Senior Solution Architect (f/m/d) IT/OT Security Platforms

Siemens; Tres Cantos; On-site; EUR 85,000 - 120,000; Full time

Benefits offered by this job

Attractive remuneration package

Siemens share plans

30 days paid vacation

Flexible work schedules

Professional development opportunities

Job summary

Siemens IT enables secure, reliable digital services and drives the IT/OT security platform strategy. As a Solution Architect, you will define the technical vision and target architecture for strategic offerings, collaborating with factories, cybersecurity experts, service managers, product teams and partners to design scalable, secure solutions that support Zero Trust and digitalization goals.

You will translate complex requirements into platform architectures, governance models, and

Qualifications

• Expertise in Zero Trust and OT Security Architecture.
• Experience with OT Infrastructure and Brownfield Integration (3+ years).
• Experience in Platform and Enterprise Architecture (3+ years).
• Strong capabilities in Platform Integration, Automation, AI and Analytics.

Responsibilities

• Design and evolve the target architecture for IT/OT Security Platforms (SINEC Secure Connect).
• Define secure IT/OT communication concepts based on Zero Trust principles and develop architectures for remote access, machine connectivity, and AI-driven use cases.
• Support factories in integrating modern security and management solutions into brownfield environments.
• Translate business, security and operational requirements into scalable architectures and roadmaps.
• Collaborate with factories, cybersecurity teams, vendors and partners to drive service adoption and establish architecture standards.
• Define integration concepts between connectivity services, monitoring solutions, automation frameworks, and enterprise systems.
• Evaluate new technologies and contribute to ongoing evolution of IT/OT security and platform landscape.
• Enable data-driven, AI-supported operational use cases and secure data flows.

Skills

Zero Trust architecture

OT Security Architecture

Identity-centric networking

PKI & certificate lifecycle

NIST SP 800-207

IEC 62443

Brownfield Integration

Platform & Enterprise Architecture

API-based integration

AI-ready platform design

Stakeholder communication

Education

University degree in Information Technology, Computer Science, Engineering, Cybersecurity, or a comparable qualification

Job description

Together, we make the differenceSiemens IT enables secure, reliable and scalable digital services for Siemens businesses and factories worldwide. Within IT IPS, we develop and operate services that support the transformation of industrial environments towards modern, secure and standardized IT/OT operations.

As a Solution Architect (f/m/d) for our IT/OT Security Platforms

you will define the technical vision and architecture for strategic service offerings. You will work closely with factories, cybersecurity experts, service managers, product teams, and technology partners to design scalable, secure, and future-ready solutions that support Siemens' Zero Trust and digitalization strategy.

OT Zero Trust Platform

enables secure IT/OT communication through identity-based connectivity concepts.

As part of our team, you will have

• An attractive remuneration package
• Access to Siemens share plans
• 30 days of paid vacation and a variety of flexible work schedules that allow time off for you and your family
• Flexible training opportunities for both your professional and personal development that you can tailor to your interests

Since each of over 300,000 team members feels that other benefits are particularly important, and we cannot list our entire benefit portfolio here, you can find more information here.

The individual benefits are subject to regulatory, contractual, or corporate conditions.

What part will you play?

• You design and evolve the target architecture for our IT/OT Security Platforms (SINEC Secure Connect), ensuring alignment with Siemens cybersecurity, operational, and business requirements.
• You define secure IT/OT communication concepts based on Zero Trust principles and develop architectures for remote access, machine connectivity, application communication, and future AI-driven use cases.
• You support Siemens factories in integrating modern security and management solutions into existing brownfield environments, considering legacy systems, industrial protocols, and operational constraints.
• You translate business, security, and operational requirements into scalable platform architectures, governance models, technical standards, and implementation roadmaps.
• You collaborate with factories, cybersecurity teams, service owners, vendors, and technology partners to establish architecture standards and drive service adoption across Siemens.
• You define integration concepts between connectivity services, monitoring solutions, automation frameworks, and enterprise systems.
• You evaluate new technologies and architecture patterns and contribute to the continuous evolution of Siemens' IT/OT security and platform landscape.
• You enable data-driven and AI-supported operational use cases by designing architectures that support secure data flows, automation, analytics, and platform interoperability.
• You actively shape the journey to AI-native OT security services.

What You Bring To The Table

• Education: You have a university degree in Information Technology, Computer Science, Engineering, Cybersecurity, or a comparable qualification.
• Experience & Skills:
  • You possess strong expertise in Zero Trust and OT Security Architecture, including concepts such as identity-centric networking, PKI, certificate lifecycle management, and industry frameworks such as NIST SP 800-207 and IEC 62443.
  • You have proven experience with OT Infrastructure and Brownfield Integration (of at least 3+ years), including industrial environments, legacy systems, machine-to-machine communication, industrial protocols, network segmentation, and hybrid IT/OT architectures.
  • You are experienced in Platform and Enterprise Architecture (of at least 3+ years) and can translate business and security requirements into scalable technical solutions, governance models, operating concepts, and technology roadmaps.
  • You possess strong capabilities in Platform Integration, Automation, AI and Analytics, including API-based integration, monitoring, automation, operational data flows, and AI-ready platform design.
  • You are able to communicate complex technical concepts to both technical and non-technical stakeholders and successfully align diverse stakeholder groups.
• Ways of working:
  • You work in a structured and strategic manner and are comfortable operating in international and cross-functional environments.
  • You provide your support during Central European Time Zone (CET).
• Languages: Fluent English skills complete your profile. German language skills are beneficial.

You are much more than your qualifications, and we believe in the potential of every single candidate. We look forward to getting to know you! At Siemens, we believe that feeling valued and included is the foundation for doing great work. That’s why we aim to create an inclusive workplace where everyone feels a sense of belonging, and where individual perspectives and experiences are celebrated. Our commitment to fairness and respect extends to every applicant. As an equal opportunity employer, we welcome applications from individuals of all backgrounds and particularly encourage applications from persons with disabilities.

About Us

We know that our business thrives only when our people thrive and unlock their full potential. That’s why you are always our top priority. Our global,diverse team is ready to support, challenge, and inspire you, helping you grow in countless ways. Together, we’ll embark on an exciting journey of discovery. Who knows where this path will lead? Join us and take an active role in shaping your future!

www.siemens.de/careers – if you would like to find out more about jobs & careers at Siemens.

FAQ – if you need further information on the application process.