Period
to 21 October 2019

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 21 October 2019 with a comparison to the same period in the previous 2 years.

Postfix
UK
6 months to
21 Oct 2019
Same period 2018 Same period 2017
Rank 1050 1143 1163
Rank change year-on-year +93 +20 0
Permanent jobs citing Postfix 26 22 52
As % of all permanent IT jobs advertised in the UK 0.019% 0.013% 0.030%
As % of the System Software category 0.11% 0.090% 0.23%
Number of salaries quoted 23 21 34
UK median annual salary £47,500 £55,000 £45,000
Median salary % change year-on-year -13.64% +22.22% +1.12%
10th Percentile £36,500 £24,750 £33,750
90th Percentile £60,000 £58,750 £85,750
UK excluding London median annual salary £45,000 £30,000 £38,750
% change year-on-year +50.00% -22.58% +3.33%

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 23,610 24,401 22,785
As % of all permanent IT jobs advertised in the UK 17.24% 14.92% 13.08%
Number of salaries quoted 19,429 19,926 19,185
UK median annual salary £50,000 £50,000 £45,000
Median salary % change year-on-year - +11.11% +5.88%
10th Percentile £25,500 £24,856 £23,750
90th Percentile £85,000 £81,250 £75,000
UK excluding London median annual salary £42,500 £42,500 £39,000
% change year-on-year - +8.97% +4.00%

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 21 October 2019.

Salary histogram for Postfix in the UK

Postfix
Top 12 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 21 October 2019. 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 +115 23 £47,500 -17.39% 6
UK excluding London +68 22 £45,000 +50.00% 5
South West - 8 £51,250 - 1
West Midlands +31 5 £40,000 - 1
Midlands +30 5 £40,000 - 1
London +80 4 £58,750 +2.17% 3
South East +20 4 £38,750 -29.55% 1
Wales +7 2 £45,000 +12.50%
Scotland +10 1 £40,000 +33.33% 2
East of England - 1 £52,500 -
Yorkshire - 1 £37,500 -
North of England - 1 £37,500 -

For the 6 months to 21 October 2019, 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 21 (80.77%) Apache
2 18 (69.23%) Linux
3 15 (57.69%) MySQL
3 15 (57.69%) DNS
4 14 (53.85%) nginx
4 14 (53.85%) Ansible
5 12 (46.15%) Red Hat Enterprise Linux
5 12 (46.15%) Red Hat
6 10 (38.46%) VPN
6 10 (38.46%) LAMP
6 10 (38.46%) Puppet
7 9 (34.62%) Clustering
7 9 (34.62%) Firewall
7 9 (34.62%) Active Directory
8 8 (30.77%) TCP/IP
8 8 (30.77%) Windows
8 8 (30.77%) DHCP
8 8 (30.77%) CentOS
9 7 (26.92%) AWS
9 7 (26.92%) Open Source
9 7 (26.92%) VMware
9 7 (26.92%) VMware Infrastructure
10 6 (23.08%) Load Balancing
10 6 (23.08%) SCCM
10 6 (23.08%) Replication
10 6 (23.08%) MS Exchange
10 6 (23.08%) PHP
10 6 (23.08%) Web Services
10 6 (23.08%) Juniper
10 6 (23.08%) Bash Shell

