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

3 months to
25 May 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 405 438 472
Rank change year-on-year
+33 +34
Permanent jobs citing CentOS 700 673 656
As % of all permanent IT jobs located in the UK 0.71% 0.63% 0.56%
As % of the Operating Systems category 2.75% 2.35% 2.10%
Number of salaries quoted 593 584 585
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 £36,800 £32,500 £27,500
10% offered a salary of more than £77,500 £65,000 £60,000
UK excluding London median salary £50,000 £42,500 £37,500
% change year-on-year
+17.64% +13.33%

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
25411 28598 31233
As % of all permanent IT jobs located in the UK 25.76% 26.76% 26.59%
Number of salaries quoted 21588 23938 26286
Median salary £41,000 £40,000 £40,000
Median salary % change year-on-year
+2.50% -
90% offered a salary of more than £24,500 £24,500 £25,000
10% offered a salary of more than £67,500 £65,000 £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 25 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 25 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 +19 676 £52,500 +10.52% 102
London +7 357 £57,500 +9.52% 43
South East +40 173 £55,000 +23.59% 20
Berkshire +45 72 £60,000 +71.42% 9
Surrey +27 45 £55,000 +10.00% 5
North West +33 40 £38,000 +1.33% 10
Manchester +26 30 £38,000 +1.33% 7
Egham - 29 £55,000 - 2
City of London +30 28 £53,750 +22.85% 8
Yorkshire +4 26 £38,750 -3.12% 13
Reading +14 23 £50,000 +117.39% 6
East Midlands +24 21 £42,500 +21.42% 4
Hampshire -9 21 £45,000 - 6
South West -25 21 £40,000 +6.66% 2
East of England +13 18 £49,000 +5.37% 4
Oxfordshire -12 17 £45,000 +1.12%
West Yorkshire 0 15 £47,500 +18.75% 11
Windsor - 15 £60,000 -
Leeds +6 14 £50,000 +25.00% 8
Gloucestershire +10 13 £42,500 +21.42% 1
Leicestershire - 13 £42,500 -
West Midlands -17 12 £38,000 -5.00% 6
Hertfordshire +17 10 £50,000 -9.09%
Buckinghamshire +32 9 £47,500 +11.76%
North Yorkshire 0 8 £40,250 +0.62% 1
South Wales -7 8 £42,500 +14.86% 4
Wales -8 8 £42,500 +14.86% 5
Cambridgeshire -9 8 £48,250 +7.22% 4
Cambridge -12 8 £49,000 +8.88% 4
Loughborough - 8 £42,500 -

CentOS
Top 30 Related IT Skills

For the 6 months to 25 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 1434 (99.93%) Linux
2 755 (52.61%) Red Hat
3 617 (43.00%) Puppet
4 595 (41.46%) Red Hat Enterprise Linux
5 578 (40.28%) Python
6 526 (36.66%) VMware
7 520 (36.24%) DevOps
8 494 (34.43%) Bash Shell
9 483 (33.66%) MySQL
10 442 (30.80%) Amazon AWS
11 426 (29.69%) Ubuntu
12 408 (28.43%) Apache
13 395 (27.53%) Perl
14 393 (27.39%) Windows
15 392 (27.32%) Agile Software Development
