.34%) Amazon AWS
2 103 (7.13%) Microsoft Azure
3 80 (5.54%) SaaS
4 73 (5.06%) Amazon EC2
5 53 (3.67%) Amazon S3
6 48 (3.32%) PaaS
7 44 (3.05%) IaaS
8 39 (2.70%) Cloud Computing
9 38 (2.63%) Office 365
10 35 (2.42%) AWS CloudFormation
11 26 (1.80%) Slack
12 20 (1.39%) GitHub
12 20 (1.39%) Virtual Private Cloud
13 19 (1.32%) Amazon CloudWatch
14 18 (1.25%) AWS OpsWorks
15 17 (1.18%) Azure Active Directory
16 14 (0.97%) Amazon SQS
16 14 (0.97%) OpenShift
17 13 (0.90%) Google Apps
18 8 (0.55%) Amazon ELB
Communications & Networking
1 251 (17.38%) TCP/IP
2 246 (17.04%) Firewall
3 241 (16.69%) DNS
4 206 (14.27%) SAN
5 111 (7.69%) LDAP
6 88 (6.09%) WAN
7 85 (5.89%) VPN
8 73 (5.06%) LAN
9 66 (4.57%) VLAN
10 63 (4.36%) Internet
11 60 (4.16%) Network Security
12 59 (4.09%) HTTP
13 58 (4.02%) DHCP
14 51 (3.53%) SSL
14 51 (3.53%) VoIP
15 49 (3.39%) IPsec
15 49 (3.39%) Kerberos
16 47 (3.25%) SMTP
17 46 (3.19%) SSH
18 39 (2.70%) Wireshark
Database & Business Intelligence
1 417 (28.88%) MySQL
2 143 (9.90%) MongoDB
3 129 (8.93%) SQL Server
4 126 (8.73%) PostgreSQL
5 84 (5.82%) NoSQL
6 67 (4.64%) Apache Cassandra
6 67 (4.64%) Hadoop
7 56 (3.88%) Redis
8 46 (3.19%) Big Data
9 43 (2.98%) Amazon RDS
10 28 (1.94%) Relational Database
11 26 (1.80%) MariaDB
12 20 (1.39%) Oracle Database
13 19 (1.32%) Couchbase
13 19 (1.32%) DB2
14 11 (0.76%) Neo4j
14 11 (0.76%) Pentaho
15 10 (0.69%) RDBMS
16 9 (0.62%) CouchDB
16 9 (0.62%) SQL Server 2008
Development Applications
1 288 (19.94%) Jenkins
2 192 (13.30%) Git (software)
3 111 (7.69%) JIRA
4 86 (5.96%) Subversion
5 68 (4.71%) Maven
5 68 (4.71%) Vagrant
6 44 (3.05%) TeamCity
7 42 (2.91%) Atlassian Bamboo
8 26 (1.80%) Selenium
9 21 (1.45%) PHPUnit
9 21 (1.45%) Sonatype Nexus
10 18 (1.25%) Eclipse
11 17 (1.18%) Ant
12 15 (1.04%) Gradle
13 14 (0.97%) Bitbucket
13 14 (0.97%) Visual Studio
14 12 (0.83%) Octopus Deploy
15 11 (0.76%) Talend Open Studio
16 8 (0.55%) GCC
16 8 (0.55%) JUnit
General
1 195 (13.50%) Finance
2 70 (4.85%) Telecoms
3 67 (4.64%) Banking
4 59 (4.09%) Marketing
5 42 (2.91%) Games
6 41 (2.84%) Retail
7 21 (1.45%) French Language
8 19 (1.32%) Advertising
8 19 (1.32%) Publishing
9 18 (1.25%) Pharmaceutical
10 10 (0.69%) Manufacturing
11 8 (0.55%) Back Office
12 7 (0.48%) Electronics
13 6 (0.42%) Investment Banking
14 5 (0.35%) Legal
15 3 (0.21%) Retail Banking
16 2 (0.14%) Financial Institution
16 2 (0.14%) Spanish Language
17 1 (0.069%) Aerospace
17 1 (0.069%) Automotive
Job Titles
1 369 (25.55%) Linux Engineer
2 348 (24.10%) Administrator
3 280 (19.39%) DevOps Engineer
4 279 (19.32%) Systems Administrator
5 249 (17.24%) Linux Administrator
6 218 (15.10%) Linux Systems Administrator
7 147 (10.18%) Linux/Unix DevOps
