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Aftertreatment Development Engineer Jobs (NOW HIRING)

Collabera

Development Engineer II

Waterloo, IA

Responsible for an engine dyno test cell and perform systematic aftertreatment performance testing ... B.S in Mechanical Engineering or equivalent degrees in science or engineering Additional ...

Ford Motor Company

Research Engineer

Dearborn, MI · On-site

Advanced Aftertreatment System Modeling & Simulation: Lead the design, development, and validation ... Contribute to systems engineering and quality document development, including Boundary Diagrams, P ...

Automotive Robotics Inc

Performance Engineer

Peoria, IL · On-site

Performance Engineer Individual to provide technical support in the development of Tier 4 Aftertreatment urea injection hardware and software strategies. Specific responsibilities will be developing ...

Automotive Robotics

Performance Engineer

Peoria, IL · On-site

Performance Engineer Individual to provide technical support in the development of Tier 4 Aftertreatment urea injection hardware and software strategies. Specific responsibilities will be developing ...

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Aftertreatment Development Engineer information

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$49K

$96.2K

$153.5K

How much do aftertreatment development engineer jobs pay per year?

As of Jun 6, 2026, the average yearly pay for aftertreatment development engineer in the United States is $96,155.00, according to ZipRecruiter salary data. Most workers in this role earn between $79,500.00 and $106,500.00 per year, depending on experience, location, and employer.

What is the difference between Aftertreatment Development Engineer vs Emissions Test Engineer?

AspectAftertreatment Development EngineerEmissions Test Engineer
CredentialsBachelor's or Master's in Mechanical, Chemical, or Automotive EngineeringBachelor's or Master's in Mechanical, Environmental, or Automotive Engineering
Work EnvironmentResearch labs, development centers, automotive manufacturersTesting facilities, laboratories, vehicle testing sites
Industry UsageDesign and optimize emission control systems like catalytic convertersConduct emissions testing and compliance verification

While both roles focus on vehicle emissions, the Aftertreatment Development Engineer primarily designs and develops emission control systems, whereas the Emissions Test Engineer conducts testing to ensure compliance. The former is more involved in system development, and the latter in testing and validation processes.

Infographic showing various Aftertreatment Development Engineer job openings in the United States as of May 2026, with employment types broken down into 1% Internship, 46% Full Time, and 53% Part Time. Highlights an 99% Physical, and 1% Hybrid job distribution, with an average salary of $96,155 per year, or $46.2 per hour.
Development Engineer II

Development Engineer II

Collabera

Waterloo, IA

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 28 days ago

Job description

Company Description

Established in 1991, Collabera has been a leader in IT staffing for over 22 years and is one of the largest diversity IT staffing firms in the industry. As a half a billion dollar IT company, with more than 9,000 professionals across 30+ offices, Collabera offers comprehensive, cost-effective IT staffing & IT Services. We provide services to Fortune 500 and mid-size companies to meet their talent needs with high quality IT resources through Staff Augmentation, Global Talent Management, Value Added Services through CLASS (Competency Leveraged Advanced Staffing & Solutions) Permanent Placement Services and Vendor Management Programs. 


Collabera recognizes true potential of human capital and provides people the right opportunities for growth and professional excellence. Collabera offers a full range of benefits to its employees including paid vacations, holidays, personal days, Medical, Dental and Vision insurance, 401K retirement savings plan, Life Insurance, Disability Insurance.


Job Description

Responsible for an engine dyno test cell and perform systematic aftertreatment performance testing using design of experiments and develop datasets for future emission tier projects.

Analyze data generated from test cell and develop reports to be reviewed by supervision.

Serve as support to external laboratories and assist aftertreatment accelerated aging and ash loading. 

Support engine dyno, flow bench and spray characterization tests at internal and/or external laboratory.


Qualifications

We need someone with excellent communication skills, and who thrives on solving problems and working in a team environment. 

Quality oriented with strong bias for action. 

B.S in Mechanical Engineering or equivalent degrees in science or engineering

Additional Information

2-3 years of hands hands-on experience with diesel engines, emission control technologies and engine dynamometer test cells 

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