Remote Mechanical Engineering Intern Summer Jobs in Tucson, AZ

About Spara Technologies

Spara Technologies delivers advanced engineering, staffing, and mission-focused solutions across energy, cyber, air, land, sea, and space domains. We combine the right people, proven processes, and specialized expertise to deliver resultsready to execute today. Driven by our commitment to the warfighter, we place their mission and success at the heart of everything we do.

Spara is seeking a Sr. Mechanical Engineer in this onsite role, you'll be involved in the design, development, and support of mechanical components and sub-assemblies for tactical missile systems. This position offers the opportunity to work on critical defense technologies and collaborate with multidisciplinary teams in a fast-paced engineering environment.

What You'll Do:

• Design, develop, and document mechanical components and assemblies in support of tactical missile systems, ensuring alignment with system and customer requirements.
• Provide engineering support to suppliers and manufacturing facilitiesboth domestically and internationallyincluding troubleshooting, product development, and obsolescence management.
• Collaborate with cross-functional teams (engineering, quality, supply chain, and manufacturing) to develop and validate mechanical design solutions.
• Participate in design peer reviews, conduct trade studies, and contribute to technical decision-making processes.
• Support updates to technical data packages (TDPs), variances, and configuration changes.
• Apply Geometric Dimensioning and Tolerancing (GD&T) principles (ANSI/ASME Y14.5) and perform tolerance analysis to ensure manufacturability and fit.
• Work alongside Quality Engineers to support First Article Inspection (FAI) processes.
• Manage your tasks independently, meeting schedule, technical, and budget commitments with minimal supervision.

Required Qualifications:

• Bachelor's degree in Science, Technology, Engineering, or Mathematics (STEM) and at least 2 years of relevant mechanical engineering experience. An advanced degree may substitute for additional experience.
• Experience with mechanical hardware design and development, preferably for military or defense applications.
• Knowledge of technical data package (TDP) development, including creation, release, and updates.
• Familiarity with manufacturing or production documentation and the ability to interpret technical drawings in a production environment.
• Proficiency in GD&T (ANSI/ASME Y14.5) and tolerance stack-up analysis.
• U.S. Citizenship is required.
• Ability to obtain and maintain a U.S. government-issued security clearance.

Preferred Qualifications:

• Master's degree in Mechanical Engineering, Manufacturing Engineering, or a related field.
• Experience supporting production environments for military-grade productsranging from development through full-rate production.
• Working knowledge of military and commercial specifications.
• Experience using CREO (Pro/ENGINEER) or similar 3D CAD software.
• Familiarity with PTC Windchill or similar Product Data Management (PDM) tools.
• Strong written and verbal communication skills, including experience in technical writing and presenting to stakeholders.
• Demonstrated ability to work independently with minimal supervision and effectively within a team environment.
• Proactive, self-motivated, and committed to continuous improvement and collaboration.

If you're looking to grow your mechanical engineering career while working on leading-edge defense technology, this is an excellent opportunity to join a high-impact, mission-driven team.