Remote Senior Cybersecurity Network Engineer

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. 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. You work in both software engineering and operations, understanding what runs where and how to configure the infrastructure to smoothly deliver great service to our clients
You love resolving issues related to latency, scalability, and performance of core infrastructure
The thing that really floats your boat is making systems better, not just building new stuff
You are a curious, proactive learner who explores emerging technologies and evaluates their practical application within our infrastructure
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
Take part in our on-call rotation for production systems as needed
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

This role is categorized into three compensation tiers based on location, with the following expected annual on-target earnings (base salary + commission):
Medical, dental, and vision insurance; Flexible time off; One-time home office set-up stipend; 401(k) retirement plan with company match. This position is also eligible for incentive stock options, subject to the terms of Fluxx’s applicable stock plans.
We pride ourselves on having a diverse workforce, and we do not discriminate against any employee or applicant because of race, creed, color, religion, gender, sexual orientation, gender identity/expression, national origin, disability, age, genetic information, veteran status, marital status, pregnancy or related condition, or any other basis protected by law. It is our policy to comply with all applicable national, state, and local laws pertaining to nondiscrimination and equal opportunity.