The table below looks at the statistics for Postfix skills in IT contracts advertised for the City of London region. Included is a guide to the contractor rates offered in IT contracts that have cited Postfix over the 3 months to 26 September 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
26 Sep 2016
Same period 2015 Same period 2014
Postfix
Rank 170 186 206
Rank change year-on-year
+16 +20
Contract jobs citing Postfix 2 1 2
As % of all contract IT jobs located in the City of London 0.058% 0.022% 0.034%
As % of the System Software category 0.53% 0.22% 0.33%
Number of daily rates quoted 2 1 0
Median daily rate £585 £450 -
Median daily rate % change year-on-year
+30.05% -
UK excluding London median daily rate £300 £341 £375
% change year-on-year
-12.08% -9.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -
Postfix
London

The following table is for comparison with the above and provides statistics for the entire System Software category in contract jobs advertised in the City of London region.

System Software Category
City of London
Contract IT job ads with a match in the
System Software category
378 448 612
As % of all contract IT jobs located in the City of London 10.96% 9.67% 10.44%
Number of daily rates quoted 299 332 433
Median daily rate £450 £425 £375
Median daily rate % change year-on-year
+5.88% +13.33%
90% offered a daily rate of more than £293 £250 £201
10% offered a daily rate of more than £600 £575 £550
UK excluding London median daily rate £353 £350 £320
% change year-on-year
+0.71% +9.37%
Number of hourly rates quoted 8 17 46
Median hourly rate £27.50 £19.00 £19.00
Median hourly rate % change year-on-year
+44.73% -
90% offered a hourly rate of more than £12.50 £14.50 £12.75
10% offered a hourly rate of more than £42.00 £23.75 £85.80
UK excluding London median hourly rate £16.50 £16.00 £17.00
% change year-on-year
+3.12% -5.88%

Postfix
Jobs Demand Trend in the City of London

The demand trend of contract jobs across the City of London region citing Postfix as a proportion of all IT contracts with a match in the System Software category.

Postfix Jobs Demand Trend in the City of London

Postfix
Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing Postfix across the City of London region.

Postfix Daily Rate Trend in the City of London

Postfix
Daily Rate Histogram in the City of London

This chart provides a histogram of daily rates quoted in contract IT jobs citing Postfix across the City of London region over the 3 months to 26 September 2016.

Postfix Daily Rate Histogram in the City of London

Postfix
Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing Postfix across the City of London region.

Postfix Hourly Rate Trend in the City of London

Postfix
Top 30 Related IT Skills in the City of London

For the 6 months to 26 September 2016, IT contractor jobs citing Postfix 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 City of London region with a requirement for Postfix.

1 4 (100.00%) Apache
1 4 (100.00%) DNS
1 4 (100.00%) Squid
1 4 (100.00%) VMware
1 4 (100.00%) Linux
1 4 (100.00%) Amazon AWS
1 4 (100.00%) Puppet
1 4 (100.00%) Jenkins
1 4 (100.00%) Ansible
1 4 (100.00%) DevOps
2 2 (50.00%) Ruby
2 2 (50.00%) Ubuntu
2 2 (50.00%) JBoss
2 2 (50.00%) Agile Software Development
2 2 (50.00%) SSH
2 2 (50.00%) VMware Certified Professional (VCP)
2 2 (50.00%) Maven
2 2 (50.00%) VMware ESXi
2 2 (50.00%) OpenVPN
2 2 (50.00%) vCloud
2 2 (50.00%) Bitbucket
2 2 (50.00%) Open Source
2 2 (50.00%) Bash Shell
2 2 (50.00%) Confluence
2 2 (50.00%) Kibana
2 2 (50.00%) Docker
2 2 (50.00%) logstash
2 2 (50.00%) Elasticsearch
2 2 (50.00%) MCollective
2 2 (50.00%) Network Monitoring

