The table below looks at the statistics for CentOS skills in IT jobs advertised for the Surrey region. Included is a guide to the salaries offered in IT jobs that have cited CentOS over the 3 months to 25 August 2016 with a comparison to the same period over the previous 2 years.

3 months to
25 Aug 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 150 194 208
Rank change year-on-year
+44 +14
Permanent jobs citing CentOS 35 24 30
As % of all permanent IT jobs located in Surrey 1.02% 0.54% 0.60%
As % of the Operating Systems category 3.28% 1.62% 2.14%
Number of salaries quoted 31 13 19
Median salary £55,000 £52,500 £50,000
Median salary % change year-on-year
+4.76% +5.00%
90% offered a salary of more than £32,500 £50,000 £41,500
10% offered a salary of more than £70,000 £60,000 £64,000
UK excluding London median salary £45,000 £42,500 £41,500
% change year-on-year
+5.88% +2.40%
CentOS
South East

The following table is for comparison with the above and provides statistics for the entire Operating Systems category in permanent jobs advertised in the Surrey region.

Operating Systems Category
Surrey
Permanent IT job ads with a match in the
Operating Systems category
1068 1477 1404
As % of all permanent IT jobs located in Surrey 31.16% 33.14% 27.87%
Number of salaries quoted 970 1331 1244
Median salary £42,500 £40,000 £40,000
Median salary % change year-on-year
+6.25% -
90% offered a salary of more than £24,000 £25,500 £24,500
10% offered a salary of more than £60,000 £60,000 £57,500
UK excluding London median salary £38,000 £37,500 £36,500
% change year-on-year
+1.33% +2.73%

CentOS
Jobs Demand Trend in Surrey

The demand trend of job ads across the Surrey region citing CentOS as a proportion of all IT jobs with a match in the Operating Systems category.

CentOS Jobs Demand Trend in Surrey

CentOS
Salary Trend in Surrey

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

CentOS Salary Trend in Surrey

CentOS
Salary Histogram in Surrey

This chart provides a salary histogram for IT jobs citing CentOS across the Surrey region over the 3 months to 25 August 2016.

CentOS Salary Histogram 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 3 months to 25 August 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Egham +30 11 £55,000 -
Reigate - 5 £50,000 -
Woking - 4 £55,000 - 1
Camberley - 3 £50,000 -
Guildford +16 2 £27,500 -51.11%
Staines - 1 £52,500 -
CentOS
South East

CentOS
Top 30 Related IT Skills in Surrey

For the 6 months to 25 August 2016, 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 80 (100.00%) Linux
2 57 (71.25%) Red Hat
3 38 (47.50%) Red Hat Enterprise Linux
4 34 (42.50%) Python
5 33 (41.25%) Perl
6 31 (38.75%) ITSM
7 24 (30.00%) Java
7 24 (30.00%) Ubuntu
8 21 (26.25%) Incident Management
8 21 (26.25%) MySQL
8 21 (26.25%) Apache
8 21 (26.25%) VMware
9 19 (23.75%) Configuration Management
9 19 (23.75%) Windows
10 18 (22.50%) Oracle
10 18 (22.50%) Load Balancing
10 18 (22.50%) DevOps
11 17 (21.25%) Jenkins
11 17 (21.25%) Ansible
11 17 (21.25%) Git (software)
12 16 (20.00%) Continuous Integration
12 16 (20.00%) Agile Software Development
12 16 (20.00%) WebSphere
12 16 (20.00%) Maven
12 16 (20.00%) Tomcat
12 16 (20.00%) IBM
12 16 (20.00%) Scrum
12 16 (20.00%) Puppet
12 16 (20.00%) CloudBees
13 15 (18.75%) SAN

