Period
to 21 November 2017

The following table provides summary statistics for contract job vacancies advertised in Hampshire 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 21 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 > Hampshire
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 143 141 155
Rank change year-on-year -2 +14 -12
Contract jobs citing CentOS 20 31 34
As % of all contract IT jobs advertised in Hampshire 0.56% 0.80% 0.77%
As % of the Operating Systems category 2.00% 2.81% 2.67%
Number of daily rates quoted 17 19 21
Hampshire median daily rate £405 £360 £395
Median daily rate % change year-on-year +12.50% -8.86% +7.48%
10th Percentile £363 £281 £263
90th Percentile £526 £475 £440
South East median daily rate £425 £438 £401
% change year-on-year -2.86% +9.03% +0.31%
Number of hourly rates quoted 0 1 0
Hampshire median hourly rate - £55.00 -
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 Hampshire with a requirement for operating system skills.

All Operating Systems
Hampshire
Contract vacancies with a requirement for operating system skills 1000 1103 1273
As % of all contract IT jobs advertised in Hampshire 28.17% 28.36% 28.89%
Number of daily rates quoted 603 675 748
Hampshire median daily rate £388 £380 £363
Median daily rate % change year-on-year +1.97% +4.83% +5.38%
10th Percentile £163 £250 £250
90th Percentile £500 £545 £485
South East median daily rate £400 £375 £363
% change year-on-year +6.67% +3.45% +6.62%
Number of hourly rates quoted 64 66 118
Hampshire median hourly rate £21.63 £15.00 £17.50
Median hourly rate % change year-on-year +44.20% -14.29% +9.38%
10th Percentile £10.40 £10.75 £11.78
90th Percentile £48.09 £49.46 £47.83
South East median hourly rate £17.77 £17.06 £18.75
% change year-on-year +4.16% -9.01% +20.10%

CentOS
Job Vacancy Trend in Hampshire

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

Job vacancy trend for CentOS in Hampshire

CentOS
Contractor Daily Rate Trend in Hampshire

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

Contractor daily rate trend for CentOS in Hampshire

CentOS
Contractor Daily Rate Histogram in Hampshire

The daily rate distribution of IT jobs citing CentOS in Hampshire over the 6 months to 21 November 2017.

Contractor daily rate histogram for CentOS in Hampshire

CentOS
Contract Job Locations in Hampshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the Hampshire region over the 6 months to 21 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
Winchester +18 6 £388 - 1
Basingstoke - 3 £401 - 1
Eastleigh -1 2 £525 -
Southampton - 1 £375 -
Hook - 1 £350 -
CentOS
South East

For the 6 months to 21 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 Hampshire region with a requirement for CentOS.

1 20 (100.00%) Linux
2 15 (75.00%) DNS
3 14 (70.00%) SSL
3 14 (70.00%) Firewall
4 12 (60.00%) DHCP
5 11 (55.00%) Cisco
5 11 (55.00%) Citrix
5 11 (55.00%) Red Hat Enterprise Linux
5 11 (55.00%) Regular Expression
5 11 (55.00%) NetScaler
5 11 (55.00%) Kalman Filter
5 11 (55.00%) Vulnerability Scanning
5 11 (55.00%) Email Filtering
6 9 (45.00%) Wireless
7 8 (40.00%) Amazon AWS
7 8 (40.00%) Load Balancing
7 8 (40.00%) Network Security
7 8 (40.00%) CheckPoint
7 8 (40.00%) Dell
7 8 (40.00%) Extreme Networks
8 7 (35.00%) DevOps
8 7 (35.00%) Internet
9 6 (30.00%) BusinessObjects
9 6 (30.00%) Agile Software Development
9 6 (30.00%) Opscode Chef
9 6 (30.00%) OpenStack
9 6 (30.00%) Customer Requirements
10 5 (25.00%) Jenkins
10 5 (25.00%) Git (software)
10 5 (25.00%) Xen