Postfix
Top Related IT Skills in the City of London 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 4 (100.00%) Apache
2 2 (50.00%) Confluence
2 2 (50.00%) Elasticsearch
2 2 (50.00%) JBoss
2 2 (50.00%) Tomcat
Applications
1 2 (50.00%) HipChat
Cloud Services
1 4 (100.00%) Amazon AWS
Communications & Networking
1 4 (100.00%) DNS
2 2 (50.00%) FTP
2 2 (50.00%) HTTP
2 2 (50.00%) OpenLDAP
2 2 (50.00%) OpenVPN
2 2 (50.00%) SMTP
2 2 (50.00%) SSH
Database & Business Intelligence
1 2 (50.00%) Hadoop
1 2 (50.00%) PostgreSQL
Development Applications
1 4 (100.00%) Jenkins
2 2 (50.00%) Ant
2 2 (50.00%) Bitbucket
2 2 (50.00%) Git (software)
2 2 (50.00%) JIRA
2 2 (50.00%) JIRA Agile
2 2 (50.00%) JUnit
2 2 (50.00%) Liquibase
2 2 (50.00%) Maven
2 2 (50.00%) SonarQube
2 2 (50.00%) Sonatype Nexus
General
1 2 (50.00%) Telecoms
Job Titles
1 3 (75.00%) Linux Engineer
2 2 (50.00%) AWS Engineer
2 2 (50.00%) Linux Systems Engineer
2 2 (50.00%) Systems Engineer
3 1 (25.00%) DevOps Engineer
3 1 (25.00%) Lead DevOps
3 1 (25.00%) Linux DevOps Engineer
3 1 (25.00%) Linux/Unix DevOps
Libraries, Frameworks & Software Standards
1 2 (50.00%) ELK Stack
1 2 (50.00%) MCollective
1 2 (50.00%) Software Packaging
Operating Systems
1 4 (100.00%) Linux
2 2 (50.00%) CentOS
2 2 (50.00%) Debian
2 2 (50.00%) Red Hat Enterprise Linux
2 2 (50.00%) SUSE
2 2 (50.00%) Ubuntu
Processes & Methodologies
1 4 (100.00%) DevOps
2 2 (50.00%) Agile Software Development
2 2 (50.00%) Coaching
2 2 (50.00%) Configuration Management
2 2 (50.00%) Continuous Delivery
2 2 (50.00%) Continuous Integration
2 2 (50.00%) Identity Management
2 2 (50.00%) Network Monitoring
2 2 (50.00%) Open Source
2 2 (50.00%) Scrum
2 2 (50.00%) Service Management
2 2 (50.00%) Stakeholder Management
2 2 (50.00%) Storage Virtualisation
2 2 (50.00%) Workflow
3 1 (25.00%) Case Management
3 1 (25.00%) Software Engineering
Programming Languages
1 2 (50.00%) Bash Shell
1 2 (50.00%) Perl
1 2 (50.00%) PHP
1 2 (50.00%) Python
1 2 (50.00%) Ruby
1 2 (50.00%) Shell Script
Qualifications
1 2 (50.00%) CTC Cleared
1 2 (50.00%) SC Cleared
1 2 (50.00%) Security Cleared
1 2 (50.00%) VMware Certified Professional (VCP)
System Software
1 4 (100.00%) Squid
2 2 (50.00%) Docker
2 2 (50.00%) NFS
2 2 (50.00%) vCloud
2 2 (50.00%) VMware ESXi
2 2 (50.00%) VMware Infrastructure
Systems Management
1 4 (100.00%) Ansible
1 4 (100.00%) Puppet
2 2 (50.00%) Cacti
2 2 (50.00%) Kibana
2 2 (50.00%) Kubernetes
2 2 (50.00%) logstash
2 2 (50.00%) Nagios
2 2 (50.00%) Rancher
2 2 (50.00%) Terraform
2 2 (50.00%) ZABBIX
Vendors
1 4 (100.00%) VMware
2 2 (50.00%) Atlassian
2 2 (50.00%) Oracle
2 2 (50.00%) Red Hat
2 2 (50.00%) Sonatype