Mechanical Engineer - Nashua

The mission of the Mechanical Engineer is to design, develop, and deliver high-performance electro-optical and opto-mechanical systems that enable Clear Align’s customers to see clearly and act decisively in mission-critical defense, aerospace, and commercial environments. This role translates complex system requirements into manufacturable, reliable designs while collaborating across disciplines to deliver innovative, customer-focused solutions.

First 90 Days – Integration & Technical Contribution

• Become fluent in Clear Align’s electro-optical product portfolio, system architectures, and design standards.
• Contribute to active programs by supporting mechanical designs, analyses, and documentation.
• Collaborate with cross-functional teams to understand system-level requirements and constraints.
• Apply GD&T, material selection, and design-for-manufacture principles to assigned designs.

Within 6 Months – Ownership & Execution

• Independently design and release opto-mechanical components or subsystems.
• Lead mechanical aspects of assigned programs and ensure SWaP-C alignment.
• Support proposal activities with technical concepts and risk assessments.
• Troubleshoot design challenges and support current and legacy products.

By 12 Months – Impact & System-Level Contribution

• Deliver complete mechanical designs that integrate seamlessly into electro-optical systems.
• Influence system-level trade studies and design decisions.
• Serve as a trusted technical partner to cross-functional teams.

• Designs meet performance, tolerance, manufacturability, and reliability requirements.
• Designs transition smoothly from concept to production with minimal rework.
• System-level risks are identified and mitigated early.
• Cross-functional teams rely on your technical input.
• Customer requirements are consistently met or exceeded.

• System-level thinker
• Passion for opto-mechanical design
• Commitment to precision and accountability
• Organized and self-directed problem solver

• Experience designing mechanical or opto-mechanical components
• Strong GD&T and tolerance analysis skills
• Knowledge of materials, finishes, and manufacturing processes
• Proficiency in Solid Works or similar CAD software

• BS or MS in Mechanical Engineering
• US Person status required with ability to obtain Security Clearance

Clear Align develops AI-enabled, networked EO/IR systems supporting missions where precision matters. Our vertically integrated capabilities allow engineers to see their designs realized from concept through production in a collaborative, mission-driven environment.

Clear Align is an Equal Opportunity Employer.