Core Technology Principal Engineer

Core Team @ Tel Aviv

Sepio creates one of the world’s most cutting-edge and unique cybersecurity software products, and we want you to be a part of our team. We are building the first hardware access control platform that provides unparalleled visibility and control of IT/OT/IoT devices. Through its Zero Trust approach, HAC-1 mitigates several security threats, such as those emanating from BYODs, insiders and the supply chain. Sepio’s physical layer fingerprinting technology discovers all managed, unmanaged, and hidden devices that are otherwise invisible to existing security and asset visibility tools. We have an excellent combination of unique products and just all-around great people.

Core Technology Principal Engineer @ Tel Aviv
We are searching for a Core Technology Principal Engineer to take the lead in researching and defining new functionality for our software suite. The successful candidate will take active part in the product roadmap design and technical negotiations with partner vendors.
You will be a part of our growing team in Tel Aviv (Rakevet Merkaz), and work from home twice a week.


  • Run research projects and POCs ~ 50% of teams’ time.
  • Design and build a multi-layered backend system that aggregates agents’ data to enable smart big-data/ML algorithms and policy-based control.
  • Design and build an agent that runs across organization’s hosts (Win, Linux, Mac, Mobile), identifies issues, and blocks them.
  • Apply best CI/CD methodologies across the SDLC: containerized deployment, K8S, automation etc.
  • Act as a technical focal point and mentor for team members on OS internals and cyber-security best practices.


  • 5+ years’ experience writing C/C++: Win32, POSIX, kernel.
  • 3+ years’ experience with C#/.NET-Core in cross-OS architecture.
  • 3+ years’ experience writing scalable backend services in microservices/SOA architecture.
  • Excellent understanding of OS internals and networking.
  • Significant experience developing cyber security products’ technology / pentest / hacking.
  • Passionate, innovative, and thorough: research, invent and implement!
  • BSc/MSc in computer science / electrical engineering, or equivalent.
  • Excellent communicator with good spoken and written English.


  • Analytical mind with problem-solving attitude.
  • Ability to work independently.
  • Excellent organizational and leadership skills.
  • Enjoy working in a collaborative development environment.
  • Be innovative, but always productive and result driven.
  • Excellent communication and team collaboration skills. Clearly communicate status, roadblocks, and concerns to the team on an ongoing basis.
  • Ability to work and deliver independently.
  • Possess commercial experience mentoring younger developers.


  • Deep understanding of networking products: switches, firewalls, data-center management etc.
  • Hacking and pen-testing experience.
  • Experience building scalable cloud-based backends: Azure/AWS/GCP.
  • SQL / NoSQL proficiency; PostgreSQL;
  • Frontend code with Angular, React or similar.
  • Understanding of Agile principles and methodologies.
  • Experienced in the cybersecurity industry.


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