CentOS
Top Related 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 21 (26.25%) Apache
2 16 (20.00%) Tomcat
2 16 (20.00%) WebSphere
3 10 (12.50%) CMS
3 10 (12.50%) nginx
4 6 (7.50%) WebSphere Application Server
5 5 (6.25%) JBoss
5 5 (6.25%) OpenStack
6 2 (2.50%) IIS
Cloud Services
1 16 (20.00%) CloudBees
2 6 (7.50%) SaaS
3 4 (5.00%) IaaS
3 4 (5.00%) PaaS
4 2 (2.50%) Amazon AWS
4 2 (2.50%) Office 365
5 1 (1.25%) Amazon EC2
5 1 (1.25%) Amazon ElastiCache
5 1 (1.25%) Amazon S3
Communications & Networking
1 15 (18.75%) SAN
2 12 (15.00%) DNS
3 11 (13.75%) Firewall
4 8 (10.00%) Internet
4 8 (10.00%) VLAN
5 6 (7.50%) LDAP
6 3 (3.75%) SSL
6 3 (3.75%) Wi-Fi
7 2 (2.50%) Cisco IOS
7 2 (2.50%) NAS
7 2 (2.50%) TCP/IP
8 1 (1.25%) DHCP
8 1 (1.25%) FTP
8 1 (1.25%) IPsec
8 1 (1.25%) LAN
8 1 (1.25%) VoIP
8 1 (1.25%) VPN
8 1 (1.25%) WAN
Database & Business Intelligence
1 21 (26.25%) MySQL
2 9 (11.25%) SQL Server
3 8 (10.00%) MariaDB
3 8 (10.00%) MongoDB
4 4 (5.00%) Apache Cassandra
4 4 (5.00%) PostgreSQL
4 4 (5.00%) Relational Database
Development Applications
1 17 (21.25%) Git (software)
1 17 (21.25%) Jenkins
2 16 (20.00%) Maven
3 8 (10.00%) Vagrant
General
1 6 (7.50%) Retail
2 2 (2.50%) Telecoms
Job Titles
1 47 (58.75%) Linux Engineer
2 29 (36.25%) Cloud Engineer
2 29 (36.25%) Infrastructure Engineer
3 20 (25.00%) Support Engineer
4 17 (21.25%) Senior Infrastructure Engineer
5 16 (20.00%) Consultant
5 16 (20.00%) Linux Support
5 16 (20.00%) Linux Support Engineer
6 15 (18.75%) Operations Support Engineer
7 14 (17.50%) Senior Linux Engineer
8 13 (16.25%) Cloud Infrastructure Engineer
9 10 (12.50%) Middleware Consultant
10 8 (10.00%) Administrator
10 8 (10.00%) Infrastructure Operations Engineer
11 7 (8.75%) Linux Administrator
12 6 (7.50%) DevOps Consultant
13 4 (5.00%) Cloud Administrator
13 4 (5.00%) Senior Cloud Engineer
13 4 (5.00%) Senior Linux Administrator
14 3 (3.75%) SAN Engineer
Libraries, Frameworks & Software Standards
1 10 (12.50%) Middleware
2 9 (11.25%) LAMP
3 4 (5.00%) LAPP Stack
4 2 (2.50%) Web Services
5 1 (1.25%) ActiveMQ
5 1 (1.25%) RabbitMQ
Miscellaneous
1 13 (16.25%) Clustering
2 10 (12.50%) Enterprise Software
3 6 (7.50%) Data Centre
4 4 (5.00%) Computer Science
4 4 (5.00%) Mathematics
5 3 (3.75%) Analytical Skills
6 2 (2.50%) Cyber Attack
6 2 (2.50%) iPad
7 1 (1.25%) Cybercrime
7 1 (1.25%) Driving Licence
Operating Systems
1 80 (100.00%) Linux
2 38 (47.50%) Red Hat Enterprise Linux
3 24 (30.00%) Ubuntu
4 19 (23.75%) Windows
5 13 (16.25%) Windows Server
6 7 (8.75%) SUSE
7 6 (7.50%) Debian
8 5 (6.25%) Windows Server 2008
8 5 (6.25%) Windows Server 2012
9 2 (2.50%) Fedora
10 1 (1.25%) Windows 10
10 1 (1.25%) Windows 7
10 1 (1.25%) Windows 8
Processes & Methodologies
1 31 (38.75%) ITSM
2 21 (26.25%) Incident Management
3 19 (23.75%) Configuration Management
4 18 (22.50%) DevOps
4 18 (22.50%) Load Balancing
5 16 (20.00%) Agile Software Development
5 16 (20.00%) Continuous Integration
5 16 (20.00%) Scrum
6 10 (12.50%) Network Design
7 8 (10.00%) Security Hardening
7 8 (10.00%) Workflow
8 7 (8.75%) ITIL
9 4 (5.00%) High Availability
9 4 (5.00%) ITIL V3
10 3 (3.75%) Mentoring
10 3 (3.75%) Migration
11 2 (2.50%) Service Delivery
12 1 (1.25%) Asset Management
12 1 (1.25%) Disaster Recovery
12 1 (1.25%) Time Management
Programming Languages
1 34 (42.50%) Python
2 33 (41.25%) Perl
3 24 (30.00%) Java
4 15 (18.75%) Bash Shell
5 10 (12.50%) Ruby
6 7 (8.75%) C
6 7 (8.75%) C++
7 5 (6.25%) JavaScript
8 4 (5.00%) PHP
9 3 (3.75%) PowerShell
10 2 (2.50%) AWK
10 2 (2.50%) sed
Qualifications
1 14 (17.50%) Security Cleared
2 10 (12.50%) SC Cleared
3 6 (7.50%) CTC Cleared
4 5 (6.25%) BPSS Clearance
5 4 (5.00%) Degree
5 4 (5.00%) Microsoft Certification
5 4 (5.00%) RHCA
Quality Assurance & Compliance
1 2 (2.50%) ISO/IEC 27001
System Software
1 14 (17.50%) Docker
1 14 (17.50%) VMware Infrastructure
2 12 (15.00%) Active Directory
3 10 (12.50%) VMware ESX
4 8 (10.00%) Hyper-V
4 8 (10.00%) iptables
4 8 (10.00%) Virtual Servers
5 5 (6.25%) Squid
6 3 (3.75%) vCloud
6 3 (3.75%) vSphere
7 2 (2.50%) Ceph
7 2 (2.50%) KVM
8 1 (1.25%) Corosync
8 1 (1.25%) VMware ESXi
Systems Management
1 17 (21.25%) Ansible
2 16 (20.00%) Puppet
3 11 (13.75%) Nagios
4 9 (11.25%) Opscode Chef
5 8 (10.00%) Backup Exec
5 8 (10.00%) Microsoft Data Protection Manager
5 8 (10.00%) vMotion
6 6 (7.50%) HAProxy
7 3 (3.75%) logstash
8 2 (2.50%) Cacti
8 2 (2.50%) Hyperic
8 2 (2.50%) ZABBIX
9 1 (1.25%) Graphite
9 1 (1.25%) Munin
9 1 (1.25%) Pacemaker
9 1 (1.25%) Red Hat Spacewalk
Vendors
1 57 (71.25%) Red Hat
2 21 (26.25%) VMware
3 18 (22.50%) Oracle
4 16 (20.00%) IBM
5 11 (13.75%) Cisco
6 10 (12.50%) Adobe
7 9 (11.25%) HP
7 9 (11.25%) Symantec
8 8 (10.00%) Microsoft
8 8 (10.00%) Veeam
9 5 (6.25%) Juniper
10 3 (3.75%) CommVault
10 3 (3.75%) F5
11 1 (1.25%) 3PAR
11 1 (1.25%) Atlassian
11 1 (1.25%) LANDesk
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