Period
to 16 November 2019

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 16 November 2019 with a comparison to the same period in the previous 2 years.

CentOS Linux
South East > Surrey
6 months to
16 Nov 2019
Same period 2018 Same period 2017
Rank 175 187 201
Rank change year-on-year +12 +14 -8
Permanent jobs citing CentOS 26 49 64
As % of all permanent IT jobs advertised in Surrey 0.67% 0.98% 1.03%
As % of the Operating Systems category 2.45% 3.21% 3.75%
Number of salaries quoted 22 48 63
Surrey median annual salary £52,500 £74,000 £60,000
Median salary % change year-on-year -29.05% +23.33% +9.09%
10th Percentile £26,375 £45,750 £37,700
90th Percentile £80,625 £74,300 £82,500
South East median annual salary £50,000 £52,500 £45,000
% change year-on-year -4.76% +16.67% -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 Surrey with a requirement for operating system skills.

All Operating Systems
Surrey
Permanent vacancies with a requirement for operating system skills 1,060 1,528 1,705
As % of all permanent IT jobs advertised in Surrey 27.38% 30.43% 27.47%
Number of salaries quoted 943 1,303 1,504
Surrey median annual salary £44,000 £43,500 £44,500
Median salary % change year-on-year +1.15% -2.25% -4.30%
10th Percentile £24,750 £23,750 £23,325
90th Percentile £75,000 £70,000 £62,500
South East median annual salary £42,500 £42,500 £40,000
% change year-on-year - +6.25% -5.88%

CentOS
Job Vacancy Trend in Surrey

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

Job vacancy trend for CentOS in Surrey

CentOS
Salary Trend in Surrey

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

Salary trend for CentOS in Surrey

CentOS
Salary Histogram in Surrey

The salary distribution of IT jobs citing CentOS in Surrey over the 6 months to 16 November 2019.

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 16 November 2019. 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
Redhill +5 7 £63,750 +19.72% 1
Staines -28 4 £76,250 +3.04% 1
Woking - 4 £27,500 - 1
Reigate - 2 - -
Guildford +9 1 £60,000 +6.67%
Chertsey +5 1 £28,000 +7.69%
CentOS
South East

For the 6 months to 16 November 2019, 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 25 (96.15%) Linux
2 19 (73.08%) Red Hat
3 11 (42.31%) ITIL
4 9 (34.62%) Change Management
4 9 (34.62%) Red Hat Enterprise Linux
5 8 (30.77%) Finance
6 7 (26.92%) Firewall
6 7 (26.92%) Perl
6 7 (26.92%) TCP/IP
6 7 (26.92%) DNS
7 6 (23.08%) Active Directory
7 6 (23.08%) SQL
7 6 (23.08%) Windows
7 6 (23.08%) Azure
7 6 (23.08%) Windows Server
8 5 (19.23%) Ansible
8 5 (19.23%) Database Tuning
8 5 (19.23%) Hyper-V
8 5 (19.23%) Veritas Cluster Server
8 5 (19.23%) Ubuntu
8 5 (19.23%) MySQL
9 4 (15.38%) Service Management
9 4 (15.38%) Shell Script
9 4 (15.38%) Firmware
9 4 (15.38%) SAN
9 4 (15.38%) CA
9 4 (15.38%) Veritas
9 4 (15.38%) Cisco Certification
9 4 (15.38%) Oracle
9 4 (15.38%) SQL Server

