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

3 months to
5 May 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 390 431 483
Rank change year-on-year
+41 +52
Permanent jobs citing CentOS 746 720 643
As % of all permanent IT jobs located in the UK 0.73% 0.65% 0.54%
As % of the Operating Systems category 2.81% 2.43% 2.02%
Number of salaries quoted 617 626 560
Median salary £52,500 £45,000 £42,500
Median salary % change year-on-year
+16.66% +5.88%
90% offered a salary of more than £35,000 £31,500 £27,500
10% offered a salary of more than £75,000 £65,000 £60,000
UK excluding London median salary £48,500 £40,000 £37,500
% change year-on-year
+21.25% +6.66%

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
26538 29616 31775
As % of all permanent IT jobs located in the UK 25.88% 26.82% 26.59%
Number of salaries quoted 22522 24751 26585
Median salary £40,000 £41,000 £40,000
Median salary % change year-on-year
-2.43% +2.50%
90% offered a salary of more than £24,500 £24,500 £24,500
10% offered a salary of more than £65,000 £62,500 £65,000
UK excluding London median salary £37,500 £37,500 £36,000
% change year-on-year
- +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 5 May 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 5 May 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 +31 717 £52,500 +15.38% 99
London +23 367 £57,500 +9.52% 43
South East +44 177 £55,000 +23.59% 22
Berkshire +34 69 £60,000 +84.61% 7
Surrey +38 54 £55,000 +10.00% 4
North West +31 43 £38,000 +1.33% 7
Egham - 34 £55,000 -
Manchester +25 32 £38,000 -1.93% 6
Yorkshire +14 32 £37,500 -6.25% 9
City of London +23 30 £61,250 +40.00% 5
South West -41 24 £40,000 - 2
West Midlands -7 23 £46,000 +35.29% 8
East Midlands +26 21 £32,500 -7.14% 5
Reading +5 20 £47,500 +106.52% 6
West Yorkshire +11 18 £51,250 +28.12% 8
Oxfordshire -12 18 £49,875 +12.07% 3
Leeds 0 17 £52,500 +31.25% 5
Hampshire -11 17 £47,500 +5.55% 6
East of England -15 17 £47,500 -5.00% 2
Gloucestershire +13 15 £42,500 +23.18% 1
North East +17 12 £40,000 -20.00% 2
Tyne and Wear +12 12 £40,000 -20.00% 2
Newcastle upon Tyne +11 12 £40,000 -20.00% 1
Leicestershire - 12 £36,250 - 1
Windsor - 12 £60,000 -
Guildford +3 10 £75,000 +50.00% 1
Brentford - 10 £37,500 -
Hertfordshire +13 9 £50,000 -9.09%
South Wales +3 9 £43,750 +18.24% 1
Wales -3 9 £43,750 +18.24% 1

CentOS
Top 30 Related IT Skills

For the 6 months to 5 May 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 1407 (94.30%) Linux
2 783 (52.48%) Red Hat
3 634 (42.49%) Puppet
4 622 (41.69%) Red Hat Enterprise Linux
5 614 (41.15%) Python
6 535 (35.86%) VMware
7 523 (35.05%) Bash Shell
8 516 (34.58%) DevOps
9 501 (33.58%) MySQL
10 436 (29.22%) Amazon AWS
