Senior Cybersecurity Architect

il y a 3 jours

Bertrange, Luxembourg Proximus Luxembourg Temps plein
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Senior Cybersecurity Architect - C.

Publiée le 12/01/2026

Proximus Luxembourg

  • Bertrange
  • Informatique Consulting
  • Informatique Infrastructure / Système / Réseau

Temps de travail

Temps plein

Type de contrat

CDI

Indépendant / Freelance / Franchise

Langues parlées

EN

Niveau d'étude

Bachelor / Licence

Master

Télétravail

Télétravail possible

About Proximus NXT
Proximus NXT Luxembourg supports all organizations in their digital transformation, by providing holistic ICT & Telecommunication solutions, as well as tailored managed services. With our partners and customers, we co-create opportunities and enable growth in a secure and sustainable manner. As a result of our unique expertise in next-gen IT services, mobile and advanced connectivity, we help our customers achieve their ambitions and realize their vision.

Together with them and our partners we implement sovereign and trusted solutions that make people work smarter.–

Your Mission
A
Cybersecurity Architect
is responsible for designing, supporting implementation, and maintaining our customer's security infrastructure to protect IT systems, networks, and data from cyber threats. This role involves developing security frameworks, defining best practices, and ensuring compliance with industry standards and regulations in a delivery context of Artificial Intelligence, Business Intelligence and Data Analytics services delivery. The Cybersecurity Architect collaborates with IT teams, business stakeholders, and security professionals to assess risks, implement security controls, and respond to evolving cyber threats. Their expertise in security technologies, threat modelling, and risk management helps build a resilient security posture that aligns with business objectives.

Key Responsibilities

  • Designing Security Blueprints

  • Model and Document Security Pattern and Blueprints architecture reusable by Service teams of our customer

  • Advising the customer in projecting those Blueprints in its Cybersecurity Roadmap
  • Provides expert guidance on the design, implementation, and governance of secure architectures across Azure and AWS, leveraging in-depth knowledge of native security services, compliance frameworks, and best practices

Experience with large scale IT environments (thousands of IT systems and applications)

  • Performing Security Architecture Review

  • Review, with customer's product architects, the security posture of their implementation

  • Align their design with documented Security Blueprints

  • Ensure security is embedded in DevSecOps and software development lifecycles (SDLC)

  • Experience in AI, BI and Data Analytics Sector

  • Proven experience in designing and implementing cybersecurity architectures for cloud- based data and AI platforms.

  • Strong understanding of data security concepts: encryption, tokenization, data masking, secure APIs, and access control.
  • Familiarity with data analytics stacks.

  • Experience with AI/ML environments and securing MLOps workflows.

  • Identity and Access Management

  • Ensure secure integration of IAM solutions with cloud and enterprise applications.

  • Technical Hands On Skills

  • Python Scripting capabilities are mandatory

  • Collaboration & Security Awareness

  • Work with IT, DevOps, and business teams to ensure security is a shared responsibility

  • Provide technical leadership and mentorship to security engineers
  • Act as a constructive and structured Security advisor for both internal Squads and customer stakeholders.
  • Senior Architect Profile is expected to work in autonomy, with proactivity and have good communication skills.

Your Profile
Qualifications :

  • Bachelor's or Master's degree in Computer Science, Information Systems, or a related field.
  • Extensive experience (min 10 years) in Cybersecurity, with a focus on Business Continuity
  • Solid understanding of Agile and SAFe methodologies and their application in architecture design and development.
  • Knowledge on TOGAF and SABSA methodologies
  • Excellent problem-solving and analytical skills, with a focus on delivering practical and innovative solutions.
  • Strong communication and interpersonal skills to engage with technical and non-technical stakeholders effectively.

Requirements

  • EU citizenship.
  • Fluency in English (written and spoken); proficiency in any other European language is a plus.
  • Experience in a public administration or similarly complex environment is desirable.

Our Offer
A professional and stimulating work environment in the IT & telecom sector. Multiple career opportunities within the Proximus Group at national and international level, cutting-edge training in new technologies, a wealth of recognized expertise. We also offer an attractive salary package and many other benefits.

Our company is an equal opportunity employer, valuing diversity in all its forms. We firmly believe that each individual brings a unique richness to our teams, and we are committed to creating an inclusive environment where every voice counts.

If at the end of the process your application is successful, you will be asked to provide an extract from your criminal record. Your personal information will be handled in compliance with applicable data protection laws.

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