The table below looks at the statistics for CentOS skills in IT jobs advertised for the Cambridge region. Included is a guide to the average salaries offered in IT jobs that have cited CentOS over the 3 months to 22 September 2014 with a comparison to the same period in the previous 2 years.

Location
3 months to
22 Sep 2014
Same period 2013 Same period 2012
CentOS Linux
Rank 94 109 95
Rank change year-on-year
+15 -14
Permanent jobs citing CentOS 21 9 28
As % of all permanent IT jobs located in Cambridge 1.19% 0.57% 1.38%
As % of the Operating Systems category 3.51% 1.46% 4.16%
Number of salaries quoted 16 9 23
Average salary £42,000 £35,000 £45,000
Average salary % change year-on-year
+20.00% -22.22%
UK excluding London average salary £41,500 £40,000 £37,500
% change year-on-year
+3.75% +6.66%
CentOS
Cambridgeshire

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

Operating Systems Category
Cambridge
Permanent IT job ads with a match in the
Operating Systems category
599 617 673
As % of all permanent IT jobs located in Cambridge 33.88% 39.40% 33.25%
Number of salaries quoted 494 532 572
Average salary £40,000 £40,000 £40,000
90% offered a salary of more than £25,600 £27,500 £27,203
10% offered a salary of more than £55,000 £50,000 £55,000
UK excluding London average salary £36,500 £37,500 £37,500
% change year-on-year
-2.66% -

CentOS
Jobs Demand Trend in Cambridge

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

CentOS Jobs Demand Trend in Cambridge

CentOS
Salary Trend in Cambridge

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

CentOS Salary Trend in Cambridge

CentOS
Top 30 Related IT Skills in Cambridge

For the 6 months to 22 September 2014, IT jobs across the Cambridge 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 41 (80.39%) Red Hat
2 36 (70.59%) Linux
3 35 (68.63%) Perl
4 30 (58.82%) UNIX
5 26 (50.98%) Bash Shell
6 25 (49.02%) Oracle
7 24 (47.06%) Ubuntu
8 20 (39.22%) Red Hat Enterprise Linux
8 20 (39.22%) VMware
9 19 (37.25%) MySQL
10 18 (35.29%) ITIL
11 17 (33.33%) Apache
11 17 (33.33%) Oracle Database
12 16 (31.37%) SQL
12 16 (31.37%) Active Directory
12 16 (31.37%) Microsoft
13 15 (29.41%) ERP
13 15 (29.41%) T-SQL
13 15 (29.41%) SAP
13 15 (29.41%) Python
13 15 (29.41%) Migration
13 15 (29.41%) Oracle EBS
13 15 (29.41%) RHCE
13 15 (29.41%) Performance Tuning
13 15 (29.41%) SCOM
14 13 (25.49%) VMware ESX
14 13 (25.49%) DHCP
15 12 (23.53%) DNS
16 10 (19.61%) Oracle Enterprise Manager
16 10 (19.61%) E-Commerce

