The table below looks at the statistics for Postfix skills in IT jobs advertised for the London region. Included is a guide to the salaries offered in IT jobs that have cited Postfix over the 3 months to 29 July 2016 with a comparison to the same period over the previous 2 years.

3 months to
29 Jul 2016
Same period 2015 Same period 2014
Postfix
Rank 606 644 668
Rank change year-on-year
+38 +24
Permanent jobs citing Postfix 17 35 22
As % of all permanent IT jobs located in London 0.043% 0.079% 0.045%
As % of the System Software category 0.34% 0.74% 0.43%
Number of salaries quoted 12 35 22
Median salary £57,500 £47,500 £53,750
Median salary % change year-on-year
+21.05% -11.62%
90% offered a salary of more than £50,250 £37,500 £40,000
10% offered a salary of more than £66,500 £70,000 £65,000
UK excluding London median salary £35,000 £45,000 £35,000
% change year-on-year
-22.22% +28.57%
Postfix
England

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

System Software Category
London
Permanent IT job ads with a match in the
System Software category
5013 4732 5079
As % of all permanent IT jobs located in London 12.74% 10.66% 10.50%
Number of salaries quoted 4405 4119 4365
Median salary £52,000 £47,500 £46,500
Median salary % change year-on-year
+9.47% +2.15%
90% offered a salary of more than £30,000 £28,500 £28,000
10% offered a salary of more than £75,000 £70,000 £75,000
UK excluding London median salary £40,000 £38,000 £37,500
% change year-on-year
+5.26% +1.33%

Postfix
Jobs Demand Trend in London

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

Postfix Jobs Demand Trend in London

Postfix
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Postfix across the London region.

Postfix Salary Trend in London

Postfix
Salary Histogram in London

This chart provides a salary histogram for IT jobs citing Postfix across the London region over the 3 months to 29 July 2016.

Postfix Salary Histogram in London

Postfix
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Postfix within the London region over the 3 months to 29 July 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Croydon - 4 £66,500 -
City of London +43 1 £50,000 -28.57%
Wimbledon - 1 - -
Postfix
England

Postfix
Top 30 Related IT Skills in London

For the 6 months to 29 July 2016, IT jobs citing Postfix also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for Postfix.

1 38 (90.48%) Linux
2 23 (54.76%) Unix
2 23 (54.76%) Apache
2 23 (54.76%) Migration
3 21 (50.00%) Disaster Recovery
3 21 (50.00%) DNS
3 21 (50.00%) High Availability
4 20 (47.62%) Perl
5 18 (42.86%) MySQL
5 18 (42.86%) Red Hat
5 18 (42.86%) Bash Shell
6 17 (40.48%) Puppet
6 17 (40.48%) VMware
7 16 (38.10%) LAMP
7 16 (38.10%) VMware Infrastructure
7 16 (38.10%) Active Directory
7 16 (38.10%) Nagios
8 15 (35.71%) Firewall
8 15 (35.71%) Windows
8 15 (35.71%) Windows Server
9 14 (33.33%) Patch Management
9 14 (33.33%) Exchange Server 2013
9 14 (33.33%) Kalman Filter
9 14 (33.33%) Change Control
9 14 (33.33%) Skype for Business
9 14 (33.33%) Exchange Server 2010
9 14 (33.33%) Windows Server 2012
9 14 (33.33%) Java
9 14 (33.33%) MCSE
9 14 (33.33%) MCSA

