Luxembourg National Data Service (LNDS) is a brand of PNED G.I.E. an organisation created by the Luxembourg Government, to implement Luxembourg’s strategies in research, innovation, and digitalisation. LNDS enables value creation from secondary use of data, for public and private partners and supports the sharing and re-use of public sector data, in a trustable manner. The LNDS service portfolio includes know-how, capabilities, tools, infrastructure, and data services. Through efficient & responsible use of data and improving the secondary use of data, LNDS will support the acceleration of economic, ecological, and societal transitions.

www.lnds.lu | LNDS on LinkedIn

Play a key role in the improvement and innovation of Information Technology (IT) solutions in our

organisation and be part of a dynamic agile team focused on delivering related high-quality services in the various data domains in our focus.

Purpose of the job/project

LNDS is seeking a technically skilled Senior Security Engineer II to strengthen its IT security capabilities. This role focuses on the implementation, operation, and continuous improvement of security technologies and processes. You will contribute directly to the organisation’s ISO 27001 and ISO 27701 certification efforts, support NIS2 compliance, and help protect infrastructure, data, and services. The position is ideal for a senior engineer who thrives in a hands-on environment and values autonomy, precision, and collaboration.

As a Senior Security Engineer II, you will be a senior technical contributor within a small, agile team.

You will work closely with LNDS’s software engineering team and NinjaOps team - a multidisciplinary group covering DevOps, infrastructure, systems, and IT support - to ensure security is embedded across systems and workflows. You will take ownership of key security operations and engineering tasks and contribute to the maturity of LNDS’s Information Security Management System (ISMS). The role requires initiative, technical depth, and a collaborative mindset.

What you will do

• Lead and coordinate the security architecture projects within LNDS.
• Deploy, configure, and maintain IT security tools and platforms (e.g., SIEM, XDR, firewalls, endpoint protection).
• Operate and improve the ISMS in alignment with ISO 27001/27701 standards and NIS2.
• Monitor multi-cloud and SaaS environments for security incidents and anomalies.
• Investigate and respond to security incidents, coordinating with relevant stakeholders.
• Conduct vulnerability assessments and support remediation efforts across servers, endpoints, and web assets.
• Maintain and improve IT security policies, procedures, and documentation.
• Collaborate with the software engineering and NinjaOps teams to integrate security into systems and workflows.
• Support the development and tuning of Security Information and Event Management (SIEM) rules, playbooks, and integration of observability sources.
• Participate or lead internal security awareness and training activities.
• Contribute to hardening efforts for Linux VMs, Office 365, user endpoints, and cloud services.
• Participate in internal and external penetration testing campaigns and follow-up remediation.
• Engage with external partners as requested.
• Mentor junior engineers.

Who you are

• Master’s degree in IT security, computer science, information technology, or a related field.
• 10 to 15 years of hands-on experience in IT security operations, engineering, or governance.
• Strong technical expertise in areas such as firewalls, SIEM, intrusion detection/prevention, identity and access management, and endpoint protection.
• Familiarity with risk management frameworks (e.g., MONARC, ISO 27005, OCTAVE, COBIT).
• Solid understanding of ISO 27001 and ISO 27701 standards and certification processes.
• Strong technical skills in scripting / automation (Python, Bash, PowerShell).
• Experience with Linux/RHEL and open-source security tools.
• Knowledge of FitSM or ITIL v3/v4 is a plus.
• Security certifications such as CISSP, CISM, CEH, or equivalent are desirable.
• Experience with vulnerability management tools (e.g., Tenable, Trivy), secure configuration baselines (e.g., CIS), and cloud security controls.
• Experience in a SAFe / agile environment is a plus.
• Strong analytical and problem-solving skills with a quality-driven mindset.
• Excellent communication skills in English; working knowledge of French, German, or Luxembourgish is a plus.
• Collaborative, adaptable, and culturally aware.
• Comfortable working in a small team with shared responsibilities and a high degree of autonomy.

What we offer

• Dynamic and innovative work environment
• Collaboration with diverse stakeholders
• Inclusive and diverse culture
• European recognition and impactful projects
• Shape the future of the data revolution

What sets us apart

The Luxembourg National Data Service is a modern and dynamic undertaking. We embrace a Lean and Agile mindset, combining the entrepreneurial spirit of a startup with the responsibility of a public body on a national mission. We will be a partner of society and industry, collaborating with a hugely diverse group of stakeholders in public research, public authorities, European institutions, academic and private institutions, and small, medium and large companies. Therefore, we have an international and multilingual character. Even in this rather ambitious context, we preserve a warm and personal atmosphere.

Inclusion and diversity are some of our key values. We ensure that everyone has employment and career opportunities in accordance with their skills and aspirations, respecting and being mindful of their individual characteristics.

Join LNDS and revolutionise the data economy!

Be part of our dynamic team driving innovation and making a tangible impact. Collaborate on cutting-edge projects, gaining European recognition in the prestigious European Data Spaces initiative. Shape a transformative future in the data revolution.