Period
to 23 November 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 23 November 2017 with a comparison to the same period in the previous 2 years.

Postfix
UK
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 1135 1149 1208
Rank change year-on-year +14 +59 +1
Permanent jobs citing Postfix 54 88 88
As % of all permanent IT jobs advertised in the UK 0.030% 0.046% 0.040%
As % of the System Software category 0.23% 0.38% 0.36%
Number of salaries quoted 37 77 82
UK median annual salary £50,000 £42,500 £47,500
Median salary % change year-on-year +17.65% -10.53% -1.04%
10th Percentile £35,450 £31,250 £30,250
90th Percentile £79,000 £64,400 £75,000
UK excluding London median annual salary £40,000 £37,500 £47,500
% change year-on-year +6.67% -21.05% +58.33%

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 23308 23451 24638
As % of all permanent IT jobs advertised in the UK 12.94% 12.35% 11.33%
Number of salaries quoted 19491 19678 20563
UK median annual salary £45,000 £42,500 £40,000
Median salary % change year-on-year +5.88% +6.25% +1.53%
10th Percentile £23,750 £23,500 £22,500
90th Percentile £75,000 £72,500 £67,500
UK excluding London median annual salary £40,000 £37,500 £37,500
% change year-on-year +6.67% - +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 23 November 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 23 November 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 +2 53 £50,000 +17.65% 5
London +24 33 £58,750 +6.82% 1
UK excluding London -7 20 £40,000 +6.67% 6
South East +6 10 £50,000 +33.33% 1
Midlands +23 4 £36,500 +26.96%
West Midlands +14 4 £36,500 +26.96%
East of England +6 3 £31,000 -52.31%
Yorkshire +25 2 £42,750 - 2
North of England -1 2 £42,750 +52.68% 2
South West -2 1 £40,000 - 1

For the 6 months to 23 November 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 37 (68.52%) Linux
2 31 (57.41%) SMTP
3 28 (51.85%) nginx
4 26 (48.15%) Apache
4 26 (48.15%) MySQL
5 25 (46.30%) Windows
6 22 (40.74%) DNS
6 22 (40.74%) Nagios
7 20 (37.04%) Microsoft
7 20 (37.04%) Active Directory
7 20 (37.04%) SharePoint
7 20 (37.04%) Microsoft Office
7 20 (37.04%) Windows Server
8 19 (35.19%) PHP
9 18 (33.33%) Agile Software Development
9 18 (33.33%) Analytical Skills
9 18 (33.33%) Amazon AWS
10 17 (31.48%) Puppet
10 17 (31.48%) PowerShell
10 17 (31.48%) Exchange Server 2010
10 17 (31.48%) Root Cause Analysis
10 17 (31.48%) DevOps
10 17 (31.48%) Task Automation
10 17 (31.48%) Banking
10 17 (31.48%) Asset Management
10 17 (31.48%) Document Management
10 17 (31.48%) Workflow
10 17 (31.48%) Finance
10 17 (31.48%) VMware
10 17 (31.48%) Investment Banking

