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

CentOS Linux
England > East of England
6 months to
23 Oct 2018
Same period 2017 Same period 2016
Rank 267 297 312
Rank change year-on-year +30 +15 +44
Permanent jobs citing CentOS 62 60 49
As % of all permanent IT jobs advertised in the East of England 0.59% 0.51% 0.37%
As % of the Operating Systems category 2.33% 1.92% 1.55%
Number of salaries quoted 38 48 49
East of England median annual salary £43,500 £50,000 £49,000
Median salary % change year-on-year -13.00% +2.04% +8.89%
10th Percentile £33,750 £30,575 £32,500
90th Percentile £72,900 £75,375 £57,750
England median annual salary £55,000 £50,000 £50,000
% change year-on-year +10.00% - +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 2,658 3,133 3,164
As % of all permanent IT jobs advertised in the East of England 25.21% 26.78% 24.14%
Number of salaries quoted 1,950 2,600 2,654
East of England median annual salary £45,000 £42,500 £42,500
Median salary % change year-on-year +5.88% - +2.41%
10th Percentile £24,750 £23,500 £23,750
90th Percentile £70,000 £65,000 £65,000
England median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - +0.56%

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 23 October 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 23 October 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 +29 27 £52,500 +5.00% 5
Suffolk - 13 £53,750 - 1
Bedfordshire +14 11 £40,000 -14.44% 2
Hertfordshire -13 11 £55,000 +10.00% 3
CentOS
England

For the 6 months to 23 October 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 37 (59.68%) Red Hat
3 36 (58.06%) Windows
4 32 (51.61%) Red Hat Enterprise Linux
5 30 (48.39%) Python
6 29 (46.77%) VMware
6 29 (46.77%) VMware Infrastructure
6 29 (46.77%) Bash Shell
7 28 (45.16%) Ubuntu
8 27 (43.55%) Ansible
8 27 (43.55%) Windows Server
9 25 (40.32%) Docker
9 25 (40.32%) Puppet
10 23 (37.10%) PowerShell
11 20 (32.26%) Microsoft
12 17 (27.42%) Cisco Certification
12 17 (27.42%) DNS
12 17 (27.42%) Configuration Management
12 17 (27.42%) Agile Software Development
13 16 (25.81%) High Availability
13 16 (25.81%) DevOps
14 15 (24.19%) CCNA
15 14 (22.58%) Active Directory
15 14 (22.58%) Finance
15 14 (22.58%) Nagios
15 14 (22.58%) Git (software)
16 13 (20.97%) Test Automation
16 13 (20.97%) VirtualBox
16 13 (20.97%) DV Cleared
16 13 (20.97%) Security Cleared

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 (17.74%) OpenStack
2 10 (16.13%) Confluence
3 8 (12.90%) Apache
3 8 (12.90%) WebLogic
4 6 (9.68%) WebSphere
5 4 (6.45%) nginx
6 3 (4.84%) IIS
6 3 (4.84%) SharePoint
6 3 (4.84%) Skype for Business
7 2 (3.23%) BizTalk Server
7 2 (3.23%) Tomcat
7 2 (3.23%) WordPress
Applications
1 5 (8.06%) Microsoft Office
2 2 (3.23%) Microsoft Excel
2 2 (3.23%) Microsoft Project
2 2 (3.23%) MS Visio
Business Applications
1 6 (9.68%) Documaker
2 2 (3.23%) Temenos T24
Cloud Services
