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25madison is a leading global venture platform specializing in both building and investing.
Senior Infrastructure Engineer – DevOps / Production / AWS
Location
New York
Posted
105 days ago
Salary
$145K - $190K / year
Seniority
Senior
Job Description
Senior Infrastructure Engineer – DevOps / Production / AWS
25madison
• Own uptime (99.9%+), observability, incident response, and root cause analysis • Deep AWS stack: EC2 (including GPU), ECS/Fargate, SQS, Lambda, S3, CloudFront, API Gateway, RDS/DynamoDB — plus VPC design, IAM, autoscaling, and monitoring • Build the plumbing: retry logic, idempotency, checkpointing, parallel orchestration • Chase down performance problems: Queue bottlenecks, cold starts, LLM latency, runaway costs • Help the team ship faster: CI/CD, infrastructure-as-code (Terraform/CDK/Pulumi), clean containerization, and proper staging environments
Job Requirements
- 8+ years in infrastructure / DevOps / production engineering
- Deep AWS expertise (not just “used it” — architected at scale)
- Experience running production ML or AI systems
- Experience with asynchronous distributed systems
- Strong knowledge of: ECS / Fargate, EC2 (including GPU instances), SQS, S3, VPC networking, and IAM best practices
- Strong understanding of: Containerization (Docker), CI/CD pipelines, Infrastructure as Code and observability systems
- Experience debugging production incidents and designing fault-tolerant systems
Benefits
- Competitive comp
- Meaningful equity
- Genuine shot at defining how AI agents operate in production
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