Period
to 18 August 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 18 August 2018 with a comparison to the same period in the previous 2 years.

CentOS Linux
England > East of England
6 months to
18 Aug 2018
Same period 2017 Same period 2016
Rank 291 290 327
Rank change year-on-year -1 +37 +4
Permanent jobs citing CentOS 62 66 43
As % of all permanent IT jobs advertised in the East of England 0.54% 0.55% 0.32%
As % of the Operating Systems category 2.05% 2.19% 1.29%
Number of salaries quoted 35 58 42
East of England median annual salary £40,000 £50,000 £49,000
Median salary % change year-on-year -20.00% +2.04% +3.16%
10th Percentile £23,750 £31,250 £35,125
90th Percentile £75,000 £75,000 £58,625
England median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - +5.26%

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 3,026 3,012 3,325
As % of all permanent IT jobs advertised in the East of England 26.28% 24.89% 24.64%
Number of salaries quoted 2,154 2,449 2,809
East of England median annual salary £45,000 £42,500 £42,500
Median salary % change year-on-year +5.88% - +6.25%
10th Percentile £24,000 £25,000 £23,750
90th Percentile £70,000 £65,000 £62,750
England median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - +2.27%

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 18 August 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 18 August 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 +6 31 £75,000 +33.33% 14
Suffolk - 14 £75,000 -
Hertfordshire -13 13 £35,000 -22.22%
Bedfordshire +12 4 £40,000 -8.05% 2
CentOS
England

For the 6 months to 18 August 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 62 (100.00%) Linux
2 40 (64.52%) Python
3 39 (62.90%) Bash Shell
3 39 (62.90%) Puppet
4 37 (59.68%) Red Hat Enterprise Linux
4 37 (59.68%) Red Hat
5 34 (54.84%) Windows
6 32 (51.61%) Ansible
6 32 (51.61%) Docker
7 28 (45.16%) Windows Server
8 26 (41.94%) Opscode Chef
9 25 (40.32%) DevOps
9 25 (40.32%) VMware Infrastructure
9 25 (40.32%) VMware
10 23 (37.10%) PowerShell
11 22 (35.48%) High Availability
12 21 (33.87%) Cisco Certification
12 21 (33.87%) CCNA
13 20 (32.26%) Git (software)
13 20 (32.26%) SDLC
14 19 (30.65%) Agile Software Development
15 18 (29.03%) Finance
15 18 (29.03%) Samba
15 18 (29.03%) Nagios
15 18 (29.03%) SQL
16 17 (27.42%) DNS
16 17 (27.42%) Amazon AWS
16 17 (27.42%) VirtualBox
17 16 (25.81%) Confluence
17 16 (25.81%) JIRA

