Period
to 22 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Oxfordshire 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
South East > Oxfordshire
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 154 166 153
Rank change year-on-year +12 -13 +16
Permanent jobs citing CentOS 23 5 35
As % of all permanent IT jobs advertised in Oxfordshire 0.76% 0.17% 1.05%
As % of the Operating Systems category 3.07% 0.55% 3.60%
Number of salaries quoted 20 5 63
Oxfordshire median annual salary £50,000 £35,000 £42,500
Median salary % change year-on-year +42.86% -17.65% -15.00%
10th Percentile £32,250 £32,250 £35,000
90th Percentile £55,500 £46,000 £53,750
South East median annual salary £45,000 £50,000 £42,500
% change year-on-year -10.00% +17.65% -

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 Oxfordshire with a requirement for operating system skills.

All Operating Systems
Oxfordshire
Permanent vacancies with a requirement for operating system skills 749 912 971
As % of all permanent IT jobs advertised in Oxfordshire 24.69% 30.94% 29.16%
Number of salaries quoted 609 733 738
Oxfordshire median annual salary £45,000 £44,500 £40,000
Median salary % change year-on-year +1.12% +11.25% +15.94%
10th Percentile £25,000 £23,869 £23,750
90th Percentile £63,000 £67,500 £60,000
South East median annual salary £40,000 £42,500 £40,000
% change year-on-year -5.88% +6.25% -

CentOS
Job Vacancy Trend in Oxfordshire

Job postings citing CentOS as a percentage of all IT jobs advertised in Oxfordshire.

Job vacancy trend for CentOS in Oxfordshire

CentOS
Salary Trend in Oxfordshire

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

Salary trend for CentOS in Oxfordshire

CentOS
Salary Histogram in Oxfordshire

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

Salary histogram for CentOS in Oxfordshire

CentOS
Job Locations in Oxfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the Oxfordshire 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
Oxford +3 11 £50,000 +45.99% 2
Abingdon +11 4 £50,000 - 1
Witney - 4 £40,000 -
Banbury - 1 £60,000 - 1
CentOS
South East

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 Oxfordshire region with a requirement for CentOS.

1 23 (100.00%) Linux
2 18 (78.26%) Python
3 12 (52.17%) Configuration Management
4 11 (47.83%) PostgreSQL
5 10 (43.48%) Degree
6 9 (39.13%) Docker
7 8 (34.78%) nginx
7 8 (34.78%) Unix
8 7 (30.43%) C++
8 7 (30.43%) Git (software)
8 7 (30.43%) Puppet
9 6 (26.09%) Ruby
9 6 (26.09%) Network Security
9 6 (26.09%) Java
9 6 (26.09%) MySQL
9 6 (26.09%) LDAP
9 6 (26.09%) DHCP
9 6 (26.09%) DNS
10 5 (21.74%) Internet
10 5 (21.74%) CSS
10 5 (21.74%) JavaScript
10 5 (21.74%) HTML
10 5 (21.74%) C
10 5 (21.74%) Red Hat
10 5 (21.74%) Apache
10 5 (21.74%) Amazon AWS
10 5 (21.74%) Bash Shell
10 5 (21.74%) Scala
11 4 (17.39%) Continuous Integration
11 4 (17.39%) Test Automation

