Period
to 17 June 2019

The following table provides summary statistics for permanent job vacancies advertised in Reading 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 17 June 2019 with a comparison to the same period in the previous 2 years.

CentOS Linux
Berkshire > Reading
6 months to
17 Jun 2019
Same period 2018 Same period 2017
Rank 133 125 92
Rank change year-on-year -8 -33 +65
Permanent jobs citing CentOS 25 20 80
As % of all permanent IT jobs advertised in Reading 1.05% 0.82% 3.13%
As % of the Operating Systems category 3.82% 3.17% 9.26%
Number of salaries quoted 21 19 60
Reading median annual salary £65,000 £57,500 £46,250
Median salary % change year-on-year +13.04% +24.32% -7.50%
10th Percentile £43,750 £41,250 £31,250
90th Percentile £80,625 £92,500 £60,500
Berkshire median annual salary £55,000 £52,500 £50,000
% change year-on-year +4.76% +5.00% -9.09%

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 Reading with a requirement for operating system skills.

All Operating Systems
Reading
Permanent vacancies with a requirement for operating system skills 655 631 864
As % of all permanent IT jobs advertised in Reading 27.64% 25.92% 33.76%
Number of salaries quoted 591 551 649
Reading median annual salary £47,500 £45,000 £45,000
Median salary % change year-on-year +5.56% - -10.00%
10th Percentile £26,250 £25,000 £24,000
90th Percentile £78,750 £72,500 £66,250
Berkshire median annual salary £50,000 £47,500 £46,000
% change year-on-year +5.26% +3.26% +2.22%

CentOS
Job Vacancy Trend in Reading

Job postings citing CentOS as a percentage of all IT jobs advertised in Reading.

Job vacancy trend for CentOS in Reading

CentOS
Salary Trend in Reading

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

Salary trend for CentOS in Reading

CentOS
Salary Histogram in Reading

The salary distribution of IT jobs citing CentOS in Reading over the 6 months to 17 June 2019.

Salary histogram for CentOS in Reading

For the 6 months to 17 June 2019, 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 Reading region with a requirement for CentOS.

1 24 (96.00%) Linux
2 16 (64.00%) Ansible
3 15 (60.00%) DevOps
4 14 (56.00%) Red Hat
5 12 (48.00%) Python
5 12 (48.00%) Atlassian Bamboo
6 11 (44.00%) Red Hat Enterprise Linux
6 11 (44.00%) Google
7 10 (40.00%) Jenkins
7 10 (40.00%) Docker
7 10 (40.00%) Kubernetes
7 10 (40.00%) Ubuntu
7 10 (40.00%) Amazon AWS
7 10 (40.00%) Bash Shell
7 10 (40.00%) Java
7 10 (40.00%) Configuration Management
8 9 (36.00%) Security Cleared
8 9 (36.00%) Google Cloud Platform
9 8 (32.00%) Git (software)
9 8 (32.00%) Network Security
9 8 (32.00%) Big Data
9 8 (32.00%) TCP/IP
10 7 (28.00%) C++
10 7 (28.00%) Unix
10 7 (28.00%) Debian
10 7 (28.00%) SSH
11 6 (24.00%) Linux Command Line
11 6 (24.00%) SELinux
11 6 (24.00%) Elasticsearch
11 6 (24.00%) Software Engineering

