Mechanical Design Engineer - Sr. Mechanical Design Engineer

Delta Star Inc.; San Carlos (CA); On-site; USD 90,000 - 125,000; Full time

Job summary

Delta Star Inc. is seeking a Mechanical Design Engineer to lead the mechanical design of medium voltage, mobile power transformers, and mobile substations.

You will generate 3D models, shop drawings, and lead routing using Autodesk Inventor, ensuring accuracy and compliance with industry standards. Ideal candidates hold a Mechanical Engineering degree with 2–5 years in transformer design, strong CAD skills, and the ability to manage multiple tasks under tight deadlines.

Qualifications

• Bachelor's degree in Mechanical Engineering with United States work authorization.
• 2–5 years of experience in power transformer design, including ≥2 years in mechanical design.
• Ability to relocate or commute to the assigned plant location within a reasonable distance.

Responsibilities

• Generate 3D core and coil designs and internal diagrams using EAP and Inventor.
• Create internal shop drawings and verify accuracy against standards.
• Design wood structures and perform 3D lead routing with Inventor.
• Develop internal connection diagrams based on transformer nameplates.
• Produce material usage files for ERP and ordering.
• Provide production support by addressing missing dimensions and details.
• Long-term: design external transformer parts, tank drawings, and programming plasma/wood routing machines.

Skills

CAD software

Transformer design

Time management

Multitasking

Problem solving

Collaboration

Education

Bachelor's degree in Mechanical Engineering

Tools

Autodesk Inventor

Job description

Build something that matters.

At Delta Star the work we do has a real impact. Every transformer we build helps deliver reliable electricity to homes, businesses, and communities across North America.

As we continue to grow, we are looking for people who want more than just a job. We are looking for individuals who want to learn, contribute, solve challenges, and build a meaningful career alongside a team that is committed to delivering power at all times.

Summary

Delta Star Inc. is seeking a talented and detail-oriented Mechanical Design Engineer to provide engineering leadership and design support for the mechanical components of medium voltage, mobile power transformers, and mobile substations. If you're passionate about safety, quality, and delivering innovative solutions that meet customer expectations, we'd love to hear from you!

What You'll Do

As a Mechanical Design Engineer, you'll play a key role in designing, verifying, and supporting the mechanical aspects of transformer production. From generating 3D designs to creating shop drawings and ensuring design accuracy, you'll contribute to delivering high-quality transformers that align with industry standards and customer requirements.

A Day in the Life

As a Mechanical Design Engineer, you'll create 3D core and coil designs using our engineering automation platform (EAP), verifying them against Delta Star standards and technical decisions. You'll generate internal shop drawings, develop internal connection diagrams, and design woodwork structures and lead routing using Autodesk Inventor. Your work will also include generating material usage files for ERP system integration and providing production support by resolving issues and offering technical guidance. Over time, you'll expand your role to include external transformer designs and tank drawings, along with plasma and wood routing machine programming.

Specific Duties

• Generate 3D core and coil designs using EAP, ensuring compliance with standards.
• Create internal core, coil, and layout shop drawings and verify for accuracy.
• Design internal woodwork structures and perform 3D lead routing using Autodesk Inventor.
• Develop internal connection diagrams based on transformer nameplates.
• Produce material usage files for ERP system analysis and material ordering.
• Provide production support by addressing missing dimensions, details, and auxiliary views.
• Long-term responsibilities include designing external transformer parts, creating tank drawings, and programming plasma and wood routing machines.

What We're Looking For

We're seeking a highly skilled and organized professional with a strong background in mechanical engineering and power transformer design.

Position Requirements

• Bachelor's degree in Mechanical Engineering.
• 2-5 years of combined experience in power transformer design and engineering, with at least 2 years focused on mechanical design.

Must live or be willing to relocate to within a reasonable safe commute to the assigned plant location. Must be authorized to work in the United States for any employer for U.S. based positions.

Skills & Competencies

• Proficiency in CAD software.
• In-depth knowledge of power transformer design, materials, and standards.
• Strong organizational and time management skills.
• Proven ability to manage multiple tasks with tight deadlines.
• Excellent problem-solving skills and the ability to collaborate effectively with teams.

Why Our Employees Join, Grow, and Stay

At Delta Star, you will find more than a job. You will join a team that values people, supports growth, and trusts you to make an impact. Whether you're on the shop floor, in the field, or in the office, you will work alongside talented people to solve meaningful challenges, power communities, and build a rewarding career. With opportunities to learn, advance, and contribute, plus a culture built on respect, teamwork, and work-life balance, Delta Star is a place where you can thrive for the long term

Benefits That Support You

We believe that a rewarding career starts with feeling supported both at work and at home. That's why we offer a competitive total rewards package designed to support your health, financial well-being, professional growth, and work-life balance. Eligible employees have access to medical, dental, and vision coverage, retirement savings programs, paid time off, life and disability protection, wellness resources, employee assistance programs, and additional voluntary benefits that help you and your family thrive.

Pay Transparency

We are committed to fair and transparent pay practices. Compensation for this position will be determined within the posted salary range based on factors such as candidate qualifications, relevant experience, internal equity, market competitiveness, skills, and certifications. For union-represented roles, pay is established by the applicable collective bargaining agreement.

Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

AAP/EEO Statement

Delta Star is an EEO/Affirmative Action Employer and does not discriminate on the basis of age, race, color, religion, gender, sexual orientation, gender identity, gender expression, national origin, protected veteran status, disability or any other legally protected status.