11 425 (28.49%) Ubuntu
12 423 (28.35%) Perl
13 409 (27.41%) Apache
14 407 (27.28%) Agile Software Development
15 394 (26.41%) Windows
16 387 (25.94%) Java
17 363 (24.33%) Jenkins
18 346 (23.19%) Opscode Chef
19 338 (22.65%) Configuration Management
20 337 (22.59%) Ansible
21 322 (21.58%) VMware Infrastructure
22 314 (21.05%) Git (software)
23 292 (19.57%) Ruby
24 287 (19.24%) LAMP
25 283 (18.97%) Nagios
26 278 (18.63%) Firewall
27 274 (18.36%) PHP
28 272 (18.23%) Cisco
29 266 (17.83%) Unix
30 258 (17.29%) 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
1 409 (27.41%) Apache
2 254 (17.02%) Tomcat
3 135 (9.05%) OpenStack
4 131 (8.78%) nginx
5 87 (5.83%) JBoss
6 72 (4.83%) IIS
7 41 (2.75%) WebSphere
8 38 (2.55%) Confluence
8 38 (2.55%) Elasticsearch
9 35 (2.35%) Apache Spark
10 33 (2.21%) Node.js
11 32 (2.14%) MS Exchange
12 31 (2.08%) CMS
13 23 (1.54%) SharePoint
14 22 (1.47%) Moodle
15 20 (1.34%) WebSphere Application Server
16 19 (1.27%) Exchange Server 2010
17 17 (1.14%) WordPress
18 14 (0.94%) Drupal
18 14 (0.94%) Exchange Server 2013
Applications
1 62 (4.16%) MS Excel
2 21 (1.41%) MS Visio
3 16 (1.07%) MS PowerPoint
4 9 (0.60%) MS Office
5 6 (0.40%) Photoshop
6 3 (0.20%) Adobe Illustrator
7 1 (0.067%) HipChat
7 1 (0.067%) Spreadsheet
Business Applications
1 13 (0.87%) Magento
2 7 (0.47%) SAP Oil and Gas
3 3 (0.20%) Documaker
3 3 (0.20%) Remedy ITSM
3 3 (0.20%) Shopify
4 2 (0.13%) Dynamics CRM
5 1 (0.067%) Oracle Retail
5 1 (0.067%) Unit4 Business World
Cloud Services
1 436 (29.22%) Amazon AWS
2 82 (5.50%) Amazon EC2
3 66 (4.42%) AWS CloudFormation
4 65 (4.36%) Microsoft Azure
5 55 (3.69%) Amazon S3
6 49 (3.28%) SaaS
7 45 (3.02%) GitHub
8 41 (2.75%) Virtual Private Cloud
9 40 (2.68%) IaaS
10 36 (2.41%) CloudBees
11 32 (2.14%) Cloud Computing
12 28 (1.88%) Amazon ELB
13 24 (1.61%) Amazon CloudWatch
14 14 (0.94%) PaaS
14 14 (0.94%) Route 53
15 12 (0.80%) Office 365
16 8 (0.54%) Azure Active Directory
16 8 (0.54%) DigitalOcean
16 8 (0.54%) Linode
17 7 (0.47%) CloudFront
Communications & Networking
1 278 (18.63%) Firewall
2 238 (15.95%) DNS
3 192 (12.87%) TCP/IP
4 181 (12.13%) SAN
5 123 (8.24%) LAN
6 102 (6.84%) WAN
7 82 (5.50%) LDAP
8 68 (4.56%) SSL
8 68 (4.56%) VPN
9 60 (4.02%) Cisco Nexus
9 60 (4.02%) Network Security
10 54 (3.62%) DHCP
11 53 (3.55%) NAS
12 52 (3.49%) VLAN
13 49 (3.28%) iSCSI
14 47 (3.15%) Internet
15 46 (3.08%) SSH
16 44 (2.95%) VoIP
17 38 (2.55%) Kerberos
18 34 (2.28%) HTTP
Database & Business Intelligence
1 501 (33.58%) MySQL
2 180 (12.06%) MongoDB
3 159 (10.66%) PostgreSQL
4 146 (9.79%) SQL Server
5 75 (5.03%) Apache Cassandra
6 71 (4.76%) Hadoop
7 66 (4.42%) NoSQL
8 54 (3.62%) Redis
9 35 (2.35%) Oracle Database
10 34 (2.28%) Big Data
