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Join a manufacturing leader with over 50 years of excellence, where every role contributes to building reliable transportation solutions that people depend on everyday across the United States and Canada. At ENC, we prioritize safety, quality, innovation, collaboration, and continuous growth - creating vehicles our teams can take pride in.
Founded in 1975, ENC (ElDorado National - California) is a leading U.S. transportation manufacturer specializing in design, engineering, and end-to-end production of heavy-duty buses, shuttles, and cargo vehicles through a custom-build, mixed-model assembly process. Each vehicle is produced in our purpose-built facility in Riverside, California supporting public agencies and private transportation providers nationwide. We offer one of the industry's widest portfolios of power options, including 100% battery-electric, diesel-electric hybrid, CNG, and clean diesel.
ENC is committed to revitalizing American manufacturing through innovation, customer focus, and the delivery of high-quality vehicles that keep communities connected, supported, and moving forward.
Software Engineer III
Location: Riverside, CA
Salary Range: $120,000 - $145,000
Position Summary
The Software Engineer III is responsible for the design, development, testing, and troubleshooting of software systems and applications, particularly in the area of control system development for Electric Vehicles (EVs). This role requires collaboration with various teams, including international teams, to ensure that software and systems operate efficiently, reliably, and securely.
In addition, the engineer will mentor and support junior developers while working closely with cross-functional teams and external partners to drive the development and implementation of new software solutions. Maintaining clean, well-documented code while adhering to best practices in software quality, security, and performance is essential.
Key Responsibilities:
This list of essential duties is not all-inclusive and may be expanded to include other duties, as management may deem necessary from time to time. The team member must be able to perform each essential job duty identified below satisfactorily. Reasonable accommodations may be made to enable qualified individuals with disabilities to perform the essential duties of this position unless doing so would create an undue hardship.

• Develop and manage Electric Vehicle (EV) software requirements and specifications.
• Design and implement software systems and components for applications and platforms using tools such as MATLAB/Simulink.
• Develop and execute testing and diagnostics for software products and systems, primarily for EV applications.
• Troubleshoot software-related issues in components, communication, and vehicle systems.
• Resolve complex technical challenges in component development, system integration, and deployment.
• Improve software engineering processes through standardized procedures, documentation and related tools.
• Proactively mitigate project delays by providing short-term solutions for design/implementation issues.
• Support system configuration, including installation, training, and setup for end-users or internal stakeholders.
• Collaborate with cross-functional teams (e.g., Sales, Manufacturing, Service) to design, implement, and troubleshoot new technologies/features.
• Participate in business travel (30%) for engineering purposes, including international trips (e.g., to China) as needed.

Position Requirements:

• Bachelor's degree in software engineering or a related field (required). Equivalent education or experience may be considered.
• 5+ years of experience in Software Engineering.
• 3+ years of hands-on experience with software design tools (e.g., Simulink, Stateflow)
• 3+ years of hands-on experience with data logging & analysis tools (e.g., CANalyzer)
• Proven track record in troubleshooting and optimizing complex vehicle software systems.
• Hands-on experience in vehicle control software, preferably EV controls (e.g., VCU, BMS).
• Familiarity with cross-functional project management tools (e.g., JIRA, Confluence).
• Technical Knowledge & Documentation
  • Practical knowledge in software engineering & automotive engineering
  • Skills in translating vehicle-level requirements into software requirements.
  • Proficient in creating software design documents (e.g., High-Level Design, SRS, UML)
• Software Design & Implementation
  • Profound knowledge of vehicle software design and development.
  • Experience in implementing high-quality, reliable, and standards-compliant software code (e.g., MISRA, MAAB).
  • Proficiency with software development tools (e.g., MATLAB/Simulink, GitHub).
  • Strong Model-Based Development (MBD) skills for software implementation.
• Software Problem-Solving Skills
  • Expertise in root cause analysis for vehicle system failures, particularly in EV systems.
  • Strong debugging and troubleshooting skills for embedded software.
  • Proficiency in analyzing and interpreting software performance metrics (e.g., execution time, CPU load).
• Quality & Safety Compliance
  • Strict adherence to software safety standards and regulations (e.g., ISO26262)
  • Precision-focused approach to software validation
  • Implementation of quality control measures for software systems
• Project Execution
  • Ability to manage multiple software design projects
  • On-time delivery of software system solutions
  • Effective communication with cross-functional engineering teams
• Lab & Testing Skills
  • Hands-on experience with software test equipment (e.g., Simulink Test)
  • Knowledge of the unit testing and mitigation techniques
  • Prototyping and validation of software systems
• Continuous Improvement
  • Optimization of software designs for cost/performance
  • Implementation of process improvements in software development
  • Staying current with software engineering advancements

Preferred Qualifications:

• Advanced degree (Master's/PhD) or certification in Software Engineering or related technologies is a plus.
• Experience in the automotive industry is highly desirable.

Work Environment:
This is an onsite position based in Riverside, CA and requires being onsite.
Benefits:

• Comprehensive benefits package: Medical (including FSA & HSA), dental, vision, life and disability insurance, EAP, mental health, and wellness programs
• 401(k) with employer match
• Paid time off and twelve (12) paid holidays
• Employee referral program
• Career growth and development opportunities

Career Growth at ENC
We believe great careers and leaders are built from within. Many of our team members have advanced into roles that lead or into specialized technical positions. We invest in hands-on training, skill development, and long-term career pathways within manufacturing operations.
Equal Opportunity Employer
ElDorado National California Inc. (ENC) is an equal opportunity employer and considers all qualified applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, genetic information, or any other protected class under applicable federal, state, and local laws. We are committed to fostering a diverse and inclusive workplace where all employees feel valued and respected.
ENC takes affirmative action to employ and advance employment opportunities for minorities, women, protected veterans, and individuals with disabilities. We actively encourage qualified candidates from all backgrounds to apply and join our team.
ENC is also committed to ensuring that individuals with disabilities have equal access to opportunities. If you require a reasonable accommodation to complete the application process, please contact HR Department for assistance.
In accordance with California's wage transparency law (Senate Bill 1162), we are committed to pay equity and transparency. The salary range reflected on the job positing is our good faith estimate of what we expect to pay for this role at the time of posting. While we do not typically hire at the top of the salary range, initial offers are based on the candidate's qualifications and experience, with opportunities for growth and increases over time.