Period
to 7 July 2020

The following table provides summary statistics for permanent job vacancies advertised in Surrey 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 7 July 2020 with a comparison to the same period in the previous 2 years.

CentOS Linux
South East > Surrey
6 months to
7 Jul 2020
Same period 2019 Same period 2018
Rank 129 170 183
Rank change year-on-year +41 +13 +4
Permanent jobs citing CentOS 16 50 60
As % of all permanent jobs advertised in Surrey 0.77% 1.13% 1.12%
As % of the Operating Systems category 2.93% 4.08% 4.29%
Number of salaries quoted 11 49 56
Median annual salary £50,000 £42,500 £67,000
Median salary % change year-on-year +17.65% -36.57% +11.67%
10th Percentile £41,250 £26,250 £36,250
90th Percentile £70,000 £75,000 £85,000
South East median annual salary £45,000 £52,000 £55,000
% change year-on-year -13.46% -5.45% +15.79%

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 Surrey with a requirement for operating system skills.

All Operating Systems
Surrey
Permanent vacancies with a requirement for operating system skills 546 1,225 1,399
As % of all permanent IT jobs advertised in Surrey 26.20% 27.58% 26.22%
Number of salaries quoted 482 1,051 1,217
Median annual salary £47,500 £45,000 £42,500
Median salary % change year-on-year +5.56% +5.88% -
10th Percentile £25,000 £24,976 £24,750
90th Percentile £75,000 £77,500 £67,500
South East median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% +2.41%

CentOS
Job Vacancy Trend in Surrey

Job postings citing CentOS as a proportion of all IT jobs advertised in Surrey.

Job vacancy trend for CentOS in Surrey

CentOS
Salary Trend in Surrey

3-month moving average salary quoted in jobs citing CentOS in Surrey.

Salary trend for CentOS in Surrey

CentOS
Salary Histogram in Surrey

Salary distribution for jobs citing CentOS in Surrey over the 6 months to 7 July 2020.

Salary histogram for CentOS in Surrey

CentOS
Job Locations in Surrey

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the Surrey region over the 6 months to 7 July 2020. 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
Leatherhead +41 4 £50,000 -9.09% 2
Staines -9 4 £42,500 -24.11%
Reigate - 3 £57,500 -
Guildford +28 1 £70,000 -
Redhill 0 1 £70,000 +7.69%
CentOS
South East

For the 6 months to 7 July 2020, 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 Surrey region with a requirement for CentOS.

1 16 (100.00%) Linux
2 9 (56.25%) Python
3 6 (37.50%) SaaS
4 5 (31.25%) Red Hat Enterprise Linux
4 5 (31.25%) DNS
4 5 (31.25%) Red Hat
4 5 (31.25%) Apache
4 5 (31.25%) JavaScript
4 5 (31.25%) Finance
4 5 (31.25%) SC Cleared
4 5 (31.25%) Security Cleared
5 4 (25.00%) Squid
5 4 (25.00%) JIRA
5 4 (25.00%) Atlassian
5 4 (25.00%) Spring
5 4 (25.00%) Software Engineering
5 4 (25.00%) Migration
5 4 (25.00%) Perl
5 4 (25.00%) PHP
5 4 (25.00%) C#
5 4 (25.00%) HTML
5 4 (25.00%) Java
5 4 (25.00%) OO
5 4 (25.00%) HTTP
5 4 (25.00%) HTML5
5 4 (25.00%) KVM
5 4 (25.00%) Docker
5 4 (25.00%) Kubernetes
5 4 (25.00%) Spring Boot
5 4 (25.00%) Redux