11 32 (2.14%) Amazon RDS
12 23 (1.54%) CouchDB
13 22 (1.47%) Relational Database
14 19 (1.27%) DB2
15 18 (1.21%) Apache Hive
16 17 (1.14%) SQL Server 2008
17 10 (0.67%) OpenTSDB
18 9 (0.60%) DataStax
19 8 (0.54%) Aerospike
19 8 (0.54%) Data Mining
Development Applications
1 363 (24.33%) Jenkins
2 314 (21.05%) Git (software)
3 125 (8.38%) Maven
4 118 (7.91%) Subversion
5 70 (4.69%) Atlassian Bamboo
6 68 (4.56%) Vagrant
7 61 (4.09%) JIRA
8 52 (3.49%) Selenium
9 45 (3.02%) TeamCity
10 41 (2.75%) Sonatype Nexus
11 39 (2.61%) PHPUnit
12 31 (2.08%) Cucumber
13 27 (1.81%) Travis CI
14 21 (1.41%) GitLab
15 19 (1.27%) Eclipse
15 19 (1.27%) Gradle
16 16 (1.07%) Ant
16 16 (1.07%) Hudson
17 12 (0.80%) SonarQube
18 11 (0.74%) Appium
General
1 145 (9.72%) Finance
2 94 (6.30%) Marketing
3 77 (5.16%) Telecoms
4 63 (4.22%) Games
5 41 (2.75%) Retail
6 23 (1.54%) Banking
7 18 (1.21%) Advertising
8 16 (1.07%) Back Office
9 15 (1.01%) Manufacturing
10 10 (0.67%) Electronics
11 9 (0.60%) Online Betting
12 8 (0.54%) Law
13 7 (0.47%) Aerospace
14 4 (0.27%) Pharmaceutical
14 4 (0.27%) Publishing
15 3 (0.20%) Billing
16 1 (0.067%) Arabic Language
16 1 (0.067%) Multimedia
16 1 (0.067%) Portuguese Language
16 1 (0.067%) Spanish Language
Job Titles
1 497 (33.31%) Administrator
2 408 (27.35%) Systems Administrator
3 403 (27.01%) Linux Administrator
4 344 (23.06%) Linux Systems Administrator
5 320 (21.45%) Linux Engineer
6 276 (18.50%) DevOps Engineer
7 162 (10.86%) Linux/Unix DevOps
8 122 (8.18%) Linux DevOps Engineer
9 104 (6.97%) Systems Engineer
10 100 (6.70%) Developer
11 95 (6.37%) Cloud Engineer
12 86 (5.76%) Infrastructure Engineer
13 81 (5.43%) Linux Support
14 76 (5.09%) Support Engineer
15 73 (4.89%) Analyst
16 64 (4.29%) Linux Systems Engineer
17 61 (4.09%) Consultant
18 59 (3.95%) Network Engineer
19 58 (3.89%) VMware Engineer
20 57 (3.82%) DevOps Administrator
Libraries, Frameworks & Software Standards
1 287 (19.24%) LAMP
2 196 (13.14%) Web Services
3 81 (5.43%) LEMP Stack
4 67 (4.49%) HTML
5 63 (4.22%) CSS
6 62 (4.16%) jQuery
7 50 (3.35%) XML
8 49 (3.28%) REST
9 48 (3.22%) SOAP
10 41 (2.75%) Memcached
11 39 (2.61%) Middleware
12 38 (2.55%) ELK Stack
13 37 (2.48%) JSON
13 37 (2.48%) LAPP Stack
14 35 (2.35%) Spring
15 33 (2.21%) Ajax
16 26 (1.74%) .NET
16 26 (1.74%) RabbitMQ
17 25 (1.68%) Behat
18 24 (1.61%) ActiveMQ
Miscellaneous
1 141 (9.45%) Data Centre
2 75 (5.03%) Computer Science
3 54 (3.62%) Analytical Skills
4 53 (3.55%) User Experience
5 44 (2.95%) Clustering
6 38 (2.55%) Management Information System
7 36 (2.41%) EMC VNX
8 33 (2.21%) Statistics
9 32 (2.14%) Mathematics
10 30 (2.01%) Fintech
10 30 (2.01%) Replication
11 25 (1.68%) Algorithms
12 24 (1.61%) e-Learning
