Period
to 17 November 2018

The following table provides summary statistics for permanent job vacancies advertised in Berkshire 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 November 2018 with a comparison to the same period in the previous 2 years.

CentOS Linux
South East > Berkshire
6 months to
17 Nov 2018
Same period 2017 Same period 2016
Rank 186 141 206
Rank change year-on-year -45 +65 -16
Permanent jobs citing CentOS 70 126 102
As % of all permanent IT jobs advertised in Berkshire 1.15% 1.99% 1.17%
As % of the Operating Systems category 4.61% 7.34% 4.24%
Number of salaries quoted 62 117 98
Berkshire median annual salary £55,000 £45,000 £50,000
Median salary % change year-on-year +22.22% -10.00% +17.65%
10th Percentile £37,625 £26,000 £33,875
90th Percentile £71,250 £68,750 £71,625
South East median annual salary £52,500 £45,000 £50,000
% change year-on-year +16.67% -10.00% +17.65%

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 Berkshire with a requirement for operating system skills.

All Operating Systems
Berkshire
Permanent vacancies with a requirement for operating system skills 1,517 1,716 2,405
As % of all permanent IT jobs advertised in Berkshire 24.87% 27.15% 27.59%
Number of salaries quoted 1,250 1,440 1,965
Berkshire median annual salary £46,000 £45,000 £47,500
Median salary % change year-on-year +2.22% -5.26% +5.56%
10th Percentile £26,000 £24,000 £26,250
90th Percentile £68,750 £67,500 £68,750
South East median annual salary £42,500 £40,000 £42,500
% change year-on-year +6.25% -5.88% +6.25%

CentOS
Job Vacancy Trend in Berkshire

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

Job vacancy trend for CentOS in Berkshire

CentOS
Salary Trend in Berkshire

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

Salary trend for CentOS in Berkshire

CentOS
Salary Histogram in Berkshire

The salary distribution of IT jobs citing CentOS in Berkshire over the 6 months to 17 November 2018.

Salary histogram for CentOS in Berkshire

CentOS
Job Locations in Berkshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the Berkshire region over the 6 months to 17 November 2018. 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
Reading -32 37 £58,500 +30.00% 8
Newbury -1 12 £41,250 +37.50% 4
Maidenhead -32 8 £57,500 -
Slough -14 6 £60,000 +20.00% 1
Windsor - 2 £55,000 -
CentOS
South East

For the 6 months to 17 November 2018, 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 Berkshire region with a requirement for CentOS.

1 70 (100.00%) Linux
2 50 (71.43%) DevOps
3 41 (58.57%) Python
4 40 (57.14%) Amazon AWS
5 34 (48.57%) Bash Shell
6 31 (44.29%) Red Hat
7 29 (41.43%) Configuration Management
7 29 (41.43%) Red Hat Enterprise Linux
8 27 (38.57%) Ansible
9 26 (37.14%) Elasticsearch
9 26 (37.14%) Puppet
10 23 (32.86%) Terraform
11 21 (30.00%) Windows
12 20 (28.57%) Ubuntu
13 19 (27.14%) Microsoft Azure
14 18 (25.71%) Java
15 17 (24.29%) TCP/IP
15 17 (24.29%) Agile Software Development
15 17 (24.29%) Open Source
16 16 (22.86%) Jenkins
16 16 (22.86%) VMware
17 15 (21.43%) Management Information System
17 15 (21.43%) Nagios
17 15 (21.43%) JavaScript
17 15 (21.43%) SQL
17 15 (21.43%) SQL Server
17 15 (21.43%) Big Data
18 14 (20.00%) Opscode Chef
18 14 (20.00%) VMware Infrastructure
18 14 (20.00%) Apache

