Period
to 19 April 2018

The following table provides summary statistics for contract job vacancies 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 19 April 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
6 months to
19 Apr 2018
Same period 2017 Same period 2016
Rank 856 800 880
Rank change year-on-year -56 +80 -70
Contract jobs citing Postfix 21 28 13
As % of all contract IT jobs advertised in the UK 0.021% 0.030% 0.012%
As % of the System Software category 0.16% 0.26% 0.11%
Number of daily rates quoted 8 17 12
UK median daily rate £406 £400 £425
Median daily rate % change year-on-year +1.56% -5.88% -
10th Percentile £339 £313 £251
90th Percentile £545 £500 £496
UK excluding London median daily rate £381 £375 £425
% change year-on-year +1.67% -11.76% +11.84%
Number of hourly rates quoted 0 0 0
UK median hourly rate - - -
UK excluding London median hourly rate - - -

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 with a requirement for system software skills.

All System Software Skills
UK
Contract vacancies with a requirement for system software skills 13,307 10,703 11,612
As % of all contract IT jobs advertised in the UK 13.16% 11.55% 10.88%
Number of daily rates quoted 8,639 6,738 7,020
UK median daily rate £450 £415 £400
Median daily rate % change year-on-year +8.43% +3.75% +12.68%
10th Percentile £175 £163 £163
90th Percentile £625 £588 £563
UK excluding London median daily rate £400 £358 £350
% change year-on-year +11.89% +2.14% +3.70%
Number of hourly rates quoted 737 744 970
UK median hourly rate £15.86 £16.00 £15.50
Median hourly rate % change year-on-year -0.88% +3.23% -
10th Percentile £10.75 £10.25 £10.19
90th Percentile £45.61 £46.97 £42.25
UK excluding London median hourly rate £15.00 £15.34 £16.00
% change year-on-year -2.20% -4.14% +6.67%

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
Contractor Daily Rate Trend

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

Contractor daily rate trend for Postfix in the UK

Postfix
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Postfix over the 6 months to 19 April 2018.

Contractor daily rate histogram for Postfix in the UK

Postfix
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for Postfix in the UK

Postfix
Top 6 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Postfix within the UK over the 6 months to 19 April 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
England -62 13 £560 +40.00% 5
UK excluding London -17 12 £381 +1.67% 9
London -45 9 £560 +12.00% 1
Wales - 8 £381 - 2
West Midlands - 4 - -
Midlands - 4 - -

For the 6 months to 19 April 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 with a requirement for Postfix.

1 21 (100.00%) Linux
2 17 (80.95%) CentOS
3 16 (76.19%) Bash Shell
4 14 (66.67%) SC Cleared
4 14 (66.67%) Apache
4 14 (66.67%) Security Cleared
5 13 (61.90%) DevOps
5 13 (61.90%) Jenkins
5 13 (61.90%) Ansible
5 13 (61.90%) Terraform
5 13 (61.90%) Squid
5 13 (61.90%) OpenVPN
6 12 (57.14%) Red Hat Enterprise Linux
6 12 (57.14%) JIRA
6 12 (57.14%) Load Balancing
6 12 (57.14%) Continuous Integration
6 12 (57.14%) Red Hat
6 12 (57.14%) Continuous Delivery
6 12 (57.14%) Virtual Machines
7 9 (42.86%) Rancher
7 9 (42.86%) Docker Swarm
7 9 (42.86%) Elastic Stack
7 9 (42.86%) Elasticsearch
7 9 (42.86%) MCollective
7 9 (42.86%) vCloud
7 9 (42.86%) Docker
7 9 (42.86%) Kibana
7 9 (42.86%) logstash
7 9 (42.86%) Sonatype
7 9 (42.86%) Sonatype Nexus

