The table below looks at the statistics for Postfix skills in IT jobs advertised for the London region. Included is a guide to the average salaries offered in IT jobs that have cited Postfix over the 3 months to 31 August 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
31 Aug 2015
Same period 2014 Same period 2013
Postfix
Rank 598 605 590
Rank change year-on-year
+7 -15
Permanent jobs citing Postfix 28 25 31
As % of all permanent IT jobs located in London 0.063% 0.054% 0.070%
As % of the System Software category 0.61% 0.52% 0.75%
Number of salaries quoted 28 23 29
Average salary £47,500 £50,000 £47,500
Average salary % change year-on-year
-5.00% +5.26%
90% offered a salary of more than £37,500 £45,000 £35,000
10% offered a salary of more than £70,000 £64,000 £57,500
UK excluding London average salary £45,000 £30,000 £37,500
% change year-on-year
+50.00% -20.00%
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
4626 4793 4109
As % of all permanent IT jobs located in London 10.36% 10.32% 9.33%
Number of salaries quoted 4040 4124 3557
Average salary £47,000 £47,500 £47,500
Average salary % change year-on-year
-1.05% -
90% offered a salary of more than £27,500 £28,000 £29,000
10% offered a salary of more than £72,500 £65,000 £67,500
UK excluding London average salary £37,500 £37,500 £39,000
% change year-on-year
- -3.84%

Postfix
Jobs Demand Trend in London

This chart provides a 3-month moving total of permanent IT jobs citing Postfix across the London region as a proportion of the total demand within 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 31 August 2015.

Postfix Salary Histogram in London

Postfix
Job Locations in London

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing Postfix within the London region over the 3 months to 31 August 2015. 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
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Average Salary
Last 3 Months
Average Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London - 7 £70,000 -
Postfix
England

Postfix
Top 30 Related IT Skills in London

For the 6 months to 31 August 2015, IT jobs across the London region citing Postfix also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited Postfix.

1 65 (100.00%) Linux
2 55 (84.62%) CentOS
3 54 (83.08%) Bash Shell
4 50 (76.92%) Red Hat
5 46 (70.77%) Perl
5 46 (70.77%) MySQL
6 36 (55.38%) VPN
7 35 (53.85%) DNS
8 34 (52.31%) Debian
9 33 (50.77%) Python
9 33 (50.77%) Apache
9 33 (50.77%) DevOps
10 32 (49.23%) Ubuntu
11 31 (47.69%) DHCP
11 31 (47.69%) nginx
12 27 (41.54%) Windows
12 27 (41.54%) Firewall
13 26 (40.00%) PostgreSQL
13 26 (40.00%) VMware
13 26 (40.00%) SQL
14 25 (38.46%) Subversion
14 25 (38.46%) Ruby
14 25 (38.46%) JIRA
14 25 (38.46%) ZABBIX
15 24 (36.92%) Nagios
15 24 (36.92%) Confluence
15 24 (36.92%) Puppet
16 23 (35.38%) XenServer
17 22 (33.85%) Citrix
17 22 (33.85%) PHP

Postfix
Top Related IT Skills in London by Category

For the 6 months to 31 August 2015, IT jobs across the London region citing Postfix also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited Postfix. Up to 20 skills are shown per category.

