Lemil Cordero Email & Phone Number

London, GB

Designed and drafted GD&T drawings of balance mass hardware, subsea foundation, and welded support structures for 3-meter wide, 16 tonne mechanical energy storage flywheel operating at 300 meters below sea.

Pasadena, CA, US

• Mars Sample Retrieval Lander Project
• Lead team of four engineers working on supporting structures for parachute and propulsion hardware.
• Perform configuration trade studies and optimize designs for mass, natural frequency, and ease of assembly.
• Create schedule and cost estimates for full lifecycle of hardware cost account development, build, and test.
• Produced development and flight acceptance functional test plans per relevant environments.

Pasadena, CA, US

• JPL Proposal Studies
• Sole mechanical subject matter expert within a concurrent engineering team focused on rapid design and analysis of space mission concepts.
• Define configuration and estimate mass and cost for entire spacecraft structure and mechanisms using spreadsheet modeling tools typically within three 3-hour sessions per study.

Pasadena, CA, US

• Europa Lander Project
• Developed conceptual design for end effector interface hardware to facilitate exchange of cutting tools within a robotic arm testbed measuring input energy per volume of simulant excavated.

Pasadena, CA, US

• Mars2020 Project
• Created and maintained database containing mass properties utilized in mission critical Monte Carlo analyses for over 4k parts within all spacecraft systems: Cruise Stage, Aeroshell, Descent Stage, and Rover.
• Led multi-measurement spin table tests of the fueled 3,500 kg Entry Vehicle at Kennedy Space Center under launch schedule constraints and performed final balance mass calculations and installations to ensure the.

Pasadena, CA, US

• Mars2020 Project
• Responsible for design, drawings, analysis, fabrication, and assembly of over 100 Rover secondary structure components including cabling and telecom support brackets, HEPA filters, and thermal enclosures.
• Used NX Advanced Simulations to create FEMs, assess stress margins, and extract forces to size fasteners.
• Wrote assembly instructions and worked with technicians to perform over 200 match drill operations, buck rivets by hand, and apply thermal coatings to sheet metal enclosures.

Pasadena, CA, US

• ASPIRE Project (Advanced Supersonic Parachute Inflation Research Experiments)
• Designed modifications to turnover fixture using hand calcs to size frame, gussets, interface plates, and bolts.

Pasadena, CA, US

• Saturn Probe Proposal SPRITE (Saturn PRobe Interior and aTmospheric Explorer)
• Led conceptual design for atmospheric probe mechanical structure.
• Performed structural configuration trades and payload packaging studies in CAD.
• Built FEM in NX Advanced Simulations to analyze entry loads on probe primary structure and recovered shell element forces and moments to size composite panel facesheets and honeycomb core.

Pasadena, CA, US

• Low Density Supersonic Decelerator (LDSD) Project
• Performed parachute material allowables testing and documented setup, procedures, data analysis, and conclusions in report.
• Developed conceptual design and prototypes for a lanyard pull switch for suspension line load cell (Dogbone).

• Minimize the client’s mold design process lead time by creating a tool in NX with reconstructed components that are parametrized to allow for rapid design changes.
• Create NX Journals to modify and create 3-D data according to customer requirements.
• Create supporting design documentation and manuals for the client’s use.

• Brainstormed ideas for the design of an electric powered, remote controlled aircraft which will compete in the AIAA’s Cessna/Raytheon Missile Systems – Student Design/Build/Fly Competition.
• Created design matrices for different components of the aircraft during preliminary design.
• Designed and analyzed components of aircraft using Solid Works, MATLAB, and hand calculations.
• Sized the control surfaces including ailerons, horizontal stabilizer, and vertical stabilizer to ensure desired stability characteristics which accommodate all phases of the competition.

Hawthorne, California, US

• Analyzed expected aerodynamic loading on a landing leg during ascent/descent using hand calculations and MATLAB to define test loads to envelope flight loads.
• Designed modifications for landing leg test stand to test for aerodynamic loading.

Hawthorne, California, US

• Designed and analyzed a suction powered welded handling fixture to assemble and turnover the landing legs.
• Conducted research and development of filament wound carbon fiber composite tubes and tested samples under tension and hydrostatic pressure for FEMAP model correlation.
• Utilized NX to make CAD models and FEMAP for structural finite element analysis.

• Conducted performance testing of rapidly prototyped models of Horizontal Axis Wind Turbines (HAWTs) by measuring power output from a generator.

• Aided the Airframe sub-team in the development of a system capable of completing various autonomous aerial operations including navigation, image processing, and target recognition.
• Constructed an 8 foot wingspan, 25 pound aircraft, and made modifications required for autonomous flight (airframe structure, aerodynamics, flight control, etc.).
• Spearheaded the construction of trainer planes to teach team members to pilot.

Mechanical Engineering, Aerospace And Aeronautical Engineering

Education record