Senior Site Reliability Engineer

OpenKrill; United States; On-site; USD 130,000 - 210,000; Full time

Benefits offered by this job

Competitive salary

Initial stock options grant

Annual performance bonus

Health, dental, and vision plans

Remote work environment with hybrid</n

Continuous learning opportunities

Unlimited PTO

Paid parental leave

Growth opportunities

Job summary

Félix is seeking a Senior Site Reliability Engineer to join our Platform Engineering team. This hands-on role focuses on shifting security left, automating infrastructure, and maturing DevSecOps practices to empower developers to ship secure code quickly.

You will manage GCP/GKE-based infrastructure, build automations with Terraform, Helm, and scripting languages, and drive reliability with SLOs/SLIs. Remote-friendly with optional hybrid work in Miami or Mexico City.

Qualifications

• 4+ years of experience as a SRE/Platform Engineer.
• Strong hands-on experience with GCP and GKE.
• Proficiency in Kubernetes (architecture, deployments, networking, and troubleshooting).
• Solid programming or scripting skills in Go, Python, or Bash.
• Proficiency with Docker and Linux.

Responsibilities

• Manage and optimize infrastructure on Google Cloud Platform (GCP) and Google Kubernetes Engine (GKE).
• Automate provisioning and configuration using Terraform, Helm, and scripting languages such as Go, Python, and Bash.
• Build, maintain, and improve monitoring and alerting systems using OpenTelemetry standards.
• Participate in on-call rotations, incident response, and post-mortem analyses, ensuring rapid recovery and continuous learning from failures.
• Define and track SLOs/SLIs and error budgets to monitor service health and performance.
• Implement cloud security best practices to protect sensitive data and maintain the integrity of our systems.
• Collaborate across Engineering, Security, and Product teams to embed reliability and automation in every phase of development and deployment.
• Contribute to GKE cost optimization and resource management strategies to enhance efficiency and control operational spend.

Skills

SRE experience

GCP & GKE

Kubernetes

Go/Python/Bash

Docker & Linux

Terraform

Helm

GitHub Actions

Prometheus & Grafana

Incident management

Networking basics

PostgreSQL databases

FinOps awareness

Cloud security

CKA

DevSecOps mindset

Tools

Terraform

Helm

Docker

GitHub Actions

Job description

About Us

At Félix, we are building the indispensable financial companion for Latinos in the US. We combine an AI-powered, conversational-first interface with real-time financial infrastructure to make cross-border money movement as easy as sending a text. Starting with fast, affordable remittances powered by AI and crypto rails, we are expanding into credit, savings, and wallet services to support the complete immigrant financial journey. Our ambition is to deliver a white-glove financial experience with the simplicity of a conversation to a community the traditional financial system has historically overlooked.

We are a hyper-growth Series C company, backed by over $300 million in funding from top-tier global investors, including Andreessen Horowitz, QED, Castle Island, Switch Ventures, HTwenty, Monashees, General Catalyst Customer Value Fund. This isn't just about the numbers; it's a testament to the trust our investors have in our vision and our team. Additionally, Félix was selected as an “Endeavor Entrepreneur” and was a recipient of the CrossTech Fintech Startups Award.

Joining Félix means you will be part of a team building a legacy, a company that will outlive us all. This is a rare opportunity to apply your skills to a deeply meaningful mission—serving a community that has been underserved for too long because we are obsessed with our customers. We get things done with urgency and focus, driven by extreme ownership over our impact. We collaborate without ego, fostering radical transparency and fierce loyalty so we can grow together. Because we aim for insanely great rather than just good enough, we stay insatiably curious—always experimenting, building the future today, and delivering a product that truly makes our users' lives better.

About the Role

As a Senior Site Reliability Engineer you will be a critical part of our Platform Engineering team. You will be responsible for creating automations to provide velocity to product engineering . This is a hands-on role for a builder who is passionate about shifting security left and empowering developers to ship secure code, quickly and confidently. You will be instrumental in maturing our DevSecOps practices, building out our automations.

Responsibilities

• Manage and optimize our infrastructure on Google Cloud Platform (GCP) and Google Kubernetes Engine (GKE).
• Automate provisioning and configuration using Terraform, Helm, and scripting languages such as Go, Python, and Bash.
• Build, maintain, and improve monitoring and alerting systems using OpenTelemetry standards
• Participate in on-call rotations, incident response, and post-mortem analyses, ensuring rapid recovery and continuous learning from failures.
• Define and track SLOs/SLIs and error budgets to monitor service health and performance.
• Implement cloud security best practices to protect sensitive data and maintain the integrity of our systems.
• Collaborate across Engineering, Security, and Product teams to embed reliability and automation in every phase of development and deployment.
• Contribute to GKE cost optimization and resource management strategies to enhance efficiency and control operational spend.

Requirements

• 4+ years of experience as a SRE/Platform Engineer.
• Strong hands-on experience with GCP and GKE.
• Proficiency in Kubernetes (architecture, deployments, networking, and troubleshooting).
• Solid programming or scripting skills in Go, Python, or Bash.
• Proficiency with Docker and Linux
• Experience with Terraform
• Experience with Helm
• Experience with GitHub Actions
• Strong understanding of monitoring and observability using Prometheus, Grafana, and logging frameworks.
• Familiarity with incident management, on-call operations, and post-mortem processes.
• Knowledge of network fundamentals (TCP/IP, DNS, Load Balancing).
• Experience with PostgreSQL or distributed databases.
• Awareness of FinOps and cloud cost management principles.
• Excellent problem-solving, communication, and collaboration skills, with a proactive mindset.
• GCP certifications, such as Professional DevOps Engineer or Cloud Architect.
• Certified Kubernetes Administrator (CKA).
• Experience in FinOps, cloud security, or regulated industries.
• Familiarity with PagerDuty or similar incident management tools.
• Background implementing SLOs/SLIs and error budgets in production environments.
• These are the applicable requisites, although equivalent competencies in any of the above will also be considered.

What We Offer

• Competitive salary
• Initial stock options grant
• Annual performance bonus
• Health, dental, and vision plans
• Remote work environment, although we have offices in Miami and México City and would love to work in hybrid model if you are up to it.
• Continuous learning opportunities
• Unlimited PTO
• Paid parental leave
• Empowering opportunities for growth in a dynamic entrepreneurial environment

Equal Opportunity Employer

At Félix, we are committed to providing equal employment opportunities to all qualified employees and applicants without regard to race, religion, nationality, sex, sexual orientation, gender identity, age, or disability. This policy applies to all terms and conditions of employment, including recruitment, hiring, placement, promotion, training, compensation, benefits, and termination.

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