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 2 May 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
2 May 2016
Same period 2015 Same period 2014
Postfix
Rank 164 - 213
Rank change year-on-year
- 0
Contract jobs citing Postfix 2 0 3
As % of all contract IT jobs located in the City of London 0.057% - 0.047%
As % of the System Software category 0.56% - 0.58%
Number of daily rates quoted 0 0 2
Median daily rate - - £400
UK excluding London median daily rate £383 £363 £425
% change year-on-year
+5.51% -14.70%
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
357 525 515
As % of all contract IT jobs located in the City of London 10.22% 9.38% 8.13%
Number of daily rates quoted 282 392 346
Median daily rate £450 £400 £375
Median daily rate % change year-on-year
+12.50% +6.66%
90% offered a daily rate of more than £295 £222 £189
10% offered a daily rate of more than £600 £550 £575
UK excluding London median daily rate £358 £338 £320
% change year-on-year
+5.92% +5.46%
Number of hourly rates quoted 21 30 36
Median hourly rate £19.00 £18.70 £20.50
Median hourly rate % change year-on-year
+1.60% -8.78%
90% offered a hourly rate of more than £12.45 £12.05 £12.00
10% offered a hourly rate of more than £22.00 £23.75 £28.20
UK excluding London median hourly rate £17.50 £16.50 £16.25
% change year-on-year
+6.06% +1.53%

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
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 2 May 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%) Perl
1 4 (100.00%) Linux
1 4 (100.00%) Apache
1 4 (100.00%) Red Hat
1 4 (100.00%) Debian
1 4 (100.00%) Ubuntu
1 4 (100.00%) Puppet
1 4 (100.00%) Bash Shell
1 4 (100.00%) Jenkins
2 3 (75.00%) Open Source
2 3 (75.00%) DevOps
2 3 (75.00%) Squid
2 3 (75.00%) VMware Infrastructure
2 3 (75.00%) Cacti
2 3 (75.00%) VMware
2 3 (75.00%) Nagios
2 3 (75.00%) FTP
2 3 (75.00%) HTTP
2 3 (75.00%) NFS
2 3 (75.00%) DNS
2 3 (75.00%) SMTP
2 3 (75.00%) Python
2 3 (75.00%) JBoss
2 3 (75.00%) PHP
3 2 (50.00%) LDAP
3 2 (50.00%) Tomcat
3 2 (50.00%) OSPF
3 2 (50.00%) BGP
3 2 (50.00%) VPN
3 2 (50.00%) VMware Certified Professional (VCP)

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 3 (75.00%) JBoss
3 2 (50.00%) Tomcat
4 1 (25.00%) Confluence
4 1 (25.00%) MediaWiki
4 1 (25.00%) nginx
4 1 (25.00%) OpenStack
4 1 (25.00%) SAS
Cloud Services
1 2 (50.00%) Amazon AWS
Communications & Networking
1 3 (75.00%) DNS
1 3 (75.00%) FTP
1 3 (75.00%) HTTP
1 3 (75.00%) SMTP
2 2 (50.00%) BGP
2 2 (50.00%) Firewall
2 2 (50.00%) LDAP
2 2 (50.00%) OSPF
2 2 (50.00%) VPN
3 1 (25.00%) EIGRP
3 1 (25.00%) Fibre Channel
3 1 (25.00%) IGRP
3 1 (25.00%) IMAP
3 1 (25.00%) IPsec
3 1 (25.00%) iSCSI
3 1 (25.00%) LAN
3 1 (25.00%) MRTG
3 1 (25.00%) Network Security
3 1 (25.00%) SSH
3 1 (25.00%) WAN
Database & Business Intelligence
1 1 (25.00%) MySQL
1 1 (25.00%) PostgreSQL
1 1 (25.00%) Relational Database
Development Applications
1 4 (100.00%) Jenkins
2 2 (50.00%) Git (software)
3 1 (25.00%) Hudson
3 1 (25.00%) JIRA
3 1 (25.00%) Subversion
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%) Administrator
3 1 (25.00%) Infrastructure Engineer
3 1 (25.00%) Java Engineer
3 1 (25.00%) Network Administrator
3 1 (25.00%) Systems Administrator
Libraries, Frameworks & Software Standards
1 1 (25.00%) LAMP
1 1 (25.00%) LAPP Stack
1 1 (25.00%) LEMP Stack
1 1 (25.00%) POSIX
Miscellaneous
1 1 (25.00%) Analytical Skills
1 1 (25.00%) Clustering
1 1 (25.00%) Data Centre
1 1 (25.00%) User Experience
1 1 (25.00%) Wiki
Operating Systems
1 4 (100.00%) Debian
1 4 (100.00%) Linux
1 4 (100.00%) Ubuntu
2 2 (50.00%) CentOS
2 2 (50.00%) Red Hat Enterprise Linux
2 2 (50.00%) SUSE
3 1 (25.00%) Solaris
3 1 (25.00%) Unix
Processes & Methodologies
1 3 (75.00%) DevOps
1 3 (75.00%) Open Source
2 2 (50.00%) Network Monitoring
2 2 (50.00%) Storage Virtualisation
3 1 (25.00%) Capacity Planning
3 1 (25.00%) Continuous Integration
3 1 (25.00%) Data Modelling
3 1 (25.00%) Database Theory
3 1 (25.00%) Disaster Recovery
3 1 (25.00%) High Availability
3 1 (25.00%) Load Balancing
3 1 (25.00%) Relational Database Theory
Programming Languages
1 4 (100.00%) Bash Shell
1 4 (100.00%) Perl
2 3 (75.00%) PHP
2 3 (75.00%) Python
3 1 (25.00%) C
3 1 (25.00%) Java
3 1 (25.00%) Korn
3 1 (25.00%) Ruby
3 1 (25.00%) Shell Script
3 1 (25.00%) SQL
Qualifications
1 2 (50.00%) VMware Certified Professional (VCP)
2 1 (25.00%) CCNA
2 1 (25.00%) Cisco Certification
System Software
1 3 (75.00%) NFS
1 3 (75.00%) Squid
1 3 (75.00%) VMware Infrastructure
2 2 (50.00%) iptables
2 2 (50.00%) Samba
2 2 (50.00%) VMware ESXi
3 1 (25.00%) Ceph
3 1 (25.00%) Dovecot
3 1 (25.00%) KVM
3 1 (25.00%) Sendmail
Systems Management
1 4 (100.00%) Puppet
2 3 (75.00%) Cacti
2 3 (75.00%) Nagios
3 2 (50.00%) Ansible
4 1 (25.00%) HAProxy
4 1 (25.00%) Oracle ZFS
4 1 (25.00%) RANCID
4 1 (25.00%) systemd
4 1 (25.00%) ZABBIX
Vendors
1 4 (100.00%) Red Hat
2 3 (75.00%) VMware
3 1 (25.00%) Atlassian
3 1 (25.00%) CA
3 1 (25.00%) Cisco
3 1 (25.00%) Supermicro