Period
to 13 November 2019

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 13 November 2019 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
13 Nov 2019
Same period 2018 Same period 2017
Rank 756 863 867
Rank change year-on-year +107 +4 -109
Contract jobs citing Postfix 50 35 21
As % of all contract IT jobs advertised in the UK 0.059% 0.034% 0.021%
As % of the System Software category 0.38% 0.22% 0.16%
Number of daily rates quoted 29 27 3
UK median daily rate £475 £413 £415
Median daily rate % change year-on-year +15.15% -0.60% -3.49%
10th Percentile £450 £345 £362
90th Percentile £519 £598 £470
UK excluding London median daily rate £475 £400 £363
% change year-on-year +18.75% +10.34% +20.83%
Number of hourly rates quoted 0 2 4
UK median hourly rate - £28.25 £13.95
Median hourly rate % change year-on-year - +102.47% -
UK excluding London median hourly rate - £28.25 £13.95
% change year-on-year - +102.47% -

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 13,113 15,702 12,793
As % of all contract IT jobs advertised in the UK 15.53% 15.14% 12.52%
Number of daily rates quoted 8,613 10,249 8,293
UK median daily rate £450 £450 £425
Median daily rate % change year-on-year - +5.88% +6.25%
10th Percentile £163 £181 £156
90th Percentile £638 £625 £600
UK excluding London median daily rate £413 £400 £375
% change year-on-year +3.13% +6.67% +7.14%
Number of hourly rates quoted 702 890 714
UK median hourly rate £17.00 £16.00 £16.81
Median hourly rate % change year-on-year +6.25% -4.79% +7.55%
10th Percentile £11.17 £10.50 £10.40
90th Percentile £47.24 £43.75 £46.18
UK excluding London median hourly rate £16.00 £15.86 £15.50
% change year-on-year +0.88% +2.32% +3.33%

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 13 November 2019.

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
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 13 November 2019. 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 +118 50 £475 -13.64% 4
UK excluding London +84 42 £475 +18.75% 4
Midlands +76 33 £475 - 1
West Midlands +67 33 £475 - 1
London +88 8 £513 -10.87% 1
South West - 5 - -
South East +29 4 £350 -12.50% 1

For the 6 months to 13 November 2019, 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 42 (84.00%) AWS
1 42 (84.00%) Jenkins
2 41 (82.00%) Git (software)
3 40 (80.00%) Scrum
3 40 (80.00%) Agile Software Development
4 37 (74.00%) Maven
4 37 (74.00%) Java
4 37 (74.00%) Amazon RDS
5 36 (72.00%) DbUnit
5 36 (72.00%) Amazon SQS
5 36 (72.00%) PowerMock
5 36 (72.00%) jMock
5 36 (72.00%) Continuous Integration
5 36 (72.00%) RESTful
5 36 (72.00%) Amazon EC2
5 36 (72.00%) Mockito
5 36 (72.00%) BDD
5 36 (72.00%) JUnit
5 36 (72.00%) SOAP
5 36 (72.00%) Web Services
5 36 (72.00%) Spring
5 36 (72.00%) TDD
5 36 (72.00%) ActiveMQ
5 36 (72.00%) SonarQube
6 32 (64.00%) Kanban
6 32 (64.00%) Microservices
7 31 (62.00%) Security Cleared
7 31 (62.00%) Open Source
7 31 (62.00%) PostgreSQL
8 29 (58.00%) SC Cleared

