AS400 Jobs in England

IBM AS/400
UK > England

The table below looks at the prevalence of the term AS400 in permanent job vacancies in England. Included is a benchmarking guide to the salaries offered in vacancies that cited AS400 over the 6 months leading up to 2 July 2025, comparing them to the same period in the previous two years.

6 months to
2 Jul 2025
Same period 2024 Same period 2023
Rank 672 767 802
Rank change year-on-year +95 +35 +294
Permanent jobs citing AS400 28 83 75
As % of all permanent jobs advertised in England 0.055% 0.088% 0.095%
As % of the Miscellaneous category 0.15% 0.27% 0.22%
Number of salaries quoted 17 82 59
10th Percentile £29,150 £30,000 £40,000
25th Percentile £53,750 £42,500 £48,500
Median annual salary (50th Percentile) £70,000 £55,000 £55,000
Median % change year-on-year +27.27% - +4.76%
75th Percentile £87,500 - £58,750
90th Percentile £91,250 £64,750 £63,750
UK median annual salary £63,750 £53,500 £55,000
% change year-on-year +19.16% -2.73% -4.35%

All Generic Skills
England

AS400 falls under the General and Transferable Skills category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring generic IT skills in England.

Permanent vacancies with a requirement for generic IT skills 19,149 31,162 34,388
As % of all permanent jobs advertised in England 37.46% 33.10% 43.48%
Number of salaries quoted 9,104 20,799 19,649
10th Percentile £29,825 £28,250 £35,750
25th Percentile £40,000 £38,750 £46,570
Median annual salary (50th Percentile) £60,000 £55,000 £65,000
Median % change year-on-year +9.09% -15.38% +4.00%
75th Percentile £80,000 £76,375 £86,250
90th Percentile £110,000 £100,000 £110,000
UK median annual salary £59,800 £55,000 £64,029
% change year-on-year +8.73% -14.10% +2.45%

AS400
Job Vacancy Trend in England

Job postings citing AS400 as a proportion of all IT jobs advertised in England.

Job vacancy trend for AS400 in England

AS400
Salary Trend in England

3-month moving average salary quoted in jobs citing AS400 in England.

Salary trend for AS400 in England

AS400
Salary Histogram in England

Salary distribution for jobs citing AS400 in England over the 6 months to 2 July 2025.

Salary histogram for AS400 in England

AS400
Job Locations in England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing AS400 within the England region over the 6 months to 2 July 2025. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Jobs
Midlands +67 11 £32,500 -27.78% 12
South East +90 10 £85,000 +54.55% 6
East Midlands - 9 - - 5
East of England +32 4 £57,500 +91.67% 8
London +91 3 £85,000 +30.77% 21
West Midlands +55 2 £32,500 -27.78% 7
AS400
UK

AS400
Co-occurring Skills and Capabilities in England by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 4 (14.29%) SharePoint
Applications
1 2 (7.14%) Microsoft Office
Cloud Services
1 7 (25.00%) Azure
2 5 (17.86%) Microsoft 365
3 4 (14.29%) Power Platform
4 3 (10.71%) Azure API Management
4 3 (10.71%) Azure Data Factory
4 3 (10.71%) Azure DevOps
4 3 (10.71%) Azure Synapse Analytics
5 1 (3.57%) Nutanix
Communications & Networking
1 2 (7.14%) FTP
1 2 (7.14%) VLAN
2 1 (3.57%) DNS
2 1 (3.57%) Firewall
Database & Business Intelligence
1 4 (14.29%) Data Warehouse
2 3 (10.71%) Azure SQL Database
2 3 (10.71%) Elasticsearch
3 2 (7.14%) DB2
4 1 (3.57%) SQL Server
General
1 7 (25.00%) Social Skills
2 3 (10.71%) Inclusion and Diversity
3 2 (7.14%) Analytical Skills
3 2 (7.14%) Finance
3 2 (7.14%) Organisational Skills
3 2 (7.14%) Telecoms
4 1 (3.57%) Banking
Job Titles
1 9 (32.14%) AS400 Programmer
1 9 (32.14%) Programmer
1 9 (32.14%) RPG Programmer
2 4 (14.29%) AS400 Developer
2 4 (14.29%) Developer
3 3 (10.71%) Development Manager
3 3 (10.71%) Engineering Manager
3 3 (10.71%) IT Support
3 3 (10.71%) Software Development Manager
3 3 (10.71%) Software Engineering Manager
3 3 (10.71%) Software Manager
4 2 (7.14%) Analyst
4 2 (7.14%) Head of IT
4 2 (7.14%) Head of Technology
4 2 (7.14%) IT Support Technician
4 2 (7.14%) IT Technician
4 2 (7.14%) Lead
4 2 (7.14%) Lead Software Engineer
4 2 (7.14%) Support Technician
4 2 (7.14%) Test Analyst
Libraries, Frameworks & Software Standards
1 3 (10.71%) .NET
1 3 (10.71%) ASP.NET
Miscellaneous
1 20 (71.43%) iSeries
2 4 (14.29%) Mainframe
Operating Systems
1 3 (10.71%) Windows
1 3 (10.71%) Windows 10
1 3 (10.71%) Windows Server
Processes & Methodologies
1 5 (17.86%) Agile
1 5 (17.86%) Software Engineering
2 4 (14.29%) Decision-Making
2 4 (14.29%) Inventory Management
2 4 (14.29%) IT Strategy
2 4 (14.29%) Problem-Solving
2 4 (14.29%) Service Delivery
2 4 (14.29%) Service Management
2 4 (14.29%) Test Automation
3 3 (10.71%) API Management
3 3 (10.71%) CI/CD
3 3 (10.71%) Coaching
3 3 (10.71%) Continuous Improvement
3 3 (10.71%) Data Engineering
3 3 (10.71%) DevOps
3 3 (10.71%) Roadmaps
3 3 (10.71%) Scrum
3 3 (10.71%) Strategic Planning
3 3 (10.71%) Technology Strategy
3 3 (10.71%) Technology Transformation
Programming Languages
1 19 (67.86%) RPG
2 14 (50.00%) SQL
3 6 (21.43%) RPG IV
4 5 (17.86%) C#
Quality Assurance & Compliance
1 3 (10.71%) QA
System Software
1 3 (10.71%) Active Directory
2 1 (3.57%) VMware Infrastructure
Systems Management
1 1 (3.57%) FortiGate
Vendors
1 6 (21.43%) Microsoft
2 3 (10.71%) Atlassian
2 3 (10.71%) Databricks
2 3 (10.71%) IBM
3 1 (3.57%) Cisco
3 1 (3.57%) Citrix
3 1 (3.57%) Fortinet
3 1 (3.57%) VMware
3 1 (3.57%) Zscaler