Period
to 24 November 2017

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 24 November 2017 with a comparison to the same period in the previous 2 years.

CentOS Linux
South East > Surrey
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 198 195 231
Rank change year-on-year -3 +36 +6
Permanent jobs citing CentOS 60 81 81
As % of all permanent IT jobs advertised in Surrey 0.96% 1.23% 0.95%
As % of the Operating Systems category 3.50% 4.00% 2.81%
Number of salaries quoted 59 74 58
Surrey median annual salary £60,000 £55,000 £52,500
Median salary % change year-on-year +9.09% +4.76% +23.53%
10th Percentile £39,700 £41,475 £31,425
90th Percentile £82,500 £70,000 £60,000
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 Surrey with a requirement for operating system skills.

All Operating Systems
Surrey
Permanent vacancies with a requirement for operating system skills 1715 2026 2880
As % of all permanent IT jobs advertised in Surrey 27.53% 30.72% 33.62%
Number of salaries quoted 1510 1819 2590
Surrey median annual salary £45,000 £46,500 £41,500
Median salary % change year-on-year -3.23% +12.05% -2.35%
10th Percentile £23,500 £24,000 £24,500
90th Percentile £62,500 £63,750 £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 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 24 November 2017.

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 24 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
Guildford +3 14 £65,000 +100.00% 3
Staines +13 12 £60,000 +14.29%
Woking +17 6 £70,000 +27.27%
Reigate -33 6 £60,000 +6.67%
Camberley -7 5 £20,500 -59.00%
Egham -44 2 £60,000 -7.69%
Weybridge - 1 £60,000 -
CentOS
South East

For the 6 months to 24 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 Surrey region with a requirement for CentOS.

1 60 (100.00%) Linux
2 38 (63.33%) Windows
3 29 (48.33%) VMware
3 29 (48.33%) DevOps
4 27 (45.00%) Python
5 26 (43.33%) Red Hat
5 26 (43.33%) Firewall
6 24 (40.00%) VMware Infrastructure
7 23 (38.33%) High Availability
8 22 (36.67%) TCP/IP
9 20 (33.33%) SQL Server
9 20 (33.33%) Cisco
9 20 (33.33%) vSphere
9 20 (33.33%) Capacity Planning
10 19 (31.67%) SAN
10 19 (31.67%) Ubuntu
11 18 (30.00%) Microsoft
11 18 (30.00%) Microsoft Certification
12 16 (26.67%) MySQL
12 16 (26.67%) Opscode Chef
12 16 (26.67%) Docker
13 15 (25.00%) Continuous Delivery
13 15 (25.00%) Red Hat Enterprise Linux
14 14 (23.33%) Infrastructure Monitoring
15 13 (21.67%) Private Cloud
15 13 (21.67%) Meraki
15 13 (21.67%) EqualLogic
15 13 (21.67%) MongoDB
15 13 (21.67%) NAS
15 13 (21.67%) Fortinet

