Senior Hardware Engineer - ESSM Launcher

Prattwhitney; United States; On-site; USD 87,000 - 165,000; 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

Job summary

RTX is seeking an experienced mechanical design engineer in Portsmouth, RI, to lead the design, development, and documentation of defense system components. You will collaborate with structural, thermal, and electrical teams to solve complex challenges and support fabrication and supplier integration.

The role requires a STEM degree with 5+ years of relevant experience, GD&T proficiency, and US citizenship for DoD clearance.

Qualifications

• Typically requires a STEM degree and 5+ years of relevant experience.
• Experience leading small development efforts and teams with cost/schedule responsibility.
• Experience with GD&T (ASME Y14.5) and metal fabrication.
• Proficiency in CAD modeling and Engineering Documentation practices.
• Ability to obtain and maintain a DoD security clearance; US citizenship required.

Responsibilities

• Perform mechanical design, development, and documentation of components, sub-assemblies, and major end items for defense system equipment.
• Collaborate across disciplines to solve complex technical challenges in a fast-paced team environment.
• Support factory and suppliers with product integration and design reviews.
• Conduct trade studies and design reviews to drive sound technical decisions.
• Work with limited supervision to meet schedule, cost, and technical goals.

Skills

CAD modeling

Cross-functional collaboration

System integration

Written & verbal communication

Security clearance eligibility

Education

Bachelor's degree in STEM

Tools

Creo CAD

PDM

Job description

Date Posted: 2026-06-10 Country: United States of America Location: US-RI-PORTSMOUTH-PS3 ~ 1847 W Main Rd ~ NIMITZ WEST BLDG 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.

What You Will Do

• Perform mechanical design, development, and documentation of components, sub-assemblies, and major end items for defense system equipment in accordance with system requirements.
• Collaborate across multiple disciplines/functions (i.e. structural/thermal analyses and electrical engineering) to solve complex technical challenges in a fast-paced, team environment.
• Support the factory and suppliers with product integration.
• Participate in design peer reviews, resolving action items, and conduct trade studies to make sound technical decisions.
• Work with limited supervision and meet commitments for assigned schedule, financial, and technical goals.

Qualifications

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience.
• Experience in leading small development efforts and teams with cost and schedule responsibility.
• Experience with GD&T (ASME Y14.5), Tolerance Analysis, metal fabrication (machining, sheet metal), assembly joining techniques (fasteners, rivets, inserts).
• Experience with CAD modeling and Engineering Documentation practices.
• 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.
• We Prefer Experience in specification, design, development, production and testing of electronics systems.
• Specific knowledge of packaging electronic equipment to meet physical and environmental constraints is preferred.
• Experience with technical execution and development of proposal cost and technical volumes.
• Experience with or certifications to write engineering basis of estimates (BOEs).
• Ability to support international travel (~30%) to customer sites or suppliers.
• Experience with PTC CREO and PDM.
• Experience and certifications in Earned Value Project Management.
• Demonstrated ability to solve difficult problems while working as part of a cross functional team.
• 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.

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 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels.

Relocation Eligibility

Employees may be eligible for relocation assistance as appropriate.

Benefits

• 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

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.

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.

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.