Postfix
Top Related IT Skills in 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 23 (54.76%) Apache
2 14 (33.33%) Exchange Server 2007
2 14 (33.33%) Exchange Server 2010
2 14 (33.33%) Exchange Server 2013
2 14 (33.33%) MS Exchange
2 14 (33.33%) Office Communications Server
2 14 (33.33%) Skype for Business
3 9 (21.43%) Tomcat
4 7 (16.67%) JBoss
4 7 (16.67%) Liferay
5 4 (9.52%) nginx
6 2 (4.76%) Confluence
6 2 (4.76%) uWSGI
7 1 (2.38%) IIS
Applications
1 14 (33.33%) MS Excel
Business Applications
1 1 (2.38%) Sentinel
Cloud Services
1 4 (9.52%) Amazon AWS
2 3 (7.14%) Amazon EC2
2 3 (7.14%) Amazon S3
2 3 (7.14%) Virtual Private Cloud
3 2 (4.76%) Amazon ELB
3 2 (4.76%) IaaS
3 2 (4.76%) SaaS
4 1 (2.38%) AWS CloudFormation
Communications & Networking
1 21 (50.00%) DNS
2 15 (35.71%) Firewall
3 12 (28.57%) DHCP
3 12 (28.57%) HTTP
3 12 (28.57%) SSL
4 10 (23.81%) SMTP
4 10 (23.81%) TCP/IP
5 9 (21.43%) LDAP
5 9 (21.43%) SNMP
6 7 (16.67%) Internet
6 7 (16.67%) iSCSI
6 7 (16.67%) NAS
6 7 (16.67%) SAN
6 7 (16.67%) tcpdump
6 7 (16.67%) Telnet
7 6 (14.29%) MRTG
8 3 (7.14%) Asterisk PBX
8 3 (7.14%) IPsec
8 3 (7.14%) OpenLDAP
8 3 (7.14%) OpenVPN
Database & Business Intelligence
1 18 (42.86%) MySQL
2 14 (33.33%) PostgreSQL
3 7 (16.67%) Oracle Database
4 4 (9.52%) MariaDB
5 1 (2.38%) SQL Server
Development Applications
1 9 (21.43%) Git (software)
2 7 (16.67%) Hudson
2 7 (16.67%) Jenkins
3 5 (11.90%) Subversion
4 4 (9.52%) Liquibase
5 2 (4.76%) JIRA
General
1 7 (16.67%) Banking
1 7 (16.67%) Finance
2 5 (11.90%) Marketing
3 4 (9.52%) Games
4 2 (4.76%) Telecoms
Job Titles
1 30 (71.43%) Administrator
2 14 (33.33%) Exchange Administrator
3 11 (26.19%) Linux Administrator
4 9 (21.43%) Systems Administrator
5 5 (11.90%) Linux Engineer
6 4 (9.52%) Developer
6 4 (9.52%) Java Developer
6 4 (9.52%) Linux Systems Administrator
7 2 (4.76%) DevOps Engineer
7 2 (4.76%) IP Engineer
7 2 (4.76%) IP Network Engineer
7 2 (4.76%) Linux DevOps Engineer
7 2 (4.76%) Linux Systems Engineer
7 2 (4.76%) Network Engineer
7 2 (4.76%) Network Systems Engineer
7 2 (4.76%) Support Engineer
7 2 (4.76%) Systems Engineer
7 2 (4.76%) Web Engineer
7 2 (4.76%) Web Hosting Engineer
7 2 (4.76%) Web Support Engineer
Libraries, Frameworks & Software Standards
1 16 (38.10%) LAMP
2 10 (23.81%) LAPP Stack
3 7 (16.67%) JDBC
4 4 (9.52%) XML
5 2 (4.76%) Django
5 2 (4.76%) FreeSWITCH
5 2 (4.76%) LEMP Stack
5 2 (4.76%) PHP-FPM
5 2 (4.76%) Web Services
5 2 (4.76%) WSGI
Miscellaneous
1 14 (33.33%) Blackberry
2 9 (21.43%) Clustering
