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- Tasks: Define and maintain enterprise security architecture across IT, cloud, and hybrid environments.
- Company: Join SEFE, a leading international energy company committed to sustainability.
- Benefits: Competitive salary, hybrid working model, 25 days holiday, and comprehensive wellness benefits.
- Why this job: Shape the future of energy security while developing your career in cybersecurity.
- Qualifications: Experience in security architecture and strong analytical skills required.
- Other info: Collaborative environment with opportunities for professional growth and learning.
The predicted salary is between 43200 - 72000 £ per year.
The Lead Security Architect owns and defines the organisation’s enterprise security architecture across IT, cloud, OT 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, OT and cloud environments.
- 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, cloud and OT.
- Integrate threat intelligence, testing insights and resilience requirements into designs.
- Translate NIS2 and regulatory requirements into architectural controls.
- Collaborate with Enterprise Architecture, IT, OT and Security Operations for alignment.
- Continuously improve architecture based on emerging threats, technologies and best practices.
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 OT or hybrid IT/OT 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. 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.
Lead Security Architect (m/f/d) in London employer: SEFE Group
Contact Detail:
SEFE Group Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Lead Security Architect (m/f/d) in London
✨Tip Number 1
Network like a pro! Attend industry events, webinars, and meetups to connect with fellow security professionals. You never know who might have the inside scoop on job openings or can put in a good word for you.
✨Tip Number 2
Show off your expertise! Create a portfolio showcasing your past projects, especially those that highlight your experience in security architecture. This will give potential employers a clear view of what you bring to the table.
✨Tip Number 3
Don’t just apply – engage! When you find a role that excites you, reach out to current employees on LinkedIn. Ask them about their experiences and share your enthusiasm for the position. It’s a great way to stand out!
✨Tip Number 4
Keep learning and adapting! Stay updated on the latest trends in cybersecurity and NIS2 regulations. This not only boosts your knowledge but also shows potential employers that you’re committed to continuous improvement.
We think you need these skills to ace Lead Security Architect (m/f/d) in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Lead Security Architect role. Highlight your experience in security architecture, especially in regulated environments, and showcase how you've embedded secure-by-design principles in past projects.
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're passionate about security architecture and how your skills align with our needs. Don't forget to mention your experience with NIS2 regulations and your collaborative mindset.
Showcase Your Technical Skills: In your application, be sure to highlight your technical skills across identity, network, endpoint, cloud, and application security. We want to see how you can contribute to our enterprise security architecture!
Apply Through Our Website: We encourage you to apply through our website for the best chance of getting noticed. It’s the easiest way for us to keep track of your application and ensure it reaches the right people!
How to prepare for a job interview at SEFE Group
✨Know Your Security Architecture Inside Out
Make sure you’re well-versed in enterprise security architecture, especially across IT, cloud, and OT environments. Brush up on secure-by-design principles and be ready to discuss how you've implemented these in past roles.
✨Prepare for Technical Questions
Expect to face questions about technical security standards and reference architectures. Be prepared to explain your thought process when reviewing and approving architecture decisions, and have examples ready that showcase your analytical skills.
✨Showcase Your Collaboration Skills
Since the role involves working with various teams, highlight your experience collaborating with Enterprise Architecture, IT, and Security Operations. Share specific instances where your collaborative efforts led to successful outcomes.
✨Stay Updated on Regulations
Familiarise yourself with NIS2 and other relevant regulatory requirements. Be ready to discuss how you would translate these into architectural controls and how you’ve done this in previous positions.