Period
to 23 September 2021

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 23 September 2021 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
23 Sep 2021
Same period 2020 Same period 2019
Rank 783 506 812
Rank change year-on-year -277 +306 +62
Contract jobs citing Postfix 14 6 31
As % of all contract jobs advertised in the UK 0.017% 0.020% 0.035%
As % of the System Software category 0.13% 0.14% 0.23%
Number of daily rates quoted 11 5 16
10th Percentile £309 £378 £416
25th Percentile £344 £406 £456
Median daily rate (50th Percentile) £463 £425 £475
Median % change year-on-year +8.82% -10.53% -5.00%
75th Percentile £575 £500 "
90th Percentile £650 £511 £494
UK excluding London median daily rate £481 £413 £475
% change year-on-year +16.67% -13.16% +18.75%

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 11,196 4,375 13,698
As % of all contract IT jobs advertised in the UK 13.95% 14.73% 15.57%
Number of daily rates quoted 7,890 2,920 9,206
10th Percentile £213 £213 £171
25th Percentile £400 £369 £329
Median daily rate (50th Percentile) £500 £475 £463
Median % change year-on-year +5.26% +2.70% +2.78%
75th Percentile £600 £575 £575
90th Percentile £675 £638 £638
UK excluding London median daily rate £425 £450 £425
% change year-on-year -5.56% +5.88% +6.25%
Number of hourly rates quoted 358 167 634
10th Percentile £12.00 £11.17 £11.17
25th Percentile £13.50 £12.93 £13.50
Median hourly rate £17.50 £17.75 £16.74
Median % change year-on-year -1.41% +6.02% +4.64%
75th Percentile £39.58 £40.75 £25.00
90th Percentile £65.50 £53.75 £47.00
UK excluding London median hourly rate £16.23 £17.35 £16.00
% change year-on-year -6.43% +8.41% +3.23%

Postfix
Job Vacancy Trend

Job postings citing Postfix as a proportion of all IT jobs advertised.

Job vacancy trend for Postfix in the UK

Postfix
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing Postfix.

Daily rate trend for Postfix in the UK

Postfix
Daily Rate Histogram

Daily rate distribution for jobs citing Postfix over the 6 months to 23 September 2021.

Daily rate histogram for Postfix in the UK

Postfix
Contractor Hourly Rate Trend

3-month moving average hourly rates quoted in jobs citing Postfix.

Hourly rate trend for Postfix in the UK

Postfix
Top 9 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 23 September 2021. 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 -226 11 £481 +13.24% 5
UK excluding London -135 9 £481 +16.67% 1
South East - 5 £575 - 1
Work from Home - 4 £413 -
London -208 3 £434 -14.25% 4
East of England -49 2 £394 -4.55%
North of England - 1 £413 -
North East - 1 £413 -
Scotland - 1 - -

For the 6 months to 23 September 2021, 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 9 (64.29%) Linux
1 9 (64.29%) Ansible
2 6 (42.86%) Azure
3 4 (28.57%) CentOS
3 4 (28.57%) Red Hat Enterprise Linux
3 4 (28.57%) Web Services
3 4 (28.57%) DNS
3 4 (28.57%) Red Hat
4 3 (21.43%) PostgreSQL
4 3 (21.43%) Scrum
4 3 (21.43%) Agile Software Development
4 3 (21.43%) TDD
4 3 (21.43%) Apache
4 3 (21.43%) Python
4 3 (21.43%) Java
4 3 (21.43%) JavaScript
4 3 (21.43%) MySQL
4 3 (21.43%) Git (software)
4 3 (21.43%) Amazon EC2
4 3 (21.43%) Spring
4 3 (21.43%) Ubuntu
4 3 (21.43%) Continuous Integration
4 3 (21.43%) Kanban
4 3 (21.43%) BPMN
4 3 (21.43%) AWS
4 3 (21.43%) BDD
4 3 (21.43%) Relational Database
4 3 (21.43%) REST
4 3 (21.43%) AngularJS
4 3 (21.43%) Jenkins

