Senior Systems Engineer - Top Secret Required

Prattwhitney; El Segundo (CA); On-site; USD 96,000 - 182,000; Full time

Benefits offered by this job

Relocation eligible

Medical benefits

Dental benefits

Vision benefits

401(k) match

Job summary

Raytheon’s Mission Solutions & Payloads team in El Segundo, CA is seeking Systems Engineers to design and develop electro-optical payloads. You will contribute to requirements analysis, architecture development, and IV&V planning across the product lifecycle.

This onsite role involves lab and field testing, with opportunities to travel up to 25%. Ideal candidates have a STEM degree and 5+ years in EO/IR systems, with DoD clearance eligibility and strong MATLAB/MBSE skills to support

Qualifications

• Bachelor’s in STEM with 5+ years in EO/IR systems design and testing.
• Experience with space development program lifecycle events (SRR, PDR, CDR, TRR, PSR/CTS R).
• Ability to obtain/maintain a DoD security clearance; U.S. citizenship required.

Responsibilities

• Collaborate in a multi-disciplinary team environment interfacing with customers and partners.
• Develop and decompose system requirements and define interfaces.
• Support validation, verification planning, and test activities.
• Perform tests on optical/electrical components and analyze results to optimize performance.
• Document results through clear reports and briefings.

Skills

System engineering

MBSE

MATLAB

Data analysis

Team collaboration

Education

Bachelor in STEM

Advanced degree (MS/PhD)

Tools

CAMEO

DOORS

Job description

Date Posted: 2026-09-28 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: 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 Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedom 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 to create a safer, more secure world.

The Mission Solutions & Payloads (MSP) team 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 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)
• 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

• 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

What We Offer

• Competitive salary
• Benefits include but are not limited to medical, dental, vision, life insurance, holidays, vacation, education reimbursement.
• Relocation eligible
• The salary range for this role is 95,500 USD - 181,700 USD.
• 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.
• 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.

The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.