At a Glance
- Tasks: Define and maintain enterprise security architecture across IT and cloud environments.
- Company: Join SEFE, a leading international energy company focused on sustainability.
- Benefits: Competitive salary, hybrid working model, 25 days holiday, and comprehensive wellness benefits.
- Other info: Collaborative environment with strong career growth opportunities.
- Why this job: Shape the future of energy security while developing your cybersecurity expertise.
- Qualifications: Qualifications in Cybersecurity or related field with extensive security architecture experience.
The predicted salary is between 63000 - 77000 £ per year.
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.
- 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.
- 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.
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.
- Job Country: United Kingdom
- Job Location: London, United Kingdom | Manchester, United Kingdom
- Posting Start Date: 20/03/2026
- Business Function: Information Technology
- #J-18808-Ljbffr
Lead Security Architect (m/f/d) employer: SEFE Group
SEFE is an exceptional employer, offering a dynamic work environment where innovation meets responsibility in the energy sector. With a strong commitment to employee growth, we provide extensive training opportunities and a hybrid working model that promotes work-life balance. Our competitive benefits package, including a non-contributory pension and comprehensive health coverage, ensures that our employees are well-supported as they contribute to securing energy supply across Europe.
StudySmarter Expert Advice🤫
We think this is how you could land Lead Security Architect (m/f/d)
✨Get Involved in the Cybersecurity Community
Diving into the cybersecurity community is key for landing that full-time gig. Join forums like Reddit's r/cybersecurity or attend local meetups to connect with industry veterans and other job seekers. Networking is everything in this field—don’t just be a passive lurker!
✨Show Off Your Skills with Capture the Flag Competitions
Participate in Capture the Flag (CTF) competitions; these are not just a fun way to boost your skills but also a chance to showcase your talent to potential employers. Many companies, including SEFE Group, love seeing candidates who actively engage in these challenges.
✨Tailor Your Online Presence
Make sure your LinkedIn and any professional profiles reflect your cybersecurity expertise. Share your projects, whether they’re personal or from a previous role, to catch the eye of hiring managers. This is how they’ll find your passion and commitment to the field!
✨Apply Directly Through SEFE Group
Don’t forget to head straight to our website and check out any openings for cybersecurity roles at SEFE Group. Applying directly can sometimes give you an edge, especially if you can mention that you've been following our work or engaging in the community.
We think you need these skills to ace Lead Security Architect (m/f/d)
Some tips for your application 🫡
Show off your technical skills:In cybersecurity, it's crucial to highlight your technical prowess. Make sure your CV showcases specific skills like network security, penetration testing, or threat analysis. If you have relevant certifications (like CEH or CISSP), pop those on the front page to grab attention!
Tailor your portfolio for the role:Even for a full-time role, a portfolio can set you apart. If you've worked on any cybersecurity projects—be it CTF challenges, security assessments, or research papers—include these in your application. This demonstrates not just your skills, but also your hands-on experience!
Use real-world examples:When writing your cover letter, don’t just stick to your qualifications. Share real-world examples of how you’ve tackled security issues or vulnerabilities. This gives the hiring team at SEFE Group insight into your practical problem-solving abilities and makes your application memorable.
Demonstrate your passion for cybersecurity:Cybersecurity is an ever-evolving field, so show us that you’re always learning! Mention any recent courses, webinars, or industry events you’ve attended. This not only exhibits your enthusiasm but also signals to SEFE Group that you’re committed to staying ahead in the game.
How to prepare for a job interview at SEFE Group
✨Sharpen Your Technical Skills
For a role in cybersecurity, it’s essential to be up-to-date with the latest tools and techniques. Brush up on your knowledge of firewalls, intrusion detection systems, and vulnerability assessment tools. Be ready to discuss specific scenarios where you’ve applied these skills, as hands-on experience can really set us apart in interviews.
✨Prepare for Scenario-Based Questions
Expect the interviewers at SEFE Group to throw in some hypothetical situations to see how you’d handle them. Think about common security breaches or incidents and be prepared to explain how you would respond. This not only shows your problem-solving skills but also your understanding of real-world cybersecurity challenges.
✨Highlight Your Certifications
Certifications like CompTIA Security+, CISSP, or CEH can give you a significant edge in a full-time role in cybersecurity. Make sure to mention these during your interview and be prepared to discuss what you learned through those certifications and how they relate to the position at SEFE Group.
✨Show Your Passion for Cybersecurity
Since you’re going for a full-time gig, showing genuine enthusiasm for the field can make all the difference. Share any personal projects, blogs, or communities you’re part of that relate to cybersecurity. This not only showcases your passion but also your commitment to staying engaged in this ever-evolving field.
