The table below looks at the statistics for CentOS skills in IT jobs advertised for the Hertfordshire region. Included is a guide to the average salaries offered in IT jobs that have cited CentOS over the 3 months to 22 May 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
22 May 2015
Same period 2014 Same period 2013
CentOS Linux
Rank 138 133 136
Rank change year-on-year
-5 +3
Permanent jobs citing CentOS 13 15 12
As % of all permanent IT jobs located in Hertfordshire 0.58% 0.59% 0.49%
As % of the Operating Systems category 1.74% 2.05% 1.62%
Number of salaries quoted 13 15 11
Average salary £55,000 £53,000 £45,000
Average salary % change year-on-year
+3.77% +17.77%
UK excluding London average salary £42,500 £37,500 £38,500
% change year-on-year
+13.33% -2.59%
CentOS
East of 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 Hertfordshire region.

Operating Systems Category
Hertfordshire
Permanent IT job ads with a match in the
Operating Systems category
745 731 743
As % of all permanent IT jobs located in Hertfordshire 33.18% 28.96% 30.25%
Number of salaries quoted 555 606 586
Average salary £37,500 £36,000 £40,000
Average salary % change year-on-year
+4.16% -10.00%
90% offered a salary of more than £25,000 £25,000 £25,500
10% offered a salary of more than £55,000 £55,000 £54,000
UK excluding London average salary £37,500 £36,500 £37,500
% change year-on-year
+2.73% -2.66%

CentOS
Jobs Demand Trend in Hertfordshire

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

CentOS Jobs Demand Trend in Hertfordshire

CentOS
Salary Trend in Hertfordshire

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

CentOS Salary Trend in Hertfordshire

CentOS
Salary Histogram in Hertfordshire

This chart provides a salary histogram for IT jobs citing CentOS across the Hertfordshire region over the 3 months to 22 May 2015.

CentOS Salary Histogram in Hertfordshire

CentOS
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing CentOS within the Hertfordshire region over the 3 months to 22 May 2015. 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
St Albans - 8 £55,000 - 1
Watford +10 1 £40,000 -27.27%
CentOS
East of England

CentOS
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 22 May 2015, IT jobs across the Hertfordshire 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 23 (100.00%) Linux
2 22 (95.65%) Red Hat
3 20 (86.96%) Apache
3 20 (86.96%) DNS
4 19 (82.61%) MySQL
5 17 (73.91%) SQL
5 17 (73.91%) Tomcat
5 17 (73.91%) PostgreSQL
5 17 (73.91%) Finance
6 16 (69.57%) CMS
6 16 (69.57%) Telecoms
6 16 (69.57%) Games
6 16 (69.57%) Service Delivery
6 16 (69.57%) E-Commerce
6 16 (69.57%) DHCP
6 16 (69.57%) HTTP
6 16 (69.57%) Oracle HTTP Server
6 16 (69.57%) Java
6 16 (69.57%) Oracle
6 16 (69.57%) Online Games
6 16 (69.57%) Online Betting
7 5 (21.74%) LAMP
8 4 (17.39%) Firewall
8 4 (17.39%) TCP/IP
8 4 (17.39%) cPanel
8 4 (17.39%) Varnish
8 4 (17.39%) nginx
9 3 (13.04%) Moodle
9 3 (13.04%) Performance Tuning
9 3 (13.04%) Xen

