Period
to 15 January 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 15 January 2021 with a comparison to the same period in the previous 2 years.

Postfix
UK
6 months to
15 Jan 2021
Same period 2020 Same period 2019
Rank 723 996 1096
Rank change year-on-year +273 +100 +67
Permanent jobs citing Postfix 22 33 31
As % of all permanent jobs advertised in the UK 0.035% 0.026% 0.021%
As % of the System Software category 0.19% 0.15% 0.13%
Number of salaries quoted 19 33 27
Median annual salary £55,000 £55,000 £55,000
10th Percentile £46,500 £37,800 £48,000
90th Percentile £74,500 £75,000 £69,000
UK excluding London median annual salary £52,500 £55,000 £55,000
% change year-on-year -4.55% - +37.50%

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 11,484 21,575 23,422
As % of all permanent IT jobs advertised in the UK 18.38% 17.07% 15.50%
Number of salaries quoted 9,645 17,858 19,274
Median annual salary £55,000 £50,000 £50,000
Median salary % change year-on-year +10.00% - +11.11%
10th Percentile £29,500 £25,500 £25,000
90th Percentile £86,250 £85,000 £82,500
UK excluding London median annual salary £47,000 £42,500 £42,500
% change year-on-year +10.59% - +6.25%

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 15 January 2021.

Salary histogram for Postfix in the UK

Postfix
Top 7 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 15 January 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 +266 18 £70,000 +21.74% 5
London +194 16 £70,000 -6.67% 1
UK excluding London +189 6 £52,500 -4.55% 4
Work from Home - 4 £52,500 -
Northern Ireland - 4 £52,500 -
Midlands +84 2 £40,000 -46.67% 1
East Midlands - 2 £40,000 - 1

For the 6 months to 15 January 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 19 (86.36%) Git (software)
2 17 (77.27%) Continuous Integration
2 17 (77.27%) Amazon EC2
2 17 (77.27%) AWS
2 17 (77.27%) Jenkins
2 17 (77.27%) Microservices
2 17 (77.27%) PostgreSQL
3 14 (63.64%) SQL
4 13 (59.09%) Java
4 13 (59.09%) JUnit
4 13 (59.09%) SOAP
4 13 (59.09%) Web Services
4 13 (59.09%) Migration
4 13 (59.09%) Scrum
4 13 (59.09%) Agile Software Development
4 13 (59.09%) TDD
4 13 (59.09%) ActiveMQ
4 13 (59.09%) Spring
4 13 (59.09%) Maven
4 13 (59.09%) SonarQube
4 13 (59.09%) PowerMock
4 13 (59.09%) AngularJS
4 13 (59.09%) Open Source
4 13 (59.09%) RESTful
4 13 (59.09%) DbUnit
4 13 (59.09%) Mockito
4 13 (59.09%) jMock
5 12 (54.55%) BPMN
5 12 (54.55%) SC Cleared
5 12 (54.55%) Security Cleared

