Period
to 25 May 2018

The following table provides summary statistics for permanent job vacancies advertised in the East of England 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 25 May 2018 with a comparison to the same period in the previous 2 years.

CentOS Linux
England > East of England
6 months to
25 May 2018
Same period 2017 Same period 2016
Rank 312 307 338
Rank change year-on-year -5 +31 +7
Permanent jobs citing CentOS 54 53 43
As % of all permanent IT jobs advertised in the East of England 0.43% 0.44% 0.30%
As % of the Operating Systems category 1.55% 1.79% 1.18%
Number of salaries quoted 37 47 42
East of England median annual salary £50,000 £45,000 £41,250
Median salary % change year-on-year +11.11% +9.09% -21.43%
10th Percentile £23,750 £37,500 £27,875
90th Percentile £75,000 £77,000 £55,875
England median annual salary £50,000 £50,000 £52,500
% change year-on-year - -4.76% +16.67%

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 the East of England with a requirement for operating system skills.

All Operating Systems
East of England
Permanent vacancies with a requirement for operating system skills 3,493 2,955 3,640
As % of all permanent IT jobs advertised in the East of England 27.99% 24.41% 25.47%
Number of salaries quoted 2,580 2,349 2,960
East of England median annual salary £45,000 £42,500 £40,000
Median salary % change year-on-year +5.88% +6.25% -
10th Percentile £25,000 £24,750 £23,500
90th Percentile £70,000 £62,100 £62,500
England median annual salary £47,500 £45,000 £44,500
% change year-on-year +5.56% +1.12% +4.71%

CentOS
Job Vacancy Trend in the East of England

Job postings citing CentOS as a percentage of all IT jobs advertised in the East of England.

Job vacancy trend for CentOS in the East of England

CentOS
Salary Trend in the East of England

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

Salary trend for CentOS in the East of England

CentOS
Salary Histogram in the East of England

The salary distribution of IT jobs citing CentOS in the East of England over the 6 months to 25 May 2018.

Salary histogram for CentOS in the East of England

CentOS
Job Locations in the East of England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the East of England region over the 6 months to 25 May 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
Cambridgeshire -22 24 £57,500 +4.55% 4
Hertfordshire -18 19 £37,500 -16.67% 1
Suffolk - 7 £65,000 - 2
Essex +19 2 £50,000 +19.76% 3
Bedfordshire - 2 £35,500 - 2
CentOS
England

For the 6 months to 25 May 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 East of England region with a requirement for CentOS.

1 54 (100.00%) Linux
2 36 (66.67%) Puppet
3 32 (59.26%) Python
4 30 (55.56%) Red Hat
5 29 (53.70%) Red Hat Enterprise Linux
5 29 (53.70%) Opscode Chef
6 28 (51.85%) Ansible
6 28 (51.85%) Bash Shell
7 25 (46.30%) Windows
8 23 (42.59%) DevOps
9 22 (40.74%) Docker
9 22 (40.74%) Amazon AWS
9 22 (40.74%) VMware
10 21 (38.89%) Windows Server
11 16 (29.63%) High Availability
12 15 (27.78%) SDLC
12 15 (27.78%) VMware Infrastructure
12 15 (27.78%) SQL
12 15 (27.78%) Oracle
12 15 (27.78%) DNS
13 14 (25.93%) MongoDB
14 13 (24.07%) Git (software)
14 13 (24.07%) Windows Server 2012
14 13 (24.07%) Finance
14 13 (24.07%) Agile Software Development
14 13 (24.07%) TCP/IP
14 13 (24.07%) CCNA
14 13 (24.07%) Cisco Certification
14 13 (24.07%) SQL Server
14 13 (24.07%) Web Services

