Period
to 13 December 2018

The following table provides summary statistics for contract job vacancies advertised in England with a requirement for Postfix skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Postfix over the 6 months to 13 December 2018 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Postfix
UK > England
6 months to
13 Dec 2018
Same period 2017 Same period 2016
Rank 845 842 726
Rank change year-on-year -3 -116 +141
Contract jobs citing Postfix 27 20 144
As % of all contract IT jobs advertised in England 0.028% 0.021% 0.15%
As % of the System Software category 0.18% 0.16% 1.22%
Number of daily rates quoted 22 3 50
England median daily rate £525 £450 £474
Median daily rate % change year-on-year +16.67% -5.01% +22.26%
10th Percentile £360 £391 £285
90th Percentile £610 £674 £605
UK median daily rate £408 £415 £474
% change year-on-year -1.81% -12.40% +26.33%
Number of hourly rates quoted 0 4 0
England median hourly rate - £13.95 -
UK median hourly rate £32.50 £13.95 -
% change year-on-year +132.93% - -

Postfix is in the System Software category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in England with a requirement for system software skills.

All System Software Skills
England
Contract vacancies with a requirement for system software skills 14,938 12,154 11,759
As % of all contract IT jobs advertised in England 15.49% 12.79% 12.32%
Number of daily rates quoted 9,847 7,969 7,451
England median daily rate £463 £425 £413
Median daily rate % change year-on-year +8.82% +3.03% +10.00%
10th Percentile £184 £160 £175
90th Percentile £638 £614 £588
UK median daily rate £450 £425 £400
% change year-on-year +5.88% +6.18% +6.73%
Number of hourly rates quoted 793 641 782
England median hourly rate £16.00 £16.50 £16.00
Median hourly rate % change year-on-year -3.03% +3.13% +3.23%
10th Percentile £10.50 £10.40 £10.50
90th Percentile £43.75 £47.25 £42.48
UK median hourly rate £16.00 £16.50 £16.00
% change year-on-year -3.03% +3.13% +3.23%

Postfix
Job Vacancy Trend in England

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

Job vacancy trend for Postfix in England

Postfix
Contractor Daily Rate Trend in England

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Postfix in England.

Contractor daily rate trend for Postfix in England

Postfix
Contractor Daily Rate Histogram in England

The daily rate distribution of IT jobs citing Postfix in England over the 6 months to 13 December 2018.

Contractor daily rate histogram for Postfix in England

Postfix
Contractor Hourly Rate Trend in England

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Postfix in England.

Contractor hourly rate trend for Postfix in England

Postfix
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Postfix within the England region over the 6 months to 13 December 2018. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London +22 13 £575 +27.78% 4
South East - 11 £400 - 6
East of England - 3 £350 - 1
Postfix
UK

For the 6 months to 13 December 2018, IT contractor 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 contract job ads across the England region with a requirement for Postfix.

1 27 (100.00%) Linux
2 23 (85.19%) Apache
3 20 (74.07%) DNS
4 19 (70.37%) Bash Shell
5 16 (59.26%) Puppet
6 14 (51.85%) PostgreSQL
7 13 (48.15%) Squid
7 13 (48.15%) Amazon AWS
7 13 (48.15%) CentOS
7 13 (48.15%) Tomcat
8 12 (44.44%) Ansible
9 11 (40.74%) DevOps
9 11 (40.74%) Liquibase
9 11 (40.74%) Java
9 11 (40.74%) Red Hat
9 11 (40.74%) Ubuntu
9 11 (40.74%) JIRA
9 11 (40.74%) Confluence
10 10 (37.04%) SSH
10 10 (37.04%) VMware
11 9 (33.33%) Service Management
11 9 (33.33%) Ant
11 9 (33.33%) JUnit
11 9 (33.33%) Maven
11 9 (33.33%) Git (software)
11 9 (33.33%) ZABBIX
11 9 (33.33%) OpenLDAP
11 9 (33.33%) Continuous Integration
11 9 (33.33%) Kibana
11 9 (33.33%) Kubernetes

