The table below looks at the prevalence of the term AS400 in contract job vacancies advertised in the City of London. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited AS400 over the 3 months to 30 March 2017 with a comparison to the same period over 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.

IBM AS/400
London / City of London
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 148 158 195
Rank change year-on-year +10 +37  
Contract jobs citing AS400 3 5 1
As % of all contract IT jobs advertised in the City of London 0.097% 0.15% 0.019%
As % of the Miscellaneous category 0.26% 0.41% 0.054%
Number of daily rates quoted 3 5 1
Median daily rate £575 £475 £400
Median daily rate % change year-on-year +21.05% +18.75%  
UK excluding London median daily rate £325 £288 £300
% change year-on-year +13.04% -4.16%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - £16.50

AS400 is in the generic IT skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for generic IT skills.

Generic IT Skills
City of London
Contract job vacancies with a requirement for generic IT skills 1140 1229 1869
As % of all contract IT job vacancies advertised in the City of London 36.75% 36.10% 36.38%
Number of daily rates quoted 868 980 1428
Median daily rate £525 £500 £453
Median daily rate % change year-on-year +5.00% +10.37%  
90% offered a daily rate of more than £308 £325 £288
10% offered a daily rate of more than £650 £675 £625
UK excluding London median daily rate £395 £375 £375
% change year-on-year +5.33% -  
Number of hourly rates quoted 8 27 35
Median hourly rate £19.00 £19.00 £17.87
Median hourly rate % change year-on-year - +6.35%  
90% offered a hourly rate of more than £13.79 £12.00 £12.65
10% offered a hourly rate of more than £28.35 £35.60 £27.37
UK excluding London median hourly rate £20.00 £25.50 £18.50
% change year-on-year -21.56% +37.83%  

AS400
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing AS400 as a proportion of all contract or permanent IT jobs with a match in the Miscellaneous category.

Job vacancy trend for AS400 in the City of London

AS400
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing AS400 in the City of London.

Contractor daily rate trend for AS400 in the City of London

AS400
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing AS400 in the City of London over the 3 months to 30 March 2017.

Contractor daily rate histogram for AS400 in the City of London

AS400
Contractor Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing AS400 in the City of London.

Contractor hourly rate trend for AS400 in the City of London

For the 6 months to 30 March 2017, IT contractor jobs citing AS400 also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region with a requirement for AS400.

1 3 (75.00%) iSeries
1 3 (75.00%) SQL Server
2 2 (50.00%) DB2
2 2 (50.00%) Atlassian Bamboo
2 2 (50.00%) Continuous Integration
2 2 (50.00%) AWS CloudFormation
2 2 (50.00%) Pacemaker
2 2 (50.00%) Rundeck
2 2 (50.00%) Terraform
2 2 (50.00%) LEMP Stack
2 2 (50.00%) TeamCity
2 2 (50.00%) nginx
2 2 (50.00%) Amazon AWS
2 2 (50.00%) vSphere
2 2 (50.00%) Puppet
2 2 (50.00%) vCloud
2 2 (50.00%) GitHub
2 2 (50.00%) Jenkins
2 2 (50.00%) Amazon RDS
2 2 (50.00%) Corosync
2 2 (50.00%) HAProxy
2 2 (50.00%) Ansible
2 2 (50.00%) Docker
2 2 (50.00%) DevOps
2 2 (50.00%) Java
2 2 (50.00%) MySQL
2 2 (50.00%) Oracle
2 2 (50.00%) Linux
2 2 (50.00%) Apache
2 2 (50.00%) Python

AS400
Co-occurring IT Skills in the City of London 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 2 (50.00%) Apache
1 2 (50.00%) nginx
2 1 (25.00%) MQSeries
Cloud Services
1 2 (50.00%) Amazon AWS
1 2 (50.00%) AWS CloudFormation
1 2 (50.00%) GitHub
Database & Business Intelligence
1 3 (75.00%) SQL Server
2 2 (50.00%) Amazon RDS
2 2 (50.00%) DB2
2 2 (50.00%) MySQL
Development Applications
1 2 (50.00%) Atlassian Bamboo
1 2 (50.00%) Jenkins
1 2 (50.00%) Subversion
1 2 (50.00%) TeamCity
Job Titles
1 2 (50.00%) DevOps Engineer
1 2 (50.00%) Senior DevOps
1 2 (50.00%) Senior DevOps Engineer
2 1 (25.00%) Analyst
2 1 (25.00%) AS400 Developer
2 1 (25.00%) Developer
2 1 (25.00%) Support Analyst
Libraries, Frameworks & Software Standards
1 2 (50.00%) LAMP
1 2 (50.00%) LEMP Stack
Miscellaneous
1 3 (75.00%) iSeries
2 2 (50.00%) Clustering
3 1 (25.00%) Analytical Skills
3 1 (25.00%) SWIFT
Operating Systems
1 2 (50.00%) Linux
Processes & Methodologies
1 2 (50.00%) Continuous Integration
1 2 (50.00%) DevOps
2 1 (25.00%) ITIL
2 1 (25.00%) Problem Management
2 1 (25.00%) Release Management
2 1 (25.00%) SDLC
Programming Languages
1 2 (50.00%) Java
1 2 (50.00%) Python
2 1 (25.00%) RPG
2 1 (25.00%) RPG IV
2 1 (25.00%) SQL
System Software
1 2 (50.00%) Corosync
1 2 (50.00%) Docker
1 2 (50.00%) vCloud
1 2 (50.00%) vSphere
Systems Management
1 2 (50.00%) Ansible
1 2 (50.00%) HAProxy
1 2 (50.00%) Pacemaker
1 2 (50.00%) Puppet
1 2 (50.00%) Rundeck
1 2 (50.00%) Terraform
Vendors
1 2 (50.00%) Microsoft
1 2 (50.00%) Oracle
1 2 (50.00%) VMware