CentOS
Co-occurring IT Skills in the East of England 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 11 (20.37%) Confluence
1 11 (20.37%) WebLogic
2 10 (18.52%) OpenStack
2 10 (18.52%) WebSphere
3 5 (9.26%) Apache
4 3 (5.56%) IIS
5 2 (3.70%) JBoss
5 2 (3.70%) Tomcat
6 1 (1.85%) BizTalk Server
6 1 (1.85%) Elasticsearch
6 1 (1.85%) nginx
Business Applications
1 10 (18.52%) Documaker
2 1 (1.85%) Temenos T24
Cloud Services
1 22 (40.74%) Amazon AWS
2 10 (18.52%) GitHub
2 10 (18.52%) IaaS
2 10 (18.52%) Microsoft Azure
3 5 (9.26%) SaaS
4 4 (7.41%) AWS CloudFormation
5 2 (3.70%) Office 365
6 1 (1.85%) Azure Active Directory
6 1 (1.85%) npm
Communications & Networking
1 15 (27.78%) DNS
2 13 (24.07%) TCP/IP
3 11 (20.37%) DHCP
3 11 (20.37%) HTTP
3 11 (20.37%) HTTPS
3 11 (20.37%) SSL
4 10 (18.52%) Cisco IOS
4 10 (18.52%) Cisco Nexus
4 10 (18.52%) FTP
4 10 (18.52%) ICMP
4 10 (18.52%) IMAP
4 10 (18.52%) IPsec
4 10 (18.52%) OpenVPN
4 10 (18.52%) POP3
4 10 (18.52%) SMTP
4 10 (18.52%) SNMP
4 10 (18.52%) SSH
4 10 (18.52%) Telnet
4 10 (18.52%) WPA2
5 1 (1.85%) VLAN
Database & Business Intelligence
1 14 (25.93%) MongoDB
2 13 (24.07%) SQL Server
3 12 (22.22%) Oracle Database
4 7 (12.96%) MySQL
5 4 (7.41%) NoSQL
6 3 (5.56%) PostgreSQL
6 3 (5.56%) Redis
7 2 (3.70%) Relational Database
8 1 (1.85%) Amazon DynamoDB
8 1 (1.85%) Big Data
8 1 (1.85%) Hadoop
8 1 (1.85%) MariaDB
Development Applications
1 13 (24.07%) Git (software)
2 11 (20.37%) JIRA
3 10 (18.52%) Gerrit
3 10 (18.52%) Sonatype Nexus
4 7 (12.96%) Atlassian Bamboo
5 6 (11.11%) Jenkins
5 6 (11.11%) TeamCity
6 5 (9.26%) Selenium
7 4 (7.41%) Vagrant
8 2 (3.70%) GCC
8 2 (3.70%) GDB
8 2 (3.70%) Octopus Deploy
8 2 (3.70%) ProC
8 2 (3.70%) Visual Studio
9 1 (1.85%) Bitbucket
9 1 (1.85%) Eclipse
9 1 (1.85%) IntelliJ
9 1 (1.85%) NetBeans
9 1 (1.85%) Subversion
9 1 (1.85%) Team Foundation Server
General
1 13 (24.07%) Finance
2 5 (9.26%) Marketing
3 2 (3.70%) Pharmaceutical
4 1 (1.85%) Banking
4 1 (1.85%) Telecoms
Job Titles
1 19 (35.19%) DevOps Engineer
2 14 (25.93%) Systems Administrator
3 13 (24.07%) Senior DevOps
3 13 (24.07%) Senior DevOps Engineer
4 12 (22.22%) Administrator
4 12 (22.22%) Linux Systems Administrator
5 11 (20.37%) Analyst
6 10 (18.52%) Linux Administrator
7 7 (12.96%) Linux Engineer
8 5 (9.26%) Automation Test Analyst
8 5 (9.26%) Cloud Engineer
8 5 (9.26%) Kubernetes Engineer
8 5 (9.26%) Linux/Unix DevOps
8 5 (9.26%) Service Analyst
8 5 (9.26%) Service Desk Analyst
8 5 (9.26%) Systems Engineer
8 5 (9.26%) Test Analyst
9 4 (7.41%) Cloud Administrator
9 4 (7.41%) Linux Systems Engineer
9 4 (7.41%) Support Engineer
Libraries, Frameworks & Software Standards
1 13 (24.07%) Web Services
2 11 (20.37%) Middleware
3 10 (18.52%) RESTful
3 10 (18.52%) SOAP
3 10 (18.52%) YAML
4 3 (5.56%) Elastic Stack
5 2 (3.70%) ADO
5 2 (3.70%) ODBC
5 2 (3.70%) RabbitMQ
6 1 (1.85%) .NET
6 1 (1.85%) Hibernate
6 1 (1.85%) HTML
6 1 (1.85%) J2EE
6 1 (1.85%) J2SE
