The first table below looks at the demand for CentOS skills in IT jobs advertised for the Leeds region. Included is a guide to the average salaries offered in IT jobs that have cited CentOS over the 3 months to 24 July 2014 with a comparison to the same period in the previous 2 years. The second table is for comparison and provides aggregates for all of the Operating Systems category for the Leeds region.

Location
3 months to
24 Jul 2014
Same period 2013 Same period 2012
CentOS Linux
Rank 172 121 149
Rank change year-on-year
-51 +28
Permanent jobs citing CentOS 11 30 1
As % of all permanent IT jobs located in Leeds 0.30% 1.18% 0.040%
As % of the Operating Systems category 1.17% 5.13% 0.17%
Number of salaries quoted 8 20 1
Average salary £24,690 £42,500 £27,500
Average salary % change year-on-year
-41.90% +54.54%
UK excluding London average salary £40,000 £38,500 £35,000
% change year-on-year
+3.89% +10.00%
Operating Systems Category
Leeds
Permanent IT job ads with a match in the
Operating Systems category
941 585 585
As % of all permanent IT jobs located in Leeds 25.72% 22.95% 23.62%
Number of salaries quoted 718 458 444
Average salary £37,500 £33,000 £34,000
Average salary % change year-on-year
+13.63% -2.94%
90% offered a salary of more than £23,000 £20,500 £20,000
10% offered a salary of more than £54,000 £50,000 £47,500
UK excluding London average salary £36,500 £37,500 £37,500
% change year-on-year
-2.66% -
CentOS
West Yorkshire

CentOS
Jobs Demand Trend in Leeds

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

CentOS Jobs Demand Trend in Leeds

CentOS
Salary Trend in Leeds

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

CentOS Salary Trend in Leeds

CentOS
Salary Histogram in Leeds

This chart provides a salary histogram for IT jobs citing CentOS across the Leeds region over the 3 months to 24 July 2014.

CentOS Salary Histogram in Leeds

CentOS
Top 30 Related IT Skills in Leeds

For the 6 months to 24 July 2014, IT jobs across the Leeds 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 37 (100.00%) Linux
2 20 (54.05%) Ubuntu
3 17 (45.95%) VMware
4 16 (43.24%) Red Hat
5 15 (40.54%) SAN
5 15 (40.54%) SLA
5 15 (40.54%) Microsoft
6 14 (37.84%) Windows
6 14 (37.84%) Firewall
6 14 (37.84%) VMware Infrastructure
6 14 (37.84%) Bash Shell
7 13 (35.14%) Cisco
7 13 (35.14%) Tomcat
8 12 (32.43%) Apache
8 12 (32.43%) Perl
8 12 (32.43%) PHP
8 12 (32.43%) Windows Server 2008
8 12 (32.43%) Windows Server 2012
9 11 (29.73%) SUSE
9 11 (29.73%) ITIL
10 10 (27.03%) Python
10 10 (27.03%) MS Excel
11 9 (24.32%) Citrix
11 9 (24.32%) PowerShell
12 8 (21.62%) Debian
12 8 (21.62%) Dell
12 8 (21.62%) IIS
12 8 (21.62%) Splunk
12 8 (21.62%) Puppet
13 7 (18.92%) SQL