3 8 (19.05%) Wiki
4 7 (16.67%) Cryptography
5 4 (9.52%) Fintech
5 4 (9.52%) Online Games
5 4 (9.52%) Replication
6 3 (7.14%) Data Centre
6 3 (7.14%) Hedge funds
7 2 (4.76%) Public Cloud
8 1 (2.38%) Computer Science
8 1 (2.38%) Life Science
Operating Systems
1 38 (90.48%) Linux
2 23 (54.76%) Unix
3 15 (35.71%) Windows
3 15 (35.71%) Windows Server
4 14 (33.33%) Mac OS
4 14 (33.33%) Windows Server 2008
4 14 (33.33%) Windows Server 2012
5 10 (23.81%) CentOS
6 8 (19.05%) Red Hat Enterprise Linux
7 7 (16.67%) FreeBSD
7 7 (16.67%) SUSE Linux Enterprise Server
8 3 (7.14%) Debian
8 3 (7.14%) Ubuntu
9 1 (2.38%) Solaris
Processes & Methodologies
1 23 (54.76%) Migration
2 21 (50.00%) Disaster Recovery
2 21 (50.00%) High Availability
3 14 (33.33%) Change Control
3 14 (33.33%) Information Security
3 14 (33.33%) Kalman Filter
3 14 (33.33%) Patch Management
4 9 (21.43%) Load Balancing
5 8 (19.05%) Configuration Management
5 8 (19.05%) DNA
6 7 (16.67%) ITIL
6 7 (16.67%) Memory Management
6 7 (16.67%) Wealth Management
7 6 (14.29%) Analytics
8 3 (7.14%) DevOps
8 3 (7.14%) Systematic Trading
9 2 (4.76%) BCP
9 2 (4.76%) Capacity Planning
9 2 (4.76%) Release Management
10 1 (2.38%) Continuous Integration
Programming Languages
1 20 (47.62%) Perl
2 18 (42.86%) Bash Shell
3 14 (33.33%) Java
3 14 (33.33%) PowerShell
4 10 (23.81%) PHP
5 9 (21.43%) Shell Script
6 7 (16.67%) AWK
6 7 (16.67%) sed
6 7 (16.67%) SQL
7 6 (14.29%) C
8 4 (9.52%) Groovy
8 4 (9.52%) Python
9 1 (2.38%) Ruby
Qualifications
1 14 (33.33%) MCSA
1 14 (33.33%) MCSE
1 14 (33.33%) Microsoft Certification
2 8 (19.05%) Degree
3 7 (16.67%) RHCE
4 4 (9.52%) SC Cleared
4 4 (9.52%) Security Cleared
System Software
1 16 (38.10%) Active Directory
1 16 (38.10%) VMware Infrastructure
2 8 (19.05%) NFS
2 8 (19.05%) Squid
3 7 (16.67%) iptables
4 6 (14.29%) KVM
4 6 (14.29%) oVirt
4 6 (14.29%) Xen
5 4 (9.52%) Samba
6 3 (7.14%) Docker
7 2 (4.76%) BIND 9
7 2 (4.76%) Kamailio
7 2 (4.76%) Sendmail
7 2 (4.76%) VMware ESXi
8 1 (2.38%) LXC
8 1 (2.38%) qmail
Systems Management
1 17 (40.48%) Puppet
2 16 (38.10%) Nagios
3 8 (19.05%) Munin
4 7 (16.67%) Nmap
5 4 (9.52%) ZABBIX
6 3 (7.14%) Cacti
6 3 (7.14%) Opscode Chef
7 2 (4.76%) HAProxy
8 1 (2.38%) cPanel
8 1 (2.38%) Plesk
8 1 (2.38%) Red Hat Satellite
8 1 (2.38%) Red Hat Spacewalk
Vendors
1 18 (42.86%) Red Hat
2 17 (40.48%) VMware
3 14 (33.33%) Microsoft
4 7 (16.67%) EMC
4 7 (16.67%) NetApp
4 7 (16.67%) Novell
4 7 (16.67%) Oracle
4 7 (16.67%) SAP
5 3 (7.14%) Cisco
6 2 (4.76%) Dell
7 1 (2.38%) SolarWinds
7 1 (2.38%) Sun