Period
to 17 October 2017

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 17 October 2017 with a comparison to the same period in the previous 2 years.

Postfix
UK
6 months to
17 Oct 2017
Same period 2016 Same period 2015
Rank 1125 1159 1210
Rank change year-on-year +34 +51 +16
Permanent jobs citing Postfix 52 82 87
As % of all permanent IT jobs advertised in the UK 0.030% 0.043% 0.040%
As % of the System Software category 0.23% 0.34% 0.35%
Number of salaries quoted 35 68 84
UK median annual salary £45,000 £44,500 £47,500
Median salary % change year-on-year +1.12% -6.32% -
10th Percentile £33,750 £31,250 £33,625
90th Percentile £83,500 £62,500 £75,000
UK excluding London median annual salary £37,500 £37,500 £45,000
% change year-on-year - -16.67% +50.00%

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 22878 23937 24840
As % of all permanent IT jobs advertised in the UK 13.08% 12.47% 11.40%
Number of salaries quoted 19272 20159 20679
UK median annual salary £45,000 £42,500 £40,000
Median salary % change year-on-year +5.88% +6.25% +1.27%
10th Percentile £23,750 £23,500 £22,750
90th Percentile £75,000 £71,250 £66,250
UK excluding London median annual salary £39,000 £37,500 £37,500
% change year-on-year +4.00% - +7.14%

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 17 October 2017.

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 17 October 2017. 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 +31 51 £42,500 -4.49% 3
London +25 28 £50,000 -9.09% 1
UK excluding London +18 23 £37,500 - 2
South East +47 8 £67,500 +64.63% 1
Midlands +40 6 £36,500 +26.96%
West Midlands +32 6 £36,500 +26.96%
South West +12 5 £37,500 -
East of England +12 3 £31,000 -36.41%
Yorkshire +29 1 £45,500 +40.00% 1
North of England +2 1 £45,500 +40.00% 1

For the 6 months to 17 October 2017, IT jobs citing Postfix also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads with a requirement for Postfix.

1 35 (67.31%) Linux
2 28 (53.85%) SMTP
2 28 (53.85%) Windows
3 27 (51.92%) Apache
4 26 (50.00%) nginx
5 25 (48.08%) MySQL
6 22 (42.31%) Microsoft Office
6 22 (42.31%) SharePoint
6 22 (42.31%) Microsoft
6 22 (42.31%) Active Directory
7 20 (38.46%) Windows Server
8 19 (36.54%) Nagios
8 19 (36.54%) DNS
8 19 (36.54%) VMware
9 18 (34.62%) Agile Software Development
9 18 (34.62%) Puppet
9 18 (34.62%) CentOS
9 18 (34.62%) Amazon AWS
9 18 (34.62%) Analytical Skills
10 17 (32.69%) Exchange Server 2010
10 17 (32.69%) Root Cause Analysis
10 17 (32.69%) Task Automation
10 17 (32.69%) Banking
10 17 (32.69%) Retail
10 17 (32.69%) Asset Management
10 17 (32.69%) Document Management
10 17 (32.69%) Investment Banking
10 17 (32.69%) SharePoint Server
10 17 (32.69%) Retail Banking
10 17 (32.69%) Wealth Management

