c
crzeigler

Charlie Z

@crzeigler

Mechanical Engineer

United States
English
About me
Mechanical Engineer with over 6 years of engineering experience, 10 plus years of drafting experience, and a Bachelor of Science in Mechanical Engineering. I specialize in CAD and finite element analysis (FEA), with certifications as a Certified SolidWorks Expert (CSWE) and SolidWorks Simulation Professional. I bring a hands-on, problem-solving mindset to every project and enjoy turning complex challenges into practical, manufacturable solutions. My background combines technical analysis with real-world experience, allowing me to design with both performance and manufacturability in mind.... Read more

Skills

c
crzeigler
Charlie Z
Offline • 
Average response time: 8 hours

See my services

3D Modeling & Rendering
I will create 3d cad models and 2d drafting drawings
From$100 / projectMore details

Portfolio

Work experience

Mechanical Engineer II

Repligen Corporation • Full-time

Jan 2021 - Oct 2024 • 3 yrs 9 mos

- Created manufacturing, machining, and assembly drawings for systems with 1000 plus components utilizing Solidworks, design for manufacturing (DFM) and design for assembly (DFA) - Worked with electrical, production, and quality teams to implement cross-departmental design changes from the corresponding departments in order to meet project requirements - Performed design verification and validation using structural Solidworks simulation for FEA analysis, including static stress and deflection simulations, convergence studies, and physical testing to ensure compliance with requirements and safety margins - Assisted in fabrication and assembly of mechanical systems - Created design process improvements with quality and engineering teams for ISO 9001 standards and audits utilizing Failure Mode and effects analysis (FMEA), documentation controls, engineering change orders (ECOs), team trainings, and creation of Standard Operating Procedures (SOP) - Led cross-functional design of a 1” Tangential Flow Filtration (TFF) system aligned to URS and P&ID - Performed structural FEA on plates using SolidWorks Simulation, including convergence studies - Supported fabrication, polishing, and assembly per ASME BPE and ISO cleanroom standards - Executed FAT, flow testing, and validation activities - Managed ISO 9001 documentation, CE, REACH, and RoHS compliance

Jr. CAD Engineer

Artesyn Biosolutions • Full-time

Aug 2018 - Dec 2020 • 2 yrs 4 mos

- Created manufacturing drawings using Solidworks to aide in fabrication and machining of parts - Used 3D printing technology to construct prototypes of designs for testing purposes - Handled interactions between important vendors to ensure quality of products received were up to specification and resolved any discrepancies - Assisted with onsite testing and projects - Assisted with in house improvements and designs to improve workflow of manufacturing processes - Assisted with manufacturing and fabrication processes