Period
to 29 September 2020

The following table provides summary statistics for permanent job vacancies advertised in the East of England 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 29 September 2020 with a comparison to the same period in the previous 2 years.

CentOS Linux
England > East of England
6 months to
29 Sep 2020
Same period 2019 Same period 2018
Rank 107 174 275
Rank change year-on-year +67 +101 +24
Permanent jobs citing CentOS 22 102 68
As % of all permanent jobs advertised in the East of England 1.15% 1.47% 0.62%
As % of the Operating Systems category 3.88% 5.24% 2.47%
Number of salaries quoted 29 65 43
Median annual salary £55,000 £45,000 £43,500
Median salary % change year-on-year +22.22% +3.45% -13.00%
10th Percentile £45,000 £34,000 £26,400
90th Percentile £69,000 £62,500 £75,000
England median annual salary £52,500 £50,000 £55,000
% change year-on-year +5.00% -9.09% +10.00%

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 the East of England with a requirement for operating system skills.

All Operating Systems
East of England
Permanent vacancies with a requirement for operating system skills 567 1,946 2,751
As % of all permanent IT jobs advertised in the East of England 29.58% 27.98% 25.24%
Number of salaries quoted 484 1,384 1,975
Median annual salary £45,000 £42,775 £45,000
Median salary % change year-on-year +5.20% -4.94% +5.88%
10th Percentile £26,250 £25,000 £24,250
90th Percentile £90,000 £67,500 £70,000
England median annual salary £50,000 £47,500 £47,500
% change year-on-year +5.26% - +5.56%

CentOS
Job Vacancy Trend in the East of England

Job postings citing CentOS as a proportion of all IT jobs advertised in the East of England.

Job vacancy trend for CentOS in the East of England

CentOS
Salary Trend in the East of England

3-month moving average salary quoted in jobs citing CentOS in the East of England.

Salary trend for CentOS in the East of England

CentOS
Salary Histogram in the East of England

Salary distribution for jobs citing CentOS in the East of England over the 6 months to 29 September 2020.

Salary histogram for CentOS in the East of England

CentOS
Job Locations in the East of England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the East of England region over the 6 months to 29 September 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
Hertfordshire +63 11 £50,000 +11.11% 2
Cambridgeshire +60 7 £55,000 -
Norfolk +27 2 £55,000 +57.14% 3
Bedfordshire +26 1 £35,000 -17.65%
Essex - 1 £65,000 -
CentOS
England

For the 6 months to 29 September 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 East of England region with a requirement for CentOS.

1 22 (100.00%) Linux
2 17 (77.27%) Jenkins
2 17 (77.27%) Docker
3 16 (72.73%) Git (software)
4 14 (63.64%) SQL Server
5 13 (59.09%) Red Hat Enterprise Linux
5 13 (59.09%) MariaDB
5 13 (59.09%) Ansible
6 12 (54.55%) DevOps
6 12 (54.55%) Kubernetes
6 12 (54.55%) Bash Shell
7 11 (50.00%) Azure
7 11 (50.00%) Hyper-V
7 11 (50.00%) Atlassian Bamboo
7 11 (50.00%) Debian
8 10 (45.45%) SQL
8 10 (45.45%) GitLab
8 10 (45.45%) Problem-Solving
9 9 (40.91%) Travis CI
9 9 (40.91%) Elasticsearch
9 9 (40.91%) VirtualBox
9 9 (40.91%) Jinja
9 9 (40.91%) Kibana
9 9 (40.91%) TeamCity
10 8 (36.36%) Puppet
10 8 (36.36%) logstash
10 8 (36.36%) Open Source
10 8 (36.36%) Opscode Chef
10 8 (36.36%) MySQL
10 8 (36.36%) Elastic Stack

