Mechanical Engineer III

Sierra Nevada Corporation; Miamisburg (OH); On-site; USD 85,000 - 110,000; Full time

Benefits offered by this job

Medical, dental, and vision plans

401(k) with 150% match up to 6%

Life insurance

3 weeks of paid time off

Tuition reimbursement

Job summary

Sierra Nevada Corporation is seeking a Mechanical Engineer III based in Miamisburg, Ohio. In this role, you will lead the design, development, and testing of advanced mechanical systems for aerospace and defense applications. The ideal candidate should have over 6 years of hands-on experience in mechanical engineering and a Bachelor’s degree in a relevant field.

The position offers competitive benefits including medical plans, a 401(k) plan with a generous match, and paid time off. U.S. Citizenship is required due to the necessity of a Secret U.S. Security Clearance.

Qualifications

• 6+ years of experience in mechanical engineering or a related role.
• Experience working in multidisciplinary design and development teams.
• Knowledge of industry-standard mechanical design principles.

Responsibilities

• Lead the design and development of advanced mechanical systems and components.
• Perform complex analyses and simulations to validate and optimize designs.
• Mentor junior engineers and provide technical guidance.

Skills

Mechanical design principles

Advanced understanding of CAD software

Computer Aided Engineering tools

Problem-solving techniques

Education

Bachelor's degree in Mechanical Engineering, Aerospace Engineering, or related field

Master's degree in a related field

Job description

Do you enjoy designing and developing innovative solutions to solve tough problems? Join our team to deliver technological solutions in a rapid and agile production environment. As a Mechanical Engineer III, you will lead the design, development, testing, and deployment of advanced mechanical systems for aerospace and defense applications.

SNC is a leading aerospace and defense contractor focused on ISR, aviation, and security solutions.

Responsibilities

• 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.

Qualifications – Must Have

• Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related field.
• 6+ years of experience in mechanical engineering or a related role.
• Advanced understanding of mechanical design principles and CAD software.
• Practical knowledge of engineering principles and practices.
• Experience with Computer Aided Engineering tools.
• Experience working in multidisciplinary design and development teams.

Qualifications – Preferred

• Master’s degree in a related field.
• Understanding of applying and interpreting Geometric Dimensioning and Tolerancing (GD&T) per ASME Y14.5.
• Background in the Aerospace and Defense Industry.
• Knowledge of industry‑standard mechanical design principles, including parametric design, model‑based definition, material hardware selection, manufacturing, and production processes.
• Knowledge of environmental requirements for components utilized in aircraft and space applications.
• Experience providing technical guidance to a diverse team of engineers on mechanical engineering issues.
• Experience with manufacturing, production, and product support, including disposition of engineering non‑conformances.
• Familiarity with FAA, NASA, and/or DoD design and construction regulations.

Essential Functions

• Ability to work on a computer for extended periods.
• Occasional travel may be required.
• Ability to work in an office or hybrid environment.
• Apply systematic and logical problem‑solving techniques to develop mechanical designs.
• Clearly convey technical information, design specifications, and project updates to team members, stakeholders, and management.
• Ability to understand technical documents, designs, and test reports.

Security Clearance & Citizenship

• Must obtain and maintain a Secret U.S. Security Clearance.
• U.S. Citizenship required; non‑U.S. citizens may not be eligible.

Benefits

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

EEO Statement

SNC is an Equal Opportunity Employer committed to an environment free of discrimination. Employment decisions are made based on merit without regard to race, color, age, religion, sex, national origin, disability, status as a protected veteran or other characteristics protected by law.