Period
to 23 July 2017

The following table provides summary statistics for contract job vacancies advertised in the East of England 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 23 July 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
England > East of England
6 months to
23 Jul 2017
Same period 2016 Same period 2015
Rank 178 176 203
Rank change year-on-year -2 +27 -3
Contract jobs citing CentOS 19 19 7
As % of all contract IT jobs advertised in the East of England 0.41% 0.37% 0.12%
As % of the Operating Systems category 1.72% 1.60% 0.47%
Number of daily rates quoted 9 13 2
East of England median daily rate £525 £375 £190
Median daily rate % change year-on-year +40.00% +97.37% -52.50%
10th Percentile £253 £233 £185
90th Percentile £585 £470 £195
England median daily rate £496 £450 £400
% change year-on-year +10.26% +12.50% +6.67%
Number of hourly rates quoted 0 3 0
East of England median hourly rate - £13.50 -
England median hourly rate £37.50 £13.50 -
% change year-on-year +177.78% - -

CentOS is in the operating system skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the East of England with a requirement for operating system skills.

Contract Operating System Skills
East of England
Contract job vacancies with a requirement for operating system skills 1105 1190 1488
As % of all contract IT job vacancies advertised in the East of England 23.73% 23.04% 25.16%
Number of daily rates quoted 570 662 782
East of England median daily rate £373 £350 £350
Median daily rate % change year-on-year +6.43% - +9.38%
10th Percentile £143 £155 £158
90th Percentile £566 £538 £475
England median daily rate £425 £400 £375
% change year-on-year +6.25% +6.67% +1.35%
Number of hourly rates quoted 150 166 203
East of England median hourly rate £17.50 £16.50 £17.50
Median hourly rate % change year-on-year +6.06% -5.71% +6.06%
10th Percentile £11.85 £12.75 £11.00
90th Percentile £47.50 £41.63 £43.75
England median hourly rate £16.50 £16.50 £16.16
% change year-on-year - +2.10% +2.60%

CentOS
Job Vacancy Trend in the East of England

Job postings citing CentOS as a percentage of all IT jobs advertised in the East of England.

Job vacancy trend for CentOS in the East of England

CentOS
Contractor Daily Rate Trend in the East of England

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

Contractor daily rate trend for CentOS in the East of England

CentOS
Contractor Daily Rate Histogram in the East of England

The daily rate distribution of IT jobs citing CentOS in the East of England over the 6 months to 23 July 2017.

Contractor daily rate histogram for CentOS in the East of England

CentOS
Contractor Hourly Rate Trend in the East of England

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing CentOS in the East of England.

Contractor hourly rate trend for CentOS in the East of England

CentOS
Contract Job Locations in the East of England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the East of England region over the 6 months to 23 July 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
Cambridgeshire +10 9 £275 -42.11% 3
Essex -21 6 £563 +95.65% 1
Hertfordshire -3 4 £550 +46.67% 1
CentOS
England

For the 6 months to 23 July 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 East of England region with a requirement for CentOS.

1 19 (100.00%) Linux
2 15 (78.95%) Red Hat Enterprise Linux
3 12 (63.16%) Red Hat
4 11 (57.89%) VMware
5 9 (47.37%) SC Cleared
5 9 (47.37%) Security Cleared
6 8 (42.11%) Cisco
7 7 (36.84%) Ubuntu
7 7 (36.84%) DevOps
8 6 (31.58%) Jenkins
8 6 (31.58%) Continuous Integration
8 6 (31.58%) Unix
8 6 (31.58%) Active Directory
8 6 (31.58%) Configuration Management
9 5 (26.32%) Cloudera
9 5 (26.32%) Apache Spark
9 5 (26.32%) Hadoop
9 5 (26.32%) yum
9 5 (26.32%) Terraform
9 5 (26.32%) Virtual Machines
10 4 (21.05%) Task Automation
10 4 (21.05%) Application Performance Management
10 4 (21.05%) AppDynamics
10 4 (21.05%) PagerDuty
10 4 (21.05%) AWS CloudFormation
10 4 (21.05%) AWS Lambda
10 4 (21.05%) Amazon AWS
10 4 (21.05%) Git (software)
10 4 (21.05%) Pingdom
10 4 (21.05%) Ansible

