About The Position

The Sr. Mechanical Engineer is responsible for the design and development of new and improved products. This position is located at Allegion Hollow Metal (DCI) in Fontana, CA. DCI Hollow Metal on Demand is the nationwide leader in custom hollow metal and commercial steel doors and frames. As a Sr. Mechanical Engineer, you will support New Product Engineering deliverables including business case development, concept generation, design development, design analysis, creating formal documentation, testing, and other engineering tasks. At Allegion, we are driven by a bold vision: redefining safety while empowering our employees to thrive. When you join our team, you become part of a culture that values innovation, purpose, and excellence. This role is an onsite position based in our Fontana, CA facility, offering the opportunity for hands-on engineering work and in-person collaboration for meaningful moments. We are committed to fostering a healthy work-life balance and building meaningful connections, ensuring you have the tools, resources, and support needed to excel in your environment. Together, we’ll unlock your potential and create a lasting impact. Qualified candidates must be legally authorized to be employed in the United States. The company does not intend to provide sponsorship for employment visa status (e.g., H-1B, TN, etc.) for this employment position.

Requirements

  • BS or MS in Mechanical Engineering (Required)
  • 5+ years of engineering experience, including at least 3 years in new product development (Required)
  • Proficiency with engineering tools including FMEA, Root Cause Analysis, GD&T, Tolerance Stack Analysis & DFM/DFA (Required)
  • Understanding of Hollow Metal Doors & Frames manufacturing processes, including: Sheet Metal Fabrication (Cutting & Punching), Roll Forming & Press Brakes, Core Bonding & Pressing, Welding & Assembly, Hardware Preparation & Integration, Finishing & Paint Systems, and Design for Manufacturing (DFM) – (Required)
  • Ability to perform structural and motion calculations and identify appropriate materials, processes, and designs (Required)

Nice To Haves

  • CAD modeling and drafting proficiency, SolidWorks (Preferred)
  • Design for Six Sigma proficiency (Preferred)

Responsibilities

  • Conceive, design, develop, and analyze new and improved products.
  • Improve upon current designs by reducing cost and increasing robustness and reliability.
  • Communicate project status through reports, presentations, and design reviews.
  • Perform project tasks to ensure that projects are completed within acceptable time and cost targets, making design trade-offs to ensure the lowest overall cost, highest reliability, and best performance.
  • Provide capable project/task leadership and collaborate effectively with a cross-functional team.
  • Work with vendors to source and evaluate purchased components and with manufacturing to produce or assemble manufactured components and assemblies.
  • Support product test development and execution.
  • Participate in and support engineering projects across our other Allegion Hollow Metal manufacturing sites located in Southern CA (Chino & Pico Rivera).

Benefits

  • Health, dental and vision insurance coverage
  • Unlimited Paid Time Off
  • 401K plan with a 6% company match and no vesting period
  • Health Savings Accounts
  • Flexible Spending Accounts
  • Disability Insurance –Short-Term and Long-Term coverage
  • Life Insurance
  • Tuition Reimbursement
  • Voluntary Wellness Program
  • Employee Discounts through Perks at Work
  • Community involvement and opportunities to give back
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service