16 366 (25.51%) Jenkins
17 357 (24.88%) Ansible
18 354 (24.67%) Java
19 340 (23.69%) Opscode Chef
20 334 (23.28%) Configuration Management
21 311 (21.67%) VMware Infrastructure
22 293 (20.42%) Git (software)
23 288 (20.07%) Ruby
24 279 (19.44%) Nagios
25 271 (18.89%) Firewall
26 268 (18.68%) Cisco
27 266 (18.54%) LAMP
28 261 (18.19%) Tomcat
29 260 (18.12%) DNS
30 254 (17.70%) PHP

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
1 408 (28.43%) Apache
2 261 (18.19%) Tomcat
3 127 (8.85%) nginx
4 125 (8.71%) OpenStack
5 79 (5.51%) JBoss
6 71 (4.95%) IIS
7 50 (3.48%) Elasticsearch
8 43 (3.00%) WebSphere
9 39 (2.72%) Confluence
10 32 (2.23%) Apache Spark
10 32 (2.23%) Node.js
11 30 (2.09%) CMS
11 30 (2.09%) MS Exchange
12 24 (1.67%) SharePoint
13 22 (1.53%) WebSphere Application Server
14 16 (1.11%) Exchange Server 2010
14 16 (1.11%) Moodle
14 16 (1.11%) WordPress
15 14 (0.98%) Exchange Server 2013
16 13 (0.91%) Skype for Business
Applications
1 64 (4.46%) MS Excel
2 21 (1.46%) MS Visio
3 14 (0.98%) MS PowerPoint
4 11 (0.77%) MS Office
5 6 (0.42%) Photoshop
6 3 (0.21%) Adobe Illustrator
7 1 (0.070%) HipChat
7 1 (0.070%) MS Project
7 1 (0.070%) Spreadsheet
Business Applications
1 12 (0.84%) Magento
2 6 (0.42%) SAP Oil and Gas
3 3 (0.21%) Documaker
3 3 (0.21%) Remedy ITSM
3 3 (0.21%) Shopify
4 2 (0.14%) Dynamics CRM
5 1 (0.070%) CODA-Financials
5 1 (0.070%) Oracle Retail
5 1 (0.070%) Unit4 Business World
Cloud Services
1 442 (30.80%) Amazon AWS
2 72 (5.02%) Amazon EC2
2 72 (5.02%) Microsoft Azure
3 67 (4.67%) AWS CloudFormation
4 53 (3.69%) SaaS
5 48 (3.34%) Amazon S3
6 40 (2.79%) IaaS
7 39 (2.72%) GitHub
8 36 (2.51%) CloudBees
9 35 (2.44%) Cloud Computing
10 34 (2.37%) Virtual Private Cloud
11 25 (1.74%) Amazon ELB
12 21 (1.46%) Amazon CloudWatch
13 20 (1.39%) PaaS
14 15 (1.05%) Office 365
15 12 (0.84%) Route 53
16 9 (0.63%) Azure Active Directory
17 8 (0.56%) DigitalOcean
17 8 (0.56%) Linode
18 7 (0.49%) CloudFront
Communications & Networking
1 271 (18.89%) Firewall
2 260 (18.12%) DNS
3 196 (13.66%) SAN
4 178 (12.40%) TCP/IP
5 112 (7.80%) LAN
6 96 (6.69%) WAN
7 81 (5.64%) LDAP
8 63 (4.39%) SSL
9 60 (4.18%) VPN
10 59 (4.11%) Cisco Nexus
10 59 (4.11%) Network Security
11 57 (3.97%) DHCP
12 55 (3.83%) Internet
13 49 (3.41%) NAS
14 47 (3.28%) VoIP
15 44 (3.07%) VLAN
16 42 (2.93%) iSCSI
17 40 (2.79%) Kerberos
18 38 (2.65%) SSH
19 34 (2.37%) FTP
Database & Business Intelligence
1 483 (33.66%) MySQL
2 178 (12.40%) MongoDB
3 155 (10.80%) PostgreSQL
4 138 (9.62%) SQL Server
5 77 (5.37%) Apache Cassandra
6 68 (4.74%) Hadoop
7 63 (4.39%) NoSQL
8 50 (3.48%) Redis
9 37 (2.58%) Big Data
9 37 (2.58%) Oracle Database
