AWS Cloud & Kubernetes Systems Administrator

Avenue Code; Brasil; On-site; BRL 180,000 - 280,000; Full time

Job summary

Avenue Code is seeking a hands-on AWS Cloud & Kubernetes Systems Administrator to join a fast-paced engineering team supporting cloud infrastructure and containerized workloads running on AWS. In this role, you will be responsible for day-to-day administration, monitoring, troubleshooting, and optimization of AWS infrastructure and Kubernetes clusters.

You will collaborate with senior engineers to implement automation, monitoring, and security practices across cloud environments.

Qualifications

• Hands-on experience with AWS core services: EC2, VPC, S3, RDS, IAM.
• Experience monitoring with CloudWatch.
• Daily use of kubectl for cluster administration and troubleshooting.
• Experience managing Pods, Deployments, Services, Namespaces, ConfigMaps, Secrets.
• Experience troubleshooting Kubernetes workloads, resource limits, scheduling issues, and cluster health.
• Experience deploying applications using Helm.
• Knowledge of Kubernetes RBAC and namespace-level access control.
• Experience with AWS EKS.
• Strong troubleshooting, incident response, and operational support skills.
• Excellent documentation and change management practices.
• Professional English communication skills.

Responsibilities

• Manage and maintain AWS infrastructure and Kubernetes clusters.
• Monitor cloud environments and respond to alerts and incidents.
• Troubleshoot infrastructure performance issues and outages.
• Administer Kubernetes clusters and ensure workload availability.
• Manage Kubernetes resources: pods, deployments, services, namespaces, ConfigMaps, Secrets, RBAC.
• Perform deployments, rollouts, rollbacks, and updates with kubectl and Helm.
• Automate tasks using CloudFormation, AWS Systems Manager, scripting, and IaC practices.
• Support backup, disaster recovery, and business continuity for cloud workloads.
• Assist with security operations, IAM administration, vulnerability remediation, and compliance.
• Maintain infrastructure documentation and follow change management procedures.
• Collaborate with engineering and infra teams for upgrades and platform improvements.

Skills

AWS core services

CloudWatch

kubectl

Pods/Deployments/Services

Namespaces/ConfigMaps/Secrets

Helm

RBAC

AWS EKS

troubleshooting

documentation

English communication

Tools

CloudFormation

AWS Systems Manager

Terraform

kubectl

Helm

EKS

Job description

We are looking for a hands‑on AWS Cloud & Kubernetes Systems Administrator to join a fast‑paced engineering environment supporting cloud infrastructure and containerized workloads running on AWS.

In this role, you will be responsible for the day‑to‑day administration, monitoring, troubleshooting, and optimization of AWS infrastructure and Kubernetes clusters. You'll work closely with senior infrastructure leadership while following established architecture, security standards, and change management processes.

This is an excellent opportunity for someone who enjoys solving infrastructure challenges, automating operational tasks, and ensuring highly available, secure, and scalable cloud environments.

Responsibilities

• Manage and maintain AWS infrastructure, including EC2, VPC, S3, RDS, IAM, and related services.
• Monitor cloud environments using CloudWatch and respond to operational alerts and incidents.
• Troubleshoot infrastructure performance issues, outages, and system failures.
• Administer Kubernetes clusters (AWS EKS or self‑managed), ensuring cluster health and workload availability.
• Manage Kubernetes resources including pods, deployments, services, namespaces, ConfigMaps, Secrets, and RBAC.
• Perform deployments, rollouts, rollbacks, and application updates using kubectl and Helm.
• Troubleshoot Kubernetes issues such as pod failures, scheduling problems, resource constraints, and node health.
• Automate operational tasks using CloudFormation, AWS Systems Manager, scripting, and Infrastructure‑as‑Code practices.
• Support backup, disaster recovery, and business continuity processes for cloud workloads.
• Assist with security operations, IAM administration, vulnerability remediation, and compliance initiatives.
• Maintain accurate infrastructure documentation and follow established change management procedures.
• Collaborate with engineering and infrastructure teams to support upgrades, scaling, and platform improvements.

Required Qualifications

• Strong hands‑on experience with AWS core services: EC2 VPC S3 RDS IAM
• Experience monitoring AWS environments using CloudWatch.
• Daily experience using kubectl for cluster administration and troubleshooting.
• Experience managing: Pods Deployments Services Namespaces ConfigMaps Secrets
• Experience troubleshooting Kubernetes workloads, resource limits, scheduling issues, and cluster health.
• Experience deploying applications using Helm.
• Knowledge of Kubernetes RBAC and namespace‑level access control.
• Experience with AWS EKS.
• Strong troubleshooting, incident response, and operational support skills.
• Excellent documentation and change management practices.
• Professional English communication skills.

Nice To Have Skills

• AWS certifications (SysOps Administrator, Solutions Architect, or equivalent).
• Kubernetes certifications (CKA or similar).
• Python, Bash, or PowerShell scripting.
• Terraform experience.
• Experience with CI/CD pipelines deploying to Kubernetes.
• Experience with AWS Systems Manager.
• Cloud cost optimization and resource tagging strategies.
• Backup and Disaster Recovery planning and execution.
• Security hardening and vulnerability remediation.
• Experience working in highly available production environments

Avenue Code reinforces its commitment to privacy and to all the principles guaranteed by the most accurate global data protection laws, such as GDPR, LGPD, CCPA and CPRA. The Candidate data shared with Avenue Code will be kept confidential and will not be transmitted to disinterested third parties, nor will it be used for purposes other than the application for open positions. As a Consultancy company, Avenue Code may share your information with its clients and other Companies from the CompassUol Group to which Avenue Code’s consultants are allocated to perform its services.