13 21 (1.41%) Private Cloud
14 19 (1.27%) Mobile App
15 18 (1.21%) Enterprise Software
15 18 (1.21%) VLE
16 17 (1.14%) Visualisation
17 16 (1.07%) Learning Management System
17 16 (1.07%) Online Games
Operating Systems
1 1407 (94.30%) Linux
2 622 (41.69%) Red Hat Enterprise Linux
3 425 (28.49%) Ubuntu
4 394 (26.41%) Windows
5 266 (17.83%) Unix
6 204 (13.67%) Windows Server
7 194 (13.00%) Debian
8 122 (8.18%) Windows Server 2008
9 73 (4.89%) Windows Server 2012
10 61 (4.09%) Solaris
11 39 (2.61%) Fedora
12 37 (2.48%) Oracle Linux
12 37 (2.48%) Windows Server 2003
13 29 (1.94%) SUSE
14 23 (1.54%) AIX
15 22 (1.47%) Amazon Linux
16 20 (1.34%) Android
17 19 (1.27%) FreeBSD
18 15 (1.01%) Mac OS X
19 13 (0.87%) Windows Phone
Processes & Methodologies
1 516 (34.58%) DevOps
2 407 (27.28%) Agile Software Development
3 338 (22.65%) Configuration Management
4 258 (17.29%) Continuous Integration
5 186 (12.47%) Scrum
6 171 (11.46%) ITIL
7 166 (11.13%) Open Source
8 120 (8.04%) E-Commerce
9 95 (6.37%) Load Balancing
10 85 (5.70%) High Availability
11 76 (5.09%) Continuous Improvement
12 66 (4.42%) Service Management
13 61 (4.09%) Web Development
14 60 (4.02%) Change Management
15 53 (3.55%) Continuous Delivery
16 51 (3.42%) Disaster Recovery
16 51 (3.42%) Mentoring
17 50 (3.35%) Software Engineering
18 49 (3.28%) Kanban
19 48 (3.22%) Project Management
Programming Languages
1 614 (41.15%) Python
2 523 (35.05%) Bash Shell
3 423 (28.35%) Perl
4 387 (25.94%) Java
5 292 (19.57%) Ruby
6 274 (18.36%) PHP
7 256 (17.16%) SQL
8 111 (7.44%) JavaScript
9 109 (7.31%) Shell Script
10 86 (5.76%) PowerShell
11 84 (5.63%) C
12 56 (3.75%) C++
13 48 (3.22%) C#
14 21 (1.41%) AWK
15 19 (1.27%) Groovy
16 14 (0.94%) Korn
16 14 (0.94%) Scala
17 9 (0.60%) sed
18 8 (0.54%) Tcl
19 6 (0.40%) T-SQL
Qualifications
1 110 (7.37%) Degree
2 97 (6.50%) Security Cleared
3 92 (6.17%) Cisco Certification
4 74 (4.96%) SC Cleared
5 69 (4.62%) CCNA
6 59 (3.95%) RHCE
7 58 (3.89%) CCNP
8 47 (3.15%) VMware Certified Professional (VCP)
9 35 (2.35%) RHCSA
10 31 (2.08%) Microsoft Certification
11 20 (1.34%) MCSE
12 17 (1.14%) MCITP
13 11 (0.74%) PhD
14 10 (0.67%) CISSP
15 8 (0.54%) MCP
16 7 (0.47%) A+ Certification
16 7 (0.47%) CompTIA Security+
16 7 (0.47%) HP ASE
16 7 (0.47%) Network+ Certification
16 7 (0.47%) Security+ Certification
Quality Assurance & Compliance
1 64 (4.29%) QA
2 42 (2.82%) SLA
3 11 (0.74%) ISO/IEC 27001
3 11 (0.74%) PCI DSS
4 6 (0.40%) GPG13
5 2 (0.13%) ISO 14001
5 2 (0.13%) ISO 9001
6 1 (0.067%) DICOM
6 1 (0.067%) HL7
6 1 (0.067%) ISO 9000
6 1 (0.067%) SAS 70
System Software
1 322 (21.58%) VMware Infrastructure
2 167 (11.19%) Docker
3 157 (10.52%) Active Directory
4 120 (8.04%) vSphere
