Embedded Software Engineer - Cybersecurity

Harmattan AI is a next-generation defense prime building autonomous and scalable defense systems. Following the close of a $200M Series B, valuing the company at $1.4 billion, we are expanding our teams and capabilities to deliver mission-critical systems to allied forces.

Our work is guided by clear values: building technologies with real-world impact, pursuing excellence in everything we do, setting ambitious goals, and taking on the hardest technical challenges. We operate in a demanding environment where rigor, ownership, and execution are expected.

We are looking for a highly technical Embedded Software Engineer specialized in Cybersecurity to define, implement, and verify security measures across our platforms. In this role, you will work directly with embedded software teams, system architects, and product owners to ensure secure design, secure implementation, and compliance with defense-grade cybersecurity expectations.

You will help shape how security is integrated from hardware up through the application layer, influence secure architectural decisions, and drive compliance activities across diverse product lines.

Define and specify secure embedded architectures such as secure boot, firmware updates, and key management

Implement and integrate core cybersecurity features in embedded software (e.g., cryptographic primitives, secure storage, PKI)

Collaborate with engineering teams to embed security into design and implementat