Period
to 20 September 2021

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 September 2021 with a comparison to the same period in the previous 2 years.

Postfix
UK > England
6 months to
20 Sep 2021
Same period 2020 Same period 2019
Rank 950 668 1055
Rank change year-on-year -282 +387 +105
Permanent jobs citing Postfix 37 12 21
As % of all permanent jobs advertised in England 0.035% 0.027% 0.016%
As % of the System Software category 0.19% 0.14% 0.092%
Number of salaries quoted 27 9 18
10th Percentile £50,000 £68,750 £39,000
25th Percentile £71,250 £70,000 £41,250
Median annual salary (50th Percentile) £72,500 £75,000 £47,500
Median % change year-on-year -3.33% +57.89% -15.93%
75th Percentile £77,500 £77,500 £59,375
90th Percentile £80,000 " £62,250
UK median annual salary £72,500 £75,000 £47,500
% change year-on-year -3.33% +57.89% -3.06%

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 19,897 8,558 22,910
As % of all permanent IT jobs advertised in England 18.66% 18.93% 17.55%
Number of salaries quoted 13,648 7,308 19,033
10th Percentile £29,000 £31,250 £25,750
25th Percentile £38,750 £41,117 £33,000
Median annual salary (50th Percentile) £57,500 £55,000 £50,000
Median % change year-on-year +4.55% +10.00% -
75th Percentile £77,500 £75,000 £70,000
90th Percentile £95,000 £88,750 £85,000
UK median annual salary £55,000 £55,000 £50,000
% change year-on-year - +10.00% -

Postfix
Job Vacancy Trend in England

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

Job vacancy trend for Postfix in England

Postfix
Salary Trend in England

3-month moving average salary quoted in jobs citing Postfix in England.

Salary trend for Postfix in England

Postfix
Salary Histogram in England

Salary distribution for jobs citing Postfix in England over the 6 months to 20 September 2021.

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 September 2021. 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 -211 25 £72,500 -3.33% 5
East of England - 7 - -
South East -158 4 £75,000 - 2
North of England - 2 £52,500 -
North East - 2 £52,500 -
Postfix
UK

For the 6 months to 20 September 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 England region with a requirement for Postfix.

1 29 (78.38%) PostgreSQL
2 26 (70.27%) Continuous Integration
2 26 (70.27%) Open Source
3 24 (64.86%) AWS
4 22 (59.46%) Amazon EC2
4 22 (59.46%) Security Cleared
4 22 (59.46%) Spring
4 22 (59.46%) Maven
4 22 (59.46%) BDD
4 22 (59.46%) Scrum
4 22 (59.46%) Agile Software Development
4 22 (59.46%) TDD
4 22 (59.46%) ActiveMQ
4 22 (59.46%) Java
4 22 (59.46%) JUnit
4 22 (59.46%) SOAP
4 22 (59.46%) Web Services
4 22 (59.46%) Spring Cloud
5 20 (54.05%) SC Cleared
6 18 (48.65%) Microservices
6 18 (48.65%) Hibernate
7 15 (40.54%) Linux
7 15 (40.54%) SonarQube
7 15 (40.54%) Jenkins
7 15 (40.54%) Bash Shell
7 15 (40.54%) DbUnit
7 15 (40.54%) Mockito
7 15 (40.54%) PowerMock
7 15 (40.54%) RESTful
7 15 (40.54%) Git (software)

