Period
to 24 January 2022

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 January 2022 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 Jan 2022
Same period 2021 Same period 2020
Rank 815 601 697
Rank change year-on-year -214 +96 +180
Contract jobs citing Postfix 13 8 61
As % of all contract jobs advertised in the UK 0.015% 0.019% 0.084%
As % of the System Software category 0.11% 0.13% 0.54%
Number of daily rates quoted 11 5 40
10th Percentile £309 £236 £450
25th Percentile £480 £290 £461
Median daily rate (50th Percentile) £575 £300 £500
Median % change year-on-year +91.67% -40.00% +24.61%
75th Percentile £650 £438 £519
90th Percentile - £486 £564
UK excluding London median daily rate £650 £300 £481
% change year-on-year +116.67% -37.66% +20.31%

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 12,052 6,145 11,239
As % of all contract IT jobs advertised in the UK 13.86% 14.85% 15.55%
Number of daily rates quoted 8,611 4,198 7,579
10th Percentile £200 £213 £163
25th Percentile £400 £363 £313
Median daily rate (50th Percentile) £525 £475 £450
Median % change year-on-year +10.53% +5.56% -2.70%
75th Percentile £616 £563 £563
90th Percentile £688 £649 £638
UK excluding London median daily rate £427 £425 £413
% change year-on-year +0.47% +3.03% -1.79%
Number of hourly rates quoted 384 262 622
10th Percentile £12.25 £11.17 £11.25
25th Percentile £14.25 £12.76 £13.94
Median hourly rate £18.00 £17.88 £16.50
Median % change year-on-year +0.70% +8.33% +3.13%
75th Percentile £26.19 £46.00 £22.25
90th Percentile £61.75 £61.25 £47.01
UK excluding London median hourly rate £16.00 £16.00 £16.00
% change year-on-year - - +4.47%

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 24 January 2022.

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 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 24 January 2022. 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
Jobs
England -225 13 £575 +91.67% 5
UK excluding London -118 8 £650 +116.67% 1
South East - 7 £650 - 1
London -177 5 £480 +34.74% 4
Work from Home -145 2 £480 - 3
East of England -48 1 - -

For the 6 months to 24 January 2022, 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 10 (76.92%) Linux
2 9 (69.23%) Ansible
3 7 (53.85%) CentOS
4 6 (46.15%) Ubuntu
5 5 (38.46%) SC Cleared
5 5 (38.46%) Security Cleared
6 4 (30.77%) Azure
6 4 (30.77%) Open Source
7 3 (23.08%) DV Cleared
7 3 (23.08%) Apache
7 3 (23.08%) SOAP
7 3 (23.08%) Web Services
7 3 (23.08%) MySQL
7 3 (23.08%) REST
8 2 (15.38%) Redis
8 2 (15.38%) PowerMock
8 2 (15.38%) Percona
8 2 (15.38%) Jenkins
8 2 (15.38%) Amazon RDS
8 2 (15.38%) Microservices
8 2 (15.38%) SonarQube
8 2 (15.38%) DKIM
8 2 (15.38%) DMARC
8 2 (15.38%) Spring Cloud
8 2 (15.38%) Java 8
8 2 (15.38%) AWS KMS
8 2 (15.38%) Amazon SQS
8 2 (15.38%) Java 11
8 2 (15.38%) Red Hat
8 2 (15.38%) DNS

