Period
to 23 July 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 23 July 2018 with a comparison to the same period in the previous 2 years.

CentOS Linux
South East > Berkshire
6 months to
23 Jul 2018
Same period 2017 Same period 2016
Rank 213 123 183
Rank change year-on-year -90 +60 +34
Permanent jobs citing CentOS 53 157 147
As % of all permanent IT jobs advertised in Berkshire 0.79% 2.39% 1.57%
As % of the Operating Systems category 3.07% 8.39% 5.38%
Number of salaries quoted 47 139 144
Berkshire median annual salary £55,000 £47,500 £55,000
Median salary % change year-on-year +15.79% -13.64% +51.72%
10th Percentile £37,500 £31,250 £36,250
90th Percentile £68,750 £69,250 £68,750
South East median annual salary £55,000 £47,500 £52,500
% change year-on-year +15.79% -9.52% +23.53%

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 1,727 1,871 2,731
As % of all permanent IT jobs advertised in Berkshire 25.85% 28.43% 29.14%
Number of salaries quoted 1,425 1,564 2,361
Berkshire median annual salary £47,500 £45,000 £45,000
Median salary % change year-on-year +5.56% - +5.88%
10th Percentile £25,750 £25,000 £27,500
90th Percentile £68,750 £66,250 £67,500
South East median annual salary £42,500 £41,500 £42,500
% change year-on-year +2.41% -2.35% +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 23 July 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 23 July 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 -41 19 £55,000 +22.22% 8
Maidenhead -53 9 £57,500 +21.05% 2
Windsor +2 8 £57,500 +15.00%
Newbury -10 7 £42,500 +30.77% 5
Slough -30 3 £45,000 -28.00% 2
Bracknell - 2 £40,000 -
CentOS
South East

For the 6 months to 23 July 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 53 (100.00%) Linux
2 26 (49.06%) Ubuntu
3 24 (45.28%) DevOps
4 22 (41.51%) Puppet
5 21 (39.62%) Bash Shell
6 19 (35.85%) Red Hat Enterprise Linux
6 19 (35.85%) Python
7 18 (33.96%) Ansible
8 17 (32.08%) Opscode Chef
8 17 (32.08%) Agile Software Development
9 16 (30.19%) Red Hat
10 15 (28.30%) Microsoft Azure
11 14 (26.42%) Amazon AWS
11 14 (26.42%) Git (software)
11 14 (26.42%) Windows
12 13 (24.53%) Apache
12 13 (24.53%) Open Source
12 13 (24.53%) Docker
13 12 (22.64%) Kubernetes
13 12 (22.64%) Configuration Management
13 12 (22.64%) VMware
13 12 (22.64%) Linux Command Line
14 11 (20.75%) MySQL
15 10 (18.87%) Debian
16 9 (16.98%) Cisco
16 9 (16.98%) Oracle
16 9 (16.98%) JavaScript
16 9 (16.98%) Tomcat
16 9 (16.98%) Vulnerability Management
16 9 (16.98%) SIEM

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 13 (24.53%) Apache
2 9 (16.98%) Tomcat
3 6 (11.32%) JBoss
4 5 (9.43%) IIS
5 3 (5.66%) nginx
6 2 (3.77%) Confluence