10 31 (2.16%) Amazon RDS
11 25 (1.74%) DB2
12 20 (1.39%) CouchDB
13 18 (1.25%) Relational Database
14 15 (1.05%) Apache Hive
14 15 (1.05%) SQL Server 2008
15 9 (0.63%) DataStax
16 8 (0.56%) Aerospike
16 8 (0.56%) Data Mining
16 8 (0.56%) MariaDB
Development Applications
1 366 (25.51%) Jenkins
2 293 (20.42%) Git (software)
3 124 (8.64%) Maven
4 102 (7.11%) Subversion
5 69 (4.81%) Vagrant
6 65 (4.53%) Atlassian Bamboo
7 63 (4.39%) JIRA
8 45 (3.14%) TeamCity
9 42 (2.93%) Selenium
10 41 (2.86%) Sonatype Nexus
11 33 (2.30%) PHPUnit
12 27 (1.88%) Travis CI
13 23 (1.60%) Cucumber
14 21 (1.46%) Gradle
15 20 (1.39%) Ant
16 19 (1.32%) Eclipse
16 19 (1.32%) GitLab
17 12 (0.84%) Hudson
17 12 (0.84%) SonarQube
18 11 (0.77%) GCC
General
1 145 (10.10%) Finance
2 87 (6.06%) Marketing
3 77 (5.37%) Telecoms
4 50 (3.48%) Games
5 38 (2.65%) Retail
6 19 (1.32%) Advertising
6 19 (1.32%) Banking
7 13 (0.91%) Back Office
7 13 (0.91%) Manufacturing
8 9 (0.63%) Electronics
9 8 (0.56%) Law
10 7 (0.49%) Publishing
11 6 (0.42%) Aerospace
11 6 (0.42%) Online Betting
12 4 (0.28%) Pharmaceutical
13 3 (0.21%) Billing
14 2 (0.14%) French Language
15 1 (0.070%) Japanese Language
15 1 (0.070%) Portuguese Language
15 1 (0.070%) Spanish Language
Job Titles
1 465 (32.40%) Administrator
2 373 (25.99%) Linux Administrator
3 370 (25.78%) Systems Administrator
4 317 (22.09%) Linux Engineer
5 307 (21.39%) Linux Systems Administrator
6 283 (19.72%) DevOps Engineer
7 166 (11.57%) Linux/Unix DevOps
8 125 (8.71%) Linux DevOps Engineer
9 106 (7.39%) Systems Engineer
10 92 (6.41%) Infrastructure Engineer
11 91 (6.34%) Cloud Engineer
12 86 (5.99%) Developer
13 72 (5.02%) Linux Support
13 72 (5.02%) Support Engineer
14 71 (4.95%) Analyst
15 67 (4.67%) Linux Systems Engineer
16 61 (4.25%) Consultant
16 61 (4.25%) DevOps Administrator
17 58 (4.04%) VMware Engineer
18 57 (3.97%) Senior Linux Engineer
Libraries, Frameworks & Software Standards
1 266 (18.54%) LAMP
2 185 (12.89%) Web Services
3 73 (5.09%) LEMP Stack
4 60 (4.18%) HTML
5 54 (3.76%) CSS
6 48 (3.34%) REST
6 48 (3.34%) XML
7 47 (3.28%) SOAP
8 42 (2.93%) jQuery
8 42 (2.93%) Memcached
9 40 (2.79%) ELK Stack
10 37 (2.58%) LAPP Stack
11 36 (2.51%) Middleware
12 31 (2.16%) JSON
13 27 (1.88%) .NET
14 26 (1.81%) RabbitMQ
15 24 (1.67%) RESTful
15 24 (1.67%) Spring
16 23 (1.60%) ActiveMQ
17 22 (1.53%) HTML5
Miscellaneous
1 143 (9.97%) Data Centre
2 74 (5.16%) Computer Science
3 55 (3.83%) Analytical Skills
4 47 (3.28%) User Experience
5 38 (2.65%) Clustering
6 36 (2.51%) Fintech
7 34 (2.37%) EMC VNX
8 30 (2.09%) Management Information System
8 30 (2.09%) Statistics
9 28 (1.95%) Mathematics
9 28 (1.95%) Replication
