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

3 months to
29 Jun 2016
Same period 2015 Same period 2014
Postfix
Rank 619 619 671
Rank change year-on-year
0 +52
Permanent jobs citing Postfix 17 39 25
As % of all permanent IT jobs located in London 0.043% 0.087% 0.051%
As % of the System Software category 0.33% 0.79% 0.49%
Number of salaries quoted 8 38 22
Median salary £51,250 £47,500 £58,750
Median salary % change year-on-year
+7.89% -19.14%
90% offered a salary of more than £37,000 £37,500 £40,000
10% offered a salary of more than £63,000 £70,000 £65,000
UK excluding London median salary £35,000 £45,000 £40,000
% change year-on-year
-22.22% +12.50%
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
5165 4964 5106
As % of all permanent IT jobs located in London 12.94% 11.06% 10.33%
Number of salaries quoted 4536 4334 4453
Median salary £52,500 £47,500 £47,000
Median salary % change year-on-year
+10.52% +1.06%
90% offered a salary of more than £30,000 £29,500 £27,500
10% offered a salary of more than £75,000 £70,000 £72,500
UK excluding London median salary £39,000 £37,500 £38,000
% change year-on-year
+4.00% -1.31%

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 June 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 June 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
City of London +57 2 £50,000 +25.00%
Wimbledon - 1 - -
Postfix
England

Postfix
Top 30 Related IT Skills in London

For the 6 months to 29 June 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 42 (100.00%) Linux
2 28 (66.67%) Migration
3 26 (61.90%) Disaster Recovery
3 26 (61.90%) Unix
3 26 (61.90%) High Availability
4 25 (59.52%) Apache
5 22 (52.38%) DNS
6 21 (50.00%) Perl
6 21 (50.00%) MySQL
7 20 (47.62%) Red Hat
7 20 (47.62%) VMware
7 20 (47.62%) Puppet
8 19 (45.24%) VMware Infrastructure
8 19 (45.24%) LAMP
8 19 (45.24%) Nagios
9 18 (42.86%) Active Directory
10 17 (40.48%) Firewall
10 17 (40.48%) Windows
10 17 (40.48%) Windows Server
11 16 (38.10%) Patch Management
11 16 (38.10%) Kalman Filter
11 16 (38.10%) Change Control
11 16 (38.10%) Skype for Business
11 16 (38.10%) Exchange Server 2010
11 16 (38.10%) Windows Server 2012
11 16 (38.10%) Exchange Server 2013
11 16 (38.10%) MCSE
11 16 (38.10%) MCSA
11 16 (38.10%) MS Excel
11 16 (38.10%) MS Exchange

