Power Systems Engineer Jobs in California

Date Posted:

2026-08-11

Country:

United States of America

Location:

US-CA-EL SEGUNDO-R09 ~ 2222 E Imperial Hwy ~ BLDG R09

Position Role Type:

Onsite

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

Active and transferable U.S. government issued security clearance is required prior to start date. 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 on 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.

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.

The ISMA Senior Engineer supports multiple IRADs, CR&Ds, and programs in both air and space domains as either an individual contributor and/or a technical lead overseeing other ISMA engineers. Our teams develop, analyze, and grade flexible integration solutions crossing all product areas (sensors, effectors, command and control, logistics, and operations), developing tools and methods to evaluate campaign, mission, and system level analysis and visualizations based on customer requirements.

This is an Entry Level role onsite in El Segundo, CA

What You Will Do:

• You will support multiple IRADs, CR&Ds, and programs in both air and space domains as part team of ISMA engineers
• You will be responsible for the development and integration of variable-fidelity computer models and simulations that effectively capture system and system of systems effects in complex threat environments. These models will generate virtual and/or analytical solutions to identify technology gaps, demonstrate the operational benefits of new mission concepts (e.g., Manned-Unmanned Teaming) in complex operational scenarios, develop requirements, test systems, and train operators.
• Evaluation of end-to-end system needs to discover system interfaces and data connectivity requirements across the kill-chain (e.g., ensuring sensors can “talk to” shooters)
• Modeling of system and mission kill chains (e.g., intercepting a threatening ballistic missile) with tools such as Government, Commercial, and Raytheon simulations (e.g. AFSIM, STK)

Qualifications You Must Have:

• Master’s degree in the following areas: Aerospace, Electrical, Mechanical and Computing Engineering.
• Course work related to radar (RF) or electro optical (EO) or infrared (IR) sensing systems.
• Experience with scripting languages such as Python or MATLAB
• Experience with Military Operations Analysis

Experience may be obtained through on‑the‑job experience, research, coursework, or projects

Qualifications We Prefer:

• Experience with Numerical Optimization Techniques, Analysis of Alternatives, or Design of Experiments.
• Strong technical writing and oral communication skills.
• Experience providing briefs and presentations to US government customers
• Experience with AFSIM
• Active Top-Secret Clearance
• An active SCI
• Experience with ESAMS

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

Learn More & Apply Now!

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

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.

Please upload a copy of your most recent transcripts with your resume when applying to this requisition. Include your cumulative GPA and projected graduation date on your resume.

This position requires the ability to obtain 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

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 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.

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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