The table below looks at the statistics for CentOS skills in IT jobs advertised for the London region. Included is a guide to the average salaries offered in IT jobs that have cited CentOS over the 3 months to 29 April 2016 with a comparison to the same period in the previous 2 years.

3 months to
29 Apr 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 342 353 404
Rank change year-on-year
+11 +51
Permanent jobs citing CentOS 367 356 309
As % of all permanent IT jobs located in London 0.87% 0.80% 0.63%
As % of the Operating Systems category 3.33% 2.86% 2.30%
Number of salaries quoted 316 300 276
Average salary £57,500 £52,250 £50,000
Average salary % change year-on-year
+10.04% +4.50%
90% offered a salary of more than £41,250 £35,000 £37,500
10% offered a salary of more than £80,000 £67,500 £65,000
UK excluding London average salary £47,500 £40,000 £38,000
% change year-on-year
+18.75% +5.26%
CentOS
England

The following table is for comparison with the above and provides statistics for the entire Operating Systems category in permanent jobs advertised in the London region.

Operating Systems Category
London
Permanent IT job ads with a match in the
Operating Systems category
11022 12456 13422
As % of all permanent IT jobs located in London 26.08% 27.86% 27.39%
Number of salaries quoted 9540 10714 11387
Average salary £50,000 £48,500 £47,500
Average salary % change year-on-year
+3.09% +2.10%
90% offered a salary of more than £27,500 £27,500 £27,500
10% offered a salary of more than £75,000 £72,500 £72,500
UK excluding London average salary £37,500 £37,500 £36,500
% change year-on-year
- +2.73%

CentOS
Jobs Demand Trend in London

This chart provides a 3-month moving total of permanent IT jobs citing CentOS across the London region as a proportion of the total demand within the Operating Systems category.

CentOS Jobs Demand Trend in London

CentOS
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing CentOS across the London region.

CentOS Salary Trend in London

CentOS
Salary Histogram in London

This chart provides a salary histogram for IT jobs citing CentOS across the London region over the 3 months to 29 April 2016.

CentOS Salary Histogram in London

CentOS
Job Locations in London

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing CentOS within the London region over the 3 months to 29 April 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
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Average Salary
Last 3 Months
Average Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +32 31 £67,500 +50.00% 8
Brentford - 10 £37,500 -
Hammersmith +3 7 £65,000 +18.18%
Mayfair - 7 £100,000 -
Croydon - 5 £47,500 - 1
Kingston Upon Thames - 2 £48,750 - 1
Bromley - 1 £38,500 -
CentOS
England

CentOS
Top 30 Related IT Skills in London

For the 6 months to 29 April 2016, IT jobs across the London region citing CentOS also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited CentOS.

1 688 (94.51%) Linux
2 365 (50.14%) Red Hat
3 335 (46.02%) DevOps
4 332 (45.60%) Puppet
5 314 (43.13%) Python
6 295 (40.52%) Red Hat Enterprise Linux
7 269 (36.95%) VMware
8 264 (36.26%) Bash Shell
9 258 (35.44%) MySQL
10 255 (35.03%) Amazon AWS
11 247 (33.93%) Ubuntu
12 225 (30.91%) Agile Software Development
13 218 (29.95%) Apache
14 215 (29.53%) Ansible
15 211 (28.98%) Jenkins
16 200 (27.47%) Perl
17 196 (26.92%) Java
18 187 (25.69%) Opscode Chef
19 182 (25.00%) Nagios
20 174 (23.90%) Configuration Management
21 173 (23.76%) LAMP
22 171 (23.49%) Ruby
23 170 (23.35%) Continuous Integration
24 167 (22.94%) Tomcat
25 163 (22.39%) Windows
26 162 (22.25%) Git (software)
27 154 (21.15%) PHP
28 152 (20.88%) VMware Infrastructure
29 142 (19.51%) SQL
30 128 (17.58%) Firewall

CentOS
Top Related IT Skills in London by Category

For the 6 months to 29 April 2016, IT jobs across the London region citing CentOS also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited CentOS. Up to 20 skills are shown per category.

