Jobs in the United States

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Added 1 min ago
R
Backend Engineer (In-Person)
Refine
New York City, NY
- $75,000 to $100,000 USD / year
…understanding of microservices architecture and high-performance inter-process communication patterns. You will be working along MLOps and frontend teams. Great opportunity to help lead…
Added 2 mins ago
Sr IT Software Engineer
Palo Alto Networks, Inc.
CA
The Senior Software Engineer on the Data & Analytics team will design, build, and support full-stack applications; integrate AI technologies into existing and new applications to deliver…
Added 3 mins ago
CA
Product Marketer
Conduit AI
San Francisco, CA
- $150,000 to $200,000 USD / year
You do the work yourself, with AI tools, a GTM engineer and freelancers. You will not have a team on day one.
Added 3 mins ago
CA
Founding Recruiter
Conduit AI
San Francisco, CA
- $140,000 to $185,000 USD / year
…then hand the candidates off to the team for the rest of the process. Once we decide to hire someone, you run the offer and help close…
Added 4 mins ago
A
Support Systems Engineer - NAMER
Ashby
Remote, United States
- $100,000 to $130,000 USD / year
That’s why we’re searching for a Support Systems Engineer to become the long-term owner of our Support systems.
Added 4 mins ago
GA
Solutions Engineer
Grove and Grey
San Francisco, CA
- $110,000 to $165,000 USD / year
…customers onboarding weekly. To keep pace, we’re hiring a Solutions Engineer / Implementation Lead to own customer implementations end-to-end while supporting sales, success, and product.…
Added 5 mins ago
CA
General Engineer
Customs and Border Protection
Aliso Viejo, CA · Euless, TX
- $106,437 to $138,370 USD / year
Professional Registration or Licensure: Current registration as an Engineer Intern (EI), Engineer in Training (EIT)1, or licensure as a Professional Engineer (PE) by any State, the District…
Added 6 mins ago
MT
Site Reliability Engineer
Medina Talent Group
Irvine, CA
- $125,000 to $155,000 USD / year
As a Site Reliability Engineer, you will be immersed in a high-performing and frequently challenged team responsible for the reliability, scalability, and operational excellence of product…
Added 6 mins ago
Researcher/Engineer - Low-Latency Networking
Mibura Inc.
Remote, United States
Mibura has been a trusted partner of the world's leading technology companies for 17 years. We move, store, process, and secure the world's data with internet engineering at our core.…
Added 6 mins ago
Network Support Engineer
Mibura Inc.
Remote, United States
Join our team as a Network Support Engineer, where your technical & analytical skills, proactive mindset, and passion for solving complex problems with the internet will come into play.…
Added 7 mins ago
Senior Power Systems Engineer
Analog Devices Inc.
CA
DC/HV Power System Engineer within Datacenter Infrastructure
Added 7 mins ago
Senior Power Systems Engineer
Analog Devices Inc.
CA
DC/HV Power System Engineer within Datacenter Infrastructure
Added 7 mins ago
Process Engineer I-IV
Compass Minerals
Ogden, UT
Summary: The Process Engineer serves as a technical leader responsible for process engineering activities associated with the design, operation, optimization, and continuous improvement of…
Added 8 mins ago
AI Full Stack Engineer (Volunteer)
Solution Community
Remote, United States
Volunteer AI Full Stack Engineer (AI-Native / Rapid Development)
Added 9 mins ago
Sr. Manufacturing Execution Systems (MES) Engineer
Community Talent Partners
Raleigh, NC
Community Talent Partners is seeking an experienced Senior MES Engineer on behalf of a client in the industrial automation sector, based in Raleigh, North Carolina.
Added 10 mins ago
Mechanical Engineer
Fabri
Billerica, MA
Fabri is seeking a Mechanical Engineer to design and build the equipment that powers every step of our casting process. You will own mechanical systems from concept to commissioned…
Added 12 mins ago
Full Stack Software Engineer ($8,500) - Sarasota, FL
Jobs Xchange
Sarasota, FL
Are you a software engineer with a passion for developing web-connected applications and a strong foundation in programming? At Jobs Xchange, you'll have the opportunity to work on…
Added 12 mins ago
Full Stack Software Engineer ($5,000) - Chicago, IL
Jobs Xchange
Chicago, IL
We are seeking a talented and motivated Full Stack Software Engineer to join our innovative team in Chicago. This role is crucial in developing and maintaining our web applications,…
Added 12 mins ago
Backend Software Engineer ($10,000) - Washington, DC
Jobs Xchange
Washington, DC
Are you a backend software engineer with a passion for building the future of communication, even if you're not actively searching? Imagine contributing your expertise to a cutting-edge…
Added 12 mins ago
Senior Software Quality Engineer
Abbott Laboratories
Sylmar, CA
Added 14 mins ago
UI
Manufacturing Design Engineer
Ulysses Inc.
San Francisco, CA
- $130,000 to $180,000 USD / year
We're looking for a Manufacturing Engineer to build the tooling and test infrastructure that makes that possible - and "tooling" undersells it. A good part of what you build will be…
Added 14 mins ago
GL
Frontend Developer (Founding Team)
Gradientflo Labs
San Francisco, CA
- $32,000 to $40,000 USD / year
…role for someone who just "makes things look good." We need an engineer who understands the React reconciliation process, cares deeply about Core Web Vitals, and writes self-documenting…
Added 15 mins ago
Security Engineer Internship
Metasys
Remote, United States
The Security Engineer is a critical role responsible for implementing and enforcing robust security practices across our entire integrated supply chain e-commerce platform. You will…
Added 15 mins ago
W
Tooling Design Engineer
WorkWave
Jamestown, NY
- $50,000 to $100,000 USD / year
Tooling, Fixture and Process Design per customer requirements
Added 16 mins ago
GI
Data Engineer
Guidehouse Inc.
VA
- $85,000 to $141,000 USD / year