Application Platforms
1 33 (50.77%) Apache
2 31 (47.69%) nginx
3 24 (36.92%) Confluence
4 17 (26.15%) MediaWiki
5 10 (15.38%) Tomcat
5 10 (15.38%) SharePoint
6 7 (10.77%) Drupal
6 7 (10.77%) Node.js
6 7 (10.77%) Elasticsearch
7 4 (6.15%) MS Exchange
8 3 (4.62%) IIS
9 2 (3.08%) JBoss
9 2 (3.08%) WebLogic
10 1 (1.54%) Exchange Server 2013
10 1 (1.54%) Exchange Server 2010
Business Applications
1 7 (10.77%) Magento
2 1 (1.54%) Sentinel
Cloud Services
1 12 (18.46%) Amazon AWS
2 4 (6.15%) Amazon EC2
3 3 (4.62%) Amazon S3
3 3 (4.62%) Virtual Private Cloud
4 2 (3.08%) AWS CloudFormation
5 1 (1.54%) IaaS
Communications & Networking
1 36 (55.38%) VPN
2 35 (53.85%) DNS
3 31 (47.69%) DHCP
4 27 (41.54%) Firewall
5 20 (30.77%) VLAN
5 20 (30.77%) SAN
6 18 (27.69%) LDAP
7 16 (24.62%) IPsec
8 15 (23.08%) IPv6
9 14 (21.54%) LAN
9 14 (21.54%) WAN
9 14 (21.54%) Network Security
9 14 (21.54%) OSPF
9 14 (21.54%) BGP
9 14 (21.54%) EIGRP
10 13 (20.00%) TCP/IP
11 12 (18.46%) SSH
12 8 (12.31%) Wi-Fi
13 7 (10.77%) Cisco ASA
14 5 (7.69%) Internet
Database & Business Intelligence
1 46 (70.77%) MySQL
2 26 (40.00%) PostgreSQL
3 17 (26.15%) SQL Server
4 14 (21.54%) Relational Database
5 7 (10.77%) Amazon RDS
5 7 (10.77%) Ingres
6 1 (1.54%) MongoDB
6 1 (1.54%) NoSQL
Development Applications
1 25 (38.46%) Subversion
1 25 (38.46%) JIRA
2 21 (32.31%) Git (software)
3 14 (21.54%) Hudson
3 14 (21.54%) Jenkins
4 10 (15.38%) TeamCity
5 1 (1.54%) Mercurial
General
1 2 (3.08%) Marketing
2 1 (1.54%) Finance
2 1 (1.54%) Retail
Job Titles
1 37 (56.92%) Systems Administrator
1 37 (56.92%) Administrator
2 24 (36.92%) Linux Systems Administrator
2 24 (36.92%) Linux Administrator
3 17 (26.15%) DevOps Engineer
4 16 (24.62%) Linux DevOps Engineer
5 8 (12.31%) Infrastructure Engineer
6 7 (10.77%) Consultant
7 5 (7.69%) DevOps Consultant
8 3 (4.62%) Linux Engineer
8 3 (4.62%) Systems Engineer
9 2 (3.08%) Systems Analyst
9 2 (3.08%) Analyst
9 2 (3.08%) Operations Manager
9 2 (3.08%) IT Operations Manager
10 1 (1.54%) Operations Engineer
10 1 (1.54%) Infrastructure Operations Engineer
10 1 (1.54%) Operations Support Engineer
10 1 (1.54%) IT Security Manager
10 1 (1.54%) Security Manager
Libraries, Frameworks & Software Standards
1 17 (26.15%) LAMP
2 10 (15.38%) .NET
3 7 (10.77%) WAMP
3 7 (10.77%) FastCGI
4 3 (4.62%) Web Services
5 1 (1.54%) libvirt
Miscellaneous
1 19 (29.23%) Foreign Exchange (FX)
2 18 (27.69%) Data Centre
3 17 (26.15%) Wiki
4 3 (4.62%) Hedge funds
4 3 (4.62%) Digital Media
5 2 (3.08%) Replication
5 2 (3.08%) Analytical Skills
6 1 (1.54%) Clustering
6 1 (1.54%) Life Science
6 1 (1.54%) Mobile App
Operating Systems
1 65 (100.00%) Linux
2 55 (84.62%) CentOS
3 34 (52.31%) Debian
4 32 (49.23%) Ubuntu
5 27 (41.54%) Windows
6 19 (29.23%) Mac OS X
6 19 (29.23%) Fedora
7 17 (26.15%) Windows Server 2003
8 11 (16.92%) Windows Server 2008
8 11 (16.92%) Windows Server 2012
9 8 (12.31%) Red Hat Enterprise Linux
10 5 (7.69%) UNIX
11 4 (6.15%) Windows 7
12 1 (1.54%) OpenBSD
Processes & Methodologies
1 33 (50.77%) DevOps
2 15 (23.08%) E-Commerce
2 15 (23.08%) Continuous Integration
3 14 (21.54%) Capacity Planning
3 14 (21.54%) Data Modelling
3 14 (21.54%) Disaster Recovery
3 14 (21.54%) Database Theory
3 14 (21.54%) Relational Database Theory
4 11 (16.92%) Project Management
5 10 (15.38%) Build Automation
6 7 (10.77%) Performance Monitoring
6 7 (10.77%) Technical Analysis
6 7 (10.77%) Server Building
7 4 (6.15%) Open Source
7 4 (6.15%) Configuration Management
8 3 (4.62%) ITIL
8 3 (4.62%) Password Management
8 3 (4.62%) Systems Analysis
8 3 (4.62%) Performance Tuning
9 2 (3.08%) Agile Software Development
Programming Languages
1 54 (83.08%) Bash Shell
2 46 (70.77%) Perl
3 33 (50.77%) Python
4 26 (40.00%) SQL
5 25 (38.46%) Ruby
6 22 (33.85%) PHP
7 18 (27.69%) Java
8 8 (12.31%) PowerShell
8 8 (12.31%) Shell Script
Qualifications
1 4 (6.15%) Degree
2 1 (1.54%) RHCSA
2 1 (1.54%) CCNA
2 1 (1.54%) Cisco Certification
2 1 (1.54%) Oracle Certification
2 1 (1.54%) RHCE
Quality Assurance & Compliance
1 2 (3.08%) QA
2 1 (1.54%) SLA
2 1 (1.54%) ISO/IEC 27001
System Software
1 23 (35.38%) XenServer
2 21 (32.31%) NFS
3 20 (30.77%) VMware Infrastructure
4 18 (27.69%) iptables
5 17 (26.15%) Samba
6 8 (12.31%) Docker
7 7 (10.77%) Sendmail
7 7 (10.77%) Varnish
7 7 (10.77%) Hyper-V
8 4 (6.15%) Active Directory
9 3 (4.62%) qmail
9 3 (4.62%) VMware ESXi
9 3 (4.62%) VirtualBox
9 3 (4.62%) LXC
10 2 (3.08%) Corosync
11 1 (1.54%) KVM
11 1 (1.54%) GlusterFS
11 1 (1.54%) vSphere
11 1 (1.54%) Squid
11 1 (1.54%) Xen
Systems Management
1 25 (38.46%) ZABBIX
2 24 (36.92%) Puppet
2 24 (36.92%) Nagios
3 20 (30.77%) Opscode Chef
4 12 (18.46%) Salt
5 10 (15.38%) Ansible
6 7 (10.77%) Kibana
7 3 (4.62%) Zenoss
7 3 (4.62%) Pacemaker
7 3 (4.62%) Ganglia
8 2 (3.08%) Munin
9 1 (1.54%) Cacti
9 1 (1.54%) Pingdom
9 1 (1.54%) Rsyslog
Vendors
1 50 (76.92%) Red Hat
2 26 (40.00%) VMware
3 22 (33.85%) Citrix
4 10 (15.38%) Microsoft
5 8 (12.31%) Cisco
6 7 (10.77%) Meraki
7 2 (3.08%) Oracle
8 1 (1.54%) HP
8 1 (1.54%) WatchGuard
8 1 (1.54%) Splunk
8 1 (1.54%) AppDynamics