6 2 (3.77%) Exchange Server 2003
6 2 (3.77%) Exchange Server 2010
6 2 (3.77%) Exchange Server 2013
6 2 (3.77%) MS Exchange
7 1 (1.89%) CMS
7 1 (1.89%) OpenStack
Cloud Services
1 15 (28.30%) Microsoft Azure
2 14 (26.42%) Amazon AWS
3 4 (7.55%) AWS CloudFormation
4 3 (5.66%) Amazon CloudWatch
4 3 (5.66%) Datadog
4 3 (5.66%) Google Cloud Platform
5 2 (3.77%) Amazon S3
6 1 (1.89%) Akamai
Communications & Networking
1 7 (13.21%) SSH
2 6 (11.32%) Firewall
3 5 (9.43%) Network Security
3 5 (9.43%) Sourcefire
3 5 (9.43%) VPN
4 4 (7.55%) LAN
4 4 (7.55%) WAN
5 3 (5.66%) DNS
5 3 (5.66%) HTTP
5 3 (5.66%) TCP/IP
5 3 (5.66%) VoIP
6 2 (3.77%) BIG-IP
6 2 (3.77%) Cisco ASA
6 2 (3.77%) DHCP
6 2 (3.77%) Multicast
6 2 (3.77%) NetScaler
6 2 (3.77%) SAN
6 2 (3.77%) Unicast
6 2 (3.77%) Wi-Fi
6 2 (3.77%) Wireshark
Database & Business Intelligence
1 11 (20.75%) MySQL
2 9 (16.98%) MongoDB
3 7 (13.21%) Hadoop
3 7 (13.21%) NoSQL
4 6 (11.32%) Apache Cassandra
5 4 (7.55%) Big Data
6 3 (5.66%) SQL Server
7 1 (1.89%) Firebird
7 1 (1.89%) Redis
Development Applications
1 14 (26.42%) Git (software)
2 6 (11.32%) Jenkins
3 5 (9.43%) Atlassian Bamboo
3 5 (9.43%) Vagrant
4 4 (7.55%) Travis CI
5 3 (5.66%) Cucumber
5 3 (5.66%) Selenium
6 2 (3.77%) JIRA
6 2 (3.77%) TeamCity
6 2 (3.77%) WebDriver
7 1 (1.89%) Eclipse
General
1 4 (7.55%) Banking
1 4 (7.55%) Finance
1 4 (7.55%) Retail
2 3 (5.66%) Marketing
2 3 (5.66%) Telecoms
Job Titles
1 11 (20.75%) Linux Engineer
1 11 (20.75%) Systems Administrator
2 10 (18.87%) Administrator
2 10 (18.87%) Developer
2 10 (18.87%) Linux Systems Administrator
3 9 (16.98%) DevOps Engineer
3 9 (16.98%) Linux Administrator
4 8 (15.09%) Analyst
5 7 (13.21%) Architect
5 7 (13.21%) Open Source Developer
5 7 (13.21%) Senior Architect
6 6 (11.32%) Linux DevOps Engineer
6 6 (11.32%) Linux/Unix DevOps
6 6 (11.32%) Site Engineer
6 6 (11.32%) Site Reliability Engineer
7 5 (9.43%) Security Architect
7 5 (9.43%) Senior Security Architect
8 4 (7.55%) Information Security Analyst
8 4 (7.55%) Security Analyst
8 4 (7.55%) Systems Engineer
Libraries, Frameworks & Software Standards
1 5 (9.43%) Elastic Stack
1 5 (9.43%) LAMP
2 3 (5.66%) Middleware
3 2 (3.77%) CSS
3 2 (3.77%) HTML
3 2 (3.77%) libvirt
3 2 (3.77%) Node.js
3 2 (3.77%) WebSockets
4 1 (1.89%) ActiveMQ
4 1 (1.89%) CGI
4 1 (1.89%) Django
4 1 (1.89%) GWT
4 1 (1.89%) Hibernate
4 1 (1.89%) JMS
4 1 (1.89%) LEMP Stack
4 1 (1.89%) RabbitMQ
4 1 (1.89%) Spring
Miscellaneous
1 12 (22.64%) Linux Command Line
2 5 (9.43%) SCADA
3 3 (5.66%) Analytical Skills
4 2 (3.77%) Data Centre
4 2 (3.77%) Management Information System
4 2 (3.77%) Replication
5 1 (1.89%) EPoS
Operating Systems
1 53 (100.00%) Linux
2 26 (49.06%) Ubuntu
