AWS Infrastructure Specialist

Lisbon, Portugal
Research & Development – *Global /
Full-time /
On-site
We are seeking a highly skilled and certified AWS Infrastructure Specialist to design, implement, manage, and optimize our cloud-based infrastructure on Amazon Web Services (AWS). The ideal candidate will have deep technical knowledge of AWS services, infrastructure automation, cost optimization, security best practices, and scalable architecture. You will work closely with DevOps, Security, Development, and Operations teams to ensure high availability, performance, and security of our cloud environments.

Key Responsibilities:

    • Infrastructure Design & Deployment
    • Design and implement secure, scalable, and highly available AWS cloud infrastructure.
    • Develop Infrastructure as Code (IaC) using tools such as Terraform, AWS CloudFormation, or CDK.
    • Architect VPCs, subnets, route tables, NAT gateways, and private/public network segmentation.
    • Deploy compute resources using EC2, ECS, Lambda, and EKS based on use-case requirements.
    • Operations & Monitoring
    • Maintain and optimize cloud environments for performance, scalability, and cost.
    • Implement monitoring and logging solutions using AWS CloudWatch, CloudTrail, X-Ray, and third-party tools (e.g., Datadog, Splunk).
    • Ensure effective backup, disaster recovery, and incident response strategies are in place.
    • Security & Compliance
    • Implement and enforce security best practices, including IAM policies, KMS, S3 bucket policies, and data encryption.
    • Conduct regular security assessments, vulnerability scanning, and patch management.
    • Support compliance with relevant frameworks such as ISO 27001, SOC 2, or HIPAA.
    • Automation & CI/CD
    • Develop and manage CI/CD pipelines using tools such as AWS CodePipeline, Jenkins, GitLab CI, or GitHub Actions.
    • Automate deployment, scaling, and management of containerized applications using ECS/EKS.
    • Streamline infrastructure provisioning, code deployments, and testing.
    • Collaboration & Documentation
    • Collaborate with DevOps, Developers, and Security teams to align infrastructure with application requirements.
    • Create detailed documentation of architecture designs, operational procedures, and incident reports.
    • Provide technical mentorship to junior team members and contribute to internal knowledge sharing.

Required Qualifications:

    • AWS Certification: Must hold at least one professional-level certification such as:
    • AWS Certified Solutions Architect – Professional
    • AWS Certified DevOps Engineer – Professional
    • Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience).
    • 3–6 years of hands-on experience in AWS infrastructure and cloud architecture.
    • Strong understanding of core AWS services: EC2, S3, RDS, IAM, VPC, CloudFront, Route 53, etc.
    • Proficiency with infrastructure automation and configuration management tools (e.g., Terraform, Ansible).
    • Experience with containerization technologies (Docker, Kubernetes) and orchestration with EKS/ECS.
    • Familiarity with scripting and automation (Bash, Python, PowerShell).

Preferred Qualifications:

    • Experience with hybrid cloud or multi-cloud environments.
    • Knowledge of AWS Well-Architected Framework and Cloud Financial Management (CFM) practices.
    • Familiarity with DevSecOps principles and tools.
    • Background in system administration (Linux/Windows), networking, or cybersecurity.
    • Experience working in Agile/Scrum environments.

Soft Skills:

    • Strong problem-solving and troubleshooting abilities.
    • Excellent communication and documentation skills.
    • Proactive, self-motivated, and able to work independently or in a team.
    • Able to manage multiple priorities in a dynamic environment.
We thank all applicants for their interest; however, only those selected for an interview will be contacted. FreeBalance is an inclusive employer dedicated to building a diverse workforce to increase the representation of the designated groups based on each country’s legislation. We encourage applications from all qualified candidates and will accommodate applicants’ needs under the respective labour law throughout all stages of the recruitment process.