Period
to 22 May 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 22 May 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
22 May 2018
Same period 2017 Same period 2016
Rank 851 775 827
Rank change year-on-year -76 +52 -39
Contract jobs citing Postfix 12 20 23
As % of all contract IT jobs advertised in England 0.013% 0.024% 0.024%
As % of the System Software category 0.097% 0.21% 0.21%
Number of daily rates quoted 1 10 15
England median daily rate £413 £350 £425
Median daily rate % change year-on-year +17.86% -17.65% +10.39%
10th Percentile £394 £310 £313
90th Percentile £431 £509 £500
UK median daily rate £406 £350 £425
% change year-on-year +16.07% -17.65% +10.39%
Number of hourly rates quoted 2 0 0
England median hourly rate £19.50 - -
UK median hourly rate £19.50 - -

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 12,384 9,413 10,883
As % of all contract IT jobs advertised in England 13.45% 11.29% 11.20%
Number of daily rates quoted 8,049 6,025 6,735
England median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25% +11.11%
10th Percentile £185 £168 £173
90th Percentile £625 £588 £575
UK median daily rate £450 £425 £400
% change year-on-year +5.88% +6.25% +14.29%
Number of hourly rates quoted 717 586 863
England median hourly rate £16.13 £16.00 £15.50
Median hourly rate % change year-on-year +0.78% +3.23% -3.13%
10th Percentile £10.75 £10.13 £10.25
90th Percentile £46.10 £43.75 £41.00
UK median hourly rate £15.86 £16.00 £15.63
% change year-on-year -0.88% +2.40% -0.71%

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 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 22 May 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 -58 9 £413 +22.22% 6
Midlands - 3 - -
West Midlands - 3 - -
Postfix
UK

For the 6 months to 22 May 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 12 (100.00%) Squid
2 11 (91.67%) Load Balancing
3 10 (83.33%) Linux
3 10 (83.33%) OpenVPN
3 10 (83.33%) Jenkins
3 10 (83.33%) Ansible
3 10 (83.33%) DevOps
3 10 (83.33%) Terraform
4 9 (75.00%) Virtual Machines
5 8 (66.67%) JIRA
5 8 (66.67%) Continuous Delivery
5 8 (66.67%) Continuous Integration
6 7 (58.33%) Network Security
6 7 (58.33%) VPN
6 7 (58.33%) DNS
7 6 (50.00%) Apache
8 5 (41.67%) Ant
8 5 (41.67%) JUnit
8 5 (41.67%) Red Hat
8 5 (41.67%) Service Management
8 5 (41.67%) CentOS
8 5 (41.67%) Red Hat Enterprise Linux
8 5 (41.67%) Git (software)
8 5 (41.67%) ZABBIX
8 5 (41.67%) OpenLDAP
8 5 (41.67%) nginx
8 5 (41.67%) SSH
8 5 (41.67%) Maven
8 5 (41.67%) PostgreSQL
8 5 (41.67%) Scrum