CentOS
Co-occurring IT Skills in Oxfordshire 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 8 (34.78%) nginx
2 5 (21.74%) Apache
3 4 (17.39%) Confluence
4 3 (13.04%) lighttpd
5 1 (4.35%) Elasticsearch
5 1 (4.35%) OpenStack
Cloud Services
1 5 (21.74%) Amazon AWS
2 3 (13.04%) Microsoft Azure
2 3 (13.04%) OpenShift
2 3 (13.04%) SaaS
Communications & Networking
1 6 (26.09%) DHCP
1 6 (26.09%) DNS
1 6 (26.09%) LDAP
1 6 (26.09%) Network Security
2 5 (21.74%) Internet
3 4 (17.39%) Firewall
4 3 (13.04%) BGP
4 3 (13.04%) Cisco IOS
4 3 (13.04%) IPsec
4 3 (13.04%) IPv4
4 3 (13.04%) IPv6
4 3 (13.04%) Junos
4 3 (13.04%) OpenVPN
4 3 (13.04%) OSPF
4 3 (13.04%) SSH
4 3 (13.04%) SSL
4 3 (13.04%) VLAN
5 1 (4.35%) Broadband
5 1 (4.35%) FTP
5 1 (4.35%) HTTP
Database & Business Intelligence
1 11 (47.83%) PostgreSQL
2 6 (26.09%) MySQL
3 4 (17.39%) SQL Server
4 3 (13.04%) InfluxDB
5 2 (8.70%) Big Data
5 2 (8.70%) MongoDB
6 1 (4.35%) Amazon DynamoDB
6 1 (4.35%) MariaDB
Development Applications
1 7 (30.43%) Git (software)
2 4 (17.39%) Jenkins
2 4 (17.39%) JIRA
3 3 (13.04%) Subversion
4 1 (4.35%) TeamCity
4 1 (4.35%) Vagrant
Job Titles
1 7 (30.43%) Developer
2 5 (21.74%) Applications Engineer
2 5 (21.74%) Database Engineer
2 5 (21.74%) Systems Engineer
3 4 (17.39%) Administrator
3 4 (17.39%) Systems Administrator
4 3 (13.04%) Cisco Engineer
4 3 (13.04%) Cisco Network Engineer
4 3 (13.04%) DevOps Engineer
4 3 (13.04%) Java Developer
4 3 (13.04%) Juniper Engineer
4 3 (13.04%) Linux Administrator
4 3 (13.04%) Linux Systems Administrator
4 3 (13.04%) Network Engineer
4 3 (13.04%) Network Security Engineer
4 3 (13.04%) Security Engineer
4 3 (13.04%) Unix Administrator
4 3 (13.04%) Unix Engineer
4 3 (13.04%) Unix Linux Systems Administrator
4 3 (13.04%) Unix Systems Administrator
Libraries, Frameworks & Software Standards
1 5 (21.74%) CSS
1 5 (21.74%) HTML
2 4 (17.39%) AngularJS
2 4 (17.39%) Hibernate
2 4 (17.39%) RESTful
2 4 (17.39%) Spring
2 4 (17.39%) Web Services
3 3 (13.04%) LAPP Stack
3 3 (13.04%) SAML
4 1 (4.35%) LAMP
4 1 (4.35%) LEMP Stack
Miscellaneous
1 3 (13.04%) Computer Science
1 3 (13.04%) Replication
2 1 (4.35%) Data Centre
2 1 (4.35%) Greenfield Project
Operating Systems
1 23 (100.00%) Linux
2 8 (34.78%) Unix
3 4 (17.39%) Amazon Linux
4 3 (13.04%) FreeBSD
4 3 (13.04%) Ubuntu
5 2 (8.70%) Debian
6 1 (4.35%) Red Hat Enterprise Linux
6 1 (4.35%) Windows
Processes & Methodologies
1 12 (52.17%) Configuration Management
2 4 (17.39%) Continuous Integration
2 4 (17.39%) DevOps
2 4 (17.39%) Test Automation
3 3 (13.04%) Change Control
3 3 (13.04%) Continuous Deployment
3 3 (13.04%) Disaster Recovery
3 3 (13.04%) OWASP
3 3 (13.04%) Pair Programming
3 3 (13.04%) Software Engineering
3 3 (13.04%) Statistics
4 2 (8.70%) Agile Software Development
4 2 (8.70%) Migration
5 1 (4.35%) Deep Learning
5 1 (4.35%) Mentoring
5 1 (4.35%) Microservices
5 1 (4.35%) OO PHP
5 1 (4.35%) Security Architecture
5 1 (4.35%) TDD
5 1 (4.35%) Web Development
Programming Languages
1 18 (78.26%) Python
2 7 (30.43%) C++
3 6 (26.09%) Java
3 6 (26.09%) Ruby
4 5 (21.74%) Bash Shell
4 5 (21.74%) C
4 5 (21.74%) JavaScript
4 5 (21.74%) Scala
5 4 (17.39%) Go
5 4 (17.39%) HQL
5 4 (17.39%) Rust
5 4 (17.39%) T-SQL
6 3 (13.04%) Perl
7 2 (8.70%) PHP
7 2 (8.70%) PowerShell
8 1 (4.35%) SQL
Qualifications
1 10 (43.48%) Degree
2 3 (13.04%) CCNP
2 3 (13.04%) Cisco Certification
3 1 (4.35%) AWS Certification
3 1 (4.35%) Computer Science Degree
System Software
1 9 (39.13%) Docker
2 3 (13.04%) Postfix
2 3 (13.04%) Varnish
Systems Management
1 7 (30.43%) Puppet
2 4 (17.39%) Ansible
2 4 (17.39%) Kubernetes
2 4 (17.39%) Opscode Chef
3 3 (13.04%) Cacti
3 3 (13.04%) Nagios
4 2 (8.70%) Rancher
5 1 (4.35%) Salt
5 1 (4.35%) Terraform
Vendors
1 5 (21.74%) Red Hat
2 4 (17.39%) Microsoft
3 3 (13.04%) Cisco
3 3 (13.04%) Juniper
4 1 (4.35%) Atlassian
4 1 (4.35%) Google