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 25 September 2016 with a comparison to the same period over the previous 2 years.

3 months to
25 Sep 2016
Same period 2015 Same period 2014
Postfix
Rank 603 646 635
Rank change year-on-year
+43 -11
Permanent jobs citing Postfix 14 19 31
As % of all permanent IT jobs located in London 0.037% 0.043% 0.068%
As % of the System Software category 0.32% 0.41% 0.61%
Number of salaries quoted 14 19 28
Median salary £55,000 £47,500 £50,000
Median salary % change year-on-year
+15.78% -5.00%
90% offered a salary of more than £50,750 £41,700 £45,000
10% offered a salary of more than £66,500 £70,000 £65,000
UK excluding London median salary £37,500 £52,500 £30,000
% change year-on-year
-28.57% +75.00%
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
4351 4658 5042
As % of all permanent IT jobs located in London 11.53% 10.55% 11.01%
Number of salaries quoted 3760 4023 4368
Median salary £50,000 £46,500 £47,500
Median salary % change year-on-year
+7.52% -2.10%
90% offered a salary of more than £30,000 £27,500 £28,500
10% offered a salary of more than £77,500 £65,000 £70,000
UK excluding London median salary £40,000 £38,500 £37,500
% change year-on-year
+3.89% +2.66%

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 25 September 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 25 September 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 -
Hayes - 2 £55,000 -
City of London +56 1 £50,000 -28.57%
Postfix
England

Postfix
Top 30 Related IT Skills in London

For the 6 months to 25 September 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 26 (86.67%) Linux
2 17 (56.67%) Apache
3 15 (50.00%) Red Hat
4 14 (46.67%) Firewall
5 13 (43.33%) Migration
5 13 (43.33%) Unix
6 12 (40.00%) Windows
6 12 (40.00%) DNS
6 12 (40.00%) Active Directory
7 11 (36.67%) Microsoft
7 11 (36.67%) MySQL
7 11 (36.67%) MS Exchange
7 11 (36.67%) Skype for Business
7 11 (36.67%) Exchange Server 2010
7 11 (36.67%) Exchange Server 2013
8 10 (33.33%) High Availability
8 10 (33.33%) Bash Shell
8 10 (33.33%) MS Excel
8 10 (33.33%) Perl
8 10 (33.33%) MCSE
8 10 (33.33%) MCSA
8 10 (33.33%) Microsoft Certification
9 9 (30.00%) Disaster Recovery
9 9 (30.00%) Java
9 9 (30.00%) PostgreSQL
9 9 (30.00%) VMware
9 9 (30.00%) Windows Server 2008
9 9 (30.00%) CentOS
9 9 (30.00%) Windows Server 2012
9 9 (30.00%) Windows Server