Application Platforms
1 218 (29.95%) Apache
2 167 (22.94%) Tomcat
3 71 (9.75%) OpenStack
4 70 (9.62%) nginx
5 43 (5.91%) JBoss
6 32 (4.40%) IIS
7 28 (3.85%) Apache Spark
8 26 (3.57%) Node.js
9 22 (3.02%) Elasticsearch
10 21 (2.88%) Confluence
11 20 (2.75%) Moodle
12 10 (1.37%) Jetty
13 9 (1.24%) Apache ServiceMix
13 9 (1.24%) MS Exchange
14 7 (0.96%) Apache TomEE
14 7 (0.96%) Exchange Server 2010
15 5 (0.69%) Cloud Foundry
15 5 (0.69%) Zimbra
16 4 (0.55%) ArcGIS
16 4 (0.55%) WebLogic
Applications
1 27 (3.71%) MS Excel
2 5 (0.69%) MS PowerPoint
2 5 (0.69%) MS Visio
3 1 (0.14%) Spreadsheet
Business Applications
1 3 (0.41%) Documaker
2 2 (0.27%) Remedy ITSM
3 1 (0.14%) Oracle Retail
Cloud Services
1 255 (35.03%) Amazon AWS
2 65 (8.93%) Amazon EC2
3 59 (8.10%) AWS CloudFormation
4 44 (6.04%) Amazon S3
5 40 (5.49%) Virtual Private Cloud
6 36 (4.95%) IaaS
6 36 (4.95%) Microsoft Azure
7 35 (4.81%) GitHub
8 24 (3.30%) Amazon CloudWatch
9 19 (2.61%) Amazon ELB
10 17 (2.34%) SaaS
11 15 (2.06%) Cloud Computing
12 8 (1.10%) Azure Active Directory
12 8 (1.10%) Route 53
13 5 (0.69%) Google Apps
14 4 (0.55%) Amazon SQS
14 4 (0.55%) Datadog
14 4 (0.55%) Office 365
14 4 (0.55%) PaaS
15 3 (0.41%) AWS OpsWorks
Communications & Networking
1 128 (17.58%) Firewall
2 111 (15.25%) DNS
3 106 (14.56%) TCP/IP
4 97 (13.32%) SAN
5 55 (7.55%) LDAP
6 50 (6.87%) LAN
7 47 (6.46%) WAN
8 40 (5.49%) SSH
9 33 (4.53%) VoIP
10 32 (4.40%) Internet
10 32 (4.40%) VLAN
11 31 (4.26%) iSCSI
12 28 (3.85%) VPN
13 24 (3.30%) Kerberos
14 23 (3.16%) DHCP
15 22 (3.02%) HTTP
16 20 (2.75%) SMTP
17 18 (2.47%) Cisco Nexus
18 16 (2.20%) Asterisk PBX
18 16 (2.20%) SSL
Database & Business Intelligence
1 258 (35.44%) MySQL
2 101 (13.87%) MongoDB
3 98 (13.46%) PostgreSQL
4 41 (5.63%) Apache Cassandra
5 39 (5.36%) NoSQL
6 32 (4.40%) Hadoop
7 28 (3.85%) Oracle Database
8 26 (3.57%) SQL Server
9 25 (3.43%) Redis
10 24 (3.30%) Amazon RDS
11 21 (2.88%) CouchDB
12 18 (2.47%) Apache Hive
13 15 (2.06%) DB2
14 13 (1.79%) Relational Database
15 10 (1.37%) OpenTSDB
16 9 (1.24%) DataStax
17 8 (1.10%) Aerospike
17 8 (1.10%) Big Data
18 5 (0.69%) Couchbase
19 4 (0.55%) QGIS
Development Applications
1 211 (28.98%) Jenkins
2 162 (22.25%) Git (software)
3 62 (8.52%) Maven
4 58 (7.97%) Subversion
5 34 (4.67%) JIRA
5 34 (4.67%) Selenium
5 34 (4.67%) Vagrant
6 31 (4.26%) Atlassian Bamboo
6 31 (4.26%) TeamCity
7 22 (3.02%) Sonatype Nexus
8 21 (2.88%) PHPUnit
9 20 (2.75%) Cucumber
10 18 (2.47%) Gradle
11 17 (2.34%) Travis CI
12 16 (2.20%) GitLab
13 15 (2.06%) Ant
14 11 (1.51%) Eclipse
14 11 (1.51%) GCC
14 11 (1.51%) IntelliJ
15 8 (1.10%) Octopus Deploy
General
1 99 (13.60%) Finance
2 67 (9.20%) Marketing
3 56 (7.69%) Games
4 40 (5.49%) Telecoms
5 20 (2.75%) Banking
