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Senior Thermal Controls Engineer

Terraline
United Statesfull_timeVerifiedPosted 8 Jun 2026

About the role

Who we are:
Terraline is creating the only clean-sheet, battery-electric heavy truck that is designed for any human or autonomous driver, and is capable of exceeding 500 miles of range. The Terraline team has decades of experience in the autonomous and electric vehicle industries, most notably the Tesla and Waymo Class 8 trucks. You will be working with a highly cross-functional team of systems, software, hardware and vehicle engineers, as well as an incredibly talented team of designers, technicians, and a wide range of other professionals.
Position: Sr. Thermal Engineer - Automotive
FLSA Classification: Exempt
Reports to: Engineering Lead

Primary Job Responsibilities:

As a Sr. thermal control engineer, you will be responsible for designing and implementing  thermal control algorithms and software for various heat transfer systems in an electrical truck. As the team grows, you may be designated as a subject matter expert and will be asked to provide guidance to junior team members. The ideal candidate works well within a diverse team while also being able to operate independently and deliver projects on time and to specification. This candidate is able to solve complex problems by working up from the engineering fundamentals to develop the best solution, regardless of what others are doing or have done. We can’t change the world by doing it the way everyone else has done it! Finally, while we are an engineering driven company, you will need to be able to effectively communicate with our co-workers and partners in both technical and non-technical capacities. 

Responsibilities:
Lead requirement development and analysis of thermal control for powertrain, battery, HVAC of an electric truck.
Design, development, implementation, testing and calibration of control algorithms for an electrical vehicle thermal system including HVAC system, powertrain cooling systems, HV battery pack cooling systems. 
Develop test plans for validation of thermal software functions including on-vehicle testing
Developing diagnostics and fault actions for various thermal subsystems
Work with cross functional teams to perform root cause analysis, recommend solutions, and negotiate and execute contingency plans
Support, organize and lead customer and supplier meetings
Create report which address critical vehicle control issues and engage cross functional engineering support as required
Documentation of algorithm development and testing results, and integration of the documentation within the relevant tools.
Support product development and testing timeline planning with cross-functional hardware, controls, and software teams

Job Requirements - Essential Skills:
Solid control background in linear/nonlinear systems analysis, stability, and controller design
Experience, understanding, and intuition for the physics of electric propulsion and motion control systems
Creating dynamic models of electrical and mechanical systems
Model development and data analysis in Matlab/Simulink
Strong communication and preference for working in teams
Hands-on work is an integral part of being an engineer at Terraline, so familiarity with and a willingness to use basic hand tools is necessary for success 

Desired Skills:
Experience with thermal control and calibration in electrical vehicle
Good understanding of automotive functional safety standards like ISO 26262
Familiarity with Electric Vehicle (EV) drive systems
Capability of delivering high-quality code in an embedded environment

Qualifications:
MS/PhD in EE/ME or equivalent
5+ years experience in controls system development, modeling, and implementation in an embedded environment
3+ years working experience in automotive, or aerospace industries

Applicants must be currently authorized to work in the United States. Unfortunately, Terraline cannot sponsor new visa applicants at this time

What we offer you:

High-quality individual and family medical, dental, and vision insurance with an employer contribution
Competitive compensation packages
Employer-paid group term life insurance
Employer-paid Short-term and Long-term disability insurances
401(k) with company match
Paid vacation
Holidays following the Federal Holiday Schedule

Physical demands:

We are all hands on deck at Terraline in our efforts to creat

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Company

Terraline

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