Posted today
Secret
$107,500 - $204,500
Unspecified
Engineering - Mechanical
Old Mystic, CT (On-Site/Office)
Date Posted:
2026-02-10
Country:
United States of America
Location:
US-CT-OLD MYSTIC-011 ~ 11 Main St ~ MAIN
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 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 Raytheon Hardware Engineering Organization leads the hardware design, development and production support of a wide breadth of air, land, sea, and space systems. The Hardware Engineering team strives to be the premier organization for mechanical design and development through our world class people and technology - creating trusted, innovative solutions to make the world a safer place. Hardware Engineering's capabilities encompass a broad range of technical disciplines which include engineering, technical services, materials, processes, analysis, test, and documentation.
Within the Hardware Engineering Organization, the Undersea & Electronics Systems (UES) Department leads the mechanical design, development, and integration of products, including but not limited to undersea sensors and analysis, naval platforms, shipboard/ground-based processing and power equipment, and launchers.
The UES department is looking for a full-time Principal Mechanical Engineer with experience in structural acousticsThis role will be on-site and located in Mystic, CT.
What You Will Do
Qualifications You Must Have
Qualifications We Prefer
What We Offer
• Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.
• Relocation Eligibility
Learn More & Apply Now! (Optional)
• Please consider the following role type definition as you apply for this role.
- 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. 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.
Privacy Policy and Terms:
Click on this link to read the Policy and Terms
2026-02-10
Country:
United States of America
Location:
US-CT-OLD MYSTIC-011 ~ 11 Main St ~ MAIN
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 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 Raytheon Hardware Engineering Organization leads the hardware design, development and production support of a wide breadth of air, land, sea, and space systems. The Hardware Engineering team strives to be the premier organization for mechanical design and development through our world class people and technology - creating trusted, innovative solutions to make the world a safer place. Hardware Engineering's capabilities encompass a broad range of technical disciplines which include engineering, technical services, materials, processes, analysis, test, and documentation.
Within the Hardware Engineering Organization, the Undersea & Electronics Systems (UES) Department leads the mechanical design, development, and integration of products, including but not limited to undersea sensors and analysis, naval platforms, shipboard/ground-based processing and power equipment, and launchers.
The UES department is looking for a full-time Principal Mechanical Engineer with experience in structural acousticsThis role will be on-site and located in Mystic, CT.
What You Will Do
- Work with a small, specialized team of engineers operating in a respectful, collaborative, and productive work environment. Work environment is primarily in the office but may include occasional travel and working in labs and / or government test facilities.
- Execute a broad spectrum of technical studies in the field of structural acoustics encompassing the development of analytical and numerical models, interpreting model results, and resolving differences between model predictions and experiments. Leverage findings and insights to advance the state-of-the-art.
- Collaborate with multi-organizational teams including external customers focused on developing solutions for emerging technologies.
- Support business development efforts and identify new growth areas.
Qualifications You Must Have
- Typically requires an advanced degree in Physics or Engineering and a minimum of 8 years of prior experience in the field of structural acoustics unless prohibited by local laws/regulations.
- Experience with naval platforms or undersea systems
- Proficiency and extensive experience in numerical modeling methods for vibro-acoustics, e.g., finite element analysis and statistical energy analysis.
- Proficiency with Matlab
- Experience with working as a customer interface and across disciplines
- 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.
Qualifications We Prefer
- PhD in Engineering or Physics.
- Strong theoretical background in structural acoustics of Navy submarine and surface ship platforms.
- Experience conducting land-based airborne noise and structureborne noise testing in accordance with applicable MIL-STDs.
- Experience conducting underwater shock simulations.
- Experience designing and performing assessments of underwater transducers and arrays.
- Experience supporting or leading multi-organizational S&T / R&D programs.
- Experience designing and performing assessments of noise control solutions.
- Experience writing technical proposals and supporting new business capture.
- Demonstrated ability to effectively manage execution and prioritization of multiple projects simultaneously
- Strong communication skillset with ability to articulate, in both oral and written form, to technical, non-technical and management audiences
What We Offer
• Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.
• Relocation Eligibility
Learn More & Apply Now! (Optional)
• Please consider the following role type definition as you apply for this role.
- 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. 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.
Privacy Policy and Terms:
Click on this link to read the Policy and Terms
group id: 10116815
At RTX, we're a diverse team of explorers united in our goal to push the boundaries of known science – and solve the world's most complex problems.