CentOS
Co-occurring IT Skills in Hampshire 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 6 (30.00%) OpenStack
2 2 (10.00%) Cloud Foundry
3 1 (5.00%) Apache
Cloud Services
1 8 (40.00%) Amazon AWS
2 1 (5.00%) Google Cloud Platform
2 1 (5.00%) OpenShift
Communications & Networking
1 15 (75.00%) DNS
2 14 (70.00%) Firewall
2 14 (70.00%) SSL
3 12 (60.00%) DHCP
4 11 (55.00%) NetScaler
5 9 (45.00%) Wireless
6 8 (40.00%) Network Security
7 7 (35.00%) Internet
8 3 (15.00%) HTTP
8 3 (15.00%) HTTPS
8 3 (15.00%) LAN
8 3 (15.00%) TCP/IP
8 3 (15.00%) WAN
9 1 (5.00%) Wi-Fi
Database & Business Intelligence
1 6 (30.00%) BusinessObjects
2 4 (20.00%) Apache Cassandra
2 4 (20.00%) MongoDB
2 4 (20.00%) MySQL
3 1 (5.00%) Couchbase
Development Applications
1 5 (25.00%) Git (software)
1 5 (25.00%) Jenkins
2 2 (10.00%) Vagrant
General
1 2 (10.00%) Telecoms
Job Titles
1 11 (55.00%) Network Engineer
2 6 (30.00%) DevOps Engineer
3 3 (15.00%) 3rd Line Engineer
3 3 (15.00%) 3rd Line Network Engineer
3 3 (15.00%) Infrastructure Engineer
3 3 (15.00%) Linux Engineer
3 3 (15.00%) Network Infrastructure Engineer
4 2 (10.00%) Linux DevOps Engineer
4 2 (10.00%) Linux/Unix DevOps
4 2 (10.00%) Systems Engineer
5 1 (5.00%) Analyst
5 1 (5.00%) Automation Engineer
5 1 (5.00%) AWS DevOps
5 1 (5.00%) AWS DevOps Engineer
5 1 (5.00%) AWS Engineer
5 1 (5.00%) DevOps Systems Engineer
5 1 (5.00%) Linux Systems Engineer
5 1 (5.00%) Senior Analyst
5 1 (5.00%) Senior Test Analyst
5 1 (5.00%) Splunk Engineer
Libraries, Frameworks & Software Standards
1 11 (55.00%) Regular Expression
2 4 (20.00%) Elastic Stack
2 4 (20.00%) Sensu
3 1 (5.00%) LAMP
3 1 (5.00%) Web Services
Miscellaneous
1 4 (20.00%) Video on Demand
Operating Systems
1 20 (100.00%) Linux
2 11 (55.00%) Red Hat Enterprise Linux
3 3 (15.00%) Ubuntu
4 2 (10.00%) Mac OS
4 2 (10.00%) Windows
Processes & Methodologies
1 11 (55.00%) Email Filtering
1 11 (55.00%) Kalman Filter
1 11 (55.00%) Vulnerability Scanning
2 8 (40.00%) Load Balancing
3 7 (35.00%) DevOps
4 6 (30.00%) Agile Software Development
4 6 (30.00%) Customer Requirements
5 4 (20.00%) DRM
6 3 (15.00%) Change Management
6 3 (15.00%) Collaborative Working
6 3 (15.00%) Configuration Management
6 3 (15.00%) Open Source
6 3 (15.00%) Software Engineering
7 2 (10.00%) Continuous Delivery
7 2 (10.00%) Continuous Integration
7 2 (10.00%) ITIL
8 1 (5.00%) Migration
8 1 (5.00%) Performance Testing
8 1 (5.00%) Release Management
8 1 (5.00%) Test Management
Programming Languages
1 4 (20.00%) PHP
2 3 (15.00%) Perl
2 3 (15.00%) Python
2 3 (15.00%) SQL
3 1 (5.00%) PowerShell
Qualifications
1 2 (10.00%) CCNA
1 2 (10.00%) Cisco Certification
2 1 (5.00%) CCIE
2 1 (5.00%) CCNP
2 1 (5.00%) ISTQB
2 1 (5.00%) SC Cleared
2 1 (5.00%) Security Cleared
Quality Assurance & Compliance
1 1 (5.00%) QA
System Software
1 5 (25.00%) Xen
2 4 (20.00%) KVM
3 3 (15.00%) Docker
3 3 (15.00%) VMware Infrastructure
4 1 (5.00%) Snort
4 1 (5.00%) Virtual Machines
Systems Management
1 6 (30.00%) Opscode Chef
2 4 (20.00%) Grafana
2 4 (20.00%) Puppet
3 3 (15.00%) Ansible
3 3 (15.00%) Kubernetes
3 3 (15.00%) logstash
4 2 (10.00%) Packer
4 2 (10.00%) Terraform
Vendors
1 11 (55.00%) Cisco
1 11 (55.00%) Citrix
2 8 (40.00%) CheckPoint
2 8 (40.00%) Dell
2 8 (40.00%) Extreme Networks
3 4 (20.00%) Oracle
3 4 (20.00%) Red Hat
3 4 (20.00%) Splunk
4 3 (15.00%) SaltStack
4 3 (15.00%) VMware
5 1 (5.00%) CA
5 1 (5.00%) Google
5 1 (5.00%) Rackspace
5 1 (5.00%) Sun