Period
to 15 December 2017

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 15 December 2017 with a comparison to the same period in the previous 2 years.

CentOS Linux
South East > Berkshire
6 months to
15 Dec 2017
Same period 2016 Same period 2015
Rank 151 189 200
Rank change year-on-year +38 +11 +60
Permanent jobs citing CentOS 102 111 151
As % of all permanent IT jobs advertised in Berkshire 1.59% 1.32% 1.37%
As % of the Operating Systems category 5.86% 4.73% 5.32%
Number of salaries quoted 94 108 162
Berkshire median annual salary £41,250 £50,000 £42,500
Median salary % change year-on-year -17.50% +17.65% -10.53%
10th Percentile £26,000 £35,875 £21,500
90th Percentile £68,750 £75,000 £65,000
South East median annual salary £45,000 £50,000 £47,000
% change year-on-year -10.00% +6.38% +10.59%

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 1740 2345 2837
As % of all permanent IT jobs advertised in Berkshire 27.11% 27.81% 25.69%
Number of salaries quoted 1454 1912 2456
Berkshire median annual salary £44,000 £46,750 £45,000
Median salary % change year-on-year -5.88% +3.89% +12.50%
10th Percentile £23,825 £26,250 £25,000
90th Percentile £68,750 £68,750 £67,500
South East median annual salary £40,000 £42,500 £41,000
% change year-on-year -5.88% +3.66% +2.50%

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 15 December 2017.

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 15 December 2017. 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 +54 66 £45,000 -10.00%
Newbury - 22 £30,000 - 1
Slough -7 8 £57,500 - 1
Bracknell +9 1 £100,000 +81.82%
CentOS
South East

For the 6 months to 15 December 2017, IT jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Berkshire region with a requirement for CentOS.

1 102 (100.00%) Linux
2 72 (70.59%) Red Hat
3 67 (65.69%) Python
4 58 (56.86%) DevOps
5 51 (50.00%) Windows
6 49 (48.04%) Bash Shell
7 48 (47.06%) Puppet
8 46 (45.10%) Opscode Chef
9 45 (44.12%) Ubuntu
10 42 (41.18%) Red Hat Enterprise Linux
11 40 (39.22%) Amazon AWS
12 35 (34.31%) Perl
13 30 (29.41%) Docker
14 27 (26.47%) Ansible
15 26 (25.49%) SaaS
16 25 (24.51%) Debian
16 25 (24.51%) Agile Software Development
17 23 (22.55%) Unix
17 23 (22.55%) Terraform
18 22 (21.57%) MySQL
18 22 (21.57%) Cisco
19 21 (20.59%) AWS Certification
20 20 (19.61%) VMware
20 20 (19.61%) Microsoft Azure
21 19 (18.63%) ServiceNow
21 19 (18.63%) Kubernetes
22 18 (17.65%) OpenStack
23 17 (16.67%) Open Source
23 17 (16.67%) VMware Infrastructure
23 17 (16.67%) Git (software)