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 7 (14.00%) Apache
2 5 (10.00%) nginx
3 1 (2.00%) MS Exchange
3 1 (2.00%) OpenStack
Business Applications
1 5 (10.00%) Sparx Enterprise Architect
Cloud Services
1 42 (84.00%) AWS
2 36 (72.00%) Amazon EC2
2 36 (72.00%) Amazon SQS
3 4 (8.00%) AWS CloudFormation
3 4 (8.00%) IaaS
3 4 (8.00%) PaaS
3 4 (8.00%) SaaS
4 1 (2.00%) Azure
Communications & Networking
1 7 (14.00%) DNS
2 6 (12.00%) iSCSI
3 5 (10.00%) Asterisk PBX
4 3 (6.00%) Firewall
5 1 (2.00%) BGP
5 1 (2.00%) BIG-IP
5 1 (2.00%) DHCP
5 1 (2.00%) F5 BIG-IP LTM
5 1 (2.00%) HTTP
5 1 (2.00%) Intrusion Detection
5 1 (2.00%) MPLS
5 1 (2.00%) NAS
5 1 (2.00%) Network Security
5 1 (2.00%) OpenLDAP
5 1 (2.00%) SMTP
5 1 (2.00%) SNMP
5 1 (2.00%) SSH
5 1 (2.00%) SSL
5 1 (2.00%) VLAN
5 1 (2.00%) VXLAN
Database & Business Intelligence
1 37 (74.00%) Amazon RDS
2 31 (62.00%) PostgreSQL
3 7 (14.00%) MongoDB
4 6 (12.00%) MySQL
5 4 (8.00%) SQL Server
6 1 (2.00%) Amazon QuickSight
6 1 (2.00%) Amazon Redshift
6 1 (2.00%) Apache Cassandra
6 1 (2.00%) Data Lake
6 1 (2.00%) Data Warehouse
6 1 (2.00%) DB2
6 1 (2.00%) MariaDB
6 1 (2.00%) NoSQL
Development Applications
1 42 (84.00%) Jenkins
2 41 (82.00%) Git (software)
3 37 (74.00%) Maven
4 36 (72.00%) DbUnit
4 36 (72.00%) jMock
4 36 (72.00%) JUnit
4 36 (72.00%) Mockito
4 36 (72.00%) SonarQube
5 5 (10.00%) GitLab
5 5 (10.00%) Sonatype Nexus
6 1 (2.00%) Eclipse
6 1 (2.00%) JIRA
General
1 15 (30.00%) Public Sector
2 9 (18.00%) Retail
3 5 (10.00%) Finance
4 1 (2.00%) Telecoms
Job Titles
1 36 (72.00%) Developer
1 36 (72.00%) Java Developer
2 20 (40.00%) SC Cleared Java Developer
3 7 (14.00%) Architect
4 4 (8.00%) Cloud Architect
5 3 (6.00%) Network Engineer
6 2 (4.00%) Administrator
6 2 (4.00%) Linux Administrator
6 2 (4.00%) Network Architect
7 1 (2.00%) Analyst
7 1 (2.00%) DevOps Administrator
7 1 (2.00%) DevOps Engineer
7 1 (2.00%) Linux DevOps Administrator
7 1 (2.00%) Linux DevOps Engineer
7 1 (2.00%) Linux Engineer
7 1 (2.00%) Linux Systems Administrator
7 1 (2.00%) Linux/Unix DevOps
7 1 (2.00%) Network Design Architect
7 1 (2.00%) Systems Administrator
7 1 (2.00%) Test Analyst
Libraries, Frameworks & Software Standards
1 36 (72.00%) ActiveMQ
1 36 (72.00%) PowerMock
1 36 (72.00%) RESTful
1 36 (72.00%) SOAP
1 36 (72.00%) Spring
1 36 (72.00%) Web Services
2 27 (54.00%) Spring Cloud
3 24 (48.00%) AngularJS
3 24 (48.00%) Hibernate
3 24 (48.00%) JPA
4 15 (30.00%) REST
5 6 (12.00%) J2EE
5 6 (12.00%) Spring Boot
6 4 (8.00%) JSON
6 4 (8.00%) YAML
7 1 (2.00%) Kafka
7 1 (2.00%) LDAP
7 1 (2.00%) Node.js
Miscellaneous
1 9 (18.00%) NHS
2 6 (12.00%) Data Centre
3 5 (10.00%) Clustering
3 5 (10.00%) Driving Licence
3 5 (10.00%) N-Tier
3 5 (10.00%) Replication
4 4 (8.00%) Cloud Native
5 1 (2.00%) Analytical Skills
5 1 (2.00%) Private Cloud
Operating Systems
1 8 (16.00%) Linux
2 5 (10.00%) Red Hat Enterprise Linux
3 2 (4.00%) Ubuntu
4 1 (2.00%) Unix
Processes & Methodologies
1 40 (80.00%) Agile Software Development
1 40 (80.00%) Scrum
2 36 (72.00%) BDD
2 36 (72.00%) Continuous Integration
2 36 (72.00%) TDD
3 32 (64.00%) Kanban
3 32 (64.00%) Microservices
4 31 (62.00%) Open Source
5 24 (48.00%) BPMN
6 20 (40.00%) Migration
7 7 (14.00%) Biometrics
8 6 (12.00%) Load Balancing
9 5 (10.00%) Capacity Management
9 5 (10.00%) Functional Testing
9 5 (10.00%) Network Design
9 5 (10.00%) Product Roadmap
9 5 (10.00%) Service Design
9 5 (10.00%) Technical Debt
9 5 (10.00%) TOGAF
9 5 (10.00%) UML
Programming Languages
1 37 (74.00%) Java
2 16 (32.00%) SQL
3 3 (6.00%) Python
4 2 (4.00%) Bash Shell
5 1 (2.00%) PHP
5 1 (2.00%) PowerShell
Qualifications
1 31 (62.00%) Security Cleared
2 29 (58.00%) SC Cleared
Quality Assurance & Compliance
1 1 (2.00%) QA
System Software
1 5 (10.00%) Corosync
1 5 (10.00%) DRBD
1 5 (10.00%) FreeRADIUS
2 3 (6.00%) Sendmail
3 1 (2.00%) Active Directory
3 1 (2.00%) BIND 9
3 1 (2.00%) Docker
3 1 (2.00%) KVM
3 1 (2.00%) NFS
3 1 (2.00%) vSphere
Systems Management
1 8 (16.00%) Ansible
2 6 (12.00%) HAProxy
2 6 (12.00%) yum
3 5 (10.00%) Opscode Chef
3 5 (10.00%) Pacemaker
4 1 (2.00%) Kubernetes
4 1 (2.00%) Nagios
Vendors
1 6 (12.00%) Red Hat
2 5 (10.00%) Sparx
3 1 (2.00%) Cisco
3 1 (2.00%) Dell
3 1 (2.00%) EMC
3 1 (2.00%) F5
3 1 (2.00%) Microsoft
3 1 (2.00%) Mirantis
3 1 (2.00%) Tableau
3 1 (2.00%) Talend