Postfix
Co-occurring IT Skills in England 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 23 (85.19%) Apache
2 13 (48.15%) Tomcat
3 11 (40.74%) Confluence
4 9 (33.33%) Elasticsearch
5 5 (18.52%) nginx
6 4 (14.81%) IIS
6 4 (14.81%) lighttpd
6 4 (14.81%) SharePoint
7 2 (7.41%) OpenStack
8 1 (3.70%) JBoss
Applications
1 1 (3.70%) HipChat
Business Applications
1 1 (3.70%) Remedy ITSM
1 1 (3.70%) Unica
Cloud Services
1 13 (48.15%) Amazon AWS
2 8 (29.63%) Amazon CloudWatch
2 8 (29.63%) Amazon EC2
2 8 (29.63%) Amazon ELB
2 8 (29.63%) Amazon S3
2 8 (29.63%) Virtual Private Cloud
3 4 (14.81%) Microsoft Azure
4 2 (7.41%) SaaS
Communications & Networking
1 20 (74.07%) DNS
2 10 (37.04%) SSH
3 9 (33.33%) OpenLDAP
3 9 (33.33%) OpenVPN
4 8 (29.63%) HTTP
5 7 (25.93%) Firewall
6 5 (18.52%) DKIM
6 5 (18.52%) DMARC
7 4 (14.81%) BIG-IP
8 2 (7.41%) BGP
8 2 (7.41%) iSCSI
8 2 (7.41%) MPLS
8 2 (7.41%) NAS
8 2 (7.41%) SMTP
8 2 (7.41%) SNMP
8 2 (7.41%) Value-Added Service
8 2 (7.41%) VLAN
8 2 (7.41%) VXLAN
8 2 (7.41%) Wireless
9 1 (3.70%) tcpdump
Database & Business Intelligence
1 14 (51.85%) PostgreSQL
2 8 (29.63%) Amazon RDS
3 4 (14.81%) SQL Server
4 2 (7.41%) Apache Cassandra
4 2 (7.41%) MariaDB
4 2 (7.41%) MongoDB
4 2 (7.41%) MySQL
4 2 (7.41%) NoSQL
Development Applications
1 11 (40.74%) JIRA
1 11 (40.74%) Liquibase
2 9 (33.33%) Ant
2 9 (33.33%) Git (software)
2 9 (33.33%) Jenkins
2 9 (33.33%) JUnit
2 9 (33.33%) Maven
2 9 (33.33%) SonarQube
2 9 (33.33%) Sonatype Nexus
3 8 (29.63%) Bitbucket
4 2 (7.41%) Subversion
5 1 (3.70%) Arsenale Dataplane
5 1 (3.70%) JIRA Agile
General
1 4 (14.81%) Telecoms
2 2 (7.41%) Electronics
2 2 (7.41%) Finance
2 2 (7.41%) Manufacturing
2 2 (7.41%) Marketing
2 2 (7.41%) Retail
Job Titles
1 10 (37.04%) Administrator
1 10 (37.04%) Linux Administrator
2 9 (33.33%) AWS DevOps
2 9 (33.33%) AWS DevOps Engineer
2 9 (33.33%) AWS Engineer
2 9 (33.33%) DevOps Engineer
3 7 (25.93%) Linux Systems Administrator
3 7 (25.93%) Systems Administrator
4 5 (18.52%) Unix Administrator
4 5 (18.52%) Unix Linux Systems Administrator
4 5 (18.52%) Unix Systems Administrator
5 4 (14.81%) Linux Engineer
5 4 (14.81%) Systems Engineer
6 3 (11.11%) Ubuntu Administrator
7 2 (7.41%) Data Centre Engineer
7 2 (7.41%) Developer
7 2 (7.41%) Software Developer
8 1 (3.70%) Senior Unix Systems Administrator
8 1 (3.70%) Senior Windows Administrator
8 1 (3.70%) Windows Systems Administrator
Libraries, Frameworks & Software Standards
1 9 (33.33%) Elastic Stack
1 9 (33.33%) MCollective
2 8 (29.63%) REST
3 5 (18.52%) LDAP
4 4 (14.81%) LAPP Stack
5 2 (7.41%) ActiveMQ
5 2 (7.41%) Apache Camel
