Period
to 24 June 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 24 June 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
24 Jun 2018
Same period 2017 Same period 2016
Rank 863 821 858
Rank change year-on-year -42 +37 -33
Contract jobs citing Postfix 20 20 36
As % of all contract IT jobs advertised in the UK 0.020% 0.022% 0.034%
As % of the System Software category 0.15% 0.19% 0.29%
Number of daily rates quoted 6 8 24
UK median daily rate £406 £375 £345
Median daily rate % change year-on-year +8.33% +8.70% -9.21%
10th Percentile £397 £310 £263
90th Percentile £625 £528 £496
UK excluding London median daily rate £400 £375 £340
% change year-on-year +6.67% +10.29% -9.33%
Number of hourly rates quoted 3 0 0
UK median hourly rate £24.00 - -
UK excluding London median hourly rate £24.00 - -

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 13,774 10,269 12,528
As % of all contract IT jobs advertised in the UK 13.74% 11.21% 11.73%
Number of daily rates quoted 8,883 6,568 7,674
UK median daily rate £450 £420 £400
Median daily rate % change year-on-year +7.14% +5.00% +14.29%
10th Percentile £185 £163 £173
90th Percentile £625 £588 £575
UK excluding London median daily rate £400 £375 £365
% change year-on-year +6.67% +2.74% +8.15%
Number of hourly rates quoted 822 656 919
UK median hourly rate £16.00 £16.00 £16.00
10th Percentile £11.00 £10.13 £10.50
90th Percentile £45.87 £46.07 £42.00
UK excluding London median hourly rate £15.53 £15.00 £16.00
% change year-on-year +3.55% -6.25% +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 24 June 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
Contractor Hourly Rate Histogram

The hourly rate distribution of IT jobs citing Postfix over the 6 months to 24 June 2018.

Contractor hourly rate histogram for Postfix in the UK

Postfix
Top 8 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 24 June 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 -52 16 £406 +8.33% 9
London -48 11 £550 +29.41% 4
UK excluding London -31 9 £400 +6.67% 5
South East - 3 £400 - 4
Wales - 2 - -
West Midlands - 2 - -
Midlands - 2 - - 1
Scotland - 2 - -

For the 6 months to 24 June 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 18 (90.00%) Linux
2 13 (65.00%) DevOps
3 12 (60.00%) Apache
3 12 (60.00%) Load Balancing
4 11 (55.00%) Squid
4 11 (55.00%) Ansible
5 10 (50.00%) nginx
6 9 (45.00%) Continuous Integration
6 9 (45.00%) CentOS
6 9 (45.00%) JIRA
6 9 (45.00%) PostgreSQL
6 9 (45.00%) Unix
6 9 (45.00%) Jenkins
6 9 (45.00%) OpenVPN
6 9 (45.00%) Terraform
7 8 (40.00%) Virtual Machines
7 8 (40.00%) DNS
7 8 (40.00%) Bash Shell
8 7 (35.00%) Red Hat Enterprise Linux
8 7 (35.00%) Network Security
8 7 (35.00%) Red Hat
8 7 (35.00%) VPN
8 7 (35.00%) HAProxy
8 7 (35.00%) Continuous Delivery
9 6 (30.00%) Liquibase
9 6 (30.00%) Puppet
9 6 (30.00%) Git (software)
9 6 (30.00%) SC Cleared
9 6 (30.00%) Security Cleared
9 6 (30.00%) Confluence