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 3 (21.43%) Apache
2 2 (14.29%) Apache Solr
2 2 (14.29%) Drupal
2 2 (14.29%) OpenStack
2 2 (14.29%) WordPress
3 1 (7.14%) MS Exchange
Applications
1 1 (7.14%) Microsoft Office
1 1 (7.14%) Microsoft Project
1 1 (7.14%) MS Visio
Cloud Services
1 6 (42.86%) Azure
2 3 (21.43%) Amazon EC2
2 3 (21.43%) AWS
3 2 (14.29%) Amazon ECS
3 2 (14.29%) Amazon EKS
3 2 (14.29%) Serverless
4 1 (7.14%) Azure Active Directory
4 1 (7.14%) Microsoft 365
Communications & Networking
1 4 (28.57%) DNS
2 3 (21.43%) DKIM
2 3 (21.43%) DMARC
3 1 (7.14%) DHCP
3 1 (7.14%) IMAP
3 1 (7.14%) LAN
3 1 (7.14%) NAS
3 1 (7.14%) SAN
3 1 (7.14%) SMTP
3 1 (7.14%) SSL
3 1 (7.14%) TCP/IP
3 1 (7.14%) WAN
Database & Business Intelligence
1 3 (21.43%) MySQL
1 3 (21.43%) PostgreSQL
1 3 (21.43%) Relational Database
2 2 (14.29%) Redis
Development Applications
1 3 (21.43%) Git (software)
1 3 (21.43%) Jenkins
2 1 (7.14%) DbUnit
2 1 (7.14%) jMock
2 1 (7.14%) JUnit
2 1 (7.14%) Maven
2 1 (7.14%) Mockito
2 1 (7.14%) SonarQube
General
1 2 (14.29%) Retail
1 2 (14.29%) Social Skills
2 1 (7.14%) Documentation Skills
2 1 (7.14%) Finance
Job Titles
1 4 (28.57%) Linux Engineer
2 3 (21.43%) Developer
2 3 (21.43%) Java Developer
3 2 (14.29%) Administrator
3 2 (14.29%) Azure Administrator
3 2 (14.29%) Full Stack Developer
3 2 (14.29%) Linux Administrator
3 2 (14.29%) Linux Systems Administrator
3 2 (14.29%) Systems Administrator
4 1 (7.14%) Incident Manager
4 1 (7.14%) ITIL Incident Manager
4 1 (7.14%) ITIL Manager
4 1 (7.14%) ITIL Service Manager
4 1 (7.14%) Junior
4 1 (7.14%) Messaging Engineer
4 1 (7.14%) Platform Engineer
4 1 (7.14%) SC Cleared Java Developer
4 1 (7.14%) Service Manager
4 1 (7.14%) Support Engineer
4 1 (7.14%) Technical Support
Libraries, Frameworks & Software Standards
1 4 (28.57%) Web Services
2 3 (21.43%) AngularJS
2 3 (21.43%) React
2 3 (21.43%) REST
2 3 (21.43%) Spring
2 3 (21.43%) Spring Cloud
3 2 (14.29%) Apache Camel
3 2 (14.29%) LAMP
3 2 (14.29%) LDAP
3 2 (14.29%) Node.js
3 2 (14.29%) SOAP
3 2 (14.29%) Spring Boot
4 1 (7.14%) ActiveMQ
4 1 (7.14%) Hibernate
4 1 (7.14%) J2EE
4 1 (7.14%) JDBC
4 1 (7.14%) ODBC
4 1 (7.14%) PowerMock
4 1 (7.14%) RESTful
4 1 (7.14%) SAML
Miscellaneous
1 2 (14.29%) Data Centre
1 2 (14.29%) NHS
2 1 (7.14%) Legacy Systems
2 1 (7.14%) Linux Command Line
Operating Systems
1 9 (64.29%) Linux
2 4 (28.57%) CentOS
2 4 (28.57%) Red Hat Enterprise Linux
3 3 (21.43%) Ubuntu
4 1 (7.14%) Oracle Linux
4 1 (7.14%) Unix
4 1 (7.14%) Windows
Processes & Methodologies
1 3 (21.43%) Agile Software Development
1 3 (21.43%) BDD
1 3 (21.43%) BPMN
1 3 (21.43%) Continuous Integration
1 3 (21.43%) DevOps
1 3 (21.43%) Kanban
1 3 (21.43%) Microservices
1 3 (21.43%) Scrum
1 3 (21.43%) TDD
2 2 (14.29%) Full Stack Development
2 2 (14.29%) ITIL
2 2 (14.29%) Migration
2 2 (14.29%) Open Source
2 2 (14.29%) Process Management
2 2 (14.29%) Workflow
3 1 (7.14%) Capacity Planning
3 1 (7.14%) Data Extraction
3 1 (7.14%) ITIL V3
3 1 (7.14%) Root Cause Analysis
3 1 (7.14%) Stakeholder Engagement
Programming Languages
1 3 (21.43%) Java
1 3 (21.43%) JavaScript
1 3 (21.43%) Python
2 2 (14.29%) Bash Shell
2 2 (14.29%) Java 11
2 2 (14.29%) Java 8
2 2 (14.29%) Perl
2 2 (14.29%) PHP
3 1 (7.14%) Shell Script
Qualifications
1 1 (7.14%) SC Cleared
1 1 (7.14%) Security Cleared
Quality Assurance & Compliance
1 1 (7.14%) SLA
System Software
1 2 (14.29%) Docker
1 2 (14.29%) Shibboleth
2 1 (7.14%) Active Directory
2 1 (7.14%) Dovecot
2 1 (7.14%) KVM
2 1 (7.14%) NFS
2 1 (7.14%) OCFS2
2 1 (7.14%) qmail
2 1 (7.14%) Samba
2 1 (7.14%) Sendmail
Systems Management
1 9 (64.29%) Ansible
2 3 (21.43%) Kubernetes
3 2 (14.29%) Terraform
4 1 (7.14%) BMC PATROL
4 1 (7.14%) CA Single Sign-On
4 1 (7.14%) Grafana
4 1 (7.14%) OpenView
4 1 (7.14%) Opscode Chef
4 1 (7.14%) Prometheus
4 1 (7.14%) Puppet
4 1 (7.14%) Red Hat Satellite
4 1 (7.14%) Single Sign-On
4 1 (7.14%) Tivoli
Vendors
1 4 (28.57%) Red Hat
2 2 (14.29%) Microsoft
2 2 (14.29%) Oracle
2 2 (14.29%) Pega
2 2 (14.29%) Percona
2 2 (14.29%) VMware
2 2 (14.29%) WSO2
3 1 (7.14%) Apple
3 1 (7.14%) BMC
3 1 (7.14%) Google
3 1 (7.14%) HP
3 1 (7.14%) IBM
3 1 (7.14%) Okta
3 1 (7.14%) SolarWinds
3 1 (7.14%) Veritas
3 1 (7.14%) Yahoo!