Jobs › Companies › Caterpillar › Additive Manufacturing (AM) Technology Engineer (Senior Principal Engineer)

About this Additive Manufacturing (AM) Technology Engineer (Senior Principal Engineer) role at Caterpillar

Caterpillar · Onsite · San Diego, California

Career Area:

Engineering

Job Description:

Your Work Shapes the World at Caterpillar Inc.

When you join Caterpillar, you're joining a global team who cares not just about the work we do – but also about each other.  We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here – we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.


AM Tech Group Focus Areas

  • AM Technology Maturation: Use the Technology Readiness Level (TRL) framework to advance AM technology development in areas including qualification of new AM components, AM distortion prediction, low-angle printing strategies, advanced surface finishing, print parameter optimization, and process monitoring and quality assurance techniques.  Identify high-impact AM component applications and develop pathways to address associated technical gaps and risks.
  • Design for AM Knowledge Capture & Consulting: Document AM best practices in Solar KMS, design manuals, and EDM reports. Lead periodic in-house training for engineering staff and serve as an AM technology subject matter expert for component design teams. Support manufacturing, design, and field teams with root cause/corrective action activities. Monitor industry and university AM technology advancements and identify high-potential emerging AM technologies opportunities.
  • AM Materials Development: Support metallurgical characterization and mechanical properties testing of commercially available and emerging AM Alloys including nickel and stainless steels. Collaborate with external and internal partners (Universities, Labs, M&P, SME) to qualify new AM alloys. Work closely with cross-functional engineering teams to develop material properties design curves and support qualification of new AM components.

 

Key Responsibilities

  • Partner with NPI leadership, Product Owners, and development teams to identify high-impact AM applications that will accelerate NPI activities, enhance product capabilities, and provide greater supply chain flexibility.
  • Lead technical evaluation of tradeoffs and design alternatives related to safety, performance, reliability, manufacturability, cost, serviceability, and risk for AM components.
  • Identify technical risks and develop mitigation strategies to ensure successful execution of AM technology development programs.
  • Develop detailed technology maturation and qualification plans for new AM components or technologies for both development and production applications.
  • Communicate and collaborate with cross-functional teams to execute AM technology development projects.
  • Apply advanced mechanical design principles and analytical tools to support design decisions and resolve complex engineering challenges associated with the development of new AM components.
  • Provide AM-related technical guidance and mentorship to engineers, supply chain, and manufacturing across multiple experience levels.
  • Serve as a Design for AM (DFAM) technical authority and resource within the organization, helping establish engineering best practices and sharing lessons learned through training and mentoring.

Required Qualifications

  • Bachelor's degree in Mechanical Engineering, Aerospace Engineering or engineering discipline.  
  • Demonstrated experience applying Design for Additive Manufacturing (DFAM) principles to the design, development, and qualification of new AM comp.
  • Strong proficiency in 3D modeling  and engineering analysis tools and methods (Ansys, Space Claim, Creo); experience with engineering drawings, BOM development (Windchill, Linked Data), and configuration management, including the ability to interpret and apply analysis results to support design decisions.
  • Extensive experience with design, development, and qualification of turbomachinery components
  • Strong understanding of manufacturing processes, product development, and design for manufacturability principles.
  • Demonstrated ability to work cross-functionally across disciplines to solve complex engineering and organizational challenges.
  • Demonstrated ability to independently solve complex technical problems and provide technical leadership across functional boundaries.
  • Experience mentoring engineers and contributing to the development of organizational technical capabilities.
  • Excellent written and verbal communication skills with technical and non-technical stakeholders.

Top Candidates will also have:

  • Extensive experience delivering technical presentations or speaking at industry conferences is preferred
  • Strong record of documenting project results (EDM’s, Research Reports) and creating standard work documentation such as Design Manual section contributions, Work Instructions, Guidance Notes, Process maps, and Knowledge Management System (KMS) entries.
  • Strong written and verbal Spanish communication skills are preferred

 

 

Summary Pay Range:

$128,470.00 - $192,710.00

Compensation and benefits offered may vary depending on multiple individualized factors, job level, market location, job-related knowledge, skills, individual performance and experience. Please note that salary is only one component of total compensation at Caterpillar. 

Benefits:

Subject to plan eligibility, terms, and guidelines. This is a summary list of benefits.

  • Medical, dental, and vision benefits*

  • Paid time off plan (Vacation, Holidays, Volunteer, etc.)*

  • 401(k) savings plans*

  • Health Savings Account (HSA)*

  • Flexible Spending Accounts (FSAs)*

  • Health Lifestyle Programs*

  • Employee Assistance Program*

  • Voluntary Benefits and Employee Discounts*

  • Career Development*

  • Incentive bonus*

  • Disability benefits

  • Life Insurance

  • Parental leave

  • Adoption benefits

  • Tuition Reimbursement

       

* These benefits also apply to part-time employees

 

 

This position requires working onsite five days a week.

 

 

 

 

Visa Sponsorship is not available for this position.

 

 

Posting Dates:

October 19, 2026 - November 2, 2026

Any offer of employment is conditioned upon the successful completion of a drug screen.

Caterpillar is an Equal Opportunity Employer, Including Veterans and Individuals with Disabilities.  Qualified applicants of any age are encouraged to apply.

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How this Principal Engineer salary compares

This role pays $160,590/yr — in line with the typical range for Principal Engineer roles.

$126,200 median $142,500 $177,800

Typical range $142,500–$175,050/yr, from 146 comparable Principal Engineer listings on JobsRadar (pay annualized to USD). See Principal Engineer salary insights →

About Caterpillar

There’s more to work at Caterpillar than just the work itself. We hire smart, friendly people and it shows in our culture. We hold ourselves to high standards and make sure our values of integrity, excellence, teamwork, commitment and sustainability come to life in the way we work. We make sure our employees feel continuously challenged while also supported. We provide professional growth opportunities, including leadership programs. We celebrate the diversity of our team, while also working together as one Caterpillar. Our culture, like everything at our company, is made possible by each employee’s contribution. Person by person, we create the environment we work in, and we are proud of the

See all jobs at Caterpillar →

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