1 10 (16.13%) Amazon AWS
2 7 (11.29%) Microsoft Azure
3 6 (9.68%) GitHub
3 6 (9.68%) IaaS
4 5 (8.06%) Office 365
5 1 (1.61%) npm
5 1 (1.61%) NuGet
Communications & Networking
1 17 (27.42%) DNS
2 10 (16.13%) DHCP
2 10 (16.13%) Firewall
2 10 (16.13%) VLAN
3 9 (14.52%) Cisco Nexus
3 9 (14.52%) SAN
4 8 (12.90%) HTTPS
4 8 (12.90%) SNMP
4 8 (12.90%) SSL
4 8 (12.90%) TCP/IP
5 6 (9.68%) Cisco IOS
5 6 (9.68%) FTP
5 6 (9.68%) HTTP
5 6 (9.68%) ICMP
5 6 (9.68%) IMAP
5 6 (9.68%) IPsec
5 6 (9.68%) Network Security
5 6 (9.68%) SSH
5 6 (9.68%) Telnet
5 6 (9.68%) WPA2
Database & Business Intelligence
1 10 (16.13%) SQL Server
2 8 (12.90%) Oracle Database
3 7 (11.29%) Big Data
4 6 (9.68%) MongoDB
5 3 (4.84%) MySQL
5 3 (4.84%) Relational Database
6 2 (3.23%) MariaDB
6 2 (3.23%) PostgreSQL
7 1 (1.61%) NoSQL
7 1 (1.61%) RDBMS
Development Applications
1 14 (22.58%) Git (software)
2 11 (17.74%) Jenkins
3 10 (16.13%) JIRA
4 8 (12.90%) Atlassian Bamboo
5 7 (11.29%) Octopus Deploy
5 7 (11.29%) TeamCity
6 6 (9.68%) Gerrit
6 6 (9.68%) Selenium
6 6 (9.68%) Sonatype Nexus
7 5 (8.06%) Vagrant
8 2 (3.23%) Bitbucket
8 2 (3.23%) Subversion
9 1 (1.61%) Hudson
9 1 (1.61%) Team Foundation Server
General
1 14 (22.58%) Finance
2 2 (3.23%) Banking
2 2 (3.23%) Marketing
3 1 (1.61%) Automotive
3 1 (1.61%) Retail
Job Titles
1 16 (25.81%) Administrator
2 14 (22.58%) DevOps Engineer
3 13 (20.97%) Systems Administrator
4 12 (19.35%) Linux Administrator
5 9 (14.52%) Linux Engineer
5 9 (14.52%) Linux Systems Administrator
6 8 (12.90%) Windows Administrator
7 7 (11.29%) Analyst
8 6 (9.68%) Automation Test Analyst
8 6 (9.68%) Infrastructure Engineer
8 6 (9.68%) Senior DevOps
8 6 (9.68%) Senior DevOps Engineer
8 6 (9.68%) Test Analyst
8 6 (9.68%) Windows Systems Administrator
9 5 (8.06%) Linux/Unix DevOps
9 5 (8.06%) Platform Engineer
9 5 (8.06%) Support Engineer
9 5 (8.06%) Technical Leader
10 4 (6.45%) DevOps Administrator
10 4 (6.45%) IT Administrator
Libraries, Frameworks & Software Standards
1 10 (16.13%) Web Services
2 8 (12.90%) Middleware
3 6 (9.68%) RESTful
3 6 (9.68%) SOAP
3 6 (9.68%) YAML
4 4 (6.45%) Elastic Stack
5 3 (4.84%) HTML
5 3 (4.84%) OAuth
5 3 (4.84%) SAML
6 2 (3.23%) AngularJS
6 2 (3.23%) CSS
6 2 (3.23%) J2EE
6 2 (3.23%) jQuery
6 2 (3.23%) LAMP
6 2 (3.23%) LAPP Stack
6 2 (3.23%) LDAP
6 2 (3.23%) REST
7 1 (1.61%) HTML5
7 1 (1.61%) Node.js
7 1 (1.61%) OpenID
Miscellaneous
1 11 (17.74%) Analytical Skills
2 5 (8.06%) Enterprise Storage
3 4 (6.45%) LPAR
4 3 (4.84%) Computer Science
4 3 (4.84%) Hybrid Cloud
5 2 (3.23%) Algorithms
5 2 (3.23%) Clustering
5 2 (3.23%) CMDB
5 2 (3.23%) Cybercrime
5 2 (3.23%) Data Centre
5 2 (3.23%) Self-Motivation
5 2 (3.23%) Smartphone
6 1 (1.61%) Replication
Operating Systems
1 62 (100.00%) Linux
2 36 (58.06%) Windows
3 32 (51.61%) Red Hat Enterprise Linux
4 28 (45.16%) Ubuntu
5 27 (43.55%) Windows Server
6 11 (17.74%) Windows Server 2012
7 9 (14.52%) Fedora
