Onsite _System Requirements Engineer || Glendale, WI

THEMESOFT; Glendale (WI); On-site; USD 90,000 - 130,000; Full time

Job summary

Themesoft Inc. in Glendale, WI is seeking a senior Requirements Engineer for system-level Battery Management and energy storage programs.

The role is onsite under a 6-12 month contract, requiring deep expertise in elicitation, analysis, and traceability of stakeholder requirements for Lithium-Ion and Super Capacitor systems. You will collaborate with customers, system architects, software, hardware, validation, and cybersecurity teams to ensure compliance with ASPICE SYS.1, capture acceptance

Qualifications

• Experience in requirements elicitation and traceability.
• Knowledge of ASPICE SYS.1 and SYS.2 concepts.
• Experience with lithium-ion battery systems and BMS functionality.
• Ability to collaborate across hardware, software, validation and cybersecurity teams.

Responsibilities

• Analyse and formalize stakeholder requirements for Battery Systems per customer and safety needs.
• Define attributes, acceptance criteria, assumptions, constraints, and rationale.
• Maintain bidirectional traceability between stakeholder and system requirements.
• Collaborate with customers and multi-disciplinary teams to ensure accurate capture.
• Support baselining, configuration management, and ASPICE SYS.1 compliance.
• Participate in workshops and requirement negotiations for product development.

Skills

Requirements elicitation

Stakeholder analysis

Requirements analysis

ASPICE SYS.1

Traceability

System requirements

Tools

DOORS

Jama

Cameo

Job description

Job Id : OOJ - 27804

Posted Date : 10/26/2026

Experience : 6-6

Job Type : Contractual

Location : GLENDALE

Overview :

Location:Glendale, WI- Onsite
WorkArrangement:Onsite
EmploymentType:Contract
ContractDuration:6-12 Months

KeyResponsibilities

Role Descriptions:

• Analyse, elicit, clarify, and formalize stakeholder requirements for Lithium-Ion Battery Systems, Super Capacitor Modules (SCAP), and Battery Management Systems (BMS) based on customer, vehicle, regulatory, safety, cybersecurity, and business needs. Capture, document, and maintain system requirements in compliance with ASPICE SYS.1.
• Define requirement attributes, acceptance criteria, assumptions, constraints, and rationale. Perform requirements analysis to ensure completeness, consistency, feasibility, testability, and traceability.
• Manage stakeholder requirement reviews, clarifications, change requests, and impact assessments. Establish and maintain bidirectional traceability between stakeholder requirements and system requirements.
• Collaborate with customers, system architects, software, hardware, validation, functional safety, and cybersecurity teams to ensure stakeholder expectations are accurately captured and communicated.
• Support requirement baselining, configuration management, and compliance with Automotive SPICE assessment expectations for SYS.1 work products.
• Participate in customer workshops, technical reviews, and requirement negotiation activities for Lithium-Ion and Super Capacitor product development programs.

Essential Skills:

• Strong expertise in requirements elicitation, stakeholder analysis, requirement specification, requirement quality assessment, requirement traceability, and change management.
• Strong knowledge of Lithium-Ion battery systems, Super Capacitor modules, and Battery Management System (BMS) functionality including SOC, SOH, SOP, cell balancing, thermal management, power management, charging/discharging behavior, diagnostics, and protection functions.
• Experience with ASPICE SYS.1 process implementation and work products.
• Ability to analyze customer specifications, standards, and regulations and convert them into clear, unambiguous, verifiable stakeholder requirements. Strong communication, negotiation, and customer-facing skills.

Desirable Skills:

• Knowledge of ISO 26262 Functional Safety and ISO/SAE 21434 Cybersecurity concepts.
• Experience with low-voltage (12V/24V/48V) and high-voltage battery systems.
• Exposure to Super Capacitor applications, Sodium-Ion battery technologies, and automotive electrification programs.
• Experience working with global OEMs and Tier-1 suppliers. Familiarity with ASPICE SYS.2 and requirements-driven development practices.

Keyword:

ASPICE SYS.1, Stakeholder Requirements, Requirements Elicitation, Requirements Analysis, Requirements Management, Battery Management System, BMS, Lithium-Ion Battery, Li-Ion, Super Capacitor, SCAP, Energy Storage System, Requirement Traceability, Requirement Review, Change Management, DOORS, Jama, Automotive Systems Engineering.

Skills:

Systems Engineering, Cameo, BMS, Li-Ion, Super Capacitors, Na-Ion

Experience Required:

6+ Years (Minimum 4 years of experience in Automotive Systems Engineering, Requirements Engineering, BMS, Lithium-Ion Battery Systems, or Super Capacitor product development)

Work Authorization

Applicants must be legally authorized to work in the United States.

Equal Employment Opportunity

Themesoft Inc is an Equal Employment Opportunity employer. We consider qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other status protected by applicable federal, state, or local law.

Skills :

REQUIREMENTS MANAGEMENT,THERMAL MANAGEMENT,REQUIREMENTS ANALYSIS,POWER MANAGEMENT,STAKEHOLDER ANALYSIS,SAE,CHANGE MANAGEMENT