6 17 (2.34%) Retail
7 9 (1.24%) Online Betting
8 8 (1.10%) Back Office
8 8 (1.10%) Law
9 6 (0.82%) Advertising
10 4 (0.55%) Pharmaceutical
10 4 (0.55%) Publishing
11 1 (0.14%) Financial Institution
11 1 (0.14%) Manufacturing
Job Titles
1 289 (39.70%) Administrator
2 238 (32.69%) Systems Administrator
3 234 (32.14%) Linux Administrator
4 201 (27.61%) Linux Systems Administrator
5 192 (26.37%) DevOps Engineer
6 151 (20.74%) Linux Engineer
7 122 (16.76%) Linux/Unix DevOps
8 89 (12.23%) Linux DevOps Engineer
9 57 (7.83%) Developer
10 52 (7.14%) Analyst
11 42 (5.77%) Linux Support
12 40 (5.49%) DevOps Administrator
13 39 (5.36%) Systems Support
14 37 (5.08%) Systems Engineer
15 35 (4.81%) Cloud Engineer
16 34 (4.67%) AWS Engineer
17 32 (4.40%) Linux DevOps Administrator
17 32 (4.40%) Senior Linux Administrator
18 30 (4.12%) Senior DevOps Engineer
19 29 (3.98%) Java Developer
Libraries, Frameworks & Software Standards
1 173 (23.76%) LAMP
2 96 (13.19%) Web Services
3 59 (8.10%) LEMP Stack
4 35 (4.81%) Memcached
5 33 (4.53%) jQuery
6 32 (4.40%) HTML
7 29 (3.98%) SOAP
8 28 (3.85%) REST
8 28 (3.85%) Spring
9 26 (3.57%) CSS
10 22 (3.02%) FIX Protocol
11 21 (2.88%) Ajax
11 21 (2.88%) Behat
12 19 (2.61%) ActiveMQ
12 19 (2.61%) MCollective
13 16 (2.20%) Apache Camel
13 16 (2.20%) JMS
13 16 (2.20%) LAPP Stack
13 16 (2.20%) Sass
13 16 (2.20%) XML
Miscellaneous
1 66 (9.07%) Data Centre
2 43 (5.91%) Computer Science
3 42 (5.77%) User Experience
4 41 (5.63%) Analytical Skills
5 29 (3.98%) Management Information System
6 27 (3.71%) Fintech
7 26 (3.57%) e-Learning
8 25 (3.43%) Algorithms
9 23 (3.16%) Mathematics
10 20 (2.75%) VLE
11 19 (2.61%) Private Cloud
12 18 (2.47%) Learning Management System
13 16 (2.20%) Mobile App
13 16 (2.20%) Online Games
14 15 (2.06%) Foreign Exchange (FX)
14 15 (2.06%) IPTV
14 15 (2.06%) Over-the-Top Content
15 13 (1.79%) Clustering
15 13 (1.79%) Hedge funds
16 11 (1.51%) HP StoreVirtual
Operating Systems
1 688 (94.51%) Linux
2 295 (40.52%) Red Hat Enterprise Linux
3 247 (33.93%) Ubuntu
4 163 (22.39%) Windows
5 123 (16.90%) Debian
6 118 (16.21%) Unix
7 62 (8.52%) Windows Server
8 51 (7.01%) Windows Server 2008
9 40 (5.49%) Windows Server 2012
10 26 (3.57%) Fedora
11 23 (3.16%) Amazon Linux
12 18 (2.47%) Solaris
12 18 (2.47%) Windows Server 2003
13 16 (2.20%) SUSE
14 13 (1.79%) Oracle Linux
15 11 (1.51%) Mac OS X
16 10 (1.37%) FreeBSD
17 6 (0.82%) Android
18 5 (0.69%) AIX
18 5 (0.69%) Windows 7
Processes & Methodologies
1 335 (46.02%) DevOps
2 225 (30.91%) Agile Software Development
3 174 (23.90%) Configuration Management
4 170 (23.35%) Continuous Integration
5 103 (14.15%) Open Source
6 91 (12.50%) Scrum
7 68 (9.34%) E-Commerce
8 53 (7.28%) High Availability
