Period
to 21 September 2018

The following table provides summary statistics for permanent job vacancies advertised in Guildford 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 21 September 2018 with a comparison to the same period in the previous 2 years.

CentOS Linux
Surrey > Guildford
6 months to
21 Sep 2018
Same period 2017 Same period 2016
Rank 90 78 94
Rank change year-on-year -12 +16 +16
Permanent jobs citing CentOS 7 10 5
As % of all permanent IT jobs advertised in Guildford 0.81% 1.32% 0.51%
As % of the Operating Systems category 2.41% 3.29% 1.43%
Number of salaries quoted 7 10 5
Guildford median annual salary £50,000 £65,000 £30,000
Median salary % change year-on-year -23.08% +116.67% -42.86%
10th Percentile £41,600 £60,450 £24,000
90th Percentile £62,500 £67,500 £46,750
Surrey median annual salary £74,000 £60,000 £55,000
% change year-on-year +23.33% +9.09% +10.00%

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 Guildford with a requirement for operating system skills.

All Operating Systems
Guildford
Permanent vacancies with a requirement for operating system skills 291 304 350
As % of all permanent IT jobs advertised in Guildford 33.56% 40.16% 35.57%
Number of salaries quoted 264 275 292
Guildford median annual salary £40,000 £35,000 £42,000
Median salary % change year-on-year +14.29% -16.67% +9.09%
10th Percentile £23,000 £22,400 £24,000
90th Percentile £70,000 £58,750 £61,125
Surrey median annual salary £45,000 £42,500 £45,000
% change year-on-year +5.88% -5.56% +5.88%

CentOS
Job Vacancy Trend in Guildford

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

Job vacancy trend for CentOS in Guildford

CentOS
Salary Trend in Guildford

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

Salary trend for CentOS in Guildford

CentOS
Salary Histogram in Guildford

The salary distribution of IT jobs citing CentOS in Guildford over the 6 months to 21 September 2018.

Salary histogram for CentOS in Guildford

For the 6 months to 21 September 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 Guildford region with a requirement for CentOS.

1 7 (100.00%) Windows
1 7 (100.00%) Linux
1 7 (100.00%) Python
2 5 (71.43%) Apache
2 5 (71.43%) Red Hat Enterprise Linux
3 4 (57.14%) Amazon AWS
3 4 (57.14%) Telecoms
3 4 (57.14%) VMware
4 3 (42.86%) Software Engineering
4 3 (42.86%) SQL
4 3 (42.86%) C++
4 3 (42.86%) Open Source
4 3 (42.86%) Django
4 3 (42.86%) Multithreading
4 3 (42.86%) Multithreaded Programming
5 2 (28.57%) Creative Thinking
5 2 (28.57%) Microsoft Azure
5 2 (28.57%) VMware Infrastructure
5 2 (28.57%) vSphere
5 2 (28.57%) Bash Shell
5 2 (28.57%) MongoDB
5 2 (28.57%) Windows Server 2012
5 2 (28.57%) Jenkins
5 2 (28.57%) Cybersecurity
5 2 (28.57%) Elasticsearch
5 2 (28.57%) Opscode Chef
5 2 (28.57%) HAProxy
5 2 (28.57%) DevOps
5 2 (28.57%) Machine to Machine
5 2 (28.57%) Google Cloud Platform

CentOS
Co-occurring IT Skills in Guildford 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 5 (71.43%) Apache
2 2 (28.57%) Elasticsearch
Cloud Services
1 4 (57.14%) Amazon AWS
2 2 (28.57%) Google Cloud Platform
2 2 (28.57%) Microsoft Azure
Communications & Networking
1 2 (28.57%) IPsec
1 2 (28.57%) IPv4
1 2 (28.57%) VLAN
Database & Business Intelligence
1 2 (28.57%) MongoDB
1 2 (28.57%) MySQL
1 2 (28.57%) PostgreSQL
Development Applications
1 2 (28.57%) Jenkins
1 2 (28.57%) Subversion
General
1 4 (57.14%) Telecoms
2 2 (28.57%) Back Office
2 2 (28.57%) Finance
2 2 (28.57%) Games
Job Titles
1 4 (57.14%) Administrator
1 4 (57.14%) Systems Administrator
2 2 (28.57%) C++ Developer
2 2 (28.57%) C++ Software Developer
2 2 (28.57%) Developer
2 2 (28.57%) DevOps Administrator
2 2 (28.57%) DevOps Engineer
2 2 (28.57%) DevOps Systems Engineer
2 2 (28.57%) Linux Administrator
2 2 (28.57%) Linux Developer
2 2 (28.57%) Linux Systems Administrator
3 1 (14.29%) C++ Software Engineer
3 1 (14.29%) Software Engineer
Libraries, Frameworks & Software Standards
1 3 (42.86%) Django
2 2 (28.57%) ActiveMQ
2 2 (28.57%) LAMP
2 2 (28.57%) Web Services
Miscellaneous
1 2 (28.57%) Data Centre
1 2 (28.57%) Machine to Machine
Operating Systems
1 7 (100.00%) Linux
1 7 (100.00%) Windows
2 5 (71.43%) Red Hat Enterprise Linux
3 2 (28.57%) Windows Server 2012
Processes & Methodologies
1 3 (42.86%) Multithreaded Programming
1 3 (42.86%) Multithreading
1 3 (42.86%) Open Source
1 3 (42.86%) Software Engineering
2 2 (28.57%) Agile Software Development
2 2 (28.57%) Configuration Management
2 2 (28.57%) Creative Thinking
2 2 (28.57%) Cybersecurity
2 2 (28.57%) DevOps
2 2 (28.57%) Risk Management
2 2 (28.57%) Scrum
Programming Languages
1 7 (100.00%) Python
2 3 (42.86%) C++
2 3 (42.86%) SQL
3 2 (28.57%) Bash Shell
3 2 (28.57%) Perl
3 2 (28.57%) PHP
3 2 (28.57%) Ruby
4 1 (14.29%) JavaScript
Qualifications
1 1 (14.29%) SC Cleared
1 1 (14.29%) Security Cleared
Quality Assurance & Compliance
1 2 (28.57%) GCP
System Software
1 2 (28.57%) iptables
1 2 (28.57%) VMware Infrastructure
1 2 (28.57%) vSphere
Systems Management
1 2 (28.57%) HAProxy
1 2 (28.57%) Nagios
1 2 (28.57%) Opscode Chef
Vendors
1 4 (57.14%) VMware
2 2 (28.57%) Cisco
2 2 (28.57%) Dell
2 2 (28.57%) HP