Period
to 23 October 2018

The following table provides summary statistics for contract job vacancies advertised in England 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 23 October 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 > England
6 months to
23 Oct 2018
Same period 2017 Same period 2016
Rank 826 835 720
Rank change year-on-year +9 -115 +135
Contract jobs citing Postfix 29 18 148
As % of all contract IT jobs advertised in England 0.031% 0.020% 0.15%
As % of the System Software category 0.20% 0.16% 1.23%
Number of daily rates quoted 21 2 48
England median daily rate £550 £433 £400
Median daily rate % change year-on-year +27.17% +8.13% +10.73%
10th Percentile £389 £387 £280
90th Percentile £613 £472 £605
UK median daily rate £431 £433 £400
% change year-on-year -0.29% +8.13% +10.34%
Number of hourly rates quoted 2 4 0
England median hourly rate £19.50 £13.95 -
Median hourly rate % change year-on-year +39.76% - -
UK median hourly rate £24.00 £13.95 -
% change year-on-year +72.01% - -

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 England with a requirement for system software skills.

All System Software Skills
England
Contract vacancies with a requirement for system software skills 14,390 11,447 12,048
As % of all contract IT jobs advertised in England 15.22% 12.42% 12.34%
Number of daily rates quoted 9,457 7,446 7,651
England median daily rate £450 £425 £413
Median daily rate % change year-on-year +5.88% +3.03% +13.01%
10th Percentile £185 £163 £180
90th Percentile £625 £600 £575
UK median daily rate £450 £425 £400
% change year-on-year +5.88% +6.25% +11.11%
Number of hourly rates quoted 817 628 809
England median hourly rate £16.00 £16.81 £15.50
Median hourly rate % change year-on-year -4.79% +8.42% -3.13%
10th Percentile £10.58 £10.40 £10.50
90th Percentile £43.75 £47.50 £37.30
UK median hourly rate £16.00 £16.70 £16.00
% change year-on-year -4.19% +4.38% -

Postfix
Job Vacancy Trend in England

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

Job vacancy trend for Postfix in England

Postfix
Contractor Daily Rate Trend in England

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

Contractor daily rate trend for Postfix in England

Postfix
Contractor Daily Rate Histogram in England

The daily rate distribution of IT jobs citing Postfix in England over the 6 months to 23 October 2018.

Contractor daily rate histogram for Postfix in England

Postfix
Contractor Hourly Rate Trend in England

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

Contractor hourly rate trend for Postfix in England

Postfix
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Postfix within the England region over the 6 months to 23 October 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
London -1 14 £575 +32.95% 2
South East - 10 £400 - 6
East of England - 3 £350 -
Midlands -17 2 - -
West Midlands -28 2 - -
Postfix
UK

For the 6 months to 23 October 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 across the England region with a requirement for Postfix.

1 27 (93.10%) Linux
2 25 (86.21%) Apache
3 22 (75.86%) DNS
4 18 (62.07%) Bash Shell
5 16 (55.17%) Puppet
5 16 (55.17%) Squid
6 15 (51.72%) PostgreSQL
7 14 (48.28%) CentOS
8 13 (44.83%) Tomcat
8 13 (44.83%) Amazon AWS
9 12 (41.38%) DevOps
10 11 (37.93%) Ansible
10 11 (37.93%) Liquibase
10 11 (37.93%) Confluence
10 11 (37.93%) Java
10 11 (37.93%) JIRA
10 11 (37.93%) Load Balancing
11 10 (34.48%) SSH
11 10 (34.48%) VMware
11 10 (34.48%) Red Hat
11 10 (34.48%) OpenVPN
11 10 (34.48%) Jenkins
11 10 (34.48%) Terraform
12 9 (31.03%) Sonatype
12 9 (31.03%) Sonatype Nexus
12 9 (31.03%) Elastic Stack
12 9 (31.03%) Docker
12 9 (31.03%) logstash
12 9 (31.03%) Kibana
12 9 (31.03%) Kubernetes

