Ciklum is looking for an Expert Cyber Security Engineer to join our team in Spain.
We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.
About the role:
As an Expert Cyber Security Engineer, you'll become a part of a cross-functional development team engineering experiences of tomorrow.
Responsibilities:
This senior role blends proactive design with hands-on security validation in web application development. You will focus on long-term security improvements by identifying and mitigating risks before they materialize.
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Architect & Threat Model: Lead security design reviews and conduct in-depth threat modeling for new products and critical infrastructure
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Research & Build: Investigate emerging threats and novel attack vectors, then use your findings to design and build defense strategies to mitigate them
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Assess & Penetrate: Perform hands-on penetration testing and security assessments against our most complex systems to discover and validate vulnerabilities
Requirements:
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7+ years of hands-on long-term projects with a strong background in both offensive and defensive security
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Significant, proven experience in penetration testing (web applications preferred) and a deep understanding of an attacker's mindset
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Strong programming and scripting skills (Python preferred) with experience building security tools, automation, or prototypes
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Deep technical knowledge in at least one core security domain, such as cryptography, authorization/authentication, secure architecture, network security
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Very good communication skills (English)
Desirable:
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Experience securing modern technologies like serverless architectures or AI/ML platforms
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Experience with secure architectures for cloud-native environments (AWS, GCP, Kubernetes)
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Relevant industry certifications (e.g., OSCP, OSCE, CISSP)
What`s in it for you?
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Care: your mental and physical health is our priority. We ensure comprehensive company-paid medical insurance and 4 additional undocumented sick leave days
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Tailored education path: boost your skills and knowledge with our regular internal events (meetups, conferences, workshops), Udemy license, language courses and company-paid certifications
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Growth environment: share your experience and level up your expertise with a community of skilled professionals, locally and globally
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Flexibility: Own your schedule – you are the one to decide when to start your working day. Just don’t miss your regular team stand-up. We are there to support your work-life balance and provide 23 vacation days
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Opportunities: we value our specialists and always find the best options for them. Our Internal Mobility Program helps change a project if needed to help you grow, excel professionally and fulfill your potential
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Global impact: work on large-scale projects that redefine industries with international and fast-growing clients
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Welcoming environment: feel empowered with a friendly team, open-door policy, informal atmosphere within the company and regular team-building events
About us:
At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.
Based in Málaga, our team thrives in one of Andalusia’s leading tech hubs. Enjoy a hybrid work setup, the sunny Mediterranean vibe, and endless opportunities to grow your skills on global-scale projects.
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Explore, empower, engineer with Ciklum!
Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.
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