Infrastructure Security Engineer
About Us: Modal provides the infrastructure foundation for AI teams. With instant GPU access, sub-second container startups, and native storage, Modal makes it simple to train models, run batch jobs, and serve low-latency inference.
What this role actually needs.
About Us: Modal provides the infrastructure foundation for AI teams. With instant GPU access, sub-second container startups, and native storage, Modal makes it simple to train models, run batch jobs, and serve low-latency inference. Responsibilities: - Design and improve isolation mechanisms for multi-tenant workloads (containers, sandboxing, execution environments) - Strengthen boundaries between customers, workloads, and internal systems - Identify and mitigate risks in distributed, dynamic compute environments - Secure and harden containerized workloads and orchestration systems (e.g., Kubernetes or similar) - Improve workload isolation, scheduling boundaries, and runtime protections - Evaluate tradeoffs in multi-tenant execution models Requirements: - Experience securing cloud-native infrastructure and distributed systems in production - Background in infrastructure, backend, or security engineering - Experience working in multi-tenant or high-scale environments - Strong understanding of containerization and orchestration systems (e.g., Kubernetes or similar) - Experience designing or securing isolation mechanisms in multi-tenant systems - Solid understanding of authentication, authorization, and service identity models Company context: Modal is the serverless compute platform built specifically for AI and Python workloads.
Day-to-day expectations
Modal Labs lists these responsibilities for the Infrastructure Security Engineer role.
- Design and improve isolation mechanisms for multi-tenant workloads (containers, sandboxing, execution environments)
- Strengthen boundaries between customers, workloads, and internal systems
- Identify and mitigate risks in distributed, dynamic compute environments
- Secure and harden containerized workloads and orchestration systems (e.g., Kubernetes or similar)
- Improve workload isolation, scheduling boundaries, and runtime protections
- Evaluate tradeoffs in multi-tenant execution models
What a strong candidate brings
These requirements are extracted from the source listing and normalized for UpJobz readers.
- Experience securing cloud-native infrastructure and distributed systems in production
- Background in infrastructure, backend, or security engineering
- Experience working in multi-tenant or high-scale environments
- Strong understanding of containerization and orchestration systems (e.g., Kubernetes or similar)
- Experience designing or securing isolation mechanisms in multi-tenant systems
- Solid understanding of authentication, authorization, and service identity models
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Infrastructure Security Engineer is framed against UpJobz source checks, country scope, compensation visibility, and work-authorization signals so candidates can make a faster go/no-go decision.
United States tech market
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Compensation read
$150K - $270K is visible before the click, so candidates can compare the role against local market expectations before applying.
Work authorization read
Current extracted signal: Open to TN, H-1B, and OPT candidates already in the United States. UpJobz treats this as a search signal, not legal advice, and links visa-sensitive roles back to the relevant visa hub where possible.
Location read
On-site roles in New York City should be compared against commute, local salary bands, and nearby employer demand.
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- Tailor your resume around ai and llm instead of sending a generic application.
- Use the first two bullets of your application to connect your background directly to infrastructure security engineer is a high-signal on-site role in new york city, and it is most realistic for open to tn, h-1b, and opt candidates already in the united states.
- Open the role quickly if it fits and bookmark three similar jobs before you leave the page.
Interview themes
Watchouts
- $150K - $270K is visible, so calibrate your application around the posted range.
- Use open to tn, h-1b, and opt candidates already in the united states as part of your positioning so the recruiter does not have to infer it.
- Show concrete examples of succeeding in on-site environments.
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Apply through the employer source
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Source: jobs.ashbyhq.com · Source ID: 8de60620-09bf-4905-910f-a290814a29ee · Confidence: 92/100 · Last checked: May 7, 2026
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