CentOS
Co-occurring IT Skills in Berkshire 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 26 (37.14%) Elasticsearch
2 14 (20.00%) Apache
3 10 (14.29%) Tomcat
4 7 (10.00%) IIS
5 5 (7.14%) nginx
6 2 (2.86%) JBoss
7 1 (1.43%) CMS
7 1 (1.43%) iPlanet
Cloud Services
1 40 (57.14%) Amazon AWS
2 19 (27.14%) Microsoft Azure
3 7 (10.00%) AWS CloudFormation
4 5 (7.14%) Office 365
5 4 (5.71%) Amazon EC2
5 4 (5.71%) Amazon ElastiCache
5 4 (5.71%) Amazon S3
5 4 (5.71%) AWS Elastic Beanstalk
5 4 (5.71%) AWS Lambda
5 4 (5.71%) CloudFront
5 4 (5.71%) GitHub
5 4 (5.71%) Google Cloud Platform
5 4 (5.71%) Route 53
5 4 (5.71%) Serverless
5 4 (5.71%) Virtual Private Cloud
6 3 (4.29%) SaaS
7 2 (2.86%) Amazon CloudWatch
7 2 (2.86%) Datadog
8 1 (1.43%) DigitalOcean
8 1 (1.43%) Mimecast
Communications & Networking
1 17 (24.29%) TCP/IP
2 14 (20.00%) Firewall
3 7 (10.00%) DNS
3 7 (10.00%) LAN
3 7 (10.00%) SNMP
3 7 (10.00%) SSH
3 7 (10.00%) VPN
3 7 (10.00%) WAN
4 4 (5.71%) HTTP
4 4 (5.71%) Network Security
4 4 (5.71%) SAN
5 3 (4.29%) GoToMeeting
5 3 (4.29%) WebEx
6 2 (2.86%) VoIP
7 1 (1.43%) DHCP
7 1 (1.43%) Internet
7 1 (1.43%) MPLS
7 1 (1.43%) OSPF
7 1 (1.43%) SMTP
7 1 (1.43%) WLAN
Database & Business Intelligence
1 15 (21.43%) Big Data
1 15 (21.43%) SQL Server
2 11 (15.71%) MySQL
3 8 (11.43%) Apache Cassandra
3 8 (11.43%) NoSQL
4 6 (8.57%) Hadoop
5 5 (7.14%) PostgreSQL
6 4 (5.71%) Amazon RDS
6 4 (5.71%) MongoDB
7 3 (4.29%) Data Lake
7 3 (4.29%) SQL Server 2008
8 2 (2.86%) HBase
8 2 (2.86%) MariaDB
8 2 (2.86%) RDBMS
8 2 (2.86%) Relational Database
9 1 (1.43%) DB2
9 1 (1.43%) Redis
Development Applications
1 16 (22.86%) Jenkins
2 11 (15.71%) Git (software)
3 8 (11.43%) Atlassian Bamboo
4 6 (8.57%) Vagrant
5 4 (5.71%) Cucumber
5 4 (5.71%) Sonatype Nexus
5 4 (5.71%) Subversion
6 3 (4.29%) Travis CI
General
1 5 (7.14%) Finance
2 4 (5.71%) Electronics
2 4 (5.71%) Manufacturing
2 4 (5.71%) Marketing
2 4 (5.71%) Telecoms
3 2 (2.86%) Retail
Job Titles
1 29 (41.43%) DevOps Engineer
2 11 (15.71%) Support Engineer
3 8 (11.43%) Developer
3 8 (11.43%) Infrastructure Engineer
3 8 (11.43%) Senior DevOps
3 8 (11.43%) Senior DevOps Engineer
4 7 (10.00%) Linux Engineer
5 6 (8.57%) Administrator
5 6 (8.57%) AWS Engineer
5 6 (8.57%) Open Source Developer
5 6 (8.57%) Systems Administrator
6 5 (7.14%) Analyst
6 5 (7.14%) Information Analyst
6 5 (7.14%) Information Security Analyst
6 5 (7.14%) Linux Administrator
6 5 (7.14%) Linux Support
6 5 (7.14%) Linux Support Engineer
6 5 (7.14%) Linux Systems Administrator
6 5 (7.14%) Security Analyst
6 5 (7.14%) Senior Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 12 (17.14%) Elastic Stack
2 6 (8.57%) LAMP
3 5 (7.14%) Middleware
4 4 (5.71%) .NET
4 4 (5.71%) J2EE
4 4 (5.71%) Node.js
4 4 (5.71%) RabbitMQ
4 4 (5.71%) RESTful
4 4 (5.71%) Web Services
5 3 (4.29%) REST
6 1 (1.43%) CGI
6 1 (1.43%) Django
6 1 (1.43%) LDAP
6 1 (1.43%) LEMP Stack
6 1 (1.43%) OAuth
6 1 (1.43%) OpenID
6 1 (1.43%) SAML
Miscellaneous
1 15 (21.43%) Management Information System
2 11 (15.71%) Linux Command Line
3 10 (14.29%) BBC