CentOS
Co-occurring IT Skills in the East of England 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 5 (26.32%) Apache Spark
2 4 (21.05%) Confluence
3 1 (5.26%) OpenStack
3 1 (5.26%) WebSphere
Cloud Services
1 4 (21.05%) Amazon AWS
1 4 (21.05%) AWS CloudFormation
1 4 (21.05%) AWS Lambda
2 1 (5.26%) Google Cloud Platform
Communications & Networking
1 2 (10.53%) HTTP
1 2 (10.53%) Internet
1 2 (10.53%) LDAP
1 2 (10.53%) SSL
1 2 (10.53%) TCP/IP
2 1 (5.26%) DHCP
2 1 (5.26%) DNS
2 1 (5.26%) Firewall
2 1 (5.26%) iSCSI
2 1 (5.26%) OpenLDAP
2 1 (5.26%) SNMP
2 1 (5.26%) Wireless
Database & Business Intelligence
1 5 (26.32%) Hadoop
2 4 (21.05%) Amazon DynamoDB
Development Applications
1 6 (31.58%) Jenkins
2 4 (21.05%) Bitbucket
2 4 (21.05%) Git (software)
2 4 (21.05%) JIRA
General
1 3 (15.79%) Telecoms
2 2 (10.53%) Electronics
2 2 (10.53%) Finance
2 2 (10.53%) Manufacturing
2 2 (10.53%) Marketing
Job Titles
1 8 (42.11%) Linux Engineer
2 6 (31.58%) DevOps Engineer
3 5 (26.32%) Consultant
4 3 (15.79%) Linux Consultant
4 3 (15.79%) VMware Engineer
5 2 (10.53%) AWS DevOps
5 2 (10.53%) AWS DevOps Engineer
5 2 (10.53%) AWS Engineer
5 2 (10.53%) Lead DevOps
6 1 (5.26%) 1st/2nd Line Help Desk Support
6 1 (5.26%) 1st/2nd Line Service Desk Analyst
6 1 (5.26%) 1st/2nd Line Support
6 1 (5.26%) 1st/2nd Line Support Analyst
6 1 (5.26%) 3rd Line Engineer
6 1 (5.26%) Lead DevOps Engineer
6 1 (5.26%) Linux DevOps Engineer
6 1 (5.26%) Senior DevOps
6 1 (5.26%) Senior DevOps Consultant
6 1 (5.26%) Service Desk Support
6 1 (5.26%) Service Desk Support Analyst
Libraries, Frameworks & Software Standards
1 1 (5.26%) JSON
1 1 (5.26%) RabbitMQ
1 1 (5.26%) XML
1 1 (5.26%) ZeroMQ
Miscellaneous
1 1 (5.26%) Data Centre
1 1 (5.26%) LPAR
Operating Systems
1 19 (100.00%) Linux
2 15 (78.95%) Red Hat Enterprise Linux
3 7 (36.84%) Ubuntu
4 6 (31.58%) Unix
5 3 (15.79%) Windows
6 2 (10.53%) Fedora
6 2 (10.53%) Windows Server
6 2 (10.53%) Windows Server 2008
6 2 (10.53%) Windows Server 2012
7 1 (5.26%) AIX
7 1 (5.26%) Debian
7 1 (5.26%) Windows 7
Processes & Methodologies
1 7 (36.84%) DevOps
2 6 (31.58%) Configuration Management
2 6 (31.58%) Continuous Integration
3 4 (21.05%) Application Performance Management
3 4 (21.05%) Performance Management
3 4 (21.05%) Task Automation
4 2 (10.53%) Business Intelligence
4 2 (10.53%) Coaching
4 2 (10.53%) Continuous Delivery
4 2 (10.53%) Digital Marketing
4 2 (10.53%) Line Management
4 2 (10.53%) Mentoring
4 2 (10.53%) Open Source
4 2 (10.53%) Programme Management
4 2 (10.53%) Test Automation
5 1 (5.26%) Service Delivery
5 1 (5.26%) Software Engineering
Programming Languages
1 4 (21.05%) Python
2 3 (15.79%) Perl
3 2 (10.53%) Java
3 2 (10.53%) Shell Script
4 1 (5.26%) AWK
4 1 (5.26%) Bash Shell
4 1 (5.26%) sed
Qualifications
1 9 (47.37%) SC Cleared
1 9 (47.37%) Security Cleared
Quality Assurance & Compliance
1 1 (5.26%) SLA
System Software
1 6 (31.58%) Active Directory
2 5 (26.32%) Virtual Machines
3 3 (15.79%) Docker
4 2 (10.53%) VMware Infrastructure
Systems Management
1 5 (26.32%) Terraform
1 5 (26.32%) yum
2 4 (21.05%) Ansible
2 4 (21.05%) Pingdom
3 3 (15.79%) Kubernetes
4 2 (10.53%) Opscode Chef
4 2 (10.53%) Puppet
5 1 (5.26%) Packer
5 1 (5.26%) ZABBIX
Vendors
1 12 (63.16%) Red Hat
2 11 (57.89%) VMware
3 8 (42.11%) Cisco
4 5 (26.32%) Cloudera
5 4 (21.05%) AppDynamics
5 4 (21.05%) Atlassian
5 4 (21.05%) PagerDuty
6 2 (10.53%) SAP
7 1 (5.26%) Dell
7 1 (5.26%) EMC
7 1 (5.26%) Google
7 1 (5.26%) HP
7 1 (5.26%) IBM
7 1 (5.26%) Microsoft