Period
to

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 25 May 2022 with a comparison to the same period in the previous 2 years.

Postfix
UK
6 months to
25 May 2022
Same period 2021 Same period 2020
Rank 1189 888 893
Rank change year-on-year -301 +5 +176
Permanent jobs citing Postfix 22 33 22
As % of all permanent jobs advertised in the UK 0.013% 0.036% 0.024%
As % of the System Software category 0.073% 0.19% 0.14%
Number of salaries quoted 17 28 21
10th Percentile £45,100 £35,250 £52,500
25th Percentile - £41,250 £61,250
Median annual salary (50th Percentile) £60,000 £47,500 £70,000
Median % change year-on-year +26.32% -32.14% +16.67%
75th Percentile £82,500 £57,500 £77,500
90th Percentile £87,500 £72,875 -
UK excluding London median annual salary £51,250 £46,250 £70,000
% change year-on-year +10.81% -33.93% +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 with a requirement for system software skills.

All System Software Skills
UK
Permanent vacancies with a requirement for system software skills 30,155 17,086 15,957
As % of all permanent IT jobs advertised in the UK 18.36% 18.53% 17.29%
Number of salaries quoted 15,521 13,363 13,133
10th Percentile £28,000 £30,000 £27,000
25th Percentile £39,000 £39,000 £36,250
Median annual salary (50th Percentile) £55,687 £55,000 £52,500
Median % change year-on-year +1.25% +4.76% +5.00%
75th Percentile £80,000 £75,000 £72,500
90th Percentile £95,000 £90,000 £87,500
UK excluding London median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +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 25 May 2022.

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 25 May 2022. 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
Jobs
England -289 22 £60,000 +41.18% 1
London -288 15 £60,000 +26.32% 1
Work from Home -276 9 £85,000 +30.77% 1
UK excluding London -155 7 £51,250 +10.81%
North of England -89 5 £42,500 -19.05%
North West - 4 - -
South East -103 2 £60,000 +100.00%
Yorkshire - 1 £42,500 -

For the 6 months to 25 May 2022, 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 16 (72.73%) Linux
2 13 (59.09%) AWS
3 11 (50.00%) Java
4 10 (45.45%) Python
4 10 (45.45%) Agile
4 10 (45.45%) Bash
4 10 (45.45%) Dovecot
4 10 (45.45%) Jenkins
4 10 (45.45%) Continuous Integration
4 10 (45.45%) CentOS
5 9 (40.91%) ZABBIX
5 9 (40.91%) VMware
5 9 (40.91%) Firewall
5 9 (40.91%) Telecoms
5 9 (40.91%) SAN
5 9 (40.91%) Red Hat
5 9 (40.91%) VPN
6 8 (36.36%) HP
6 8 (36.36%) NAS
6 8 (36.36%) VMware Infrastructure
6 8 (36.36%) Graylog
6 8 (36.36%) Synology
6 8 (36.36%) Server Building
6 8 (36.36%) Nimble Storage
6 8 (36.36%) Server Management
7 7 (31.82%) Ansible
7 7 (31.82%) Azure
8 6 (27.27%) Microservices
8 6 (27.27%) PowerMock
8 6 (27.27%) DbUnit

