Period
to 22 November 2017

The following table provides summary statistics for contract job vacancies advertised in Surrey with a requirement for CentOS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited CentOS over the 6 months to 22 November 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

CentOS Linux
South East > Surrey
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 124 108 126
Rank change year-on-year -16 +18 -12
Contract jobs citing CentOS 22 25 13
As % of all contract IT jobs advertised in Surrey 0.79% 1.08% 0.48%
As % of the Operating Systems category 3.03% 3.67% 1.64%
Number of daily rates quoted 17 23 9
Surrey median daily rate £475 £438 £425
Median daily rate % change year-on-year +8.57% +2.94% -5.56%
10th Percentile £384 £376 £355
90th Percentile £610 £475 £613
South East median daily rate £433 £439 £401
% change year-on-year -1.42% +9.35% +0.31%
Number of hourly rates quoted 0 0 0
Surrey median hourly rate - - -
South East median hourly rate £18.00 £36.50 -
% change year-on-year -50.68% - -

CentOS is in the Operating Systems category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Surrey with a requirement for operating system skills.

All Operating Systems
Surrey
Contract vacancies with a requirement for operating system skills 726 682 791
As % of all contract IT jobs advertised in Surrey 26.06% 29.33% 29.09%
Number of daily rates quoted 437 442 480
Surrey median daily rate £425 £400 £400
Median daily rate % change year-on-year +6.25% - +14.29%
10th Percentile £163 £155 £212
90th Percentile £539 £525 £488
South East median daily rate £400 £375 £365
% change year-on-year +6.67% +2.74% +7.35%
Number of hourly rates quoted 67 64 57
Surrey median hourly rate £17.50 £27.50 £18.00
Median hourly rate % change year-on-year -36.36% +52.78% +5.88%
10th Percentile £13.00 £12.33 £11.55
90th Percentile £48.75 £45.73 £47.25
South East median hourly rate £17.50 £17.06 £18.75
% change year-on-year +2.58% -9.01% +19.20%

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
Contractor Daily Rate Trend in Surrey

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing CentOS in Surrey.

Contractor daily rate trend for CentOS in Surrey

CentOS
Contractor Daily Rate Histogram in Surrey

The daily rate distribution of IT jobs citing CentOS in Surrey over the 6 months to 22 November 2017.

Contractor daily rate histogram for CentOS in Surrey

CentOS
Contract Job Locations in Surrey

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the Surrey region over the 6 months to 22 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Leatherhead +1 4 £550 +100.00%
Guildford -5 4 £405 -4.71% 3
Redhill - 3 - -
Reigate - 2 £469 -
Sunbury-on-Thames - 1 £400 -
CentOS
South East

For the 6 months to 22 November 2017, IT contractor jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Surrey region with a requirement for CentOS.

1 22 (100.00%) Linux
2 18 (81.82%) Red Hat Enterprise Linux
3 15 (68.18%) DevOps
4 14 (63.64%) Puppet
4 14 (63.64%) Configuration Management
5 13 (59.09%) MySQL
6 12 (54.55%) Amazon AWS
7 11 (50.00%) Java
7 11 (50.00%) Ubuntu
8 10 (45.45%) Perl
8 10 (45.45%) Red Hat
8 10 (45.45%) Jenkins
9 9 (40.91%) Opscode Chef
9 9 (40.91%) AWS CloudFormation
10 8 (36.36%) Ansible
10 8 (36.36%) Git (software)
10 8 (36.36%) Python
11 7 (31.82%) Oracle
11 7 (31.82%) JIRA
11 7 (31.82%) Performance Management
11 7 (31.82%) Atlassian
11 7 (31.82%) Continuous Integration
11 7 (31.82%) Confluence
11 7 (31.82%) Amazon DynamoDB
11 7 (31.82%) Bitbucket
11 7 (31.82%) Application Performance Management
11 7 (31.82%) AppDynamics
11 7 (31.82%) AWS Lambda
11 7 (31.82%) Serverless
12 6 (27.27%) Pingdom