9 48 (6.59%) Continuous Improvement
10 44 (6.04%) Load Balancing
11 41 (5.63%) Web Development
12 40 (5.49%) ITIL
13 38 (5.22%) Kanban
14 33 (4.53%) Security Patching
15 32 (4.40%) Disaster Recovery
16 29 (3.98%) Project Management
16 29 (3.98%) Root Cause Analysis
17 26 (3.57%) Automated Testing
17 26 (3.57%) Continuous Delivery
17 26 (3.57%) TDD
Programming Languages
1 314 (43.13%) Python
2 264 (36.26%) Bash Shell
3 200 (27.47%) Perl
4 196 (26.92%) Java
5 171 (23.49%) Ruby
6 154 (21.15%) PHP
7 142 (19.51%) SQL
8 39 (5.36%) JavaScript
9 38 (5.22%) Shell Script
10 33 (4.53%) PowerShell
11 28 (3.85%) C++
12 27 (3.71%) C
13 15 (2.06%) AWK
14 13 (1.79%) Groovy
15 9 (1.24%) C#
15 9 (1.24%) Scala
15 9 (1.24%) Tcl
16 5 (0.69%) Korn
17 4 (0.55%) Go
18 3 (0.41%) Lua
Qualifications
1 71 (9.75%) Degree
2 29 (3.98%) SC Cleared
2 29 (3.98%) Security Cleared
3 18 (2.47%) Cisco Certification
4 15 (2.06%) RHCE
5 13 (1.79%) CCNA
6 9 (1.24%) Microsoft Certification
6 9 (1.24%) VMware Certified Professional (VCP)
7 7 (0.96%) MCITP
8 6 (0.82%) CCNP
8 6 (0.82%) PMI Certification
8 6 (0.82%) PMP
9 5 (0.69%) AWS Certification
9 5 (0.69%) CFA
9 5 (0.69%) MBA
9 5 (0.69%) PhD
10 2 (0.27%) MCSE
10 2 (0.27%) RHCSA
11 1 (0.14%) MCP
11 1 (0.14%) MCSA
Quality Assurance & Compliance
1 29 (3.98%) QA
2 11 (1.51%) PCI DSS
2 11 (1.51%) SLA
3 9 (1.24%) ISO/IEC 27001
4 2 (0.27%) ISO 14001
4 2 (0.27%) ISO 9001
5 1 (0.14%) DICOM
5 1 (0.14%) HL7
5 1 (0.14%) SAS 70
System Software
1 152 (20.88%) VMware Infrastructure
2 116 (15.93%) Docker
3 86 (11.81%) NFS
4 85 (11.68%) Active Directory
5 82 (11.26%) VMware ESXi
6 55 (7.55%) KVM
7 37 (5.08%) Xen
8 31 (4.26%) vSphere
9 29 (3.98%) Varnish
10 28 (3.85%) XenServer
11 15 (2.06%) Hyper-V
12 14 (1.92%) iptables
12 14 (1.92%) VMware ESX
13 12 (1.65%) Corosync
13 12 (1.65%) vCloud
14 11 (1.51%) Postfix
14 11 (1.51%) QEMU
15 10 (1.37%) GlusterFS
16 9 (1.24%) RHEV
16 9 (1.24%) Squid
Systems Management
1 332 (45.60%) Puppet
2 215 (29.53%) Ansible
3 187 (25.69%) Opscode Chef
4 182 (25.00%) Nagios
5 45 (6.18%) ZABBIX
6 33 (4.53%) HAProxy
7 32 (4.40%) Cacti
8 25 (3.43%) Salt
9 22 (3.02%) logstash
10 20 (2.75%) CFEngine
11 18 (2.47%) Graphite
12 17 (2.34%) Packer
13 16 (2.20%) yum
14 12 (1.65%) Red Hat Spacewalk
14 12 (1.65%) Zenoss
15 11 (1.51%) SELinux
16 10 (1.37%) Icinga
16 10 (1.37%) Pingdom
17 9 (1.24%) Riemann
18 8 (1.10%) Pacemaker
Vendors
1 365 (50.14%) Red Hat
2 269 (36.95%) VMware
3 105 (14.42%) Cisco
4 72 (9.89%) HP
5 67 (9.20%) Oracle
6 62 (8.52%) Microsoft
7 42 (5.77%) New Relic
8 41 (5.63%) Splunk
9 33 (4.53%) Citrix
10 30 (4.12%) SaltStack
11 28 (3.85%) NetApp
12 25 (3.43%) Rackspace
13 23 (3.16%) IBM
14 22 (3.02%) Atlassian
15 17 (2.34%) SolarWinds
16 16 (2.20%) AppDynamics