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 21 (80.77%) Apache
2 14 (53.85%) nginx
3 6 (23.08%) MS Exchange
4 5 (19.23%) IIS
5 4 (15.38%) Exchange Server 2010
6 2 (7.69%) Tomcat
6 2 (7.69%) WordPress
7 1 (3.85%) SharePoint
7 1 (3.85%) Skype for Business
Applications
1 1 (3.85%) Microsoft Office
Cloud Services
1 7 (26.92%) AWS
2 5 (19.23%) Amazon EC2
3 4 (15.38%) OpenShift
4 3 (11.54%) Amazon SQS
5 2 (7.69%) Amazon ELB
5 2 (7.69%) Amazon S3
5 2 (7.69%) Azure
5 2 (7.69%) IaaS
5 2 (7.69%) SaaS
5 2 (7.69%) Virtual Private Cloud
6 1 (3.85%) Cloud Computing
Communications & Networking
1 15 (57.69%) DNS
2 10 (38.46%) VPN
3 9 (34.62%) Firewall
4 8 (30.77%) DHCP
4 8 (30.77%) TCP/IP
5 5 (19.23%) Internet
5 5 (19.23%) SAN
5 5 (19.23%) VoIP
6 4 (15.38%) BGP
6 4 (15.38%) iSCSI
6 4 (15.38%) MPLS
6 4 (15.38%) OSPF
6 4 (15.38%) PPP
6 4 (15.38%) SSL
7 3 (11.54%) SSH
8 2 (7.69%) FTP
8 2 (7.69%) HTTP
8 2 (7.69%) HTTPS
9 1 (3.85%) ISDN
9 1 (3.85%) SMTP
Database & Business Intelligence
1 15 (57.69%) MySQL
2 6 (23.08%) MariaDB
3 5 (19.23%) SQL Server
4 4 (15.38%) Amazon RDS
4 4 (15.38%) PostgreSQL
4 4 (15.38%) SQL Server 2008
4 4 (15.38%) SQL Server 2016
Development Applications
1 5 (19.23%) Git (software)
2 4 (15.38%) GitLab
3 3 (11.54%) DbUnit
3 3 (11.54%) Jenkins
3 3 (11.54%) jMock
3 3 (11.54%) JUnit
3 3 (11.54%) Maven
3 3 (11.54%) Mockito
3 3 (11.54%) SonarQube
General
1 4 (15.38%) Games
2 3 (11.54%) Finance
3 2 (7.69%) Telecoms
4 1 (3.85%) Legal
Job Titles
1 10 (38.46%) Administrator
2 9 (34.62%) Systems Administrator
3 6 (23.08%) Analyst
3 6 (23.08%) Linux Administrator
3 6 (23.08%) Linux Systems Administrator
4 5 (19.23%) Linux Engineer
4 5 (19.23%) Systems Analyst
5 4 (15.38%) Architect
5 4 (15.38%) Infrastructure Engineer
5 4 (15.38%) Linux Systems Engineer
5 4 (15.38%) Network Architect
5 4 (15.38%) Senior Linux Engineer
5 4 (15.38%) Senior Linux Systems Engineer
5 4 (15.38%) Senior Systems Engineer
5 4 (15.38%) Systems Engineer
6 3 (11.54%) Developer
6 3 (11.54%) Infrastructure Analyst
6 3 (11.54%) Java Developer
7 2 (7.69%) IT Administrator
7 2 (7.69%) Windows Administrator
Libraries, Frameworks & Software Standards
1 10 (38.46%) LAMP
2 6 (23.08%) LEMP Stack
2 6 (23.08%) Web Services
3 3 (11.54%) ActiveMQ
3 3 (11.54%) PowerMock
3 3 (11.54%) RESTful
3 3 (11.54%) SOAP
3 3 (11.54%) Spring
3 3 (11.54%) Spring Cloud
4 2 (7.69%) LDAP
5 1 (3.85%) .NET
5 1 (3.85%) LAPP Stack
5 1 (3.85%) Middleware
Miscellaneous
1 9 (34.62%) Clustering
2 6 (23.08%) Replication
3 4 (15.38%) Data Centre
4 3 (11.54%) Linux Command Line