5 115 (7.71%) NFS
6 102 (6.84%) VMware ESXi
7 92 (6.17%) Xen
8 86 (5.76%) KVM
9 45 (3.02%) iptables
10 41 (2.75%) XenServer
11 40 (2.68%) vCloud
12 39 (2.61%) Hyper-V
12 39 (2.61%) Varnish
13 32 (2.14%) Squid
14 31 (2.08%) Postfix
15 25 (1.68%) VMware ESX
16 22 (1.47%) VirtualBox
17 21 (1.41%) Corosync
18 19 (1.27%) Firmware
19 15 (1.01%) Samba
Systems Management
1 634 (42.49%) Puppet
2 346 (23.19%) Opscode Chef
3 337 (22.59%) Ansible
4 283 (18.97%) Nagios
5 75 (5.03%) ZABBIX
6 51 (3.42%) HAProxy
7 45 (3.02%) Cacti
8 39 (2.61%) logstash
9 35 (2.35%) Zenoss
10 33 (2.21%) Salt
11 25 (1.68%) CFEngine
11 25 (1.68%) Red Hat Spacewalk
12 24 (1.61%) Graphite
12 24 (1.61%) WSUS
13 23 (1.54%) Backup Exec
14 22 (1.47%) Packer
15 20 (1.34%) Cobbler
16 16 (1.07%) SELinux
16 16 (1.07%) yum
17 15 (1.01%) NetBackup
Vendors
1 783 (52.48%) Red Hat
2 535 (35.86%) VMware
3 272 (18.23%) Cisco
4 180 (12.06%) Microsoft
5 163 (10.92%) HP
6 162 (10.86%) Oracle
7 87 (5.83%) IBM
8 71 (4.76%) EMC
9 63 (4.22%) Citrix
9 63 (4.22%) Juniper
10 55 (3.69%) F5
11 53 (3.55%) SaltStack
12 51 (3.42%) Splunk
13 48 (3.22%) New Relic
14 46 (3.08%) NetApp
15 45 (3.02%) Atlassian
16 42 (2.82%) Rackspace
17 36 (2.41%) SolarWinds
18 35 (2.35%) Dell
19 29 (1.94%) Google
Leicester, Leicestershire
RecruitmentRevolution.com Limited
Salary: Up to £48,000 per annum
Posted: 5 hours ago
Coventry, West Midlands (County)
Searchability
Salary: £45000 - £60000 per annum
Posted: 6 hours ago
London
Digitech Resourcing Ltd
Salary: From £60,000 to £75,000 per annum excellent bonus + benefits
Posted: 7 hours ago
Sunderland, Tyne and Wear
Nigel Wright Consultancy
Salary: Competitive Salary plus benefits
Posted: 7 hours ago
Glasgow, Lanarkshire
NSK International Consultants Ltd
Salary: Up to £45,000 per annum + Competitive Benefits Package
Posted: 8 hours ago
East London
Millshill Recruitment Ltd
Salary: Up to £45,000 per annum + bens
Posted: 9 hours ago
Leeds, West Yorkshire
First Locate UK Ltd
Salary: £28,500 per annum
Posted: 12 hours ago
Nottingham, Nottinghamshire
Oscar
Salary: £20000 - £40000 per annum
Posted: 13 hours ago
Manchester, Lancashire
Chassam Contract
Salary: Up to £40,000 per annum
Posted: 14 hours ago
Faringdon, Oxfordshire
Opus Recruitment Solutions Ltd
Salary: £30000 - £40000 per annum
Posted: 14 hours ago
Salford, Lancashire
FT Select
Salary: Up to £40,000 per annum plus on call, bonus and excellent benefits
Posted: 14 hours ago
Warwickshire
Greywood Associates Limited
Salary: £60000 - £75000 per annum + Benefits
Posted: 15 hours ago
Cwmbran, Gwent
Nagra Media UK Ltd
Salary: Competitive + Benefits
Posted: 16 hours ago
Cambridge, Cambridgeshire
Sentinel IT LLP
Salary: package
Posted: Yesterday
Altrincham, Cheshire