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 4 (15.38%) IIS
2 3 (11.54%) Apache
3 1 (3.85%) Tomcat
Cloud Services
1 6 (23.08%) Azure
2 3 (11.54%) SaaS
3 2 (7.69%) Azure Active Directory
3 2 (7.69%) Azure Data Factory
3 2 (7.69%) Azure ExpressRoute
3 2 (7.69%) IaaS
3 2 (7.69%) PaaS
4 1 (3.85%) AWS
Communications & Networking
1 7 (26.92%) DNS
1 7 (26.92%) Firewall
1 7 (26.92%) TCP/IP
2 4 (15.38%) DHCP
2 4 (15.38%) Fibre Channel
2 4 (15.38%) HTTPS
2 4 (15.38%) Reverse Proxy
2 4 (15.38%) SAN
2 4 (15.38%) VLAN
2 4 (15.38%) VPN
3 3 (11.54%) LAN
3 3 (11.54%) WAN
4 2 (7.69%) DMZ
5 1 (3.85%) Broadband
5 1 (3.85%) HTTP
Database & Business Intelligence
1 5 (19.23%) MySQL
2 4 (15.38%) MariaDB
2 4 (15.38%) SQL Server
3 2 (7.69%) Azure SQL Database
Development Applications
1 3 (11.54%) Jenkins
2 2 (7.69%) Git (software)
3 1 (3.85%) Artifactory
3 1 (3.85%) JIRA
General
1 8 (30.77%) Finance
2 2 (7.69%) Billing
2 2 (7.69%) Retail
3 1 (3.85%) Korean Language
3 1 (3.85%) Public Sector
Job Titles
1 8 (30.77%) Analyst
2 5 (19.23%) Administrator
3 4 (15.38%) 2nd Line Support
3 4 (15.38%) 2nd Line Support Analyst
3 4 (15.38%) Support Analyst
3 4 (15.38%) Systems Analyst
4 3 (11.54%) DevOps Engineer
4 3 (11.54%) Linux Engineer
4 3 (11.54%) Senior Systems Engineer
4 3 (11.54%) Systems Administrator
4 3 (11.54%) Systems Engineer
5 2 (7.69%) Cloud Engineer
5 2 (7.69%) Senior Systems Administrator
5 2 (7.69%) Unix Administrator
6 1 (3.85%) DBA
6 1 (3.85%) Developer
6 1 (3.85%) Linux Administrator
6 1 (3.85%) Linux Systems Administrator
6 1 (3.85%) Linux Systems Engineer
6 1 (3.85%) Software Developer
Libraries, Frameworks & Software Standards
1 2 (7.69%) LDAP
2 1 (3.85%) XML
2 1 (3.85%) XML Schema
Miscellaneous
1 2 (7.69%) Data Centre
2 1 (3.85%) Mainframe
2 1 (3.85%) Management Information System
2 1 (3.85%) Public Cloud
Operating Systems
1 25 (96.15%) Linux
2 9 (34.62%) Red Hat Enterprise Linux
3 6 (23.08%) Windows
3 6 (23.08%) Windows Server
4 5 (19.23%) Ubuntu
5 4 (15.38%) Solaris
5 4 (15.38%) Unix
6 2 (7.69%) Windows Server 2012
7 1 (3.85%) VMS
Processes & Methodologies
1 11 (42.31%) ITIL
2 9 (34.62%) Change Management
3 5 (19.23%) Database Tuning
4 4 (15.38%) Antivirus Management
4 4 (15.38%) Data Loss Prevention
4 4 (15.38%) DevOps
4 4 (15.38%) Network Monitoring
4 4 (15.38%) Security Patching
4 4 (15.38%) Service Management
4 4 (15.38%) User Acceptance Testing
5 3 (11.54%) Benchmarking
5 3 (11.54%) Information Security
5 3 (11.54%) Infrastructure as Code
5 3 (11.54%) OO
5 3 (11.54%) Scrum
5 3 (11.54%) Server Patching
6 2 (7.69%) Agile Software Development
6 2 (7.69%) Capacity Planning
6 2 (7.69%) Identity Management
6 2 (7.69%) Process Management
Programming Languages
1 7 (26.92%) Perl
2 6 (23.08%) SQL
3 4 (15.38%) AWK
3 4 (15.38%) Bourne shell
3 4 (15.38%) Korn
3 4 (15.38%) Python
3 4 (15.38%) Shell Script
4 3 (11.54%) Bash Shell
4 3 (11.54%) Java
5 2 (7.69%) PowerShell
5 2 (7.69%) Ruby
6 1 (3.85%) JavaScript
6 1 (3.85%) PHP
6 1 (3.85%) Scala
6 1 (3.85%) XQuery
Qualifications
1 4 (15.38%) Cisco Certification
1 4 (15.38%) Degree
1 4 (15.38%) ITIL Foundation Certificate
2 1 (3.85%) OCA
2 1 (3.85%) OCP
2 1 (3.85%) Oracle Certification
2 1 (3.85%) RHCE
2 1 (3.85%) RHCSA
2 1 (3.85%) SC Cleared
2 1 (3.85%) Security Cleared
Quality Assurance & Compliance
1 4 (15.38%) PCI DSS
1 4 (15.38%) SLA
2 3 (11.54%) ISO/IEC 27001
System Software
1 6 (23.08%) Active Directory
2 5 (19.23%) Hyper-V
2 5 (19.23%) Veritas Cluster Server
3 4 (15.38%) Firmware
4 3 (11.54%) KVM
4 3 (11.54%) Squid
5 2 (7.69%) Virtual Machines
5 2 (7.69%) vSphere
6 1 (3.85%) Docker
6 1 (3.85%) VMware Infrastructure
Systems Management
1 5 (19.23%) Ansible
2 4 (15.38%) NetBackup
2 4 (15.38%) Oracle ZFS
2 4 (15.38%) Perfmon
2 4 (15.38%) Red Hat Satellite
2 4 (15.38%) Red Hat Spacewalk
2 4 (15.38%) WSUS
3 3 (11.54%) Norton AntiVirus
4 2 (7.69%) Opscode Chef
4 2 (7.69%) Puppet
4 2 (7.69%) Terraform
5 1 (3.85%) Kubernetes
5 1 (3.85%) Nagios
5 1 (3.85%) Salt
5 1 (3.85%) vCenter Server
Vendors
1 19 (73.08%) Red Hat
2 4 (15.38%) Brocade
2 4 (15.38%) CA
2 4 (15.38%) Centrify
2 4 (15.38%) Cisco
2 4 (15.38%) Microsoft
2 4 (15.38%) Oracle
2 4 (15.38%) Sun
2 4 (15.38%) Sybase
2 4 (15.38%) Veritas
3 3 (11.54%) HP
3 3 (11.54%) McAfee
3 3 (11.54%) Symantec
4 2 (7.69%) VMware
5 1 (3.85%) BT