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 6 (27.27%) Apache
2 3 (13.64%) SharePoint
3 2 (9.09%) nginx
4 1 (4.55%) Exchange Server 2010
4 1 (4.55%) IIS
4 1 (4.55%) MS Exchange
Cloud Services
1 13 (59.09%) AWS
2 7 (31.82%) Azure
3 6 (27.27%) Amazon EC2
4 3 (13.64%) Cohesity
4 3 (13.64%) Microsoft 365
5 2 (9.09%) Amazon SQS
5 2 (9.09%) AWS KMS
Communications & Networking
1 9 (40.91%) Firewall
1 9 (40.91%) SAN
1 9 (40.91%) VPN
2 8 (36.36%) NAS
3 5 (22.73%) Network Security
3 5 (22.73%) WAN
4 2 (9.09%) DNS
4 2 (9.09%) TCP/IP
5 1 (4.55%) DHCP
5 1 (4.55%) FTP
5 1 (4.55%) HTTP
5 1 (4.55%) HTTPS
5 1 (4.55%) SMTP
5 1 (4.55%) SNMP
5 1 (4.55%) SSL
5 1 (4.55%) Wireless
Database & Business Intelligence
1 6 (27.27%) PostgreSQL
2 2 (9.09%) Amazon RDS
2 2 (9.09%) MySQL
3 1 (4.55%) SQL Server
Development Applications
1 10 (45.45%) Jenkins
2 6 (27.27%) DbUnit
2 6 (27.27%) Git (software)
2 6 (27.27%) jMock
2 6 (27.27%) JUnit
2 6 (27.27%) Maven
2 6 (27.27%) Mockito
2 6 (27.27%) SonarQube
3 4 (18.18%) JIRA
4 1 (4.55%) Vagrant
General
1 9 (40.91%) Telecoms
2 6 (27.27%) Social Skills
3 5 (22.73%) Finance
3 5 (22.73%) Retail
4 4 (18.18%) Inclusion and Diversity
5 2 (9.09%) Public Sector
Job Titles
1 6 (27.27%) Administrator
1 6 (27.27%) Developer
1 6 (27.27%) Java Developer
1 6 (27.27%) Systems Administrator
2 5 (22.73%) Linux Administrator
2 5 (22.73%) Linux Systems Administrator
3 4 (18.18%) Linux Engineer
3 4 (18.18%) Software Engineer
4 3 (13.64%) Linux Systems Engineer
4 3 (13.64%) Systems Engineer
5 2 (9.09%) Full Stack Developer
6 1 (4.55%) Analyst
6 1 (4.55%) Network Analyst
Libraries, Frameworks & Software Standards
1 6 (27.27%) ActiveMQ
1 6 (27.27%) Hibernate
1 6 (27.27%) PowerMock
1 6 (27.27%) REST
1 6 (27.27%) RESTful
1 6 (27.27%) SOAP
1 6 (27.27%) Spring
1 6 (27.27%) Spring Cloud
1 6 (27.27%) Web Services
2 5 (22.73%) AngularJS
3 4 (18.18%) Apache NiFi
3 4 (18.18%) Boost C++ Libraries
3 4 (18.18%) J2EE
3 4 (18.18%) JSON
3 4 (18.18%) Protocol Buffers
3 4 (18.18%) RabbitMQ
3 4 (18.18%) React
3 4 (18.18%) XML
4 2 (9.09%) LAMP
4 2 (9.09%) LEMP Stack
Miscellaneous
1 4 (18.18%) Cyber Defence
1 4 (18.18%) Cyberthreat
1 4 (18.18%) NHS
2 2 (9.09%) Derivative
2 2 (9.09%) Enterprise Software
Operating Systems
1 16 (72.73%) Linux
2 10 (45.45%) CentOS
3 2 (9.09%) Debian
3 2 (9.09%) Windows
4 1 (4.55%) Oracle Linux
4 1 (4.55%) Red Hat Enterprise Linux
4 1 (4.55%) Unix
4 1 (4.55%) Windows Server
Processes & Methodologies
1 10 (45.45%) Agile
1 10 (45.45%) Continuous Integration
2 8 (36.36%) Server Building
2 8 (36.36%) Server Management
3 6 (27.27%) BDD
3 6 (27.27%) BPMN
3 6 (27.27%) Microservices
3 6 (27.27%) Open Source
3 6 (27.27%) Problem-Solving
3 6 (27.27%) Scrum
3 6 (27.27%) TDD
4 5 (22.73%) Change Control
5 4 (18.18%) Coaching
5 4 (18.18%) Collaborative Working
5 4 (18.18%) Cyber Intelligence
5 4 (18.18%) Defect Tracking
5 4 (18.18%) High Availability
5 4 (18.18%) Mentoring
5 4 (18.18%) Software Engineering
6 3 (13.64%) Configuration Management
Programming Languages
1 11 (50.00%) Java
2 10 (45.45%) Bash
2 10 (45.45%) Python
3 4 (18.18%) C++
4 3 (13.64%) Perl
4 3 (13.64%) PowerShell
5 2 (9.09%) SQL
6 1 (4.55%) Go
6 1 (4.55%) Lua
6 1 (4.55%) PHP
6 1 (4.55%) Ruby
6 1 (4.55%) VB
Qualifications
1 5 (22.73%) SC Cleared
1 5 (22.73%) Security Cleared
2 2 (9.09%) Linux+ Certification
2 2 (9.09%) LPIC
2 2 (9.09%) RHCSA
3 1 (4.55%) MCITP
3 1 (4.55%) Microsoft Certification
System Software
1 10 (45.45%) Dovecot
2 8 (36.36%) VMware Infrastructure
3 5 (22.73%) Docker
4 2 (9.09%) OpenSSH
5 1 (4.55%) Active Directory
5 1 (4.55%) NFS
5 1 (4.55%) Virtual Machines
Systems Management
1 9 (40.91%) ZABBIX
2 8 (36.36%) Graylog
3 7 (31.82%) Ansible
4 4 (18.18%) Pacemaker
4 4 (18.18%) Podman
5 3 (13.64%) Puppet
6 1 (4.55%) Nagios
6 1 (4.55%) Opscode Chef
6 1 (4.55%) Simpana
Vendors
1 9 (40.91%) Red Hat
1 9 (40.91%) VMware
2 8 (36.36%) HP
2 8 (36.36%) Nimble Storage
2 8 (36.36%) Synology
3 4 (18.18%) Google
4 3 (13.64%) Cisco
4 3 (13.64%) SaltStack
5 2 (9.09%) F5
6 1 (4.55%) CheckPoint
6 1 (4.55%) Commvault
6 1 (4.55%) IBM
6 1 (4.55%) Juniper
6 1 (4.55%) NetApp
6 1 (4.55%) Oracle