RTX

Senior Mechanical Engineer

United States

The salary range for this role is 118,300 USD - 224,900 USD.

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Job details

Pay: The salary range for this role is 118,300 USD - 224,900 USD.
Experience: 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.
Posting language: English
Posted: Nov 4, 2026

Original job description

Date Posted:

2026-11-04

Country:

United States of America

Location:

US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01

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 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. What You Will Do The Airborne Radar Mechanical Design Department is currently seeking a Principal Mechanical Engineer for the Receiver & Electronic Packaging 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 throughout the hardware life cycle, including concept development, preliminary and detail design, transition to production, production support and installation. Designs will be for tactical airborne defense environment-based sensor systems including ground¬ based, shipboard, airborne, and space sensors. Typical technologies include high density printed wiring board assemblies, electronic enclosures, thermal heat exchangers, 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 Learn Design and release mechanical parts and systems for Receiver & Electronic Packaging and other sub-systems. Provide engineering support to internal operations and external suppliers. Create 3-D models, 2-D detail drawings, and Change Notices. Support creation of Design Specification and Acceptance Requirement documents. Qualifications You Must Have Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM) degree or a minimum of 8 years’ prior relevant experience, to include any combination of the following: Experience with completing detailed layouts and design documentation using Computer Aided Design tools Experience with providing support to suppliers who are fabricating the unit components and assemblies. 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. . Qualifications We Prefer Proficiency in RF principles, RF circuit card design, RF materials, manufacturing and producibility. Design experience in high-frequency environments, enclosure design, EMI shielding, and thermal management. Proficiency with CREO (Pro/E) or similar 3D solid modeling software. Exposure to manufacturing processes for CCAs, metal housings, and brazements; or experience in a manufacturing and assembly support role. Strong technical background with high technical aptitude. Advanced degree in Mechanical, Electrical, or Aerospace Engineering. Prior experience in Defense or Aerospace Antenna Mechanical Design Experience Possess active security clearance 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 is an onsite position and offers relocation based on candidate eligibility. Learn More & Apply Now! This position requires a 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 ohibited by local laws/regulations. Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as: Onsite: 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. Hybrid: Employees who are working in Hybrid roles will work regularly both onsite and offsite. Ratio of time working onsite will be determined in partnership with your leader. Remote: Employees who are working in Remote roles will work primarily offsite (from home). If you live within a reasonable commute of an RTX site with other colleagues you interact with, your manager will discuss whether there is a degree of onsite presence associated with this role. Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility. Requires advanced to expert knowledge of work area typically obtained through advanced education combined with experience. May have broad knowledge of project management. Requires substantial knowledge of RTX projects, programs or systems in order to provide enhancements within job area. Typically requires: A University Degree or equivalent experience and minimum 8 years prior relevant experience, or An Advanced Degree in a related field and minimum 5 years experience Engineering/Other Technical Positions: Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience unless prohibited by local laws/regulations.

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.

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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