Period
to 24 January 2019

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 24 January 2019 with a comparison to the same period in the previous 2 years.

CentOS Linux
South East > Berkshire
6 months to
24 Jan 2019
Same period 2018 Same period 2017
Rank 169 176 168
Rank change year-on-year +7 -8 +48
Permanent jobs citing CentOS 85 83 127
As % of all permanent IT jobs advertised in Berkshire 1.49% 1.26% 1.61%
As % of the Operating Systems category 6.08% 4.56% 5.81%
Number of salaries quoted 76 75 117
Berkshire median annual salary £58,250 £45,000 £50,000
Median salary % change year-on-year +29.44% -10.00% +17.65%
10th Percentile £40,000 £26,000 £36,250
90th Percentile £80,625 £72,500 £79,500
South East median annual salary £52,500 £41,000 £50,000
% change year-on-year +28.05% -18.00% +5.82%

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 1,397 1,820 2,186
As % of all permanent IT jobs advertised in Berkshire 24.50% 27.65% 27.78%
Number of salaries quoted 1,150 1,525 1,779
Berkshire median annual salary £50,000 £45,000 £46,500
Median salary % change year-on-year +11.11% -3.23% +1.64%
10th Percentile £26,475 £24,000 £25,500
90th Percentile £71,250 £72,500 £70,000
South East median annual salary £42,500 £40,500 £42,500
% change year-on-year +4.94% -4.71% +2.41%

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 24 January 2019.

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 24 January 2019. 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 +11 47 £62,500 +38.89% 5
Newbury +13 17 £51,250 +70.83% 4
Slough -9 11 £60,000 +26.32% 1
Maidenhead -15 4 £45,000 +80.00%
CentOS
South East

For the 6 months to 24 January 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 Berkshire region with a requirement for CentOS.

1 85 (100.00%) Linux
2 65 (76.47%) DevOps
3 55 (64.71%) Amazon AWS
4 48 (56.47%) Configuration Management
5 47 (55.29%) Python
6 46 (54.12%) Red Hat
7 44 (51.76%) Bash Shell
8 39 (45.88%) Elasticsearch
9 35 (41.18%) Ansible
9 35 (41.18%) Terraform
10 29 (34.12%) Jenkins
11 28 (32.94%) Microsoft Azure
11 28 (32.94%) Red Hat Enterprise Linux
12 27 (31.76%) Puppet
12 27 (31.76%) TCP/IP
13 25 (29.41%) Windows
13 25 (29.41%) Google
14 21 (24.71%) Big Data
14 21 (24.71%) Java
15 20 (23.53%) Firewall
15 20 (23.53%) Agile Software Development
16 19 (22.35%) Management Information System
16 19 (22.35%) SQL
16 19 (22.35%) DNS
16 19 (22.35%) Docker
16 19 (22.35%) Ubuntu
16 19 (22.35%) Windows Server
17 18 (21.18%) Elastic Stack
17 18 (21.18%) Infrastructure Engineering
17 18 (21.18%) ZABBIX