CentOS
Co-occurring IT Skills in Surrey 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 (31.25%) Apache
2 1 (6.25%) JBoss
2 1 (6.25%) Tomcat
2 1 (6.25%) WebLogic
2 1 (6.25%) WebSphere
Cloud Services
1 6 (37.50%) SaaS
2 2 (12.50%) Azure
2 2 (12.50%) PaaS
3 1 (6.25%) AWS
3 1 (6.25%) Azure Active Directory
3 1 (6.25%) Azure Data Factory
3 1 (6.25%) Azure ExpressRoute
3 1 (6.25%) IaaS
Communications & Networking
1 5 (31.25%) DNS
2 4 (25.00%) HTTP
3 2 (12.50%) LAN
3 2 (12.50%) TCP/IP
3 2 (12.50%) WAN
4 1 (6.25%) DMZ
4 1 (6.25%) Firewall
Database & Business Intelligence
1 2 (12.50%) SQL Server
1 2 (12.50%) SQL Server 2014
2 1 (6.25%) Azure SQL Database
2 1 (6.25%) MySQL
Development Applications
1 4 (25.00%) JIRA
General
1 5 (31.25%) Finance
2 1 (6.25%) Billing
Job Titles
1 5 (31.25%) Linux Engineer
2 4 (25.00%) Administrator
2 4 (25.00%) Developer
2 4 (25.00%) Java Developer
2 4 (25.00%) Linux Administrator
2 4 (25.00%) Linux Systems Administrator
2 4 (25.00%) SC Cleared Java Developer
2 4 (25.00%) Systems Administrator
3 3 (18.75%) Linux Systems Engineer
3 3 (18.75%) Senior Linux Engineer
3 3 (18.75%) Senior Linux Systems Engineer
3 3 (18.75%) Senior Systems Engineer
3 3 (18.75%) Systems Engineer
4 2 (12.50%) Infrastructure Engineer
5 1 (6.25%) 3rd Line Engineer
5 1 (6.25%) Cloud Engineer
5 1 (6.25%) Linux Infrastructure Engineer
5 1 (6.25%) Platform Engineer
Libraries, Frameworks & Software Standards
1 4 (25.00%) HTML
1 4 (25.00%) HTML5
1 4 (25.00%) Redux
1 4 (25.00%) Spring
1 4 (25.00%) Spring Boot
2 2 (12.50%) LDAP
3 1 (6.25%) LAMP
Miscellaneous
1 4 (25.00%) Greenfield Project
2 2 (12.50%) Clustering
3 1 (6.25%) Data Centre
3 1 (6.25%) Management Information System
Operating Systems
1 16 (100.00%) Linux
2 5 (31.25%) Red Hat Enterprise Linux
3 3 (18.75%) Windows
3 3 (18.75%) Windows Server
3 3 (18.75%) Windows Server 2012
4 2 (12.50%) Windows 7
5 1 (6.25%) Mac OS
5 1 (6.25%) Unix
5 1 (6.25%) Windows Server 2016
Processes & Methodologies
1 4 (25.00%) Migration
1 4 (25.00%) OO
1 4 (25.00%) Problem-Solving
1 4 (25.00%) Software Engineering
2 3 (18.75%) Change Management
3 2 (12.50%) Cybersecurity
3 2 (12.50%) Information Security
3 2 (12.50%) Infrastructure Engineering
3 2 (12.50%) ITIL
3 2 (12.50%) Server Patching
4 1 (6.25%) Coaching
4 1 (6.25%) Concurrent Programming
4 1 (6.25%) Feasibility Study
4 1 (6.25%) Infrastructure as Code
4 1 (6.25%) Mentoring
4 1 (6.25%) Network Virtualisation
4 1 (6.25%) Performance Optimisation
4 1 (6.25%) Performance Tuning
4 1 (6.25%) Scrum
4 1 (6.25%) Stress Testing
Programming Languages
1 9 (56.25%) Python
2 5 (31.25%) JavaScript
3 4 (25.00%) C#
3 4 (25.00%) Java
3 4 (25.00%) Java 8
3 4 (25.00%) Perl
3 4 (25.00%) PHP
4 3 (18.75%) PowerShell
5 1 (6.25%) Shell Script
5 1 (6.25%) SQL
Qualifications
1 5 (31.25%) SC Cleared
1 5 (31.25%) Security Cleared
2 1 (6.25%) MCSE
2 1 (6.25%) Microsoft Certification
2 1 (6.25%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 2 (12.50%) ISO/IEC 27001
System Software
1 4 (25.00%) Docker
1 4 (25.00%) KVM
1 4 (25.00%) Squid
2 2 (12.50%) VMware Infrastructure
3 1 (6.25%) Active Directory
3 1 (6.25%) Virtual Machines
3 1 (6.25%) XenApp
3 1 (6.25%) XenDesktop
Systems Management
1 4 (25.00%) Kubernetes
2 3 (18.75%) Ansible
2 3 (18.75%) Terraform
3 2 (12.50%) Norton AntiVirus
3 2 (12.50%) Puppet
Vendors
1 5 (31.25%) Red Hat
2 4 (25.00%) Atlassian
3 2 (12.50%) Dell
3 2 (12.50%) HP
3 2 (12.50%) McAfee
3 2 (12.50%) Microsoft
3 2 (12.50%) Symantec
3 2 (12.50%) VMware
4 1 (6.25%) Citrix
4 1 (6.25%) Oracle