Senior Infrastructure Engineer

Fluxx is looking for a highly motivated Senior Infrastructure Engineer to join our Engineering team. As a Senior Infrastructure Engineer, you'll own the infrastructure and pipelines behind the leading grants management software for philanthropy, the platform that connects Donors and Doers. Collaborating closely with Engineering, you'll build, deploy, and secure our infrastructure while playing a key role in setting technical direction. You'll lead projects across CI/CD, our delivery and orchestration platform, and monitoring and logging. You'll also be responsible for infrastructure resilience and cloud costs as part of the team. This is a full-time, exempt, and remote position. Candidates must be located in the United States.

Responsibilities

Automate our infrastructure and operational processes with infrastructure as code and standard tooling; Own our CI/CD pipelines, image builds, and GitOps deployments with ArgoCD; Keep our fleet patched and current, from OS updates to Kubernetes and managed-service upgrades; Build monitoring and alerting that catches problems before customers do; Partner with our security team to protect our systems and customer data, support SOC 2 compliance, and work security findings through to their remediation; Build self-serve tools for Engineering to reduce bottlenecks and dependencies; Work with engineering teams to make our services reliable, secure, and scalable; Take part in our on-call rotation for production systems as needed

Requirements

4+ years of professional software development and infrastructure operations experience; Deep professional experience managing Kubernetes in production, including creating manifest templates for services, deployments, and other application components; Significant experience writing and using Terraform code to deploy production infrastructure on AWS; Significant experience managing the full lifecycle of AWS services such as EKS, RDS, Elasticsearch, and WAF, including version upgrades, scaling, and failover; Familiarity with Azure and cross-cloud infrastructure; Experience with AI coding tools (Claude Code, Cursor, Codex, or similar) to streamline development workflows and use them as a force multiplier

Benefits

Medical, dental, and vision insurance; Flexible time off; Paid sick leave; 12 weeks of fully-paid parental leave; Annual learning and development stipend; Internet stipend; One-time home office set-up stipend; 401(k) retirement plan with company match; Eligible for incentive stock options, subject to the terms of Fluxx's applicable stock plans