Senior Infrastructure Engineer

Responsibilities

• Architect resilient, scalable, and secure infrastructure using cloud-native tools (AWS preferred).
• Implement alerting, logging, and tracing systems that empower teams to diagnose and resolve issues quickly.
• Partner with the Platform PM and engineers across backend, frontend, and data to set infrastructure priorities based on growth, product plans, and operational needs—and improve how services are built, tested, deployed, and operated.
• Contribute to IAM design, least-privilege access, and posture management across environments.
• Identify bottlenecks and reliability risks, and build solutions that scale with Posh’s growth.
• Coach engineers on best practices for infrastructure design, cloud efficiency, and secure deployment.
• Investigate performance and cost across cloud infrastructure, databases, data warehouses, queues, and application access patterns. Use production telemetry, profiling, and load testing to identify constraints and prioritize improvements.

Requirements

• 5+ years of experience as an Infrastructure, DevOps, or Backend Engineer.
• Extensive experience with Terraform and reusable infrastructure-as-code patterns
• Deep knowledge of
• AWS services

Preferred

• Experience with multi-region or distributed cloud systems.
• Exposure to compliance and security tooling for cloud posture management.
• Contributions to open-source infrastructure tools.

We’re looking for a

Senior Infrastructure Engineer to help design, build, and scale Posh’s cloud infrastructure as our platform grows to support millions of users every month. You’ll work closely with product engineers, data, and security teams to ensure that our systems are reliable, performant, and easy to operate.

This role combines hands-on DevOps expertise with a software engineering mindset — building automation, observability, and developer tooling that accelerates our entire organization.

This is an in-person role at our New York City office in SoHo, 5 days a week onsite.

Automate everything

Develop CI/CD pipelines and infrastructure-as-code systems (e.g., Terraform, GitHub Actions, Docker) to make deployment seamless and consistent.

What You Bring

(ECS/EC2, Lambda, CloudWatch, IAM, Kafka, SNS/SQS, etc.) and infrastructure automation (Terraform, CloudFormation).

Experience with

• CI/CD pipelines, containerization (Docker/K8s), and orchestration systems (ECS, EKS, or equivalent).
• Proficiency in J avaScript or Python, and familiarity with scripting for automation.
• Strong grasp of cloud security principles, identity and access management, and cost optimization.
• Solid understanding of networking fundamentals, observability, and system reliability.
• Excellent communication and collaboration skills; able to partner with diverse engineering teams.
• A passion for automation, scalability, and improving developer velocity

Nice to Have

Background in mentoring engineers or leading reliability initiatives.

Posh provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

Posh is committed to providing reasonable accommodations for qualified individuals with disabilities in our job application procedures. Please let us know if you need assistance or accommodation due to a disability