Systems Engineer - Energy Storage & BMS Design

magniX USA Inc; Everett (WA); On-site; USD 130,000 - 175,000; Full time

Benefits offered by this job

Health insurance

Vacation & holidays

401K plan with company match

Life insurance & disability insurance

Company events

Job summary

magniX USA Inc. is seeking a Systems Engineer to join the Energy Storage Systems team in Everett, WA.

The role focuses on designing and validating the ESS with emphasis on BMS and charging controls, including battery simulation and DO-178/DO-254/DO-160 regulatory alignment. Responsibilities span requirements capture, verification, system integration, and collaboration with suppliers and customers to ensure robust validation and compliant performance across the product lifecycle.

Qualifications

• Bachelor's degree in Systems Engineering, Aerospace Engineering, Electrical Engineering, Mechanical Engineering, or related field.
• 3+ years of systems, controls, or BMS engineering experience in aerospace or safety-critical industries.
• Knowledge of systems engineering principles, requirements management, verification, and validation.
• Experience with Python for automation, analysis, or modeling.
• Hands-on experience developing BMS or charging control features and algorithms.
• Working knowledge of Li-ion battery fundamentals, chemistries, and degradation mechanisms.

Responsibilities

• Be involved in systems engineering activities to develop, integrate, and qualify our Energy Storage System (ESS).
• Perform/lead requirements-based verification activities, supporting team members and contractors.
• Prepare the Test Request documents, Verification Test Reports (VTR), and Traceability Matrix.
• Work with internal and external teams, customers, and suppliers throughout our product development cycle to manage requirements plans, system validation, and verification.
• Support the validation, verification, and testing plan execution for DO-178, DO-254, DO-160, and FAA regulatory compliance.
• Manage the requirements change process, identifying customers' priorities and recording conflicts between individual requirements.
• Design, develop, and validate BMS control features including contactor and pre-charge sequencing, cell balancing, and charge/discharge management, together with their fault detection behavior.
• Develop and simulate charging strategies across the ESS operating envelope, including the control interactions between the ESS and ground charging equipment.
• Build, correlate, and maintain system simulation models for operational modes and states behavior.
• Analyze ESS data to characterize system and cell behavior to root cause anomalies.
• Contribute to thermal and coolant-loop analysis for the ESS and support the development of system requirements for charging thermal management.

Skills

Systems engineering

BMS engineering

Python for automation

Battery fundamentals

CAN communication

Education

Bachelor's degree in Systems/Electrical/Aerospace/Mechanical Engineering

Tools

Simulink/Stateflow

Jama/DOORS

CAN tools (CANalyzer/Canoe)

Job description

magniX USA Inc. is seeking a Systems Engineer to join the Energy Storage Systems team in Everett, WA.

The role focuses on designing and validating the ESS with emphasis on BMS and charging controls, including battery simulation and DO-178/DO-254/DO-160 regulatory alignment. Responsibilities span requirements capture, verification, system integration, and collaboration with suppliers and customers to ensure robust validation and compliant performance across the product lifecycle.