Period
to 21 November 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 November 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 Nov 2017
Same period 2016 Same period 2015
Rank 853 735 872
Rank change year-on-year -118 +137 -30
Contract jobs citing Postfix 24 146 16
As % of all contract IT jobs advertised in the UK 0.023% 0.14% 0.014%
As % of the System Software category 0.18% 1.13% 0.14%
Number of daily rates quoted 5 51 14
UK median daily rate £415 £460 £369
Median daily rate % change year-on-year -9.78% +24.75% -6.35%
10th Percentile £353 £288 £276
90th Percentile £473 £605 £468
UK excluding London median daily rate £363 £300 £360
% change year-on-year +20.83% -16.67% -8.57%
Number of hourly rates quoted 4 0 0
UK median hourly rate £13.95 - -
UK excluding London 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 with a requirement for system software skills.

All System Software Skills
UK
Contract vacancies with a requirement for system software skills 12985 12942 11608
As % of all contract IT jobs advertised in the UK 12.59% 12.36% 10.22%
Number of daily rates quoted 8431 8106 6614
UK median daily rate £425 £400 £365
Median daily rate % change year-on-year +6.25% +9.59% +8.15%
10th Percentile £156 £173 £158
90th Percentile £609 £575 £550
UK excluding London median daily rate £375 £350 £330
% change year-on-year +7.14% +6.06% +3.13%
Number of hourly rates quoted 726 880 1248
UK median hourly rate £16.50 £16.00 £16.00
Median hourly rate % change year-on-year +3.13% - +6.67%
10th Percentile £10.40 £10.50 £10.00
90th Percentile £46.82 £42.00 £38.75
UK excluding London median hourly rate £15.00 £15.00 £16.00
% change year-on-year - -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 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 7 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 November 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 -111 19 £433 -5.98% 3
UK excluding London +10 14 £363 +20.83% 5
West Midlands +29 10 - -
Midlands +27 10 - -
London -135 8 £433 -13.50% 1
Wales - 3 £363 - 3
Scotland - 1 - -

For the 6 months to 21 November 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 23 (95.83%) Apache
2 20 (83.33%) Linux
2 20 (83.33%) Configuration Management
3 19 (79.17%) DNS
3 19 (79.17%) Squid
3 19 (79.17%) Bash Shell
4 18 (75.00%) Load Balancing
4 18 (75.00%) CentOS
5 17 (70.83%) Security Cleared
5 17 (70.83%) Coaching
6 16 (66.67%) Jenkins
6 16 (66.67%) DevOps
6 16 (66.67%) Puppet
6 16 (66.67%) Ansible
6 16 (66.67%) Docker
6 16 (66.67%) Continuous Integration
6 16 (66.67%) SC Cleared
6 16 (66.67%) PostgreSQL
6 16 (66.67%) Sonatype Nexus
7 15 (62.50%) Elastic Stack
7 15 (62.50%) Terraform
7 15 (62.50%) Sonatype
7 15 (62.50%) Rancher
7 15 (62.50%) Docker Swarm
7 15 (62.50%) Scrum
7 15 (62.50%) VMware
7 15 (62.50%) Stakeholder Management
7 15 (62.50%) Agile Software Development
7 15 (62.50%) SSH
7 15 (62.50%) Maven

