Principal Additive Manufacturing Design Engineer

RTX; East Hartford (CT); On-site; USD 108,000 - 205,000; Full time

Job summary

RTX is seeking a Principal Additive Manufacturing Design Engineer to advance the design and analysis of AM components for aerospace and defense. You will apply NX CAD, FEA tools, and novel implicit modeling methods across multidisciplinary teams to accelerate additive adoption and product readiness.

The role requires a strong engineering foundation, experience with scripting, and the ability to manage multiple projects while communicating progress to leadership.

Qualifications

• University engineering degree or equivalent; 8+ years experience, or advanced degree with 5+ years experience.
• Minimum 5 years CAD use (Siemens NX preferred) for mechanical design.
• Experience with finite element analysis (e.g., Ansys, Abaqus, COMSOL).
• Minimum 2 years scripting with CAD tools and languages listed.
• Minimum 1 year experience with implicit modeling tools such as nTop.

Responsibilities

• Support RTX Business Units with design and FEA expertise for additive adoption.
• Develop and document design methodologies and tools for AM and CAD methods.
• Define automated AM software tools and a unified toolchain for large-scale components.
• Perform topology optimization for AM-enabled geometries in multiple domains.
• Lead and manage multiple design, development, and demonstration projects.
• Communicate results to upper management and stakeholders.

Skills

Engineering fundamentals

Strong communication

Multidisciplinary collaboration

Leadership potential

Education

Bachelor's in Engineering

MS/PhD preferred

Tools

Siemens NX

Finite Element Analysis tools (Ansys Abaqus COMSOL)

nTop implicit modeling

Scripting: Matlab, Python, VBA, JavaScript

Job description

Location: US-CT-EAST HARTFORD-RTRC H ~ 411 Silver Ln ~ RTRC H

Date Posted: 2026-08-27

Country: United States of America

Location: US-CT-EAST HARTFORD-RTRC H ~ 411 Silver Ln ~ RTRC H

Position Role Type: Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type: DoD Clearance: Secret

Security Clearance Status: Active and existing security clearance required after day 1

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Join us and help shape the future of aerospace and defense.

The Additive Manufacturing Process and Capability Center (AMPCC) encompasses a critical mass of Additive Manufacturing (AM) process and industrialization experts, the necessary equipment, and develops the strategic collaborations needed to rapidly mature the technology and manufacturing readiness of AM. The AMPCC is focused on the research, development, and deployment of additive manufacturing tools and processes for our business units.

What You Will Do

The Principal Additive Manufacturing Design Engineer will be challenged with solving unique and interesting problems to enable new commercial aerospace and defense products. They will be responsible for one or more of the following activities as they relate to the AMPCC, including:

• Support RTX Business Units by providing design and FEA expertise to increase the rate of additive adoption
• Development, demonstration, and documentation of design methodologies and tools for additive manufacturing including conventional CAD and implicit modeling-based approaches
• Definition of automated AM software tools and methodologies for interconnection of individual tools into a unified toolchain capable of operating on large, component-level scales
• Topology Optimization for generation of geometries enabled by additive manufacturing across structural, thermal, or hydrodynamic domains
• Execution of Design for Additive Manufacturing (DfAM) projects to support business unit adoption of additively manufactured components and systems
• Establish relationships with government, industry, academic, and RTX Business Units and lead development of whitepapers, project concepts, and responsive proposals
• Management of multiple design, development, and demonstration projects
• Summarize and communicate results of key programs to upper management

Qualifications You Must Have

The preferred candidate should have a strong understanding of engineering principles and hands on experience working with laboratory equipment. Candidate must be able to work effectively in a multidisciplinary, collaborative team environment focused on innovation and have demonstrated both verbal and written communication skills including:

• Typically requires a University Engineering Degree or equivalent experience and minimum 8 years prior relevant experience, or an Advanced Degree in a related field and minimum 5 years experience
• Minimum 5 years CAD user (Siemens NX preferred) for mechanical design and product engineering
• Experience with finite element analysis (e.g. Ansys, Abaqus, COMSOL)
• Minimum 2 years scripting experience with CAD tools, Matlab, Python, VBA, JavaScript or similar
• Minimum 1 year experience with implicit modeling tools such as nTop including development of custom blocks

Qualifications We Prefer

• Preferred candidates for this position will have an MS or PhD in Mechanical Engineering or related technical field.
• Working understanding of AM processes including laser powder bed fusion

What We Offer:

Whether you’re just starting out on your career journey or are an experienced professional, we offer a robust total rewards package with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care.

Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as: Onsite: Employees who are working in Onsite roles will work primarily onsite.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 107,500 USD - 204,500 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class.