CentOS
Top Related IT Skills in Hertfordshire by Category

For the 6 months to 22 May 2015, IT jobs across the Hertfordshire 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 20 (86.96%) Apache
2 17 (73.91%) Tomcat
3 16 (69.57%) CMS
3 16 (69.57%) Oracle HTTP Server
4 4 (17.39%) nginx
5 3 (13.04%) Moodle
5 3 (13.04%) Joomla!
5 3 (13.04%) WordPress
Applications
1 1 (4.35%) Mingle
Business Applications
1 3 (13.04%) Magento
Communications & Networking
1 20 (86.96%) DNS
2 16 (69.57%) DHCP
2 16 (69.57%) HTTP
3 4 (17.39%) Firewall
3 4 (17.39%) TCP/IP
4 3 (13.04%) IMAP
4 3 (13.04%) SSL
4 3 (13.04%) FTP
4 3 (13.04%) POP3
4 3 (13.04%) SMTP
4 3 (13.04%) SAN
4 3 (13.04%) SSH
5 1 (4.35%) Wi-Fi
5 1 (4.35%) VoIP
Database & Business Intelligence
1 19 (82.61%) MySQL
2 17 (73.91%) PostgreSQL
3 1 (4.35%) SQL Server
3 1 (4.35%) RavenDB
3 1 (4.35%) Neo4j
Development Applications
1 1 (4.35%) NUnit
1 1 (4.35%) Visual Studio
1 1 (4.35%) MSTest
1 1 (4.35%) Git (software)
1 1 (4.35%) TeamCity
1 1 (4.35%) Octopus Deploy
General
1 17 (73.91%) Finance
2 16 (69.57%) Telecoms
2 16 (69.57%) Games
2 16 (69.57%) Online Betting
Job Titles
1 22 (95.65%) Systems Administrator
1 22 (95.65%) Administrator
2 21 (91.30%) Linux Systems Administrator
2 21 (91.30%) Linux Administrator
3 16 (69.57%) Senior Linux Administrator
3 16 (69.57%) Senior Linux Systems Administrator
3 16 (69.57%) Senior Systems Administrator
4 1 (4.35%) Developer
4 1 (4.35%) Senior Developer
4 1 (4.35%) Programmer
4 1 (4.35%) .NET Developer
4 1 (4.35%) Senior .NET Developer
4 1 (4.35%) Web Administrator
4 1 (4.35%) Senior Programmer
4 1 (4.35%) .NET Programmer
4 1 (4.35%) Senior .NET Programmer
Libraries, Frameworks & Software Standards
1 5 (21.74%) LAMP
2 3 (13.04%) Alternative PHP Cache
3 1 (4.35%) HTML
3 1 (4.35%) .NET
3 1 (4.35%) ASP.NET
3 1 (4.35%) CSS
3 1 (4.35%) Web Services
3 1 (4.35%) Silverlight
3 1 (4.35%) ASP.NET MVC
3 1 (4.35%) RESTful
3 1 (4.35%) RabbitMQ
3 1 (4.35%) KnockoutJS
Miscellaneous
1 16 (69.57%) Online Games
2 3 (13.04%) Replication
2 3 (13.04%) Clustering
3 1 (4.35%) CMDB
Operating Systems
1 23 (100.00%) Linux
2 2 (8.70%) Windows
Processes & Methodologies
1 16 (69.57%) Service Delivery
1 16 (69.57%) E-Commerce
2 3 (13.04%) Performance Tuning
2 3 (13.04%) Load Balancing
2 3 (13.04%) Time Management
3 1 (4.35%) Configuration Management
3 1 (4.35%) MVC
3 1 (4.35%) Agile Software Development
3 1 (4.35%) TDD
3 1 (4.35%) Software Engineering
3 1 (4.35%) OOP
3 1 (4.35%) Unit Testing
3 1 (4.35%) BDD
3 1 (4.35%) CQRS
Programming Languages
1 17 (73.91%) SQL
2 16 (69.57%) Java
3 3 (13.04%) Bash Shell
3 3 (13.04%) Perl
3 3 (13.04%) PHP
4 1 (4.35%) C#
4 1 (4.35%) PowerShell
Qualifications
1 1 (4.35%) MCTS
1 1 (4.35%) MCSE
1 1 (4.35%) MCSD
1 1 (4.35%) Microsoft Certification
1 1 (4.35%) RHCE
1 1 (4.35%) RHCSA
Quality Assurance & Compliance
1 3 (13.04%) SLA
2 1 (4.35%) ISO/IEC 27001
System Software
1 4 (17.39%) Varnish
2 3 (13.04%) Xen
2 3 (13.04%) Sendmail
2 3 (13.04%) iptables
3 1 (4.35%) KVM
Systems Management
1 4 (17.39%) cPanel
2 3 (13.04%) Cacti
2 3 (13.04%) Nagios
3 1 (4.35%) Business Desktop Deployment
Vendors
1 22 (95.65%) Red Hat
2 16 (69.57%) Oracle
3 1 (4.35%) Apple
3 1 (4.35%) Microsoft
St. Albans, Hertfordshire
Opus Resourcing Ltd
Salary: £50000 - £60000 per annum + + On Call + Bens + Bonus
Posted: 5 days ago
Hertfordshire
Explore Recruitment Solutions
Salary: £45000 - £55000 per annum
Posted: 6 days ago