Period
to 22 November 2017

The following table provides summary statistics for permanent job vacancies advertised in the East Midlands 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 22 November 2017 with a comparison to the same period in the previous 2 years.

CentOS Linux
England > East Midlands
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 215 219 257
Rank change year-on-year +4 +38 -12
Permanent jobs citing CentOS 14 49 18
As % of all permanent IT jobs advertised in the East Midlands 0.27% 0.74% 0.24%
As % of the Operating Systems category 1.25% 3.12% 1.08%
Number of salaries quoted 11 31 11
East Midlands median annual salary £42,500 £37,500 £30,000
Median salary % change year-on-year +13.33% +25.00% -7.69%
10th Percentile £28,000 £27,500 £25,500
90th Percentile £43,750 £67,500 £42,500
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +5.56%

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 Midlands with a requirement for operating system skills.

All Operating Systems
East Midlands
Permanent vacancies with a requirement for operating system skills 1124 1571 1663
As % of all permanent IT jobs advertised in the East Midlands 21.32% 23.84% 22.55%
Number of salaries quoted 941 1226 1319
East Midlands median annual salary £35,000 £37,500 £37,500
Median salary % change year-on-year -6.67% - +6.38%
10th Percentile £21,000 £22,750 £21,250
90th Percentile £58,750 £55,000 £53,750
England median annual salary £45,000 £45,000 £45,000

CentOS
Job Vacancy Trend in the East Midlands

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

Job vacancy trend for CentOS in the East Midlands

CentOS
Salary Trend in the East Midlands

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

Salary trend for CentOS in the East Midlands

CentOS
Salary Histogram in the East Midlands

The salary distribution of IT jobs citing CentOS in the East Midlands over the 6 months to 22 November 2017.

Salary histogram for CentOS in the East Midlands

CentOS
Job Locations in the East Midlands

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the East Midlands region over the 6 months to 22 November 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
Nottinghamshire -6 6 £42,500 +21.43% 2
Northamptonshire - 3 £42,500 -
Lincolnshire -2 2 £28,000 -17.04%
Derbyshire -3 2 - -
Leicestershire +17 1 £25,000 -47.92%
CentOS
England

For the 6 months to 22 November 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 East Midlands region with a requirement for CentOS.

1 14 (100.00%) Linux
2 12 (85.71%) Red Hat
3 8 (57.14%) Red Hat Enterprise Linux
3 8 (57.14%) Bash Shell
3 8 (57.14%) Python
3 8 (57.14%) MySQL
3 8 (57.14%) Nagios
3 8 (57.14%) DevOps
4 7 (50.00%) Ansible
4 7 (50.00%) LEMP Stack
4 7 (50.00%) nginx
5 6 (42.86%) Memcached
5 6 (42.86%) Agile Software Development
6 5 (35.71%) Microsoft
7 4 (28.57%) Firewall
8 3 (21.43%) Ubuntu
8 3 (21.43%) SQL Server
9 2 (14.29%) Microsoft Office
9 2 (14.29%) Windows
9 2 (14.29%) Solaris
9 2 (14.29%) LAN
9 2 (14.29%) WAN
9 2 (14.29%) SLA
9 2 (14.29%) Cisco
9 2 (14.29%) Terminal Services
9 2 (14.29%) Windows Server 2003
9 2 (14.29%) SUSE
9 2 (14.29%) PostgreSQL
9 2 (14.29%) VMware
9 2 (14.29%) VMware Workstation

