ABOUT J5 TEKNOLOGY SERVICES

We've faced the challenges. We built J5 to help solve them.

Based in Munich, Germany, J5 Teknology Services was founded on decades of international, hands-on engineering and technical leadership experience across optical technologies, aerospace, defence and multidisciplinary systems development.

Throughout our careers, we have worked with engineering teams and organizations across different countries, experiencing firsthand the challenges of delivering complex technical projects under demanding schedules, limited resources and competing priorities.

We have seen technical challenges remain unresolved, and promising concepts struggle to become practical solutions—not necessarily because suitable technology was unavailable, but because the right expertise or engineering capacity was missing when needed.

That's why we founded J5 Teknology Services.

We created J5 to provide experienced technical assessment and hands-on engineering support to customers in Germany and abroad. We help identify suitable technologies, recommend practical implementation paths and deliver clearly defined engineering solutions alongside customer teams.

Our approach is straightforward: agree the question or engineering scope, provide useful technical recommendations or deliver agreed results, and offer further support when needed—without creating unnecessary long-term overhead for our customers.

THE FOUNDERS

Hands-on experience. Engineering leadership.

J5 Teknology Services was founded on decades of hands-on engineering and technical leadership experience across optical technologies, aerospace, defence and multidisciplinary systems development.

Carlos E. CarrizoCCFounder portrait

Dr. Carlos E. Carrizo

Co-Founder | Systems Engineering & Product Development

Systems engineer with a PhD focused on laser communications and around 20 years of professional engineering experience across optical technology, aerospace systems and advanced technology development.

His background brings together technical programme management, team leadership, prototype integration, verification and product maturation.

Carlos on LinkedIn ↗
Ivan TarnapolskyITFounder portrait

Ivan Tarnapolsky, MSc

Co-Founder | Electro-Optical & Systems Engineering

Electronics engineer with an MSc in Optics & Photonics and around 20 years of professional experience across optical systems, advanced laser technologies, aerospace and defence.

His background combines hands-on engineering, multidisciplinary systems architecture, test-equipment development, integration, verification and technical delivery.

Ivan on LinkedIn ↗

EXPERIENCE ACROSS INDUSTRIES

SPACE, EO & IoTSatellogic · Sateliot
NUCLEAR & ADVANCED ENGINEERINGINVAP
DEFENCE SYSTEMSHENSOLDT
R&D & OPTICAL COMMUNICATIONSDLR · Mynaric
LASER TECHNOLOGYMenlo Systems

Organizations where the founders have previously worked. The organizations shown are not presented as J5 customers, partners or endorsers.

WORK WITH J5

Experience that works alongside your team.

Whether you need to evaluate a technical challenge or implement an agreed solution, J5 brings practical engineering experience and flexible specialist capability to defined scopes of work.

Discuss your project →