Senior Cost Engineer, Electromechanical

Number of employees


United States, California, Irvine, United States

Posted on: 2022-07-06

Category: emobility

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Employment type:

Full time

Experience required:



Salary not provided

About the company:

Doing something different is never easy. It requires courage, optimism and grit. Core to our mission is building a team of adventurous individuals determined to make a positive impact on the world. This means challenging ourselves constantly. Stretching beyond the bounds of conventional thinking. Reframing old problems. Seeking new solutions. And operating comfortably in a space of uncertainty. While our backgrounds are diverse, our team shares a love of the outdoors and a desire to protect it for future generations. Do you like doing the impossible? We’d love to hear from you.

Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. 

As a company, we constantly challenge what’s possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it for future generations. 

The Senior Cost Engineer, Electromechanical is a core member of FAB4 teams: Engineering, Purchasing, Finance, and Cost Engineering. This position is expected to Identify the most efficient way to meet performance specifications for high voltage, low voltage, and electrotechnical assemblies on current and future electric BEV vehicles. Another key responsibility is to identify lower cost, lower complexity, and lower carbon alternatives to traditional electronic and electromechanical BEV systems. The Senior Cost Engineer will also supply cost data from the early design phase through sourcing, prototyping, and final supplier sourcing of parts and assemblies. The primary focus is HV, SoCs, controllers, inverters, traction motors, and other electronics but this role will also need to support stampings, plastics, assembly, and other vehicle subsystems.

The Senior Cost Engineer will support all electronics-related content of the BEV vehicle. The role goes beyond cost estimating of designed parts to working with FAB4 teams to optimize the electrical design and assembly of future BEV vehicles. 


  • Collaborate with engineering, purchasing, finance, design, and plant operations
  • Develop cost models, estimates, targets, make/buy, and ad hoc analyses
  • Promote green technologies: electric propulsion, lightweight/sustainable/environmentally friendly solutions
  • Interface with engineering, purchasing, and suppliers to reduce cost, weight, and timing
  • Work with engineering on a design to target approach in early product development planning
  • Ability to interact closely with electrical design engineering, software engineers, mechanical
  • engineers and related procurement buyers.
  • Subject matter expert in electronics but also estimates other areas due to interconnected parts/subsystems and overall department workload


To successfully perform the typical tasks and duties of the position, the knowledge, skills, and/or abilities listed below are required:

  • Two to five years of direct OEM experience are required and two to five years of Tier-1 manufacturing experience is preferred.
  • Sales and or purchasing experience is a plus.
  • Electronics component cost knowledge includes but is not limited to discrete electronics, memory, printed circuit boards, SoCs, etc.
  • Strong knowledge of high voltage electromechanical vehicle systems as well as more traditional low voltage vehicle wiring, controllers, displays, sensors, cameras, etc.
  • Experience with electric drive, power conversion, and onboard charging systems.
  • Working knowledge of the latest silicon carbide inverter technologies.
  • In-depth knowledge of high voltage battery safety requirements.
  • Ground-up piece price and tooling experience in more than one of the following: low voltage and high voltage electronics, electronic control units, electric motors, battery packs, etc.
  • Experience in cost model creation, design to target, RFQ analysis, and negotiation
  • Create ground-up cost estimates for low voltage and high voltage electronics, electronic control units, electric motors, battery packs, etc.
  • Ground-up costing experience in more than one of the following: electronics, plastics, stamping, casting, machining, final assembly, interiors, seats, IPs, powertrain, etc.
  • Capability to independently create a BoM & BoP on a given commodity/design and assign a cost
  • Ability to thrive in and embrace a fast-paced environment
  • Excellent communication and collaborative skills.
  • Strategic thinking skills and detail-oriented work habits


Bachelor’s degree in Electrical Engineering, Economics, and or Finance is preferred


Employees must be within a commutable distance to an assigned Rivian workplace location (or future location) and expected to report to this location on a regular cadence decided in partnership with the Hiring Manager. This can also include the ability to travel determined by project and business needs. 

Equal Opportunity

Rivian is an equal opportunity employer and complies with all applicable federal, state, and local fair employment practices laws. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, ancestry, sex, sexual orientation, gender, gender expression, gender identity, genetic information or characteristics, physical or mental disability, marital/domestic partner status, age, military/veteran status, medical condition, or any other characteristic protected by law.

Rivian is committed to ensuring that our hiring process is accessible for persons with disabilities. If you have a disability or limitation, such as those covered by the Americans with Disabilities Act, that requires accommodations to assist you in the search and application process, please email us at [email protected].

Candidate Data Privacy

Rivian may collect, use and disclose your personal information or personal data (within the meaning of the applicable data protection laws) when you apply for employment and/or participate in our recruitment processes (“Candidate Personal Data”). This data includes contact, demographic, communications, educational, professional, employment, social media/website, network/device, recruiting system usage/interaction, security and preference information. Rivian may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law. 

Rivian may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our People Team, Finance, Legal, and the team(s) with the position(s) for which you are applying; (ii) Rivian affiliates; and (iii) Rivian’s service providers, including providers of background checks, staffing services, and cloud services. 

Rivian may transfer or store internationally your Candidate Personal Data, including to or in the United States, Canada, the United Kingdom, and the European Union and in the cloud, and this data may be subject to the laws and accessible to the courts, law enforcement and national security authorities of such jurisdictions.  


Please note that we are currently not accepting applications from third party application services.

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