Principal Mechanical Engineer

Pratt & Whitney; United States; Remote; USD 108,000 - 205,000; Full time

Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

401(k) match

Job summary

RTX is seeking a Principal Mechanical Engineer for remote work to design RF systems for challenging thermal and vibration environments. You will lead programs as an REA or IPTL and liaise with customers to ensure success on technical, cost and schedule targets.

The role requires a STEM degree with 8+ years of experience (or advanced degree with 5+ years) and experience with defense electronic systems, GD&T, and CREO. This is a 100% remote position in the U.S.

Qualifications

• Degree in Science, Technology, Engineering, or Mathematics (STEM) required with 8+ years' experience.
• Experience with defense electronic systems is required.
• GD&T and ASME drawing standards knowledge.
• 3+ years solid modeling in CREO or similar.

Responsibilities

• Design RF systems for high vibration environments.
• Lead programs as REA or IPTL and coordinate teams.
• Mentor matrix team and provide guidance.
• Present technical results and manage customer relationships.
• Communicate with leadership to meet schedule and cost targets.

Skills

Electronics packaging

Mentoring

Technical presentations

Customer relationships

Education

STEM degree

Advanced degree

Tools

CREO/Pro/Engineer

FEA

GD&T

Job description

Date Posted: 2026-10-05

Country: United States of America

Location: US-CA-REMOTE

Position Role Type: Remote

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.

The Principal Mechanical Engineer is a key technical contributor to the programs and products supported by the department. These activities may include designing Radio Frequency (RF) systems for challenging thermal and high vibration environments. This candidate will lead programs as a Responsible Engineering Authority (REA) or Integrated Product Team Lead (IPTL), and serves as a liaison to programs, ensuring program success along technical, cost and schedule parameters, as well as overseeing junior engineer’s job assignments and performance.

This position is 100% remote.

What You Will Do

• Possess working knowledge of electronics packaging design and manufacturing.

• This knowledge set includes, but is not limited to, thermal and structural design and analysis, electrical component design, construction and failure modes, printed wiring board and circuit card assembly processes and best practices, surface mount and through hole component installation processes and failure modes, metal fabrication and finishing methods, RF isolation mechanical design, and environmental test methods and equipment.

• Have working knowledge of electronics/processor systems design and development utilizing COTS/MOTS components and products.

• Provide technical guidance and act as a mentor to his/her matrix team.

• Make technical presentations and establish customer relationships.

• Be a “self-starter” able to lead by example, possessing strong interpersonal, written and verbal communication skills, and maintain positive relationships and satisfaction with functional and program leadership.

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience or an advanced degree in a related field and minimum 5 years’ experience.

• Experience with Mechanical Design, Development and/or Implementation of Defense related Electronic Systems.

• Experience with Geometric Dimensioning and Tolerancing (GD&T) and ASME drawing and documentation standards and procedures.

• Experience with solid modeling with a minimum of three years of creating and documenting mechanical designs in Pro/Engineer/CREO or similar modeling tools.

Qualifications We Prefer

• Experience with EW/Radar Systems or RF Products.

• Experience with Conformal Antenna Array Packaging.

• Experience with managing budget and schedule (Earned Value Management (EVM).

• Previous experience with design reviews including preparation of chart decks, generating design artifacts and presenting to customers.

• Experience with electronics packaging, cabling and harness design, or printed wiring board designs and routing.

• Experience with structural and thermal analysis using FEA modeling techniques.

• Experience developing Basis of Estimate (BOEs) for proposals and providing proposal technical volume leadership.

• Proficiency with Parts Management and Materials and Process Engineering COTS / MOTS Design and Development.

• Experience executing root cause analysis and developing effective corrective actions.

• Experience interfacing and communicating with customers (internal/external), regarding assessments of program performance (technical, cost and schedule).

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.

• Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, Innovation, and Safety.

#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.

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.

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