Senior Mechanical Design Engineer

Job Title: Senior Mechanical Design Engineer

Location: Mansfield, Massachusetts

Employment: Full-Time Permanent

Job Description:

Mandatory Skills:

• Bachelor’s degree in Mechanical Engineering or a related field

• 8 years of hands-on mechanical engineering experience

• Strong proficiency in CAD software: SolidWorks, Autodesk Inventor, Siemens NX

• Experience performing FEA and CFD analysis using ANSYS or equivalent tools

• Experience performing design analyses on aerospace components

• Outstanding communication and technical writing skills

• Ability to work effectively in cross-functional engineering and manufacturing environments

• Outstanding customer interfacing skills

Preferred Qualifications

• Experience designing hardware that interfaces with electronic systems or avionics

• An understanding of engineering outsourcing business practices

• Knowledge of common manufacturing processes

• Exposure to project or program management

• Experience writing or creating standard work, establishing processes, and documenting lessons learned An alignment with LTTS company values, including Being Purposeful, Ethics & Integrity, Caring, A Culture of Learning, and Results with Accountability.

Physical Requirements:

• Prolonged periods sitting at a desk and working on a computer

• Ability to traverse and navigate a manufacturing facility

• Must be able to lift up to 15 pounds at times

Primary Responsibilities

• Perform engineering design analyses such as tolerance stacks, hand calculations, etc. to evaluate the fit, form, and function of a part, while balancing manufacturing and cost constraints.

• Create detailed mechanical designs, layouts, and engineering drawings using CAD tools such as SolidWorks, Autodesk Inventor, and Siemens NX

• Perform Finite Element Analysis (FEA) and Computational Fluid Dynamics (CFD) to validate structural integrity, thermal behavior, and performance using ANSYS tools

• Build, test, and analyze prototypes to verify functionality, safety, and reliability

• Collaborate closely with manufacturing and supply chain teams to ensure Design for Manufacturability (DFM) and cost-effective production

• Develop and maintain Bill of Materials (BOMs) in customer PLM, technical documentation, and engineering reports

• Apply and review GD&T per ASME Y14.5 standards to ensure design intent and quality

• Support certification and compliance activities related to FAA, TCCA, and OEM requirements

• Participate in design reviews and provide technical leadership throughout the product lifecycle

• Identify opportunities for continuous improvement to current engineering processes, tools, trainings, etc.

• Update status reports, present project status to customers, and work with LTTS project management to ensure productive and consistent customer communication.

• Understand and adhere to all export control regulations.

• Travel locally onsite to the customer facility several days per week as needed and comply with all customer site requirements.