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 27 (51.92%) Apache
2 26 (50.00%) nginx
3 22 (42.31%) SharePoint
4 17 (32.69%) Exchange Server 2010
4 17 (32.69%) MS Exchange
4 17 (32.69%) SharePoint Server
5 5 (9.62%) Confluence
5 5 (9.62%) IIS
6 4 (7.69%) uWSGI
7 1 (1.92%) Elasticsearch
7 1 (1.92%) lighttpd
7 1 (1.92%) WordPress
Applications
1 22 (42.31%) Microsoft Office
Cloud Services
1 18 (34.62%) Amazon AWS
2 4 (7.69%) OpenShift
3 1 (1.92%) SaaS
Communications & Networking
1 28 (53.85%) SMTP
2 19 (36.54%) DNS
3 10 (19.23%) TCP/IP
4 9 (17.31%) VPN
5 8 (15.38%) VoIP
6 7 (13.46%) DHCP
6 7 (13.46%) SAN
7 6 (11.54%) BGP
7 6 (11.54%) SSH
7 6 (11.54%) VLAN
8 5 (9.62%) Cisco Nexus
8 5 (9.62%) HTTP
8 5 (9.62%) IMAP
8 5 (9.62%) SSL
9 4 (7.69%) Cisco ASA
9 4 (7.69%) Cisco IOS
9 4 (7.69%) Firewall
9 4 (7.69%) FTP
9 4 (7.69%) OSPF
9 4 (7.69%) SNMP
Database & Business Intelligence
1 25 (48.08%) MySQL
2 9 (17.31%) MariaDB
3 2 (3.85%) PostgreSQL
4 1 (1.92%) Redis
Development Applications
1 10 (19.23%) Git (software)
2 6 (11.54%) Subversion
3 5 (9.62%) JIRA
4 1 (1.92%) Bitbucket
4 1 (1.92%) Jenkins
4 1 (1.92%) TeamCity
General
1 17 (32.69%) Banking
1 17 (32.69%) Finance
1 17 (32.69%) Investment Banking
1 17 (32.69%) Retail
1 17 (32.69%) Retail Banking
2 8 (15.38%) Telecoms
3 3 (5.77%) French Language
4 1 (1.92%) Aerospace
4 1 (1.92%) Law
4 1 (1.92%) Legal
Job Titles
1 18 (34.62%) Team Leader
2 15 (28.85%) Linux Engineer
3 14 (26.92%) Administrator
3 14 (26.92%) Systems Administrator
4 13 (25.00%) Linux Administrator
4 13 (25.00%) Linux Systems Administrator
4 13 (25.00%) Systems Engineer
5 11 (21.15%) Linux Systems Engineer
6 10 (19.23%) DevOps Engineer
7 9 (17.31%) Linux/Unix DevOps
8 7 (13.46%) Linux DevOps Engineer
9 6 (11.54%) 3rd Line Engineer
10 5 (9.62%) DevOps Administrator
10 5 (9.62%) Linux DevOps Administrator
11 4 (7.69%) DevOps Systems Engineer
11 4 (7.69%) Senior DevOps
11 4 (7.69%) Senior DevOps Engineer
12 2 (3.85%) Cisco Engineer
12 2 (3.85%) Network Systems Engineer
12 2 (3.85%) Senior Systems Administrator
Libraries, Frameworks & Software Standards
1 16 (30.77%) LEMP Stack
2 15 (28.85%) LAMP
3 4 (7.69%) Django
3 4 (7.69%) FreeSWITCH
3 4 (7.69%) PHP-FPM
3 4 (7.69%) WSGI
4 2 (3.85%) Apache Axis
4 2 (3.85%) HTML
5 1 (1.92%) LAPP Stack
5 1 (1.92%) Laravel
5 1 (1.92%) RabbitMQ
5 1 (1.92%) Zend Framework
Miscellaneous
1 18 (34.62%) Analytical Skills
2 7 (13.46%) Data Centre
3 5 (9.62%) Linux Command Line
3 5 (9.62%) Replication
4 4 (7.69%) Private Cloud
4 4 (7.69%) Wiki
5 2 (3.85%) Clustering
