The table below looks at the statistics for CentOS skills in IT jobs advertised for the North West region. Included is a guide to the average salaries offered in IT jobs that have cited CentOS over the 3 months to 24 December 2014 with a comparison to the same period in the previous 2 years.

Location
3 months to
24 Dec 2014
Same period 2013 Same period 2012
CentOS Linux
Rank 238 222 246
Rank change year-on-year
-16 +24
Permanent jobs citing CentOS 14 17 13
As % of all permanent IT jobs located in the North West 0.19% 0.25% 0.16%
As % of the Operating Systems category 0.72% 1.00% 0.66%
Number of salaries quoted 12 16 13
Average salary £35,000 £40,000 £32,500
Average salary % change year-on-year
-12.50% +23.07%
90% offered a salary of more than £27,750 £25,000 £28,500
10% offered a salary of more than £47,250 £45,000 £44,400
UK excluding London average salary £40,000 £40,000 £37,000
% change year-on-year
- +8.10%
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 North West region.

Operating Systems Category
North West
Permanent IT job ads with a match in the
Operating Systems category
1939 1701 1966
As % of all permanent IT jobs located in the North West 26.52% 25.36% 24.76%
Number of salaries quoted 1682 1476 1778
Average salary £36,000 £35,000 £35,000
Average salary % change year-on-year
+2.85% -
90% offered a salary of more than £22,500 £22,500 £22,500
10% offered a salary of more than £55,000 £50,000 £50,000
UK excluding London average salary £37,500 £37,500 £37,500

CentOS
Jobs Demand Trend in the North West

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

CentOS Jobs Demand Trend in the North West

CentOS
Salary Trend in the North West

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

CentOS Salary Trend in the North West

CentOS
Salary Histogram in the North West

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

CentOS Salary Histogram in the North West

CentOS
Job Locations in the North West

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing CentOS within the North West region over the 3 months to 24 December 2014. 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
Manchester -16 11 £33,750 -18.67% 3
Cheshire 0 3 £43,750 +75.00%
CentOS
England

CentOS
Top 30 Related IT Skills in the North West

For the 6 months to 24 December 2014, IT jobs across the North West 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 31 (100.00%) Linux
2 17 (54.84%) MySQL
2 17 (54.84%) Red Hat
3 15 (48.39%) Windows
4 13 (41.94%) UNIX
5 11 (35.48%) MS Exchange
5 11 (35.48%) Microsoft
6 10 (32.26%) Windows Server 2008
7 9 (29.03%) PHP
7 9 (29.03%) SQL
7 9 (29.03%) SharePoint
7 9 (29.03%) vSphere
7 9 (29.03%) Lync
7 9 (29.03%) Exchange Server 2013
8 8 (25.81%) Apache
8 8 (25.81%) SNMP
8 8 (25.81%) HP
8 8 (25.81%) Firmware
8 8 (25.81%) Red Hat Enterprise Linux
8 8 (25.81%) Puppet
9 7 (22.58%) C++
9 7 (22.58%) Dell
9 7 (22.58%) Symantec
9 7 (22.58%) Norton AntiVirus
9 7 (22.58%) Sophos
9 7 (22.58%) IPsec
9 7 (22.58%) Backup Exec
9 7 (22.58%) Strategic Planning
9 7 (22.58%) WSUS
9 7 (22.58%) SCCM

