Mechanical Engineer I – Structural Analysis

Prattwhitney; Marlborough (MA); On-site; USD 57,000 - 109,000; Full time

Benefits offered by this job

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

Holidays

Annual short-term incentive

Annual long-term incentive

Job summary

Raytheon seeks a Mechanical Engineer I in Marlborough, MA, to join the MA&T department. You will contribute across product lifecycles from design studies to production support, learning from a team of 200+ engineers and handling diverse structural analyses and test activities.

Ideal candidates hold a Mechanical Engineering degree, experience with major analysis tools, CREO, and MATLAB, with strong communication skills and willingness to travel for program activities. Relocation is considered.

Qualifications

• Bachelor's degree in Mechanical Engineering or related STEM major obtained by start date.
• Experience with PATRAN, NASTRAN, ANSYS, ABAQUS or equivalent software.
• Experience with solid modeling CAD like CREO or equivalent.
• Matlab experience.
• Excellent communication skills; both verbal and written.
• Structural test and instrumentation experience.

Responsibilities

• Perform hand calculations and determine requirements for higher order detailed analysis.
• Perform detailed structural analyses to solve various program structural design challenges.
• Generate test plans required to validate analyses and verify hardware compliance to requirements.
• Analyze test data to validate and correlate models, and/or generate mechanical loads and environments.
• Work with experienced analysts on problems of moderate complexity to provide the answers needed under program cost and schedule constraints.
• Coordinate and lead technical peer reviews ensuring the technical accuracy of work product.
• Present results to internal stakeholders and external customers.
• Generate detailed, archival technical reports.

Skills

PATRAN

NASTRAN

ANSYS

ABAQUS

CREO

MATLAB

Communication skills

Education

Bachelor's degree in Mechanical Engineering or related STEM major

Advanced degree in aforementioned disciplines

Tools

PATRAN

NASTRAN

ANSYS

ABAQUS

CREO

MATLAB

Job description

Date Posted: 2026-08-16 Country: United States of America Location: US-MA-MARLBOROUGH-MA1 ~ 1001 Boston Post Rd ~ BLDG 1 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. At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world.

The Mechanical Analysis and Test (MA&T) Department is responsible for ensuring structural and thermal design robustness across the Raytheon portfolio of products. From preliminary concepts to fielded weapon system support, MA&T delivers innovative structural and thermal engineering solutions utilizing methods ranging from classical fundamental & empirically based techniques to state-of-the-art finite element methods leveraging industry leading commercial tools; all complimented and validated by tests executed in a manner to ensure cost effective yet technically balanced solutions.

Mechanical Engineer I

Raytheon is seeking a Mechanical Engineer I to join the MA&T Department. In this role you will get the opportunity to work on products throughout their lifecycle from initial design trade studies and proposals through qualification testing to enduring production support. Entry level engineers will join and learn from a team of 200+ engineers working in all areas of structural engineering, and can expect a wide variety of assignments, from classical stress analyses to cutting edge computer aided analysis methodologies and field test support at locations around the world. This posting is for an onsite position in Marlborough, MA.

What You Will Do

• Perform hand calculations and determine requirements for higher order detailed analysis
• Perform detailed structural analyses to solve various program structural design challenges
• Generate test plans required to validate analyses and verify hardware compliance to requirements
• Analyze test data to validate and correlate models, and/or generate mechanical loads and environments
• Work with experienced analysts on problems of moderate complexity to provide the answers needed under program cost and schedule constraints
• Coordinate and lead technical peer reviews ensuring the technical accuracy of work product
• Present results to internal stakeholders and external customers
• Generate detailed, archival technical reports

What You Will Learn

• How to work as part of an Integrated Product Team, collaborating with other engineering disciplines to solve challenging technical problems for our customers
• How structural engineering is conducted in an innovative industry setting, through comprehensive department-sponsored training and mentoring from senior staff

Qualifications

• Bachelor's degree in Mechanical Engineering or related (STEM) major obtained by start date
• Experience with one of the following tools: PATRAN, NASTRAN, ANSYS, ABAQUS or equivalent software
• Experience may be obtained through on-the-job experience, research, coursework, or projects
• Experience with solid modeling CAD tool such as CREO or equivalent
• Experience with Matlab
• Excellent communication skills; both verbal and written
• Structural test and instrumentation experience
• Ability to travel to government and other facilities in support of program activities
• Advanced degree in aforementioned disciplines
• ABET is the preferred, although not required, accreditation standard

What We Offer

• 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
• Holidays
• Annual short-term incentive compensation programs
• Annual long-term incentive compensation programs

The salary range for this role is 57,200 USD - 108,800 USD. The salary range provided is a good faith estimate representative of all experience levels.

Relocation Eligible

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. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses - Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.