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 39 (45.88%) Elasticsearch
2 15 (17.65%) Apache
3 14 (16.47%) IIS
4 7 (8.24%) Tomcat
5 6 (7.06%) nginx
6 1 (1.18%) CMS
6 1 (1.18%) iPlanet
6 1 (1.18%) OpenStack
Cloud Services
1 55 (64.71%) Amazon AWS
2 28 (32.94%) Microsoft Azure
3 14 (16.47%) Office 365
4 12 (14.12%) Google Cloud Platform
5 8 (9.41%) AWS CloudFormation
5 8 (9.41%) SaaS
6 5 (5.88%) Amazon EC2
6 5 (5.88%) Amazon S3
6 5 (5.88%) AWS Lambda
6 5 (5.88%) CloudFront
6 5 (5.88%) Route 53
6 5 (5.88%) Serverless
6 5 (5.88%) Virtual Private Cloud
7 4 (4.71%) Amazon CloudWatch
7 4 (4.71%) Amazon ElastiCache
7 4 (4.71%) AWS Elastic Beanstalk
7 4 (4.71%) GitHub
8 3 (3.53%) Datadog
9 1 (1.18%) DigitalOcean
9 1 (1.18%) Mimecast
Communications & Networking
1 27 (31.76%) TCP/IP
2 20 (23.53%) Firewall
3 19 (22.35%) DNS
4 15 (17.65%) LAN
5 14 (16.47%) WAN
6 10 (11.76%) VPN
7 7 (8.24%) HTTP
7 7 (8.24%) SNMP
8 6 (7.06%) DHCP
9 5 (5.88%) Network Security
10 4 (4.71%) SSH
11 3 (3.53%) GoToMeeting
11 3 (3.53%) SAN
11 3 (3.53%) WebEx
12 1 (1.18%) Internet
12 1 (1.18%) IPv4
12 1 (1.18%) IPv6
12 1 (1.18%) SMTP
12 1 (1.18%) SSL
12 1 (1.18%) WLAN
Database & Business Intelligence
1 21 (24.71%) Big Data
2 15 (17.65%) PostgreSQL
3 11 (12.94%) SQL Server
4 8 (9.41%) Apache Cassandra
4 8 (9.41%) Hadoop
4 8 (9.41%) MySQL
4 8 (9.41%) NoSQL
5 7 (8.24%) HBase
6 5 (5.88%) Amazon RDS
7 4 (4.71%) MongoDB
7 4 (4.71%) RDBMS
7 4 (4.71%) Relational Database
8 3 (3.53%) Data Lake
8 3 (3.53%) MariaDB
8 3 (3.53%) SQL Server 2008
9 1 (1.18%) DB2
9 1 (1.18%) Redis
Development Applications
1 29 (34.12%) Jenkins
2 14 (16.47%) Atlassian Bamboo
3 9 (10.59%) Git (software)
4 7 (8.24%) Vagrant
5 4 (4.71%) Cucumber
5 4 (4.71%) Sonatype Nexus
5 4 (4.71%) Subversion
6 3 (3.53%) Travis CI
7 1 (1.18%) GoogleTest
General
1 3 (3.53%) Electronics
1 3 (3.53%) Finance
1 3 (3.53%) Manufacturing
1 3 (3.53%) Marketing
1 3 (3.53%) Telecoms
2 2 (2.35%) Retail
Job Titles
1 42 (49.41%) DevOps Engineer
2 14 (16.47%) Infrastructure Engineer
2 14 (16.47%) Senior DevOps
2 14 (16.47%) Senior DevOps Engineer
2 14 (16.47%) Support Engineer
3 13 (15.29%) AWS Engineer
3 13 (15.29%) Linux Engineer
4 11 (12.94%) Senior Infrastructure Engineer
5 8 (9.41%) Cloud Engineer
5 8 (9.41%) Linux/Unix DevOps
5 8 (9.41%) Technical Support
6 7 (8.24%) AWS DevOps
6 7 (8.24%) AWS Infrastructure Engineer
6 7 (8.24%) Linux DevOps Engineer
6 7 (8.24%) Senior Cloud Engineer
6 7 (8.24%) Technical Engineer
6 7 (8.24%) Technical Support Engineer
7 6 (7.06%) AWS DevOps Engineer
7 6 (7.06%) Senior Linux Engineer
8 5 (5.88%) Azure Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 18 (21.18%) Elastic Stack
2 10 (11.76%) Middleware
3 6 (7.06%) REST
4 5 (5.88%) .NET
5 4 (4.71%) J2EE
5 4 (4.71%) Node.js
5 4 (4.71%) RabbitMQ
5 4 (4.71%) RESTful
5 4 (4.71%) Web Services
6 2 (2.35%) LAMP
7 1 (1.18%) ActiveMQ
7 1 (1.18%) Boost C++ Libraries
7 1 (1.18%) CGI
7 1 (1.18%) Hibernate
7 1 (1.18%) JMS
7 1 (1.18%) LDAP
7 1 (1.18%) OAuth
7 1 (1.18%) SAML
7 1 (1.18%) Spring
7 1 (1.18%) STL
Miscellaneous
