Period
to 5 December 2021

The following table provides summary statistics for permanent job vacancies 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 5 December 2021 with a comparison to the same period in the previous 2 years.

Postfix
UK
6 months to
5 Dec 2021
Same period 2020 Same period 2019
Rank 1028 713 1042
Rank change year-on-year -315 +329 +114
Permanent jobs citing Postfix 33 15 27
As % of all permanent jobs advertised in the UK 0.026% 0.027% 0.020%
As % of the System Software category 0.15% 0.14% 0.12%
Number of salaries quoted 25 9 22
10th Percentile " £48,750 £36,375
25th Percentile £71,250 £62,500 £39,000
Median annual salary (50th Percentile) £75,000 £70,000 £47,500
Median % change year-on-year +7.14% +47.37% -13.64%
75th Percentile £80,000 £77,500 £57,500
90th Percentile £84,500 " £62,250
UK excluding London median annual salary £63,750 £52,500 £42,500
% change year-on-year +21.43% +23.53% -22.73%

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 with a requirement for system software skills.

All System Software Skills
UK
Permanent vacancies with a requirement for system software skills 22,462 10,423 23,238
As % of all permanent IT jobs advertised in the UK 17.68% 18.64% 17.19%
Number of salaries quoted 15,779 8,983 19,409
10th Percentile £28,000 £29,750 £25,500
25th Percentile £38,500 £38,750 £32,500
Median annual salary (50th Percentile) £55,000 £55,000 £50,000
Median % change year-on-year - +10.00% -
75th Percentile £77,500 £72,500 £70,000
90th Percentile £95,000 £86,250 £85,000
UK excluding London median annual salary £47,500 £45,000 £42,500
% change year-on-year +5.56% +5.88% -

Postfix
Job Vacancy Trend

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

Job vacancy trend for Postfix in the UK

Postfix
Salary Trend

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

Salary trend for Postfix in the UK

Postfix
Salary Histogram

Salary distribution for jobs citing Postfix over the 6 months to 5 December 2021.

Salary histogram for Postfix in the UK

Postfix
Top 8 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Postfix within the UK over the 6 months to 5 December 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
England -261 33 £75,000 +7.14% 6
London -231 24 £75,000 +7.14% 5
UK excluding London -204 9 £63,750 +21.43% 1
East of England - 7 - -
Work from Home -255 1 - - 1
North of England - 1 £52,500 -
North East - 1 £52,500 -
South East - 1 £75,000 - 1

For the 6 months to 5 December 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 with a requirement for Postfix.

1 32 (96.97%) PostgreSQL
2 25 (75.76%) Scrum
2 25 (75.76%) Java
2 25 (75.76%) JUnit
2 25 (75.76%) SOAP
2 25 (75.76%) Web Services
2 25 (75.76%) ActiveMQ
2 25 (75.76%) Spring
2 25 (75.76%) Maven
2 25 (75.76%) Agile Software Development
2 25 (75.76%) TDD
2 25 (75.76%) Continuous Integration
2 25 (75.76%) Amazon EC2
2 25 (75.76%) AWS
2 25 (75.76%) Open Source
2 25 (75.76%) BDD
2 25 (75.76%) Spring Cloud
3 24 (72.73%) Security Cleared
4 23 (69.70%) SC Cleared
5 21 (63.64%) Hibernate
5 21 (63.64%) Microservices
6 18 (54.55%) Jenkins
6 18 (54.55%) SonarQube
6 18 (54.55%) Git (software)
6 18 (54.55%) RESTful
6 18 (54.55%) DbUnit
6 18 (54.55%) Mockito
6 18 (54.55%) PowerMock
6 18 (54.55%) jMock
7 14 (42.42%) BPMN

Postfix
Co-occurring IT Skills 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 7 (21.21%) Apache
1 7 (21.21%) OpenEdge
Cloud Services
1 25 (75.76%) Amazon EC2
1 25 (75.76%) AWS
2 12 (36.36%) Amazon SQS
2 12 (36.36%) AWS KMS
Communications & Networking
1 8 (24.24%) DNS
2 7 (21.21%) SMTP
3 1 (3.03%) DHCP
3 1 (3.03%) TCP/IP
Database & Business Intelligence
1 32 (96.97%) PostgreSQL
2 12 (36.36%) Amazon RDS
3 7 (21.21%) MySQL
Development Applications
1 25 (75.76%) JUnit
1 25 (75.76%) Maven
2 18 (54.55%) DbUnit
2 18 (54.55%) Git (software)
2 18 (54.55%) Jenkins
2 18 (54.55%) jMock
2 18 (54.55%) Mockito
2 18 (54.55%) SonarQube
General
1 12 (36.36%) Public Sector
1 12 (36.36%) Retail
Job Titles
1 25 (75.76%) Developer
1 25 (75.76%) Java Developer
2 12 (36.36%) Full Stack Developer
3 7 (21.21%) Infrastructure Specialist
3 7 (21.21%) Linux Specialist
4 1 (3.03%) Linux Engineer
4 1 (3.03%) Senior Linux Engineer
Libraries, Frameworks & Software Standards
1 25 (75.76%) ActiveMQ
1 25 (75.76%) SOAP
1 25 (75.76%) Spring
1 25 (75.76%) Spring Cloud
1 25 (75.76%) Web Services
2 21 (63.64%) Hibernate
3 18 (54.55%) PowerMock
3 18 (54.55%) RESTful
4 14 (42.42%) AngularJS
5 13 (39.39%) React
6 11 (33.33%) REST
7 8 (24.24%) JPA
8 7 (21.21%) LAMP
8 7 (21.21%) LAPP Stack
8 7 (21.21%) Spring Boot
9 5 (15.15%) Middleware
10 3 (9.09%) J2EE
Miscellaneous
1 12 (36.36%) NHS
Operating Systems
1 8 (24.24%) Linux
1 8 (24.24%) Red Hat Enterprise Linux
2 1 (3.03%) CentOS
2 1 (3.03%) Oracle Linux
2 1 (3.03%) Windows
Processes & Methodologies
1 25 (75.76%) Agile Software Development
1 25 (75.76%) BDD
1 25 (75.76%) Continuous Integration
1 25 (75.76%) Open Source
1 25 (75.76%) Scrum
1 25 (75.76%) TDD
2 21 (63.64%) Microservices
3 14 (42.42%) BPMN
4 12 (36.36%) Biometrics
4 12 (36.36%) Full Stack Development
4 12 (36.36%) Kanban
5 7 (21.21%) DevOps
6 1 (3.03%) Migration
6 1 (3.03%) Virtual Environments
6 1 (3.03%) Virtual Infrastructure
Programming Languages
1 25 (75.76%) Java
2 8 (24.24%) Bash Shell
2 8 (24.24%) SQL
3 7 (21.21%) Perl
4 1 (3.03%) Python
Qualifications
1 24 (72.73%) Security Cleared
2 23 (69.70%) SC Cleared
System Software
1 8 (24.24%) VMware Infrastructure
2 7 (21.21%) Docker
2 7 (21.21%) iptables
2 7 (21.21%) NFS
2 7 (21.21%) Samba
3 1 (3.03%) Virtual Machines
Systems Management
1 7 (21.21%) Kubernetes
1 7 (21.21%) Puppet
Vendors
1 8 (24.24%) Red Hat
1 8 (24.24%) VMware
2 7 (21.21%) Clearswift
2 7 (21.21%) Symantec
3 1 (3.03%) Oracle