Principal Quality Assurance Engineer (m/f/d)

Fluence Energy, LLC; Erlangen; Vor Ort; EUR 90.000 - 130.000; Vollzeit

Zusammenfassung

Fluence Energy, LLC is seeking a Principal Quality Assurance Engineer to validate gigawatt-scale BESS software and ensure high availability of control software. You will own an established automation ecosystem, focus on end-to-end validation, grid-forming integration, and advanced HIL testing.

Responsibilities include managing the automation stack, improving performance, expanding containerized simulations, and leading SAFe-aligned agile processes across teams.

Qualifikationen

• 8+ years of software quality assurance in energy storage, power systems, or industrial controls.
• Experience with end-to-end validation of complex power systems and HIL testing.

Aufgaben

• Automation ecosystem management: maintain, enhance, and scale automated testing frameworks.
• Performance engineering: identify and mitigate latency outliers in Rust/Python test environments.
• Infrastructure & simulation: manage containerized Docker models and HMI performance tests.
• Integrated HIL testing: execute and refine HIL API tests for grid-forming applications.
• Commissioning & integration: support live remote commissioning across Modbus, MQTT, PostgreSQL.
• Agile leadership: drive SAFe adoption across engineering teams and enforce process discipline.
• Technical leadership: lead workshops, mentor engineers, and document best practices.
• Quality metrics: improve test coverage, reliability, and CI/CD efficiency.

Kenntnisse

Python

SAFe Agile

HIL testing

Rust

CI/CD (Jenkins)

GIT

Linux/Bash

Modbus

MQTT

MATLAB/Simulink

Wireshark

Ausbildung

M.S. degree in Electrical Engineering, Computer Science, or related field

Tools

Docker

Jenkins

MATLAB/Simulink

Wireshark

Jobbeschreibung

## Principal Quality Assurance Engineer (m/f/d)Applyremote type: Hybrid (2-3 days in Office)locations: Germany - Erlangentime type: Full timeposted on: Posted Todaytime left to apply: End Date: August 31, 2026 (30+ days left to apply)job requisition id: JR101454Fluence (Nasdaq: FLNC) is a global market leader delivering intelligent energy storage and optimization software for renewables and storage. Our solutions and operational services are helping to create a more resilient grid and unlock the full potential of renewable portfolios. With gigawatts of successful implementations across nearly 50 markets, we are transforming the way we power our world for a more sustainable future. For more information, please visit fluenceenergy.com.**Job Description:**As a Lead QA Engineer at Fluence, you will play a crucial role in validating gigawatt-scale Battery Energy Storage Systems (BESS) and ensuring the high availability of our control software. Taking ownership of an established, high-performance automation ecosystem, you will focus on end-to-end validation of complex power systems, grid-forming integration, and advanced hardware-in-the-loop (HIL) testing.**Key Responsibilities:** * Automation Ecosystem Management: Maintain, enhance, and scale our existing automated testing frameworks.* Performance Engineering: Utilize our high-performance Rust and Python test environments to identify and mitigate P99.9+ latency outliers, ensuring performance for critical controls operations.* Infrastructure & Simulation: Manage and expand containerized (Docker) simulation models and HMI performance testing environments to support agile development and stress-test system responsiveness.* Integrated HIL Testing: Execute and refine HIL API integration test suites, validating grid forming applications and integrated system performance.* Commissioning & Integration Support: Serve as a technical escalation point for live remote commissioning of production sites, troubleshooting real-time integration issues across Modbus (TCP/RTU), MQTT (Sparkplug B), or PostgreSQL.* Agile Leadership: Drive the adoption and enforcement of Scaled Agile Framework (SAFe) product strategy and agile methodologies across engineering teams, acting as strong advocate for process discipline in a dynamic environment.* Technical Leadership: Lead technical workshops, mentor junior QA and systems engineers, and maintain robust process documentation to propagate best practices across the engineering teams.* Quality Metrics: Drive continuous improvement in test coverage, reliability, and CI/CD pipeline efficiency.**Minimum Qualifications:*** Education & Experience: M.S. degree in Electrical Engineering, Computer Science, or a related technical field* 8+ years of experience in software quality assurance, test engineering, or a related field within the energy storage, power systems, or industrial controls industries.* Core Skills: Strong proficiency in Python (or similar object-oriented scripting language) for test automation and system simulation. Experience working within and contributing to Agile/Scrum methodologies.* Tools: Solid experience with CI/CD pipelines (e.g., Jenkins), GIT, and Linux/Bash.* Soft Skills: Excellent ability to write technical documentation, lead cross-functional workshops, and drive issue resolution.**Required Qualifications and Experience:*** Agile Strategy: SAFe Certification (e.g., SAFe Agilist, SAFe Practitioner) or deep, proven experience implementing and scaling SAFe product strategies in complex hardware/software ecosystems.* Advanced Programming: Practical experience with \*\*Rust\*\*, particularly in the context of high-performance tooling or simulation.* Specialized Testing: Extensive background in Hardware-in-the-Loop (HIL) testing, API validation (REST/GraphQL), and HMI/SCADA performance validation.* Protocols: Deep expertise in networking and messaging protocols, specifically Modbus (TCP/RTU), OPC UA, and MQTT (Sparkplug B).* Power Systems: Familiarity with BESS control algorithms, Grid Forming Inverters, Primary Frequency Response, or power systems analysis tools (MATLAB/Simulink, Wireshark).* Infrastructure: Proficiency in Docker container creation, orchestration, and infrastructure troubleshooting.* Analysis Tools: Competency with MATLAB/Simulink and Wireshark for deep system troubleshooting.Qualified candidates are requested to submit a resume and cover letter at [e-mail] for consideration.