Senior/Staff Cloud Engineer (d/f/m)

Short Facts

Join us on our journey at flexa: We are looking for a driven Senior/Staff Cloud Engineer (d/f/m) to design, build, and scale our AWS-native IT architecture. Your technical expertise in real-time AWS services and your ambition to make an impact will be crucial as we build an industry-leading platform for energy system optimization. You will play a key role in critical infrastructure projects, establishing a vision for where we should be, working with the team to deliver it ensuring compliance with stringent security and operational standards. If you’re smart, ambitious, and ready for a role with rapid growth potential, we want to hear from you.

• Location: Munich, Germany
• Employment Type: Full-Time, indefinite term
• Salary Range: € 95.000 - 135.000 per year gross depending on the seniority level
• Office-first work setup
• Language Requirement: C1 Level English

Your Responsibilities

• Architect and Lead: Define and own the long-term cloud architecture vision, ensuring alignment with business goals while guiding the evolution of our AWS-native infrastructure from concept to production.
• Technical Leadership: Mentor and influence engineering teams across the organization, promoting cloud-native best practices, setting coding standards, and fostering a culture of operational excellence.
• Infrastructure as Code at Scale: Drive the design and implementation of highly automated, resilient, and secure IaC frameworks to ensure rapid deployment and minimal downtime.
• End-to-End Platform Ownership: Oversee the full architecture of the platform—data ingestion, data processing, control systems, and user-facing applications—ensuring performance, maintainability, and extensibility.
• Security and Compliance Leadership: Champion best-in-class security practices and ensure compliance with critical infrastructure and regulatory requirements, embedding security deeply into every stage of the development lifecycle.
• Operational Excellence: Establish organization-wide monitoring, observability, and incident management practices that maximize system resilience and enable proactive performance improvements.
• Cross-Functional Collaboration: Partner closely with product managers, data engineers, ML engineers and developers to align technical solutions with business priorities, bridging strategic needs with scalable cloud architectures.
• Strategic Foresight: Anticipate future technical challenges and scalability needs, identifying opportunities to reduce complexity, improve cost efficiency, and accelerate innovation across the platform.

Your Profile

Mandatory requirements

• 5+ years of hands-on experience in cloud engineering or software engineering, with at least 3**+ years of deep, hands-on expertise in AWS** cloud platforms, building and scaling production-grade infrastructure.
• Proven experience in defining and evolving cloud architecture at scale, with ownership across multiple systems, services, or platforms.
• Strong background in software engineering, with expertise in one or more programming/scripting languages (e.g., Python, Go, Bash), and ability to set coding standards for cloud-related tooling.
• Deep knowledge of AWS services such as API Gateway, DynamoDB, Lambda, IAM, ECS, EKS, CloudFormation, and the ability to select and apply the right services to complex business problems.
• Demonstrated experience supporting containerized applications and microservices architectures, including orchestration, CI/CD, and automated deployment strategies.
• Hands-on expertise in Infrastructure-as-Code (Terraform, Pulumi, or AWS CDK), with experience implementing IaC frameworks and governance at an organizational scale.
• Strong experience in security, compliance, and operational excellence, with a track record of embedding these practices into production systems.
• Ability to **influence cross