8 8 (12.90%) Debian
9 6 (9.68%) Android
9 6 (9.68%) Solaris
9 6 (9.68%) Windows Server 2008
10 4 (6.45%) AIX
10 4 (6.45%) SUSE
10 4 (6.45%) Unix
11 3 (4.84%) Windows 10
11 3 (4.84%) Windows Server 2003
12 2 (3.23%) Mac OS
12 2 (3.23%) Mac OS X
12 2 (3.23%) Windows 7
13 1 (1.61%) Windows 8
Processes & Methodologies
1 17 (27.42%) Agile Software Development
1 17 (27.42%) Configuration Management
2 16 (25.81%) DevOps
2 16 (25.81%) High Availability
3 13 (20.97%) Disaster Recovery
3 13 (20.97%) SDLC
3 13 (20.97%) Test Automation
4 12 (19.35%) Task Automation
5 10 (16.13%) Release Management
6 9 (14.52%) ITIL
7 8 (12.90%) Infrastructure Engineering
7 8 (12.90%) Root Cause Analysis
7 8 (12.90%) Service Delivery
7 8 (12.90%) Service Management
8 7 (11.29%) Capacity Planning
8 7 (11.29%) Change Management
8 7 (11.29%) V-Model
8 7 (11.29%) Waterfall
9 6 (9.68%) Integration Testing
9 6 (9.68%) Open Source
Programming Languages
1 30 (48.39%) Python
2 29 (46.77%) Bash Shell
3 23 (37.10%) PowerShell
4 12 (19.35%) JavaScript
5 11 (17.74%) C
6 10 (16.13%) SQL
7 8 (12.90%) Shell Script
8 7 (11.29%) PHP
9 5 (8.06%) Perl
10 3 (4.84%) Java
11 1 (1.61%) C#
11 1 (1.61%) Ruby
11 1 (1.61%) VBScript
Qualifications
1 17 (27.42%) Cisco Certification
2 15 (24.19%) CCNA
3 13 (20.97%) DV Cleared
3 13 (20.97%) Security Cleared
4 5 (8.06%) CISSP
4 5 (8.06%) CompTIA Security+
4 5 (8.06%) Degree
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 4 (6.45%) LPIC
6 2 (3.23%) Computer Science Degree
6 2 (3.23%) ITIL Certification
6 2 (3.23%) MCP
Quality Assurance & Compliance
1 6 (9.68%) SLA
2 5 (8.06%) ISO/IEC 27001
2 5 (8.06%) PCI DSS
3 3 (4.84%) GDPR
4 2 (3.23%) Sarbanes-Oxley
System Software
1 29 (46.77%) VMware Infrastructure
2 25 (40.32%) Docker
3 14 (22.58%) Active Directory
4 13 (20.97%) Virtual Machines
4 13 (20.97%) VirtualBox
5 12 (19.35%) Samba
5 12 (19.35%) vSphere
6 8 (12.90%) NFS
6 8 (12.90%) VMware ESXi
7 7 (11.29%) Xen
8 5 (8.06%) VMware NSX
9 4 (6.45%) PowerHA
10 1 (1.61%) Shibboleth
Systems Management
1 27 (43.55%) Ansible
2 25 (40.32%) Puppet
3 14 (22.58%) Nagios
4 13 (20.97%) Kubernetes
5 12 (19.35%) Opscode Chef
6 11 (17.74%) vRealize
7 10 (16.13%) ZABBIX
8 9 (14.52%) Docker Swarm
8 9 (14.52%) vCenter Server
9 7 (11.29%) OpenNMS
9 7 (11.29%) Rancher
10 6 (9.68%) Sysdig
11 5 (8.06%) Grafana
11 5 (8.06%) vRealize Orchestrator
12 4 (6.45%) EMC NetWorker
12 4 (6.45%) HAProxy
12 4 (6.45%) Tivoli Storage Manager
13 3 (4.84%) SCCM
13 3 (4.84%) SCOM
13 3 (4.84%) SCOrch
Vendors
1 37 (59.68%) Red Hat
2 29 (46.77%) VMware
3 20 (32.26%) Microsoft
4 11 (17.74%) Cisco
5 10 (16.13%) Oracle
5 10 (16.13%) SolarWinds
6 9 (14.52%) EMC
6 9 (14.52%) HP
7 8 (12.90%) NetApp
8 7 (11.29%) Cloudera
8 7 (11.29%) Hortonworks
9 6 (9.68%) AppDynamics
9 6 (9.68%) BMC
9 6 (9.68%) IBM
9 6 (9.68%) Intel
9 6 (9.68%) New Relic
9 6 (9.68%) ServiceNow
9 6 (9.68%) Splunk
9 6 (9.68%) WorldPay
10 5 (8.06%) Dell