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 12 (60.00%) Apache
2 10 (50.00%) nginx
3 6 (30.00%) Confluence
4 4 (20.00%) Elasticsearch
5 3 (15.00%) lighttpd
5 3 (15.00%) Tomcat
6 2 (10.00%) CMS
6 2 (10.00%) Drupal
6 2 (10.00%) MODX
6 2 (10.00%) WordPress
Applications
1 1 (5.00%) HipChat
Cloud Services
1 5 (25.00%) Microsoft Azure
2 4 (20.00%) Amazon AWS
3 3 (15.00%) Amazon CloudWatch
3 3 (15.00%) Amazon EC2
3 3 (15.00%) Amazon ELB
3 3 (15.00%) Amazon S3
3 3 (15.00%) Virtual Private Cloud
4 2 (10.00%) Adobe Analytics
4 2 (10.00%) Akamai
4 2 (10.00%) Google Analytics
4 2 (10.00%) Google Tag Manager
4 2 (10.00%) Mailgun
4 2 (10.00%) npm
Communications & Networking
1 9 (45.00%) OpenVPN
2 8 (40.00%) DNS
3 7 (35.00%) Network Security
3 7 (35.00%) VPN
4 4 (20.00%) Firewall
4 4 (20.00%) OpenLDAP
4 4 (20.00%) SSH
5 3 (15.00%) HTTP
6 2 (10.00%) DHCP
6 2 (10.00%) FTP
6 2 (10.00%) Kerberos
6 2 (10.00%) LAN
6 2 (10.00%) Reverse Proxy
6 2 (10.00%) SMTP
6 2 (10.00%) SSL
6 2 (10.00%) TCP/IP
6 2 (10.00%) VLAN
6 2 (10.00%) VoIP
6 2 (10.00%) WAN
6 2 (10.00%) Wi-Fi
Database & Business Intelligence
1 9 (45.00%) PostgreSQL
2 3 (15.00%) Amazon RDS
3 2 (10.00%) MySQL
3 2 (10.00%) NoSQL
4 1 (5.00%) Hadoop
Development Applications
1 9 (45.00%) Jenkins
1 9 (45.00%) JIRA
2 6 (30.00%) Git (software)
2 6 (30.00%) Liquibase
3 5 (25.00%) Artifactory
3 5 (25.00%) Gerrit
4 4 (20.00%) Ant
4 4 (20.00%) JUnit
4 4 (20.00%) Maven
4 4 (20.00%) SonarQube
4 4 (20.00%) Sonatype Nexus
5 3 (15.00%) Bitbucket
6 2 (10.00%) Subversion
7 1 (5.00%) Arsenale Dataplane
7 1 (5.00%) JIRA Agile
7 1 (5.00%) Metasploit
General
1 4 (20.00%) Telecoms
2 2 (10.00%) Electronics
2 2 (10.00%) Finance
2 2 (10.00%) Manufacturing
2 2 (10.00%) Marketing
Job Titles
1 10 (50.00%) DevOps Engineer
2 3 (15.00%) Administrator
2 3 (15.00%) Linux Administrator
2 3 (15.00%) Linux Systems Administrator
2 3 (15.00%) Systems Administrator
2 3 (15.00%) Unix Administrator
2 3 (15.00%) Unix Linux Systems Administrator
2 3 (15.00%) Unix Systems Administrator
3 2 (10.00%) Azure DevOps
3 2 (10.00%) Azure DevOps Engineer
3 2 (10.00%) Azure Engineer
3 2 (10.00%) Developer
3 2 (10.00%) Linux/Unix DevOps
3 2 (10.00%) Network Engineer
3 2 (10.00%) Software Developer
3 2 (10.00%) Unix Engineer
4 1 (5.00%) AWS DevOps Engineer
4 1 (5.00%) Junior DevOps
4 1 (5.00%) Junior DevOps Engineer
4 1 (5.00%) Senior DevOps
Libraries, Frameworks & Software Standards
1 5 (25.00%) LAMP
1 5 (25.00%) LDAP
2 4 (20.00%) Elastic Stack
2 4 (20.00%) MCollective
3 3 (15.00%) LAPP Stack
3 3 (15.00%) REST
4 2 (10.00%) ActiveMQ
4 2 (10.00%) Apache Camel
4 2 (10.00%) Apache CXF
4 2 (10.00%) CSS
4 2 (10.00%) HTML
4 2 (10.00%) LEMP Stack
4 2 (10.00%) Node.js
4 2 (10.00%) RESTful
4 2 (10.00%) SOAP
4 2 (10.00%) Spring
4 2 (10.00%) Spring Boot
4 2 (10.00%) Web Services
4 2 (10.00%) XSD
4 2 (10.00%) XSLT
Miscellaneous
1 5 (25.00%) Linux Command Line
2 2 (10.00%) PKI
Operating Systems
1 18 (90.00%) Linux
2 9 (45.00%) CentOS
2 9 (45.00%) Unix
3 7 (35.00%) Red Hat Enterprise Linux
4 3 (15.00%) FreeBSD
Processes & Methodologies
1 13 (65.00%) DevOps
2 12 (60.00%) Load Balancing
3 9 (45.00%) Continuous Integration
4 7 (35.00%) Continuous Delivery
5 6 (30.00%) Agile Software Development
5 6 (30.00%) Scrum
6 5 (25.00%) Configuration Management
6 5 (25.00%) High Availability
6 5 (25.00%) Task Automation
7 4 (20.00%) Service Management
8 3 (15.00%) Coaching
8 3 (15.00%) Continuous Improvement
8 3 (15.00%) Disaster Recovery
8 3 (15.00%) Migration
8 3 (15.00%) Software Delivery
8 3 (15.00%) Stakeholder Management
9 2 (10.00%) Continuous Deployment
9 2 (10.00%) Performance Optimisation
9 2 (10.00%) Vulnerability Scanning
9 2 (10.00%) Web Development
Programming Languages
1 8 (40.00%) Bash Shell
2 5 (25.00%) Java
2 5 (25.00%) Perl
2 5 (25.00%) Python
3 4 (20.00%) SQL
4 3 (15.00%) Groovy
4 3 (15.00%) Ruby
5 2 (10.00%) JavaScript
5 2 (10.00%) PHP
6 1 (5.00%) Shell Script
Qualifications
1 6 (30.00%) SC Cleared
1 6 (30.00%) Security Cleared
2 2 (10.00%) CTC Cleared
System Software
1 11 (55.00%) Squid
2 8 (40.00%) Virtual Machines
3 4 (20.00%) Docker
3 4 (20.00%) vCloud
4 3 (15.00%) Varnish
5 2 (10.00%) iptables
5 2 (10.00%) NFS
5 2 (10.00%) Samba
Systems Management
1 11 (55.00%) Ansible
2 9 (45.00%) Terraform
3 7 (35.00%) HAProxy
4 6 (30.00%) Puppet
5 4 (20.00%) Docker Swarm
5 4 (20.00%) Kibana
5 4 (20.00%) Kubernetes
5 4 (20.00%) logstash
5 4 (20.00%) Rancher
5 4 (20.00%) ZABBIX
6 3 (15.00%) Cacti
6 3 (15.00%) Nagios
6 3 (15.00%) Rsyslog
6 3 (15.00%) Sysdig
7 2 (10.00%) Fail2ban
7 2 (10.00%) Forum Sentry
7 2 (10.00%) Opscode Chef
8 1 (5.00%) Cisco UCCX
8 1 (5.00%) Nessus
8 1 (5.00%) Nmap
Vendors
1 7 (35.00%) Red Hat
2 4 (20.00%) Sonatype
2 4 (20.00%) VMware
3 3 (15.00%) Juniper
4 2 (10.00%) Adobe
4 2 (10.00%) Cisco
4 2 (10.00%) Google
4 2 (10.00%) Lets Encrypt
4 2 (10.00%) SAP
4 2 (10.00%) SolarWinds
5 1 (5.00%) HP
5 1 (5.00%) NEC
5 1 (5.00%) Oracle