Mechanical Design Engineer, Senior

Mechanical Design Engineer Senior

Overview

SimTech Inc. recognized as one of the 2026 Best Places for Working Parents is seeking a Mechanical Design Engineer Senior to join our dynamic and diverse team in Huntsville AL.

SimTech offers a market leading compensation package with excellent benefits work/life balance outstanding retirement plan career advancement and much more.

The Mechanical Design Engineer Senior will lead the design analysis development and production release of complex mechanical components and assemblies.

Responsibilities

Develop 3D parametric models detailed part drawings and assembly drawings in SolidWorks from concept through production release.

Produce engineering drawings with complete GD&T per ASME Y14.5 including dimensions tolerances datum schemes and surface finish callouts suitable for fabrication and inspection.

Perform tolerance stack-up analyses (worst-case and statistical) to verify fit function and assembly feasibility prior to release.

Conduct structural modal and thermal finite element analyses (FEA) to validate mechanical designs against load vibration shock and thermal-environment requirements.

Select materials fasteners and commercial-off-the-shelf components based on mechanical environmental manufacturing and cost requirements.

Apply Design for Manufacturability (DFM) and Design for Assembly (DFA) principles in collaboration with manufacturing and supplier-quality teams to reduce cost and assembly risk.

Lead prototype build design verification testing and iterative refinement of mechanical designs to validate performance prior to production.

Prepare and present designs at preliminary and critical design reviews (PDR CDR) incorporating peer and stakeholder feedback into the released baseline.

Author engineering change proposals and engineering change notices (ECP/ECN) and maintain mechanical design baselines under formal configuration management.

Collaborate with electrical systems and software engineering as well as manufacturing and test to ensure mechanical interfaces meet program requirements.

Provide technical leadership on mechanical design efforts establish design standards and best practices and mentor less experienced engineers.

Other duties as assigned.

Minimum Qualifications & Education Requirements and Desired Skillsets

Bachelors degree in Mechanical Engineering Aerospace Engineering or a closely related discipline from an accredited institution.

10 years of demonstrated mechanical design experience preferably in defense aerospace or comparable regulated industry.

Proficiency in SolidWorks including assembly modeling and detailed drawing creation.

Strong working knowledge of GD&T per ASME Y14.5 and the ability to apply tolerance schemes that meet inspect ability and producibility requirements.

Experience performing FEA using SolidWorks Simulation and interpreting results to drive design decisions.

Experience performing tolerance stack-up analyses to validate mechanical fit and function.

Working familiarity with common manufacturing processes (machining sheet metal casting additive manufacturing) and their design implications.

Demonstrated experience leading mechanical design efforts and mentoring less experienced engineers.

Strong written and verbal communication skills with the ability to interact effectively with all stakeholders.

A self-starter team player with a desire to work with a team of engineers integrators analysts and others in a dynamic and fast-paced environment.

U.S. Citizenship with Active Secret Security clearance and ability to maintain required clearance.

Physical Description

Employees in these positions will function in a general office/cubicle setting environment and laboratory/testing setting using standard office equipment and various electronic testing equipment including a computer telephone printers video equipment computer software and testing equipment. Will interact in a general office setting environment with various personnel; participate in meetings and contribute to team success; deliver timely results and produce reports; receive and communicate information; may include telework. May function in a specialized laboratory/testing environment using electronic testing equipment computer software and complex systems. May move and test equipment of various weights. Laboratory environment may require use of protective equipment (PPE) including but not limited to safety glasses and protective hearing and footwear. May be expected to work varying shifts and hours to ensure successful operation of activities in the organization due to business demands; travel occasionally for assigned work.

About SimTech Inc.

SimTechs mission is to be the most reliable and cost-effective provider of Signature Models Simulations Hardware Software Cyber solutions and Test & Evaluation services. Established in 1983 by a team of experienced scientists and engineers SimTech has a long history of delivering high-technology defense-oriented solutions.

The company has been recognized as a Best Place to Work in 2020 and 2021 and as a Best Place for Working Parents in 2022-2026 by the Huntsville/Madison County Chamber of Commerce.

SimTech offers an industry-leading comprehensive compensation and benefits package. Be a part of over 43 years of excellence-join our team today!

To learn more about our exceptional team and employee benefits contact SimTech HR or visit for more information.

Equal Employment Opportunity and Affirmative Action Employer

SimTech Inc. is an Equal Opportunity/Affirmative Action Employer. SimTech Inc. is a committed EOE/Vet/Disabled employer.

Simulation Technologies Inc. (SimTech) is an Equal Employment Opportunity employer and provides reasonable accommodation for qualified individuals with disabilities and disabled veterans in its job application procedures. If you have any difficulty using our online system and you need an accommodation due to a disability you may use the following email address and/or phone number (256.428.2910) to contact us about your interest in employment with SimTech.

All qualified applicants will receive consideration for employment without regard to race color religion sex sexual orientation gender identity national origin age genetic information citizenship ancestry marital status protected veteran status disability status or any other status protected by federal state or local law. SimTech participates in E-Verify.

Required Experience:

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