Technical Lead – Solution Architecture - 10974648

ITProposal; Brussel Hoofdstad; On-site; EUR 166,000 - 277,000; Full time

Job summary

ITProposal in Brussels seeks an experienced Technical Lead to drive end-to-end architecture for complex IT initiatives. You will shape solutions balancing performance, security and resilience across enterprise systems.

The role blends hands-on engineering with architectural oversight across cloud and on‑premises platforms, including IBM Mainframe, Java/.NET, Azure, and API integration. You will translate business needs into scalable architectures and mentor delivery teams.

Qualifications

• 15+ years of IT experience with enterprise architectures.
• Proven Lead Solution Architect on large-scale transformation projects.
• Experience delivering transactional systems in complex environments.
• Strong knowledge of IBM Mainframe, Azure, APIs, and data technologies.

Responsibilities

• Lead end-to-end architecture design and delivery for complex initiatives.
• Collaborate with Requirement Owners, Domain Architects, IT engineers, and dev teams.
• Ensure architectures meet enterprise standards and roadmaps.
• Develop reusable architecture patterns and building blocks.
• Guide target architectures for large-scale transformations.
• Identify challenges and propose scalable solutions.

Skills

15+ years IT experience

Lead Solution Architect on large-scale

Enterprise systems design

IBM Mainframe

Java

.NET (Windows)

Azure Cloud

APIs

Data technologies

Architectural analysis

Requirements translation

Cross-system collaboration

Tools

IBM Mainframe

Java

.NET

Azure

Apache Kafka

Linux

Job description

Technical Lead – Solution Architecture

Location: Brussels, Belgium
Duration: 6 months
Start Date:ASAP
Experience: 10+ years

Role Overview

We are looking for an experienced Technical Lead to drive end-to-end architecture solutions for complex, cross-functional IT initiatives. The ideal candidate will combine strong architectural expertise with hands‑on engineering experience across enterprise systems, cloud technologies, and application development.

Key Responsibilities

• Lead the design and delivery of end‑to‑end architecture solutions, ensuring functional, security, resilience, and non‑functional requirements are met.
• Collaborate with Requirement Owners, Domain Architects, IT engineers, and application teams throughout the project lifecycle.
• Ensure solution architectures align with enterprise standards and domain target architectures.
• Contribute to the development of solution architecture and software engineering practices.
• Establish reusable architecture patterns and building blocks.
• Support the definition of target architectures and technology roadmaps.
• Provide architectural guidance for complex, large‑scale transformation projects.
• Identify technical challenges and recommend pragmatic, scalable solutions.

Required Skills and Experience

• 15+ years of experience in the IT industry.
• Proven experience as a Lead Solution Architect on large‑scale transformation projects.
• Experience designing and delivering critical transactional systems in complex enterprise environments.
• Strong knowledge of IBM Mainframe.
• Experience with Java or Windows .NET development technologies.
• Knowledge of Azure Cloud, APIs, integration mechanisms, and data technologies.
• Strong architectural analysis, problem‑solving, and analytical skills.
• Ability to translate complex business and technical requirements into practical architectural solutions.
• Experience working across multiple systems, functions, locations, and teams.

Desirable Skills

• Experience in financial services and knowledge of the relevant regulatory environment.
• Knowledge of private cloud technologies and Microsoft Azure.
• Experience with event‑driven architecture and Apache Kafka.
• Experience with Linux and the Java development stack.
• Experience with reference architectures, architectural roadmaps, and enterprise‑wide technology transformation.