Positron
Platform Software Architect, Senior / Staff
$200K–$350K
Remote (United States) · Remote · Staff · Full-time · Posted Aug 3, 2026
- Experience
- 10+ years in low-level platform software, firmware, operating systems, runtimes, device drivers, compilers, or adjacent systems.
- Visa sponsorship
- Candidates must be currently authorized to work in the U.S.; no new visa sponsorship is available, but H-1B transfers may be facilitated for eligible candidates.
About the job
Defines and leads cross-generation hardware/software architecture for Positron’s AI accelerator platforms, from interface specifications through prototypes and system integration.
What you'll do
- Specify stable, versioned interfaces across silicon, firmware, operating systems, runtimes, simulation, security, and host/device interaction.
- Integrate platform components, lead architecture reviews, document decisions, and drive cross-team issues to closure.
- Prototype high-risk interfaces, mentor senior engineers, and partner on security and performance architecture.
What they ask for
- Deep understanding of computer architecture, memory systems, concurrency, device I/O, hardware/software interfaces, and system bring-up.
- Strong C or C++ skills.
- Architecture-level ownership and ability to influence multiple engineering teams without reporting authority.
- Ability to translate ambiguous goals into precise interfaces, milestones, and testable system behavior.
Nice to have
- Experience with AI accelerators, GPUs, networking or storage ASICs, or other high-performance devices.
- Experience spanning pre-silicon models, emulation, first silicon, and production software; familiarity with trusted boot, model protection, distributed inference, KV-cache systems, or performance modeling.
Pay
$200,000 – $350,000 USD base salary
Tools
C, C++, GOLD, Asimov, libasimov, Linux, Terminus, Titan
AI focus
Architects platform software for AI inference silicon, including current and future accelerator generations.
Model-written summary · the original posting is authoritative