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 11 (18.33%) Apache
2 7 (11.67%) IIS
3 6 (10.00%) nginx
4 4 (6.67%) JBoss
5 2 (3.33%) Tomcat
Cloud Services
1 3 (5.00%) Amazon AWS
2 1 (1.67%) Cloud Computing
2 1 (1.67%) SaaS
Communications & Networking
1 26 (43.33%) Firewall
2 22 (36.67%) TCP/IP
3 19 (31.67%) SAN
4 13 (21.67%) NAS
5 9 (15.00%) DNS
6 8 (13.33%) Internet
7 5 (8.33%) DHCP
7 5 (8.33%) Intranet
8 3 (5.00%) HTTP
9 1 (1.67%) VPN
Database & Business Intelligence
1 20 (33.33%) SQL Server
2 16 (26.67%) MySQL
3 13 (21.67%) MongoDB
4 8 (13.33%) Redis
5 4 (6.67%) Big Data
5 4 (6.67%) Hadoop
5 4 (6.67%) Neo4j
5 4 (6.67%) Pentaho
5 4 (6.67%) PostgreSQL
6 1 (1.67%) MariaDB
6 1 (1.67%) SQLite
Development Applications
1 4 (6.67%) Talend Open Studio
2 3 (5.00%) Jenkins
General
1 9 (15.00%) Finance
2 8 (13.33%) Banking
3 4 (6.67%) Military
4 3 (5.00%) Law
5 1 (1.67%) Telecoms
Job Titles
1 12 (20.00%) Infrastructure Manager
1 12 (20.00%) Linux Specialist
2 11 (18.33%) Cloud Specialist
3 10 (16.67%) Infrastructure Services Manager
3 10 (16.67%) Lead DevOps
3 10 (16.67%) Service Manager
4 9 (15.00%) DevOps Manager
5 8 (13.33%) Administrator
6 6 (10.00%) Infrastructure Team Leader
6 6 (10.00%) Team Leader
7 5 (8.33%) Developer
7 5 (8.33%) DevOps Engineer
7 5 (8.33%) IT Support
7 5 (8.33%) IT Support Technician
7 5 (8.33%) IT Technician
7 5 (8.33%) Linux Engineer
7 5 (8.33%) Senior Unix Administrator
7 5 (8.33%) Support Technician
7 5 (8.33%) Unix Administrator
8 4 (6.67%) Cloud Infrastructure Manager
Libraries, Frameworks & Software Standards
1 5 (8.33%) LAMP
2 4 (6.67%) ActiveMQ
2 4 (6.67%) AngularJS
2 4 (6.67%) Apache Camel
2 4 (6.67%) Apache CXF
2 4 (6.67%) D3.js
2 4 (6.67%) Drools
2 4 (6.67%) Elastic Stack
2 4 (6.67%) jBPM
2 4 (6.67%) Middleware
2 4 (6.67%) Node.js
2 4 (6.67%) Spring
2 4 (6.67%) Spring Security
3 1 (1.67%) LEMP Stack
Miscellaneous
1 13 (21.67%) Private Cloud
2 11 (18.33%) Linux Command Line
3 7 (11.67%) Data Centre
4 5 (8.33%) Computer Science
4 5 (8.33%) Management Information System
5 4 (6.67%) Greenfield Project
6 1 (1.67%) Mobile Banking
6 1 (1.67%) Public Cloud
Operating Systems
1 60 (100.00%) Linux
2 38 (63.33%) Windows
3 19 (31.67%) Ubuntu
4 15 (25.00%) Red Hat Enterprise Linux
5 6 (10.00%) Unix
6 5 (8.33%) Debian
6 5 (8.33%) Solaris
Processes & Methodologies
1 29 (48.33%) DevOps
2 23 (38.33%) High Availability
3 20 (33.33%) Capacity Planning
4 15 (25.00%) Continuous Delivery
5 14 (23.33%) Infrastructure Monitoring
6 13 (21.67%) ITIL
7 11 (18.33%) Business Continuity
7 11 (18.33%) Disaster Recovery
7 11 (18.33%) Incident Management
7 11 (18.33%) ITSM
8 8 (13.33%) ITIL V3
9 7 (11.67%) Budget Control
9 7 (11.67%) Cybersecurity
9 7 (11.67%) E-Commerce
9 7 (11.67%) Quality Management
9 7 (11.67%) Release Management
10 6 (10.00%) Continuous Integration
11 5 (8.33%) Business Intelligence
12 4 (6.67%) Scrum
12 4 (6.67%) SOA
Programming Languages
1 27 (45.00%) Python
2 12 (20.00%) JavaScript
2 12 (20.00%) PowerShell
3 11 (18.33%) Perl
4 8 (13.33%) Bash Shell
4 8 (13.33%) Java
5 7 (11.67%) PHP
5 7 (11.67%) Ruby
5 7 (11.67%) SQL
6 4 (6.67%) Jython
7 1 (1.67%) C
7 1 (1.67%) C++
7 1 (1.67%) Shell Script
Qualifications
1 18 (30.00%) Microsoft Certification
2 11 (18.33%) RHCA
3 7 (11.67%) MCSE
4 5 (8.33%) Degree
5 4 (6.67%) SC Cleared
5 4 (6.67%) Security Cleared
6 1 (1.67%) RHCSA
Quality Assurance & Compliance
1 7 (11.67%) ISO 9001
1 7 (11.67%) PCI DSS
1 7 (11.67%) SLA
2 3 (5.00%) QA
System Software
1 24 (40.00%) VMware Infrastructure
2 20 (33.33%) vSphere
3 16 (26.67%) Docker
4 12 (20.00%) Active Directory
5 5 (8.33%) GlusterFS
5 5 (8.33%) Terminal Services
6 3 (5.00%) VMware ESXi
7 2 (3.33%) Xen
Systems Management
1 16 (26.67%) Opscode Chef
2 9 (15.00%) Puppet
3 8 (13.33%) Ansible
4 7 (11.67%) FortiGate
4 7 (11.67%) Kubernetes
4 7 (11.67%) Nagios
4 7 (11.67%) Pingdom
5 6 (10.00%) Opsview
6 5 (8.33%) NetBackup
6 5 (8.33%) Oracle ZFS
6 5 (8.33%) Rancher
6 5 (8.33%) Red Hat Satellite
6 5 (8.33%) Salt
6 5 (8.33%) Terraform
7 1 (1.67%) Cacti
7 1 (1.67%) CFEngine
7 1 (1.67%) Icinga
7 1 (1.67%) logstash
7 1 (1.67%) Netcool
Vendors
1 29 (48.33%) VMware
2 26 (43.33%) Red Hat
3 20 (33.33%) Cisco
4 18 (30.00%) Microsoft
5 13 (21.67%) Dell
5 13 (21.67%) EqualLogic
5 13 (21.67%) Fortinet
5 13 (21.67%) Meraki
6 7 (11.67%) CheckPoint
6 7 (11.67%) IBM
6 7 (11.67%) New Relic
7 6 (10.00%) Oracle
8 5 (8.33%) HP
8 5 (8.33%) Sun
8 5 (8.33%) Veritas
9 4 (6.67%) Talend
10 2 (3.33%) Rackspace
11 1 (1.67%) Splunk