Lead AI Infrastructure Engineer (C/C++)

ContentBuffer; Palo Alto (CA); On-site; USD 220,000 - 357,000; Full time

Benefits offered by this job

Equity

Medical, Vision, and Dental

401(k) retirement plan

Disability insurance

Life insurance

Employee discounts

Job summary

SpaceXSI in Palo Alto leads the Grok AI training infrastructure, building a scalable software stack to train Grok models across vast GPU clusters. You will guide the engineering team, shape training architectures, and collaborate with kernel, networking, and hardware engineers to deliver reliable, high-throughput systems.

The role emphasizes C/C++ expertise, hands-on systems programming, and leadership to drive architectural decisions, prototypes, and milestone-driven development in a demanding

Qualifications

• Bachelor’s degree in computer science, engineering, math, or technical discipline.
• Hands-on systems programming experience in C or C++.
• 3+ years of software engineering experience OR 1+ years of C/C++ experience at SpaceX.

Responsibilities

• Develop reliable, performant, and maintainable software responsible for training Grok models in our world-class compute clusters.
• Provide technical direction for future training architectures and hardware designs.
• Work closely with other model engineers, kernel engineers, network engineers, hardware design engineers, platform engineers, and site ops engineers.
• Develop prototypes to prove out key design concepts and quantify technical constraints.
• Lead planning efforts for the team, working with key stakeholders in other teams and management to develop milestones and execute to them.

Skills

C/C++ programming

Systems programming

Team leadership

Education

Bachelor's degree in CS/engineering/math/technical field

Job description

SpaceXSI in Palo Alto leads the Grok AI training infrastructure, building a scalable software stack to train Grok models across vast GPU clusters. You will guide the engineering team, shape training architectures, and collaborate with kernel, networking, and hardware engineers to deliver reliable, high-throughput systems.

The role emphasizes C/C++ expertise, hands-on systems programming, and leadership to drive architectural decisions, prototypes, and milestone-driven development in a demanding