Principal Engineer

Tata Technologies • Engineering Services • Bachelor's Degree • MATLAB • Microsoft Excel • 1 day ago

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Salary

≈ $102k – $208k per year (Estimated)

Location

Hybrid (Detroit, United States)

Seniority

Principal · 12+ years exp

Confirmed on the employer's own hiring board on Oct 18, 2026. First seen by Alion on Sep 22, 2026. Tata Technologies scores C on the Alion truth index.

Overview

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Profile match

Tata Technologies

Tata Technologies provides product engineering and digital services to manufacturers. Its work spans vehicle development, electrification and manufacturing simulation. The company also delivers education and skilling programmes for industry.

tatatechnologies.com • HQ: Pune, India • Engineering Services • 5000+ employees • Est. 1989

Tech stack of Tata Technologies

Job Description

Principal Engineer - Thermal & Powertrain Integration

Location

Detroit, MI (Hybrid) | Travel to OEM and supplier locations as required

JOB SUMMARY:

Tata Technologies is seeking an experienced Principal Engineer - Thermal & Powertrain Integration to lead thermal system development, cooling architecture, powertrain thermal integration, and validation activities for commercial vehicle programs. The role will be responsible for defining and delivering complete cooling system solutions including radiator systems, charge air cooling, transmission cooling, engine thermal management, thermal DFMEA, system validation, and supplier coordination from concept through production launch.

The candidate will serve as the thermal subject matter expert and work directly with OEM engineering teams, suppliers, CAE teams, and vehicle integration teams.

ESSENTIAL DUTIES AND RESPONSIBILITIES:

Thermal System Architecture

Lead design and development of complete vehicle cooling systems.

Define radiator, condenser, transmission oil cooler, charge air cooler, power steeringcooler, and auxiliary cooling requirements.

Develop cooling package layouts and packaging strategies.

Support vehicle front-end module and underhood thermal integration.

Thermal Analysis & Simulation

Lead 1D thermal analysis using GT-SUITE, KULI, Amesim, or equivalent tools.

Perform heat rejection analysis for engine, transmission, charge air, and auxiliary systems.

Develop cooling circuit models and validate thermal assumptions.

Analyze:

Engine cooling performance

Transmission cooling

CAC performance

Fan system performance

Thermal balance assessments

Powertrain Integration

Interface with engine suppliers and OEM powertrain teams.

Review:

Heat rejection data
Cooling flow requirements
Thermostat strategies
Exhaust manifold cooling
EGR cooling
Transmission thermal requirements
Support engine installation and thermal packaging studies.

System Engineering & DFMEA

Lead thermal system DFMEA development.
Create system boundary diagrams and interface definitions.
Manage thermal requirements traceability.
Support DVP&R creation and test planning.
Drive issue resolution using root cause analysis methodologies.

Validation & Testing

Support laboratory and vehicle testing.
Develop validation plans for: Hot weather testing, Gradeability testing, Towing/load tests, Cooling performance testing, Wind tunnel and thermal chamber evaluations
Correlate test results with simulation models.
Supplier & Program Support
Coordinate with suppliers such as radiator, cooling module, fan, shroud, and thermal component suppliers.
Support sourcing and technical supplier reviews.
Evaluate carryover, modified, and new component strategies.
Support BOM maturity and long-lead item reviews.
Program Leadership
Lead thermal matched-pair reviews and engineering discussions.
Support weekly customer status reviews.
Track deliverables through program management tools.
Mentor junior thermal engineers and analysts.
REQUIRED KNOWLEDGE, SKILLS AND ABILITIES:
Required Qualifications
Education
BS or MS in Mechanical Engineering, Automotive Engineering, or related field.
Experience
12+ years of automotive or commercial vehicle thermal engineering experience.
5+ years leading complete vehicle thermal systems.
Experience with medium-duty, heavy-duty truck, bus, construction, agricultural, or off-highway vehicles preferred.
Technical Expertise
Engine cooling systems
Charge air cooling systems
Transmission cooling systems
Thermal management architecture
Heat rejection analysis
DFMEA
DVP&R
Cooling module packaging
Vehicle integration
Software Tools
Must have experience with:
CATIA V6
Teamcenter / ENOVIA
MATLAB
Microsoft Excel
Preferred:
Star-CCM+
Fluent
GT Suite
Key Competencies
Thermal systems leadership
Powertrain integration expertise
OEM customer interaction
Technical problem solving
Supplier management
Cross-functional collaboration
Program execution
Risk identification and mitigation

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