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 16 (25.81%) Confluence
2 14 (22.58%) WebLogic
3 13 (20.97%) OpenStack
4 12 (19.35%) WebSphere
5 5 (8.06%) Apache
6 4 (6.45%) IIS
7 3 (4.84%) Tomcat
8 2 (3.23%) BizTalk Server
9 1 (1.61%) Elasticsearch
9 1 (1.61%) nginx
9 1 (1.61%) WordPress
Business Applications
1 12 (19.35%) Documaker
2 2 (3.23%) Temenos T24
Cloud Services
1 17 (27.42%) Amazon AWS
2 12 (19.35%) GitHub
2 12 (19.35%) IaaS
3 3 (4.84%) AWS CloudFormation
3 3 (4.84%) Microsoft Azure
3 3 (4.84%) SaaS
4 2 (3.23%) npm
5 1 (1.61%) NuGet
Communications & Networking
1 17 (27.42%) DNS
2 15 (24.19%) TCP/IP
3 14 (22.58%) DHCP
3 14 (22.58%) HTTPS
3 14 (22.58%) SSL
4 13 (20.97%) HTTP
4 13 (20.97%) SNMP
5 12 (19.35%) Cisco IOS
5 12 (19.35%) Cisco Nexus
5 12 (19.35%) FTP
5 12 (19.35%) ICMP
5 12 (19.35%) IMAP
5 12 (19.35%) IPsec
5 12 (19.35%) OpenVPN
5 12 (19.35%) POP3
5 12 (19.35%) SMTP
5 12 (19.35%) SSH
5 12 (19.35%) Telnet
5 12 (19.35%) WPA2
6 5 (8.06%) Broadband
Database & Business Intelligence
1 15 (24.19%) SQL Server
2 14 (22.58%) MongoDB
2 14 (22.58%) Oracle Database
3 6 (9.68%) Big Data
4 5 (8.06%) MySQL
5 3 (4.84%) NoSQL
5 3 (4.84%) Redis
6 2 (3.23%) Relational Database
7 1 (1.61%) Amazon DynamoDB
7 1 (1.61%) MariaDB
7 1 (1.61%) PostgreSQL
Development Applications
1 20 (32.26%) Git (software)
2 16 (25.81%) JIRA
3 13 (20.97%) Jenkins
4 12 (19.35%) Gerrit
4 12 (19.35%) Sonatype Nexus
5 10 (16.13%) Atlassian Bamboo
5 10 (16.13%) TeamCity
6 8 (12.90%) Selenium
7 5 (8.06%) Vagrant
8 2 (3.23%) Bitbucket
8 2 (3.23%) Octopus Deploy
8 2 (3.23%) Subversion
8 2 (3.23%) Team Foundation Server
9 1 (1.61%) Eclipse
9 1 (1.61%) IntelliJ
9 1 (1.61%) NetBeans
General
1 18 (29.03%) Finance
2 6 (9.68%) Marketing
3 2 (3.23%) Banking
4 1 (1.61%) Automotive
4 1 (1.61%) Retail
Job Titles
1 23 (37.10%) DevOps Engineer
2 14 (22.58%) Senior DevOps
2 14 (22.58%) Senior DevOps Engineer
3 13 (20.97%) Analyst
4 10 (16.13%) Administrator
4 10 (16.13%) Systems Administrator
5 8 (12.90%) Automation Test Analyst
5 8 (12.90%) Test Analyst
6 6 (9.68%) Infrastructure Engineer
6 6 (9.68%) Kubernetes Engineer
6 6 (9.68%) Linux Administrator
6 6 (9.68%) Linux Systems Administrator
7 5 (8.06%) Platform Engineer
7 5 (8.06%) Service Analyst
7 5 (8.06%) Service Desk Analyst
7 5 (8.06%) Support Engineer
8 4 (6.45%) Windows Administrator
9 3 (4.84%) Applications Support
9 3 (4.84%) Applications Support Engineer
9 3 (4.84%) Linux Engineer
Libraries, Frameworks & Software Standards
1 16 (25.81%) Web Services
2 14 (22.58%) Middleware
3 12 (19.35%) RESTful
3 12 (19.35%) SOAP
3 12 (19.35%) YAML
4 5 (8.06%) Elastic Stack
5 2 (3.23%) .NET
5 2 (3.23%) AngularJS
5 2 (3.23%) HTML
5 2 (3.23%) J2EE
5 2 (3.23%) jQuery
5 2 (3.23%) Node.js
5 2 (3.23%) OAuth
5 2 (3.23%) RabbitMQ
5 2 (3.23%) SAML
6 1 (1.61%) Hibernate
6 1 (1.61%) JTA
6 1 (1.61%) LAMP
6 1 (1.61%) Servlets
6 1 (1.61%) Spring
Miscellaneous
1 9 (14.52%) Analytical Skills
2 5 (8.06%) Enterprise Storage
3 3 (4.84%) Life Science
4 2 (3.23%) Algorithms
4 2 (3.23%) Clustering
4 2 (3.23%) CMDB