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 18 (17.65%) OpenStack
2 7 (6.86%) Apache
2 7 (6.86%) Elasticsearch
3 6 (5.88%) IIS
4 4 (3.92%) JBoss
5 3 (2.94%) Confluence
5 3 (2.94%) Exchange Server 2003
5 3 (2.94%) Exchange Server 2010
5 3 (2.94%) Exchange Server 2013
5 3 (2.94%) MS Exchange
5 3 (2.94%) nginx
6 1 (0.98%) Tomcat
Cloud Services
1 40 (39.22%) Amazon AWS
2 26 (25.49%) SaaS
3 20 (19.61%) Microsoft Azure
4 9 (8.82%) GitHub
5 6 (5.88%) Amazon EC2
6 5 (4.90%) Akamai
7 4 (3.92%) AWS CloudFormation
8 3 (2.94%) Amazon S3
9 2 (1.96%) IaaS
9 2 (1.96%) PaaS
10 1 (0.98%) Google Cloud Platform
Communications & Networking
1 15 (14.71%) TCP/IP
2 13 (12.75%) DHCP
3 12 (11.76%) DNS
4 11 (10.78%) LAN
4 11 (10.78%) WAN
5 10 (9.80%) Internet
6 8 (7.84%) VPN
7 6 (5.88%) Firewall
8 5 (4.90%) BGP
8 5 (4.90%) OSPF
8 5 (4.90%) VoIP
9 4 (3.92%) EIGRP
9 4 (3.92%) MPLS
9 4 (3.92%) RIP
9 4 (3.92%) SAN
10 3 (2.94%) BIG-IP
10 3 (2.94%) Cisco ASA
10 3 (2.94%) NetScaler
10 3 (2.94%) Wi-Fi
10 3 (2.94%) Wireshark
Database & Business Intelligence
1 22 (21.57%) MySQL
2 15 (14.71%) Big Data
2 15 (14.71%) NoSQL
3 14 (13.73%) MongoDB
4 13 (12.75%) Redis
5 9 (8.82%) Hadoop
6 8 (7.84%) Neo4j
6 8 (7.84%) Pentaho
6 8 (7.84%) PostgreSQL
7 5 (4.90%) Apache Cassandra
8 3 (2.94%) SQL Server
9 1 (0.98%) DB2
9 1 (0.98%) SQLite
Development Applications
1 17 (16.67%) Git (software)
2 9 (8.82%) Jenkins
3 8 (7.84%) Talend Open Studio
4 7 (6.86%) Vagrant
5 6 (5.88%) GitLab
5 6 (5.88%) Subversion
6 4 (3.92%) Ant
6 4 (3.92%) Atlassian Bamboo
6 4 (3.92%) Maven
6 4 (3.92%) TeamCity
7 3 (2.94%) JIRA
General
1 14 (13.73%) Banking
2 8 (7.84%) Advertising
3 2 (1.96%) Back Office
3 2 (1.96%) Billing
3 2 (1.96%) Marketing
4 1 (0.98%) Electronics
4 1 (0.98%) Finance
4 1 (0.98%) Manufacturing
4 1 (0.98%) Telecoms
Job Titles
1 43 (42.16%) DevOps Engineer
2 19 (18.63%) AWS DevOps
2 19 (18.63%) AWS Engineer
3 18 (17.65%) AWS DevOps Engineer
4 16 (15.69%) Developer
4 16 (15.69%) Junior
5 14 (13.73%) Administrator
5 14 (13.73%) Junior DevOps
5 14 (13.73%) Junior DevOps Engineer
5 14 (13.73%) Systems Administrator
6 13 (12.75%) Linux Administrator
6 13 (12.75%) Linux Systems Administrator
7 12 (11.76%) Cloud Engineer
7 12 (11.76%) Linux Engineer
8 10 (9.80%) Systems Engineer
9 8 (7.84%) Linux/Unix DevOps
9 8 (7.84%) Support Engineer
10 7 (6.86%) Open Source Developer
10 7 (6.86%) Python Developer
11 6 (5.88%) Linux DevOps Engineer
Libraries, Frameworks & Software Standards
1 10 (9.80%) AngularJS
1 10 (9.80%) Node.js
2 9 (8.82%) Elastic Stack
3 8 (7.84%) ActiveMQ
3 8 (7.84%) Apache Camel
3 8 (7.84%) Apache CXF
3 8 (7.84%) D3.js
3 8 (7.84%) Drools
3 8 (7.84%) jBPM
4 6 (5.88%) Django
4 6 (5.88%) Web Services
5 4 (3.92%) HTML
5 4 (3.92%) JSON
5 4 (3.92%) REST
6 3 (2.94%) Middleware
6 3 (2.94%) Spring
7 2 (1.96%) jQuery
7 2 (1.96%) Laravel
7 2 (1.96%) RESTful
7 2 (1.96%) Symfony
Miscellaneous
