AS400 Jobs in the South East

IBM AS/400
England > South East

The table below looks at the prevalence of the term AS400 in permanent job vacancies in the South East. Included is a benchmarking guide to the salaries offered in vacancies that cited AS400 over the 6 months leading up to 25 August 2025, comparing them to the same period in the previous two years.

6 months to
25 Aug 2025
Same period 2024 Same period 2023
Rank 314 342 317
Rank change year-on-year +28 -25 +180
DemandTrendPermanent jobs citing AS400 12 9 19
As % of all permanent jobs advertised in the South East 0.11% 0.062% 0.18%
As % of the Miscellaneous category 0.27% 0.19% 0.49%
Number of salaries quoted 12 9 19
10th Percentile - - £45,000
25th Percentile £26,000 £42,500 £51,250
Median annual salary (50th Percentile) £57,500 £55,000 £57,500
Median % change year-on-year +4.55% -4.35% -8.00%
75th Percentile £91,250 - £58,750
90th Percentile - - -
England median annual salary £45,000 £53,500 £55,000
% change year-on-year -15.89% -2.73% +10.00%

All Generic Skills
South East

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 the South East.

DemandTrendPermanent vacancies with a requirement for generic IT skills 4,438 4,731 3,914
As % of all permanent jobs advertised in the South East 40.69% 32.67% 38.02%
Number of salaries quoted 2,166 2,600 2,471
10th Percentile £28,500 £28,000 £32,500
25th Percentile £36,250 £36,250 £41,250
Median annual salary (50th Percentile) £55,000 £50,000 £55,582
Median % change year-on-year +10.00% -10.04% +0.80%
75th Percentile £69,000 £66,250 £72,500
90th Percentile £78,750 £80,800 £85,000
England median annual salary £57,500 £57,500 £65,000
% change year-on-year - -11.54% +4.00%

AS400
Job Vacancy Trend in the South East

Job postings citing AS400 as a proportion of all IT jobs advertised in the South East.

Job vacancy trend for AS400 in the South East

AS400
Salary Trend in the South East

Salary distribution trend for jobs in the South East citing AS400.

Salary distribution trend for jobs in the South East citing AS400

AS400
Salary Histogram in the South East

Salary distribution for jobs citing AS400 in the South East over the 6 months to 25 August 2025.

Salary histogram for AS400 in the South East

AS400
Job Locations in the South East

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing AS400 within the South East region over the 6 months to 25 August 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
DemandTrendPermanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Jobs
Thames Valley - 8 £86,250 - 4
Kent +12 4 £27,000 -40.00%
Oxfordshire - 4 £87,500 -
Buckinghamshire - 3 £45,000 - 3
Berkshire - 1 £90,000 - 1
AS400
England

AS400
Co-occurring Skills and Capabilities in the South East 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 (33.33%) SharePoint
Applications
1 4 (33.33%) Microsoft Office
Cloud Services
1 5 (41.67%) Azure
2 4 (33.33%) Microsoft 365
2 4 (33.33%) Power Platform
3 1 (8.33%) AWS
Communications & Networking
1 4 (33.33%) VLAN
2 2 (16.67%) SSL
Database & Business Intelligence
1 4 (33.33%) Data Warehouse
General
1 5 (41.67%) Social Skills
2 4 (33.33%) Organisational Skills
2 4 (33.33%) Telecoms
3 3 (25.00%) Inclusion and Diversity
Job Titles
1 4 (33.33%) IT Support
1 4 (33.33%) IT Support Technician
1 4 (33.33%) IT Technician
1 4 (33.33%) Support Technician
2 2 (16.67%) AS400 Operator
2 2 (16.67%) Head of IT
2 2 (16.67%) Head of Technology
3 1 (8.33%) AS400 Support
3 1 (8.33%) Data Centre Manager
3 1 (8.33%) Data Centre Project Manager
3 1 (8.33%) Project Manager
3 1 (8.33%) Sales Representative
Libraries, Frameworks & Software Standards
1 2 (16.67%) Flash
Miscellaneous
1 5 (41.67%) iSeries
2 4 (33.33%) Mainframe
3 2 (16.67%) Enterprise Cloud
3 2 (16.67%) IBM Storwize
4 1 (8.33%) Data Centre
4 1 (8.33%) Hybrid Cloud
Operating Systems
1 4 (33.33%) Windows
1 4 (33.33%) Windows 10
1 4 (33.33%) Windows Server
Processes & Methodologies
1 4 (33.33%) Cybersecurity
1 4 (33.33%) Decision-Making
1 4 (33.33%) IT Strategy
1 4 (33.33%) Mathematics
1 4 (33.33%) Problem-Solving
1 4 (33.33%) Service Delivery
2 3 (25.00%) Continuous Improvement
2 3 (25.00%) Planning and Forecasting
2 3 (25.00%) Roadmaps
2 3 (25.00%) Service Management
2 3 (25.00%) Strategic Planning
2 3 (25.00%) Technology Roadmap
2 3 (25.00%) Technology Strategy
2 3 (25.00%) Technology Transformation
3 2 (16.67%) Key Management
3 2 (16.67%) Performance Management
3 2 (16.67%) Proactive Management
4 1 (8.33%) Enterprise Architecture
4 1 (8.33%) Project Delivery
4 1 (8.33%) Stakeholder Management
Programming Languages
1 4 (33.33%) RPG
2 2 (16.67%) SQL
System Software
1 4 (33.33%) Active Directory
2 2 (16.67%) Virtual Machines
Systems Management
1 2 (16.67%) ZABBIX
Vendors
1 8 (66.67%) Microsoft
2 3 (25.00%) IBM