Period
to 20 January 2018

The following table provides summary statistics for permanent job vacancies advertised in England 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 20 January 2018 with a comparison to the same period in the previous 2 years.

Postfix
UK > England
6 months to
20 Jan 2018
Same period 2017 Same period 2016
Rank 1106 1091 1165
Rank change year-on-year -15 +74 +21
Permanent jobs citing Postfix 32 64 87
As % of all permanent IT jobs advertised in England 0.020% 0.038% 0.044%
As % of the System Software category 0.15% 0.31% 0.38%
Number of salaries quoted 31 56 69
England median annual salary £50,000 £37,500 £52,500
Median salary % change year-on-year +33.33% -28.57% +16.67%
10th Percentile £36,250 £28,000 £27,700
90th Percentile £68,750 £60,000 £75,000
UK median annual salary £50,000 £37,500 £52,500
% change year-on-year +33.33% -28.57% +16.67%

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 England with a requirement for system software skills.

All System Software Skills
England
Permanent vacancies with a requirement for system software skills 21,323 20,608 23,047
As % of all permanent IT jobs advertised in England 13.15% 12.33% 11.75%
Number of salaries quoted 17,874 17,199 19,517
England median annual salary £45,000 £42,500 £40,000
Median salary % change year-on-year +5.88% +6.25% -
10th Percentile £24,250 £23,500 £22,750
90th Percentile £76,250 £72,500 £67,500
UK median annual salary £45,000 £42,000 £40,000
% change year-on-year +7.14% +5.00% +1.27%

Postfix
Job Vacancy Trend in England

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

Job vacancy trend for Postfix in England

Postfix
Salary Trend in England

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

Salary trend for Postfix in England

Postfix
Salary Histogram in England

The salary distribution of IT jobs citing Postfix in England over the 6 months to 20 January 2018.

Salary histogram for Postfix in England

Postfix
Job Locations in England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Postfix within the England region over the 6 months to 20 January 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
London +7 16 £67,500 +22.73% 4
Yorkshire +17 8 £40,000 -
North of England -3 8 £40,000 +42.86%
South East +12 6 £62,500 +52.44%
Midlands +22 2 £36,500 +26.96% 1
West Midlands +16 2 £36,500 +26.96% 1
Postfix
UK

For the 6 months to 20 January 2018, 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 England region with a requirement for Postfix.

1 31 (96.88%) Linux
2 21 (65.63%) nginx
3 20 (62.50%) Bash Shell
4 17 (53.13%) MySQL
4 17 (53.13%) Nagios
5 16 (50.00%) DNS
5 16 (50.00%) DevOps
6 15 (46.88%) Perl
7 14 (43.75%) PHP
7 14 (43.75%) Cisco
7 14 (43.75%) Configuration Management
7 14 (43.75%) Telecoms
7 14 (43.75%) Debian
7 14 (43.75%) Puppet
8 13 (40.63%) Cacti
8 13 (40.63%) JIRA
8 13 (40.63%) VMware
8 13 (40.63%) Apache
8 13 (40.63%) Python
9 12 (37.50%) VoIP
9 12 (37.50%) BGP
9 12 (37.50%) Git (software)
9 12 (37.50%) Confluence
9 12 (37.50%) HAProxy
9 12 (37.50%) LEMP Stack
10 11 (34.38%) PHP-FPM
10 11 (34.38%) VMware Infrastructure
10 11 (34.38%) Release Management
10 11 (34.38%) SSL
10 11 (34.38%) SMTP