CentOS
Top Related IT Skills in the North West by Category

For the 6 months to 24 December 2014, IT jobs across the North West 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 11 (35.48%) MS Exchange
2 9 (29.03%) Lync
2 9 (29.03%) SharePoint
2 9 (29.03%) Exchange Server 2013
3 8 (25.81%) Apache
4 7 (22.58%) Exchange Server 2010
4 7 (22.58%) SharePoint 2013
5 4 (12.90%) Confluence
6 2 (6.45%) WordPress
7 1 (3.23%) nginx
7 1 (3.23%) OpenStack
7 1 (3.23%) Tomcat
7 1 (3.23%) IIS
Applications
1 2 (6.45%) MS Excel
Cloud Services
1 5 (16.13%) Route 53
2 4 (12.90%) Amazon ELB
3 3 (9.68%) Amazon EC2
3 3 (9.68%) Amazon AWS
4 2 (6.45%) Amazon S3
5 1 (3.23%) ElastiCache
5 1 (3.23%) Amazon ElastiCache
Communications & Networking
1 8 (25.81%) SNMP
2 7 (22.58%) IPsec
3 5 (16.13%) VPN
3 5 (16.13%) SAN
4 4 (12.90%) OpenVPN
5 3 (9.68%) DNS
6 2 (6.45%) HTTPS
6 2 (6.45%) Intranet
6 2 (6.45%) PPTP
6 2 (6.45%) Wireless
6 2 (6.45%) Asterisk PBX
6 2 (6.45%) VoIP
6 2 (6.45%) HTTP
7 1 (3.23%) VLAN
7 1 (3.23%) iSCSI
7 1 (3.23%) Firewall
7 1 (3.23%) SSL
7 1 (3.23%) IPv4
Database & Business Intelligence
1 17 (54.84%) MySQL
2 5 (16.13%) Big Data
3 3 (9.68%) Relational Database
3 3 (9.68%) PostgreSQL
4 2 (6.45%) SQL Server
4 2 (6.45%) RDBMS
5 1 (3.23%) MongoDB
5 1 (3.23%) Amazon RDS
Development Applications
1 4 (12.90%) JIRA
2 2 (6.45%) PHPUnit
3 1 (3.23%) Subversion
3 1 (3.23%) WATIR
3 1 (3.23%) Selenium
General
1 6 (19.35%) Back Office
2 1 (3.23%) Telecoms
2 1 (3.23%) Finance
Job Titles
1 7 (22.58%) Team Leader
1 7 (22.58%) Operations Team Leader
2 4 (12.90%) Linux Engineer
2 4 (12.90%) Administrator
2 4 (12.90%) Linux Systems Administrator
2 4 (12.90%) Linux Administrator
2 4 (12.90%) Systems Administrator
3 3 (9.68%) Developer
3 3 (9.68%) Analyst
3 3 (9.68%) Security Engineer
3 3 (9.68%) Infrastructure Engineer
3 3 (9.68%) Infrastructure Security Engineer
4 2 (6.45%) IT Support
4 2 (6.45%) Support Engineer
4 2 (6.45%) DevOps Engineer
4 2 (6.45%) IT Support Engineer
4 2 (6.45%) Performance Engineer
4 2 (6.45%) Performance Analyst
4 2 (6.45%) Software Engineer
4 2 (6.45%) Systems Engineer
Libraries, Frameworks & Software Standards
1 3 (9.68%) HTML
1 3 (9.68%) CSS
1 3 (9.68%) Web Services
1 3 (9.68%) LAMP
2 1 (3.23%) Ruby on Rails
2 1 (3.23%) jQuery
Miscellaneous
1 4 (12.90%) Cryptography
1 4 (12.90%) PKI
2 2 (6.45%) Open Source
2 2 (6.45%) User Experience
3 1 (3.23%) Management Information System
3 1 (3.23%) Mobile App
Operating Systems
1 31 (100.00%) Linux
2 15 (48.39%) Windows
3 13 (41.94%) UNIX
4 10 (32.26%) Windows Server 2008
5 8 (25.81%) Red Hat Enterprise Linux
6 3 (9.68%) Solaris
6 3 (9.68%) Windows Server 2003
6 3 (9.68%) Ubuntu
7 2 (6.45%) Android
7 2 (6.45%) Apple iOS
7 2 (6.45%) Windows Server 2012
8 1 (3.23%) openSUSE
8 1 (3.23%) AIX
8 1 (3.23%) HPUX
Processes & Methodologies
1 7 (22.58%) Strategic Planning
2 6 (19.35%) Analytics
3 3 (9.68%) Time Management
3 3 (9.68%) DevOps
3 3 (9.68%) Project Planning
3 3 (9.68%) Software Engineering
4 2 (6.45%) OOP
4 2 (6.45%) Load Balancing
4 2 (6.45%) Unit Testing
4 2 (6.45%) Project Management
4 2 (6.45%) Capacity Planning
4 2 (6.45%) Kernel Tuning
5 1 (3.23%) Server Monitoring
5 1 (3.23%) Change Control
5 1 (3.23%) Change Management
5 1 (3.23%) MVC
5 1 (3.23%) Migration
5 1 (3.23%) Scrum
5 1 (3.23%) Information Security
5 1 (3.23%) Agile Software Development
Programming Languages
1 9 (29.03%) PHP
1 9 (29.03%) SQL
2 7 (22.58%) C++
3 6 (19.35%) C
4 5 (16.13%) Python
4 5 (16.13%) Bash Shell
5 4 (12.90%) Ruby
5 4 (12.90%) Perl
6 3 (9.68%) Shell Script
7 1 (3.23%) Java
7 1 (3.23%) JavaScript
Qualifications
1 1 (3.23%) Degree
1 1 (3.23%) SC Cleared
1 1 (3.23%) DV Cleared
1 1 (3.23%) Security Cleared
System Software
1 9 (29.03%) vSphere
2 8 (25.81%) Firmware
3 6 (19.35%) Active Directory
4 4 (12.90%) Squid
4 4 (12.90%) VMware Infrastructure
5 2 (6.45%) XenApp
5 2 (6.45%) Citrix Presentation Server
5 2 (6.45%) VMware ESX
5 2 (6.45%) KVM
6 1 (3.23%) VMware ESXi
6 1 (3.23%) NFS
6 1 (3.23%) Terminal Services
Systems Management
1 8 (25.81%) Puppet
2 7 (22.58%) Norton AntiVirus
2 7 (22.58%) Backup Exec
2 7 (22.58%) WSUS
2 7 (22.58%) SCCM
2 7 (22.58%) WhatsUp Gold
2 7 (22.58%) HP SIM
3 4 (12.90%) Opscode Chef
4 3 (9.68%) Nagios
5 2 (6.45%) EMC NetWorker
6 1 (3.23%) Cacti
6 1 (3.23%) Opsview
Vendors
1 17 (54.84%) Red Hat
2 11 (35.48%) Microsoft
3 8 (25.81%) HP
4 7 (22.58%) Dell
4 7 (22.58%) Sophos
4 7 (22.58%) Symantec
5 6 (19.35%) Perforce
5 6 (19.35%) VMware
6 4 (12.90%) Atlassian
7 2 (6.45%) McAfee
7 2 (6.45%) Aerohive Networks
7 2 (6.45%) EMC
7 2 (6.45%) Citrix
7 2 (6.45%) Apple
7 2 (6.45%) Cisco
8 1 (3.23%) Oracle
8 1 (3.23%) Veeam
8 1 (3.23%) Percona
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