Senior Mechanical Engineer

Viken Detection is seeking an experienced and driven Senior Mechanical Engineer to join our growing, highly collaborative engineering team. This role will play a key technical leadership position in the development of next-generation X-ray and chemical detection systems, spanning precision handheld devices to large-scale vehicle and cargo scanning platforms.

The Senior Mechanical Engineer will lead complex mechanical designs, mentor junior engineers, and partner closely with Engineering, Physics, Program Management, and Operations to drive products from concept through full-rate production and sustaining engineering.

Responsibilities

• Lead mechanical system and subsystem design efforts across multiple product platforms
• Collaborate with Engineering, Physics, and Program Management teams to refine system architecture and requirements
• Drive rapid prototyping and proof-of-concept development in a fast-paced R&D environment
• Own mechanical design deliverables including Bills of Materials (BOMs), drawings, tolerance analyses, and test fixtures
• Support New Product Introduction (NPI) activities, including early production builds and training manufacturing teams
• Perform and guide sustaining engineering, incorporating production, quality, and field feedback into design improvements
• Apply engineering judgment to designs involving plastics, structural metals, rotating mechanisms, and electromechanical assemblies
• Provide technical mentorship and design guidance to junior mechanical engineers

• Bachelor’s or Master’s degree in Mechanical Engineering 
• 7+ years of progressive mechanical engineering experience in product development environments 
• Proven experience designing one or more of the following: 

Handheld or portable devices 

Electromechanical or robotic systems 

Large-scale industrial or scanning equipment

•  Solid understanding of manufacturing processes including: 

Molded plastics

Structural components

Mechanical mechanisms

• Experience with SolidWorks or Onshape (preferred)
• Working knowledge of finite element analysis (FEA) strongly preferred 
• Strong interpersonal and communication skills, with the ability to collaborate cross-functionally 
• Demonstrated ability to take ownership of designs from concept through production

Additional Information

Location: This role is based in Burlington, MA. We are seeking local candidates, as relocation assistance is not available.

Work Authorization: Applicants must be authorized to work in the U.S. on a full-time basis. 

Compensation details: 105000-155000 Yearly Salary

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