Postfix
Co-occurring IT Skills in England 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 21 (65.63%) nginx
2 13 (40.63%) Apache
3 12 (37.50%) Confluence
4 10 (31.25%) uWSGI
5 3 (9.38%) lighttpd
6 2 (6.25%) IIS
6 2 (6.25%) SharePoint
7 1 (3.13%) Elasticsearch
7 1 (3.13%) JBoss
7 1 (3.13%) Tomcat
7 1 (3.13%) WordPress
Applications
1 2 (6.25%) Microsoft Office
Cloud Services
1 2 (6.25%) Amazon AWS
2 1 (3.13%) AWS CloudFormation
2 1 (3.13%) Datadog
2 1 (3.13%) SaaS
Communications & Networking
1 16 (50.00%) DNS
2 12 (37.50%) BGP
2 12 (37.50%) VoIP
3 11 (34.38%) SMTP
3 11 (34.38%) SSL
4 10 (31.25%) Cisco ASA
4 10 (31.25%) Cisco IOS
4 10 (31.25%) HTTP
4 10 (31.25%) SNMP
4 10 (31.25%) VLAN
5 5 (15.63%) VPN
6 2 (6.25%) Cisco Nexus
6 2 (6.25%) DHCP
6 2 (6.25%) IMAP
6 2 (6.25%) OSPF
6 2 (6.25%) RIP
6 2 (6.25%) SAN
6 2 (6.25%) TCP/IP
Database & Business Intelligence
1 17 (53.13%) MySQL
2 10 (31.25%) MariaDB
3 5 (15.63%) PostgreSQL
4 1 (3.13%) NoSQL
Development Applications
1 13 (40.63%) JIRA
2 12 (37.50%) Git (software)
3 10 (31.25%) Subversion
4 2 (6.25%) Vagrant
5 1 (3.13%) Atlassian Bamboo
5 1 (3.13%) Bitbucket
5 1 (3.13%) Jenkins
5 1 (3.13%) Maven
5 1 (3.13%) Sonatype Nexus
General
1 14 (43.75%) Telecoms
2 1 (3.13%) Aerospace
2 1 (3.13%) Law
2 1 (3.13%) Legal
Job Titles
1 15 (46.88%) DevOps Engineer
2 11 (34.38%) DevOps Systems Engineer
2 11 (34.38%) Linux DevOps Engineer
2 11 (34.38%) Linux Engineer
2 11 (34.38%) Linux Systems Engineer
2 11 (34.38%) Linux/Unix DevOps
3 10 (31.25%) Administrator
3 10 (31.25%) Linux Administrator
3 10 (31.25%) Linux Systems Administrator
3 10 (31.25%) Senior DevOps
3 10 (31.25%) Senior DevOps Engineer
3 10 (31.25%) Systems Administrator
3 10 (31.25%) Systems Engineer
4 7 (21.88%) Senior Linux Engineer
4 7 (21.88%) Senior Linux Systems Engineer
4 7 (21.88%) Senior Systems Engineer
5 4 (12.50%) Linux DevOps Administrator
5 4 (12.50%) Operations Engineer
5 4 (12.50%) Technical Engineer
5 4 (12.50%) Technical Operations Engineer
Libraries, Frameworks & Software Standards
1 12 (37.50%) LEMP Stack
2 11 (34.38%) PHP-FPM
3 10 (31.25%) Django
3 10 (31.25%) FreeSWITCH
3 10 (31.25%) WSGI
4 7 (21.88%) LDAP
5 4 (12.50%) LAPP Stack
6 3 (9.38%) LAMP
7 1 (3.13%) Laravel
7 1 (3.13%) YAML
7 1 (3.13%) Zend Framework
Miscellaneous
1 10 (31.25%) Linux Command Line
1 10 (31.25%) Private Cloud
1 10 (31.25%) Replication
1 10 (31.25%) Wiki
2 4 (12.50%) Data Centre
3 2 (6.25%) Clustering
4 1 (3.13%) Analytical Skills
4 1 (3.13%) Computer Science
4 1 (3.13%) Management Information System
4 1 (3.13%) Mobile App
Operating Systems
1 31 (96.88%) Linux
2 14 (43.75%) Debian
3 10 (31.25%) Ubuntu
4 6 (18.75%) CentOS
5 5 (15.63%) Windows
6 3 (9.38%) FreeBSD
6 3 (9.38%) Unix
7 2 (6.25%) Fedora
7 2 (6.25%) Windows Server
7 2 (6.25%) Windows Server 2008
7 2 (6.25%) Windows Server 2012
8 1 (3.13%) Amazon Linux
8 1 (3.13%) Red Hat Enterprise Linux
Processes & Methodologies
1 16 (50.00%) DevOps
2 14 (43.75%) Configuration Management
3 11 (34.38%) Release Management
4 10 (31.25%) BCP
5 8 (25.00%) Data Security
6 7 (21.88%) B2B
7 4 (12.50%) Continuous Integration
8 3 (9.38%) Agile Software Development
8 3 (9.38%) Disaster Recovery
9 2 (6.25%) Change Control
9 2 (6.25%) Matrix Management
10 1 (3.13%) API Design
10 1 (3.13%) Collaborative Working
10 1 (3.13%) CRM
10 1 (3.13%) Data Protection
10 1 (3.13%) Mathematics
10 1 (3.13%) Prototyping
10 1 (3.13%) Rapid Prototyping
10 1 (3.13%) Software Engineering
10 1 (3.13%) Stakeholder Engagement
Programming Languages
1 20 (62.50%) Bash Shell
2 15 (46.88%) Perl
3 14 (43.75%) PHP
4 13 (40.63%) Python
5 1 (3.13%) Java
5 1 (3.13%) Ruby
5 1 (3.13%) Shell Script
Qualifications
1 7 (21.88%) Security Cleared
2 4 (12.50%) Degree
Quality Assurance & Compliance
1 2 (6.25%) QA
2 1 (3.13%) ISO/IEC 27001
2 1 (3.13%) PCI DSS
System Software
1 11 (34.38%) VMware Infrastructure
2 10 (31.25%) BIND 9
2 10 (31.25%) Kamailio
2 10 (31.25%) VMware ESXi
3 7 (21.88%) Dovecot
4 6 (18.75%) Docker
5 3 (9.38%) Varnish
6 2 (6.25%) Active Directory
6 2 (6.25%) SpamAssassin
7 1 (3.13%) VirtualBox
Systems Management
1 17 (53.13%) Nagios
2 14 (43.75%) Puppet
3 13 (40.63%) Cacti
4 12 (37.50%) HAProxy
5 10 (31.25%) Munin
6 4 (12.50%) Rancher
6 4 (12.50%) ZABBIX
7 2 (6.25%) SCCM
7 2 (6.25%) Simpana
7 2 (6.25%) Terraform
8 1 (3.13%) Ansible
8 1 (3.13%) yum
Vendors
1 14 (43.75%) Cisco
2 13 (40.63%) VMware
3 10 (31.25%) Dell
4 2 (6.25%) CommVault
4 2 (6.25%) F5
4 2 (6.25%) Microsoft
4 2 (6.25%) Red Hat
5 1 (3.13%) Zend