Senior Mechanical Engineer

OptiGrid; Longmont (CO); On-site; USD 115,000 - 135,000; Full time

Benefits offered by this job

Short- & Long-Term Disability Insurance

Life Insurance

PTO

Job summary

A cutting-edge energy solutions company is seeking a Senior Mechanical Engineer to transition innovative product designs into full-scale production. The ideal candidate will have over 5 years of experience in electronics manufacturing and a strong command of 3D CAD design. Key responsibilities include leading product introductions, optimizing manufacturing processes, and ensuring product quality. Join a dynamic team focused on sustainable electrification with competitive benefits.

Qualifications

• 5+ years in electronics manufacturing with product launch experience.
• Expertise in transitioning designs into volume production.
• Proven record of optimizing manufacturing processes.

Responsibilities

• Lead product introduction of mechanical components to production.
• Optimize manufacturing layouts in collaboration with teams.
• Design functional test equipment for product testing objectives.

Skills

3D CAD design

Communication

Problem-solving

Manufacturing process knowledge

Education

Bachelor’s degree in Mechanical Engineering

Tools

PTC Creo Parametric

Arena PLM

Windchill PLM

Job description

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This range is provided by OptiGrid. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

$115,000.00/yr - $135,000.00/yr

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About OptiGrid

At OptiGrid, LLC, we’re on a mission to electrify the future—beyond the grid. We build cutting‑edge battery‑based energy storage systems that deliver ultrafast charging for electric vehicles (EVs) and provide clean, affordable, and resilient power alternatives for site hosts. Our work is transforming how energy is distributed and accelerating sustainable electrification.

We’re growing fast and looking for passionate problem‑solvers who thrive on innovation and want to make a real impact. If you’re resilient, creative, and ready to challenge the status quo, join our team of trailblazers, enthusiasts, and change‑makers.

Position Overview

As a Senior Mechanical Engineer at OptiGrid, you’ll be the driving force behind transitioning innovative product designs from R&D into full‑scale production. Your expertise will directly influence product performance, reliability, and customer satisfaction—opening new markets and driving our technology forward.

You’ll collaborate with talented R&D engineers and manufacturing teams, guiding production line layouts, functional tests, and quality checks. Your work will ensure that every product meets the highest standards of manufacturability and quality, while continuously improving design and process efficiency.

What You’ll Do

• Lead Product Introduction: Own the introduction of new mechanical components into production, ensuring seamless transitions from prototype to volume manufacturing.
• Optimize Manufacturing: Work with manufacturing teams to define assembly order and process for efficient production line layouts.
• Drive Design Excellence: Coordinate design for manufacturability reviews with suppliers, and organize implementation status to guarantee robust, scalable solutions.
• Innovate Testing: Design functional test equipment and create comprehensive test plans to achieve product testing objectives.
• Solve Problems: Diagnose and resolve manufacturing and quality issues for parts and assemblies in production, ensuring reliability and performance.
• Engineer Documentation: Prepare or revise drawings of mechanical parts, wiring harnesses, and schematics derived from specifications and product requirements.
• Collaborate & Build: Coordinate and participate in the assembly of early production units, supporting cross‑functional teams for new product introduction.
• Validate & Improve: Perform mechanical integrity testing on prototypes, support third‑party compliance testing, and drive continuous improvement.

Requirements

• Bachelor’s degree in Mechanical Engineering or equivalent from an accredited institution
• 5+ years in electronics manufacturing, with a track record of successfully launching products from concept to full‑scale production.
• Demonstrated expertise in transitioning designs into volume production using sheet metal, extrusion, and injection molding processes—your skills will help us deliver reliable, scalable solutions.
• Advanced proficiency in 3D CAD design and a deep understanding of ASME Y14.5 standards, ensuring precision and manufacturability in every project.
• Exceptional written and verbal communication abilities, enabling you to collaborate effectively across teams and present ideas with clarity and impact.

Bonus Points

• 10+ years of hands‑on experience in electronics packaging, demonstrating mastery in complex, high‑performance systems.
• Proven track record in designing and manufacturing Electric Vehicle Supply Equipment (EVSE) products
• Experience with lithium‑ion battery system manufacturing, enabling you to drive reliability and safety in next‑generation energy solutions.
• Proficiency in PTC Creo Parametric, including Sheet Metal & Cabling Extension and Harness Manufacturing Extension (HMX)
• Skilled in Arena and Windchill PLM systems, streamlining product lifecycle management and accelerating time‑to‑market.

Benefits

• Short- & Long‑Term Disability Insurance
• Life Insurance
• PTO

At OptiGrid, LLC, we offer fair and equal opportunities to all our candidates and team members regardless of race, color, religion, sex, pregnancy, sexual identity, national origin, citizenship, marital status, disability status, parental status, protected veteran status, or any other characteristics protected by law. OptiGrid, LLC believes in hiring individuals only based on their qualifications and experiences that meet our business requirements to fill the positions.