8 130 (9.00%) Systems Engineer
9 115 (7.96%) Linux DevOps Engineer
10 113 (7.83%) Developer
11 110 (7.62%) Infrastructure Engineer
12 105 (7.27%) Support Engineer
13 94 (6.51%) Linux Systems Engineer
14 83 (5.75%) Cloud Engineer
15 82 (5.68%) Analyst
16 79 (5.47%) AWS Engineer
17 62 (4.29%) Applications Support
18 60 (4.16%) DevOps Administrator
18 60 (4.16%) Senior DevOps
19 59 (4.09%) Senior Systems Administrator
Libraries, Frameworks & Software Standards
1 262 (18.14%) LAMP
2 176 (12.19%) Web Services
3 88 (6.09%) LEMP Stack
4 65 (4.50%) JSON
5 61 (4.22%) XML
6 56 (3.88%) ELK Stack
7 54 (3.74%) CSS
7 54 (3.74%) HTML
8 52 (3.60%) LAPP Stack
9 51 (3.53%) jQuery
10 47 (3.25%) AngularJS
11 45 (3.12%) .NET
12 37 (2.56%) REST
13 36 (2.49%) Node.js
14 30 (2.08%) SOAP
15 28 (1.94%) Memcached
15 28 (1.94%) Middleware
16 27 (1.87%) Spring
17 26 (1.80%) J2EE
18 24 (1.66%) ZeroMQ
Miscellaneous
1 186 (12.88%) Data Centre
2 86 (5.96%) Computer Science
3 51 (3.53%) Clustering
4 49 (3.39%) Analytical Skills
5 38 (2.63%) Fintech
6 29 (2.01%) Wiki
7 26 (1.80%) Replication
8 25 (1.73%) PKI
9 22 (1.52%) Management Information System
10 21 (1.45%) Statistics
11 20 (1.39%) iPad
11 20 (1.39%) Public Cloud
11 20 (1.39%) Visualisation
12 18 (1.25%) Hedge funds
13 15 (1.04%) User Experience
14 13 (0.90%) Cyberthreat
14 13 (0.90%) Hybrid Cloud
14 13 (0.90%) Mobile App
15 12 (0.83%) Algorithms
16 11 (0.76%) Data Structures
Operating Systems
1 1444 (100.00%) Linux
2 579 (40.10%) Red Hat Enterprise Linux
3 541 (37.47%) Windows
4 392 (27.15%) Ubuntu
5 241 (16.69%) Windows Server
6 199 (13.78%) Unix
7 185 (12.81%) Debian
8 153 (10.60%) Windows Server 2012
9 143 (9.90%) Windows Server 2008
10 69 (4.78%) Fedora
11 55 (3.81%) Solaris
12 36 (2.49%) FreeBSD
13 30 (2.08%) SUSE
14 23 (1.59%) Mac OS X
14 23 (1.59%) Oracle Linux
15 22 (1.52%) Windows Server 2003
16 14 (0.97%) Amazon Linux
17 9 (0.62%) SUSE Linux Enterprise Server
18 8 (0.55%) AIX
18 8 (0.55%) Windows 2000
Processes & Methodologies
1 495 (34.28%) DevOps
2 296 (20.50%) Agile Software Development
3 274 (18.98%) Configuration Management
4 195 (13.50%) ITIL
5 173 (11.98%) Open Source
6 130 (9.00%) Continuous Integration
7 127 (8.80%) Scrum
8 89 (6.16%) Load Balancing
9 86 (5.96%) E-Commerce
10 70 (4.85%) High Availability
11 68 (4.71%) Continuous Improvement
12 58 (4.02%) Analytics
13 57 (3.95%) SDLC
14 52 (3.60%) Information Security
15 51 (3.53%) Service Management
15 51 (3.53%) Software Engineering
16 47 (3.25%) Mentoring
17 43 (2.98%) Presales
18 40 (2.77%) Incident Management
18 40 (2.77%) Security Patching
Programming Languages
1 515 (35.66%) Python
2 441 (30.54%) Bash Shell
3 365 (25.28%) Perl
4 333 (23.06%) Java
5 294 (20.36%) PHP
6 290 (20.08%) Ruby
