Diesel Calibration Engineer

Saxon Global•Dearborn, MI

2d•Onsite

About The Position

This role focuses on supporting diesel engine and aftertreatment calibration, with a strong emphasis on emissions and dynamometer testing. The engineer will be responsible for executing aftertreatment calibration updates, performing engine dynamometer emissions testing, and ensuring data integrity for certification and development activities. The position also involves cross-functional support, acting as a technical resource for various programs and collaborating with different engineering teams.

Requirements

Experience with diesel engine development, testing, or aftertreatment systems.
Hands-on experience with engine dynamometer testing.
Familiarity with DPF aftertreatment systems and diesel emissions processes.
Knowledge of lean, regen, and OBD emissions strategies.
Experience using ETAS tools (INCA, MDA, or similar) for calibration and data collection.
Understanding of EPA 10–65 emissions certification protocols and key drive cycles.
Strong attention to detail and documentation skills.

Nice To Haves

Bachelor's degree in Mechanical Engineering, Automotive Engineering, or related field (or equivalent hands-on experience).
Prior experience supporting emissions certification testing.
Background in diesel aftertreatment calibration or validation.
Experience working in a regulated emissions or certification environment.

Responsibilities

Support Diesel Particulate Filter (DPF) aftertreatment systems, including installation, testing, removal, and troubleshooting.
Execute aftertreatment calibration updates and monitor system response.
Track and document calibration changes, test results, and configuration updates.
Support diesel engine and aftertreatment calibration, test methods, and validation activities.
Perform engine dynamometer certification emissions testing for lean operation, regeneration (active and passive), and On-Board Diagnostics (OBD).
Maintain daily responsibility for engine dyno operation, test execution, and data quality.
Support EPA 10–65 certification protocols, including familiarity with key test cycles.
Assist with emissions certification readiness and documentation.
Collect, analyze, and share dyno and emissions data across engineering teams.
Utilize ETAS calibration and data acquisition tools for dyno data collection, calibration tracking, and data sharing/reporting.
Ensure data integrity and traceability for certification and development activities.
Act as a technical "floater", supporting multiple programs or test activities as priorities shift.
Collaborate with calibration engineers, emissions teams, and regulatory compliance groups.
Support troubleshooting and root-cause analysis for aftertreatment or emissions issues.