4 2 (3.23%) Computer Science
4 2 (3.23%) Data Centre
5 1 (1.61%) Replication
Operating Systems
1 62 (100.00%) Linux
2 37 (59.68%) Red Hat Enterprise Linux
3 34 (54.84%) Windows
4 28 (45.16%) Windows Server
5 15 (24.19%) Windows Server 2012
6 12 (19.35%) Android
6 12 (19.35%) Solaris
6 12 (19.35%) Ubuntu
6 12 (19.35%) Windows Server 2008
7 6 (9.68%) Fedora
8 3 (4.84%) Debian
9 1 (1.61%) Amazon Linux
9 1 (1.61%) Unix
9 1 (1.61%) Windows 10
9 1 (1.61%) Windows 8
Processes & Methodologies
1 25 (40.32%) DevOps
2 22 (35.48%) High Availability
3 20 (32.26%) SDLC
4 19 (30.65%) Agile Software Development
5 14 (22.58%) Release Management
5 14 (22.58%) Root Cause Analysis
6 13 (20.97%) Capacity Planning
6 13 (20.97%) Test Automation
7 12 (19.35%) Application Performance Monitoring
7 12 (19.35%) Disaster Recovery
7 12 (19.35%) Integration Testing
7 12 (19.35%) Network Monitoring
7 12 (19.35%) Performance Monitoring
7 12 (19.35%) Project Management
7 12 (19.35%) Runbook
8 9 (14.52%) Change Management
8 9 (14.52%) Configuration Management
8 9 (14.52%) Server Management
9 8 (12.90%) Service Desk Management
9 8 (12.90%) System Testing
Programming Languages
1 40 (64.52%) Python
2 39 (62.90%) Bash Shell
3 23 (37.10%) PowerShell
4 18 (29.03%) SQL
5 15 (24.19%) JavaScript
6 13 (20.97%) C
7 12 (19.35%) Perl
7 12 (19.35%) PHP
8 7 (11.29%) Java
9 3 (4.84%) Shell Script
10 2 (3.23%) C#
11 1 (1.61%) VBScript
Qualifications
1 21 (33.87%) CCNA
1 21 (33.87%) Cisco Certification
2 13 (20.97%) DV Cleared
2 13 (20.97%) Security Cleared
3 7 (11.29%) Degree
4 5 (8.06%) CISSP
4 5 (8.06%) CompTIA Security+
4 5 (8.06%) GIAC
4 5 (8.06%) Linux+ Certification
4 5 (8.06%) MCSE
4 5 (8.06%) Microsoft Certification
4 5 (8.06%) Network+ Certification
4 5 (8.06%) SANS
4 5 (8.06%) SSCP
5 2 (3.23%) Computer Science Degree
5 2 (3.23%) ITIL Certification
Quality Assurance & Compliance
1 8 (12.90%) SLA
2 5 (8.06%) ISO/IEC 27001
3 2 (3.23%) Sarbanes-Oxley
System Software
1 32 (51.61%) Docker
2 25 (40.32%) VMware Infrastructure
3 18 (29.03%) Samba
4 17 (27.42%) VirtualBox
5 11 (17.74%) Active Directory
6 8 (12.90%) Virtual Machines
7 6 (9.68%) VMware ESXi
8 5 (8.06%) NFS
8 5 (8.06%) Xen
9 4 (6.45%) vSphere
Systems Management
1 39 (62.90%) Puppet
2 32 (51.61%) Ansible
3 26 (41.94%) Opscode Chef
4 18 (29.03%) Nagios
5 14 (22.58%) Rancher
6 13 (20.97%) Kubernetes
6 13 (20.97%) ZABBIX
7 12 (19.35%) Sysdig
7 12 (19.35%) vRealize
8 6 (9.68%) Grafana
8 6 (9.68%) Munin
8 6 (9.68%) Salt
9 5 (8.06%) Docker Swarm
9 5 (8.06%) OpenNMS
9 5 (8.06%) vCenter Server
10 4 (6.45%) HAProxy
11 2 (3.23%) Consul
11 2 (3.23%) Graphite
12 1 (1.61%) Icinga
12 1 (1.61%) Observium
Vendors
1 37 (59.68%) Red Hat
2 25 (40.32%) VMware
3 16 (25.81%) Oracle
4 12 (19.35%) AppDynamics
4 12 (19.35%) BMC
4 12 (19.35%) Cisco
4 12 (19.35%) HP
4 12 (19.35%) IBM
4 12 (19.35%) Intel
4 12 (19.35%) New Relic
4 12 (19.35%) ServiceNow
4 12 (19.35%) Splunk
4 12 (19.35%) WorldPay
5 10 (16.13%) Microsoft
6 5 (8.06%) BT
6 5 (8.06%) Cloudera
6 5 (8.06%) Dell
6 5 (8.06%) EMC
6 5 (8.06%) Hortonworks
6 5 (8.06%) NetApp