Thales

Location: Praha, Czechia

Thales people architect identity management and data protection solutions at the heart of digital security. Business and governments rely on us to bring trust to the billons of digital interactions they have with people. Our technologies and services help banks exchange funds, people cross borders, energy become smarter and much more. More than 30,000 organizations already rely on us to verify the identities of people and things, grant access to digital services, analyze vast quantities of information and encrypt data to make the connected world more secure.

Thales in the Czech Republic employs over 400 people from 45 different nationalities. A total of 15 teams work on projects for government agencies, banking, mobile services and the Internet Of Things (IoT) technology. At the core of our business is the development of software which we configure and embed in a multitude of different devices and form factors. These include many kinds of payment cards, SIM cards, travel passes, secure eBanking devices, authentication tokens, machine identification modules (MIM), and secure ID documents including ePassports, eID and eHealth cards, as well as eDriving licenses. Because of the international environment surrounding us every day, it comes as no surprise that English is our official corporate language.

Businesses rely on Thales to bring trust to the billions of digital interactions they establish with users. The Cybersecurity and Digital Identity (CDI) business unit provides technologies and services that allow companies and governments to verify identities and protect data to keep them safe - to build a future we can all trust. In the IoT domain, Thales delivers secure, scalable, and intelligent connectivity solutions that power billions of devices worldwide.

As part of the Mobile Connectivity and Service (MCS) Business Line, you will contribute to shaping the next generation of trusted IoT infrastructure—where security, interoperability, and innovation converge.

As IoT System Architect with the MCS Technical Directorate, you will lead the end-to-end technical architecture of the IoT ecosystem within MCS Business Line. You will act as the Product Design Authority for all IoT-related initiatives, driving architectural coherence across embedded systems, server platforms, and security frameworks, including the implementation of GSMA standards (such as SGP.32), and the convergence of IoT with security technologies.

Job Responsibilities

• Define and maintain the overall IoT system architecture, spanning embedded OS, device firmware, server-side platforms, and cloud integration.
• Act as Product Design Authority for IoT solutions, ensuring alignment with business goals, technical standards, and regulatory requirements.
• Lead architectural decisions related to eSIM technology and Standards implementation (such as SGP.32, SGP.42…), ensuring interoperability and scalability.
• Drive security convergence across IoT platforms, collaborating with internal security teams to embed secure-by-design principles.
• Provide technical leadership to the embedded OS and server architecture teams, fostering cross-functional collaboration.
• Evaluate and integrate emerging technologies and standards into the IoT roadmap.
• Drive reusable software building block implementation.
• Collaborate with customer, product management, engineering, and external partners to ensure successful delivery of IoT solutions.
• Support end to end testing activities.

Job Skills & Qualifications

• Bachelor’s in computer science, Electrical Engineering, or a related field.
• 10+ years of experience in IoT and embedded systems, with at least 3 years in a system architecture or technical leadership role.
• Deep knowledge of embedded OS and server/cloud architectures.
• Proven experience with GSMA standards (especially SGP.02, SGP.22 and SGP.32) and 3GPP.
• Strong understanding of IoT security, including secure elements, secure boot, and cryptographic protocols.
• Experience in telecom or mobile connectivity domains.
• knowledge of IoT protocols (LwM2M, MQTT, CoAP).
• Knowledge of IoT device lifecycle management and remote provisioning.
• Familiarity with DevSecOps, CI/CD pipelines, and agile development practices.
• Excellent communication and stakeholder management skills.

At Thales we provide CAREERS and not only jobs. With Thales employing 80,000 employees in 68 countries our mobility policy enables thousands of employees each year to develop their careers at home and abroad, in their existing areas of expertise or by branching out into new fields. Together we believe that embracing flexibility is a smarter way of working. Great journeys start here, apply now!