10 25 (1.74%) Algorithms
11 18 (1.25%) e-Learning
11 18 (1.25%) Enterprise Software
11 18 (1.25%) IPTV
11 18 (1.25%) Over-the-Top Content
11 18 (1.25%) Private Cloud
12 17 (1.18%) Visualisation
13 16 (1.11%) Mobile App
14 15 (1.05%) HP StoreVirtual
Operating Systems
1 1434 (99.93%) Linux
2 595 (41.46%) Red Hat Enterprise Linux
3 426 (29.69%) Ubuntu
4 393 (27.39%) Windows
5 248 (17.28%) Unix
6 196 (13.66%) Windows Server
7 185 (12.89%) Debian
8 125 (8.71%) Windows Server 2008
9 74 (5.16%) Windows Server 2012
10 57 (3.97%) Solaris
11 36 (2.51%) Fedora
12 32 (2.23%) Windows Server 2003
13 31 (2.16%) Oracle Linux
14 25 (1.74%) SUSE
15 23 (1.60%) FreeBSD
16 22 (1.53%) AIX
17 21 (1.46%) Amazon Linux
18 15 (1.05%) Android
18 15 (1.05%) Mac OS X
19 13 (0.91%) Windows 2000
Processes & Methodologies
1 520 (36.24%) DevOps
2 392 (27.32%) Agile Software Development
3 334 (23.28%) Configuration Management
4 247 (17.21%) Continuous Integration
5 181 (12.61%) Scrum
6 167 (11.64%) Open Source
7 166 (11.57%) ITIL
8 104 (7.25%) E-Commerce
9 86 (5.99%) High Availability
10 85 (5.92%) Continuous Improvement
11 83 (5.78%) Load Balancing
12 65 (4.53%) Service Management
13 54 (3.76%) Change Management
14 48 (3.34%) Security Patching
14 48 (3.34%) Web Development
15 47 (3.28%) Continuous Delivery
15 47 (3.28%) Mentoring
15 47 (3.28%) Root Cause Analysis
16 46 (3.21%) Software Engineering
17 45 (3.14%) Kanban
Programming Languages
1 578 (40.28%) Python
2 494 (34.43%) Bash Shell
3 395 (27.53%) Perl
4 354 (24.67%) Java
5 288 (20.07%) Ruby
6 254 (17.70%) PHP
7 242 (16.86%) SQL
8 107 (7.46%) Shell Script
9 101 (7.04%) JavaScript
10 85 (5.92%) PowerShell
11 76 (5.30%) C
12 52 (3.62%) C++
13 42 (2.93%) C#
14 21 (1.46%) Groovy
15 19 (1.32%) AWK
16 13 (0.91%) Scala
17 11 (0.77%) Korn
18 9 (0.63%) sed
19 6 (0.42%) Tcl
19 6 (0.42%) T-SQL
Qualifications
1 96 (6.69%) Security Cleared
2 93 (6.48%) Degree
3 77 (5.37%) Cisco Certification
4 72 (5.02%) SC Cleared
5 59 (4.11%) CCNA
6 57 (3.97%) RHCE
7 51 (3.55%) CCNP
8 48 (3.34%) VMware Certified Professional (VCP)
9 33 (2.30%) RHCSA
10 31 (2.16%) Microsoft Certification
11 18 (1.25%) MCSE
12 17 (1.18%) MCITP
13 10 (0.70%) CISSP
13 10 (0.70%) PhD
14 9 (0.63%) PMI Certification
14 9 (0.63%) PMP
15 7 (0.49%) A+ Certification
15 7 (0.49%) HP ASE
15 7 (0.49%) Network+ Certification
15 7 (0.49%) Security+ Certification
Quality Assurance & Compliance
1 65 (4.53%) QA
2 40 (2.79%) SLA
3 12 (0.84%) ISO/IEC 27001
4 11 (0.77%) PCI DSS
5 6 (0.42%) GPG13
6 2 (0.14%) ISO 9000
7 1 (0.070%) DICOM
7 1 (0.070%) HL7
7 1 (0.070%) SAS 70
System Software
1 311 (21.67%) VMware Infrastructure
2 174 (12.13%) Docker
3 148 (10.31%) Active Directory