6 1 (1.85%) JTA
6 1 (1.85%) LAMP
6 1 (1.85%) OAuth
6 1 (1.85%) SAML
6 1 (1.85%) Servlets
6 1 (1.85%) Spring
Miscellaneous
1 7 (12.96%) Analytical Skills
2 6 (11.11%) Data Centre
3 4 (7.41%) Life Science
4 2 (3.70%) Management Information System
5 1 (1.85%) Clustering
5 1 (1.85%) CMDB
5 1 (1.85%) Internet of Things
5 1 (1.85%) Public Cloud
5 1 (1.85%) Smart City
Operating Systems
1 54 (100.00%) Linux
2 29 (53.70%) Red Hat Enterprise Linux
3 25 (46.30%) Windows
4 21 (38.89%) Windows Server
5 13 (24.07%) Windows Server 2012
6 12 (22.22%) Solaris
6 12 (22.22%) Windows Server 2008
7 10 (18.52%) Android
7 10 (18.52%) Ubuntu
8 4 (7.41%) SUSE
8 4 (7.41%) Unix
9 3 (5.56%) Windows 10
9 3 (5.56%) Windows 7
10 2 (3.70%) Amazon Linux
11 1 (1.85%) Debian
Processes & Methodologies
1 23 (42.59%) DevOps
2 16 (29.63%) High Availability
3 15 (27.78%) SDLC
4 13 (24.07%) Agile Software Development
5 11 (20.37%) Release Management
5 11 (20.37%) Root Cause Analysis
6 10 (18.52%) Application Performance Monitoring
6 10 (18.52%) Capacity Planning
6 10 (18.52%) Disaster Recovery
6 10 (18.52%) Integration Testing
6 10 (18.52%) Network Monitoring
6 10 (18.52%) Performance Monitoring
6 10 (18.52%) Project Management
6 10 (18.52%) Runbook
7 8 (14.81%) Change Management
7 8 (14.81%) Service Desk Management
7 8 (14.81%) System Testing
8 7 (12.96%) Customer-Centricity
9 5 (9.26%) Collaborative Working
9 5 (9.26%) Deployment Automation
Programming Languages
1 32 (59.26%) Python
2 28 (51.85%) Bash Shell
3 15 (27.78%) SQL
4 12 (22.22%) Java
4 12 (22.22%) PowerShell
5 11 (20.37%) JavaScript
5 11 (20.37%) Perl
5 11 (20.37%) PHP
6 7 (12.96%) C
7 2 (3.70%) C++
8 1 (1.85%) C#
8 1 (1.85%) Shell Script
Qualifications
1 13 (24.07%) CCNA
1 13 (24.07%) Cisco Certification
2 5 (9.26%) Degree
2 5 (9.26%) DV Cleared
2 5 (9.26%) Security Cleared
3 1 (1.85%) ITIL Certification
Quality Assurance & Compliance
1 9 (16.67%) SLA
2 3 (5.56%) ISO/IEC 27001
System Software
1 22 (40.74%) Docker
2 15 (27.78%) VMware Infrastructure
3 10 (18.52%) Active Directory
3 10 (18.52%) Samba
3 10 (18.52%) VirtualBox
4 5 (9.26%) Virtual Machines
5 3 (5.56%) vSphere
6 1 (1.85%) KVM
6 1 (1.85%) XenServer
Systems Management
1 36 (66.67%) Puppet
2 29 (53.70%) Opscode Chef
3 28 (51.85%) Ansible
4 12 (22.22%) Kubernetes
4 12 (22.22%) Nagios
5 11 (20.37%) Rancher
6 10 (18.52%) Sysdig
6 10 (18.52%) vRealize
7 6 (11.11%) ZABBIX
8 5 (9.26%) Grafana
8 5 (9.26%) Munin
8 5 (9.26%) Salt
9 2 (3.70%) HAProxy
10 1 (1.85%) Consul
10 1 (1.85%) Graphite
Vendors
1 30 (55.56%) Red Hat
2 22 (40.74%) VMware
3 15 (27.78%) Oracle
4 10 (18.52%) AppDynamics
4 10 (18.52%) BMC
4 10 (18.52%) Cisco
4 10 (18.52%) HP
4 10 (18.52%) IBM
4 10 (18.52%) Intel
4 10 (18.52%) New Relic
4 10 (18.52%) ServiceNow
4 10 (18.52%) Splunk
4 10 (18.52%) WorldPay
5 5 (9.26%) Google
6 3 (5.56%) Microsoft
7 2 (3.70%) NetApp
7 2 (3.70%) Sun
7 2 (3.70%) TOWER Software
8 1 (1.85%) Juniper
8 1 (1.85%) Sophos