Mechanical Engineer III (Structures) (Clearance Required)

At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth. Our team shares a spirit of innovation and collaboration, believing we can deliver on the boldest missions in space today. Together with our customers, we aim to safeguard our nation, sustain human presence in space, and secure the freedom of operations in low Earth orbit and beyond.

About the Role

The Mechanical Engineer III role focuses on providing imaginative and practical solutions to wide-ranging technical problems consistent with organizational objectives. This position requires a complete understanding and application of technical principles, standards, theories, and concepts, as well as general knowledge of related disciplines. You will work independently under general direction, taking ownership of discrete technical packages as a Responsible Engineer (RE) and providing guidance to less experienced engineers.

Responsibilities

• Collect and analyze data related to mechanical systems, propulsion, structures, structural analysis, or environmental systems.
• Provide solutions to wide-ranging technical problems that are imaginative, thorough, practical, and consistent with organizational objectives.
• Prepare detailed technical documentation and reports to communicate findings and support project objectives.
• Take design engineering ownership of small programs and/or discrete technical packages, potentially serving as a Responsible Engineer (RE).
• Mentor and coach junior engineers, fostering their technical and professional development.
• Collaborate within cross-functional teams to achieve project goals and meet deadlines.
• Frequently communicate with external and internal stakeholders to support project requirements and ensure delivery of quality products on time and within budget.

Requirements

• Bachelor’s degree in a related field (or equivalent work experience in lieu of degree, or master’s +3 years experience).
• Typically, 5+ years of related experience.
• Expertise in Mechanical Engineering technical standards, principles, theories, concepts, and techniques, with general knowledge of related disciplines.
• Experience managing discrete technical packages as a Responsible Engineer (RE).
• Ability to provide guidance to entry-level engineers.
• Ability to work under general direction to independently determine and develop approaches to solutions.
• An active Top Secret U.S. Security Clearance is required.

Qualifications

Preferred Qualifications:

• Strong working knowledge of design, analysis, and test methods, tools, and processes related to Thermal Control Systems.
• Proficiency with engineering CAD tools such as NX, SolidWorks, or similar, including advanced understanding of detail drawing standards and GD&T.
• Proficiency with engineering analysis tools such as ANSYS or similar.
• Experience with project management and the ability to manage multiple tasks simultaneously.
• Strong problem-solving skills and attention to detail.
• Excellent communication and presentation skills.
• Ability to work independently and within a team, demonstrating effective collaboration skills.
• Demonstrated ability to meet deadlines and deliver high-quality results.
• Working knowledge of manufacturing processes, material sciences, and their impact on mechanical systems.
• Experience with end-item testing and validation, including the ability to design and execute complex test plans.

Pay

Pay Range: $110,664.00 - $152,184.00. Your actual base compensation will be determined on a case-by-case basis and may vary based on job-related knowledge, skills, education, experience, internal equity, and market competitiveness.

Benefits

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

Sierra Space is committed to your personal and professional development, empowering you to make meaningful contributions while fostering a vibrant culture of collaboration.