4 9 (12.86%) Private Cloud
5 7 (10.00%) Hybrid Cloud
6 6 (8.57%) Computer Science
7 5 (7.14%) Data Centre
7 5 (7.14%) Enterprise Software
7 5 (7.14%) Public Cloud
8 3 (4.29%) Analytical Skills
8 3 (4.29%) Cyberthreat
8 3 (4.29%) Security Operations Centre
9 1 (1.43%) Cloud Native
Operating Systems
1 70 (100.00%) Linux
2 29 (41.43%) Red Hat Enterprise Linux
3 21 (30.00%) Windows
4 20 (28.57%) Ubuntu
5 12 (17.14%) Windows Server
6 10 (14.29%) Debian
6 10 (14.29%) Unix
7 7 (10.00%) Windows Server 2008
8 4 (5.71%) DC/OS
9 2 (2.86%) Mac OS X
9 2 (2.86%) Windows 10
10 1 (1.43%) Fedora
10 1 (1.43%) Mesosphere
10 1 (1.43%) Solaris
10 1 (1.43%) Windows Server 2003
Processes & Methodologies
1 50 (71.43%) DevOps
2 29 (41.43%) Configuration Management
3 17 (24.29%) Agile Software Development
3 17 (24.29%) Open Source
4 12 (17.14%) Information Security
4 12 (17.14%) Infrastructure Engineering
5 11 (15.71%) Continuous Integration
6 10 (14.29%) Migration
6 10 (14.29%) Task Automation
7 8 (11.43%) Scrum
7 8 (11.43%) SIEM
8 7 (10.00%) Microservices
8 7 (10.00%) SDLC
8 7 (10.00%) Tech Ops
9 6 (8.57%) Open Source Development
9 6 (8.57%) Problem-Solving
9 6 (8.57%) Vulnerability Management
10 5 (7.14%) Information Management
10 5 (7.14%) OWASP
11 4 (5.71%) Programme Management
Programming Languages
1 41 (58.57%) Python
2 34 (48.57%) Bash Shell
3 18 (25.71%) Java
4 15 (21.43%) JavaScript
4 15 (21.43%) SQL
5 13 (18.57%) Perl
6 7 (10.00%) PHP
7 5 (7.14%) PowerShell
7 5 (7.14%) Ruby
7 5 (7.14%) T-SQL
8 4 (5.71%) C#
8 4 (5.71%) Shell Script
9 1 (1.43%) C++
9 1 (1.43%) Go
Qualifications
1 8 (11.43%) Degree
2 5 (7.14%) CISM
2 5 (7.14%) CISSP
2 5 (7.14%) SANS
3 4 (5.71%) Computer Science Degree
3 4 (5.71%) SC Cleared
3 4 (5.71%) Security Cleared
Quality Assurance & Compliance
1 5 (7.14%) ISO/IEC 27001
2 3 (4.29%) SLA
3 1 (1.43%) QA
System Software
1 14 (20.00%) VMware Infrastructure
2 11 (15.71%) Docker
3 8 (11.43%) Active Directory
3 8 (11.43%) Hyper-V
4 4 (5.71%) VMware Server
5 3 (4.29%) VirtualBox
6 2 (2.86%) Virtual Machines
7 1 (1.43%) KVM
7 1 (1.43%) NDS
7 1 (1.43%) NetIQ eDirectory
7 1 (1.43%) Varnish
7 1 (1.43%) VMware ESXi
Systems Management
1 27 (38.57%) Ansible
2 26 (37.14%) Puppet
3 23 (32.86%) Terraform
4 15 (21.43%) Nagios
5 14 (20.00%) Opscode Chef
6 13 (18.57%) Kibana
6 13 (18.57%) ZABBIX
7 9 (12.86%) Kubernetes
8 7 (10.00%) Docker Swarm
8 7 (10.00%) Grafana
9 6 (8.57%) Icinga
10 4 (5.71%) Mesos
10 4 (5.71%) Rancher
10 4 (5.71%) Rundeck
10 4 (5.71%) Salt
11 2 (2.86%) Packer
12 1 (1.43%) cPanel
12 1 (1.43%) Graphite
12 1 (1.43%) HAProxy
12 1 (1.43%) Host Intrusion Detection System
Vendors
1 31 (44.29%) Red Hat
2 16 (22.86%) VMware
3 13 (18.57%) Cisco
3 13 (18.57%) Google
4 9 (12.86%) Microsoft
5 7 (10.00%) Oracle
6 5 (7.14%) Citrix
7 4 (5.71%) Dell
7 4 (5.71%) F5
7 4 (5.71%) PagerDuty
7 4 (5.71%) SAP
8 3 (4.29%) CheckPoint
8 3 (4.29%) LogRhythm
8 3 (4.29%) Salesforce.com
9 2 (2.86%) New Relic
9 2 (2.86%) Splunk
10 1 (1.43%) Kaspersky
10 1 (1.43%) Qualys
10 1 (1.43%) SolarWinds
10 1 (1.43%) Symantec