1 19 (22.35%) Management Information System
2 13 (15.29%) BBC
2 13 (15.29%) Hybrid Cloud
2 13 (15.29%) Private Cloud
3 8 (9.41%) Linux Command Line
4 6 (7.06%) Data Centre
4 6 (7.06%) Enterprise Software
5 4 (4.71%) Analytical Skills
5 4 (4.71%) Public Cloud
6 3 (3.53%) Cyberthreat
6 3 (3.53%) Security Operations Centre
7 1 (1.18%) Cloud Native
7 1 (1.18%) Cyberattack
Operating Systems
1 85 (100.00%) Linux
2 28 (32.94%) Red Hat Enterprise Linux
3 25 (29.41%) Windows
4 19 (22.35%) Ubuntu
4 19 (22.35%) Windows Server
5 10 (11.76%) Windows Server 2008
6 8 (9.41%) Unix
7 7 (8.24%) Debian
8 4 (4.71%) DC/OS
9 3 (3.53%) Windows 10
10 1 (1.18%) Mesosphere
10 1 (1.18%) Solaris
10 1 (1.18%) Windows Server 2003
Processes & Methodologies
1 65 (76.47%) DevOps
2 48 (56.47%) Configuration Management
3 20 (23.53%) Agile Software Development
4 18 (21.18%) Infrastructure Engineering
5 14 (16.47%) Information Security
5 14 (16.47%) Migration
5 14 (16.47%) Task Automation
6 13 (15.29%) Open Source
7 11 (12.94%) Continuous Integration
7 11 (12.94%) Microservices
8 10 (11.76%) Computer Science
9 9 (10.59%) Scrum
10 8 (9.41%) Problem-Solving
11 7 (8.24%) SDLC
11 7 (8.24%) Tech Ops
12 6 (7.06%) Machine Learning
12 6 (7.06%) Multithreading
13 5 (5.88%) Software Engineering
14 4 (4.71%) Information Management
14 4 (4.71%) Load Balancing
Programming Languages
1 47 (55.29%) Python
2 44 (51.76%) Bash Shell
3 21 (24.71%) Java
4 19 (22.35%) SQL
5 16 (18.82%) Perl
6 14 (16.47%) PowerShell
7 12 (14.12%) JavaScript
7 12 (14.12%) PHP
8 11 (12.94%) T-SQL
9 5 (5.88%) C#
10 4 (4.71%) Ruby
10 4 (4.71%) Shell Script
11 1 (1.18%) C++
11 1 (1.18%) Go
Qualifications
1 12 (14.12%) Degree
2 4 (4.71%) Computer Science Degree
2 4 (4.71%) SC Cleared
2 4 (4.71%) Security Cleared
3 1 (1.18%) AWS Certification
3 1 (1.18%) CISM
3 1 (1.18%) CISSP
3 1 (1.18%) SANS
Quality Assurance & Compliance
1 3 (3.53%) SLA
2 1 (1.18%) ISO/IEC 27001
2 1 (1.18%) QA
System Software
1 19 (22.35%) Docker
2 15 (17.65%) Active Directory
3 14 (16.47%) Hyper-V
4 12 (14.12%) VMware Infrastructure
5 4 (4.71%) VMware Server
6 3 (3.53%) Virtual Machines
6 3 (3.53%) VirtualBox
7 2 (2.35%) KVM
8 1 (1.18%) LXC
8 1 (1.18%) NDS
8 1 (1.18%) NetIQ eDirectory
8 1 (1.18%) Varnish
Systems Management
1 35 (41.18%) Ansible
1 35 (41.18%) Terraform
2 27 (31.76%) Puppet
3 18 (21.18%) ZABBIX
4 17 (20.00%) Kibana
5 16 (18.82%) Kubernetes
6 13 (15.29%) Nagios
7 11 (12.94%) Opscode Chef
8 7 (8.24%) Docker Swarm
9 6 (7.06%) Grafana
9 6 (7.06%) Icinga
10 4 (4.71%) Mesos
10 4 (4.71%) Rancher
10 4 (4.71%) Rundeck
10 4 (4.71%) Salt
11 3 (3.53%) Packer
12 2 (2.35%) Cacti
13 1 (1.18%) HAProxy
13 1 (1.18%) Nessus
13 1 (1.18%) Plesk
Vendors
1 46 (54.12%) Red Hat
2 25 (29.41%) Google
3 18 (21.18%) Microsoft
4 12 (14.12%) VMware
5 11 (12.94%) Citrix
6 8 (9.41%) Cisco
7 5 (5.88%) Oracle
8 4 (4.71%) F5
9 3 (3.53%) CheckPoint
9 3 (3.53%) Dell
9 3 (3.53%) LogRhythm
9 3 (3.53%) New Relic
9 3 (3.53%) PagerDuty
9 3 (3.53%) Salesforce.com
9 3 (3.53%) SAP
9 3 (3.53%) Splunk
10 1 (1.18%) Juniper
10 1 (1.18%) LogicMonitor
10 1 (1.18%) Novell
10 1 (1.18%) Sun