Period
to 16 February 2020

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 16 February 2020 with a comparison to the same period in the previous 2 years.

Postfix
UK
6 months to
16 Feb 2020
Same period 2019 Same period 2018
Rank 973 1076 1179
Rank change year-on-year +103 +103 -39
Permanent jobs citing Postfix 34 48 34
As % of all permanent IT jobs advertised in the UK 0.028% 0.032% 0.019%
As % of the System Software category 0.16% 0.20% 0.14%
Number of salaries quoted 39 40 32
UK median annual salary £70,000 £55,000 £50,000
Median salary % change year-on-year +27.27% +10.00% +33.33%
10th Percentile £38,700 £42,200 £37,500
90th Percentile £77,500 £75,000 £68,750
UK excluding London median annual salary £70,000 £55,000 £45,500
% change year-on-year +27.27% +20.88% +21.33%

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 20,785 23,459 23,459
As % of all permanent IT jobs advertised in the UK 16.98% 15.58% 13.33%
Number of salaries quoted 16,926 19,183 19,394
UK median annual salary £50,000 £50,000 £45,000
Median salary % change year-on-year - +11.11% +5.88%
10th Percentile £25,750 £25,750 £24,250
90th Percentile £85,000 £82,500 £76,250
UK excluding London median annual salary £42,500 £42,500 £40,000
% change year-on-year - +6.25% +6.67%

Postfix
Job Vacancy Trend

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

Job vacancy trend for Postfix in the UK

Postfix
Salary Trend

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

Salary trend for Postfix in the UK

Postfix
Salary Histogram

The salary distribution of IT jobs citing Postfix over the 6 months to 16 February 2020.

Salary histogram for Postfix in the UK

Postfix
Top 10 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 16 February 2020. 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 +102 33 £70,000 +27.27% 5
UK excluding London +81 26 £70,000 +27.27% 3
Midlands +45 12 £70,000 - 1
West Midlands +44 12 £70,000 -
London +76 11 £75,000 +32.74% 2
South East +79 10 £70,000 +21.74% 2
South West +29 7 £70,000 +27.27%
North of England +51 4 £70,000 +27.27%
Yorkshire +35 4 £70,000 +27.27%
Scotland - 1 £40,000 -

For the 6 months to 16 February 2020, 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 23 (67.65%) AWS
2 21 (61.76%) PostgreSQL
3 20 (58.82%) Agile Software Development
3 20 (58.82%) Git (software)
3 20 (58.82%) Web Services
4 19 (55.88%) Amazon EC2
4 19 (55.88%) Continuous Integration
5 18 (52.94%) Open Source
5 18 (52.94%) Amazon RDS
6 17 (50.00%) Jenkins
6 17 (50.00%) Amazon SQS
6 17 (50.00%) PowerMock
6 17 (50.00%) DbUnit
6 17 (50.00%) Mockito
6 17 (50.00%) BDD
6 17 (50.00%) SonarQube
6 17 (50.00%) Spring Cloud
6 17 (50.00%) Kanban
6 17 (50.00%) jMock
6 17 (50.00%) RESTful
6 17 (50.00%) TDD
6 17 (50.00%) ActiveMQ
6 17 (50.00%) Spring
6 17 (50.00%) Maven
6 17 (50.00%) Scrum
6 17 (50.00%) JUnit
6 17 (50.00%) SOAP
6 17 (50.00%) Java
7 16 (47.06%) Microservices
8 12 (35.29%) Linux