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 7 (31.82%) Confluence
2 6 (27.27%) Tomcat
2 6 (27.27%) WebSphere
3 5 (22.73%) Apache
4 4 (18.18%) OpenStack
5 2 (9.09%) nginx
Cloud Services
1 12 (54.55%) Amazon AWS
2 9 (40.91%) AWS CloudFormation
3 7 (31.82%) AWS Lambda
3 7 (31.82%) Serverless
4 5 (22.73%) Microsoft Azure
5 2 (9.09%) Cloud Computing
5 2 (9.09%) SaaS
6 1 (4.55%) Amazon CloudWatch
6 1 (4.55%) Azure Active Directory
6 1 (4.55%) IaaS
6 1 (4.55%) PaaS
Communications & Networking
1 6 (27.27%) DNS
1 6 (27.27%) VPN
2 4 (18.18%) Internet
3 3 (13.64%) Fibre Channel
4 2 (9.09%) Firewall
4 2 (9.09%) FTP
4 2 (9.09%) LAN
4 2 (9.09%) OSPF
4 2 (9.09%) SMTP
4 2 (9.09%) VLAN
4 2 (9.09%) WAN
5 1 (4.55%) Network Security
Database & Business Intelligence
1 13 (59.09%) MySQL
2 7 (31.82%) Amazon DynamoDB
3 4 (18.18%) MongoDB
4 2 (9.09%) Redis
5 1 (4.55%) Azure SQL Database
Development Applications
1 10 (45.45%) Jenkins
2 8 (36.36%) Git (software)
3 7 (31.82%) Bitbucket
3 7 (31.82%) JIRA
4 4 (18.18%) Vagrant
5 2 (9.09%) GitLab
General
1 1 (4.55%) Advertising
1 1 (4.55%) Games
Job Titles
1 9 (40.91%) DevOps Engineer
2 7 (31.82%) Linux Engineer
3 6 (27.27%) Linux/Unix DevOps
4 5 (22.73%) Linux DevOps Engineer
5 4 (18.18%) Senior Systems Engineer
5 4 (18.18%) Systems Engineer
6 3 (13.64%) Administrator
6 3 (13.64%) AWS DevOps
6 3 (13.64%) Systems Administrator
6 3 (13.64%) Unix Administrator
6 3 (13.64%) Unix Systems Administrator
7 2 (9.09%) Cloud Engineer
7 2 (9.09%) Infrastructure Engineer
7 2 (9.09%) Linux Systems Engineer
7 2 (9.09%) Senior Cloud Engineer
7 2 (9.09%) Senior DevOps
7 2 (9.09%) Senior DevOps Engineer
7 2 (9.09%) Senior Linux Engineer
7 2 (9.09%) Senior Linux Systems Engineer
8 1 (4.55%) Consultant
Libraries, Frameworks & Software Standards
1 4 (18.18%) LAMP
2 3 (13.64%) RESTful
3 2 (9.09%) Hibernate
3 2 (9.09%) RabbitMQ
3 2 (9.09%) Spring
4 1 (4.55%) boto
4 1 (4.55%) JSON
4 1 (4.55%) Node.js
Miscellaneous
1 4 (18.18%) Private Cloud
2 3 (13.64%) Computer Science
3 2 (9.09%) Public Cloud
Operating Systems
1 22 (100.00%) Linux
2 18 (81.82%) Red Hat Enterprise Linux
3 11 (50.00%) Ubuntu
4 5 (22.73%) Unix
5 3 (13.64%) Solaris
6 1 (4.55%) Debian
Processes & Methodologies
1 15 (68.18%) DevOps
2 14 (63.64%) Configuration Management
3 7 (31.82%) Application Performance Management
3 7 (31.82%) Continuous Integration
3 7 (31.82%) Performance Management
4 5 (22.73%) Task Automation
5 4 (18.18%) Load Balancing
6 3 (13.64%) Mathematics
6 3 (13.64%) Scrum
7 2 (9.09%) Continuous Delivery
7 2 (9.09%) High Availability
7 2 (9.09%) ITIL
7 2 (9.09%) ITIL V3
7 2 (9.09%) Kanban
7 2 (9.09%) Mentoring
7 2 (9.09%) Microservices
7 2 (9.09%) Re-Platforming
8 1 (4.55%) Information Security
8 1 (4.55%) Open Source
8 1 (4.55%) Server Monitoring
Programming Languages
1 11 (50.00%) Java
2 10 (45.45%) Perl
3 8 (36.36%) Python
4 4 (18.18%) PowerShell
5 3 (13.64%) AWK
5 3 (13.64%) Bash Shell
5 3 (13.64%) Bourne shell
5 3 (13.64%) C
5 3 (13.64%) C++
5 3 (13.64%) Korn
5 3 (13.64%) Shell Script
6 2 (9.09%) JavaScript
7 1 (4.55%) PHP
7 1 (4.55%) SQL
Qualifications
1 3 (13.64%) Degree
1 3 (13.64%) OCA
1 3 (13.64%) OCP
1 3 (13.64%) Oracle Certification
1 3 (13.64%) RHCE
1 3 (13.64%) RHCSA
2 2 (9.09%) SC Cleared
2 2 (9.09%) Security Cleared
System Software
1 6 (27.27%) Docker
2 3 (13.64%) GlusterFS
2 3 (13.64%) Veritas Cluster Server
3 1 (4.55%) Active Directory
Systems Management
1 14 (63.64%) Puppet
2 9 (40.91%) Opscode Chef
3 8 (36.36%) Ansible
4 6 (27.27%) Pingdom
5 5 (22.73%) Nagios
5 5 (22.73%) Terraform
6 4 (18.18%) CFEngine
6 4 (18.18%) Consul
6 4 (18.18%) logstash
6 4 (18.18%) Netcool
7 3 (13.64%) NetBackup
7 3 (13.64%) Oracle ZFS
7 3 (13.64%) Red Hat Satellite
7 3 (13.64%) Red Hat Spacewalk
7 3 (13.64%) Veritas Storage Foundation
8 2 (9.09%) Cacti
8 2 (9.09%) Icinga
9 1 (4.55%) Kubernetes
Vendors
1 10 (45.45%) Red Hat
2 7 (31.82%) AppDynamics
2 7 (31.82%) Atlassian
2 7 (31.82%) Oracle
3 6 (27.27%) PagerDuty
4 5 (22.73%) VMware
5 4 (18.18%) Splunk
6 3 (13.64%) Brocade
6 3 (13.64%) EMC
6 3 (13.64%) HP
6 3 (13.64%) StorageTek
6 3 (13.64%) Sun
6 3 (13.64%) Veritas
7 1 (4.55%) Microsoft