3 19 (35.85%) Red Hat Enterprise Linux
4 14 (26.42%) Windows
5 10 (18.87%) Debian
6 9 (16.98%) DC/OS
7 7 (13.21%) Unix
8 6 (11.32%) Windows Server
9 5 (9.43%) Oracle Linux
9 5 (9.43%) Windows 10
10 4 (7.55%) Windows Server 2008
11 3 (5.66%) Mac OS X
12 2 (3.77%) Kali Linux
12 2 (3.77%) Windows 8
12 2 (3.77%) Windows Server 2003
12 2 (3.77%) Windows Server 2012
13 1 (1.89%) Fedora
Processes & Methodologies
1 24 (45.28%) DevOps
2 17 (32.08%) Agile Software Development
3 13 (24.53%) Open Source
4 12 (22.64%) Configuration Management
5 9 (16.98%) SIEM
5 9 (16.98%) Site Reliability Engineering
5 9 (16.98%) Vulnerability Management
6 8 (15.09%) Problem-Solving
7 7 (13.21%) Cybersecurity
7 7 (13.21%) Open Source Development
8 6 (11.32%) Information Security
8 6 (11.32%) ITIL
8 6 (11.32%) Scrum
8 6 (11.32%) Server Monitoring
9 5 (9.43%) Continuous Integration
9 5 (9.43%) Database Security
9 5 (9.43%) IT Strategy
9 5 (9.43%) PRINCE2
9 5 (9.43%) Security Architecture
9 5 (9.43%) TOGAF
Programming Languages
1 21 (39.62%) Bash Shell
2 19 (35.85%) Python
3 9 (16.98%) JavaScript
4 8 (15.09%) Java
5 7 (13.21%) SQL
6 4 (7.55%) Perl
6 4 (7.55%) PHP
6 4 (7.55%) Shell Script
7 3 (5.66%) C++
7 3 (5.66%) Ruby
8 2 (3.77%) Go
8 2 (3.77%) PowerShell
9 1 (1.89%) C#
Qualifications
1 7 (13.21%) Degree
2 5 (9.43%) CCIE
2 5 (9.43%) CCIE Security
2 5 (9.43%) Cisco Certification
2 5 (9.43%) Master's Degree
3 4 (7.55%) CISM
3 4 (7.55%) CISSP
3 4 (7.55%) SANS
4 3 (5.66%) Security Cleared
5 2 (3.77%) AWS Certification
Quality Assurance & Compliance
1 9 (16.98%) ISO/IEC 27001
2 2 (3.77%) QA
System Software
1 13 (24.53%) Docker
2 9 (16.98%) VMware Infrastructure
3 6 (11.32%) Hyper-V
4 5 (9.43%) Active Directory
4 5 (9.43%) Virtual Machines
5 4 (7.55%) VirtualBox
6 2 (3.77%) KVM
7 1 (1.89%) Varnish
7 1 (1.89%) VMware ESXi
Systems Management
1 22 (41.51%) Puppet
2 18 (33.96%) Ansible
3 17 (32.08%) Opscode Chef
4 12 (22.64%) Kubernetes
5 9 (16.98%) Docker Swarm
6 8 (15.09%) Nagios
7 4 (7.55%) ZABBIX
8 3 (5.66%) Host Intrusion Detection System
8 3 (5.66%) Packer
8 3 (5.66%) Prometheus
8 3 (5.66%) Terraform
8 3 (5.66%) Xymon
9 2 (3.77%) Backup Exec
9 2 (3.77%) Cacti
9 2 (3.77%) McAfee ePO
9 2 (3.77%) Nessus
9 2 (3.77%) NetBackup
9 2 (3.77%) Nmap
9 2 (3.77%) SCCM
9 2 (3.77%) SCOM
Vendors
1 16 (30.19%) Red Hat
2 12 (22.64%) VMware
3 9 (16.98%) Cisco
3 9 (16.98%) Oracle
4 5 (9.43%) CheckPoint
4 5 (9.43%) CyberArk
4 5 (9.43%) Juniper
4 5 (9.43%) Splunk
4 5 (9.43%) Trend Micro
5 4 (7.55%) Google
6 3 (5.66%) New Relic
6 3 (5.66%) SaltStack
7 2 (3.77%) Brocade
7 2 (3.77%) Capita
7 2 (3.77%) F5
7 2 (3.77%) FireEye
7 2 (3.77%) Palo Alto
7 2 (3.77%) Qualys
7 2 (3.77%) Rackspace
7 2 (3.77%) Veeam