Senior Mechanical Engineer - Power Design

Prattwhitney; Sudbury (MA); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Medical

Dental

Vision

401(k) match

Parental leave

Paid time off

Holidays

Job summary

Pratt & Whitney, a RTX business, is seeking a Power Systems Engineer to design electrical power systems for radar platforms. The role requires 3–5 years of relevant experience and proficiency in CREO or similar 3D modeling tools. On-site work in the U.S. with security clearance requirements is expected.

You will lead small development teams, collaborate across disciplines, and ensure design releases meet cost, schedule, and performance targets while adhering to DoD regulatory standards.

Qualifications

• Degree in Science, Technology, Engineering or Mathematics (STEM) with 5+ years of relevant experience; advanced degree preferred.
• Experience designing power/electronic systems for military, aerospace, or ruggedized applications.
• Knowledge of GD&T and drawing standards; experience with data packages.
• Experience leading small development teams and cross-functional collaboration.

Responsibilities

• Design and develop electrical power systems for radar platforms, including layout and distribution.
• Lead design-to-production transitions and ensure smooth releases to manufacturing.
• Perform tolerance analyses to verify form, fit, and function.
• Provide technical guidance to ensure quality, performance, and regulatory compliance.
• Lead small teams to meet schedules and budgets; drive process improvements.
• Collaborate with engineering, operations, QA, and suppliers; communicate with stakeholders.

Skills

Power design

Electronic systems

GD&T

CREO (Pro/E)

Leadership

Communications

Materials selection

Power conversion

Education

B.S. in STEM

Advanced degree (optional)

Tools

CREO (Pro/E)

3D modeling

Job description

Date Posted: 2026-08-31 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. Raytheon brings 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. We deliver solutions that help our nation and allies defend freedom and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

What You Will Do

• Leverage your mechanical and power design expertise to develop innovative technical solutions.
• Lead the design and development of electrical power systems for radar platforms, including layout, power generation, and distribution.
• Manage design-to-production transitions, ensuring seamless design releases into manufacturing.
• Conduct complex tolerance analyses to verify form, fit, and function for radar applications.
• Provide technical guidance to ensure products meet quality standards, performance requirements, and compliance regulations.
• Lead small teams to meet project schedules, budgets, and technical goals while driving process improvements.
• Collaborate with internal engineering disciplines, operations, systems teams, quality assurance, and suppliers.
• Communicate effectively with internal and external stakeholders on significant technical matters.

Qualifications

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience or an Advanced Degree in a related field and minimum 3 years’ experience.
• 3 years experience in the design of power or electronic systems for military or aerospace or commercial applications.
• Experience with ANSI/ASME Y14.5 Geometric Dimensioning and Tolerancing (GD&T).
• Experience developing technical data packages and adhering to drawing standards.
• Experience designing power and power conversion systems used in military or ruggedized applications.
• Leadership experience in managing small development teams.
• Experience with CREO (Pro/E) or similar 3D solid modeling software.
• Knowledge of power design capabilities or have direct experience in power manufacturing and assembly.
• Experience in selection of materials for structural, thermal, mechanical, electrical, producibility, and environmental considerations including corrosion mitigation and prevention.
• Proficient in Microsoft Office tools (Word, Excel, PowerPoint).
• Strong interpersonal, verbal, and written communication skills for collaboration with cross-functional teams and external customers.

What We Offer

A total rewards package that goes above and beyond with compensation; healthcare, wellness, 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.

Relocation assistance available.

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.

• 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

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.

Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. This position requires security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm #LI-TR1 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.

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.