Principal Architect

About the job

OWT - a Swisscom company - is a strategy and technology consulting firm helping clients leverage new technologies to reshape their business.

We partner with Anthropic , creator of Claude and Claude Code, and have launched Alpha Factory, Switzerland's first dedicated centre of excellence for responsible, human-centered AI adoption.

We are strengthening our team of experts and looking for a passionate Principal Architect to drive transformation across leading Swiss organizations.

Your mission:

• Architect and deliver scalable, secure, and business-aligned software solutions that integrate AI capabilities
• Design and implement cloud-native solutions, containerized architectures, and robust CI/CD pipelines
• Lead end-to-end architecture on complex projects, from pre-sales to production deployment, ensuring timely delivery and client satisfaction
• Define strategic architectural decisions (patterns, technologies, integrations) and produce associated technical documentation (ADRs, guidelines)
• Act as the technical interface between project teams and stakeholders, translating business needs into pragmatic technical solutions
• Actively participate in development (code reviews, POCs, AI pipeline design, critical components) while ensuring overall technical consistency 
• Contribute to internal capability building: (mentoring, AI technology monitoring, best practice improvements across OWT)

Your qualifications:

• A minimum of 10 years of experience in software architecture across large-scale projects, with the ability to bridge strategic vision and hands-on implementation
• Solid expertise in modern architectural patterns (microservices, event-driven, hexagonal, clean architecture) and design principles (SOLID, DDD)
• A genuine passion for AI and hands-on experience designing or integrating LLM APIs, RAG pipelines, and agentic systems
• Excellent background in either Java Spring Boot or .NET stacks
• Experience building scalable and resilient systems using cloud and container technologies (Docker, Kubernetes, Azure, AWS)
• Demonstrated technical leadership, stakeholder management, and communication skills across business and IT teams
• Solid understanding of application security (OWASP, authentication/authorization, encryption)
• Hands-on experience with DevSecOps, CI/CD, observability, and monitoring of distributed systems
• Fluency in French and English (minimum C1 level); German is a plus

What we offer:

• A dynamic and highly collaborative culture driven by a shared passion for technology and innovation, with a strong client focus
• A growth-oriented environment with a clear career path and fast progression opportunities
• A modern work model combining office presence, home office, and client-site collaboration
• A competitive salary and a healthy work-life balance
• The opportunity to work with prestigious clients on diverse and cutting-edge technology projects
• A team of experts always ready to share knowledge and provide constructive feedback
• A proven mentoring model to support your personal and professional development throughout your journey at OWT
• Conveniently located offices in Geneva, Lausanne, Zurich, and Bern
• Choose your home base: our Lausanne or Geneva offices

Ready to make a real impact on how Switzerland adopts AI? Join a team of driven experts in a company where technology, innovation, and collaboration drive everything we do.

Interested in learning more about OWT ? Check out our LinkedIn page!