Mechanical Engineer III

Sierra Nevada Corporation

. Lead the design and development of advanced mechanical systems and components .

Posted 10/2/2026full-timeUnited StatesMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in mechanical design principles, advanced mechanical systems development, and the use of CAD software, while effectively collaborating with cross-functional teams and mentoring junior engineers.

Highest-signal resume keywords

Mechanical EngineeringComputer-Aided Design (CAD)CATIA/3DEXPERIENCEComputer Aided Engineering ToolsTechnical Documentation Review

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Mechanical Design PrinciplesComplex Analyses and SimulationsTest Plans and Procedures DevelopmentProblem-Solving TechniquesEngineering Principles and Practices

Soft Skills

Technical GuidanceCollaborationCommunication

Certifications & Qualifications

Secret U.S. Security Clearance

Industry Keywords

Mechanical SystemsMulti-Disciplinary DesignTechnical DocumentationStakeholder CommunicationU.S. Citizenship

About the role

Key responsibilities & impact

Lead the design and development of advanced mechanical systems and components
Perform complex analyses and simulations to validate and optimize designs
Develop and oversee the execution of detailed test plans and procedures
Review and approve technical documentation and reports
Collaborate with cross-functional teams to ensure successful integration of mechanical systems
Mentor junior engineers and provide technical guidance
Apply systematic and logical problem-solving techniques to develop mechanical designs
Convey technical information, design specifications, and project updates to team members, stakeholders, and management

Requirements

What you’ll need

Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related field
6+ years of experience in mechanical engineering or a related role
Higher level relevant degree may substitute for experience
Advanced understanding of mechanical design principles and computer-aided design (CAD) software
Practical knowledge of engineering principles and practices
Experience with Computer Aided Engineering tools
Experience working in multi-disciplinary design and development teams
Experience with CATIA/3DEXPERIENCE
Ability to obtain and maintain a Secret U.S. Security Clearance
U.S. Citizenship status is required
Ability to work on a computer for extended periods
Occasional travel may be required
Ability to understand technical documents, designs and test reports

Benefits

Comp & perks

Medical, dental, and vision plans
401(k) with 150% match up to 6%
Life insurance
3 weeks paid time off
Tuition reimbursement