HAYS INFORMATION TECHNOLOGY
Salary: £20000.00 - £30000.00 per annum
Posted: Yesterday
Leamington Spa, Warwickshire
Senitor Associates
Salary: £35000 - £70000 per annum + 20% BONUS + Excellent Benefits
Posted: Yesterday
Birmingham, West Midlands (County)
CV Screen Ltd
Salary: Up to £40k plus benefits
Posted: Yesterday
Andover, Hampshire
Sopra Steria Recruitment
Salary: From £50,000 to £55,000 per annum
Posted: Yesterday
Isleworth, Middlesex
Opus Resourcing Ltd
Salary: £50000 - £70000 per annum + Generous Bens + Bonus
Posted: Yesterday
Staffordshire
Uniting Ambition
Salary: £40k - 60k per year + Bonus, Life Assurance, Pension, Discounts.
Posted: Yesterday
Abingdon, Oxfordshire
Corriculo
Salary: Up to £40,000 per annum
Posted: Yesterday
South East
Fenwick Ryan
Salary: £50000 - £80000 per annum + Car Allow,Bens,Bonus,Stock
Posted: Yesterday
Camberley, Surrey
Peopleworks
Salary: From £35,000 to £37,000 per annum £35,000 to £37,000 Negotiable + G'Te
Posted: Yesterday
London
Talent International
Salary: £26000 - £30000 per annum
Posted: Yesterday
West London
Big Red Recruitment
Salary: £50000 - £60000 per annum + Bonus plus Benefits
Posted: Yesterday
Reading, Berkshire
Austin Fraser
Salary: £40000.00 - £45000.00 per annum + Excellent Benefits
Posted: 2 days ago
Central London / West End
Candour Solutions
Salary: Outstanding + Benefits
Posted: 2 days ago
Manchester, Lancashire
Redrock Consulting Ltd
Salary: £25000 - £33000 per annum + Benefits + Bonus
Posted: 2 days ago
Reading, Berkshire
83Zero
Salary: From £25,000 to £30,000 per annum
Posted: 2 days ago
Manchester, Lancashire
Networking People
Salary: £30000 - £35000 per annum + Car Allowance + Benefits
Posted: 2 days ago
Leamington Spa, Warwickshire
Senitor Associates
Salary: £40000 - £70000 per annum + Benefits
Posted: 2 days ago
Staines, Middlesex
Informatiq Consulting
Salary: £35000 - £40000 per annum
Posted: 2 days ago
London
Michael Page Technology
Salary: £40000 - £55000 per annum
Posted: 2 days ago
City, London
Miller Maxwell Ltd
Salary: From £65,000 to £80,000 per annum Bonus and benefits package
Posted: 2 days ago
Glasgow, Lanarkshire
CGI
Salary: £40000 - £45000 per annum + benefits
Posted: 2 days ago
Glasgow, Lanarkshire
CGI
Salary: £43000 - £50000 per annum + Benefits
Posted: 2 days ago
Glasgow, Lanarkshire
CGI
Salary: £30000 - £40000 per annum + benefits
Posted: 2 days ago
South West London
Nigel Frank International Ltd
Salary: £60000 - £70000 per annum + benefits
Posted: 2 days ago
Leeds, West Yorkshire
Senitor Associates
Salary: £55000 per annum + Bonus + Excellent Benefits
Posted: 2 days ago
Central London / West End
Client Server
Salary: £40k to £55k + bonus + benefits
Posted: 3 days ago