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 (23.08%) Apache
2 2 (15.38%) Apache Solr
2 2 (15.38%) Drupal
2 2 (15.38%) WordPress
Cloud Services
1 4 (30.77%) Azure
2 2 (15.38%) Amazon EC2
2 2 (15.38%) Amazon SQS
2 2 (15.38%) AWS
2 2 (15.38%) AWS KMS
3 1 (7.69%) Azure Active Directory
3 1 (7.69%) Microsoft 365
Communications & Networking
1 2 (15.38%) DKIM
1 2 (15.38%) DMARC
1 2 (15.38%) DNS
2 1 (7.69%) Firewall
2 1 (7.69%) IMAP
2 1 (7.69%) SMTP
2 1 (7.69%) VPN
Database & Business Intelligence
1 3 (23.08%) MySQL
2 2 (15.38%) Amazon RDS
2 2 (15.38%) PostgreSQL
2 2 (15.38%) Redis
3 1 (7.69%) Oracle Database
3 1 (7.69%) Relational Database
Development Applications
1 2 (15.38%) DbUnit
1 2 (15.38%) Git (software)
1 2 (15.38%) Jenkins
1 2 (15.38%) jMock
1 2 (15.38%) JUnit
1 2 (15.38%) Maven
1 2 (15.38%) Mockito
1 2 (15.38%) SonarQube
2 1 (7.69%) Subversion
General
1 1 (7.69%) Social Skills
Job Titles
1 6 (46.15%) Linux Engineer
2 3 (23.08%) Administrator
2 3 (23.08%) Linux Administrator
2 3 (23.08%) Linux Systems Administrator
2 3 (23.08%) Systems Administrator
3 2 (15.38%) Azure Administrator
3 2 (15.38%) Developer
3 2 (15.38%) Java Developer
4 1 (7.69%) Integration Engineer
4 1 (7.69%) SC Cleared Java Developer
4 1 (7.69%) Support Engineer
4 1 (7.69%) Technical Engineer
4 1 (7.69%) Technical Support
4 1 (7.69%) Technical Support Engineer
Libraries, Frameworks & Software Standards
1 3 (23.08%) REST
1 3 (23.08%) SOAP
1 3 (23.08%) Web Services
2 2 (15.38%) ActiveMQ
2 2 (15.38%) Hibernate
2 2 (15.38%) JPA
2 2 (15.38%) LAMP
2 2 (15.38%) PowerMock
2 2 (15.38%) RESTful
2 2 (15.38%) Spring
2 2 (15.38%) Spring Cloud
3 1 (7.69%) JDBC
3 1 (7.69%) LDAP
3 1 (7.69%) ODBC
3 1 (7.69%) SAML
Operating Systems
1 10 (76.92%) Linux
2 7 (53.85%) CentOS
3 6 (46.15%) Ubuntu
4 2 (15.38%) Red Hat Enterprise Linux
4 2 (15.38%) Unix
5 1 (7.69%) OpenBSD
5 1 (7.69%) Windows
Processes & Methodologies
1 4 (30.77%) Open Source
2 2 (15.38%) Agile Software Development
2 2 (15.38%) BDD
2 2 (15.38%) BPMN
2 2 (15.38%) Continuous Integration
2 2 (15.38%) Microservices
2 2 (15.38%) Scrum
2 2 (15.38%) TDD
3 1 (7.69%) Backlog Management
3 1 (7.69%) Business Intelligence
3 1 (7.69%) Data Extraction
3 1 (7.69%) ETL
Programming Languages
1 2 (15.38%) Java
1 2 (15.38%) Java 11
1 2 (15.38%) Java 8
1 2 (15.38%) PHP
1 2 (15.38%) SQL
2 1 (7.69%) JavaScript
2 1 (7.69%) Perl
2 1 (7.69%) Python
Qualifications
1 5 (38.46%) SC Cleared
1 5 (38.46%) Security Cleared
2 3 (23.08%) DV Cleared
System Software
1 2 (15.38%) Shibboleth
2 1 (7.69%) Active Directory
2 1 (7.69%) Dovecot
Systems Management
1 9 (69.23%) Ansible
2 1 (7.69%) CA Single Sign-On
2 1 (7.69%) Single Sign-On
Vendors
1 2 (15.38%) Oracle
1 2 (15.38%) Percona
1 2 (15.38%) Red Hat
1 2 (15.38%) VMware
2 1 (7.69%) Microsoft
2 1 (7.69%) Okta