Period
to 21 November 2018

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for Postfix skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Postfix over the 6 months to 21 November 2018 with a comparison to the same period in the previous 2 years.

Postfix
England > London
6 months to
21 Nov 2018
Same period 2017 Same period 2016
Rank 789 818 846
Rank change year-on-year +29 +28 +28
Permanent jobs citing Postfix 9 34 19
As % of all permanent IT jobs advertised in London 0.013% 0.045% 0.025%
As % of the System Software category 0.084% 0.34% 0.20%
Number of salaries quoted 9 16 19
London median annual salary £55,000 £58,750 £55,000
Median salary % change year-on-year -6.38% +6.82% +15.79%
10th Percentile £39,500 £42,500 £49,750
90th Percentile £58,750 £68,750 £67,500
England median annual salary £55,000 £50,000 £42,500
% change year-on-year +10.00% +17.65% -10.53%

Postfix is in the System Software category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for system software skills.

All System Software Skills
London
Permanent vacancies with a requirement for system software skills 10,720 10,051 9,269
As % of all permanent IT jobs advertised in London 15.92% 13.29% 12.25%
Number of salaries quoted 8,973 8,530 8,034
London median annual salary £60,000 £55,000 £50,000
Median salary % change year-on-year +9.09% +10.00% +6.38%
10th Percentile £29,000 £28,250 £27,500
90th Percentile £90,400 £85,000 £80,000
England median annual salary £50,000 £45,000 £42,500
% change year-on-year +11.11% +5.88% +6.25%

Postfix
Job Vacancy Trend in London

Job postings citing Postfix as a percentage of all IT jobs advertised in London.

Job vacancy trend for Postfix in London

Postfix
Salary Trend in London

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

Salary trend for Postfix in London

Postfix
Salary Histogram in London

The salary distribution of IT jobs citing Postfix in London over the 6 months to 21 November 2018.

Salary histogram for Postfix 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 6 months to 21 November 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
West London +14 1 £55,000 +10.00% 1
Postfix
England

For the 6 months to 21 November 2018, IT jobs citing Postfix also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the London region with a requirement for Postfix.

1 9 (100.00%) Linux
2 8 (88.89%) Unix
3 5 (55.56%) Solaris
3 5 (55.56%) DNS
3 5 (55.56%) Apache
3 5 (55.56%) Red Hat
3 5 (55.56%) VMware
3 5 (55.56%) Clustering
3 5 (55.56%) Red Hat Enterprise Linux
4 4 (44.44%) CentOS
4 4 (44.44%) Oracle Application Server
4 4 (44.44%) Firewall
4 4 (44.44%) RHCE
4 4 (44.44%) Oracle
4 4 (44.44%) SMTP
4 4 (44.44%) Infoblox
5 3 (33.33%) Open Source
5 3 (33.33%) CyberArk
5 3 (33.33%) New Media
5 3 (33.33%) Symantec Endpoint Protection
5 3 (33.33%) Problem-Solving
5 3 (33.33%) VPN
5 3 (33.33%) Netcool
5 3 (33.33%) Shell Script
5 3 (33.33%) Symantec
5 3 (33.33%) OpenBSD
5 3 (33.33%) Subversion
5 3 (33.33%) Veritas
5 3 (33.33%) VMware Infrastructure
5 3 (33.33%) SolarWinds