CentOS
Top Related IT Skills in Leeds by Category

For the 6 months to 24 July 2014, IT jobs across the Leeds 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 13 (35.14%) Tomcat
2 12 (32.43%) Apache
3 8 (21.62%) IIS
4 5 (13.51%) SharePoint 2013
4 5 (13.51%) Exchange Server 2013
4 5 (13.51%) Lync
4 5 (13.51%) SharePoint
4 5 (13.51%) GlassFish
5 4 (10.81%) Node.js
Applications
1 10 (27.03%) MS Excel
Business Applications
1 5 (13.51%) Dynamics CRM
Cloud Services
1 5 (13.51%) Microsoft Azure
1 5 (13.51%) SaaS
2 1 (2.70%) Amazon AWS
Communications & Networking
1 15 (40.54%) SAN
2 14 (37.84%) Firewall
3 6 (16.22%) Cisco IOS
4 5 (13.51%) NetScaler
5 2 (5.41%) VPN
5 2 (5.41%) LAN
5 2 (5.41%) WAN
5 2 (5.41%) MPLS
6 1 (2.70%) Asterisk PBX
6 1 (2.70%) Internet
6 1 (2.70%) TCP/IP
6 1 (2.70%) VoIP
6 1 (2.70%) ISDN
6 1 (2.70%) DNS
6 1 (2.70%) IPsec
6 1 (2.70%) SSH
6 1 (2.70%) BIG-IP
6 1 (2.70%) NAS
6 1 (2.70%) Cisco ASA
Database & Business Intelligence
1 5 (13.51%) SQL Server
1 5 (13.51%) SQL Server 2008
2 4 (10.81%) MySQL
2 4 (10.81%) MongoDB
3 3 (8.11%) NoSQL
3 3 (8.11%) Hadoop
3 3 (8.11%) Redis
4 1 (2.70%) MariaDB
Development Applications
1 5 (13.51%) Octopus Deploy
2 4 (10.81%) Jenkins
3 3 (8.11%) Git (software)
General
1 1 (2.70%) Advertising
1 1 (2.70%) Games
Job Titles
1 7 (18.92%) Support Technician
1 7 (18.92%) Administrator
2 6 (16.22%) Infrastructure Manager
2 6 (16.22%) Technical Support
3 5 (13.51%) IT Infrastructure Manager
3 5 (13.51%) Infrastructure Delivery Manager
3 5 (13.51%) Infrastructure Services Manager
3 5 (13.51%) Systems Administrator
3 5 (13.51%) Service Manager
3 5 (13.51%) Services Delivery Manager
3 5 (13.51%) Linux Support
3 5 (13.51%) IT Services Delivery Manager
3 5 (13.51%) Delivery Manager
3 5 (13.51%) IT Services Manager
4 4 (10.81%) UNIX Systems Administrator
4 4 (10.81%) UNIX Administrator
4 4 (10.81%) Data Centre Technician
4 4 (10.81%) DevOps Engineer
5 3 (8.11%) DBA
5 3 (8.11%) Server Engineer
Libraries, Frameworks & Software Standards
1 4 (10.81%) LAMP
2 3 (8.11%) RabbitMQ
2 3 (8.11%) Memcached
Miscellaneous
1 6 (16.22%) Clustering
2 5 (13.51%) EqualLogic
3 3 (8.11%) Replication
4 1 (2.70%) Open Source
4 1 (2.70%) NHS
4 1 (2.70%) IVR
4 1 (2.70%) BBC
4 1 (2.70%) Management Information System
4 1 (2.70%) Data Extraction
Operating Systems
1 37 (100.00%) Linux
2 20 (54.05%) Ubuntu
3 14 (37.84%) Windows
4 12 (32.43%) Windows Server 2008
4 12 (32.43%) Windows Server 2012
5 11 (29.73%) SUSE
6 8 (21.62%) Debian
7 7 (18.92%) Red Hat Enterprise Linux
8 5 (13.51%) UNIX
8 5 (13.51%) Solaris
9 4 (10.81%) AIX
Processes & Methodologies
1 11 (29.73%) ITIL
2 6 (16.22%) Software Testing
2 6 (16.22%) Disaster Recovery
2 6 (16.22%) Service Delivery
2 6 (16.22%) Capacity Planning
2 6 (16.22%) Performance Tuning
3 5 (13.51%) Change Control
3 5 (13.51%) CRM
3 5 (13.51%) Business Continuity
3 5 (13.51%) Problem Management
3 5 (13.51%) Continuous Integration
4 4 (10.81%) DevOps
5 3 (8.11%) Data Management
5 3 (8.11%) Incident Management
6 1 (2.70%) Configuration Management
6 1 (2.70%) Project Management
6 1 (2.70%) Change Management
6 1 (2.70%) Service Management
6 1 (2.70%) PRINCE2
6 1 (2.70%) Migration
Programming Languages
1 14 (37.84%) Bash Shell
2 12 (32.43%) Perl
2 12 (32.43%) PHP
3 10 (27.03%) Python
4 9 (24.32%) PowerShell
5 7 (18.92%) SQL
6 5 (13.51%) Shell Script
6 5 (13.51%) VBScript
6 5 (13.51%) Java
7 3 (8.11%) JavaScript
7 3 (8.11%) Ruby
8 1 (2.70%) sed
8 1 (2.70%) AWK
Qualifications
1 6 (16.22%) ISEB
1 6 (16.22%) Cisco Certification
1 6 (16.22%) ITIL Foundation Certificate
1 6 (16.22%) ISTQB Foundation Certification
2 5 (13.51%) Microsoft Certification
2 5 (13.51%) MCSE
2 5 (13.51%) MCSA
2 5 (13.51%) CCNA
3 1 (2.70%) VCAP
3 1 (2.70%) CCNP
3 1 (2.70%) Degree
3 1 (2.70%) PRINCE2 Practitioner
Quality Assurance & Compliance
1 15 (40.54%) SLA
2 2 (5.41%) ISO/IEC 27001
2 2 (5.41%) ISO 9001
3 1 (2.70%) ISO 14001
System Software
1 14 (37.84%) VMware Infrastructure
2 7 (18.92%) VMware ESX
3 6 (16.22%) Active Directory
4 5 (13.51%) XenServer
5 4 (10.81%) Samba
6 3 (8.11%) Hyper-V
7 2 (5.41%) vSphere
7 2 (5.41%) VMware ESXi
8 1 (2.70%) XenApp
8 1 (2.70%) VMware Server
Systems Management
1 8 (21.62%) Puppet
2 5 (13.51%) ZABBIX
3 4 (10.81%) NetBackup
3 4 (10.81%) Opsview
3 4 (10.81%) Opscode Chef
4 3 (8.11%) Foglight
5 1 (2.70%) HP Quality Center
5 1 (2.70%) Vagrant
5 1 (2.70%) Nagios
5 1 (2.70%) OpenView
Vendors
1 17 (45.95%) VMware
2 16 (43.24%) Red Hat
3 15 (40.54%) Microsoft
4 13 (35.14%) Cisco
5 9 (24.32%) Citrix
6 8 (21.62%) Dell
6 8 (21.62%) Splunk
7 5 (13.51%) Juniper
8 4 (10.81%) Oracle
8 4 (10.81%) NetApp
8 4 (10.81%) HP
9 3 (8.11%) Tealeaf
9 3 (8.11%) Riverbed
10 1 (2.70%) F5
10 1 (2.70%) Percona
10 1 (2.70%) CommVault
10 1 (2.70%) Symantec
10 1 (2.70%) Avaya
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