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Mechanical Engineer II

Sierra Nevada Corporation
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Hybrid (Dayton, OH, USA)
Aug 25, 2026
The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS tailors solutions to customer cost, performance, and schedule requirements and designs to consistently exceed expectations - with an unrivaled record of on time and on (or under) budget deliveries.

SNC has led thoughtful and disruptive change in the aerospace and defense industry for the past 60 years and now, we’re applying this tenacity and expertise to the U.S. Air Force’s (USAF) Survivable Airborne Operations Center (SAOC) mission. Join the SNC-led SAOC team and be a part of exciting and meaningful work to modernize and deliver the next-generation SAOC aircraft trusted by the President, Secretary of Defense and Chairs of the Joint Chiefs of Staff to ensure continued critical command, control and communication during national emergencies. If you’re passionate about building the airborne command post of the future, consider SNC for your next mission. Learn more about NC3 and SAOC here.

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 II, you will be responsible for the design, development, testing, and certification of complex mechanical systems for aerospace and defense applications. You will work closely with cross-functional teams to ensure that mechanical designs meet stringent performance and quality standards.

Responsibilities:

  • Design and develop mechanical components and systems for aerospace and defense applications.
  • Conduct detailed analyses and simulations to validate and optimize designs.
  • Develop and execute comprehensive test plans and procedures.
  • Prepare and review technical documentation and reports.
  • Collaborate with engineering teams to integrate mechanical designs into overall systems.
  • Ensure designs meet industry standards and regulatory requirements.

Qualifications You Must Have:

  • Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related field.
  • 2 years of experience in mechanical engineering or a related role.
  • Higher level relevant degree may substitute for experience.
  • Proficient understanding of mechanical design principles and computer-aided design (CAD) software.
  • Practical Knowledge of engineering principles and practices.
  • Experience with Computer Aided Engineering tools.
  • Familiarity working in multi-disciplinary design and development teams.

Qualifications We Prefer:

  • Master’s degree in a related field.
  • Experience with CATIA/3DEXPERIENCE
  • Experience applying and interpreting Geometric Dimensioning and Tolerancing (GD&T) per ASME Y14.5
  • Knowledge of industry-standard mechanical design principles, to include, but not limited to 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 issues related to mechanical engineering
  • Experience with manufacturing, production, and product support to include 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.
  • Applying 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.

This posting will be open for application for a minimum of 5 days and may be extended based on business needs.

SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more.

IMPORTANT NOTICE:

This position requires the ability to obtain and maintain a Secret U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-U.S. citizens may not be eligible to obtain a security clearance. The Department of Defense Consolidated Adjudications Facility (DoD CAF), a federal government agency, handles the adjudicative aspects of the security clearance eligibility process for industry applicants. Adjudicative factors which affect the outcome of the eligibility determination include, but are not limited to, allegiance to the U.S., foreign influence, foreign preference, criminal conduct, security violations and illegal drug use.

Learn more about the background check process for Security Clearances.

SNC is a global leader in aerospace and national security committed to moving the American Dream forward. We’re known and respected for our mission and execution focus, agility, and disruptive and rapid innovation. We provide leading edge technologies and transformative solutions that support our nation’s most critical security needs. If you are mission-focused, thrive in collaborative environments, and want to make our country stronger with state-of-the-art technologies that safeguard freedom, join our team!

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.

Job ID

R0030511|loc2

Security Clearance

SECRET
About Sierra Nevada Corporation

At SNC, we take an entrepreneurial approach to meeting our customers’ needs by developing innovative technological solutions in a rapid and agile production environment. For our employees, SNC strives to cultivate professional growth at every career stage. We believe in positive attitudes, sense of urgency, team-play, purpose, fire-in-the-belly passion, work-life balance, collaboration, humility, persistence, discipline and trust as accelerators of productivity and fulfillment.

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