5 2 (3.85%) Driving Licence
6 1 (1.92%) Mobile App
Operating Systems
1 35 (67.31%) Linux
2 28 (53.85%) Windows
3 20 (38.46%) Windows Server
4 18 (34.62%) CentOS
5 11 (21.15%) Debian
6 9 (17.31%) Fedora
7 8 (15.38%) Ubuntu
8 5 (9.62%) Unix
8 5 (9.62%) Windows Server 2008
8 5 (9.62%) Windows Server 2012
9 4 (7.69%) FreeBSD
10 3 (5.77%) Red Hat Enterprise Linux
11 1 (1.92%) Amazon Linux
11 1 (1.92%) OpenBSD
Processes & Methodologies
1 18 (34.62%) Agile Software Development
2 17 (32.69%) Asset Management
2 17 (32.69%) Document Management
2 17 (32.69%) Root Cause Analysis
2 17 (32.69%) Task Automation
2 17 (32.69%) Wealth Management
2 17 (32.69%) Workflow
3 15 (28.85%) DevOps
4 7 (13.46%) Configuration Management
5 6 (11.54%) Change Control
6 5 (9.62%) Matrix Management
6 5 (9.62%) Release Management
7 4 (7.69%) BCP
7 4 (7.69%) ITIL
7 4 (7.69%) Load Balancing
8 3 (5.77%) Analytics
9 2 (3.85%) Continuous Integration
9 2 (3.85%) Data Protection
9 2 (3.85%) Disaster Recovery
9 2 (3.85%) Network Monitoring
Programming Languages
1 17 (32.69%) PowerShell
2 16 (30.77%) Perl
2 16 (30.77%) PHP
3 12 (23.08%) Bash Shell
4 11 (21.15%) Python
5 2 (3.85%) C#
5 2 (3.85%) Java
6 1 (1.92%) C
6 1 (1.92%) Shell Script
Qualifications
1 4 (7.69%) RHCE
2 3 (5.77%) RHCSA
2 3 (5.77%) VMware Certified Professional (VCP)
3 1 (1.92%) CISM
3 1 (1.92%) CISSP
3 1 (1.92%) Degree
Quality Assurance & Compliance
1 2 (3.85%) ISO/IEC 27001
2 1 (1.92%) GDPR
2 1 (1.92%) QA
System Software
1 22 (42.31%) Active Directory
2 9 (17.31%) Docker
3 8 (15.38%) VMware Infrastructure
4 7 (13.46%) VMware ESXi
5 6 (11.54%) Dovecot
6 4 (7.69%) BIND 9
6 4 (7.69%) Ceph
6 4 (7.69%) Kamailio
6 4 (7.69%) Sendmail
6 4 (7.69%) SpamAssassin
7 3 (5.77%) PowerDNS
8 1 (1.92%) iptables
8 1 (1.92%) KVM
8 1 (1.92%) NFS
8 1 (1.92%) oVirt
8 1 (1.92%) qmail
8 1 (1.92%) Varnish
8 1 (1.92%) Xen
Systems Management
1 19 (36.54%) Nagios
2 18 (34.62%) Puppet
3 9 (17.31%) HAProxy
4 7 (13.46%) Ansible
4 7 (13.46%) Cacti
4 7 (13.46%) Munin
5 5 (9.62%) SCCM
5 5 (9.62%) Simpana
6 4 (7.69%) Galera Cluster
6 4 (7.69%) Kubernetes
6 4 (7.69%) ZABBIX
7 2 (3.85%) Opsview
7 2 (3.85%) Rancher
8 1 (1.92%) logstash
8 1 (1.92%) Opscode Chef
8 1 (1.92%) Red Hat Spacewalk
8 1 (1.92%) SELinux
8 1 (1.92%) Terraform
Vendors
1 22 (42.31%) Microsoft
2 19 (36.54%) VMware
3 17 (32.69%) Red Hat
4 13 (25.00%) Cisco
5 5 (9.62%) CommVault
5 5 (9.62%) F5
6 4 (7.69%) Dell
6 4 (7.69%) Scality
7 2 (3.85%) Acronis
7 2 (3.85%) Aruba
7 2 (3.85%) HP
7 2 (3.85%) Juniper
7 2 (3.85%) Polycom
7 2 (3.85%) Veeam
8 1 (1.92%) Zend