Principal Engineer (Nitro System, EC2)

Location: Berlin, Germany

Company

hirify.global's EC2 organization builds the Nitro System that powers secure, high-performance cloud computing for millions of customer instances.

What you will do

• Define the technical roadmap for the Nitro Hypervisor, Nitro Card components, and EC2 Core Platforms.
• Architect and implement virtualization features for Intel, AMD, and Graviton instance families.
• Lead development of Nitro Card firmware bundles and system services running on virtualization hardware.
• Design confidential computing capabilities, including Nitro Enclaves, memory encryption, and cryptographic attestation.
• Investigate complex production issues across hypervisor, firmware, hardware, and control plane interactions.
• Mentor engineers, lead architecture and design reviews, drive kernel upgrades, and support operational excellence through on-call participation.

Requirements

• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent experience.
• Professional software development experience building scalable production systems.
• Systems programming experience with C, C++, or similar low-level languages.
• Experience with systems software, embedded systems, or distributed systems.
• Experience leading technical initiatives across multiple teams and delivering software through the full development lifecycle.
• Openness to using AI tools and technologies to improve productivity and technical problem-solving.

Nice to have

• Master's degree or Ph.D. in Computer Science, Engineering, or a related field.
• Firmware development experience with BIOS, UEFI, or embedded systems.
• Background in hardware-software co-design, platform engineering, high-performance computing, real-time systems, or bare-metal optimization.
• Experience mentoring engineers and delivering complex cross-functional projects from concept to production.

Culture & Benefits

• Collaboration across firmware, hardware, control plane, service, and external engineering organizations.
• Work on systems delivering near bare-metal performance with industry-leading security.
• Exposure to international collaboration, including teams on the US West Coast.
• Focus on technical excellence, continuous learning, and sustainable engineering practices.