Period
to 18 February 2019

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 18 February 2019 with a comparison to the same period in the previous 2 years.

Postfix
England > London
6 months to
18 Feb 2019
Same period 2018 Same period 2017
Rank 752 802 817
Rank change year-on-year +50 +15 +54
Permanent jobs citing Postfix 17 16 5
As % of all permanent IT jobs advertised in London 0.027% 0.023% 0.007%
As % of the System Software category 0.17% 0.17% 0.060%
Number of salaries quoted 17 15 4
London median annual salary £56,500 £67,500 £60,000
Median salary % change year-on-year -16.30% +12.50% +9.09%
10th Percentile £41,300 £48,500 £29,875
90th Percentile £75,000 £68,750 £67,500
England median annual salary £55,000 £50,000 £37,500
% change year-on-year +10.00% +33.33% -28.57%

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 10,108 9,558 8,347
As % of all permanent IT jobs advertised in London 16.16% 13.78% 11.99%
Number of salaries quoted 8,426 8,127 7,085
London median annual salary £60,000 £55,000 £50,500
Median salary % change year-on-year +9.09% +8.91% +6.32%
10th Percentile £30,000 £28,500 £27,250
90th Percentile £92,500 £86,250 £81,250
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 18 February 2019.

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 18 February 2019. 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 +23 1 £55,000 +10.00% 2
Postfix
England

For the 6 months to 18 February 2019, 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 17 (100.00%) Linux
2 12 (70.59%) Unix
3 10 (58.82%) CentOS
3 10 (58.82%) Problem-Solving
4 9 (52.94%) Apache
5 8 (47.06%) Oracle
5 8 (47.06%) Red Hat Enterprise Linux
5 8 (47.06%) VMware
5 8 (47.06%) Firewall
6 7 (41.18%) OpenBSD
6 7 (41.18%) Subversion
6 7 (41.18%) Open Source
6 7 (41.18%) VPN
6 7 (41.18%) DNS
6 7 (41.18%) Private Cloud
7 6 (35.29%) VMware Infrastructure
8 5 (29.41%) Oracle Application Server
8 5 (29.41%) Infoblox
8 5 (29.41%) Solaris
8 5 (29.41%) RHCE
8 5 (29.41%) SMTP
8 5 (29.41%) Red Hat
9 4 (23.53%) MySQL
9 4 (23.53%) Windows
9 4 (23.53%) Debian
9 4 (23.53%) Clustering
9 4 (23.53%) Windows Server
10 3 (17.65%) Windows Server 2012
10 3 (17.65%) Oracle Database
10 3 (17.65%) Symantec Endpoint Protection

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 9 (52.94%) Apache
2 5 (29.41%) Oracle Application Server
3 1 (5.88%) nginx
Business Applications
1 2 (11.76%) Remedy ITSM
Communications & Networking
1 8 (47.06%) Firewall
2 7 (41.18%) DNS
2 7 (41.18%) VPN
3 5 (29.41%) SMTP
4 1 (5.88%) Anycast
4 1 (5.88%) BGP
4 1 (5.88%) Cisco Nexus
4 1 (5.88%) Internet
4 1 (5.88%) MPLS
4 1 (5.88%) OSPF
4 1 (5.88%) SAN
4 1 (5.88%) Unified Communications
4 1 (5.88%) VoIP
Database & Business Intelligence
1 4 (23.53%) MySQL
2 3 (17.65%) Oracle Database
3 2 (11.76%) MariaDB
Development Applications
1 7 (41.18%) Subversion
2 1 (5.88%) Sonatype Nexus
Job Titles
1 11 (64.71%) Administrator
1 11 (64.71%) Linux Administrator
1 11 (64.71%) Linux Systems Administrator
1 11 (64.71%) Systems Administrator
2 3 (17.65%) Linux Engineer
2 3 (17.65%) Linux Support
2 3 (17.65%) Linux Support Engineer
2 3 (17.65%) Support Engineer
3 2 (11.76%) Senior Unix Engineer
3 2 (11.76%) Unix Engineer
4 1 (5.88%) Network Engineer
Libraries, Frameworks & Software Standards
1 1 (5.88%) LAMP
1 1 (5.88%) LDAP
1 1 (5.88%) LEMP Stack
Miscellaneous
1 7 (41.18%) Private Cloud
2 4 (23.53%) Clustering
3 2 (11.76%) Analytical Skills
3 2 (11.76%) Data Centre
4 1 (5.88%) Replication
Operating Systems
1 17 (100.00%) Linux
2 12 (70.59%) Unix
3 10 (58.82%) CentOS
4 8 (47.06%) Red Hat Enterprise Linux
5 7 (41.18%) OpenBSD
6 5 (29.41%) Solaris
7 4 (23.53%) Debian
7 4 (23.53%) Windows
7 4 (23.53%) Windows Server
8 3 (17.65%) Ubuntu
8 3 (17.65%) Windows Server 2003
8 3 (17.65%) Windows Server 2012
Processes & Methodologies
1 10 (58.82%) Problem-Solving
2 7 (41.18%) Open Source
3 3 (17.65%) Problem Management
3 3 (17.65%) Service Delivery
3 3 (17.65%) Task Automation
4 2 (11.76%) Data Centre Operations
4 2 (11.76%) Incident Management
4 2 (11.76%) ITIL
4 2 (11.76%) ITIL V3
4 2 (11.76%) Technical Analysis
5 1 (5.88%) Configuration Management
5 1 (5.88%) Systems Engineering
Programming Languages
1 3 (17.65%) Shell Script
2 1 (5.88%) Python
Qualifications
1 5 (29.41%) RHCE
2 3 (17.65%) Microsoft Certification
3 2 (11.76%) OCP
3 2 (11.76%) Oracle Certification
3 2 (11.76%) SC Cleared
3 2 (11.76%) Security Cleared
4 1 (5.88%) CCNP
4 1 (5.88%) Cisco Certification
System Software
1 6 (35.29%) VMware Infrastructure
2 1 (5.88%) Active Directory
2 1 (5.88%) Docker
2 1 (5.88%) GlusterFS
2 1 (5.88%) KVM
Systems Management
1 3 (17.65%) Netcool
1 3 (17.65%) Puppet
1 3 (17.65%) Symantec Endpoint Protection
1 3 (17.65%) vCenter Server
2 1 (5.88%) Ansible
2 1 (5.88%) Galera Cluster
2 1 (5.88%) HAProxy
2 1 (5.88%) Rancher
Vendors
1 8 (47.06%) Oracle
1 8 (47.06%) VMware
2 5 (29.41%) Infoblox
2 5 (29.41%) Red Hat
3 3 (17.65%) CyberArk
3 3 (17.65%) F5
3 3 (17.65%) Microsoft
3 3 (17.65%) SolarWinds
3 3 (17.65%) Symantec
3 3 (17.65%) Veritas
4 2 (11.76%) BMC
4 2 (11.76%) Cisco
4 2 (11.76%) Remedy
5 1 (5.88%) Juniper