4 124 (8.64%) NFS
5 116 (8.08%) VMware ESXi
6 112 (7.80%) vSphere
7 82 (5.71%) Xen
8 73 (5.09%) KVM
9 40 (2.79%) Hyper-V
10 39 (2.72%) iptables
11 38 (2.65%) XenServer
12 37 (2.58%) Varnish
12 37 (2.58%) vCloud
13 33 (2.30%) Squid
14 26 (1.81%) Postfix
15 25 (1.74%) Corosync
16 22 (1.53%) VirtualBox
17 18 (1.25%) Firmware
18 17 (1.18%) VMware ESX
19 16 (1.11%) Samba
Systems Management
1 617 (43.00%) Puppet
2 357 (24.88%) Ansible
3 340 (23.69%) Opscode Chef
4 279 (19.44%) Nagios
5 72 (5.02%) ZABBIX
6 56 (3.90%) HAProxy
7 48 (3.34%) logstash
8 43 (3.00%) Cacti
9 30 (2.09%) Graphite
9 30 (2.09%) Salt
10 28 (1.95%) Zenoss
11 22 (1.53%) Backup Exec
11 22 (1.53%) CFEngine
11 22 (1.53%) Red Hat Spacewalk
12 20 (1.39%) Cobbler
13 19 (1.32%) Packer
14 18 (1.25%) WSUS
15 17 (1.18%) Pacemaker
16 15 (1.05%) Kibana
17 14 (0.98%) OpenNMS
Vendors
1 755 (52.61%) Red Hat
2 526 (36.66%) VMware
3 268 (18.68%) Cisco
4 180 (12.54%) Microsoft
5 167 (11.64%) HP
6 146 (10.17%) Oracle
7 90 (6.27%) IBM
8 71 (4.95%) EMC
9 56 (3.90%) Citrix
9 56 (3.90%) F5
10 53 (3.69%) Splunk
11 52 (3.62%) Juniper
12 51 (3.55%) SaltStack
13 46 (3.21%) New Relic
14 42 (2.93%) NetApp
15 40 (2.79%) Atlassian
16 37 (2.58%) SolarWinds
17 35 (2.44%) Rackspace
18 33 (2.30%) Dell
19 27 (1.88%) Google
London
Oho Group Ltd.
Salary: £55k - 75k per year
Posted: 7 hours ago
Cambridge, Cambridgeshire
Adalta Recruitment Solutions
Salary: £40000 - £50000 per annum + Benefits
Posted: 7 hours ago
Reading, Berkshire
Coal IT Services
Salary: From £65,000 to £70,000 per annum Excelent Package + Bonus
Posted: 7 hours ago
London
Austin Fraser
Salary: £45000.00 - £60000.00 per annum + Bens
Posted: 8 hours ago
London
Austin Fraser
Salary: £35000.00 - £45000.00 per annum + Bens
Posted: 8 hours ago
North Yorkshire
Harvey Nash plc
Salary: £18000 - £25000 per annum
Posted: 9 hours ago
London
Lorien Resourcing
Salary: £45000 - £50000 per annum + Excellent benefits + Bonus
Posted: 12 hours ago
West London
Evolution Recruitment Solutions
Salary: Circa; 42,000 + Exceptional Benefits Package
Posted: 13 hours ago
South East London
Spencer Rose
Salary: £50,000 per annum
Posted: 13 hours ago
Lincoln, Lincolnshire
QUANTICA
Salary: £60000 - £70000 per annum
Posted: 15 hours ago
Camberley, Surrey
Peopleworks
Salary: From £35,000 to £37,000 per annum £35,000 to £37,000 Negotiable + G'Te
Posted: 15 hours ago
London
Red Sofa London
Salary: £35000.00 - £55000.00 per annum + Excellent Benefits
Posted: 16 hours ago
Maidenhead, Berkshire
Fenwick Ryan
Salary: £60000 - £85000 per annum + Car + Bonus + Bens + Stock
Posted: Yesterday
Leeds, West Yorkshire
Circle Recruitment