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 13 (35.14%) Apache
2 7 (18.92%) OpenEdge
3 4 (10.81%) ejabberd
3 4 (10.81%) IIS
3 4 (10.81%) nginx
3 4 (10.81%) Tomcat
4 2 (5.41%) JBoss
Cloud Services
1 24 (64.86%) AWS
2 22 (59.46%) Amazon EC2
3 12 (32.43%) Amazon SQS
3 12 (32.43%) AWS KMS
4 2 (5.41%) Azure
Communications & Networking
1 9 (24.32%) DNS
2 7 (18.92%) SMTP
3 6 (16.22%) Firewall
3 6 (16.22%) Internet
4 4 (10.81%) Asterisk PBX
4 4 (10.81%) BGP
4 4 (10.81%) Diameter Protocol
4 4 (10.81%) LAN
4 4 (10.81%) PBX
4 4 (10.81%) SNMP
4 4 (10.81%) TCP/IP
4 4 (10.81%) VPN
5 2 (5.41%) DHCP
5 2 (5.41%) NAS
5 2 (5.41%) Network Security
5 2 (5.41%) SAN
Database & Business Intelligence
1 29 (78.38%) PostgreSQL
2 12 (32.43%) Amazon RDS
3 7 (18.92%) MySQL
4 4 (10.81%) SQL Server
5 2 (5.41%) RDBMS
5 2 (5.41%) Relational Database
Development Applications
1 22 (59.46%) JUnit
1 22 (59.46%) Maven
2 15 (40.54%) DbUnit
2 15 (40.54%) Git (software)
2 15 (40.54%) Jenkins
2 15 (40.54%) jMock
2 15 (40.54%) Mockito
2 15 (40.54%) SonarQube
General
1 14 (37.84%) Public Sector
2 8 (21.62%) Retail
3 4 (10.81%) Analytical Skills
3 4 (10.81%) Games
3 4 (10.81%) Organisational Skills
4 2 (5.41%) Local Government
4 2 (5.41%) Social Skills
Job Titles
1 22 (59.46%) Developer
1 22 (59.46%) Java Developer
2 12 (32.43%) Full Stack Developer
3 7 (18.92%) Infrastructure Specialist
3 7 (18.92%) Linux Specialist
4 4 (10.81%) Linux Engineer
4 4 (10.81%) Network Engineer
4 4 (10.81%) Network Systems Engineer
4 4 (10.81%) Systems Engineer
5 2 (5.41%) Infrastructure Engineer
5 2 (5.41%) Linux Infrastructure Engineer
5 2 (5.41%) Senior Linux Engineer
5 2 (5.41%) Unix Engineer
5 2 (5.41%) Unix Infrastructure Engineer
5 2 (5.41%) Unix Linux Engineer
Libraries, Frameworks & Software Standards
1 22 (59.46%) ActiveMQ
1 22 (59.46%) SOAP
1 22 (59.46%) Spring
1 22 (59.46%) Spring Cloud
1 22 (59.46%) Web Services
2 18 (48.65%) Hibernate
3 15 (40.54%) PowerMock
3 15 (40.54%) RESTful
4 11 (29.73%) AngularJS
5 10 (27.03%) React
6 8 (21.62%) JPA
6 8 (21.62%) REST
7 7 (18.92%) LAMP
7 7 (18.92%) LAPP Stack
7 7 (18.92%) Spring Boot
8 5 (13.51%) Middleware
9 4 (10.81%) XMPP
Miscellaneous
1 8 (21.62%) NHS
2 4 (10.81%) Data Centre
Operating Systems
1 15 (40.54%) Linux
2 11 (29.73%) Red Hat Enterprise Linux
3 6 (16.22%) Debian
3 6 (16.22%) Windows
4 4 (10.81%) CentOS
5 2 (5.41%) Oracle Linux
5 2 (5.41%) Solaris
5 2 (5.41%) Ubuntu
5 2 (5.41%) Unix
Processes & Methodologies
1 26 (70.27%) Continuous Integration
1 26 (70.27%) Open Source
2 22 (59.46%) Agile Software Development
2 22 (59.46%) BDD
2 22 (59.46%) Scrum
2 22 (59.46%) TDD
3 18 (48.65%) Microservices
4 12 (32.43%) Biometrics
4 12 (32.43%) Full Stack Development
4 12 (32.43%) Kanban
5 11 (29.73%) BPMN
6 8 (21.62%) DevOps
7 4 (10.81%) Architectural Design
7 4 (10.81%) Computer Science
7 4 (10.81%) Cost Reduction
7 4 (10.81%) High Availability
7 4 (10.81%) Load Balancing
7 4 (10.81%) Penetration Testing
7 4 (10.81%) Risk Assessment
8 2 (5.41%) Infrastructure Engineering
Programming Languages
1 22 (59.46%) Java
2 15 (40.54%) Bash Shell
3 11 (29.73%) Perl
4 8 (21.62%) SQL
5 4 (10.81%) C
5 4 (10.81%) PHP
5 4 (10.81%) Python
6 2 (5.41%) Ruby
Qualifications
1 22 (59.46%) Security Cleared
2 20 (54.05%) SC Cleared
3 6 (16.22%) Degree
4 4 (10.81%) Computer Science Degree
5 2 (5.41%) DBS Check
Quality Assurance & Compliance
1 2 (5.41%) ISO/IEC 27001
System Software
1 13 (35.14%) iptables
2 11 (29.73%) VMware Infrastructure
3 9 (24.32%) Docker
4 7 (18.92%) NFS
4 7 (18.92%) Samba
5 4 (10.81%) Kamailio
5 4 (10.81%) KVM
5 4 (10.81%) QEMU
5 4 (10.81%) Virtual Machines
6 2 (5.41%) Sendmail
Systems Management
1 13 (35.14%) Puppet
2 7 (18.92%) Kubernetes
3 6 (16.22%) Ansible
4 4 (10.81%) Galera Cluster
4 4 (10.81%) HAProxy
4 4 (10.81%) ZABBIX
5 2 (5.41%) HP Data Protector
5 2 (5.41%) Opscode Chef
5 2 (5.41%) Oracle Enterprise Manager
Vendors
1 11 (29.73%) VMware
2 9 (24.32%) Red Hat
3 7 (18.92%) Clearswift
3 7 (18.92%) Symantec
4 6 (16.22%) HP
4 6 (16.22%) Microsoft
5 4 (10.81%) Cisco
5 4 (10.81%) GENBAND
5 4 (10.81%) Juniper
5 4 (10.81%) Mitel
5 4 (10.81%) Nortel
5 4 (10.81%) Oracle
5 4 (10.81%) Percona
5 4 (10.81%) SonicWALL
6 2 (5.41%) NEC
6 2 (5.41%) NetApp
6 2 (5.41%) Northgate