Period
to 21 August 2017

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 21 August 2017 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
21 Aug 2017
Same period 2016 Same period 2015
Rank 820 795 861
Rank change year-on-year -25 +66 -29
Contract jobs citing Postfix 21 107 28
As % of all contract IT jobs advertised in the UK 0.022% 0.099% 0.025%
As % of the System Software category 0.19% 0.81% 0.23%
Number of daily rates quoted 4 45 20
UK median daily rate £383 £400 £350
Median daily rate % change year-on-year -4.38% +14.29% -17.16%
10th Percentile £306 £293 £230
90th Percentile £550 £605 £419
UK excluding London median daily rate - £340 £350
% change year-on-year - -2.86% -17.65%
Number of hourly rates quoted 0 0 0
UK median hourly rate - - -
UK excluding London median hourly rate - - -

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

Contract System Software Skills
UK
Contract job vacancies with a requirement for system software skills 11324 13198 11941
As % of all contract IT job vacancies advertised in the UK 11.82% 12.17% 10.52%
Number of daily rates quoted 7288 8247 6727
UK median daily rate £425 £400 £350
Median daily rate % change year-on-year +6.25% +14.29% +7.69%
10th Percentile £163 £175 £163
90th Percentile £588 £575 £525
UK excluding London median daily rate £375 £365 £338
% change year-on-year +2.74% +8.15% +9.42%
Number of hourly rates quoted 639 874 1288
UK median hourly rate £16.28 £16.50 £16.00
Median hourly rate % change year-on-year -1.33% +3.13% +3.23%
10th Percentile £10.40 £10.50 £10.25
90th Percentile £47.10 £41.00 £38.00
UK excluding London median hourly rate £15.50 £16.50 £15.50
% change year-on-year -6.06% +6.45% +3.33%

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 21 August 2017.

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 21 August 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England -42 20 £383 -4.38% 1
London -42 16 £383 -23.12% 1
UK excluding London +40 4 - -
West Midlands +43 3 - -
Midlands +37 3 - -
Scotland - 1 - -

For the 6 months to 21 August 2017, 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 with a requirement for Postfix.

1 21 (100.00%) Linux
1 21 (100.00%) Apache
2 20 (95.24%) VMware
2 20 (95.24%) OpenLDAP
2 20 (95.24%) Ansible
3 18 (85.71%) Docker
3 18 (85.71%) logstash
3 18 (85.71%) DevOps
3 18 (85.71%) Kibana
3 18 (85.71%) Elasticsearch
3 18 (85.71%) MCollective
3 18 (85.71%) Liquibase
3 18 (85.71%) Kubernetes
3 18 (85.71%) SonarQube
3 18 (85.71%) Continuous Delivery
3 18 (85.71%) Elastic Stack
3 18 (85.71%) Terraform
3 18 (85.71%) Sonatype
3 18 (85.71%) Sonatype Nexus
3 18 (85.71%) Rancher
3 18 (85.71%) Docker Swarm
3 18 (85.71%) CentOS
3 18 (85.71%) Git (software)
3 18 (85.71%) ZABBIX
3 18 (85.71%) Amazon AWS
3 18 (85.71%) Bash Shell
3 18 (85.71%) Confluence
3 18 (85.71%) Puppet
3 18 (85.71%) OpenVPN
3 18 (85.71%) vCloud