CentOS
Co-occurring IT Skills in Reading 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 6 (24.00%) Elasticsearch
2 3 (12.00%) IIS
3 2 (8.00%) nginx
Business Applications
1 1 (4.00%) Cisco SocialMiner
Cloud Services
1 10 (40.00%) Amazon AWS
2 9 (36.00%) Google Cloud Platform
3 6 (24.00%) SaaS
4 3 (12.00%) Office 365
5 2 (8.00%) Amazon CloudWatch
5 2 (8.00%) Amazon EC2
5 2 (8.00%) Amazon S3
5 2 (8.00%) Amazon SQS
5 2 (8.00%) AWS CloudFormation
5 2 (8.00%) AWS Lambda
5 2 (8.00%) CloudFront
5 2 (8.00%) Route 53
5 2 (8.00%) Serverless
5 2 (8.00%) Virtual Private Cloud
Communications & Networking
1 8 (32.00%) Network Security
1 8 (32.00%) TCP/IP
2 7 (28.00%) SSH
3 6 (24.00%) Firewall
4 5 (20.00%) HTTP
5 4 (16.00%) DNS
6 3 (12.00%) LAN
7 2 (8.00%) DHCP
8 1 (4.00%) BGP
8 1 (4.00%) Cisco ICM
8 1 (4.00%) DSLAM
8 1 (4.00%) EIGRP
8 1 (4.00%) GPON
8 1 (4.00%) MPLS
8 1 (4.00%) MRTG
8 1 (4.00%) OSPF
8 1 (4.00%) VPN
8 1 (4.00%) VRRP
8 1 (4.00%) WAN
8 1 (4.00%) Wireless
Database & Business Intelligence
1 8 (32.00%) Big Data
2 5 (20.00%) Hadoop
3 2 (8.00%) Amazon RDS
3 2 (8.00%) PostgreSQL
4 1 (4.00%) MySQL
4 1 (4.00%) RDBMS
4 1 (4.00%) Relational Database
Development Applications
1 12 (48.00%) Atlassian Bamboo
2 10 (40.00%) Jenkins
3 8 (32.00%) Git (software)
4 5 (20.00%) Robot Framework
4 5 (20.00%) Selenium
5 1 (4.00%) GoogleTest
5 1 (4.00%) VSS/SourceSafe
General
1 6 (24.00%) Finance
Job Titles
1 11 (44.00%) DevOps Engineer
2 7 (28.00%) AWS DevOps
2 7 (28.00%) AWS DevOps Engineer
2 7 (28.00%) AWS Engineer
2 7 (28.00%) Cloud Engineer
2 7 (28.00%) Linux DevOps Engineer
2 7 (28.00%) Linux Engineer
2 7 (28.00%) Linux/Unix DevOps
2 7 (28.00%) Senior Cloud Engineer
2 7 (28.00%) Senior DevOps
2 7 (28.00%) Senior DevOps Engineer
2 7 (28.00%) Senior Linux Engineer
3 5 (20.00%) Open Source Engineer
3 5 (20.00%) Software Engineer
4 3 (12.00%) Infrastructure Manager
5 2 (8.00%) Data Analyst
5 2 (8.00%) Data Consultant
5 2 (8.00%) Java Consultant
5 2 (8.00%) Linux Consultant
5 2 (8.00%) Technical Consultant
Libraries, Frameworks & Software Standards
1 5 (20.00%) Apache NiFi
2 4 (16.00%) CGI
2 4 (16.00%) Elastic Stack
3 1 (4.00%) .NET
3 1 (4.00%) ActiveMQ
3 1 (4.00%) Boost C++ Libraries
3 1 (4.00%) Hibernate
3 1 (4.00%) JMS
3 1 (4.00%) RabbitMQ
3 1 (4.00%) Spring
3 1 (4.00%) STL
Miscellaneous
1 6 (24.00%) Linux Command Line
2 1 (4.00%) Algorithms
2 1 (4.00%) BBC
2 1 (4.00%) Data Centre
2 1 (4.00%) Enterprise Software
2 1 (4.00%) IVR
Operating Systems
1 24 (96.00%) Linux
2 11 (44.00%) Red Hat Enterprise Linux
3 10 (40.00%) Ubuntu
4 7 (28.00%) Debian
4 7 (28.00%) Unix
5 3 (12.00%) Windows
5 3 (12.00%) Windows 10
5 3 (12.00%) Windows Server 2008
6 1 (4.00%) Solaris
Processes & Methodologies
1 15 (60.00%) DevOps
2 10 (40.00%) Configuration Management
3 6 (24.00%) Open Source
3 6 (24.00%) Software Engineering
3 6 (24.00%) TDD
4 5 (20.00%) API Integration
4 5 (20.00%) Continuous Integration
4 5 (20.00%) Deployment Automation
4 5 (20.00%) Performance Analysis
4 5 (20.00%) Software Deployment
4 5 (20.00%) Technical Debt
4 5 (20.00%) Test Automation
4 5 (20.00%) Web Development
5 4 (16.00%) Integration Testing
5 4 (16.00%) Prototyping
5 4 (16.00%) Rapid Prototyping
6 3 (12.00%) E-Discovery
6 3 (12.00%) Microservices
6 3 (12.00%) Migration
6 3 (12.00%) Risk Management
Programming Languages
1 12 (48.00%) Python
2 10 (40.00%) Bash Shell
2 10 (40.00%) Java
3 7 (28.00%) C++
4 6 (24.00%) JavaScript
5 3 (12.00%) Perl
5 3 (12.00%) PowerShell
6 1 (4.00%) C
6 1 (4.00%) C#
6 1 (4.00%) PHP
6 1 (4.00%) Ruby
6 1 (4.00%) SQL
Qualifications
1 9 (36.00%) Security Cleared
2 5 (20.00%) Degree
3 3 (12.00%) DV Cleared
4 2 (8.00%) AWS Certification
5 1 (4.00%) SC Cleared
Quality Assurance & Compliance
1 1 (4.00%) GDPR
System Software
1 10 (40.00%) Docker
2 3 (12.00%) Active Directory
3 1 (4.00%) iptables
3 1 (4.00%) VMware ESXi
3 1 (4.00%) VMware Infrastructure
Systems Management
1 16 (64.00%) Ansible
2 10 (40.00%) Kubernetes
3 6 (24.00%) SELinux
4 5 (20.00%) Ambari
5 4 (16.00%) Terraform
6 3 (12.00%) Kibana
6 3 (12.00%) ZABBIX
7 1 (4.00%) Cisco CUCM
7 1 (4.00%) Cisco UCCE
7 1 (4.00%) Cisco UCCX
7 1 (4.00%) Docker Swarm
7 1 (4.00%) Opscode Chef
7 1 (4.00%) Puppet
7 1 (4.00%) Salt
7 1 (4.00%) vCenter Server
7 1 (4.00%) vMotion
Vendors
1 14 (56.00%) Red Hat
2 11 (44.00%) Google
3 3 (12.00%) Microsoft
4 1 (4.00%) Cisco
4 1 (4.00%) F5
4 1 (4.00%) Palo Alto
4 1 (4.00%) ServiceNow
4 1 (4.00%) VMware