5 2 (7.69%) PlayStation
6 1 (3.85%) Mobile App
6 1 (3.85%) PKI
6 1 (3.85%) Public Cloud
6 1 (3.85%) Wiki
Operating Systems
1 18 (69.23%) Linux
2 12 (46.15%) Red Hat Enterprise Linux
3 8 (30.77%) CentOS
3 8 (30.77%) Windows
4 5 (19.23%) Debian
5 4 (15.38%) Fedora
5 4 (15.38%) Windows Server 2012
6 3 (11.54%) Unix
7 2 (7.69%) VyOS
8 1 (3.85%) Windows Server
Processes & Methodologies
1 7 (26.92%) Open Source
2 6 (23.08%) Load Balancing
3 4 (15.38%) Agile Software Development
3 4 (15.38%) Customer Requirements
3 4 (15.38%) Infrastructure Engineering
3 4 (15.38%) Innovative Thinking
3 4 (15.38%) Mentoring
3 4 (15.38%) Network Architecture
3 4 (15.38%) Network Design
3 4 (15.38%) Process Improvement
3 4 (15.38%) Supplier Management
4 3 (11.54%) BDD
4 3 (11.54%) Continuous Integration
4 3 (11.54%) Kanban
4 3 (11.54%) Performance Tuning
4 3 (11.54%) Scrum
4 3 (11.54%) TDD
5 2 (7.69%) Capacity Planning
5 2 (7.69%) DevOps
5 2 (7.69%) ITIL
Programming Languages
1 6 (23.08%) Bash Shell
1 6 (23.08%) PHP
2 5 (19.23%) Perl
3 4 (15.38%) Java
3 4 (15.38%) SQL
4 2 (7.69%) Shell Script
5 1 (3.85%) Go
5 1 (3.85%) Python
Qualifications
1 5 (19.23%) Degree
2 3 (11.54%) RHCE
3 2 (7.69%) CCNA
3 2 (7.69%) Cisco Certification
4 1 (3.85%) Computer Science Degree
4 1 (3.85%) LPIC
4 1 (3.85%) MCP
4 1 (3.85%) MCSE
4 1 (3.85%) Microsoft Certification
4 1 (3.85%) SC Cleared
4 1 (3.85%) Security Cleared
Quality Assurance & Compliance
1 2 (7.69%) ISO/IEC 27001
2 1 (3.85%) QA
System Software
1 9 (34.62%) Active Directory
2 7 (26.92%) VMware Infrastructure
3 6 (23.08%) Docker
4 5 (19.23%) Dovecot
4 5 (19.23%) DRBD
5 4 (15.38%) Ceph
5 4 (15.38%) Corosync
5 4 (15.38%) FreeRADIUS
5 4 (15.38%) Terminal Services
6 3 (11.54%) Sendmail
7 2 (7.69%) Citrix Hypervisor
7 2 (7.69%) NFS
7 2 (7.69%) qmail
7 2 (7.69%) VMware ESXi
7 2 (7.69%) vSphere
8 1 (3.85%) Hyper-V
8 1 (3.85%) Samba
8 1 (3.85%) Squid
8 1 (3.85%) VMware Server
8 1 (3.85%) XenDesktop
Systems Management
1 14 (53.85%) Ansible
2 10 (38.46%) Puppet
3 6 (23.08%) SCCM
4 4 (15.38%) Galera Cluster
4 4 (15.38%) HAProxy
4 4 (15.38%) Kubernetes
4 4 (15.38%) Pacemaker
5 3 (11.54%) Opscode Chef
5 3 (11.54%) Terraform
6 2 (7.69%) Jamf Pro
7 1 (3.85%) Munin
7 1 (3.85%) Nagios
7 1 (3.85%) Nessus
Vendors
1 12 (46.15%) Red Hat
2 7 (26.92%) VMware
3 6 (23.08%) Juniper
4 5 (19.23%) Microsoft
5 4 (15.38%) Fortinet
5 4 (15.38%) MikroTik
5 4 (15.38%) Scality
6 3 (11.54%) Cisco
7 1 (3.85%) Citrix
7 1 (3.85%) Clearswift
7 1 (3.85%) Dell
7 1 (3.85%) HP
7 1 (3.85%) Huawei
7 1 (3.85%) Oracle