CentOS
Co-occurring IT Skills in the East of England 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 9 (40.91%) Elasticsearch
2 6 (27.27%) Apache
3 5 (22.73%) WordPress
4 3 (13.64%) MS Exchange
5 1 (4.55%) Apache Pulsar
5 1 (4.55%) Exchange Server 2010
5 1 (4.55%) nginx
Applications
1 2 (9.09%) Microsoft Office
Cloud Services
1 11 (50.00%) Azure
2 2 (9.09%) Office 365
3 1 (4.55%) Amazon EKS
3 1 (4.55%) Datadog
3 1 (4.55%) Kong
3 1 (4.55%) OpenShift
Communications & Networking
1 5 (22.73%) IPv4
1 5 (22.73%) IPv6
2 2 (9.09%) Skype
2 2 (9.09%) TCP/IP
3 1 (4.55%) DHCP
3 1 (4.55%) DNS
3 1 (4.55%) FIX Connectivity
3 1 (4.55%) NAS
3 1 (4.55%) SAN
3 1 (4.55%) VLAN
3 1 (4.55%) VoIP
3 1 (4.55%) VPN
Database & Business Intelligence
1 14 (63.64%) SQL Server
2 13 (59.09%) MariaDB
3 8 (36.36%) MySQL
4 6 (27.27%) PostgreSQL
5 4 (18.18%) Big Data
6 1 (4.55%) MongoDB
6 1 (4.55%) NoSQL
6 1 (4.55%) Redis
Development Applications
1 17 (77.27%) Jenkins
2 16 (72.73%) Git (software)
3 11 (50.00%) Atlassian Bamboo
4 10 (45.45%) GitLab
5 9 (40.91%) TeamCity
5 9 (40.91%) Travis CI
6 1 (4.55%) Flyway
6 1 (4.55%) Maven
General
1 1 (4.55%) Banking
1 1 (4.55%) Finance
Job Titles
1 10 (45.45%) DevOps Engineer
2 6 (27.27%) Systems Administrator
3 5 (22.73%) Linux Engineer
3 5 (22.73%) Linux Systems Administrator
4 2 (9.09%) Administrator
4 2 (9.09%) Consultant
4 2 (9.09%) DevOps Consultant
4 2 (9.09%) Infrastructure Engineer
5 1 (4.55%) 3rd Line Support
5 1 (4.55%) 3rd Line Support Analyst
5 1 (4.55%) AIX Systems Administrator
5 1 (4.55%) Analyst
5 1 (4.55%) IT Analyst
5 1 (4.55%) IT Support
5 1 (4.55%) IT Support Analyst
5 1 (4.55%) Senior Analyst
5 1 (4.55%) Senior Support Analyst
5 1 (4.55%) Support Analyst
5 1 (4.55%) Unix Administrator
5 1 (4.55%) Unix Systems Administrator
Libraries, Frameworks & Software Standards
1 9 (40.91%) Jinja
2 8 (36.36%) Elastic Stack
3 5 (22.73%) LAMP
3 5 (22.73%) LAPP Stack
4 2 (9.09%) RabbitMQ
5 1 (4.55%) FIX Protocol
5 1 (4.55%) HTML
5 1 (4.55%) HTML5
5 1 (4.55%) LDAP
5 1 (4.55%) Middleware
5 1 (4.55%) Spring
Miscellaneous
1 5 (22.73%) Data Centre
1 5 (22.73%) Self-Motivation
2 2 (9.09%) Replication
3 1 (4.55%) Eurex
3 1 (4.55%) LPAR
Operating Systems
1 22 (100.00%) Linux
2 13 (59.09%) Red Hat Enterprise Linux
3 11 (50.00%) Debian
4 5 (22.73%) Fedora
5 4 (18.18%) Ubuntu
6 3 (13.64%) Windows
6 3 (13.64%) Windows Server
7 1 (4.55%) AIX
7 1 (4.55%) SUSE
7 1 (4.55%) Unix
7 1 (4.55%) Windows Server 2012
7 1 (4.55%) Windows Server 2016
Processes & Methodologies
1 12 (54.55%) DevOps
2 10 (45.45%) Problem-Solving
3 8 (36.36%) Open Source
4 5 (22.73%) Agile Software Development
4 5 (22.73%) Logistics
4 5 (22.73%) Stakeholder Management
5 2 (9.09%) Capacity Management
5 2 (9.09%) Disaster Recovery
5 2 (9.09%) Infrastructure Engineering
5 2 (9.09%) IT Strategy
5 2 (9.09%) ITIL
5 2 (9.09%) Virtual Environments
6 1 (4.55%) Client Onboarding
6 1 (4.55%) Continuous Delivery
6 1 (4.55%) Data Science
6 1 (4.55%) Machine Learning
6 1 (4.55%) Microservices
6 1 (4.55%) Storage Management
6 1 (4.55%) Strategic Roadmap
6 1 (4.55%) Supplier Relationship Management
Programming Languages
1 12 (54.55%) Bash Shell
2 10 (45.45%) SQL
3 7 (31.82%) Python
4 6 (27.27%) Shell Script
5 2 (9.09%) C
5 2 (9.09%) Java
6 1 (4.55%) JavaScript
6 1 (4.55%) PowerShell
Qualifications
1 1 (4.55%) LPIC
Quality Assurance & Compliance
1 5 (22.73%) QA
2 1 (4.55%) SLA
System Software
1 17 (77.27%) Docker
2 11 (50.00%) Hyper-V
3 9 (40.91%) VirtualBox
4 4 (18.18%) VMware Infrastructure
5 3 (13.64%) Active Directory
6 1 (4.55%) PowerHA
Systems Management
1 13 (59.09%) Ansible
2 12 (54.55%) Kubernetes
3 9 (40.91%) Kibana
4 8 (36.36%) logstash
4 8 (36.36%) Opscode Chef
4 8 (36.36%) Puppet
5 5 (22.73%) HAProxy
5 5 (22.73%) Icinga
6 2 (9.09%) HP Data Protector
7 1 (4.55%) Bareos
7 1 (4.55%) EMC NetWorker
7 1 (4.55%) Graylog
7 1 (4.55%) Linux-HA
7 1 (4.55%) Opsgenie
7 1 (4.55%) Prometheus
7 1 (4.55%) StatsD
7 1 (4.55%) Terraform
7 1 (4.55%) Tivoli
7 1 (4.55%) Tivoli Storage Manager
7 1 (4.55%) WSUS
Vendors
1 6 (27.27%) Red Hat
2 4 (18.18%) VMware
3 3 (13.64%) Oracle
4 2 (9.09%) HP
4 2 (9.09%) Veeam
5 1 (4.55%) Apple
5 1 (4.55%) Bloomberg
5 1 (4.55%) CA
5 1 (4.55%) Cisco
5 1 (4.55%) CQG
5 1 (4.55%) Dot Hill
5 1 (4.55%) EMC
5 1 (4.55%) Fidessa
5 1 (4.55%) ION Trading
5 1 (4.55%) Microsoft
5 1 (4.55%) NETGEAR
5 1 (4.55%) Patsystems
5 1 (4.55%) Reuters
5 1 (4.55%) Trayport