Salary: £45000 - £55000 per annum + Bonus, Pension, Healthcare
Posted: Yesterday
Reading, Berkshire
83Zero
Salary: From £40,000 to £50,000 per annum + Excellent Company Benefits
Posted: Yesterday
Edinburgh, Midlothian
HAYS INFORMATION TECHNOLOGY
Salary: £40000.00 - £45000.00 per annum
Posted: Yesterday
Cardiff, South Glamorgan
Sanderson
Salary: £35000.00 - £45000.00 per annum + benefits
Posted: Yesterday
Redhill, Surrey
Stafford-Sharp Associates
Salary: £30000 - £45000 per annum
Posted: Yesterday
Leeds, West Yorkshire
Cognizant
Posted: Yesterday
West London
Pole Star Space Applications
Salary: Up to £60,000 per annum
Posted: Yesterday
London
Talent International
Salary: £25000 - £30000 per annum
Posted: Yesterday
Leamington Spa, Warwickshire
Senitor Associates
Salary: £40000 - £70000 per annum + Benefits
Posted: Yesterday
East London
HAYS INFORMATION TECHNOLOGY
Salary: £35000 - £42000 per annum + Benefits
Posted: Yesterday
Leeds, West Yorkshire
Senitor Associates
Salary: £55000 per annum + Bonus + Excellent Benefits
Posted: Yesterday
Stafford, Staffordshire
Searchability
Salary: £40000 - £50000 per annum
Posted: 2 days ago
Manchester, Lancashire
Chassam Contract
Salary: From £35,000 to £40,000 per annum
Posted: 2 days ago
London
Opus Recruitment Solutions Ltd
Salary: £25000 - £40000 per annum
Posted: 2 days ago
Reading, Berkshire
Deanslist Limited
Salary: From £25,000 to £35,000 per annum + Bonus + Benefits
Posted: 2 days ago
Stockport, Cheshire
Applause IT Innovation
Salary: £28000 - £38000 per annum + Flexi Time, Pension, Etc.
Posted: 2 days ago
City, London
Miller Maxwell Ltd
Salary: From £50,000 to £70,000 per annum + Bonus & Benefits
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
Leeds, West Yorkshire
Cognizant
Posted: 2 days ago
Southampton, Hampshire
Spectrum IT Recruitment (South) Ltd
Salary: £30000 - £40000 per annum + training & benefits
Posted: 2 days ago
London
Burns Sheehan
Salary: £45000 - £53000 per annum + Bonus
Posted: 3 days ago
Cambridge, Cambridgeshire
Vantage Recruitment Solutions Ltd
Salary: From £35,000 to £45,000 per annum
Posted: 3 days ago
London
Explore Recruitment Solutions
Salary: £60000 - £70000 per annum
Posted: 4 days ago
City, London
Harrington Starr
Salary: £70000 - £90000 per annum
Posted: 4 days ago
Cambridge, Cambridgeshire
Vantage Recruitment Solutions Ltd
Salary: From £40,000 to £45,000 per annum Benefits package (Including Bonus) +
Posted: 4 days ago
Egham, Surrey
Parham Consulting
Salary: Up to £70,000 per annum Maximum £70,000 plus up to 20% bonus, shares a
Posted: 5 days ago
Cardiff, South Glamorgan
Computer Recruiter Ltd
Salary: c.£40K + Shares + Excellent Benefits
Posted: 5 days ago