Avionics Embedded Cybersecurity Developer (m/f/d)

Unternehmen : Polaris Raumflugzeuge Gmbh

Auftragstyp : Vollzeit

Bremen, Germany

Arbeitsbeschreibung - Avionics Embedded Cybersecurity Developer (m/f/d)

Why us?

POLARIS Raumflugzeuge GmbH develops innovative transportation systems that redefine access to space for payloads and passengers. We are continuing to expand our team and are looking to fill the position of Avionics Embedded Cybersecurity Developer (m/f/d).

Your mission

We are seeking an Embedded Cybersecurity Developer with strong embedded programming experience and deep expertise in securing avionics systems. This role focuses on chip level security, cryptographic implementation, and secure data transmission between onboard systems and ground stations.

Develop secure embedded avionics software in C/C++ on NuttX, Linux, and RTOS platforms
Implement and optimize cryptographic algorithms including AES, SEED, SHA based hashing, ECC/RSA, and custom bit level handlers for secure data processing
Design secure communication flows for chip to ground station data transmission, including encryption, authentication, key exchange, and integrity validation
Develop secure boot, firmware integrity checks, key storage, and hardware rooted trust mechanisms
Perform threat modeling, vulnerability analysis, penetration testing, and risk assessments for embedded avionics systems
Secure sensor drivers and communication interfaces (I²C, SPI, UART, CAN, Ethernet) against spoofing, tampering, and replay attacks
Work with microprocessors, microcontrollers, SoCs; FPGA security experience is a plus
Ensure compliance with aviation cybersecurity standards (DO 326A, DO 356A, DO 355) and align with DO 178C/DO 254 processes
Support SIL/HIL testing with a focus on validating security critical behaviors
Produce documentation including security cases, threat reports, encryption design specs, and mitigation plans
Use GitHub/GitLab for secure development workflows, CI/CD, and code reviews

Your profile

Bachelor’s/Master’s in Cybersecurity, Computer Engineering, Electrical Engineering, Embedded Systems, or related field
5+ years in embedded software development, with 2+ years in embedded cybersecurity
Strong proficiency in C/C++, secure coding, and real time embedded systems
Hands on experience with AES, SEED, ECC/RSA, HMAC, key management, and bit level cryptographic operations
Experience securing MPUs, MCUs, SoCs; FPGA security knowledge is a plus
Familiarity with avionics standards: DO 326A/356A/355, DO 178C, DO 254
Understanding of communication protocols (CAN, Ethernet, SPI, I²C) and their security implications
Experience with DOORS/Polarion, GitHub/GitLab, and CI/CD security tooling
Strong analytical, communication, and cross functional collaboration skills
Familiarity with flight simulation environments and navigation systems
Scripting (Python/PowerShell) for automation
Strong communication skills and ability to work in cross functional, global teams
Proactive, flexible, and motivated mindset; start up experience is a plus

What we offer

Long-term prospects with a permanent employment contract
Being part of an international, highly motivated team
Flat hierarchies and short decision-making processes
Flexible working hours
Use of our company fitness program with EGYM Wellpass
Take benefit of attractive employee discounts through Corporate Benefits
The opportunity to contribute your ideas and actively shape the company

Join us in shaping the future of space transportation and making a positive impact. If your profile fits our requirements, apply now by sending your complete application portfolio, including CV, certificates and a cover letter outlining your relevant experience and why you are the ideal candidate for this role.

About us

Our mission is to pioneer a new era of space transportation by flying to space and back like an aircraft — taking off and landing at airports, and reusing our spaceplanes for hundreds of missions. We combine unprecedented cost efficiency with unique flexibility and safety, enabling breakthrough advances in both space transportation and hypersonic flight. This vision is currently pursued by almost 80 employees every day.

At POLARIS we value on-site collaboration, so we generally do not offer home office. Please apply only if you feel comfortable with this working model – it saves valuable time for everyone involved.

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