Sr. DevOps Engineer

Sunbit•New York, NY

9d•$150,000 - $195,000•Hybrid

About The Position

Sunbit is seeking an experienced, independent Senior DevOps Engineer to join its centralized DevOps team. The role is described as a 50/50 “Build vs. Run” position: building modern automation and improving developer experience and operational excellence while maintaining secure, highly available production environments from server infrastructure through the application layer. The position is based in Jersey City, New Jersey, with three days per week on-site, and reports to the Head of Infrastructure. The engineer will own CI/CD automation, Terraform-based infrastructure, AWS accounts, and multi-cluster Kubernetes environments. They will partner with backend teams on scalable microservices and datastore performance, use AI-powered development tools to accelerate infrastructure delivery, and maintain mission-critical fintech services with a stated 99.9% uptime goal. The role includes driving observability strategy and participating in a weekly on-call rotation. Sunbit describes itself as a financial technology company offering pay-over-time services and a credit card. Its platform uses AI systems for decisioning, fraud checks, and personalized offers. The company cites people-centered values including serving others, inclusion, genuine connection, and innovation. Compensation is targeted at $150,000–$195,000 per year, with company equity via stock options.

Requirements

At least 5 years of experience managing high-scale production systems.
Deep knowledge of AWS services, security best practices, and account management.
Expert-level experience with Kubernetes (EKS) and Docker.
Proficiency with Terraform and at least one high-level language: Python, Go, or Bash.
Solid understanding of DevOps aspects of MySQL/RDS and MongoDB, including scaling, backups, and performance tuning.
Strong experience with monitoring and logging stacks such as Datadog, Grafana, or Prometheus.
Strong communication skills and a collaborative, problem-solving attitude.

Nice To Haves

Experience with security tools and practices including firewalls, WAF, IPS/IDS, and SELinux.
Familiarity with data tools such as Kafka, Spark, Snowflake, or data lakes.
Familiarity with hybrid or multi-cloud architectures.

Responsibilities

Design and implement CI/CD automation flows that streamline the path from code to production.
Evolve Terraform-based Infrastructure-as-Code to be more modular and self-service for developers.
Collaborate with backend teams to architect scalable microservices and optimize RDS and MongoDB performance.
Use AI-powered development tools such as Cursor and Claude Code to automate toil and accelerate infrastructure delivery.
Own the company’s AWS accounts and multi-cluster Kubernetes environments.
Manage and fine-tune live production environments, with a goal of ensuring 99.9% uptime for mission-critical services.
Drive the observability strategy using tools such as Datadog and Grafana to identify issues proactively.
Participate in a weekly on-call rotation as a first line of defense for platform reliability.