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 3 months to 25 June 2017 with a comparison to the same period in the previous 2 years.

CentOS Linux
England / East of England
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 225 237 252
Rank change year-on-year +12 +15  
Permanent jobs citing CentOS 30 24 37
As % of all permanent IT jobs advertised in the East of England 0.49% 0.36% 0.45%
As % of the Operating Systems category 1.91% 1.47% 1.73%
Number of salaries quoted 26 23 37
Median salary £50,000 £47,500 £45,000
Median salary % change year-on-year +5.26% +5.55%  
90% offered a salary of more than £28,250 £36,500 £39,000
10% offered a salary of more than £68,750 £56,000 £55,000
UK excluding London median salary £45,000 £47,500 £40,000
% change year-on-year -5.26% +18.75%  

CentOS is in the operating system skills category. The next 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.

Operating System Skills
East of England
Permanent job vacancies with a requirement for operating system skills 1572 1637 2137
As % of all permanent IT job vacancies advertised in the East of England 25.68% 24.32% 26.06%
Number of salaries quoted 1285 1390 1657
Median salary £40,000 £41,500 £40,000
Median salary % change year-on-year -3.61% +3.75%  
90% offered a salary of more than £25,000 £25,000 £24,000
10% offered a salary of more than £60,000 £55,000 £60,000
UK excluding London median salary £37,500 £37,500 £37,500

CentOS
Job Vacancy Trend in the East of England

The job posting trend of jobs advertised in the East of England citing CentOS as a proportion of all permanent or contract IT jobs with a match in the Operating Systems category.

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 3 months to 25 June 2017.

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 3 months to 25 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Hertfordshire +3 17 £40,000 -23.80% 1
Cambridgeshire -7 10 £62,500 +47.05% 4
Essex - 3 £35,000 - 3
CentOS
England

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

1 58 (100.00%) Linux
2 35 (60.34%) Red Hat Enterprise Linux
3 34 (58.62%) Bash Shell
4 32 (55.17%) Opscode Chef
5 31 (53.45%) Puppet
6 30 (51.72%) DevOps
7 28 (48.28%) Red Hat
8 26 (44.83%) Windows
9 24 (41.38%) Active Directory
9 24 (41.38%) SAN
10 23 (39.66%) VMware
10 23 (39.66%) Perl
10 23 (39.66%) Amazon AWS
11 22 (37.93%) Python
12 21 (36.21%) Ansible
13 18 (31.03%) Docker
13 18 (31.03%) Grafana
13 18 (31.03%) LAMP
13 18 (31.03%) ZABBIX
13 18 (31.03%) Munin
14 17 (29.31%) VMware Infrastructure
15 15 (25.86%) Marketing
15 15 (25.86%) SQL
16 14 (24.14%) SQL Server
16 14 (24.14%) IIS
17 13 (22.41%) Salt
18 12 (20.69%) Nagios
18 12 (20.69%) Hyper-V
18 12 (20.69%) Open Source
19 10 (17.24%) Data Centre

