Job Summary: The Mid-Level DevOps Engineer will operate, maintain, and evolve critical multi-region cloud infrastructure, ensuring stability, scalability, and high availability of production environments. Key Highlights: 1. Direct involvement in development, staging, and production environments 2. Strategic position for system continuity and reliability 3. Focus on automation and high availability in cloud infrastructure Technomar is a Brazilian technology-based company with over 20 years of experience serving the largest Brazilian companies in the Navigation, Ports, and Offshore sectors. As a specialist in high-complexity engineering, we are a reference in developing vessel maneuvering simulators, maritime traffic monitoring, naval engineering projects, and innovation. We are a young, innovative, and highly technology-intensive company. Our team comprises approximately 50 professionals, mostly engineers and technology developers. The **Mid-Level DevOps Engineer** role will primarily focus on operating, maintaining, and evolving critical multi-region cloud infrastructure. This role requires ensuring stability, scalability, automation, and high availability of production environments, demanding strong expertise in Infrastructure as Code (IaC), production-grade Kubernetes cluster administration, and CI/CD pipeline management based on GitOps practices. This is a strategic position for the company’s system continuity and reliability, involving direct work across development, staging (UAT), and production environments to guarantee integrity and performance of technological operations. **Responsibilities and Duties** Primary Tech Stack: * IaC: Terraform (workspaces, modules, remote state in S3) + Ansible (60+ playbooks) * Cloud: AWS (EC2, VPC, IAM, EBS, ALB) — multi-region (us-east-2, sa-east-1) * Orchestration: Kubernetes (kubeadm, Calico CNI, Kustomize, Helm) * CI/CD: Jenkins + ArgoCD (GitOps, app-of-apps pattern) + Harbor (private registry) * Databases: PostgreSQL HA (Bitnami/StackGres/Citus), MongoDB Sharded, Redis Cluster, RabbitMQ, Kafka * Observability: SigNoz + ClickHouse, Prometheus + Grafana, ELK Stack, OpenTelemetry * DNS/SSL: Cloudflare + cert-manager (Let's Encrypt) * Networking: NGINX Ingress, AWS Load Balancer Controller, MetalLB Responsibilities: * Provision and maintain AWS infrastructure via Terraform * Create and maintain Ansible playbooks for service installation/upgrades * Operate production Kubernetes clusters (upgrades, scaling, troubleshooting) * Maintain CI/CD pipelines and GitOps workflows * Monitor and respond to infrastructure and application alerts * Manage SSL certificate lifecycle and credential rotation * Enhance observability and alerting stack **Requirements and Qualifications** Education: Bachelor’s degree in Computer Science / Computer Engineering / Information Systems / Software Engineering; Mandatory Requirements: * 2+ years of hands-on Terraform experience in production environments; * 2+ years of hands-on Ansible experience (playbooks, roles, dynamic inventories); * Solid production experience with Kubernetes (not limited to local/minikube); * Experience with AWS (EC2, VPC, IAM, S3, EBS); * Familiarity with Helm charts and GitOps (Argo CD or similar); * Experience with at least one relational database in HA configuration, preferably PostgreSQL; * Linux proficiency (troubleshooting, networking, systemd); * Availability to participate in on-call rotations; Desirable Technical Requirements: * Experience with StackGres/Citus (distributed PostgreSQL) * Experience with SigNoz or OpenTelemetry * Knowledge of MongoDB Sharded / Kafka * Experience with multi-cloud (AWS + OCI) Behavioral Competencies: * High sense of responsibility; * Strong analytical ability and logical reasoning; * Emotional control under pressure; * Operational organization and discipline; * Clear technical communication; * Proactivity and autonomy; **Additional Information** Employment Type: CLT employment contract Work Model: Hybrid, with a minimum of three days per week onsite at our office — Av. Pedroso de Morais 631 — Pinheiros, São Paulo — SP; Working Hours: Monday to Friday, from 09:00 to 18:00; **Benefits:** Meal/Voucher Allowance: R$ 858.00/month | Transportation Voucher with legal 6% payroll deduction | Health Insurance with 10% plan cost deduction | Dental Insurance at no cost | Life Insurance | Wellhub | Annual bonus aligned with company goals. Technomar is an engineering company designed to deliver high-tech-content (HTC) products and services, with emphasis across various domains of Naval and Oceanic Engineering. Technomar develops Maritime Navigation Simulators, Vessel Traffic Service (VTS) systems, and Engineering Solutions for Oil & Gas exploration.