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 17 (56.67%) Apache
2 11 (36.67%) Exchange Server 2010
2 11 (36.67%) Exchange Server 2013
2 11 (36.67%) MS Exchange
2 11 (36.67%) Skype for Business
3 8 (26.67%) Exchange Server 2007
3 8 (26.67%) Office Communications Server
4 3 (10.00%) SharePoint
5 2 (6.67%) nginx
5 2 (6.67%) Tomcat
6 1 (3.33%) CMS
6 1 (3.33%) Drupal
6 1 (3.33%) IIS
6 1 (3.33%) JBoss
6 1 (3.33%) Liferay
6 1 (3.33%) WordPress
Applications
1 10 (33.33%) MS Excel
Business Applications
1 1 (3.33%) Magento
1 1 (3.33%) Sentinel
Cloud Services
1 3 (10.00%) Amazon AWS
2 2 (6.67%) Amazon EC2
2 2 (6.67%) Amazon S3
2 2 (6.67%) Cloud Computing
2 2 (6.67%) Virtual Private Cloud
3 1 (3.33%) Amazon ELB
3 1 (3.33%) AWS CloudFormation
3 1 (3.33%) IaaS
3 1 (3.33%) SaaS
Communications & Networking
1 14 (46.67%) Firewall
2 12 (40.00%) DNS
3 5 (16.67%) DHCP
3 5 (16.67%) SSL
4 4 (13.33%) HTTP
4 4 (13.33%) Internet
4 4 (13.33%) TCP/IP
4 4 (13.33%) VPN
5 3 (10.00%) Asterisk PBX
5 3 (10.00%) Ethernet
5 3 (10.00%) HTTPS
5 3 (10.00%) IPsec
5 3 (10.00%) MRTG
5 3 (10.00%) OpenLDAP
5 3 (10.00%) OpenVPN
5 3 (10.00%) Skype
5 3 (10.00%) SSH
5 3 (10.00%) VLAN
6 2 (6.67%) FTP
6 2 (6.67%) LDAP
Database & Business Intelligence
1 11 (36.67%) MySQL
2 9 (30.00%) PostgreSQL
3 1 (3.33%) Hadoop
3 1 (3.33%) MariaDB
3 1 (3.33%) MongoDB
3 1 (3.33%) Oracle Database
3 1 (3.33%) SQL Server
Development Applications
1 4 (13.33%) Liquibase
2 3 (10.00%) Subversion
3 1 (3.33%) Git (software)
3 1 (3.33%) Hudson
3 1 (3.33%) Jenkins
General
1 2 (6.67%) Marketing
2 1 (3.33%) Banking
2 1 (3.33%) Finance
Job Titles
1 18 (60.00%) Administrator
2 9 (30.00%) Systems Administrator
3 8 (26.67%) Exchange Administrator
3 8 (26.67%) Linux Administrator
4 7 (23.33%) Linux Systems Administrator
5 4 (13.33%) Developer
5 4 (13.33%) Java Developer
6 3 (10.00%) 3rd Line Engineer
6 3 (10.00%) Linux Engineer
7 2 (6.67%) Senior Linux Administrator
7 2 (6.67%) Senior Linux Systems Administrator
7 2 (6.67%) Senior Systems Administrator
8 1 (3.33%) Solaris Administrator
8 1 (3.33%) Solaris Systems Administrator
8 1 (3.33%) Unix Administrator
8 1 (3.33%) Unix Systems Administrator
8 1 (3.33%) Web Engineer
8 1 (3.33%) Web Support Engineer
8 1 (3.33%) Windows Administrator
8 1 (3.33%) Windows Systems Administrator
Libraries, Frameworks & Software Standards
1 7 (23.33%) LAMP
2 5 (16.67%) LAPP Stack
3 4 (13.33%) XML
4 1 (3.33%) JDBC
4 1 (3.33%) LEMP Stack
4 1 (3.33%) REST
4 1 (3.33%) Web Services
Miscellaneous
1 8 (26.67%) Blackberry
2 4 (13.33%) Fintech
2 4 (13.33%) Wiki
3 3 (10.00%) Clustering
3 3 (10.00%) Computer Science
3 3 (10.00%) Hedge funds
4 1 (3.33%) Cryptography
4 1 (3.33%) Data Centre
4 1 (3.33%) Life Science
4 1 (3.33%) Replication
Operating Systems
1 26 (86.67%) Linux
2 13 (43.33%) Unix
3 12 (40.00%) Windows
4 9 (30.00%) CentOS
4 9 (30.00%) Windows Server
4 9 (30.00%) Windows Server 2008
4 9 (30.00%) Windows Server 2012
5 8 (26.67%) Mac OS
5 8 (26.67%) Red Hat Enterprise Linux
6 4 (13.33%) FreeBSD
7 3 (10.00%) Windows 10
7 3 (10.00%) Windows 7
7 3 (10.00%) Windows 8
8 2 (6.67%) Debian
8 2 (6.67%) Ubuntu
9 1 (3.33%) Solaris
9 1 (3.33%) SUSE Linux Enterprise Server
Processes & Methodologies
1 13 (43.33%) Migration
2 10 (33.33%) High Availability
3 9 (30.00%) Disaster Recovery
4 8 (26.67%) Change Control
4 8 (26.67%) Information Security
4 8 (26.67%) Kalman Filter
4 8 (26.67%) Patch Management
4 8 (26.67%) Regulatory Compliance
5 4 (13.33%) DNA
6 3 (10.00%) Analytics
6 3 (10.00%) Configuration Management
6 3 (10.00%) DevOps
6 3 (10.00%) Systematic Trading
7 2 (6.67%) Load Balancing
7 2 (6.67%) Time Management
8 1 (3.33%) Capacity Planning
8 1 (3.33%) Continuous Integration
8 1 (3.33%) E-Commerce
8 1 (3.33%) ITIL
8 1 (3.33%) Wealth Management
Programming Languages
1 10 (33.33%) Bash Shell
1 10 (33.33%) Perl
2 9 (30.00%) Java
3 8 (26.67%) PowerShell
4 7 (23.33%) PHP
5 4 (13.33%) Groovy
5 4 (13.33%) SQL
6 3 (10.00%) C
6 3 (10.00%) Python
7 2 (6.67%) Ruby
7 2 (6.67%) Shell Script
8 1 (3.33%) AWK
8 1 (3.33%) sed
Qualifications
1 10 (33.33%) MCSA
1 10 (33.33%) MCSE
1 10 (33.33%) Microsoft Certification
2 4 (13.33%) Degree
2 4 (13.33%) SC Cleared
2 4 (13.33%) Security Cleared
3 2 (6.67%) CCNA
3 2 (6.67%) Cisco Certification
3 2 (6.67%) RHCE
System Software
1 12 (40.00%) Active Directory
2 8 (26.67%) VMware Infrastructure
3 6 (20.00%) KVM
3 6 (20.00%) Xen
4 5 (16.67%) Squid
5 4 (13.33%) Samba
5 4 (13.33%) Sendmail
6 3 (10.00%) Docker
6 3 (10.00%) Hyper-V
6 3 (10.00%) Microsoft Virtual Server
6 3 (10.00%) oVirt
6 3 (10.00%) qmail
6 3 (10.00%) Virtual Servers
6 3 (10.00%) vSphere
7 2 (6.67%) NFS
8 1 (3.33%) iptables
8 1 (3.33%) LXC
8 1 (3.33%) Varnish
Systems Management
1 6 (20.00%) Puppet
2 5 (16.67%) Nagios
3 4 (13.33%) ZABBIX
4 3 (10.00%) Backup Exec
4 3 (10.00%) Munin
4 3 (10.00%) Opscode Chef
5 1 (3.33%) Cacti
5 1 (3.33%) cPanel
5 1 (3.33%) Failover Clustering
5 1 (3.33%) Kubernetes
5 1 (3.33%) Nmap
5 1 (3.33%) Plesk
5 1 (3.33%) Red Hat Satellite
5 1 (3.33%) Red Hat Spacewalk
5 1 (3.33%) Salt
Vendors
1 15 (50.00%) Red Hat
2 11 (36.67%) Microsoft
3 9 (30.00%) VMware
4 4 (13.33%) Cisco
4 4 (13.33%) EMC
4 4 (13.33%) NetApp
5 3 (10.00%) Dell
5 3 (10.00%) HP
5 3 (10.00%) Veritas
6 1 (3.33%) Novell
6 1 (3.33%) Oracle
6 1 (3.33%) SaltStack
6 1 (3.33%) SAP
6 1 (3.33%) SolarWinds
6 1 (3.33%) Sun