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Software Engineer | M.Sc. Communication Systems & Networks (TH Köln & UPV) | Cloud & Security
Security Engineer specializing in AWS cloud security and DevSecOps. Building secure infrastructure with Terraform, implementing zero-trust architectures, and hardening containerized environments. Experienced in security monitoring with GuardDuty, CloudTrail, and SIEM platforms. Strong foundation in network security, cryptography, and incident response. Currently pursuing M.Sc. in Communication Systems & Networks (TH Köln & UPV).
Flexible across time zones • Available for remote collaboration
~/about-me
My journey spans from finance and economics to software engineering and cybersecurity. I thrive in high-stakes environments where precision and security are non-negotiable—from Germany's financial sector to critical infrastructure. What drives me is the intersection of technology and impact: building systems that are not just functional, but resilient, secure, and scalable. With a customer-focused mindset and continuous learning approach, I deliver solutions that meet the highest standards of quality and compliance.
Software Engineering
Full-stack development with modern frameworks and best practices
Security Engineering
SIEM deployment, endpoint security, threat detection, and security automation
Security & Compliance
ISO 27001, NIST standards, and cybersecurity monitoring
Machine Learning & AI
Anomaly detection, ML pipelines, and intelligent automation systems
~/Technical Skills
Technologies and tools I work with professionally
Programming & Scripting
Tools & Platforms
Specializations
~/journey
Career milestones and work experience
Security Engineer
NewStore
Berlin, Germany (supporting global offices in Boston, Toronto, Amsterdam, Paris)
Unified commerce platform with omnichannel POS, consumer shopping apps, order management, inventory, and clienteling.
Securing unified commerce platform infrastructure. Implementing cloud security controls, managing access policies, and ensuring compliance across global offices.
Multiplatform Engineer, Playback Team
Zattoo
Zurich, Switzerland & Berlin, Germany
European TV streaming platform delivering live and on-demand services to millions.
Analyzing streaming telemetry, building data pipelines with Kafka, implementing analytics in ClickHouse, developing monitoring in Kotlin.
IT Administrator – Working Student & Intern
Zattoo
Zurich, Switzerland & Berlin, Germany
European TV streaming platform delivering live and on-demand services to millions.
Architected Wazuh SIEM with ML anomaly detection. Managed 400+ endpoints, automated onboarding workflows with Python/n8n.
IT Support and Infrastructure – Working Student / Intern
Billie
Berlin, Germany
Fintech company simplifying B2B transactions with digital invoicing and financing solutions.
Rolled out Entitle JIT access reducing privileges by 60%. Implemented security policies, endpoint hardening, asset management.
IT Operations & Automations – Part-time
MCC Consultores
Mexico City, Mexico (World Trade Center)
Project management for large-scale infrastructure in energy, water treatment, and industrial sectors.
Implemented automation tools, maintained documentation, optimized IT systems, provided technical support.
Finance Analyst – Apprentice
MICSA, S.A. de C.V.
Mexico City, Mexico & Panama City, Panama
Contract management for construction and consulting projects in Mexico City and Panama.
Monitored contracts, controlled costs, allocated resources, managed schedules to ensure timely project completion.
Interested in my journey?
~/studies
Academic background and continuous learning
M.Sc. Communication Systems and Networks
TH Köln (Cologne University of Applied Sciences)
Cologne, Germany
Master of Science in Communication Systems & Networks at TH Köln, pursued within a Double Degree Pathway with Universitat Politècnica de València (UPV). Specialization in Networks, Security, Cloud, and AI-driven Applications.
Master in Telecommunication Technologies, Systems and Networks
Universitat Politècnica de València (UPV)
Valencia, Spain
Part of a Double Degree with TH Köln. Coursework and research in networks, security, IoT, cloud, and AI-driven applications. Exchange semester at UPV includes advanced modules and a co-supervised Master's thesis.
Bachelor of Applied Science – Software Engineering
University of Europe for Applied Sciences
Potsdam, Germany
Received Academic Scholarship. Successfully completed thesis: 'Cybersecurity Monitoring: A Machine Learning and Wazuh Integrated Approach' - designed and deployed full-stack SIEM monitoring solution combining open-source and ML technologies for real-time threat detection.
Bachelor's degree, Economics and Finance
Instituto Tecnológico Autónomo de México
Mexico City, Mexico
Active member of debate team. Transitioned into Software Engineering after relocating to Germany.
~/Certifications
Professional certifications and continuous learning
Google Analytics
Skillshop
IBM Data Analytics Essentials
Coursera
Jamf Endpoint Security Associate
Jamf
German Language Certificate (B1.1)
crossXculture
50 hours of training, certified proficiency at level B1.1 according to the CEFR framework
AWS Certified Cloud Practitioner (CLF-C02)
Amazon Web Services
ISC² Certified in Cybersecurity (CC)
ISC²
~/contact
I'm always open to discussing new opportunities and collaborations.
Get in Touch
sergio.mancinas@gmail.com
Location
Berlin, Germany
Available for Collaboration
Interested in working together on innovative projects? Let's discuss how we can create something amazing.