Senior Cloud Engineer (d/f/m)

Über diese Stelle

Join us on our journey at flexa: We are looking for a driven Senior 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

• 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.

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-functional teams and mentor engineers, providing technical leadership beyond direct project contributions.

• Proven track record of delivering complex, mission-critical solutions in dynamic, fast-paced environments.

• Exceptional analytical, problem-solving, and strategic thinking skills, with the ability to anticipate scaling and reliability challenges before they occur.

• Deep experience configuring and maintaining monitoring and alerting solutions such as Grafana or Prometheus;
Skills that set you apart

• Experience in the energy sector.
This role may not be a fit for you if…
You thrive in a steady, unchanging environment rather than a fast-paced, ambitious setting driven by rapid growth and high-impact outcomes.

At Entrix, we are committed to diversity - of backgrounds and experiences. You don’t need 100% of the preferred qualifications to add incredible value to our team. If you’re passionate about what you could accomplish here, we’d love to hear from you.

• Competitive Compensation Package: Including salary, benefits, and potential for growth.

• Professional Development: Annual development budget of €3,000 for coaching, training, books, etc.

• Health & Sport Subsidy: Company-subsidized sports facility memberships.

• Public Transportation Subsidy: Monthly subsidy for your public transport ticket.

• Lunch/Dinner Allowance Vouchers: Digital meal vouchers for workdays.

• Work Equipment: Your choice of MacBook or Windows Laptop and ergonomic workplace setup.

• Regular Team Events: Knowledge sessions, afterwork hangouts, sports events, and company offsites.

Nawojka Schmidt, Software Engineering Manager - flexa

Hi there!
I’m Nawojka Schmidt, Software Engineering Manager at flexa. My engineering background sits at the intersection of core software development, platform infrastructure, and data systems - giving me a broad view of how to build and scale modern technical ecosystems.
Before joining flexa, I spent 7 years as a manager in tech consulting. Working across a wide variety of industries allowed me to stay deeply hands-on across different domains. I’ve spent time designing software applications, setting up reliable…