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.

The Cloud Security Architect is the cloud security expert within the Cloud Excellence Center, responsible for ensuring that all cloud products and solutions meet Thales DIS, customer, and cloud-specific security standards across their entire lifecycle.

Key responsibilities

Ensure end-to-end security compliance of cloud solutions from design through deployment.

Design and validate secure cloud architectures using security-by-design and privacy-by-design principles.

Identify, assess, and manage cloud security and personal data protection risks.

Oversee Cloud Security Assurance activities, best practices, and security governance.

Support audits, risk assessments, penetration testing, vulnerability management, and incident response.

Provide cloud security expertise from pre-sales through delivery, including customer interactions.

Train, mentor, and support engineering teams and Cloud Security Champions.

Contribute to security KPIs, continuous improvement, and cloud security policies.

Required experience & skills

Bachelor’s degree in Computer Science, IT, or a related field.

3+ years of experience with cloud-based system integration and deployment (IaaS, containers, Kubernetes).

Experience in server-side software development.

Strong understanding of cloud infrastructure, networking, databases (SQL, NoSQL, object storage), and distributed systems.

Hands-on experience with Infrastructure as Code, CI/CD, and automation.

Proficiency in Linux/Windows and at least one programming language (e.g. Java, Python, C#, JavaScript, Go).

Strong communication skills and ability to collaborate across technical and non-technical teams.

Fluent in English; an additional EU language is a plus.

AWS certification (SAA or SAP) is considered an advantage.

Willingness to obtain EU Secret Clearance.

Why join us:

High-impact role: Shape the security of mission-critical cloud products used by global customers.

Security at the core: Be involved early in architecture and design, not just reviews at the end.

Strong technical environment: Work with modern cloud technologies, complex distributed systems, and real-world security challenges.

Visibility and influence: Collaborate with architects, engineering leaders, sales, and customers across the organization.

Growth and learning: Continuous exposure to evolving cloud security standards, training opportunities, and expert communities.

Collaborative culture: Join a team that values knowledge sharing, mentorship, and security awareness.

Long-term stability: Be part of a well-established, international organization with meaningful, regulated projects.

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!