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ManTech seeks a motivated, career and customer-oriented Mechanical Engineer to join our team in Crane, Indiana. This is an onsite position. As a core Mechanical Engineer II on our innovative team, you'll be deeply involved in the full spectrum of engineering activities - from initial research and design to seamless integration, rigorous testing, and insightful analysis. You'll focus on developing critical defensive cyber technologies, ensuring mission assurance, advancing command and control systems, and building resilient tactical networks. Your efforts will directly translate into enhanced effectiveness for the warfighter. If you're an enthusiastic and proactive engineer who excels in collaborative, dynamic environments and is driven to make a tangible difference, we encourage you to apply! Responsibilities include but are not limited to: * Design and develop mechanical components, assemblies, and systems using CAD software (e.g., SolidWorks, AutoCAD, CATIA)

• Perform engineering analysis, including stress analysis, thermal analysis, fluid dynamics, and vibration analysis, using FEA and CFD tools
• Select appropriate materials, manufacturing processes, and tolerances for mechanical designs
• Develop and execute test plans and procedures to validate the performance and reliability of mechanical systems
• Troubleshoot and resolve mechanical issues during development, testing, and production phases
• Collaborate effectively with electrical, software, and other engineering disciplines to integrate mechanical systems
• Create and maintain detailed engineering drawings, specifications, and documentation
• Stay up-to-date with the latest industry standards, technologies, and best practices
• Participate in design reviews and provide constructive feedback
• Contribute to continuous improvement efforts for design processes and methodologies

Potentially mentor and provide guidance to junior engineers and technicians Minimum Qualifications : Bachelor's degree in Mechanical Engineering or a related field or equivalent education and years of experience may be substituted in lieu of degree

• 5+ years of relevant experience in mechanical design and analysis, preferably with a focus on electronic systems
• Proficiency in using 3D CAD software (e.g., SolidWorks, AutoCAD, CATIA) for design and documentation

Knowledge of material selection, manufacturing processes, and GD&T Preferred Qualifications: Master's degree in Mechanical Engineering

• Familiarity with environmental testing standards (e.g., MIL-STD-810) and EMI/RFI shielding principles
• Experience designing mechanical solutions for military, aerospace, or other harsh environment applications
• Knowledge of cybersecurity principles and their implications for hardware design
• Familiarity with TEMPEST requirements or other security-related design considerations
• Experience with data center cooling or high-performance computing thermal management

Understanding of cable management best practices for secure environments Clearance Requirements: Must have a current and active Secret Physical Requirements: * The person in this position must be able to remain in a stationary position 50% of the time.

• Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.