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 28 (51.85%) nginx
2 26 (48.15%) Apache
3 20 (37.04%) SharePoint
4 17 (31.48%) Exchange Server 2010
4 17 (31.48%) MS Exchange
4 17 (31.48%) SharePoint Server
5 8 (14.81%) Confluence
6 7 (12.96%) uWSGI
7 3 (5.56%) IIS
7 3 (5.56%) lighttpd
8 2 (3.70%) Elasticsearch
9 1 (1.85%) WordPress
Applications
1 20 (37.04%) Microsoft Office
Cloud Services
1 18 (33.33%) Amazon AWS
2 1 (1.85%) OpenShift
2 1 (1.85%) SaaS
Communications & Networking
1 31 (57.41%) SMTP
2 22 (40.74%) DNS
3 11 (20.37%) VoIP
4 9 (16.67%) BGP
4 9 (16.67%) VLAN
5 8 (14.81%) HTTP
5 8 (14.81%) SSL
5 8 (14.81%) TCP/IP
5 8 (14.81%) VPN
6 7 (12.96%) Cisco ASA
6 7 (12.96%) Cisco IOS
6 7 (12.96%) LDAP
6 7 (12.96%) SNMP
7 6 (11.11%) SSH
8 5 (9.26%) DHCP
8 5 (9.26%) IMAP
8 5 (9.26%) SAN
9 4 (7.41%) Firewall
9 4 (7.41%) FTP
9 4 (7.41%) OSPF
Database & Business Intelligence
1 26 (48.15%) MySQL
2 9 (16.67%) MariaDB
3 4 (7.41%) PostgreSQL
4 1 (1.85%) Redis
Development Applications
1 10 (18.52%) Git (software)
2 9 (16.67%) Subversion
3 8 (14.81%) JIRA
4 1 (1.85%) Bitbucket
4 1 (1.85%) Jenkins
4 1 (1.85%) TeamCity
General
1 17 (31.48%) Banking
1 17 (31.48%) Finance
1 17 (31.48%) Investment Banking
1 17 (31.48%) Retail Banking
2 13 (24.07%) Telecoms
3 3 (5.56%) French Language
4 1 (1.85%) Aerospace
4 1 (1.85%) Law
4 1 (1.85%) Legal
Job Titles
1 18 (33.33%) Team Leader
2 16 (29.63%) Linux Engineer
3 15 (27.78%) Administrator
3 15 (27.78%) Systems Administrator
4 14 (25.93%) DevOps Engineer
4 14 (25.93%) Linux Administrator
4 14 (25.93%) Linux Systems Administrator
5 13 (24.07%) Linux/Unix DevOps
5 13 (24.07%) Systems Engineer
6 12 (22.22%) Linux Systems Engineer
7 11 (20.37%) Linux DevOps Engineer
8 8 (14.81%) DevOps Systems Engineer
9 7 (12.96%) Senior DevOps
9 7 (12.96%) Senior DevOps Engineer
10 6 (11.11%) DevOps Administrator
10 6 (11.11%) Linux DevOps Administrator
11 5 (9.26%) 3rd Line Engineer
12 4 (7.41%) Senior Linux Engineer
12 4 (7.41%) Senior Linux Systems Engineer
12 4 (7.41%) Senior Systems Engineer
Libraries, Frameworks & Software Standards
1 16 (29.63%) LEMP Stack
2 12 (22.22%) LAMP
3 7 (12.96%) Django
3 7 (12.96%) FreeSWITCH
3 7 (12.96%) PHP-FPM
3 7 (12.96%) WSGI
4 3 (5.56%) LAPP Stack
5 2 (3.70%) Apache Axis
5 2 (3.70%) HTML
6 1 (1.85%) Laravel
6 1 (1.85%) RabbitMQ
6 1 (1.85%) Zend Framework
Miscellaneous
1 18 (33.33%) Analytical Skills
2 8 (14.81%) Linux Command Line
2 8 (14.81%) Replication
3 7 (12.96%) Private Cloud
3 7 (12.96%) Wiki
4 5 (9.26%) Data Centre
5 2 (3.70%) Clustering
5 2 (3.70%) Driving Licence
6 1 (1.85%) Mobile App
Operating Systems
1 37 (68.52%) Linux
2 25 (46.30%) Windows
3 20 (37.04%) Windows Server
4 15 (27.78%) CentOS
5 13 (24.07%) Debian
6 11 (20.37%) Ubuntu
7 7 (12.96%) Fedora
7 7 (12.96%) Unix
8 6 (11.11%) FreeBSD
9 3 (5.56%) Red Hat Enterprise Linux
9 3 (5.56%) Windows Server 2008
9 3 (5.56%) Windows Server 2012
10 1 (1.85%) Amazon Linux
10 1 (1.85%) OpenBSD
Processes & Methodologies
1 18 (33.33%) Agile Software Development
2 17 (31.48%) Asset Management
2 17 (31.48%) DevOps
2 17 (31.48%) Document Management
2 17 (31.48%) Root Cause Analysis
2 17 (31.48%) Task Automation
2 17 (31.48%) Wealth Management
2 17 (31.48%) Workflow
3 11 (20.37%) Configuration Management
4 8 (14.81%) Release Management
5 7 (12.96%) BCP
6 4 (7.41%) Change Control
6 4 (7.41%) Continuous Integration
6 4 (7.41%) Disaster Recovery
6 4 (7.41%) ITIL
6 4 (7.41%) Load Balancing
7 3 (5.56%) Analytics
7 3 (5.56%) Matrix Management
8 2 (3.70%) Data Protection
8 2 (3.70%) Network Monitoring
Programming Languages
1 19 (35.19%) PHP
2 17 (31.48%) Perl
2 17 (31.48%) PowerShell
3 14 (25.93%) Bash Shell
4 12 (22.22%) Python
5 2 (3.70%) C#
5 2 (3.70%) Java
6 1 (1.85%) C
6 1 (1.85%) Shell Script
Qualifications
1 4 (7.41%) RHCE
2 3 (5.56%) Degree
2 3 (5.56%) RHCSA
2 3 (5.56%) VMware Certified Professional (VCP)
3 1 (1.85%) CISM
3 1 (1.85%) CISSP
3 1 (1.85%) Security Cleared
Quality Assurance & Compliance
1 2 (3.70%) ISO/IEC 27001
2 1 (1.85%) GDPR
2 1 (1.85%) QA
System Software
1 20 (37.04%) Active Directory
2 11 (20.37%) VMware Infrastructure
3 10 (18.52%) VMware ESXi
4 7 (12.96%) BIND 9
4 7 (12.96%) Docker
4 7 (12.96%) Kamailio
5 4 (7.41%) Sendmail
5 4 (7.41%) SpamAssassin
6 3 (5.56%) Dovecot
6 3 (5.56%) PowerDNS
6 3 (5.56%) Varnish
7 1 (1.85%) Ceph
7 1 (1.85%) iptables
7 1 (1.85%) KVM
7 1 (1.85%) NFS
7 1 (1.85%) oVirt
7 1 (1.85%) qmail
7 1 (1.85%) Xen
Systems Management
1 22 (40.74%) Nagios
2 17 (31.48%) Puppet
3 12 (22.22%) Cacti
3 12 (22.22%) HAProxy
4 10 (18.52%) Munin
5 4 (7.41%) Ansible
5 4 (7.41%) Rancher
5 4 (7.41%) ZABBIX
6 3 (5.56%) SCCM
6 3 (5.56%) Simpana
7 2 (3.70%) Opsview
8 1 (1.85%) Galera Cluster
8 1 (1.85%) Kubernetes
8 1 (1.85%) logstash
8 1 (1.85%) Opscode Chef
8 1 (1.85%) Red Hat Spacewalk
8 1 (1.85%) SELinux
8 1 (1.85%) Terraform
Vendors
1 20 (37.04%) Microsoft
2 17 (31.48%) VMware
3 14 (25.93%) Cisco
4 12 (22.22%) Red Hat
5 7 (12.96%) Dell
6 3 (5.56%) CommVault
6 3 (5.56%) F5
7 2 (3.70%) Acronis
7 2 (3.70%) Aruba
7 2 (3.70%) HP
7 2 (3.70%) Juniper
7 2 (3.70%) Polycom
7 2 (3.70%) Veeam
8 1 (1.85%) Scality
8 1 (1.85%) Zend