Period
to 16 January 2018

The following table provides summary statistics for contract job vacancies advertised in London 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 16 January 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
England > London
6 months to
16 Jan 2018
Same period 2017 Same period 2016
Rank 616 495 593
Rank change year-on-year -121 +98 -12
Contract jobs citing Postfix 9 93 7
As % of all contract IT jobs advertised in London 0.019% 0.22% 0.016%
As % of the System Software category 0.15% 1.82% 0.17%
Number of daily rates quoted 3 24 7
London median daily rate £450 £500 £438
Median daily rate % change year-on-year -10.00% +14.29% +3.55%
10th Percentile £391 £313 £244
90th Percentile £674 £558 £472
England median daily rate £450 £489 £438
% change year-on-year -7.93% +11.71% +12.90%
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England median hourly rate £13.95 - -

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 London with a requirement for system software skills.

All System Software Skills
London
Contract vacancies with a requirement for system software skills 5,856 5,120 4,225
As % of all contract IT jobs advertised in London 12.61% 12.27% 9.65%
Number of daily rates quoted 4,259 3,542 2,880
London median daily rate £500 £450 £425
Median daily rate % change year-on-year +11.11% +5.88% +9.68%
10th Percentile £185 £200 £175
90th Percentile £638 £625 £613
England median daily rate £440 £413 £380
% change year-on-year +6.67% +8.55% +8.57%
Number of hourly rates quoted 137 145 187
London median hourly rate £20.00 £18.00 £15.50
Median hourly rate % change year-on-year +11.11% +16.13% +3.33%
10th Percentile £11.81 £12.50 £10.75
90th Percentile £48.00 £50.00 £39.15
England median hourly rate £16.50 £16.15 £15.50
% change year-on-year +2.17% +4.19% -

Postfix
Job Vacancy Trend in London

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

Job vacancy trend for Postfix in London

Postfix
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Postfix in London

Postfix
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Postfix in London over the 6 months to 16 January 2018.

Contractor daily rate histogram for Postfix in London

Postfix
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for Postfix in London

Postfix
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Postfix within the London region over the 6 months to 16 January 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
South London -54 7 £561 +14.25%
Postfix
England

For the 6 months to 16 January 2018, IT contractor jobs citing Postfix also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the London region with a requirement for Postfix.

1 9 (100.00%) Ant
1 9 (100.00%) JUnit
1 9 (100.00%) Linux
1 9 (100.00%) Apache
1 9 (100.00%) DNS
1 9 (100.00%) PostgreSQL
1 9 (100.00%) Scrum
1 9 (100.00%) VMware
1 9 (100.00%) Agile Software Development
1 9 (100.00%) SSH
1 9 (100.00%) Maven
1 9 (100.00%) Service Management
1 9 (100.00%) Squid
1 9 (100.00%) JIRA
1 9 (100.00%) Continuous Integration
1 9 (100.00%) CentOS
1 9 (100.00%) Git (software)
1 9 (100.00%) ZABBIX
1 9 (100.00%) OpenLDAP
1 9 (100.00%) Confluence
1 9 (100.00%) Puppet
1 9 (100.00%) OpenVPN
1 9 (100.00%) Amazon AWS
1 9 (100.00%) vCloud
1 9 (100.00%) Jenkins
1 9 (100.00%) Elasticsearch
1 9 (100.00%) MCollective
1 9 (100.00%) Ansible
1 9 (100.00%) Docker
1 9 (100.00%) logstash

Postfix
Co-occurring IT Skills in London 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 9 (100.00%) Apache
1 9 (100.00%) Confluence
1 9 (100.00%) Elasticsearch
2 8 (88.89%) Tomcat
Applications
1 1 (11.11%) HipChat
Cloud Services
1 9 (100.00%) Amazon AWS
2 8 (88.89%) Amazon CloudWatch
2 8 (88.89%) Amazon EC2
2 8 (88.89%) Amazon ELB
2 8 (88.89%) Amazon S3
2 8 (88.89%) Virtual Private Cloud
Communications & Networking
1 9 (100.00%) DNS
1 9 (100.00%) OpenLDAP
1 9 (100.00%) OpenVPN
1 9 (100.00%) SSH
2 8 (88.89%) HTTP
Database & Business Intelligence
1 9 (100.00%) PostgreSQL
2 8 (88.89%) Amazon RDS
3 1 (11.11%) Hadoop
Development Applications
1 9 (100.00%) Ant
1 9 (100.00%) Git (software)
1 9 (100.00%) Jenkins
1 9 (100.00%) JIRA
1 9 (100.00%) JUnit
1 9 (100.00%) Liquibase
1 9 (100.00%) Maven
1 9 (100.00%) SonarQube
1 9 (100.00%) Sonatype Nexus
2 8 (88.89%) Bitbucket
3 1 (11.11%) Arsenale Dataplane
3 1 (11.11%) JIRA Agile
Job Titles
1 8 (88.89%) DevOps Engineer
2 2 (22.22%) AWS DevOps
2 2 (22.22%) AWS DevOps Engineer
2 2 (22.22%) AWS Engineer
2 2 (22.22%) Linux/Unix DevOps
3 1 (11.11%) Cloud Engineer
3 1 (11.11%) Java Engineer
3 1 (11.11%) Junior
3 1 (11.11%) Junior DevOps
3 1 (11.11%) Junior DevOps Engineer
3 1 (11.11%) Linux DevOps Engineer
3 1 (11.11%) Linux Engineer
Libraries, Frameworks & Software Standards
1 9 (100.00%) Elastic Stack
1 9 (100.00%) MCollective
2 8 (88.89%) REST
3 1 (11.11%) Software Packaging
Miscellaneous
1 8 (88.89%) Linux Command Line
Operating Systems
1 9 (100.00%) CentOS
1 9 (100.00%) Linux
Processes & Methodologies
1 9 (100.00%) Agile Software Development
1 9 (100.00%) Continuous Delivery
1 9 (100.00%) Continuous Integration
1 9 (100.00%) DevOps
1 9 (100.00%) Scrum
1 9 (100.00%) Service Management
2 8 (88.89%) Coaching
2 8 (88.89%) Configuration Management
2 8 (88.89%) Load Balancing
2 8 (88.89%) Stakeholder Management
3 1 (11.11%) Identity Management
3 1 (11.11%) Workflow
Programming Languages
1 8 (88.89%) Bash Shell
1 8 (88.89%) Groovy
1 8 (88.89%) Java
2 1 (11.11%) Ruby
2 1 (11.11%) Shell Script
Qualifications
1 7 (77.78%) Security Cleared
2 6 (66.67%) SC Cleared
3 1 (11.11%) CTC Cleared
System Software
1 9 (100.00%) Docker
1 9 (100.00%) Squid
1 9 (100.00%) vCloud
2 8 (88.89%) Virtual Machines
Systems Management
1 9 (100.00%) Ansible
1 9 (100.00%) Docker Swarm
1 9 (100.00%) Kibana
1 9 (100.00%) Kubernetes
1 9 (100.00%) logstash
1 9 (100.00%) Puppet
1 9 (100.00%) Rancher
1 9 (100.00%) Terraform
1 9 (100.00%) ZABBIX
2 8 (88.89%) Rsyslog
2 8 (88.89%) Sysdig
Vendors
1 9 (100.00%) Sonatype
1 9 (100.00%) VMware
2 1 (11.11%) Oracle