Remote L3 Support Engineering Lead — AI Cloud

Nebius; United States; Remote; USD 180,000 - 224,000; Full time

Benefits offered by this job

Health insurance

401(k) plan

Parental leave

Remote work reimbursement

Disability & life insurance

Job summary

Nebius is seeking an L3 Support Engineering Lead to guide a small, distributed team delivering advanced customer issue resolution. This hands-on role blends technical investigations with day-to-day leadership, ensuring escalations carry full context and that teams stay aligned as Nebius grows.

You will partner with L2, pre-sales, post-sales, customer engineering, product and engineering teams to push platform excellence.

Qualifications

• Strong hands-on experience troubleshooting complex production, cloud or infrastructure-related issues.
• Experience leading technical work, mentoring engineers or coordinating a small team or task force.
• Clear and confident communication with customers, engineers and cross-functional stakeholders.
• Strong working knowledge of Linux environments.
• Experience with Kubernetes and container-based platforms.
• A practical understanding of infrastructure fundamentals, including networking and storage.
• Familiarity with block, file and object storage and the ability to investigate issues across these technologies
• Sound judgment when working through ambiguous or high-impact technical problems.
• The ability to organize work, set priorities and keep multiple stakeholders aligned.
• You do not need to be an expert in every technical area. We are looking for someone with broad familiarity across the following domains and deeper expertise in at least one: AI/ML ops (deployment, fine-tuning, inference, troubleshooting); GPU/HPC workloads (Slurm); Kubernetes & stack; Cloud infra, networking & storage.
• Fluent written and spoken English.
• Added bonus: experience with GPU cloud infra or AI/ML workloads; model deployment troubleshooting; Python or Bash scripting; 24/7 distributed teams.

Responsibilities

• Lead and support a small, distributed team of L3 Support Engineers.
• Plan, prioritize and distribute work based on customer impact, technical complexity and team capacity.
• Provide technical guidance and hands-on support for complex or high-impact customer issues.
• Coach engineers, share knowledge and help the team become increasingly independent.
• Build strong working relationships with L2, pre-sales, post-sales, customer engineering, product and engineering teams.
• Ensure escalations include technical context, evidence and customer information for the next team.
• Determine whether issues belong to platform, customer environment or another area, and escalate appropriately.
• Maintain high standards for troubleshooting, documentation, handoffs and customer communication.
• Identify recurring issues and gaps in tooling, docs, processes or team knowledge; drive improvements.
• Support planning, coverage and forecasting as the organization grows.
• Participate in scheduled operational duties; occasional non-standard hours may apply.
• Contribute to hiring and onboarding as the team expands.

Skills

Troubleshooting complex production/exp

Leadership/Mentoring engineers

Clear communication with customers &跨

Linux environments

Kubernetes & container platforms

Networking & storage fundamentals

Block, file & object storage

Judgment in ambiguous high-impact tech

Organization & prioritization

Broad domain familiarity with depth in

Tools

Kubernetes tooling

Linux tooling

Slurm scheduling

Cloud networking & storage tooling

Job description

Nebius is seeking an L3 Support Engineering Lead to guide a small, distributed team delivering advanced customer issue resolution. This hands-on role blends technical investigations with day-to-day leadership, ensuring escalations carry full context and that teams stay aligned as Nebius grows.

You will partner with L2, pre-sales, post-sales, customer engineering, product and engineering teams to push platform excellence.