7 243 (16.83%) SQL
8 151 (10.46%) JavaScript
9 122 (8.45%) Shell Script
10 110 (7.62%) PowerShell
11 74 (5.12%) C++
12 67 (4.64%) C
13 35 (2.42%) C#
14 23 (1.59%) Korn
15 16 (1.11%) Groovy
16 15 (1.04%) Bourne shell
16 15 (1.04%) Jython
17 14 (0.97%) AWK
18 12 (0.83%) Scala
19 10 (0.69%) Go
Qualifications
1 103 (7.13%) Security Cleared
2 68 (4.71%) RHCE
3 66 (4.57%) Cisco Certification
4 62 (4.29%) Degree
5 42 (2.91%) SC Cleared
6 37 (2.56%) CCNA
7 36 (2.49%) CCNP
8 35 (2.42%) RHCSA
8 35 (2.42%) VMware Certified Professional (VCP)
9 26 (1.80%) AWS Certification
10 19 (1.32%) ISEB
11 17 (1.18%) Microsoft Certification
12 16 (1.11%) DV Cleared
12 16 (1.11%) ISTQB
13 13 (0.90%) MCSE
14 11 (0.76%) PMI Certification
14 11 (0.76%) PMP
15 10 (0.69%) LPIC
16 9 (0.62%) CISSP
17 6 (0.42%) RHCA
Quality Assurance & Compliance
1 73 (5.06%) QA
2 43 (2.98%) ISO/IEC 27001
3 25 (1.73%) SLA
4 8 (0.55%) PCI DSS
5 2 (0.14%) ISO 9000
6 1 (0.069%) GPG13
6 1 (0.069%) Sarbanes-Oxley
System Software
1 341 (23.61%) VMware Infrastructure
2 188 (13.02%) Active Directory
3 144 (9.97%) Docker
4 104 (7.20%) NFS
5 103 (7.13%) VMware ESXi
6 85 (5.89%) vSphere
7 53 (3.67%) VMware ESX
8 48 (3.32%) Virtual Machines
9 45 (3.12%) vCloud
10 43 (2.98%) Hyper-V
11 41 (2.84%) KVM
11 41 (2.84%) Postfix
11 41 (2.84%) Samba
11 41 (2.84%) XenServer
12 40 (2.77%) iptables
13 30 (2.08%) Squid
13 30 (2.08%) Varnish
14 29 (2.01%) Sendmail
15 25 (1.73%) Xen
16 22 (1.52%) Firmware
Systems Management
1 577 (39.96%) Puppet
2 332 (22.99%) Ansible
3 320 (22.16%) Opscode Chef
4 220 (15.24%) Nagios
5 56 (3.88%) HAProxy
6 53 (3.67%) Terraform
7 50 (3.46%) logstash
8 46 (3.19%) Salt
9 37 (2.56%) ZABBIX
10 36 (2.49%) Graphite
11 33 (2.29%) Kubernetes
12 27 (1.87%) SELinux
13 26 (1.80%) Cacti
14 21 (1.45%) Packer
15 20 (1.39%) Backup Exec
15 20 (1.39%) Kibana
16 17 (1.18%) Pacemaker
17 14 (0.97%) Icinga
17 14 (0.97%) vRealize
18 12 (0.83%) Munin
Vendors
1 852 (59.00%) Red Hat
2 531 (36.77%) VMware
3 260 (18.01%) Cisco
4 187 (12.95%) Microsoft
5 141 (9.76%) Oracle
6 111 (7.69%) HP
7 54 (3.74%) Citrix
7 54 (3.74%) Google
8 42 (2.91%) Atlassian
9 37 (2.56%) EMC
10 33 (2.29%) Juniper
10 33 (2.29%) New Relic
11 31 (2.15%) Splunk
12 30 (2.08%) IBM
13 28 (1.94%) Dell
13 28 (1.94%) F5
13 28 (1.94%) Sun
14 27 (1.87%) NetApp
15 24 (1.66%) Veeam
16 21 (1.45%) SaltStack
London
Digitech Resourcing Ltd
Salary: From £60,000 to £75,000 per annum plus benefits
Posted: 7 hours ago
Basingstoke, Hampshire
Sanderson
Salary: £40000 - £55000 per annum + benefits
Posted: 14 hours ago
Middlesex
Oscar
Salary: £35000 - £45000 per annum + PHI, Pension
Posted: 16 hours ago
UK
JM
Salary: £55000 - £65000 per annum
Posted: 16 hours ago