17 15 (2.06%) Google
18 14 (1.92%) 3PAR
18 14 (1.92%) F5
19 12 (1.65%) EMC
London
Haybrook IT Resourcing Ltd
Salary: Negotiable
Posted: 15 hours ago
London
Austin Fraser
Salary: £75000.00 - £85000.00 per annum + 16% Bonus
Posted: 16 hours ago
London
Burns Sheehan
Salary: £45000 - £53000 per annum + Bonus
Posted: 22 hours ago
London
Network Compucare Ltd
Posted: Yesterday
London
Venturi
Salary: £45000.00 - £75000.00 per annum + benefits & bonus
Posted: Yesterday
West London
JD & Co Ltd
Salary: £55,000 per annum Plus package
Posted: Yesterday
London
McGregor Boyall
Salary: £50000 per annum
Posted: 2 days ago
London
Austin Fraser
Salary: £45000.00 - £60000.00 per annum + Bens
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
Algomi
Salary: Unspecified
Posted: 2 days ago
City, London
Harvey Nash plc
Salary: £35000 - £45000 per annum
Posted: 2 days ago
London
Talent International
Salary: £50000 - £55000 per annum + benefits and development
Posted: 2 days ago
Isleworth, Middlesex
Opus Resourcing Ltd
Salary: £50000 - £70000 per annum + Generous Bens + Bonus
Posted: 3 days ago
London
Digitech Resourcing Ltd
Salary: From £60,000 to £75,000 per annum excellent bonus + benefits
Posted: 3 days ago
Hayes, Middlesex
Rackspace
Salary: Bonus + Benefits Package
Posted: 3 days ago
City, London
RecruitmentRevolution.com Limited
Salary: From £35,000 to £50,000 per annum + Benefits
Posted: 3 days ago
London
Harvey Nash plc
Salary: £60000 - £70000 per annum + Benefits + On Call
Posted: 4 days ago
Central London / West End
Client Server
Salary: £40k to £55k + bonus + benefits
Posted: 4 days ago
Kingston Upon Thames, Surrey
Think IT Recruitment
Salary: £45000.00 - £55000 per annum + Benefits
Posted: 4 days ago
London
Venturi
Salary: £40000.00 - £65000.00 per annum + benefits & bonus
Posted: 4 days ago
London
Austin Fraser
Salary: £55000.00 - £65000.00 per annum + Bens
Posted: 4 days ago
London
Red Sofa London
Salary: £35000.00 - £55000.00 per annum + Excellent Benefits
Posted: 4 days ago
London
E-synergy Solutions
Salary: £70000 - £90000 per annum + Benefits
Posted: 4 days ago
City, London
Oscar
Salary: £40000 - £50000 per annum + 35% Bonus, 25 days, Flexitime
Posted: 4 days ago
City, London
Miller Maxwell Ltd
Salary: From £50,000 to £80,000 per annum + Benefits + Bonus
Posted: 4 days ago
London
Randstad Technologies
Salary: £50000.00 per annum + visa sponsorship
Posted: 5 days ago
City, London
Harrington Starr
Salary: £70000 - £90000 per annum
Posted: 6 days ago
London
Visual Data Media Services
Posted: 9 days ago
City, London
Rival Systems
Salary: Competitive base, bonus, and benefits
Posted: 15 days ago
South East London
Surevine
Salary: From £20,000 to £25,000 per annum
Posted: 16 days ago