Hey, The following are some courses that you can opt for after completing your B.Arch course apart from Masters in Architecture :

Master of Urban Design (M. Des)
Master in Project Management
M. Planning
M. Arch in Landscape Design
M. Design in Interior Architecture
Master in Graphic Design
Master of Building Engineering and Management
M. Design in Industrial Design

Would suggest you go for MEM, a Master's in Engineering Management. Master of Engineering Management is one of the best courses to choose from that offers in-depth learning in an Engineering Management Mem. An MS Degree in Engineering Management Mem from the International University of applied sciences has consistently made its place among the top global universities. International students prefer this course at the International University of applied sciences due to its high graduate employability rate.

TOP UNIVERSITIES FOR MEM ABROAD -

1. Massachusetts Institute of Technology (MIT), USA

2. STANFORD UNIVERSITY, USA

3. CAMBRIDGE UNIVERSITY, UK

4. UNIVERSITY OF OXFORD, UK

5. IMPERIAL COLLEGE LONDON, UK

6. ETH Zurich

JOB OPPORTUNITIES -

Top companies hiring MEM graduates worldwide include IBM, Google, Bloomberg, Deloitte, Apple, Amazon, General Motors, and Goldman Sachs. Transition to senior management and leadership roles among MEM graduates is often quick because of their in-depth skills in engineering & management. You can become -

Research & Development

Engineering Management Consultancy

Engineering Manager

Production Engineer

Manufacturing Engineer

I hope this helps!