Cambridge, Cambridgeshire
Interaction Recruitment PLC
Salary: £40k - 50k per year
Posted: 8 hours ago
Reading, Berkshire
Deanslist Limited
Salary: From £40,000 to £45,000 per annum + Bonus + Excellent benefits
Posted: Yesterday
Reading, Berkshire
Searchability
Salary: £40000 - £45000 per annum + Benefits
Posted: Yesterday
Salford, Lancashire
BBC Research & Development
Salary: Competitive
Posted: Yesterday
Manchester, Lancashire
FT Select
Salary: From £35,000 to £40,000 per annum plus on call and excellent benefits
Posted: 13 hours ago
City, London
ANSON MCCADE
Salary: £45,000 - £60,000 pa + package
Posted: Yesterday
Cardiff, South Glamorgan
Sanderson
Salary: £35000.00 - £40000.00 per annum + excellent benefits
Posted: 5 days ago
Cheltenham, Gloucestershire
Evolution Recruitment Solutions
Salary: 30,000 - 60,000 plus benefits
Posted: Yesterday
Southampton, Hampshire
Spectrum IT Recruitment (South) Ltd
Salary: £40000 - £50000 per annum + training & benefits
Posted: 4 days ago
Leatherhead, Surrey
ANSON MCCADE
Salary: £35 000 - £50 000 (+ top tier package and benefits!!!)
Posted: Yesterday
Leatherhead, Surrey
ANSON MCCADE
Salary: £40 000 - £56 000 (+ top tier package and benefits!!!)
Posted: Yesterday
Slough, Berkshire
Verticality Ltd
Salary: £60000 - £80000 per annum, Benefits Full corporate benefits
Posted: 4 days ago
London
Joseph Harry Ltd
Salary: £45000 - £60000 per annum + 25% Bonus + 10% Pension
Posted: 3 days ago
Reading, Berkshire
Spinnaker Red
Salary: From £35,000 to £45,000 per annum dependent on experience. + Bens!
Posted: Yesterday
Brighton, East Sussex
Senitor Associates
Salary: £45000 per annum + excellent benefits
Posted: 5 days ago
Surrey
Yoh
Salary: £40000 - £55000 per annum
Posted: 4 days ago
London
Oho Group Ltd.
Salary: £30000 - £45000 per annum, Benefits Bonus, Healthcare, Pension, Dental
Posted: 4 days ago
Leicester, Leicestershire
Rebel Recruitment
Salary: From £35,000 to £45,000 per annum + 10% shift allowance
Posted: 3 days ago
Brighton, East Sussex
ARC IT Recruitment Ltd
Salary: to 35k plus benefits
Posted: 4 days ago
London
Verticality Ltd
Salary: £50000 - £60000 per annum, Benefits Benefits & equity
Posted: 5 days ago
West London
Verticality Ltd
Salary: £40000 - £50000 per annum, Benefits Full corporate benefits
Posted: 5 days ago
West London
OpenBet Technology
Salary: Competitive Salary and Excellent Company Benefits
Posted: 5 days ago
City, London
Harrington Starr
Salary: £70000 - £90000 per annum
Posted: 3 days ago
Guildford, Surrey
ANSON MCCADE
Salary: £40,000 - £60,000
Posted: 5 days ago
Bristol Area
ANSON MCCADE
Salary: £40,000 - £60,000
Posted: 5 days ago
Gloucester, Gloucestershire
ANSON MCCADE
Salary: £40,000 - £60,000
Posted: 5 days ago