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 14 (66.67%) Apache
2 9 (42.86%) Confluence
2 9 (42.86%) Elasticsearch
3 8 (38.10%) Tomcat
4 4 (19.05%) nginx
Applications
1 1 (4.76%) HipChat
Cloud Services
1 9 (42.86%) Amazon AWS
2 8 (38.10%) Amazon CloudWatch
2 8 (38.10%) Amazon EC2
2 8 (38.10%) Amazon ELB
2 8 (38.10%) Amazon S3
2 8 (38.10%) Virtual Private Cloud
3 4 (19.05%) Microsoft Azure
Communications & Networking
1 13 (61.90%) OpenVPN
2 9 (42.86%) DNS
2 9 (42.86%) OpenLDAP
2 9 (42.86%) SSH
3 8 (38.10%) DHCP
3 8 (38.10%) HTTP
3 8 (38.10%) SAN
3 8 (38.10%) TCP/IP
3 8 (38.10%) VLAN
4 4 (19.05%) Network Security
4 4 (19.05%) VPN
Database & Business Intelligence
1 9 (42.86%) PostgreSQL
2 8 (38.10%) Amazon RDS
3 5 (23.81%) MySQL
4 1 (4.76%) Hadoop
Development Applications
1 13 (61.90%) Jenkins
2 12 (57.14%) JIRA
3 9 (42.86%) Ant
3 9 (42.86%) Git (software)
3 9 (42.86%) JUnit
3 9 (42.86%) Liquibase
3 9 (42.86%) Maven
3 9 (42.86%) SonarQube
3 9 (42.86%) Sonatype Nexus
4 8 (38.10%) Bitbucket
5 4 (19.05%) Artifactory
5 4 (19.05%) Gerrit
6 1 (4.76%) Arsenale Dataplane
6 1 (4.76%) JIRA Agile
Job Titles
1 12 (57.14%) DevOps Engineer
2 7 (33.33%) Unix Engineer
3 4 (19.05%) Support Engineer
3 4 (19.05%) Unix Support
3 4 (19.05%) Unix Support Engineer
4 2 (9.52%) AWS DevOps
4 2 (9.52%) AWS DevOps Engineer
4 2 (9.52%) AWS Engineer
4 2 (9.52%) Linux/Unix DevOps
5 1 (4.76%) Administrator
5 1 (4.76%) Azure DevOps
5 1 (4.76%) Azure DevOps Engineer
5 1 (4.76%) Azure Engineer
5 1 (4.76%) Cloud Engineer
5 1 (4.76%) Junior
5 1 (4.76%) Junior DevOps
5 1 (4.76%) Junior DevOps Engineer
5 1 (4.76%) Linux DevOps Engineer
5 1 (4.76%) Linux Engineer
5 1 (4.76%) Unix Administrator
Libraries, Frameworks & Software Standards
1 9 (42.86%) Elastic Stack
1 9 (42.86%) MCollective
2 8 (38.10%) LAMP
2 8 (38.10%) REST
3 1 (4.76%) Software Packaging
Miscellaneous
1 8 (38.10%) Linux Command Line
Operating Systems
1 21 (100.00%) Linux
2 17 (80.95%) CentOS
3 12 (57.14%) Red Hat Enterprise Linux
4 8 (38.10%) Unix
Processes & Methodologies
1 13 (61.90%) DevOps
2 12 (57.14%) Continuous Delivery
2 12 (57.14%) Continuous Integration
2 12 (57.14%) Load Balancing
3 9 (42.86%) Agile Software Development
3 9 (42.86%) Scrum
3 9 (42.86%) Service Management
4 8 (38.10%) Coaching
4 8 (38.10%) Configuration Management
4 8 (38.10%) Stakeholder Management
5 4 (19.05%) High Availability
5 4 (19.05%) Task Automation
6 3 (14.29%) Continuous Improvement
6 3 (14.29%) Migration
6 3 (14.29%) Problem Management
6 3 (14.29%) Software Delivery
7 1 (4.76%) Identity Management
7 1 (4.76%) Workflow
Programming Languages
1 16 (76.19%) Bash Shell
2 9 (42.86%) Ruby
3 8 (38.10%) Groovy
3 8 (38.10%) Java
3 8 (38.10%) Perl
3 8 (38.10%) Python
4 5 (23.81%) PHP
5 1 (4.76%) Shell Script
Qualifications
1 14 (66.67%) SC Cleared
1 14 (66.67%) Security Cleared
2 2 (9.52%) CTC Cleared
System Software
1 13 (61.90%) Squid
2 12 (57.14%) Virtual Machines
3 9 (42.86%) Docker
3 9 (42.86%) vCloud
4 8 (38.10%) NFS
5 6 (28.57%) iptables
5 6 (28.57%) Sendmail
Systems Management
1 13 (61.90%) Ansible
1 13 (61.90%) Terraform
2 9 (42.86%) Docker Swarm
2 9 (42.86%) Kibana
2 9 (42.86%) Kubernetes
2 9 (42.86%) logstash
2 9 (42.86%) Puppet
2 9 (42.86%) Rancher
2 9 (42.86%) ZABBIX
3 8 (38.10%) Rsyslog
3 8 (38.10%) Sysdig
4 4 (19.05%) HAProxy
Vendors
1 12 (57.14%) Red Hat
2 9 (42.86%) Sonatype
2 9 (42.86%) VMware
3 8 (38.10%) SolarWinds
4 1 (4.76%) Oracle