Mechanical Engineer II

Prattwhitney; El Segundo (CA); On-site; USD 76,000 - 144,000; Full time

Benefits offered by this job

Medical

Dental

Vision

Life insurance

401(k) match

Flexible schedules

Paid time off

Job summary

RTX in El Segundo, CA, seeks a Mechanical Engineer for Airborne Radar packaging including AESA Antenna, Receiver, and Power Subsystems. You will lead small teams, develop concepts, and guide production transitions while meeting cost and performance goals.

The role requires a STEM degree or 3+ years of relevant experience, CREO proficiency, and the ability to obtain and maintain a US security clearance. Relocation may be offered based on eligibility.

Qualifications

• Bachelor’s in STEM or 3+ years in relevant engineering work.
• Experience with CREO or similar 3D modeling software.
• Ability to obtain and maintain a US security clearance.

Responsibilities

• Provide technical support on major programs and lead small design teams.
• Ensure procedures are followed to produce technical data packages and meet objectives.
• Support suppliers fabricating components and assemblies; communicate with leadership.

Skills

STEM degree

CREO

Mechanical design

Education

Bachelor's in STEM

Tools

CREO

Job description

Date Posted: 2026-10-13 Country: United States of America Location: US-CA-EL SEGUNDO-R01 ~ 2000 E Imperial Hwy ~ BLDG R01 Position Role Type: Unspecified 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 freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. 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.

Department and Location

The Airborne Radar Design Department is currently seeking a Mechanical Engineer for the Subsystem & Power Products Engineering section in El Segundo, CA. The person in this position will be involved in electronics packaging design for Airborne Radar Subsystems including AESA Antenna, Receiver, Exciter, Processor and Power Supply subsystems. Tasks will include mechanical engineering support throughout the hardware life cycle, including concept development, preliminary and detail design, familiarity with precision machining techniques, transition to production, production support and installation. Typical technologies include electronic enclosures, thermal heat exchangers (coldwalls), machined components, RF microwave assemblies, and power converter units, all with challenging design constraints including Size, Weight, Power, and design to Cost.

What You Will Do

The candidate will provide technical support on major programs and interface with Lead Mechanical Engineers and Chief Engineers to support design objectives. The candidate will frequently lead small teams through design development and will be expected to ensure that the established procedures are followed in the creation of technical data packages while meeting all program design objectives. Provide support to suppliers who are fabricating components and assemblies. This position requires strong interpersonal, written, and verbal communication skills to maintain positive relationships & satisfaction with leadership (Engineering and Program Management).

Qualifications

You Must Have Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM) degree or a minimum of 3+ years’ prior relevant experience Experience with CREO or similar 3D solid modeling software. Experience with mechanical design, development, documentation, fabrication, assembly, and test/delivery of military electronic products The ability to obtain and maintain a US security clearance.

Qualifications We Prefer Broad based hardware engineering background. Excellent Interpersonal and Multi-tasking Skills Excellent written and verbal communication skills Ability to work independently and in a team environment, including as a leader of small teams. Shall be able to work to a budget and schedule and provide status. Prior experience in Defense or Aerospace Exposure to RF principles, RF circuit card design, RF materials, manufacturing and producibility.

What We Offer

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, and Innovation. This position offers relocation based on candidate eligibility.

Security Clearance

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 This position is classified as: 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.

Salary and Benefits

The salary range for this role is 75,800 USD - 144,200 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.

• 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 limited to, individual performance, business unit performance, and/or the company’s performance.

Eligibility

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.

Equal Opportunity

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.