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 6 (50.00%) Apache
2 5 (41.67%) Confluence
2 5 (41.67%) Elasticsearch
2 5 (41.67%) nginx
3 4 (33.33%) Tomcat
Applications
1 1 (8.33%) HipChat
Cloud Services
1 5 (41.67%) Amazon AWS
1 5 (41.67%) Microsoft Azure
2 4 (33.33%) Amazon CloudWatch
2 4 (33.33%) Amazon EC2
2 4 (33.33%) Amazon ELB
2 4 (33.33%) Amazon S3
2 4 (33.33%) Virtual Private Cloud
Communications & Networking
1 10 (83.33%) OpenVPN
2 7 (58.33%) DNS
2 7 (58.33%) Network Security
2 7 (58.33%) VPN
3 5 (41.67%) OpenLDAP
3 5 (41.67%) SSH
4 4 (33.33%) HTTP
5 2 (16.67%) Asterisk PBX
5 2 (16.67%) Cisco ASA
5 2 (16.67%) Firewall
5 2 (16.67%) FTP
5 2 (16.67%) Internet
5 2 (16.67%) Kerberos
5 2 (16.67%) LAN
5 2 (16.67%) MPLS
5 2 (16.67%) Reverse Proxy
5 2 (16.67%) SSL
5 2 (16.67%) VoIP
5 2 (16.67%) WAN
5 2 (16.67%) Wi-Fi
Database & Business Intelligence
1 5 (41.67%) PostgreSQL
2 4 (33.33%) Amazon RDS
3 1 (8.33%) Hadoop
Development Applications
1 10 (83.33%) Jenkins
2 8 (66.67%) JIRA
3 5 (41.67%) Ant
3 5 (41.67%) Artifactory
3 5 (41.67%) Gerrit
3 5 (41.67%) Git (software)
3 5 (41.67%) JUnit
3 5 (41.67%) Liquibase
3 5 (41.67%) Maven
3 5 (41.67%) SonarQube
3 5 (41.67%) Sonatype Nexus
4 4 (33.33%) Bitbucket
5 1 (8.33%) Arsenale Dataplane
5 1 (8.33%) JIRA Agile
5 1 (8.33%) Metasploit
General
1 2 (16.67%) Telecoms
Job Titles
1 9 (75.00%) DevOps Engineer
2 2 (16.67%) Azure DevOps
2 2 (16.67%) Azure DevOps Engineer
2 2 (16.67%) Azure Engineer
2 2 (16.67%) Linux/Unix DevOps
2 2 (16.67%) Network Engineer
3 1 (8.33%) AWS DevOps
3 1 (8.33%) AWS DevOps Engineer
3 1 (8.33%) AWS Engineer
3 1 (8.33%) Cloud Engineer
3 1 (8.33%) Junior
3 1 (8.33%) Junior DevOps
3 1 (8.33%) Junior DevOps Engineer
3 1 (8.33%) Linux DevOps Engineer
3 1 (8.33%) Linux Engineer
3 1 (8.33%) Platform Engineer
3 1 (8.33%) Senior DevOps
3 1 (8.33%) Senior DevOps Engineer
3 1 (8.33%) Senior Linux Engineer
Libraries, Frameworks & Software Standards
1 5 (41.67%) Elastic Stack
1 5 (41.67%) MCollective
2 4 (33.33%) REST
3 2 (16.67%) LDAP
4 1 (8.33%) LAMP
4 1 (8.33%) Software Packaging
Miscellaneous
1 4 (33.33%) Linux Command Line
2 2 (16.67%) PKI
Operating Systems
1 10 (83.33%) Linux
2 5 (41.67%) CentOS
2 5 (41.67%) Red Hat Enterprise Linux
3 2 (16.67%) Unix
Processes & Methodologies
1 11 (91.67%) Load Balancing
2 10 (83.33%) DevOps
3 8 (66.67%) Continuous Delivery
3 8 (66.67%) Continuous Integration
4 5 (41.67%) Agile Software Development
4 5 (41.67%) High Availability
4 5 (41.67%) Scrum
4 5 (41.67%) Service Management
4 5 (41.67%) Task Automation
5 4 (33.33%) Coaching
5 4 (33.33%) Configuration Management
5 4 (33.33%) Stakeholder Management
6 3 (25.00%) Continuous Improvement
6 3 (25.00%) Migration
6 3 (25.00%) Software Delivery
7 2 (16.67%) Integration Testing
8 1 (8.33%) Change Control
8 1 (8.33%) Identity Management
8 1 (8.33%) Line Management
8 1 (8.33%) Open Source
Programming Languages
1 4 (33.33%) Bash Shell
1 4 (33.33%) Groovy
1 4 (33.33%) Java
2 2 (16.67%) SQL
3 1 (8.33%) Ruby
3 1 (8.33%) Shell Script
Qualifications
1 3 (25.00%) SC Cleared
1 3 (25.00%) Security Cleared
2 2 (16.67%) CTC Cleared
System Software
1 12 (100.00%) Squid
2 9 (75.00%) Virtual Machines
3 5 (41.67%) Docker
3 5 (41.67%) vCloud
4 2 (16.67%) iptables
4 2 (16.67%) Samba
Systems Management
1 10 (83.33%) Ansible
1 10 (83.33%) Terraform
2 5 (41.67%) Docker Swarm
2 5 (41.67%) HAProxy
2 5 (41.67%) Kibana
2 5 (41.67%) Kubernetes
2 5 (41.67%) logstash
2 5 (41.67%) Puppet
2 5 (41.67%) Rancher
2 5 (41.67%) ZABBIX
3 4 (33.33%) Rsyslog
3 4 (33.33%) Sysdig
4 1 (8.33%) Cisco UCCX
4 1 (8.33%) Nessus
4 1 (8.33%) Nmap
Vendors
1 5 (41.67%) Red Hat
1 5 (41.67%) Sonatype
1 5 (41.67%) VMware
2 2 (16.67%) Cisco
3 1 (8.33%) HP
3 1 (8.33%) NEC
3 1 (8.33%) Oracle