1 17 (16.67%) Computer Science
2 15 (14.71%) Fintech
3 13 (12.75%) Data Centre
4 8 (7.84%) Greenfield Project
5 4 (3.92%) Analytical Skills
5 4 (3.92%) Client/Server
5 4 (3.92%) Public Cloud
6 2 (1.96%) Private Cloud
Operating Systems
1 102 (100.00%) Linux
2 51 (50.00%) Windows
3 45 (44.12%) Ubuntu
4 42 (41.18%) Red Hat Enterprise Linux
5 25 (24.51%) Debian
6 23 (22.55%) Unix
7 11 (10.78%) Windows Server
8 5 (4.90%) Windows Server 2012
9 4 (3.92%) Windows 10
10 3 (2.94%) Kali Linux
10 3 (2.94%) Windows 8
10 3 (2.94%) Windows Server 2003
11 2 (1.96%) Mac OS X
12 1 (0.98%) Windows Server 2008
Processes & Methodologies
1 58 (56.86%) DevOps
2 25 (24.51%) Agile Software Development
3 17 (16.67%) Open Source
4 16 (15.69%) Migration
5 14 (13.73%) Continuous Integration
5 14 (13.73%) TDD
6 12 (11.76%) BDD
6 12 (11.76%) Scrum
7 11 (10.78%) Microservices
8 9 (8.82%) Software Engineering
9 8 (7.84%) Configuration Management
9 8 (7.84%) Open Source Development
10 7 (6.86%) ITIL
10 7 (6.86%) Proactive Monitoring
11 6 (5.88%) Continuous Deployment
11 6 (5.88%) High Availability
11 6 (5.88%) Load Balancing
12 5 (4.90%) Continuous Delivery
12 5 (4.90%) Infrastructure Management
12 5 (4.90%) Server Monitoring
Programming Languages
1 67 (65.69%) Python
2 49 (48.04%) Bash Shell
3 35 (34.31%) Perl
4 16 (15.69%) Java
5 14 (13.73%) SQL
6 10 (9.80%) PHP
7 9 (8.82%) Ruby
8 8 (7.84%) C
8 8 (7.84%) Jython
8 8 (7.84%) PowerShell
9 6 (5.88%) JavaScript
10 4 (3.92%) Scala
11 2 (1.96%) C++
11 2 (1.96%) ES6
12 1 (0.98%) C#
12 1 (0.98%) Go
Qualifications
1 21 (20.59%) AWS Certification
2 13 (12.75%) Degree
3 4 (3.92%) Computer Science Degree
3 4 (3.92%) HND
4 2 (1.96%) SC Cleared
4 2 (1.96%) Security Cleared
Quality Assurance & Compliance
1 6 (5.88%) SLA
System Software
1 30 (29.41%) Docker
2 17 (16.67%) VMware Infrastructure
3 10 (9.80%) Active Directory
3 10 (9.80%) Hyper-V
3 10 (9.80%) KVM
4 8 (7.84%) vSphere
5 7 (6.86%) VMware ESXi
6 2 (1.96%) Virtual Machines
7 1 (0.98%) Terminal Services
7 1 (0.98%) VirtualBox
Systems Management
1 48 (47.06%) Puppet
2 46 (45.10%) Opscode Chef
3 27 (26.47%) Ansible
4 23 (22.55%) Terraform
5 19 (18.63%) Kubernetes
6 16 (15.69%) Nagios
7 9 (8.82%) Salt
8 6 (5.88%) cPanel
8 6 (5.88%) Prometheus
9 3 (2.94%) Backup Exec
9 3 (2.94%) Grafana
9 3 (2.94%) McAfee ePO
9 3 (2.94%) Nessus
9 3 (2.94%) NetBackup
9 3 (2.94%) Nmap
9 3 (2.94%) SCCM
9 3 (2.94%) SCOM
10 2 (1.96%) logstash
10 2 (1.96%) ZABBIX
11 1 (0.98%) HAProxy
Vendors
1 72 (70.59%) Red Hat
2 22 (21.57%) Cisco
3 20 (19.61%) VMware
4 19 (18.63%) ServiceNow
5 12 (11.76%) Juniper
6 8 (7.84%) Rackspace
6 8 (7.84%) Talend
7 7 (6.86%) Citrix
8 5 (4.90%) Microsoft
9 4 (3.92%) AppDynamics
9 4 (3.92%) Google
9 4 (3.92%) New Relic
9 4 (3.92%) SaltStack
9 4 (3.92%) Splunk
10 3 (2.94%) Brocade
10 3 (2.94%) FireEye
10 3 (2.94%) Palo Alto
10 3 (2.94%) Qualys
10 3 (2.94%) SolarWinds
10 3 (2.94%) Veeam