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Senior Consultant in Cybersecurity

Sia · Luxembourg

Senior 🇬🇧 English
Python C++ Java Ruby Node Go IP Networks Unix Linux Windows macOS AWS Azure GCP Web Server Middleware Cryptography Blockchain

Job description

About the role

Sia is seeking a dynamic Senior Consultant to lead cybersecurity initiatives for its global clients. You will work on a variety of projects, helping organisations design, implement and continuously improve their security posture.

Key responsibilities

  • Design, implement, manage, monitor and improve security measures for data, applications, systems and network infrastructures.
  • Advise clients on technical choices for cybersecurity architecture, dimensioning, modeling, proof‑of‑concepts, integration and system hardening.
  • Respond to security incidents, perform reverse engineering, root‑cause analysis and develop remediation plans.
  • Prepare security approval documentation such as Security Architecture Files, Security Justification Files, Security Plans and Interconnection Policies.
  • Contribute to internal service development, business development and commercial initiatives.

Required profile

  • Master’s degree in engineering, computer science, statistics, econometrics or a related field.
  • 3–6 years of experience in a consultancy delivering cybersecurity projects.
  • Strong interest in data and AI, quick learning ability, entrepreneurial mindset and excellent communication skills.
  • Analytical, autonomous and a proven team player.

Required skills

  • Programming languages: Python, C++, Java, Ruby, Node, Go, PowerShell.
  • Networking: IP networks.
  • Operating systems: Unix/Linux, Windows, macOS.
  • Cloud platforms: AWS, Azure, GCP.
  • Application layers: Web servers, databases, middleware.
  • Security fundamentals: Cryptography; knowledge of blockchain is a plus.

What we offer

  • Opportunity to work on high‑impact projects across multiple industries.
  • Professional growth in a fast‑growing, global consulting firm.
  • Collaborative environment that encourages responsibility and innovation.

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Published 3 months ago

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Sia

Luxembourg