CentOS
Co-occurring IT Skills in the East Midlands 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 7 (50.00%) nginx
2 1 (7.14%) Elasticsearch
Applications
1 2 (14.29%) Microsoft Office
Cloud Services
1 1 (7.14%) Amazon AWS
1 1 (7.14%) Office 365
1 1 (7.14%) SaaS
Communications & Networking
1 4 (28.57%) Firewall
2 2 (14.29%) LAN
2 2 (14.29%) Network Security
2 2 (14.29%) WAN
3 1 (7.14%) TCP/IP
Database & Business Intelligence
1 8 (57.14%) MySQL
2 3 (21.43%) SQL Server
3 2 (14.29%) MariaDB
3 2 (14.29%) PostgreSQL
4 1 (7.14%) Oracle Database
4 1 (7.14%) SQL Server Reporting Services
Development Applications
1 2 (14.29%) Git (software)
1 2 (14.29%) Subversion
2 1 (7.14%) Jenkins
2 1 (7.14%) TeamCity
General
1 1 (7.14%) Back Office
1 1 (7.14%) Finance
Job Titles
1 9 (64.29%) Administrator
1 9 (64.29%) Systems Administrator
2 8 (57.14%) Linux Administrator
2 8 (57.14%) Linux Systems Administrator
3 6 (42.86%) DevOps Administrator
3 6 (42.86%) Linux DevOps Administrator
3 6 (42.86%) Linux/Unix DevOps
4 2 (14.29%) Escalation Engineer
4 2 (14.29%) Infrastructure Technician
4 2 (14.29%) Support Engineer
5 1 (7.14%) IT Support
5 1 (7.14%) Senior Linux Administrator
5 1 (7.14%) Senior Linux Systems Administrator
5 1 (7.14%) Senior Systems Administrator
5 1 (7.14%) Unix Administrator
5 1 (7.14%) Unix Systems Administrator
Libraries, Frameworks & Software Standards
1 7 (50.00%) LEMP Stack
2 6 (42.86%) Memcached
3 1 (7.14%) LAMP
Miscellaneous
1 1 (7.14%) Digital Media
1 1 (7.14%) Linux Command Line
Operating Systems
1 14 (100.00%) Linux
2 8 (57.14%) Red Hat Enterprise Linux
3 3 (21.43%) Ubuntu
4 2 (14.29%) Solaris
4 2 (14.29%) SUSE
4 2 (14.29%) Windows
4 2 (14.29%) Windows Server
4 2 (14.29%) Windows Server 2003
4 2 (14.29%) Windows Server 2012
5 1 (7.14%) Fedora
5 1 (7.14%) Unix
Processes & Methodologies
1 8 (57.14%) DevOps
2 6 (42.86%) Agile Software Development
3 2 (14.29%) Virtual Environments
4 1 (7.14%) Data Protection
4 1 (7.14%) ITIL
4 1 (7.14%) Mentoring
4 1 (7.14%) Root Cause Analysis
4 1 (7.14%) Server Building
4 1 (7.14%) Software Delivery
4 1 (7.14%) Task Automation
4 1 (7.14%) Test Automation
4 1 (7.14%) Workflow
Programming Languages
1 8 (57.14%) Bash Shell
1 8 (57.14%) Python
2 1 (7.14%) PHP
2 1 (7.14%) PL/SQL
2 1 (7.14%) PowerShell
2 1 (7.14%) SQL
2 1 (7.14%) T-SQL
Qualifications
1 1 (7.14%) Degree
Quality Assurance & Compliance
1 2 (14.29%) SLA
System Software
1 2 (14.29%) Terminal Services
1 2 (14.29%) VMware Infrastructure
1 2 (14.29%) VMware Workstation
2 1 (7.14%) Active Directory
Systems Management
1 8 (57.14%) Nagios
2 7 (50.00%) Ansible
3 1 (7.14%) Opscode Chef
3 1 (7.14%) Salt
3 1 (7.14%) systemd
Vendors
1 12 (85.71%) Red Hat
2 5 (35.71%) Microsoft
3 2 (14.29%) Acronis
3 2 (14.29%) Cisco
3 2 (14.29%) Draytek
3 2 (14.29%) Kerio
3 2 (14.29%) VMware
4 1 (7.14%) Oracle
4 1 (7.14%) SaltStack