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 9 (40.91%) Apache
2 6 (27.27%) nginx
3 4 (18.18%) Apache Pulsar
3 4 (18.18%) Tomcat
Cloud Services
1 17 (77.27%) Amazon EC2
1 17 (77.27%) AWS
2 10 (45.45%) Amazon SQS
3 4 (18.18%) Amazon S3
3 4 (18.18%) Route 53
3 4 (18.18%) Virtual Private Cloud
4 3 (13.64%) Azure
4 3 (13.64%) IaaS
Communications & Networking
1 5 (22.73%) DNS
2 4 (18.18%) OpenVPN
3 3 (13.64%) DHCP
3 3 (13.64%) FTP
3 3 (13.64%) NAS
3 3 (13.64%) SAN
3 3 (13.64%) SSL
4 2 (9.09%) Firewall
4 2 (9.09%) HTTPS
4 2 (9.09%) Reverse Proxy
4 2 (9.09%) TCP/IP
4 2 (9.09%) VPN
Database & Business Intelligence
1 17 (77.27%) PostgreSQL
2 10 (45.45%) Amazon RDS
3 4 (18.18%) MongoDB
3 4 (18.18%) MySQL
4 2 (9.09%) Redis
5 1 (4.55%) Amazon Aurora
Development Applications
1 19 (86.36%) Git (software)
2 17 (77.27%) Jenkins
3 13 (59.09%) DbUnit
3 13 (59.09%) jMock
3 13 (59.09%) JUnit
3 13 (59.09%) Maven
3 13 (59.09%) Mockito
3 13 (59.09%) SonarQube
4 4 (18.18%) Artifactory
4 4 (18.18%) GitLab
4 4 (18.18%) Subversion
4 4 (18.18%) Travis CI
5 1 (4.55%) Bitbucket Server
General
1 9 (40.91%) Public Sector
Job Titles
1 12 (54.55%) Developer
2 11 (50.00%) Java Developer
3 4 (18.18%) DevOps Engineer
3 4 (18.18%) Full Stack Developer
3 4 (18.18%) SC Cleared Java Developer
3 4 (18.18%) Site Reliability Engineer
4 3 (13.64%) Cloud Engineer
4 3 (13.64%) Cloud Infrastructure Engineer
4 3 (13.64%) Infrastructure Engineer
5 2 (9.09%) Administrator
5 2 (9.09%) Integration Developer
5 2 (9.09%) Lead Developer
5 2 (9.09%) Lead Java Developer
5 2 (9.09%) Linux Administrator
5 2 (9.09%) Linux Systems Administrator
5 2 (9.09%) Senior Developer
5 2 (9.09%) Senior Integration Developer
5 2 (9.09%) Senior Java Developer
5 2 (9.09%) Systems Administrator
6 1 (4.55%) Site Engineer
Libraries, Frameworks & Software Standards
1 13 (59.09%) ActiveMQ
1 13 (59.09%) AngularJS
1 13 (59.09%) PowerMock
1 13 (59.09%) RESTful
1 13 (59.09%) SOAP
1 13 (59.09%) Spring
1 13 (59.09%) Web Services
2 12 (54.55%) Hibernate
2 12 (54.55%) Spring Cloud
3 10 (45.45%) REST
4 9 (40.91%) JPA
5 6 (27.27%) LAMP
6 4 (18.18%) Elastic Stack
6 4 (18.18%) Kafka
6 4 (18.18%) LAPP Stack
6 4 (18.18%) LEMP Stack
6 4 (18.18%) RabbitMQ
7 3 (13.64%) LDAP
7 3 (13.64%) React
8 2 (9.09%) Swing
Miscellaneous
1 7 (31.82%) Linux Command Line
2 4 (18.18%) Management Information System
3 3 (13.64%) Data Centre
3 3 (13.64%) Device Driver
Operating Systems
1 9 (40.91%) Linux
2 6 (27.27%) CentOS
2 6 (27.27%) Ubuntu
3 5 (22.73%) Unix
4 3 (13.64%) VMS
5 2 (9.09%) Fedora
5 2 (9.09%) Red Hat Enterprise Linux
5 2 (9.09%) Windows
5 2 (9.09%) Windows Server
5 2 (9.09%) Windows Server 2012
5 2 (9.09%) Windows Server 2016
Processes & Methodologies
1 17 (77.27%) Continuous Integration
1 17 (77.27%) Microservices
2 13 (59.09%) Agile Software Development
2 13 (59.09%) Migration
2 13 (59.09%) Open Source
2 13 (59.09%) Scrum
2 13 (59.09%) TDD
3 12 (54.55%) BDD
3 12 (54.55%) BPMN
4 9 (40.91%) Kanban
5 8 (36.36%) Biometrics
5 8 (36.36%) DevOps
6 7 (31.82%) Problem-Solving
7 4 (18.18%) Computer Science
7 4 (18.18%) Configuration Management
7 4 (18.18%) Infrastructure as Code
7 4 (18.18%) Site Reliability Engineering
8 3 (13.64%) Disaster Recovery
8 3 (13.64%) ITIL
8 3 (13.64%) Performance Monitoring
Programming Languages
1 14 (63.64%) SQL
2 13 (59.09%) Java
3 7 (31.82%) Python
4 5 (22.73%) Bash Shell
5 4 (18.18%) Ruby
6 3 (13.64%) AWK
6 3 (13.64%) C
6 3 (13.64%) Perl
6 3 (13.64%) PowerShell
6 3 (13.64%) sed
7 2 (9.09%) Java 8
7 2 (9.09%) PHP
8 1 (4.55%) JavaScript
Qualifications
1 12 (54.55%) SC Cleared
1 12 (54.55%) Security Cleared
2 4 (18.18%) Computer Science Degree
2 4 (18.18%) Degree
3 3 (13.64%) RHCE
3 3 (13.64%) RHCSA
Quality Assurance & Compliance
1 3 (13.64%) SLA
System Software
1 5 (22.73%) Docker
2 3 (13.64%) Firmware
2 3 (13.64%) KVM
2 3 (13.64%) OCFS2
2 3 (13.64%) Oracle RAC
2 3 (13.64%) qmail
2 3 (13.64%) Samba
2 3 (13.64%) Sendmail
2 3 (13.64%) Veritas Cluster Server
2 3 (13.64%) Veritas Volume Manager
2 3 (13.64%) Xen
3 2 (9.09%) NFS
3 2 (9.09%) VMware Infrastructure
Systems Management
1 6 (27.27%) Ansible
2 5 (22.73%) Grafana
2 5 (22.73%) Prometheus
3 4 (18.18%) Docker Swarm
3 4 (18.18%) Kubernetes
3 4 (18.18%) Munin
3 4 (18.18%) Nagios
3 4 (18.18%) Puppet
3 4 (18.18%) Terraform
4 3 (13.64%) Failover Clustering
4 3 (13.64%) SELinux
5 2 (9.09%) HAProxy
Vendors
1 5 (22.73%) Red Hat
2 4 (18.18%) Lets Encrypt
2 4 (18.18%) Oracle
3 3 (13.64%) HP
4 2 (9.09%) VMware
5 1 (4.55%) Atlassian