Katherine Rummel
Normal
Summary
Mechanical engineer with 3+ years in EV propulsion and battery manufacturing, scaling prototype lines to full production. Improved throughput by 2× and line availability by 30%, while mentoring new engineers to reduce onboarding time. Seeking a project-focused role to apply expertise in process optimization, cross-functional collaboration, and manufacturing integration.
Overview
8
8
years of professional experience
1
1
Certification
Work History
Senior Process Engineer, Propulsion (Stator Line)
Rivian Automotive, Inc.
Normal
10.2023 - Current
- Trained and mentored Process Engineering Technicians, facilitating skill development for 5 engineering students and improving team onboarding efficiency by 50%.
- Supporting manufacturing lines during production hours reducing recovery times by 50%, commissioned new line and supported all documentation creation.
- Developed and implemented comprehensive technical documentation for the Stator Line, reducing assembly errors by 30% and enhancing operational efficiency.
Senior Process Engineer, ESS (Energy Storage Systems - Battery)
Rivian Automotive, Inc.
Normal
12.2022 - 10.2023
- Trained and mentored newly hired process engineers, accelerating their manufacturing engineering skill development.
- Partnered with manufacturing engineers to integrate new battery production lines and enhance existing equipment, using lessons learned from prior projects.
Process Engineer II, ESS (Energy Storage Systems - Battery)
Rivian Automotive, Inc.
Normal
11.2021 - 12.2022
- Managed and served as the subject matter expert for the cell processing manufacturing line, scaling it from prototype to full production, doubling throughput and increasing availability by 30%.
- Maintained project organization by tracking and prioritizing all action items in Jira, ensuring timely resolution and clear accountability.
- Collaborated with controls, manufacturing, and vision engineers to optimize line performance and deepen cross-functional understanding of system operations.
Process Engineer I, DC Fast Charging
Rivian Automotive, Inc.
Normal
06.2021 - 11.2021
- Supported the launch of four new manufacturing assembly lines for DC Fast Charge products.
- Developed work instructions for new processes, and enhanced existing ones to reduce operator ergonomic strain.
- Delivered on-site feedback during Site Acceptance Testing (SAT) to ensure lines met operational and design requirements.
Structures Engineer
Shimmick Construction Company, Inc.
Huntington Beach
05.2020 - 04.2021
- Performed detailed material take-offs for concrete, formwork, and Armorlock, ensuring accuracy for a $90M infrastructure project.
- Translated contract drawings into precise 3D SketchUp models to support constructability reviews and design validation.
- Authored technical documentation, including submittals, RFIs, change orders, and work plans, to streamline project execution.
- Collaborated with inspection teams to identify root causes of field issues, and implement corrective actions under tight deadlines.
- Managed the procurement of materials and equipment, tracking spending and usage through Labor Distribution Reports to maintain cost control.
Intern (Seasonal)
MILCO Wire EDM & Waterjet
Huntington Beach
11.2017 - 01.2020
- Interpreted technical drawings and blueprints to define machining requirements.
- Estimated project costs and timelines for custom manufacturing jobs.
- Programmed and operated waterjet cutting machines using OMAX software to meet precise tolerances. Operated waterjet cutting machines and utilized OMAX programming.
Project Engineer Intern/Research Student
U.S. Department of the Army - ERDC Cold Regions Research and Engineering Laboratory (CRREL)
Hanover
05.2019 - 08.2019
- Researched ultracapacitor and battery storage options for a white paper, presenting pre-tested research findings for future publication.
- Supported multiple engineering projects by troubleshooting issues, designing test devices, and collecting performance data.
- Operated a range of equipment, including a Caterpillar skid steer, MIG welder, and chainsaw, to support field testing activities.
Education
Bachelor of Science - Mechanical Engineering
California State University, Chico
Chico, CA05.2020
Skills
Technical Skills
- AutoCAD CATIA DELMIA ENOVIA SolidWorks (incl FEA) OMAX SharePoint Confluence Jira
Data & Analytics
- Snowflake Databricks Hex Data Analytics Basic SQL Coding Microsoft Office (Excel, Word, PowerPoint)
Engineering & Manufacturing
- Manufacturing Integration Production Line Management Process Optimization Manufacturing Line Ownership Technical Documentation
Project & People Management
- Project Management Continuous Improvement Mentoring Junior Engineers Problem Solving Effective Communication
Hands-On & Technical Operations
- MIG Welding Auto Mechanics
Certification
Lean Six Sigma White Belt, 04/20
Work Preference
Work Type
Full TimeWork Location
On-SiteRemoteHybridImportant To Me
Career advancementWork-life balanceCompany CultureFlexible work hoursPaid time offHealthcare benefitsPersonal development programs401k match4-day work weekStock Options / Equity / Profit SharingPaid sick leaveAccomplishments
- Reduced stator scrap and rework by 40% through a pallet pin redesign project.
- Collaborated with design engineers to develop a master gage for assembly stations.
- Learned and leveraged the Keyence LJ-X profilometer vision system to adjust welding programs, cutting false failures by 20%.
- Implemented multiple process and software updates to incorporate child part revisions and improve line accuracy.
Timeline
Senior Process Engineer, Propulsion (Stator Line)
Rivian Automotive, Inc.
10.2023 - Current
Senior Process Engineer, ESS (Energy Storage Systems - Battery)
Rivian Automotive, Inc.
12.2022 - 10.2023
Process Engineer II, ESS (Energy Storage Systems - Battery)
Rivian Automotive, Inc.
11.2021 - 12.2022
Process Engineer I, DC Fast Charging
Rivian Automotive, Inc.
06.2021 - 11.2021
Structures Engineer
Shimmick Construction Company, Inc.
05.2020 - 04.2021
Project Engineer Intern/Research Student
U.S. Department of the Army - ERDC Cold Regions Research and Engineering Laboratory (CRREL)
05.2019 - 08.2019
Intern (Seasonal)
MILCO Wire EDM & Waterjet
11.2017 - 01.2020
Bachelor of Science - Mechanical Engineering
California State University, Chico
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