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Senior Manufacturing Engineer

Donaldson · Dixon, IL · $86,200–$125,580 a year · Full time

Posted Sep 17, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

This role supports aerospace and defense work in Dixon. What experience do you have with the documentation and control that aerospace manufacturing requires?

What they are checking: Whether they understand the traceability and process discipline aerospace customers demand compared to commercial work.

Tell me about a process you developed or optimized. What was the starting point, what did you change and what were the results?

What they are checking: Whether they can show measurable impact from process development, the core of the role.

Tell me about a cross-functional project you led where you did not have authority over the people involved.

What they are checking: Whether they can coordinate larger projects through influence, which the posting describes as part of the role.

You work under limited supervision. How do you set goals for a project when no one hands them to you?

What they are checking: Whether they can define objectives and own outcomes independently as an established professional.

How do you stay on top of new manufacturing technology trends, and how do you decide whether one is worth pursuing?

What they are checking: Whether they research trends critically and tie them to business needs, as the posting asks.

What would you do

You are introducing a new technology onto the floor. How do you take it from trial to stable production?

What they are checking: Whether they plan validation, training and documentation instead of handing off a process that is not ready.

Operators tell you the new work instruction you wrote does not work in practice. What do you do?

What they are checking: Whether they listen to the floor and treat operator feedback as data instead of defending their own work.

How would you balance a program deadline against a process that is not yet capable?

What they are checking: Whether they raise risk honestly and propose options rather than quietly launching a shaky process.

About the work

How do you approach a process that has high scrap but no clear single cause?

What they are checking: Whether they use structured data analysis and experiments rather than guessing at fixes.

What does a good process FMEA look like, and how have you used one to change a design or process?

What they are checking: Whether they use risk tools to prevent problems before launch rather than just filling out forms.

A change to a qualified aerospace process would save money. What has to happen before you can make it?

What they are checking: Whether they know changes to qualified processes need review, requalification and often customer approval.

Practice this interview out loud.

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The full job description

As published by Donaldson.

Donaldson is committed to solving the world’s most complex filtration challenges. Together, we make cool things. As an established technology and innovation leader, we are continuously evolving to meet the filtration needs of our changing world. Join a culture of collaboration and innovation that matters and a chance to learn, effect change, and make meaningful contributions at work and in communities. ​ The Senior Manufacturing Engineer position will be responsible for developing solutions with current and new technologies working within the Aerospace and Defense field. Qualified candidates must be able to work an on-site schedule at our Dixon, IL facility . Role Responsibilities: • Performs moderately complex professional engineering duties in a particular engineering field or area of specialization; participates in optimization, methods, and process development. Responsibilities may include leading more technical or specialized applications, products or projects, researching market/technical trends, and coordinating larger and cross-functional projects. • Works to achieve program, functional, and/or business targets within the team with direct impact on departmental results • Established professional; works under limited supervision • Works independently on moderately complex projects/assignments and sets objectives or goals of projects and assignments within the team • Typically performs within the department and has scope impact or insights across groups • Communicates with employees both within and outside of the department on matters that require explanation, interpretation, and/or advising; may communicate with external clients or partners depending upon the job function/organization • Influences employees within the department at a program/process level regarding concepts or practices and some advice on approaches • Responsible for making moderate improvements of programs, processes, procedures, or systems to contribute to the performance of the team • Problems faced are difficult and mildly complex and typically impact a single organization, department or multiple teams • Provides assistance and training to lower-level employees • May lead significant parts of moderately complex projects or processes Minimum Qualifications: • Bachelor’s degree in Engineering. • Minimum 5 years related professional engineering experience. Preferred Qualifications: • Master's Degree in technical field. • Demonstrated ability to multitask, prioritize, and manage through competing projects and priorities efficiently with strong attention to detail. • Strong presentation skills and ability to communicate at all levels including other engineers and/or manufacturing. • Leading projects or project management • Lean or six sigma experience • Aerospace knowledge/experience. • Industrial or machine automation experience • Experience with FEA, preferably ANSYS software program. Annual Salary Range: $86,200 - $125,580. Actual salaries will vary based on several factors, including, but not limited to, applicable work experience, training, education, and performance. Employee benefits are part of the competitive total rewards package that Donaldson Company, Inc. provides to you. Our comprehensive benefits program includes health benefits, retirement plan (401k), paid time away, paid leaves (including paid parental leave) and more. Relocation: This position is not eligible for relocation assistance. Immigration Sponsorship Not Available: • Applicants for this position must be currently and legally authorized to work in the United States without the need for current or future sponsorship (e.g., H-1B, J-1, F-1, CPT, OPT, etc.). • Donaldson will not offer immigration sponsorship or assume sponsorship of an employment visa for this position. • International relocation or remote work arrangements outside of the U.S. will not be considered. Key words: Engineer, Aerospace and Defense, A & D, project engineer Employment opportunities for positions in the United States may require use of information which is subject to the export control regulations of the United States. Hiring decisions for such positions are required by law to be made in compliance with these regulations. Applicants for employment opportunities in other countries must be able to meet the comparable export control requirements of that country and of the United States. Donaldson Company has been made aware that there are several recruiting scams that are targeting job seekers. These scams have attempted to solicit money for job applications and/or collect confidential information, Donaldson will never solicit money during the application or recruiting process. Donaldson only accepts online applications through our Careers | Donaldson Company, Inc. website and any communication from a Donaldson recruiter would be sent using a donaldson.com email address. If you have any questions about the legitimacy of an employment opportunity, please reach out to talentacquisition@donaldson.com to verify that the communication is from Donaldson. Our policy is to provide equal employment opportunities to all qualified persons without regard to race, gender, color, disability, national origin, age, religion, union affiliation, sexual orientation, veteran status, citizenship, gender identity and/or expression, or other status protected by law.

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