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 12 (35.29%) Apache
2 10 (29.41%) nginx
3 5 (14.71%) IIS
4 3 (8.82%) Exchange Server 2010
4 3 (8.82%) MS Exchange
5 2 (5.88%) Tomcat
5 2 (5.88%) WordPress
6 1 (2.94%) Exchange Server 2013
6 1 (2.94%) SharePoint
6 1 (2.94%) Skype for Business
Applications
1 1 (2.94%) Microsoft Office
Cloud Services
1 23 (67.65%) AWS
2 19 (55.88%) Amazon EC2
3 17 (50.00%) Amazon SQS
4 3 (8.82%) SaaS
5 2 (5.88%) Amazon ELB
5 2 (5.88%) Amazon S3
5 2 (5.88%) Azure
5 2 (5.88%) Datadog
5 2 (5.88%) IaaS
5 2 (5.88%) Slack
5 2 (5.88%) Virtual Private Cloud
6 1 (2.94%) OpenShift
Communications & Networking
1 11 (32.35%) DNS
2 7 (20.59%) DHCP
3 6 (17.65%) Firewall
3 6 (17.65%) VoIP
3 6 (17.65%) VPN
4 5 (14.71%) TCP/IP
5 4 (11.76%) BGP
5 4 (11.76%) Internet
5 4 (11.76%) iSCSI
5 4 (11.76%) MPLS
5 4 (11.76%) OSPF
5 4 (11.76%) PPP
5 4 (11.76%) SAN
6 2 (5.88%) HTTP
6 2 (5.88%) HTTPS
6 2 (5.88%) LAN
6 2 (5.88%) SSL
7 1 (2.94%) ISDN
7 1 (2.94%) PPTP
7 1 (2.94%) WAN
Database & Business Intelligence
1 21 (61.76%) PostgreSQL
2 18 (52.94%) Amazon RDS
3 9 (26.47%) MySQL
4 6 (17.65%) SQL Server
5 3 (8.82%) MariaDB
5 3 (8.82%) SQL Server 2008
5 3 (8.82%) SQL Server 2016
6 2 (5.88%) Cognos Impromptu
6 2 (5.88%) NoSQL
7 1 (2.94%) Data Warehouse
7 1 (2.94%) SQLite
Development Applications
1 20 (58.82%) Git (software)
2 17 (50.00%) DbUnit
2 17 (50.00%) Jenkins
2 17 (50.00%) jMock
2 17 (50.00%) JUnit
2 17 (50.00%) Maven
2 17 (50.00%) Mockito
2 17 (50.00%) SonarQube
3 4 (11.76%) GitLab
4 2 (5.88%) Atlassian Bamboo
4 2 (5.88%) JIRA
General
1 5 (14.71%) Public Sector
2 1 (2.94%) Finance
2 1 (2.94%) Games
2 1 (2.94%) Retail
Job Titles
1 17 (50.00%) Developer
1 17 (50.00%) Java Developer
2 5 (14.71%) Administrator
2 5 (14.71%) Systems Administrator
3 4 (11.76%) Analyst
3 4 (11.76%) Architect
3 4 (11.76%) Network Architect
4 3 (8.82%) Infrastructure Analyst
4 3 (8.82%) Infrastructure Engineer
4 3 (8.82%) Systems Analyst
5 2 (5.88%) Cloud Engineer
5 2 (5.88%) Cloud Infrastructure Engineer
5 2 (5.88%) DevOps Engineer
5 2 (5.88%) Linux Administrator
5 2 (5.88%) Linux Systems Administrator
6 1 (2.94%) Full Stack Developer
6 1 (2.94%) Linux Systems Engineer
6 1 (2.94%) QA Analyst
6 1 (2.94%) Senior Linux Systems Engineer
6 1 (2.94%) Software QA Tester
Libraries, Frameworks & Software Standards
1 20 (58.82%) Web Services
2 17 (50.00%) ActiveMQ
2 17 (50.00%) PowerMock
2 17 (50.00%) RESTful
2 17 (50.00%) SOAP
2 17 (50.00%) Spring
2 17 (50.00%) Spring Cloud
3 8 (23.53%) Hibernate
3 8 (23.53%) JPA
4 6 (17.65%) REST
5 4 (11.76%) LAMP
6 3 (8.82%) AngularJS
