Mechanical Engineer - Nashua

Nashua, NH

Mission of the Role

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.

In Your First Year, You Will:

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.
  • Improve design processes, documentation, or standards.
  • Serve as a trusted technical partner to cross-functional teams.

Essential Duties & Responsibilities

How You Know You’re Winning

  • 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.

Position Requirements

Who You Are

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

Qualifications

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

Education & Experience

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

Why Clear Align

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.