Christopher Jahnke Email & Phone Number

Southfield, Michigan, US

• Managed and operated the metallurgical laboratory, serving as the sole member of the materials department.
• Conducted routine sampling, metallurgical lab test work, and data entry/analysis, including sample preparation, imaging, and hardness testing.
• Prepared reports outlining findings and conclusions, including deviations from specifications and recommended corrective measures.
• Analyzed ferritic Powdered Metal microstructure and advised on quality control, testing techniques, and metallurgical specifications application.
• Maintained, troubleshooted, and calibrated laboratory equipment, managing laboratory reagents and consumables.
• Conducted lot sampling of various components and performed contamination testing at required intervals.

San Marcos, Texas, US

• Wrote SOPs and documentation for new processes
• Wrote DOEs for new and modified processes
• Managed time-tests and initial trials to ramp up to production
• Generated data reports from production trials
• Parsed text files generated from lab equipment, and created heat maps using Python
• Fully automated gas-level reports using Python

Houston, Texas, US

• Managed laboratory – including all equipment, personnel, calibrations, and vendors
• Managed intake of ingot, furnace charge planning, and release of product
• Responsible for review and disposition of non-conforming material
• Served as a technical representative for customers
• Ensured process and quality compliance within the facility
• Responsible for all data analysis within the facility

Maryville, Tennessee, US

• Engineered new products and improved existing products
• Worked with customers to find the root-cause of issues, and found creative solutions to solve them
• Conducted R&D trials of new products
• Wrote process deviations and technical reports
• Envisioned, built, implemented, and administrated Access/SQL server database for entire quality and R&D departments
• Automated and engineered data pipelines to insert raw info from technical machinery to database

Rapid City, SD, US

• Graded assignments taken from the class “Oxidation and Corrosion of Metals”

Rapid City, SD, US

• Served as the head graduate research assistant; managing several labs and several undergraduate students on a $1,000,000 grant from NASA/DOD in researching solid-state batteries
• Successfully engineered new manufacturing processes to improve battery performance
• SEM, XRD, EDS operation and evaluation
• Troubleshot hardware and software issues
• Manuscript, proposal, and report writing
• Conducted research on microcells in steels to ascertain effects of corrosion between different grains of steels and to quantify grain boundary resistance

Greeley, CO, US

• Responsible for all lab testing and supervision of lab interns
• Made decisions how to rectify nonconforming products alone or in a group
• Assisted in safety audits and was part of the safety committee (ISO 9001)
• Assisted in research and development projects
• Made changes to SOPs and lab testing requirements

Master Of Science - Ms, Material Science And Engineering

Bachelor Of Science (B.Sc.), Geological And Earth Sciences/Geosciences