Raytheon Technologies

Principal Mechanical Engineer - Antenna & Electronic Packaging

Raytheon Technologies$118K — $224K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in STEM or 7 years of relevant experience.
  • Familiarity with ANSI drawing standards.
  • Knowledge of GD&T (Geometric Dimensioning & Tolerances).
  • Experience in electronic packaging for airborne applications.
  • Proficiency with CAD tools, specifically CREO or similar.

Responsibilities

  • Provide technical support on major programs and collaborate with Lead Mechanical Engineers.
  • Lead design development projects, ensuring adherence to technical data package procedures.
  • Develop design concepts from requirements and conduct design trade-offs.
  • Create technical solutions for complex problems and manage detailed layouts.
  • Support suppliers in the fabrication of components and assemblies.
  • Understand the Engineering Change Release process using PDM systems.
  • Act as a Responsible Engineering Authority for assigned subsystems.

Benefits

  • Medical, dental, and vision insurance
  • Life insurance and short-term/long-term disability
  • 401(k) match and flexible spending accounts
  • Flexible work schedules and the Employee Scholar Program
  • Paid time off, parental leave, and holidays.
Full Job Description
Date Posted:
2026-07-17
Country:
United States of America
Location:
US-CA-EL SEGUNDO-R01 ~ 2000 E Imperial Hwy ~ BLDG R01
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

The Airborne Radar Design department is currently seeking a Principal Mechanical Engineer for the Radar Antenna Design II section in El Segundo, CA. The person in this position will be involved in electronics packaging design for Airborne Radar Subsystems including Antenna, Receiver, Exciter, Processor and Power Supply subsystems. Tasks will include mechanical engineering support through the hardware life cycle, including concept development, preliminary and detail design, integration and test, transition to production, production support and installation. Typical technologies include electronic enclosures, heat exchangers including coldwalls, machined components, RF microwave assemblies, wiring, connectors, and power supplies. Constraints will include size, weight, power, design to cost, design for manufacture, and compressed project schedules.

What You Will Do:
  • Provide technical support on major programs and interface with Lead Mechanical Engineers and Chief Engineers to support design objectives.
  • Lead smaller project teams through design development, ensuring that established procedures are followed in the creation of technical data packages while meeting all program design objectives.
  • Work from requirements to develop unit design concepts and perform design trades.
  • Be responsible for developing technical solutions to a wide range of complex problems.
  • Complete detailed layouts and design documentation using Computer Aided Design tools.
  • Provide support to suppliers who fabricate components and assemblies.
  • Understand Engineering Change Release process and work within the company provided Product Data Management (PDM) system.
  • Be a Responsible Engineering Authority (REA) for a subsystem for program assignment.


Qualifications You Must Have:

Typically requires a Bachelor's in Science, Technology, Engineering, or Mathematics (STEM) degree or a minimum of 7 years' prior relevant experience, to include any combination of the following:
  • Experience with ANSI drawing standards.
  • Experience with GD&T (Geometric Dimensioning & Tolerances).
  • Experience with electronic packaging for Airborne applications.


Qualifications We Prefer:
  • Design experience in high-frequency environments, enclosure design, EMI shielding, and thermal management.
  • High proficiency with CREO or similar 3D solid modeling software.
  • Proficiency in RF principles, RF circuit card design, RF materials, manufacturing and producibility.
  • Experience with Antenna, Receiver, Exciter, or Processor mechanical design.
  • Exposure to manufacturing processes for CCAs, metal housings, and brazements, or experience in a manufacturing and assembly support role.
  • Advanced degree in Mechanical or Aerospace Engineering.
  • Prior experience in Defense or Aerospace.
  • Active security clearance.


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 118,300 USD - 224,900 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.

About Raytheon Technologies

Raytheon Solipsys, a wholly-owned subsidiary of the Raytheon Company, is an industry leader in the development of integrated Command and Control (C2) Network-Centric solutions for the Domestic and International DoD and Homeland Security. Through proven systems and software engineering practices, built on the invention and application of innovative technologies, they deliver the C2 infrastructure necessary to effectively control security/military forces in any environment. Their reliable solutions assure information superiority, increased shared awareness, deep sensor reach, aircraft control, air defense, disaster management, and time-critical decision making.

Raytheon Technologies Careers

Join the innovative world of Raytheon Technologies, a leader in aerospace and defense, where we offer unparalleled job opportunities in an environment that champions diversity, leadership, and professional growth.

Work You’ll Do

At Raytheon Technologies, you’ll be part of a company that values innovation and leadership. Our team is dedicated to solving some of the most complex challenges in aerospace and defense, making significant impacts worldwide. With a culture that fosters diversity and inclusion, you will collaborate with some of the brightest minds in the industry.

Transform Your Career

Step into a role that harnesses your skills and propels your career to new heights. Raytheon Technologies is not just about thinking big but making those big ideas happen. We provide robust career development opportunities that include comprehensive training and development programs, leadership workshops, and continuous learning through our internal platforms.

Innovate and Lead

Join our team of over 60,000 professionals globally, who are not only experts in their fields but are also driven by a passion for innovation and excellence. At Raytheon Technologies, you are positioned at the forefront of the industry, where your work directly contributes to groundbreaking advancements in technology and defense.

Internship and Employment Opportunities

Whether you’re starting your career or looking to advance, Raytheon Technologies offers a range of employment and internship opportunities that can help you achieve your professional goals. Our internships provide a solid foundation of skills and experiences, while our full-time positions offer a path to personal and professional growth within the company.

Benefits and Culture

Our employees enjoy a competitive package of benefits and rewards that reflect their invaluable role in our company. From health and wellness programs to performance bonuses and flexible working conditions, we ensure our team members are well taken care of.

Networking and Professional Development

At Raytheon Technologies, networking and professional development are part of our DNA. We encourage our employees to engage in internal and external networking events, leadership training, and diversity initiatives that enhance their career journey.

Join Our Team

Explore the numerous positions available that match your skills and interests. We are looking for passionate, curious, and solution-driven team players who are ready to take their career to the next level.

Stay Connected

Keep up to date with career tips, industry insights, and the latest innovations—all from the people who work here. Personalize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences.

Prepare for Your Future

Ready to apply? Enhance your resume and prepare for your interview with our comprehensive support tools and resources. Discover the exciting and rewarding career opportunities that await at Raytheon Technologies.

SEARCH RAYTHEON TECHNOLOGIES JOBS

Join us in our mission to create a safer future and be a part of a team that values integrity, excellence, and teamwork. At Raytheon Technologies, your career is just the beginning of a lifelong journey of professional and personal growth.
Learn more about Raytheon Technologies
Size
14,771 employees
Market Cap
$32,494
Industry
Founded
1922
NASDAQ

Similar Jobs

More Jobs at Raytheon Technologies

More Aerospace & Defense Jobs

Find similar Principal Mechanical Engineer - Antenna & Electronic Packaging jobs: