Senior Container Engineer

StoneX Group Inc.; São Paulo; On-site; BRL 201,000 - 312,000; Full time

Benefits offered by this job

Medical and life insurance

Public Transportation Voucher

Meal and food allowances

TotalPass or Gympass

Job summary

StoneX Group Inc. in São Paulo is seeking a Senior Cloud Platform Engineer to build and operate a scalable Kubernetes platform on Rancher/RKE2 or AKS.

You will work hands-on with cluster operations, networking, ingress, storage, and CI/CD, shaping developer experience and platform reliability. You will drive automation with Terraform, Helm/Kustomize, and Argo CD, implement GitOps, monitor observability, and collaborate with security and operations teams.

Qualifications

• 3+ years in Platform, SRE or DevOps with production Kubernetes experience.
• Experience with GitOps and CI/CD tooling (Argo CD, GitHub Actions, Azure DevOps).
• Knowledge of Infrastructure as Code (Terraform), packaging (Helm/Kustomize), and Linux basics.
• Scripting (Bash/Python) and YAML-driven workflows.
• Experience troubleshooting distributed systems with logs, metrics, traces.

Responsibilities

• Operate and maintain Kubernetes platforms (Rancher/RKE2 or AKS) incl. upgrades and HA.
• Enhance automation with Terraform, Helm/Kustomize, GitHub Actions, and self-service onboarding.
• Implement GitOps workflows with Argo CD, including safe deployments and rollbacks.
• Support container registry (ACR) with immutability and vulnerability scanning.
• Maintain platform observability with Datadog/Prometheus and dashboards.
• Participate in on-call rotation and follow security/compliance guardrails.

Skills

Kubernetes experience

CI/CD tooling

SRE / DevOps

Education

Bachelor's degree in CS/Engineering

Terraform Associate

CKA/CKAD certificates

Tools

Argo CD

GitHub Actions

Azure DevOps

Terraform

Helm

Kustomize

Job description

Overview

Connecting clients to markets, and talent for opportunity. With 4,300 employees and over 400,000 retail and institutional clients from more than 80 offices across five continents, we are a Fortune 100, Nasdaq listed provider connecting clients to global markets. We focus on innovation, human connection, and deliver world class products and services to all types of investors.

Business Segment Overview

Engage in a deep variety of business-critical activities that keep our company running efficiently. From strategic marketing and financial management to human resources and operational oversight, you’ll have the opportunity to optimize processes and implement game-changing policies.

Responsibilities

Position Purpose: As a Senior Cloud Platform Engineer on the Containers team, you’ll build, run, and continuously improve our Kubernetes platform, the foundation for application delivery. You’ll work hands-on with cluster operations, networking, ingress, storage, and core platform services, partnering closely with development, security, and operations teams to support day-to-day platform needs and drive automation through infrastructure as code and CI/CD. Using cloud-native and open-source tools, you’ll help keep the platform scalable, reliable, and secure while improving performance and developer experience so teams can ship faster and with confidence. This is a highly hands-on role where your work directly shapes developer experience and platform reliability, enabling teams across the company to ship faster, safer, and on a scale.

Primary duties will include

• Operate and maintain Kubernetes platforms (Rancher/RKE2 or AKS), including upgrades, scaling, performance tuning, backups, and HA patterns.
• Contribute to automation and golden paths by enhancing Terraform modules, Helm/Kustomize templates, GitHub Actions workflows, and self-service onboarding.
• Implement and support GitOps workflows with Argo CD, including safe deployments, rollbacks, and drift detection.
• Assist with container supply chain and registry management (ACR), including immutability and vulnerability scanning.
• Help maintain platform observability (Datadog/Prometheus, Graylog /Splunk) through dashboards, alerts, and basic SLOs.
• Partner with development and infrastructure teams for onboarding, troubleshooting, documentation, and incident response; participate in an on-call rotation.
• Follow established security and compliance guardrails (RBAC, secrets management, change controls).

Qualifications

To land this role you will need:

• 3+ years in Platform, SRE, or DevOps roles with hands-on production Kubernetes experience.
• Experience with GitOps and modern CI/CD tooling (e.g., Argo CD, GitHub Actions, Azure DevOps).
• Working knowledge of Infrastructure as Code (Terraform), packaging (Helm/ Kustomize ), and Linux/networking fundamentals.
• Scripting experience (Bash and/or Python) and comfort with YAML-driven workflows.
• Experience troubleshooting distributed systems using logs, metrics, and traces.

What makes you stand out

• Deep e xperience with Rancher/RKE2 or AKS in production environments.
• Policy-as-code leadership ( Kyverno /Gatekeeper), supply chain security (cosign, SBOMs).
• ACR governance, artifact promotion strategies, and hardened self-hosted runners.
• Experience designing or operating SOX/SOC-aligned CI/CD controls and evidence pipelines.
• Experience integrating AI/ML-driven automation into containerized infrastructure and DevOps workflows.

Education / Certification Requirements

• Bachelor’s degree in computer science, engineering, or a related field, or equivalent practical experience
• Preferred certifications: Terraform Associate, Kubernetes certifications such as CKA or CKAD
• Commitment to continual professional and technical development

Work environment

• Office located in São Paulo
• Hybrid model (4 days/week in the office, 1 day/week remote)

Benefits

• Medical and life insurance
• Public Transportation Voucher
• Meal and food allowances
• TotalPass or Gympass