CentOS
Top Related IT Skills in Cambridge by Category

For the 6 months to 22 September 2014, IT jobs across the Cambridge 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 17 (33.33%) Apache
2 2 (3.92%) nginx
2 2 (3.92%) iPlanet
3 1 (1.96%) MS Exchange
Applications
1 1 (1.96%) MS Excel
Business Applications
1 15 (29.41%) Oracle EBS
2 1 (1.96%) Dynamics NAV
2 1 (1.96%) Dynamics CRM
Communications & Networking
1 13 (25.49%) DHCP
2 12 (23.53%) DNS
3 3 (5.88%) LDAP
3 3 (5.88%) TCP/IP
4 2 (3.92%) SAN
5 1 (1.96%) OSPF
5 1 (1.96%) Wireless
5 1 (1.96%) RIP
5 1 (1.96%) IPv4
5 1 (1.96%) VLAN
5 1 (1.96%) OpenVPN
5 1 (1.96%) iSCSI
5 1 (1.96%) OpenLDAP
Database & Business Intelligence
1 19 (37.25%) MySQL
2 17 (33.33%) Oracle Database
3 2 (3.92%) Oracle Database 11g
3 2 (3.92%) Relational Database
3 2 (3.92%) PostgreSQL
4 1 (1.96%) SQL Server
General
1 10 (19.61%) Pharmaceutical
2 8 (15.69%) Manufacturing
3 3 (5.88%) Telecoms
4 1 (1.96%) Finance
Job Titles
1 33 (64.71%) Systems Administrator
1 33 (64.71%) Administrator
2 30 (58.82%) Linux Systems Administrator
2 30 (58.82%) Linux Administrator
3 10 (19.61%) UNIX Administrator
4 9 (17.65%) Linux Engineer
5 8 (15.69%) Senior UNIX Administrator
6 7 (13.73%) Support Engineer
7 5 (9.80%) Technical Engineer
7 5 (9.80%) Technical Support Engineer
7 5 (9.80%) Technical Support
7 5 (9.80%) Linux DevOps Engineer
7 5 (9.80%) DevOps Engineer
8 3 (5.88%) Systems Engineer
8 3 (5.88%) DevOps Administrator
9 2 (3.92%) Team Leader
9 2 (3.92%) UNIX Systems Administrator
10 1 (1.96%) Infrastructure Engineer
10 1 (1.96%) Senior Systems Administrator
10 1 (1.96%) Senior Windows Administrator
Libraries, Frameworks & Software Standards
1 1 (1.96%) LAMP
Miscellaneous
1 10 (19.61%) PKI
2 2 (3.92%) Clustering
Operating Systems
1 36 (70.59%) Linux
2 30 (58.82%) UNIX
3 24 (47.06%) Ubuntu
4 20 (39.22%) Red Hat Enterprise Linux
5 10 (19.61%) Solaris
6 9 (17.65%) Debian
7 3 (5.88%) Windows
8 1 (1.96%) Windows Server 2012
8 1 (1.96%) Windows Server 2008
Processes & Methodologies
1 18 (35.29%) ITIL
2 15 (29.41%) ERP
2 15 (29.41%) Migration
2 15 (29.41%) Performance Tuning
3 10 (19.61%) E-Commerce
3 10 (19.61%) Data Analysis
4 9 (17.65%) DevOps
5 5 (9.80%) Online Security
6 3 (5.88%) Configuration Management
7 2 (3.92%) Load Balancing
8 1 (1.96%) CRM
Programming Languages
1 35 (68.63%) Perl
2 26 (50.98%) Bash Shell
3 16 (31.37%) SQL
4 15 (29.41%) T-SQL
4 15 (29.41%) Python
5 4 (7.84%) Shell Script
6 3 (5.88%) Bourne shell
7 2 (3.92%) Ruby
Qualifications
1 15 (29.41%) RHCE
2 10 (19.61%) OCP
2 10 (19.61%) Oracle Certification
3 1 (1.96%) Microsoft Certification
3 1 (1.96%) MCSE
3 1 (1.96%) MCSA
System Software
1 16 (31.37%) Active Directory
2 13 (25.49%) VMware ESX
3 10 (19.61%) Oracle RMAN
3 10 (19.61%) vSphere
4 3 (5.88%) NFS
5 2 (3.92%) VMware Infrastructure
5 2 (3.92%) Sendmail
6 1 (1.96%) Xen
6 1 (1.96%) Hyper-V
Systems Management
1 15 (29.41%) SCOM
2 10 (19.61%) Oracle Enterprise Manager
2 10 (19.61%) EMC NetWorker
2 10 (19.61%) SCCM
2 10 (19.61%) Puppet
3 4 (7.84%) CFEngine
4 2 (3.92%) Ansible
4 2 (3.92%) Opscode Chef
4 2 (3.92%) Nagios
5 1 (1.96%) BladeLogic
5 1 (1.96%) ZABBIX
5 1 (1.96%) Munin
Vendors
1 41 (80.39%) Red Hat
2 25 (49.02%) Oracle
3 20 (39.22%) VMware
4 16 (31.37%) Microsoft
5 15 (29.41%) SAP
6 10 (19.61%) HP
6 10 (19.61%) Dell
6 10 (19.61%) EMC
6 10 (19.61%) IBM
7 2 (3.92%) Vertica
7 2 (3.92%) NetApp
8 1 (1.96%) Cisco
8 1 (1.96%) Citrix
8 1 (1.96%) New Relic
8 1 (1.96%) SolarWinds