SEFE Marketing & Trading Ltd
Lead Security Architect (m/f/d)
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IN SHORT
The Lead Security Architect owns and defines the organisation’s enterprise security architecture across IT, cloud and hybrid environments. Operating in a NIS2-regulated setting, you will set secure-by-design principles, develop technical security standards, and provide authoritative oversight to ensure secure, resilient and compliant solutions. You will guide internal and external architects, ensure architectural consistency, and embed security throughout the design and delivery lifecycle.
What Will You Do
- Define and maintain enterprise security architecture across IT and cloud environments.
- Establish secure-by-design and secure-by-default principles across all change initiatives.
- Develop and evolve technical security standards, reference architectures and patterns.
- Act as security design authority for major programmes and solution designs.
- Review, challenge and approve architecture decisions and identify security weaknesses.
- Oversee and assure the work of contract and project-based security architects.
- Define security architectures for identity, networks, endpoints, applications and cloud.
- Integrate threat intelligence, testing insights and resilience requirements into designs.
- Translate NIS2 and regulatory requirements into architectural controls.
- Collaborate with Enterprise Architecture, IT, and Security Operations for alignment.
- Continuously improve architecture based on emerging threats, technologies and best practices.
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What Will You Bring
- Qualifications in Cybersecurity, Computer Science, IT, Engineering or related field.
- Extensive experience in security architecture roles in large-scale or regulated environments.
- Proven track record embedding secure-by-design principles and technical standards.
- Experience acting as a security design authority for major programmes and change initiatives.
- Strong background across identity, network, endpoint, cloud, application and integration security.
- Exposure to hybrid IT security architectures (desirable).
- Experience in regulated or critical infrastructure environments (e.g., NIS2-aligned sectors).
- Strong analytical, architectural review and decision-making skills.
- Excellent communication skills for technical and non-technical stakeholders.
- Pragmatic, collaborative mindset with strong ownership and attention to detail.
About Us
SEFE is an international energy company anchored in Europe, delivering energy solutions that ensure reliable and affordable supply. Our activities span the entire energy value chain – from origination and trading to sales, transport and storage. With decades of trading expertise and a growing LNG portfolio, SEFE is one of Europe’s leading suppliers to industrial customers, providing more than 200 TWh of gas and power each year. We supply over 50,000 clients, from small businesses to municipalities and multinational organisations. By investing in clean energies, we support our customers on their decarbonisation journey and contribute to the energy transition. SEFE employs over 2,000 people worldwide and is owned by the Federal Government of Germany.
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Securing energy – now and for the future.
Our Benefits
In return we offer a competitive starting salary supported by a comprehensive range of financial, lifestyle and wellness benefits with the flexibility to follow a hybrid working model.
- Bonus earning potential
- Non-contributory pension with 10% employer contribution
- 25 days holiday plus bank holidays and volunteering days
- Buy / sell holidays
- Life assurance
- Medical and dental insurance (family cover)
- Range of optional flexible benefits
We are committed to supporting your career growth with opportunities to develop both your knowledge and experience through a blended approach to learning.
Join SEFE and help us secure energy supply across Europe and shape a better, more sustainable tomorrow.
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