Postfix
Co-occurring IT Skills in England 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 25 (86.21%) Apache
2 13 (44.83%) Tomcat
3 11 (37.93%) Confluence
4 9 (31.03%) Elasticsearch
5 7 (24.14%) nginx
6 5 (17.24%) lighttpd
7 4 (13.79%) IIS
7 4 (13.79%) SharePoint
8 1 (3.45%) JBoss
Applications
1 1 (3.45%) HipChat
Cloud Services
1 13 (44.83%) Amazon AWS
2 8 (27.59%) Amazon CloudWatch
2 8 (27.59%) Amazon EC2
2 8 (27.59%) Amazon ELB
2 8 (27.59%) Amazon S3
2 8 (27.59%) Virtual Private Cloud
3 5 (17.24%) Microsoft Azure
Communications & Networking
1 22 (75.86%) DNS
2 10 (34.48%) OpenVPN
2 10 (34.48%) SSH
3 9 (31.03%) OpenLDAP
4 8 (27.59%) HTTP
5 7 (24.14%) Firewall
6 5 (17.24%) DKIM
6 5 (17.24%) DMARC
7 4 (13.79%) BIG-IP
8 3 (10.34%) Network Security
8 3 (10.34%) VPN
9 2 (6.90%) FTP
9 2 (6.90%) Internet
9 2 (6.90%) Kerberos
9 2 (6.90%) LAN
9 2 (6.90%) SMTP
9 2 (6.90%) SSL
9 2 (6.90%) VoIP
9 2 (6.90%) WAN
9 2 (6.90%) Wi-Fi
Database & Business Intelligence
1 15 (51.72%) PostgreSQL
2 8 (27.59%) Amazon RDS
3 4 (13.79%) SQL Server
Development Applications
1 11 (37.93%) JIRA
1 11 (37.93%) Liquibase
2 10 (34.48%) Jenkins
3 9 (31.03%) Ant
3 9 (31.03%) Git (software)
3 9 (31.03%) JUnit
3 9 (31.03%) Maven
3 9 (31.03%) SonarQube
3 9 (31.03%) Sonatype Nexus
4 8 (27.59%) Bitbucket
5 2 (6.90%) Subversion
6 1 (3.45%) Arsenale Dataplane
6 1 (3.45%) Artifactory
6 1 (3.45%) Gerrit
6 1 (3.45%) JIRA Agile
6 1 (3.45%) Metasploit
General
1 4 (13.79%) Telecoms
2 2 (6.90%) Electronics
2 2 (6.90%) Finance
2 2 (6.90%) Manufacturing
2 2 (6.90%) Marketing
2 2 (6.90%) Retail
Job Titles
1 11 (37.93%) Administrator
1 11 (37.93%) Linux Administrator
2 10 (34.48%) DevOps Engineer
3 9 (31.03%) AWS DevOps
3 9 (31.03%) AWS DevOps Engineer
3 9 (31.03%) AWS Engineer
4 8 (27.59%) Linux Systems Administrator
4 8 (27.59%) Systems Administrator
5 6 (20.69%) Unix Administrator
5 6 (20.69%) Unix Linux Systems Administrator
5 6 (20.69%) Unix Systems Administrator
6 5 (17.24%) Linux Engineer
7 4 (13.79%) Systems Engineer
8 3 (10.34%) Ubuntu Administrator
9 2 (6.90%) Developer
9 2 (6.90%) Network Engineer
9 2 (6.90%) Software Developer
10 1 (3.45%) Senior Developer
10 1 (3.45%) Senior Linux Administrator
10 1 (3.45%) Senior Linux Engineer
Libraries, Frameworks & Software Standards
1 9 (31.03%) Elastic Stack
1 9 (31.03%) MCollective
2 8 (27.59%) LDAP
2 8 (27.59%) REST
3 5 (17.24%) LAPP Stack
4 2 (6.90%) ActiveMQ
4 2 (6.90%) Apache Camel
4 2 (6.90%) Apache CXF