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 23 (95.83%) Apache
2 15 (62.50%) Confluence
2 15 (62.50%) Elasticsearch
2 15 (62.50%) Tomcat
3 1 (4.17%) nginx
3 1 (4.17%) WebLogic
Applications
1 1 (4.17%) HipChat
Cloud Services
1 15 (62.50%) Amazon AWS
2 14 (58.33%) Amazon CloudWatch
2 14 (58.33%) Amazon EC2
2 14 (58.33%) Amazon ELB
2 14 (58.33%) Amazon S3
2 14 (58.33%) Virtual Private Cloud
Communications & Networking
1 19 (79.17%) DNS
2 15 (62.50%) OpenLDAP
2 15 (62.50%) OpenVPN
2 15 (62.50%) SSH
3 14 (58.33%) HTTP
4 5 (20.83%) LDAP
4 5 (20.83%) SSL
5 4 (16.67%) Asterisk PBX
5 4 (16.67%) Firewall
5 4 (16.67%) FTP
5 4 (16.67%) GSM
5 4 (16.67%) Internet
5 4 (16.67%) Kerberos
5 4 (16.67%) LAN
5 4 (16.67%) MPLS
5 4 (16.67%) PABX
5 4 (16.67%) PBX
5 4 (16.67%) VoIP
5 4 (16.67%) VPN
5 4 (16.67%) WAN
Database & Business Intelligence
1 16 (66.67%) PostgreSQL
2 14 (58.33%) Amazon RDS
3 3 (12.50%) MySQL
4 1 (4.17%) Hadoop
4 1 (4.17%) MariaDB
Development Applications
1 16 (66.67%) Jenkins
1 16 (66.67%) Sonatype Nexus
2 15 (62.50%) Ant
2 15 (62.50%) Git (software)
2 15 (62.50%) JIRA
2 15 (62.50%) JUnit
2 15 (62.50%) Liquibase
2 15 (62.50%) Maven
2 15 (62.50%) SonarQube
3 14 (58.33%) Bitbucket
4 4 (16.67%) Metasploit
5 1 (4.17%) Arsenale Dataplane
5 1 (4.17%) JIRA Agile
General
1 4 (16.67%) Finance
1 4 (16.67%) Telecoms
2 1 (4.17%) French Language
Job Titles
1 15 (62.50%) DevOps Engineer
2 3 (12.50%) Network Support
3 2 (8.33%) Administrator
3 2 (8.33%) AWS DevOps
3 2 (8.33%) AWS DevOps Engineer
3 2 (8.33%) AWS Engineer
3 2 (8.33%) ICT Support
3 2 (8.33%) Support Engineer
3 2 (8.33%) Support Officer
3 2 (8.33%) Unix Engineer
3 2 (8.33%) Unix Support
3 2 (8.33%) Unix Support Engineer
4 1 (4.17%) DevOps Administrator
4 1 (4.17%) DevOps Consultant
4 1 (4.17%) DevOps Systems Engineer
4 1 (4.17%) ICT Officer
4 1 (4.17%) ICT Support Officer
4 1 (4.17%) Junior DevOps
4 1 (4.17%) Junior DevOps Engineer
4 1 (4.17%) Unix Technical Specialist
Libraries, Frameworks & Software Standards
1 15 (62.50%) Elastic Stack
1 15 (62.50%) MCollective
2 14 (58.33%) REST
3 8 (33.33%) LAMP
4 1 (4.17%) LAPP Stack
4 1 (4.17%) LEMP Stack
4 1 (4.17%) Software Packaging
Miscellaneous
1 14 (58.33%) Linux Command Line
2 4 (16.67%) PKI
3 3 (12.50%) Management Information System
Operating Systems
1 20 (83.33%) Linux
2 18 (75.00%) CentOS
3 8 (33.33%) Unix
4 3 (12.50%) Red Hat Enterprise Linux
5 1 (4.17%) Solaris
Processes & Methodologies
1 20 (83.33%) Configuration Management
2 18 (75.00%) Load Balancing
3 17 (70.83%) Coaching
4 16 (66.67%) Continuous Integration
4 16 (66.67%) DevOps
5 15 (62.50%) Agile Software Development
5 15 (62.50%) Continuous Delivery
5 15 (62.50%) Scrum
5 15 (62.50%) Service Management
5 15 (62.50%) Stakeholder Management
6 4 (16.67%) Asset Management
6 4 (16.67%) Integration Testing
6 4 (16.67%) Line Management
6 4 (16.67%) Open Source
6 4 (16.67%) Service Delivery
7 3 (12.50%) Change Control
7 3 (12.50%) Network Security Management
7 3 (12.50%) Security Management
8 1 (4.17%) Identity Management
8 1 (4.17%) Workflow
Programming Languages
1 19 (79.17%) Bash Shell
2 14 (58.33%) Groovy
2 14 (58.33%) Java
3 5 (20.83%) Perl
3 5 (20.83%) Ruby
4 4 (16.67%) Python
4 4 (16.67%) SQL
5 2 (8.33%) PHP
6 1 (4.17%) Shell Script
Qualifications
1 17 (70.83%) Security Cleared
2 16 (66.67%) SC Cleared
3 2 (8.33%) DV Cleared
4 1 (4.17%) Cisco Certification
4 1 (4.17%) CTC Cleared
4 1 (4.17%) ITIL Foundation Certificate
System Software
1 19 (79.17%) Squid
2 16 (66.67%) Docker
3 15 (62.50%) vCloud
4 14 (58.33%) Virtual Machines
5 7 (29.17%) iptables
6 5 (20.83%) Samba
7 3 (12.50%) NFS
7 3 (12.50%) Sendmail
Systems Management
1 16 (66.67%) Ansible
1 16 (66.67%) Puppet
2 15 (62.50%) Docker Swarm
2 15 (62.50%) Kibana
2 15 (62.50%) Kubernetes
2 15 (62.50%) logstash
2 15 (62.50%) Rancher
2 15 (62.50%) Terraform
2 15 (62.50%) ZABBIX
3 14 (58.33%) Rsyslog
3 14 (58.33%) Sysdig
4 4 (16.67%) Cisco UCCX
4 4 (16.67%) Nessus
4 4 (16.67%) Nmap
5 1 (4.17%) Opscode Chef
Vendors
1 15 (62.50%) Sonatype
1 15 (62.50%) VMware
2 4 (16.67%) Cisco
2 4 (16.67%) NEC
2 4 (16.67%) Red Hat
3 3 (12.50%) SolarWinds
4 2 (8.33%) Oracle
5 1 (4.17%) CommVault
5 1 (4.17%) NetApp