Period
to 18 February 2020

The following table provides summary statistics for permanent job vacancies advertised in Welwyn Garden City with a requirement for CentOS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited CentOS over the 6 months to 18 February 2020 with a comparison to the same period in the previous 2 years.

CentOS Linux
Hertfordshire > Welwyn Garden City
6 months to
18 Feb 2020
Same period 2019 Same period 2018
Rank 12 42 -
Rank change year-on-year +30 - +26
Permanent jobs citing CentOS 1 6 0
As % of all permanent IT jobs advertised in Welwyn Garden City 2.38% 2.33% -
As % of the Operating Systems category 8.33% 9.68% -
Number of salaries quoted 1 5 0
Welwyn Garden City median annual salary £47,500 £72,000 -
Median salary % change year-on-year -34.03% - -
Hertfordshire median annual salary £42,500 £65,000 £65,000
% change year-on-year -34.62% - +44.44%

CentOS is in the Operating Systems category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Welwyn Garden City with a requirement for operating system skills.

All Operating Systems
Welwyn Garden City
Permanent vacancies with a requirement for operating system skills 12 62 123
As % of all permanent IT jobs advertised in Welwyn Garden City 28.57% 24.12% 37.27%
Number of salaries quoted 10 21 54
Welwyn Garden City median annual salary £32,000 £52,500 £40,000
Median salary % change year-on-year -39.05% +31.25% -15.79%
10th Percentile £27,250 £28,750 £26,000
90th Percentile £50,125 £72,500 £70,000
Hertfordshire median annual salary £42,500 £42,500 £45,000
% change year-on-year - -5.56% -

CentOS
Job Vacancy Trend in Welwyn Garden City

Job postings citing CentOS as a percentage of all IT jobs advertised in Welwyn Garden City.

Job vacancy trend for CentOS in Welwyn Garden City

CentOS
Salary Trend in Welwyn Garden City

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing CentOS in Welwyn Garden City.

Salary trend for CentOS in Welwyn Garden City

For the 6 months to 18 February 2020, IT jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the Welwyn Garden City region with a requirement for CentOS.

1 1 (100.00%) PHP
1 1 (100.00%) Windows
1 1 (100.00%) Linux
1 1 (100.00%) Apache
1 1 (100.00%) Red Hat
1 1 (100.00%) LAMP
1 1 (100.00%) Debian
1 1 (100.00%) VMware
1 1 (100.00%) nginx
1 1 (100.00%) Social Media
1 1 (100.00%) Infrastructure Engineering

CentOS
Co-occurring IT Skills in Welwyn Garden City 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 1 (100.00%) Apache
1 1 (100.00%) nginx
Job Titles
1 1 (100.00%) Infrastructure Engineer
1 1 (100.00%) Linux Engineer
1 1 (100.00%) Linux Infrastructure Engineer
1 1 (100.00%) VMware Engineer
1 1 (100.00%) VMware Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 1 (100.00%) LAMP
Miscellaneous
1 1 (100.00%) Social Media
Operating Systems
1 1 (100.00%) Debian
1 1 (100.00%) Linux
1 1 (100.00%) Windows
Processes & Methodologies
1 1 (100.00%) Infrastructure Engineering
Programming Languages
1 1 (100.00%) PHP
Vendors
1 1 (100.00%) Red Hat
1 1 (100.00%) VMware