The table below looks at the statistics for CentOS skills in IT jobs advertised for the Hertfordshire region. Included is a guide to the salaries offered in IT jobs that have cited CentOS over the 3 months to 18 January 2017 with a comparison to the same period over the previous 2 years.

3 months to
18 Jan 2017
Same period 2016 Same period 2015
CentOS Linux
East of England / Hertfordshire
Rank 128 138 140
Rank change year-on-year
+10 +2
Permanent jobs citing CentOS 6 6 2
As % of all permanent IT jobs located in Hertfordshire 0.30% 0.29% 0.098%
As % of the Operating Systems category 1.28% 1.17% 0.36%
Number of salaries quoted 6 6 2
Median salary £45,000 £44,000 £54,500
Median salary % change year-on-year
+2.27% -19.26%
UK excluding London median salary £45,500 £45,000 £41,250
% change year-on-year
+1.11% +9.09%

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
469 515 561
As % of all permanent IT jobs located in Hertfordshire 23.22% 24.87% 27.39%
Number of salaries quoted 362 413 430
Median salary £41,000 £37,500 £40,000
Median salary % change year-on-year
+9.33% -6.25%
90% offered a salary of more than £24,800 £23,000 £21,750
10% offered a salary of more than £65,000 £55,000 £55,000
UK excluding London median salary £37,500 £37,500 £37,500

CentOS
Jobs Demand Trend in Hertfordshire

The demand trend of job ads across the Hertfordshire region citing CentOS as a proportion of all IT jobs with a match in 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 18 January 2017.

CentOS Salary Histogram in Hertfordshire

CentOS
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the Hertfordshire region over the 3 months to 18 January 2017. 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 Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Welwyn Garden City - 4 £45,000 - 1
CentOS
East of England

CentOS
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 18 January 2017, IT jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Hertfordshire region with a requirement for CentOS.

1 8 (100.00%) Windows
1 8 (100.00%) Linux
2 6 (75.00%) SQL
2 6 (75.00%) SQL Server
2 6 (75.00%) Active Directory
2 6 (75.00%) Red Hat
2 6 (75.00%) Red Hat Enterprise Linux
3 4 (50.00%) SAN
3 4 (50.00%) Windows Server
3 4 (50.00%) Marketing
3 4 (50.00%) LAMP
3 4 (50.00%) Open Source
3 4 (50.00%) IIS
4 2 (25.00%) Unix
4 2 (25.00%) Citrix
4 2 (25.00%) Crystal Reports
4 2 (25.00%) Oracle
4 2 (25.00%) Oracle Reports
4 2 (25.00%) Apache
4 2 (25.00%) RDBMS
4 2 (25.00%) Cisco
4 2 (25.00%) Microsoft
4 2 (25.00%) Change Control
4 2 (25.00%) NetScaler
4 2 (25.00%) Windows Server 2012
4 2 (25.00%) Oracle Database
4 2 (25.00%) Relational Database
4 2 (25.00%) Software Delivery
4 2 (25.00%) Data Centre
4 2 (25.00%) Presales

CentOS
Top Related IT Skills in Hertfordshire by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 4 (50.00%) IIS
2 2 (25.00%) Apache
Communications & Networking
1 4 (50.00%) SAN
2 2 (25.00%) Firewall
2 2 (25.00%) NetScaler
Database & Business Intelligence
1 6 (75.00%) SQL Server
2 2 (25.00%) Crystal Reports
2 2 (25.00%) Oracle Database
2 2 (25.00%) Oracle Reports
2 2 (25.00%) RDBMS
2 2 (25.00%) Relational Database
General
1 4 (50.00%) Marketing
Job Titles
1 6 (75.00%) Administrator
1 6 (75.00%) Systems Administrator
2 4 (50.00%) Linux Administrator
2 4 (50.00%) Linux Systems Administrator
3 2 (25.00%) 2nd Line Engineer
3 2 (25.00%) 2nd Line Support
3 2 (25.00%) 2nd Line Support Engineer
3 2 (25.00%) 2nd Line Technical Support
3 2 (25.00%) 2nd Line Technical Support Engineer
3 2 (25.00%) Support Engineer
3 2 (25.00%) Technical Engineer
3 2 (25.00%) Technical Support
3 2 (25.00%) Technical Support Engineer
Libraries, Frameworks & Software Standards
1 4 (50.00%) LAMP
Miscellaneous
1 2 (25.00%) Data Centre
Operating Systems
1 8 (100.00%) Linux
1 8 (100.00%) Windows
2 6 (75.00%) Red Hat Enterprise Linux
3 4 (50.00%) Windows Server
4 2 (25.00%) Unix
4 2 (25.00%) Windows Server 2008
4 2 (25.00%) Windows Server 2012
Processes & Methodologies
1 4 (50.00%) Open Source
2 2 (25.00%) Change Control
2 2 (25.00%) Change Management
2 2 (25.00%) Presales
2 2 (25.00%) Software Delivery
2 2 (25.00%) System Testing
2 2 (25.00%) Vulnerability Assessment
Programming Languages
1 6 (75.00%) SQL
System Software
1 6 (75.00%) Active Directory
2 2 (25.00%) VMware Infrastructure
2 2 (25.00%) XenApp
Vendors
1 6 (75.00%) Red Hat
2 2 (25.00%) Cisco
2 2 (25.00%) Citrix
2 2 (25.00%) Microsoft
2 2 (25.00%) Oracle
2 2 (25.00%) VMware
Hertfordshire
Ashdown IT
Salary: £45000 - £55000 per annum + additional benefits
Posted: Yesterday
Kings Langley, Hertfordshire
Technical Futures
Salary: Excellent Package
Posted: Yesterday
Welwyn Garden City, Hertfordshire
Understanding Recruitment
Salary: £40000 - £50000 per annum + Execllent benefits
Posted: 3 days ago
Kings Langley, Hertfordshire
ENTERPRISE RECRUITMENT LTD
Salary: Competitive Salary plus excellent benefits
Posted: 6 days ago