Siemens Energy

We are expanding our Digital Core team and are looking for an API Expert & Product Manager who can combine hands-on API consulting/architecture with end-to-end API product ownership. You will contribute in defining API strategy and roadmap, lead contract-first API design, guide delivery, adoption, and operations for enterprise APIs used across Siemens Energy and partner ecosystems.

How You’ll Make an Impact

·        Run technical deep-dive and architecture sessions with internal stakeholders, customers, and partners; translate needs into API product requirements and a delivery roadmap.

·        Own the full API product lifecycle: discovery, definition, design, build, launch, evolution (versioning), and retirement/deprecation planning.

·        Define and maintain API product strategy: target consumers, value proposition, success metrics, and release planning (MVP to scale).

·        Lead API contract design (OpenAPI / AsyncAPI) and ensure contract-driven development, validation with stakeholders, and backward compatibility.

·        Drive API governance: standards, documentation quality, security/compliance requirements, versioning, and developer experience practices.

·        Partner with architects, product owners, business analysts, and development teams to design, develop, test, and deliver APIs and downstream integrations (e.g., SAP ERP/S/4, Salesforce).

·        Ensure APIOps automation for configuration and releases (CI/CD), test coverage, peer reviews, and high code quality.

·        Set up and track KPI dashboards for adoption, reliability, performance, security/compliance, and developer experience; use insights to prioritize improvements.

·        Establish support and operations readiness: SLAs/SLIs/SLOs, incident management, escalation, client communications, and post-incident reviews.

·        Act as a technical evangelist for API patterns and best practices; coach and mentor team members across distributed teams.

Key Responsibilities

API Product Strategy & Roadmap

·        Perform use-case discovery and consolidation with multiple stakeholder groups; assess business value hypotheses and prioritize the backlog.

·        Define product specification including functional scope, non-functional requirements (performance, availability, scalability), and delivery plan.

·        Plan launch and adoption strategy: communication plan, onboarding approach, and enablement materials for consumers.

API Design, Governance & Developer Experience

·        Design and review APIs and upgrades to comply with enterprise standards; ensure clear naming, vocabulary alignment, and consistent patterns.

·        Author and maintain API contracts and documentation (developer portal/catalog); create use-case driven tutorials, examples, and reference guides.

·        Validate designs with guidelines and stakeholders using mocking/prototyping where applicable; ensure implementation matches the approved contract.

·        Define access models, authentication/authorization, privacy controls, and threat mitigations aligned to OWASP API security risks.

Delivery, Platform Enablement & Operations

·        Coordinate delivery across squads; remove blockers and quickly resolve requirement gaps and design discrepancies.

·        Configure and operate API management capabilities (quotas, rate limits, access tiers) in partnership with platform engineering; automate via pipelines.

·        Monitor production usage and performance; investigate unexpected usage patterns and drive improvements in contract, docs, or implementation.

·        Plan and execute API evolution: versioning strategy, migration support, dual-run/testing windows, and transition monitoring.

·        Plan endpoint/API retirement: deprecation notices, timelines, migration paths, and stakeholder communications.

What You Bring

·        4–8+ years of experience in API management / integration, with proven ownership of API products (strategy through operations).

·        Strong API design and contract skills: OpenAPI (Swagger), AsyncAPI; familiarity with REST, GraphQL, gRPC, and event-driven patterns.

·        Hands-on experience in enterprise API governance, documentation, security/compliance, API operations, and performance optimization.

·        Experience building/maintaining an API catalog/developer portal and improving developer experience (documentation, examples, onboarding).

·        Solid understanding of microservices architecture and integration patterns; ability to translate business processes into reusable APIs.

·        Experience with integration of packaged enterprise systems (e.g., SAP ERP/S/4, Salesforce) and modern iPaaS/integration platforms (e.g., SnapLogic).

·        Strong troubleshooting and debugging skills; comfort collaborating with developers on contract testing and CI/CD automation.

·        Excellent communication, stakeholder management, and workshop facilitation skills; ability to influence outcomes across distributed teams.

·        Bachelor’s or Master’s degree in Computer Science/IT (or equivalent practical experience).

Nice to Have

·        Experience defining and measuring API KPIs across adoption, reliability, security/compliance, and developer satisfaction.

·        Experience with APIOps (Git-based workflows, contract testing, policy-as-code) and API lifecycle tooling.

·        Scripting/programming experience for automation (e.g., Python, JavaScript/TypeScript).

Working Model

You will work with global teams to support Siemens Energy internal and external customers and help scale API adoption across multiple business areas.

Who is Siemens Energy?

At Siemens Energy, we are more than just an energy technology company. With ~100,000 dedicated employees in more than 90 countries, we develop the energy systems of the future, ensuring that the growing energy demand of the global community is met reliably and sustainably. The technologies created in our research departments and factories drive the energy transition and provide the base for one sixth of the world's electricity generation.

Our global team is committed to making sustainable, reliable, and affordable energy a reality by pushing the boundaries of what is possible. We uphold a 150-year legacy of innovation that encourages our search for people who will support our focus on decarbonization, new technologies, and energy transformation.

Find out how you can make a difference at Siemens Energy:

Our Commitment to Diversity

Lucky for us, we are not all the same. Through diversity, we generate power. We run on inclusion and our combined creative energy is fueled by over 130 nationalities. Siemens Energy celebrates character – no matter what ethnic background, gender, age, religion, identity, or disability. We energize society, all of society, and we do not discriminate based on our differences.

Rewards/Benefits

• Under our motto #BetterTogether, we offer our employees the opportunity to work flexibly and remotely. But our offices also leave nothing to be desired and offer space for inspiring collaboration and creativity.
• Our people are our most valuable asset. We in Siemens Energy care for your good health & wellbeing. Accordingly, we offer ‘Home Collection based Preventive Health Check-up’ to our employees and their family.
• The professional and personal development of our employees is very important to us. We give them the opportunity to learn and develop in a self-determined way. Various attractive programmes and measures are available for this purpose.
• Flexi Pay empowers employees with the choice to customize the amount in some of the salary components within a defined range thereby optimizing the tax benefits. Accordingly, each employee is empowered to decide on the best Possible net income out of the same fixed individual base pay on a monthly basis.

We value equal opportunities and welcome applications from people with disabilities.