Pentangle Tech Services | P5 Group · 7 hours ago
System Test Engineer - Battery
Milwaukee, WI
Contract
Onsite
Mid LevelPentangle Tech Services is seeking a highly skilled Systems Test Engineer to define, develop, integrate, and validate Li-ion and ultracapacitor battery systems for automotive applications. This role is responsible for ensuring system compliance with OEM specifications and regulatory requirements while leading system-level integration, verification, and validation activities.
EducationHuman ResourcesStaffing AgencyTraining
Hiring Manager
Talha Ali
Responsibilities
Define, develop, and integrate Li-ion and ultracapacitor energy storage systems in compliance with OEM and regulatory standards
Apply in-depth knowledge of Li-ion battery system functionality, safety, and performance to support system design and validation
Define electrical, thermal, and mechanical interfaces between battery packs, ultracapacitor modules, and Battery Management Systems (BMS)
Lead and execute Design Verification (DV) and Production Validation (PV) activities
Develop, maintain, and execute Design Verification Plans and Reports (DVP&R) to ensure comprehensive system validation
Support Hardware-in-the-Loop (HiL), Software-in-the-Loop (SiL), and system-level validation activities
Perform system lifecycle studies, thermal modeling, and electrical load analysis for predictive performance assessment
Develop and execute system integration, verification, and validation plans
Execute system-level tests, analyze results, and drive root cause analysis and issue resolution
Act as a technical liaison across systems, electrical, mechanical, thermal, software, and safety engineering teams
Support DFMEA, system safety processes, failure analysis, and design reviews
Interface with OEM customers to ensure technical alignment and successful program execution
Prepare and maintain technical documentation, test procedures, and validation reports
Qualification
Required
Hands-on experience with system integration and testing of power electronics, such as DC-DC converters and battery systems
Strong understanding of Li-ion battery and/or ultracapacitor technologies
Experience with low-voltage automotive energy storage systems (12V–48V)
Knowledge of automotive communication protocols such as CAN and LIN
Proficiency with requirements management and validation tools (e.g., Jama, IBM DOORS)
Familiarity with automotive standards, functional safety (ISO 26262), and regulatory requirements
Strong understanding of the V-Model development process, especially verification and validation phases
Experience using test and validation equipment such as: Oscilloscopes, Power analyzers, CAN tools, Data loggers
Ability to interpret electrical schematics, system requirements, and test data
Experience with Battery Management Systems (BMS) and/or power conversion modules
Background in DFMEA, DVP&R, and system safety processes
Experience with environmental, mechanical, and electrical testing associated with Li-ion battery and ultracapacitor systems
Preferred
Experience working directly with automotive OEMs or Tier-1 suppliers
Knowledge of thermal simulation tools and electrical system modeling software
Experience with regulatory testing (EMC, vibration, thermal shock, abuse testing)
Familiarity with ASPICE or other automotive development process frameworks
Company
Pentangle Tech Services | P5 Group
Pentangle Tech Services is the fastest-growing Engineering Services Firm.
51-200 employees
H1B Sponsorship
Pentangle Tech Services | P5 Group has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (93)
2024 (36)
2023 (9)
2022 (24)
2021 (9)
2020 (2)
Funding
Current Stage
Growth StageLeadership Team
Sarthak Patel
Chief Executive Officer
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