5 2 (7.41%) Apache CXF
5 2 (7.41%) Node.js
5 2 (7.41%) RESTful
5 2 (7.41%) SOAP
5 2 (7.41%) Spring
5 2 (7.41%) Spring Boot
5 2 (7.41%) Web Services
5 2 (7.41%) XSD
5 2 (7.41%) XSLT
Miscellaneous
1 8 (29.63%) Linux Command Line
2 3 (11.11%) Public Cloud
3 2 (7.41%) Data Centre
3 2 (7.41%) NHS
3 2 (7.41%) Private Cloud
4 1 (3.70%) Clustering
4 1 (3.70%) Self-Motivation
Operating Systems
1 27 (100.00%) Linux
2 13 (48.15%) CentOS
3 11 (40.74%) Ubuntu
4 6 (22.22%) Debian
4 6 (22.22%) Unix
5 5 (18.52%) Red Hat Enterprise Linux
5 5 (18.52%) Windows
6 4 (14.81%) FreeBSD
7 1 (3.70%) RancherOS
7 1 (3.70%) Windows Server
Processes & Methodologies
1 11 (40.74%) DevOps
2 9 (33.33%) Continuous Delivery
2 9 (33.33%) Continuous Integration
2 9 (33.33%) Service Management
3 8 (29.63%) Digital Transformation Programme
3 8 (29.63%) Load Balancing
4 4 (14.81%) Disaster Recovery
5 3 (11.11%) Agile Software Development
5 3 (11.11%) Change Management
5 3 (11.11%) Configuration Management
5 3 (11.11%) Incident Management
5 3 (11.11%) ITIL
5 3 (11.11%) Scrum
5 3 (11.11%) Stakeholder Management
6 2 (7.41%) Digital Marketing
6 2 (7.41%) Kanban
6 2 (7.41%) Network Architecture
6 2 (7.41%) Programme Management
6 2 (7.41%) TDD
6 2 (7.41%) Test Automation
Programming Languages
1 19 (70.37%) Bash Shell
2 11 (40.74%) Java
3 8 (29.63%) Groovy
4 7 (25.93%) Python
5 5 (18.52%) Perl
6 4 (14.81%) PowerShell
6 4 (14.81%) SQL
7 1 (3.70%) Shell Script
Qualifications
1 5 (18.52%) SC Cleared
1 5 (18.52%) Security Cleared
Quality Assurance & Compliance
1 1 (3.70%) GPG13
System Software
1 13 (48.15%) Squid
2 9 (33.33%) Docker
2 9 (33.33%) vCloud
3 8 (29.63%) Virtual Machines
4 5 (18.52%) Active Directory
5 4 (14.81%) Dovecot
5 4 (14.81%) Varnish
6 2 (7.41%) BIND 9
6 2 (7.41%) KVM
6 2 (7.41%) NFS
7 1 (3.70%) iptables
7 1 (3.70%) VMware Infrastructure
7 1 (3.70%) vSphere
Systems Management
1 16 (59.26%) Puppet
2 12 (44.44%) Ansible
3 9 (33.33%) Docker Swarm
3 9 (33.33%) Kibana
3 9 (33.33%) Kubernetes
3 9 (33.33%) logstash
3 9 (33.33%) Rancher
3 9 (33.33%) Terraform
3 9 (33.33%) ZABBIX
4 8 (29.63%) Rsyslog
4 8 (29.63%) Sysdig
5 4 (14.81%) Cacti
5 4 (14.81%) HAProxy
5 4 (14.81%) Nagios
6 3 (11.11%) Red Hat Satellite
7 2 (7.41%) Forum Sentry
8 1 (3.70%) Netcool
8 1 (3.70%) Opscode Chef
Vendors
1 11 (40.74%) Red Hat
2 10 (37.04%) VMware
3 9 (33.33%) Sonatype
4 7 (25.93%) Juniper
5 6 (22.22%) Cisco
6 4 (14.81%) F5
7 3 (11.11%) Clearswift
7 3 (11.11%) Symantec
8 2 (7.41%) Dell
8 2 (7.41%) EMC
8 2 (7.41%) Mirantis
8 2 (7.41%) SAP
9 1 (3.70%) BMC
9 1 (3.70%) Microsoft
9 1 (3.70%) Remedy
9 1 (3.70%) TOWER Software