Period
to 16 June 2021

The following table provides summary statistics for permanent job vacancies advertised in the City of 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 16 June 2021 with a comparison to the same period in the previous 2 years.

Postfix
Central London > City of London
6 months to
16 Jun 2021
Same period 2020 Same period 2019
Rank 237 - -
Rank change year-on-year - - -
Permanent jobs citing Postfix 1 0 0
As % of all permanent jobs advertised in the City of London 0.019% - -
As % of the System Software category 0.10% - -
Number of salaries quoted 1 0 0
Median annual salary (50th Percentile) £45,000 - -
Central London median annual salary £45,000 - -

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 the City of London with a requirement for system software skills.

All System Software Skills
City of London
Permanent vacancies with a requirement for system software skills 979 1,167 1,866
As % of all permanent IT jobs advertised in the City of London 18.89% 18.56% 18.56%
Number of salaries quoted 879 1,041 1,688
10th Percentile £48,462 £35,500 £30,750
25th Percentile £58,750 £48,750 £46,250
Median annual salary (50th Percentile) £75,000 £70,000 £65,000
Median % change year-on-year +7.14% +7.69% +13.04%
75th Percentile £95,000 £85,000 £83,750
90th Percentile £106,500 £97,500 £96,250
Central London median annual salary £72,500 £70,000 £63,500
% change year-on-year +3.57% +10.24% +15.45%

Postfix
Job Vacancy Trend in the City of London

Job postings citing Postfix as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Postfix in the City of London

Postfix
Salary Trend in the City of London

3-month moving average salary quoted in jobs citing Postfix in the City of London.

Salary trend for Postfix in the City of London

For the 6 months to 16 June 2021, 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 City of London region with a requirement for Postfix.

1 1 (100.00%) C
1 1 (100.00%) Perl
1 1 (100.00%) PHP
1 1 (100.00%) SQL Server
1 1 (100.00%) IIS
1 1 (100.00%) Windows
1 1 (100.00%) Linux
1 1 (100.00%) Apache
1 1 (100.00%) Tomcat
1 1 (100.00%) LAN
1 1 (100.00%) PBX
1 1 (100.00%) SNMP
1 1 (100.00%) VPN
1 1 (100.00%) Cisco
1 1 (100.00%) Microsoft
1 1 (100.00%) HP
1 1 (100.00%) Nortel
1 1 (100.00%) Juniper
1 1 (100.00%) Internet
1 1 (100.00%) BGP
1 1 (100.00%) Firewall
1 1 (100.00%) Games
1 1 (100.00%) Debian
1 1 (100.00%) Risk Assessment
1 1 (100.00%) Mitel
1 1 (100.00%) Penetration Testing
1 1 (100.00%) XMPP
1 1 (100.00%) Degree
1 1 (100.00%) Load Balancing
1 1 (100.00%) Computer Science

Postfix
Co-occurring IT Skills in the City of 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 1 (100.00%) Apache
1 1 (100.00%) ejabberd
1 1 (100.00%) IIS
1 1 (100.00%) nginx
1 1 (100.00%) Tomcat
Communications & Networking
1 1 (100.00%) Asterisk PBX
1 1 (100.00%) BGP
1 1 (100.00%) Diameter Protocol
1 1 (100.00%) Firewall
1 1 (100.00%) Internet
1 1 (100.00%) LAN
1 1 (100.00%) PBX
1 1 (100.00%) SNMP
1 1 (100.00%) VPN
Database & Business Intelligence
1 1 (100.00%) SQL Server
General
1 1 (100.00%) Analytical Skills
1 1 (100.00%) Games
1 1 (100.00%) Organisational Skills
Job Titles
1 1 (100.00%) Network Engineer
1 1 (100.00%) Network Systems Engineer
1 1 (100.00%) Systems Engineer
Libraries, Frameworks & Software Standards
1 1 (100.00%) XMPP
Miscellaneous
1 1 (100.00%) Data Centre
Operating Systems
1 1 (100.00%) Debian
1 1 (100.00%) Linux
1 1 (100.00%) Windows
Processes & Methodologies
1 1 (100.00%) Architectural Design
1 1 (100.00%) Computer Science
1 1 (100.00%) Continuous Integration
1 1 (100.00%) Cost Reduction
1 1 (100.00%) High Availability
1 1 (100.00%) Load Balancing
1 1 (100.00%) Open Source
1 1 (100.00%) Penetration Testing
1 1 (100.00%) Risk Assessment
Programming Languages
1 1 (100.00%) Bash Shell
1 1 (100.00%) C
1 1 (100.00%) Perl
1 1 (100.00%) PHP
Qualifications
1 1 (100.00%) Computer Science Degree
1 1 (100.00%) Degree
System Software
1 1 (100.00%) iptables
1 1 (100.00%) Kamailio
1 1 (100.00%) KVM
1 1 (100.00%) QEMU
Systems Management
1 1 (100.00%) Ansible
1 1 (100.00%) Galera Cluster
1 1 (100.00%) HAProxy
1 1 (100.00%) Puppet
1 1 (100.00%) ZABBIX
Vendors
1 1 (100.00%) Cisco
1 1 (100.00%) GENBAND
1 1 (100.00%) HP
1 1 (100.00%) Juniper
1 1 (100.00%) Microsoft
1 1 (100.00%) Mitel
1 1 (100.00%) Nortel
1 1 (100.00%) Percona
1 1 (100.00%) SonicWALL