Senior Systems Engineer (On-Site)

Date Posted:

2026-07-28

Country:

United States of America

Location:

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

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

Security Clearance Type:

None/Not Required

Security Clearance Status:

Not Required

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.

The Mission Solutions & Payloads (MSP) team in El Segundo, CA develops advanced space payloads supporting ISR, missile warning and tracking, Earth observation, and space protection missions. We are seeking Systems Engineers to support the design and development of electro‑optical systems, including imagers, tracking sensors, LIDAR, and directed‑energy payloads.

In this role, you will contribute to mission and system requirements analysis, CONOPS and architecture development, requirements decomposition, trade studies, and IV&V planning. You will support hardware and software integration, develop test plans and procedures, and verify system performance in lab and field environments.  You will work collaboratively across disciplines and with customers throughout the full product lifecycle from early design through integration, flight test, production, deployment, and sustainment while applying Digital Engineering methods such as MBSE and Agile development.  This is an onsite position in El Segundo, CA.

What You Will Do

• Collaborate in a multi‑disciplinary team environment and interface with customers, program management, vendors, and functional partners

• Develop and decompose system requirements, define system interfaces, and support validation and verification planning

• Perform system performance analysis along with hardware and software integration and test activities

• Conduct tests on optical and electrical components and integrated systems, collect data, and analyze results to assess and optimize performance

• Identify issues during testing, perform troubleshooting and calibration, and support system design updates and enhancements

• Execute integration, verification, and validation testing, and document results through clear test reports and technical briefings

• Develop use cases, support test architecture development, and participate in technical reviews and technical interchange meetings

• Perform performance evaluations and root‑cause analysis, including corrective and preventive action development

• Use laboratory or field test equipment and analysis tools such as MATLAB for simulation, modeling, and quantitative evaluation

• Support program activities that may require travel up to 25%

What You Will Learn

• After completion of comprehensive on the job training, the candidate will be a part of a team supporting Systems Engineering and Systems Integration & Test activities across the product development lifecycle

Qualifications You Must Have

• Typically requires a Bachelor’s Degree in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 5 years of prior relevant experience in design/development and testing of EO/IR Systems or related field

• Experience in aspects of product life cycle for space development programs and its events (e.g., SRR, PDR, CDR, TRR, PSR/CTSR)

Qualifications We Prefer

• Advanced Degree Technology, Engineering, or Mathematics (STEM preferred)

• Experience in designing, integrating, or testing EO/IR systems, imagers, focal planes, or opto‑mechanical components

• Knowledge of signal/image processing, computer vision, tracking, machine learning, or object recognition

• Opto‑mechanical engineering principles, embedded computing, control systems, or electronics performance parameters

• Systems architecture and design work, including IV&V planning and execution

• MBSE and requirements‑management tools such as CAMEO or DOORS

• Work performed in integration labs, test facilities, or field environments supporting system integration and verification

• Root‑cause analysis, corrective‑action implementation, and failure‑prevention measures

• Use of Monte Carlo simulations for system‑performance modeling and test strategy support

• Active Secret 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 

• Relocation Eligible – Relocation assistance is available

Learn More & Apply Now!

• Please consider the following role type definition as you apply for this role

• 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

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 95,500 USD - 181,700 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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