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Reliability Engineer II

Milwaukee Tool · Brookfield, WI · Full time

Posted Aug 24, 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

Tell me about a time your reliability data changed a design decision.

What they are checking: Whether their work has actually influenced products, not just produced reports.

Tell me about a time you worked with a cross-functional team to fix a reliability problem.

What they are checking: Whether they can work across design, quality and manufacturing to solve problems.

What would you do

Field returns show packs failing early in cold weather. How do you investigate?

What they are checking: Whether they can connect field data to lab testing and find the root cause.

A design engineer pushes back on your test results. How do you handle it?

What they are checking: Whether they can defend findings with data and stay collaborative.

How do you decide when a product is reliable enough to launch?

What they are checking: Whether they can make a clear recommendation based on risk and data.

About the work

How would you build a reliability test plan for a new battery pack?

What they are checking: Whether they can design tests for real use, like cycling, temperature and drops, for energized products.

What failure modes worry you most in lithium-ion battery systems?

What they are checking: Whether they understand risks like thermal runaway, cell imbalance and connector wear.

Walk me through how you'd use a Weibull analysis on life test data.

What they are checking: Whether they can use statistics to predict product life and make decisions.

How do you use DFMEA in the development process?

What they are checking: Whether they use FMEA as a living tool to find and reduce risk early.

How do you design accelerated life tests that still reflect real use?

What they are checking: Whether they understand the limits of acceleration and avoid misleading results.

Practice this interview out loud.

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The full job description

As published by Milwaukee Tool.

Job Description: Come be DISRUPTIVE with us! At Milwaukee Tool we firmly believe that our People and our Culture are the secrets to our success -- so we give you unlimited access to everything you need to create disruptive new technologies and solutions on our engineering teams. Our Engineering Team is responsible for giving life to the batteries, motors, and electronics that power solutions changing the lives of our users. Every developmental phase of these critical components happens in-house under the watch of this team. We continue to invest in engineering resources to design and develop leadership in engineering capabilities; something unique within the industry, and we're pushing the limits. Behind our doors you'll be empowered every day to own it, drive it, and do what it takes to design and develop the biggest breakthroughs in the industry. Meanwhile, you'll have the support and resources of the fastest-growing brand in the construction industry to make it happen. As a Reliability Engineer II for Milwaukee Tool, you will be located at our Corporate & Global Design Headquarter in Brookfield, WI reporting to the Manager of Reliability / Quality Engineering. The Reliability Engineer I is a critical member of the New Product Development Team contributing entry level to intermediate engineering skills. Throughout a product's development cycle, this position requires strong cross-functional communication skills and analytical expertise to help launch new and exciting solutions that meet user needs. You will work in a fast-paced environment to innovate new products as a member of a cross-functional team. Duties and Responsibilities Product Development: • Lead teams for new product designs and engineering changes with respect to product reliability, user requirements and warranty information • Isolate and identify “critical to quality” (CtQ) user need requirements on mechanical and electrical design features; and all product component interactions • Track multiple projects simultaneously to ensure adherence to schedule and the Milwaukee Tool process. • Participate and collaborate on project teams involving Marketing and Engineering leading in all aspects of reliability and testing Testing / Analysis: • Develop test plans and procedures based on new or established products, to ensure product meets customer requirements • Collaborate with test laboratories to implement test plans/procedures ensuring full test completion and best practices are utilized • Analyze, draw conclusions, report and present product information utilizing statistical techniques such as Weibull analysis, reliability distributions and matrices • Draw concise, logical, written conclusions from experiments based on data analysis • Ensure timely failure reporting root cause analysis and effective corrective/preventative actions (FRACA) Job Requirements • Bachelor of Science Degree in Engineering or educational equivalent field • 2-5 years of experience in related reliability and quality field and/or statistical engineering • Experience with or knowledge of new product development processes emphasizing testing design, manufacturing audits, quality assurance, test engineering or reliability and warranty prediction capabilities • Experience including test development and specification creation, quality engineering fundamentals and proven experience leading a primary function within a project team • Relevant experience with Design of Experiments (Six Sigma, preferred), life data analysis, and other related statistical tools and software (i.e. Minitab, Reliasoft is a plus) • Written and verbal communication skills and creative problem-solving capabilities • Ability to travel 10% of the time is required (travel includes Domestic and International) • Preferred: ASQ Reliability Engineering Certification (ASQ-CRE) or the ability and desire to achieve certification • Preferred: Design for Six Sigma (DFSS) or Six Sigma experience, Python experience Milwaukee Tool is an equal opportunity employer.

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