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 21 (100.00%) Apache
2 18 (85.71%) Confluence
2 18 (85.71%) Elasticsearch
3 15 (71.43%) Tomcat
4 2 (9.52%) IIS
5 1 (4.76%) WebLogic
Applications
1 1 (4.76%) HipChat
Cloud Services
1 18 (85.71%) Amazon AWS
2 17 (80.95%) Amazon CloudWatch
2 17 (80.95%) Amazon EC2
2 17 (80.95%) Amazon ELB
2 17 (80.95%) Amazon S3
2 17 (80.95%) Virtual Private Cloud
Communications & Networking
1 20 (95.24%) OpenLDAP
2 18 (85.71%) DNS
2 18 (85.71%) OpenVPN
2 18 (85.71%) SSH
3 17 (80.95%) HTTP
4 1 (4.76%) LDAP
Database & Business Intelligence
1 18 (85.71%) PostgreSQL
2 17 (80.95%) Amazon RDS
3 2 (9.52%) MySQL
4 1 (4.76%) Hadoop
Development Applications
1 18 (85.71%) Ant
1 18 (85.71%) Git (software)
1 18 (85.71%) Jenkins
1 18 (85.71%) JIRA
1 18 (85.71%) JUnit
1 18 (85.71%) Liquibase
1 18 (85.71%) Maven
1 18 (85.71%) SonarQube
1 18 (85.71%) Sonatype Nexus
2 17 (80.95%) Bitbucket
3 2 (9.52%) GitLab
4 1 (4.76%) Arsenale Dataplane
4 1 (4.76%) JIRA Agile
Job Titles
1 17 (80.95%) DevOps Engineer
2 9 (42.86%) AWS DevOps
2 9 (42.86%) AWS DevOps Engineer
2 9 (42.86%) AWS Engineer
3 2 (9.52%) Administrator
3 2 (9.52%) Linux Administrator
3 2 (9.52%) Linux Systems Administrator
3 2 (9.52%) Systems Administrator
4 1 (4.76%) Consultant
4 1 (4.76%) DevOps Consultant
4 1 (4.76%) Junior
4 1 (4.76%) Junior DevOps
4 1 (4.76%) Junior DevOps Engineer
4 1 (4.76%) Technical Specialist
4 1 (4.76%) Unix Specialist
4 1 (4.76%) Unix Technical Specialist
Libraries, Frameworks & Software Standards
1 18 (85.71%) Elastic Stack
1 18 (85.71%) MCollective
2 17 (80.95%) REST
3 2 (9.52%) LAMP
4 1 (4.76%) Software Packaging
Miscellaneous
1 17 (80.95%) Linux Command Line
Operating Systems
1 21 (100.00%) Linux
2 18 (85.71%) CentOS
3 1 (4.76%) Solaris
3 1 (4.76%) Unix
Processes & Methodologies
1 18 (85.71%) Agile Software Development
1 18 (85.71%) Configuration Management
1 18 (85.71%) Continuous Delivery
1 18 (85.71%) Continuous Integration
1 18 (85.71%) DevOps
1 18 (85.71%) Scrum
1 18 (85.71%) Service Management
1 18 (85.71%) Stakeholder Management
2 17 (80.95%) Coaching
2 17 (80.95%) Load Balancing
3 3 (14.29%) Identity Management
4 1 (4.76%) Case Management
4 1 (4.76%) Workflow
Programming Languages
1 18 (85.71%) Bash Shell
2 17 (80.95%) Groovy
2 17 (80.95%) Java
3 3 (14.29%) Perl
4 2 (9.52%) PHP
4 2 (9.52%) PowerShell
4 2 (9.52%) Python
5 1 (4.76%) Ruby
5 1 (4.76%) Shell Script
Qualifications
1 16 (76.19%) Security Cleared
2 14 (66.67%) SC Cleared
3 3 (14.29%) DV Cleared
4 1 (4.76%) BPSS Clearance
4 1 (4.76%) CTC Cleared
System Software
1 18 (85.71%) Docker
1 18 (85.71%) Squid
1 18 (85.71%) vCloud
2 17 (80.95%) Virtual Machines
3 2 (9.52%) Active Directory
4 1 (4.76%) Samba
Systems Management
1 20 (95.24%) Ansible
2 18 (85.71%) Docker Swarm
2 18 (85.71%) Kibana
2 18 (85.71%) Kubernetes
2 18 (85.71%) logstash
2 18 (85.71%) Puppet
2 18 (85.71%) Rancher
2 18 (85.71%) Terraform
2 18 (85.71%) ZABBIX
3 17 (80.95%) Rsyslog
3 17 (80.95%) Sysdig
4 2 (9.52%) FreeIPA
4 2 (9.52%) HAProxy
4 2 (9.52%) Red Hat Spacewalk
Vendors
1 20 (95.24%) VMware
2 18 (85.71%) Sonatype
3 2 (9.52%) BT
3 2 (9.52%) Cisco
3 2 (9.52%) Oracle
3 2 (9.52%) SolarWinds
4 1 (4.76%) CommVault
4 1 (4.76%) NetApp
4 1 (4.76%) Red Hat