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 14 (24.14%) IIS
2 9 (15.52%) Apache
3 3 (5.17%) JBoss
3 3 (5.17%) Joomla!
3 3 (5.17%) WordPress
4 1 (1.72%) nginx
4 1 (1.72%) Tomcat
Business Applications
1 3 (5.17%) Magento
1 3 (5.17%) OpenCart
Cloud Services
1 23 (39.66%) Amazon AWS
2 7 (12.07%) IaaS
3 6 (10.34%) AWS CloudFormation
4 4 (6.90%) SaaS
5 3 (5.17%) Amazon CloudWatch
5 3 (5.17%) Cloud Computing
5 3 (5.17%) Microsoft Azure
6 1 (1.72%) Amazon EC2
6 1 (1.72%) Azure Active Directory
6 1 (1.72%) Office 365
Communications & Networking
1 24 (41.38%) SAN
2 10 (17.24%) NAS
3 9 (15.52%) SMTP
4 8 (13.79%) IMAP
4 8 (13.79%) iSCSI
4 8 (13.79%) VLAN
5 6 (10.34%) PPP
6 4 (6.90%) TCP/IP
7 2 (3.45%) Cisco ASA
7 2 (3.45%) Firewall
7 2 (3.45%) SMS
8 1 (1.72%) DHCP
8 1 (1.72%) DNS
8 1 (1.72%) LDAP
8 1 (1.72%) Network Security
8 1 (1.72%) SNMP
Database & Business Intelligence
1 14 (24.14%) SQL Server
2 10 (17.24%) MySQL
3 1 (1.72%) CouchDB
3 1 (1.72%) Hadoop
3 1 (1.72%) MongoDB
3 1 (1.72%) Redis
Development Applications
1 10 (17.24%) Jenkins
2 2 (3.45%) Git (software)
2 2 (3.45%) Maven
3 1 (1.72%) TeamCity
General
1 15 (25.86%) Marketing
2 2 (3.45%) Finance
Job Titles
1 29 (50.00%) Administrator
1 29 (50.00%) Linux Administrator
2 21 (36.21%) Linux Systems Administrator
2 21 (36.21%) Systems Administrator
3 15 (25.86%) DevOps Engineer
4 12 (20.69%) DevOps Administrator
4 12 (20.69%) Linux DevOps Administrator
4 12 (20.69%) Linux/Unix DevOps
5 11 (18.97%) Junior
5 11 (18.97%) Junior DevOps
5 11 (18.97%) Linux Engineer
6 6 (10.34%) AWS Engineer
6 6 (10.34%) Infrastructure Engineer
6 6 (10.34%) Linux Systems Engineer
7 4 (6.90%) Cloud Engineer
7 4 (6.90%) DevOps Systems Engineer
7 4 (6.90%) Linux DevOps Engineer
8 3 (5.17%) IT Engineer
8 3 (5.17%) Junior DevOps Engineer
8 3 (5.17%) Junior Systems Administrator
Libraries, Frameworks & Software Standards
1 18 (31.03%) LAMP
2 6 (10.34%) Web Services
3 1 (1.72%) LEMP Stack
3 1 (1.72%) Memcached
Miscellaneous
1 10 (17.24%) Data Centre
2 4 (6.90%) Cyberthreat
3 3 (5.17%) Computer Science
Operating Systems
1 58 (100.00%) Linux
2 35 (60.34%) Red Hat Enterprise Linux
3 26 (44.83%) Windows
4 9 (15.52%) Ubuntu
5 8 (13.79%) Unix
6 4 (6.90%) Mac OS
7 3 (5.17%) Debian
7 3 (5.17%) SUSE
8 2 (3.45%) AIX
8 2 (3.45%) Windows Server
8 2 (3.45%) Windows Server 2008
8 2 (3.45%) Windows Server 2012
Processes & Methodologies
1 30 (51.72%) DevOps
2 12 (20.69%) Open Source
3 6 (10.34%) Continuous Delivery
3 6 (10.34%) ITIL
3 6 (10.34%) Low Latency
4 5 (8.62%) Project Management
5 4 (6.90%) Artificial Intelligence
5 4 (6.90%) Machine Learning
5 4 (6.90%) Reinforcement Learning
6 3 (5.17%) Cybersecurity
6 3 (5.17%) Performance Tuning
6 3 (5.17%) Software Engineering
7 2 (3.45%) Agile Software Development
7 2 (3.45%) Build Automation
7 2 (3.45%) Configuration Management
7 2 (3.45%) Continuous Integration
7 2 (3.45%) E-Commerce
7 2 (3.45%) Scrum
7 2 (3.45%) Test Automation
8 1 (1.72%) High Availability
Programming Languages
1 34 (58.62%) Bash Shell
2 23 (39.66%) Perl
3 22 (37.93%) Python
4 15 (25.86%) SQL
5 8 (13.79%) Java
5 8 (13.79%) Korn
6 3 (5.17%) C++
6 3 (5.17%) PHP
6 3 (5.17%) Ruby
7 2 (3.45%) Shell Script
Qualifications
1 4 (6.90%) CCNA
1 4 (6.90%) Cisco Certification
2 2 (3.45%) VMware Certified Professional (VCP)
3 1 (1.72%) Degree
Quality Assurance & Compliance
1 3 (5.17%) SLA
System Software
1 24 (41.38%) Active Directory
2 18 (31.03%) Docker
3 17 (29.31%) VMware Infrastructure
4 12 (20.69%) Hyper-V
5 8 (13.79%) KVM
5 8 (13.79%) XenServer
6 3 (5.17%) Virtual Machines
6 3 (5.17%) Xen
7 2 (3.45%) LXC
8 1 (1.72%) Varnish
8 1 (1.72%) vSphere
Systems Management
1 32 (55.17%) Opscode Chef
2 31 (53.45%) Puppet
3 21 (36.21%) Ansible
4 18 (31.03%) Grafana
4 18 (31.03%) Munin
4 18 (31.03%) ZABBIX
5 13 (22.41%) Salt
6 12 (20.69%) Nagios
7 8 (13.79%) SCOM
8 3 (5.17%) Cacti
8 3 (5.17%) cPanel
8 3 (5.17%) Plesk
9 2 (3.45%) Graphite
9 2 (3.45%) Graylog
9 2 (3.45%) Kibana
9 2 (3.45%) Kubernetes
9 2 (3.45%) logstash
Vendors
1 28 (48.28%) Red Hat
2 23 (39.66%) VMware
3 8 (13.79%) HP
4 4 (6.90%) Microsoft
5 3 (5.17%) Cisco
5 3 (5.17%) NetApp
6 2 (3.45%) Google
6 2 (3.45%) Splunk
7 1 (1.72%) Hortonworks
Cambridge, Cambridgeshire
Evolution Recruitment Solutions
Salary: 65k-68k + benefits
Posted: 3 days ago
Cambridge, Cambridgeshire
Technical Futures
Salary: From £40,000 to £50,000 per annum + Excellent Benefits
Posted: 4 days ago
Norwich
FRG Technology Consulting
Salary: £45000 per annum + Pension, Medical health insurance
Posted: 3 days ago
Cambridge, Cambridgeshire
SoCode Limited
Salary: £65k - 68k per year + Pension + Bonus + Package
Posted: 5 days ago
Cambridge, Cambridgeshire
Reed Technology
Salary: £40000 - £60000 per annum + SHARE OPTIONS
Posted: 4 days ago
Welwyn Garden City
Tesco PLC
Salary: Competitive
Posted: 9 days ago
Billericay, Essex
Recruitment Genius
Posted: 4 days ago
Billericay
Recruitment Genius Ltd
Salary: £30000 - £40000 per annum
Posted: 10 days ago
Norwich
Direct Resource Services Ltd
Salary: £0 - £45,000 per year
Posted: 19 days ago