6 3 (8.82%) LEMP Stack
7 2 (5.88%) LDAP
7 2 (5.88%) Spring Boot
8 1 (2.94%) .NET
8 1 (2.94%) J2EE
8 1 (2.94%) LAPP Stack
Miscellaneous
1 7 (20.59%) Clustering
2 6 (17.65%) Replication
3 3 (8.82%) Data Centre
3 3 (8.82%) Linux Command Line
4 1 (2.94%) Mobile App
4 1 (2.94%) NHS
4 1 (2.94%) PKI
4 1 (2.94%) Wiki
Operating Systems
1 12 (35.29%) Linux
2 7 (20.59%) Red Hat Enterprise Linux
3 6 (17.65%) Windows
4 4 (11.76%) CentOS
5 3 (8.82%) Debian
5 3 (8.82%) Fedora
5 3 (8.82%) Unix
5 3 (8.82%) Windows Server 2012
6 2 (5.88%) VyOS
6 2 (5.88%) Windows Server
Processes & Methodologies
1 20 (58.82%) Agile Software Development
2 19 (55.88%) Continuous Integration
3 18 (52.94%) Open Source
4 17 (50.00%) BDD
4 17 (50.00%) Kanban
4 17 (50.00%) Scrum
4 17 (50.00%) TDD
5 16 (47.06%) Microservices
6 6 (17.65%) DevOps
6 6 (17.65%) Load Balancing
7 5 (14.71%) Migration
8 4 (11.76%) Customer Requirements
8 4 (11.76%) Innovative Thinking
8 4 (11.76%) Network Architecture
8 4 (11.76%) Network Design
8 4 (11.76%) Process Improvement
8 4 (11.76%) Supplier Management
9 3 (8.82%) BPMN
9 3 (8.82%) Infrastructure Engineering
9 3 (8.82%) Performance Tuning
Programming Languages
1 17 (50.00%) Java
2 9 (26.47%) SQL
3 6 (17.65%) PHP
4 4 (11.76%) Bash Shell
5 3 (8.82%) Shell Script
6 2 (5.88%) Java 8
6 2 (5.88%) Python
7 1 (2.94%) Perl
Qualifications
1 6 (17.65%) Security Cleared
2 4 (11.76%) Degree
2 4 (11.76%) SC Cleared
3 1 (2.94%) MCP
3 1 (2.94%) MCSE
3 1 (2.94%) Microsoft Certification
Quality Assurance & Compliance
1 1 (2.94%) GDPR
1 1 (2.94%) PCI DSS
1 1 (2.94%) PMO
1 1 (2.94%) QA
System Software
1 7 (20.59%) Docker
1 7 (20.59%) VMware Infrastructure
2 6 (17.65%) Active Directory
3 5 (14.71%) DRBD
4 4 (11.76%) Corosync
4 4 (11.76%) FreeRADIUS
5 3 (8.82%) Terminal Services
5 3 (8.82%) VMware ESXi
6 2 (5.88%) Dovecot
7 1 (2.94%) Ceph
7 1 (2.94%) Hyper-V
7 1 (2.94%) NFS
7 1 (2.94%) Sendmail
7 1 (2.94%) SpamAssassin
7 1 (2.94%) Squid
7 1 (2.94%) Virtual Machines
7 1 (2.94%) VirtualBox
7 1 (2.94%) VMware Workstation
7 1 (2.94%) vSphere
7 1 (2.94%) XenDesktop
Systems Management
1 11 (32.35%) Ansible
2 6 (17.65%) Puppet
3 5 (14.71%) Kubernetes
3 5 (14.71%) Terraform
4 4 (11.76%) HAProxy
4 4 (11.76%) Pacemaker
5 3 (8.82%) Opscode Chef
5 3 (8.82%) SCCM
6 1 (2.94%) Galera Cluster
Vendors
1 8 (23.53%) VMware
2 7 (20.59%) Red Hat
3 6 (17.65%) Juniper
3 6 (17.65%) Microsoft
4 4 (11.76%) Fortinet
4 4 (11.76%) MikroTik
5 3 (8.82%) Cisco
6 2 (5.88%) Black Duck
7 1 (2.94%) Citrix
7 1 (2.94%) Dell
7 1 (2.94%) HP
7 1 (2.94%) Huawei
7 1 (2.94%) Oracle
7 1 (2.94%) Scality