Postfix
Co-occurring 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 5 (55.56%) Apache
2 4 (44.44%) Oracle Application Server
3 1 (11.11%) nginx
Business Applications
1 1 (11.11%) Remedy ITSM
Communications & Networking
1 5 (55.56%) DNS
2 4 (44.44%) Firewall
2 4 (44.44%) SMTP
3 3 (33.33%) VPN
4 1 (11.11%) Anycast
4 1 (11.11%) BGP
4 1 (11.11%) Cisco Nexus
4 1 (11.11%) Kerberos
4 1 (11.11%) MPLS
4 1 (11.11%) OSPF
4 1 (11.11%) Reverse Proxy
4 1 (11.11%) SAN
4 1 (11.11%) Unified Communications
4 1 (11.11%) VoIP
Database & Business Intelligence
1 2 (22.22%) MySQL
2 1 (11.11%) MariaDB
2 1 (11.11%) MongoDB
2 1 (11.11%) PostgreSQL
Development Applications
1 3 (33.33%) Subversion
2 1 (11.11%) Sonatype Nexus
General
1 1 (11.11%) Publishing
Job Titles
1 4 (44.44%) Linux Engineer
2 3 (33.33%) Administrator
2 3 (33.33%) Linux Administrator
2 3 (33.33%) Linux Support
2 3 (33.33%) Linux Support Engineer
2 3 (33.33%) Linux Systems Administrator
2 3 (33.33%) Support Engineer
2 3 (33.33%) Systems Administrator
3 2 (22.22%) Unix Administrator
3 2 (22.22%) Unix Engineer
3 2 (22.22%) Unix Linux Systems Administrator
3 2 (22.22%) Unix Systems Administrator
4 1 (11.11%) Infrastructure Engineer
4 1 (11.11%) Linux Infrastructure Engineer
4 1 (11.11%) Network Engineer
4 1 (11.11%) Senior Unix Engineer
4 1 (11.11%) Storage Engineer
4 1 (11.11%) Unix Infrastructure Engineer
4 1 (11.11%) Unix Linux Engineer
Libraries, Frameworks & Software Standards
1 2 (22.22%) LAMP
1 2 (22.22%) LDAP
2 1 (11.11%) Anaconda
2 1 (11.11%) LAPP Stack
2 1 (11.11%) LEMP Stack
Miscellaneous
1 5 (55.56%) Clustering
2 3 (33.33%) New Media
3 1 (11.11%) Analytical Skills
3 1 (11.11%) Data Centre
3 1 (11.11%) Replication
Operating Systems
1 9 (100.00%) Linux
2 8 (88.89%) Unix
3 5 (55.56%) Red Hat Enterprise Linux
3 5 (55.56%) Solaris
4 4 (44.44%) CentOS
5 3 (33.33%) OpenBSD
6 1 (11.11%) Debian
6 1 (11.11%) Windows
6 1 (11.11%) Windows Server
Processes & Methodologies
1 3 (33.33%) Open Source
1 3 (33.33%) Problem-Solving
2 1 (11.11%) Data Centre Operations
2 1 (11.11%) High Availability
2 1 (11.11%) Incident Management
2 1 (11.11%) Infrastructure Engineering
2 1 (11.11%) ITIL
2 1 (11.11%) ITIL V3
2 1 (11.11%) Load Balancing
2 1 (11.11%) Systems Engineering
2 1 (11.11%) Technical Analysis
Programming Languages
1 3 (33.33%) Shell Script
2 2 (22.22%) Python
3 1 (11.11%) Bash Shell
3 1 (11.11%) Perl
Qualifications
1 4 (44.44%) RHCE
2 1 (11.11%) CCNP
2 1 (11.11%) Cisco Certification
2 1 (11.11%) OCP
2 1 (11.11%) Oracle Certification
2 1 (11.11%) SC Cleared
2 1 (11.11%) Security Cleared
System Software
1 3 (33.33%) VMware Infrastructure
2 2 (22.22%) Active Directory
3 1 (11.11%) Docker
3 1 (11.11%) Dovecot
3 1 (11.11%) GlusterFS
3 1 (11.11%) KVM
3 1 (11.11%) vSphere
Systems Management
1 3 (33.33%) Netcool
1 3 (33.33%) Symantec Endpoint Protection
2 2 (22.22%) Galera Cluster
2 2 (22.22%) HAProxy
3 1 (11.11%) Ansible
3 1 (11.11%) Cobbler
3 1 (11.11%) Puppet
3 1 (11.11%) Rancher
Vendors
1 5 (55.56%) Red Hat
1 5 (55.56%) VMware
2 4 (44.44%) Infoblox
2 4 (44.44%) Oracle
3 3 (33.33%) CyberArk
3 3 (33.33%) SolarWinds
3 3 (33.33%) Symantec
3 3 (33.33%) Veritas
4 2 (22.22%) Cisco
5 1 (11.11%) BMC
5 1 (11.11%) NetApp
5 1 (11.11%) Remedy