Period
to 5 June 2020

The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire 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 5 June 2020 with a comparison to the same period in the previous 2 years.

CentOS Linux
East of England > Hertfordshire
6 months to
5 Jun 2020
Same period 2019 Same period 2018
Rank 111 120 205
Rank change year-on-year +9 +85 -25
Permanent jobs citing CentOS 7 46 18
As % of all permanent jobs advertised in Hertfordshire 0.51% 1.54% 0.39%
As % of the Operating Systems category 1.78% 5.86% 1.55%
Number of salaries quoted 7 13 19
Median annual salary £50,000 £47,500 £37,500
Median salary % change year-on-year +5.26% +26.67% -16.67%
10th Percentile £45,000 £36,500 £23,750
90th Percentile £55,000 £71,800 £72,500
East of England median annual salary £55,000 £42,500 £45,000
% change year-on-year +29.41% -5.56% -

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 Hertfordshire with a requirement for operating system skills.

All Operating Systems
Hertfordshire
Permanent vacancies with a requirement for operating system skills 394 785 1,162
As % of all permanent IT jobs advertised in Hertfordshire 28.65% 26.33% 25.19%
Number of salaries quoted 348 604 982
Median annual salary £42,500 £42,500 £45,000
Median salary % change year-on-year - -5.56% +5.88%
10th Percentile £25,500 £23,326 £23,000
90th Percentile £68,750 £67,500 £70,000
East of England median annual salary £42,500 £45,000 £45,000
% change year-on-year -5.56% - +5.88%

CentOS
Job Vacancy Trend in Hertfordshire

Job postings citing CentOS as a proportion of all IT jobs advertised in Hertfordshire.

Job vacancy trend for CentOS in Hertfordshire

CentOS
Salary Trend in Hertfordshire

3-month moving average salary quoted in jobs citing CentOS in Hertfordshire.

Salary trend for CentOS in Hertfordshire

CentOS
Salary Histogram in Hertfordshire

Salary distribution for jobs citing CentOS in Hertfordshire over the 6 months to 5 June 2020.

Salary histogram for CentOS 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 6 months to 5 June 2020. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Welwyn Garden City +11 4 £51,250 -28.62% 1
St Albans - 1 £55,000 - 1
CentOS
East of England

For the 6 months to 5 June 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 Hertfordshire region with a requirement for CentOS.

1 7 (100.00%) Linux
1 7 (100.00%) Red Hat Enterprise Linux
1 7 (100.00%) Bash Shell
1 7 (100.00%) Ansible
2 6 (85.71%) Docker
2 6 (85.71%) Jenkins
2 6 (85.71%) Git (software)
2 6 (85.71%) Atlassian Bamboo
2 6 (85.71%) Debian
2 6 (85.71%) DevOps
2 6 (85.71%) Kubernetes
3 5 (71.43%) GitLab
3 5 (71.43%) Jinja
3 5 (71.43%) Travis CI
3 5 (71.43%) Azure
3 5 (71.43%) TeamCity
3 5 (71.43%) Hyper-V
3 5 (71.43%) Puppet
3 5 (71.43%) VirtualBox
4 4 (57.14%) Elasticsearch
4 4 (57.14%) Opscode Chef
4 4 (57.14%) logstash
4 4 (57.14%) SQL
4 4 (57.14%) MySQL
4 4 (57.14%) SQL Server
4 4 (57.14%) MariaDB
4 4 (57.14%) Kibana
4 4 (57.14%) Elastic Stack
5 2 (28.57%) Self-Motivation
5 2 (28.57%) Problem-Solving

CentOS
Co-occurring 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 (57.14%) Elasticsearch
Cloud Services
1 5 (71.43%) Azure
2 1 (14.29%) Cloud Computing
Communications & Networking
1 1 (14.29%) Skype
Database & Business Intelligence
1 4 (57.14%) MariaDB
1 4 (57.14%) MySQL
1 4 (57.14%) SQL Server
2 2 (28.57%) Big Data
Development Applications
1 6 (85.71%) Atlassian Bamboo
1 6 (85.71%) Git (software)
1 6 (85.71%) Jenkins
2 5 (71.43%) GitLab
2 5 (71.43%) TeamCity
2 5 (71.43%) Travis CI
Job Titles
1 5 (71.43%) DevOps Engineer
2 1 (14.29%) Consultant
2 1 (14.29%) DevOps Consultant
2 1 (14.29%) Junior
2 1 (14.29%) Junior Linux Engineer
2 1 (14.29%) Junior Systems Engineer
2 1 (14.29%) Linux Engineer
2 1 (14.29%) Linux Systems Engineer
2 1 (14.29%) Platform Engineer
2 1 (14.29%) Systems Engineer
Libraries, Frameworks & Software Standards
1 5 (71.43%) Jinja
2 4 (57.14%) Elastic Stack
Miscellaneous
1 2 (28.57%) Self-Motivation
Operating Systems
1 7 (100.00%) Linux
1 7 (100.00%) Red Hat Enterprise Linux
2 6 (85.71%) Debian
3 1 (14.29%) Ubuntu
Processes & Methodologies
1 6 (85.71%) DevOps
2 2 (28.57%) Problem-Solving
2 2 (28.57%) Stakeholder Management
3 1 (14.29%) Infrastructure Engineering
3 1 (14.29%) Open Source
3 1 (14.29%) Resource Allocation
3 1 (14.29%) Systems Engineering
3 1 (14.29%) Task Automation
Programming Languages
1 7 (100.00%) Bash Shell
2 4 (57.14%) SQL
3 1 (14.29%) Python
Quality Assurance & Compliance
1 2 (28.57%) QA
System Software
1 6 (85.71%) Docker
2 5 (71.43%) Hyper-V
2 5 (71.43%) VirtualBox
3 1 (14.29%) VMware Infrastructure
Systems Management
1 7 (100.00%) Ansible
2 6 (85.71%) Kubernetes
3 5 (71.43%) Puppet
4 4 (57.14%) Kibana
4 4 (57.14%) logstash
4 4 (57.14%) Opscode Chef
Vendors
1 1 (14.29%) Red Hat
1 1 (14.29%) VMware