Marisa Jane Teti
Mechanical Thermal Engineer @Johns Hopkins Applied Physics Laboratory
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WORK HISTORY
Mechanical Thermal Engineer @Johns Hopkins Applied Physics Laboratory
Laurel, MD, US
NASA Dragonfly Mission-Managed end-to-end thermal verification for Dragonfly Lander EM hardware, leading testing of foam insulation, aluminum honeycomb panels, cameras, fins, landing gear, and additional flight subsystems-Developed detailed thermal test plans and written procedures; executed test campaigns including foam thermal conductivity characterization and heat-leak testing in a pressurized chamber (1.5 atm, 94 K)-Coordinated with mechanical, structural, thermal, technician, contamination, and harness teams to plan and execute test activities, including hardware procurement and test setup-Analyzed test data using MATLAB and Excel; correlated experimental results with Thermal Desktop models-Presented test results and technical findings at subsystem PDRs and CDRs-Conducted pressure leak-rate testing on Dragonfly Lander components to verify sealing integrity; supervised cleanroom tape-sealing activities for flight installs; ensured compliance with flight mass requirements-Mentored interns, onboarded new team members, and organized technical documentation.CORSAIR IRAD-Contributed to the thermal design and analysis of a cryogenic comet sample return concept, evaluating approaches to maintain a sheltered sample below 100 K throughout cruise and Earth re-entry thermal environments.NASA Interstellar Mapping and Acceleration Probe (IMAP) Mission-Supported spacecraft-level thermal vacuum testing at Marshall Space Flight Center and completed post-test data analysis in preparation for the Pre-Ship Review. SES Onboarding Advisory Team Co-Lead-Organized and led the First Contact session and New Hire Expo for all new employees in Space Exploration.SEM-4 Thermal Section Assistant Supervisor-Managed tasking, performance evaluations, and monthly meetings for a team of 15 engineers.SEM Morale Committee Leader-Planned and executed biweekly team-building events for a 90-person group to strengthen collaboration and morale.
EDUCATION
University of Maryland
Bachelor's degree, Mechanical Engineering
University of Maryland - A. James Clark School of Engineering
Bachelor of Science - BS, Mechanical Engineering
Kent Island High School
Liberal Studies Pathway
Johns Hopkins Whiting School of Engineering
Master of Science - MS, Mechanical Engineering
ABOUT MARISA JANE TETI
As a Mechanical/Thermal Engineer at Johns Hopkins University Applied Physics Laboratory (JHU APL), I specialize in thermal testing, analysis, and mechanical engineering for space missions. For the past three years, my primary focus has been NASA\'s Dragonfly mission, a rotorcraft lander designed to explore Saturn’s moon, Titan.I have developed detailed test plans and procedures, conducted foam thermal conductivity characterization, heat-leak testing, and pressure leak-rate testing, managed hardware procurement and instrumentation, maintained thermal control, analyzed data in MATLAB and Excel, correlated results with Thermal Desktop models, and delivered findings at PDR and CDR. I coordinated test activities with mechanical, structural, thermal, harness, technician, and contamination teams to ensure successful test execution. Additionally, I supported IMAP TVAC testing at NASA MSFC, reviewing real-time and post-processed test data.Beyond technical contributions, I demonstrated leadership as a section supervisor to 15 thermal engineers, led the onboarding program for new hires, and mentored interns in thermal testing and analysis tasks.I earned my B.S. in Mechanical Engineering from the University of Maryland, College Park, and I am pursuing an M.S. in Mechanical Engineering at Johns Hopkins University Whiting School of Engineering, focusing on Fluid Mechanics and Thermal Science. My career is driven by curiosity, continuous learning, and a passion for engineering solutions that push the boundaries of space exploration. I am open to opportunities in mechanical and thermal engineering, project management, and hands-on test/analysis work. Please feel free to reach out to discuss potential opportunities.
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