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 25 (59.52%) Apache
2 16 (38.10%) Exchange Server 2007
2 16 (38.10%) Exchange Server 2010
2 16 (38.10%) Exchange Server 2013
2 16 (38.10%) MS Exchange
2 16 (38.10%) Office Communications Server
2 16 (38.10%) Skype for Business
3 12 (28.57%) Tomcat
4 10 (23.81%) JBoss
4 10 (23.81%) Liferay
5 4 (9.52%) nginx
6 2 (4.76%) Confluence
6 2 (4.76%) uWSGI
7 1 (2.38%) IIS
Applications
1 16 (38.10%) 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 22 (52.38%) DNS
2 17 (40.48%) Firewall
3 15 (35.71%) HTTP
3 15 (35.71%) SSL
4 13 (30.95%) DHCP
4 13 (30.95%) SMTP
4 13 (30.95%) TCP/IP
5 12 (28.57%) LDAP
5 12 (28.57%) SNMP
6 10 (23.81%) iSCSI
6 10 (23.81%) NAS
6 10 (23.81%) SAN
6 10 (23.81%) tcpdump
6 10 (23.81%) Telnet
7 7 (16.67%) Internet
8 6 (14.29%) MRTG
9 3 (7.14%) HTTPS
10 2 (4.76%) BGP
10 2 (4.76%) Cisco IOS
10 2 (4.76%) VoIP
Database & Business Intelligence
1 21 (50.00%) MySQL
2 11 (26.19%) PostgreSQL
3 10 (23.81%) Oracle Database
4 4 (9.52%) MariaDB
5 1 (2.38%) SQL Server
Development Applications
1 12 (28.57%) Git (software)
2 10 (23.81%) Hudson
2 10 (23.81%) Jenkins
3 3 (7.14%) Subversion
4 2 (4.76%) JIRA
General
1 10 (23.81%) Finance
2 9 (21.43%) Banking
3 6 (14.29%) Games
4 5 (11.90%) Marketing
5 2 (4.76%) Telecoms
Job Titles
1 36 (85.71%) Administrator
2 16 (38.10%) Exchange Administrator
3 15 (35.71%) Linux Administrator
4 10 (23.81%) Systems Administrator
5 5 (11.90%) Linux Systems Administrator
6 3 (7.14%) Linux Engineer
7 2 (4.76%) DevOps Systems 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%) Linux/Unix DevOps
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%) Unix Administrator
7 2 (4.76%) Unix Linux Systems Administrator
7 2 (4.76%) Unix Systems Administrator
7 2 (4.76%) Web Engineer
7 2 (4.76%) Web Support Engineer
Libraries, Frameworks & Software Standards
1 19 (45.24%) LAMP
2 11 (26.19%) LAPP Stack
3 10 (23.81%) JDBC
4 2 (4.76%) Django
4 2 (4.76%) FreeSWITCH
4 2 (4.76%) LEMP Stack
4 2 (4.76%) PHP-FPM
4 2 (4.76%) Web Services
4 2 (4.76%) WSGI
Miscellaneous
1 16 (38.10%) Blackberry
2 12 (28.57%) Clustering
3 10 (23.81%) Cryptography
4 8 (19.05%) Wiki
5 6 (14.29%) Online Games
6 4 (9.52%) Fintech
6 4 (9.52%) Replication
7 3 (7.14%) Data Centre
8 2 (4.76%) Public Cloud
9 1 (2.38%) Computer Science
9 1 (2.38%) Hedge funds
9 1 (2.38%) Life Science
Operating Systems
1 42 (100.00%) Linux
2 26 (61.90%) Unix
3 17 (40.48%) Windows
3 17 (40.48%) Windows Server
4 16 (38.10%) Mac OS
4 16 (38.10%) Windows Server 2008
4 16 (38.10%) Windows Server 2012
5 10 (23.81%) SUSE Linux Enterprise Server
6 9 (21.43%) CentOS
7 8 (19.05%) Red Hat Enterprise Linux
8 7 (16.67%) FreeBSD
9 3 (7.14%) Debian
9 3 (7.14%) Ubuntu
10 1 (2.38%) Solaris
Processes & Methodologies
1 28 (66.67%) Migration
2 26 (61.90%) Disaster Recovery
2 26 (61.90%) High Availability
3 16 (38.10%) Change Control
3 16 (38.10%) Information Security
3 16 (38.10%) Kalman Filter
3 16 (38.10%) Patch Management
4 12 (28.57%) Load Balancing
5 10 (23.81%) ITIL
5 10 (23.81%) Memory Management
6 9 (21.43%) DNA
6 9 (21.43%) Wealth Management
7 8 (19.05%) Configuration Management
8 6 (14.29%) Analytics
9 3 (7.14%) DevOps
10 2 (4.76%) BCP
10 2 (4.76%) Capacity Planning
10 2 (4.76%) Release Management
11 1 (2.38%) Continuous Integration
11 1 (2.38%) Systematic Trading
Programming Languages
1 21 (50.00%) Perl
2 16 (38.10%) PowerShell
3 15 (35.71%) Bash Shell
4 12 (28.57%) Shell Script
5 11 (26.19%) Java
6 10 (23.81%) AWK
6 10 (23.81%) PHP
6 10 (23.81%) sed
6 10 (23.81%) SQL
7 6 (14.29%) C
8 3 (7.14%) Python
9 1 (2.38%) Ruby
Qualifications
1 16 (38.10%) MCSA
1 16 (38.10%) MCSE
1 16 (38.10%) Microsoft Certification
2 11 (26.19%) Degree
3 10 (23.81%) RHCE
System Software
1 19 (45.24%) VMware Infrastructure
2 18 (42.86%) Active Directory
3 11 (26.19%) NFS
3 11 (26.19%) Squid
4 10 (23.81%) iptables
5 6 (14.29%) KVM
5 6 (14.29%) oVirt
5 6 (14.29%) Xen
6 3 (7.14%) Docker
7 2 (4.76%) BIND 9
7 2 (4.76%) Kamailio
7 2 (4.76%) Samba
7 2 (4.76%) Sendmail
7 2 (4.76%) VMware ESXi
8 1 (2.38%) LXC
8 1 (2.38%) qmail
8 1 (2.38%) vCloud
8 1 (2.38%) vSphere
Systems Management
1 20 (47.62%) Puppet
2 19 (45.24%) Nagios
3 10 (23.81%) Nmap
4 8 (19.05%) Munin
5 3 (7.14%) Cacti
5 3 (7.14%) Opscode Chef
6 2 (4.76%) HAProxy
7 1 (2.38%) Ansible
7 1 (2.38%) cPanel
7 1 (2.38%) Plesk
7 1 (2.38%) Red Hat Satellite
7 1 (2.38%) Red Hat Spacewalk
Vendors
1 20 (47.62%) Red Hat
1 20 (47.62%) VMware
2 16 (38.10%) Microsoft
3 10 (23.81%) EMC
3 10 (23.81%) NetApp
3 10 (23.81%) Novell
3 10 (23.81%) Oracle
3 10 (23.81%) SAP
4 3 (7.14%) Cisco
5 2 (4.76%) Dell
6 1 (2.38%) SolarWinds
6 1 (2.38%) Sun
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