4 2 (6.90%) RESTful
4 2 (6.90%) SOAP
4 2 (6.90%) Spring
4 2 (6.90%) Spring Boot
4 2 (6.90%) Web Services
4 2 (6.90%) XSD
4 2 (6.90%) XSLT
5 1 (3.45%) LAMP
Miscellaneous
1 8 (27.59%) Linux Command Line
2 3 (10.34%) Public Cloud
3 2 (6.90%) NHS
3 2 (6.90%) PKI
4 1 (3.45%) Clustering
Operating Systems
1 27 (93.10%) Linux
2 14 (48.28%) CentOS
3 9 (31.03%) Ubuntu
3 9 (31.03%) Unix
4 6 (20.69%) Debian
4 6 (20.69%) Red Hat Enterprise Linux
5 5 (17.24%) FreeBSD
5 5 (17.24%) Windows
6 1 (3.45%) RancherOS
6 1 (3.45%) Windows Server
Processes & Methodologies
1 12 (41.38%) DevOps
2 11 (37.93%) Load Balancing
3 9 (31.03%) Continuous Delivery
3 9 (31.03%) Continuous Integration
3 9 (31.03%) Service Management
4 8 (27.59%) Digital Transformation Programme
5 5 (17.24%) Disaster Recovery
6 3 (10.34%) Agile Software Development
6 3 (10.34%) Configuration Management
6 3 (10.34%) Scrum
7 2 (6.90%) Business Intelligence
7 2 (6.90%) Continuous Deployment
7 2 (6.90%) Digital Marketing
7 2 (6.90%) High Availability
7 2 (6.90%) Integration Testing
7 2 (6.90%) Kanban
7 2 (6.90%) Performance Optimisation
7 2 (6.90%) Programme Management
7 2 (6.90%) TDD
7 2 (6.90%) Test Automation
Programming Languages
1 18 (62.07%) Bash Shell
2 11 (37.93%) Java
3 8 (27.59%) Groovy
4 6 (20.69%) Perl
4 6 (20.69%) Python
5 4 (13.79%) PowerShell
5 4 (13.79%) SQL
6 1 (3.45%) Shell Script
Qualifications
1 5 (17.24%) SC Cleared
1 5 (17.24%) Security Cleared
Quality Assurance & Compliance
1 1 (3.45%) GPG13
System Software
1 16 (55.17%) Squid
2 9 (31.03%) Docker
2 9 (31.03%) vCloud
2 9 (31.03%) Virtual Machines
3 5 (17.24%) Active Directory
3 5 (17.24%) Varnish
4 4 (13.79%) Dovecot
5 3 (10.34%) iptables
6 2 (6.90%) Samba
7 1 (3.45%) VMware Infrastructure
7 1 (3.45%) vSphere
Systems Management
1 16 (55.17%) Puppet
2 11 (37.93%) Ansible
3 10 (34.48%) Terraform
4 9 (31.03%) Docker Swarm
4 9 (31.03%) Kibana
4 9 (31.03%) Kubernetes
4 9 (31.03%) logstash
4 9 (31.03%) Rancher
4 9 (31.03%) ZABBIX
5 8 (27.59%) Rsyslog
5 8 (27.59%) Sysdig
6 5 (17.24%) Cacti
6 5 (17.24%) HAProxy
6 5 (17.24%) Nagios
7 3 (10.34%) Red Hat Satellite
8 2 (6.90%) Forum Sentry
9 1 (3.45%) Cisco UCCX
9 1 (3.45%) Nessus
9 1 (3.45%) Nmap
9 1 (3.45%) Opscode Chef
Vendors
1 10 (34.48%) Red Hat
1 10 (34.48%) VMware
2 9 (31.03%) Sonatype
3 8 (27.59%) Juniper
4 6 (20.69%) Cisco
5 4 (13.79%) F5
6 3 (10.34%) Clearswift
6 3 (10.34%) Symantec
7 2 (6.90%) SAP
8 1 (3.45%) HP
8 1 (3.45%) Microsoft
8 1 (3.45%) NEC