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Principal Systems Engineer; Onsite

Job in Pasadena, Los Angeles County, California, 91102, USA
Listing for: Raytheon
Full Time position
Listed on 2026-10-26
Job specializations:
  • Engineering
    Systems Engineer, Aerospace / Aviation / Avionics
Job Description & How to Apply Below
Position: Principal Systems Engineer (Onsite)
Job d:
Posted 10 Days Ago

Start Date:

Location:

US-CA-PASADENA-4800-CUST ~ 4800 Oak Grove Dr ~ OAK GROVE (External Site)
Country:
United States of America Time Type:
Full time

Date Posted:

Country:

United States of America

Location:

US-CA-PASADENA-4800-CUST ~ 4800 Oak Grove Dr ~ OAK GROVE (External Site)

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: TS/SCI - Current

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 freedom and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

Raytheon is seeking a Principal Systems Engineer

Location:

Pasadena, California

What You Will Do Stakeholder & Customer Interface:
Interface with various stakeholders and customers to understand their needs and identify appropriate system solutions for a specific domain area.

Working Group Leadership:
Run a working group to host technical discussions and align system solutions.

Architecture Development:
Develop CONOPs (Concepts of Operations) and system architecture for new capabilities.

Trade Studies:
Run trade studies to identify and recommend the best options, considering technical, cost, and schedule constraints.

Status & Risk Monitoring:
Monitor and understand the status and risk of capabilities currently in development.

Reporting:
Communicate status and risk to stakeholders and customers on a regular basis.

Capability Development:
Interface with various stakeholders and customers to understand gaps in utility to develop and mature new capabilities

Test & Verification:
Develop and execute system test plans; conduct verification and/or validation of complex systems through test plan execution; review test results for system capabilities; conduct detailed analysis of results to the extent able, or clearly communicate analysis needs to the analyst team and put together final briefing packages for customers.

Qualifications You Must Have Typically requires a Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 8 years of prior engineering experience.

Experience with CONOPS development, requirements development/sell-off, test planning, and/or test data review.

An active and transferable TS/SCI 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 the required security clearance.

Qualifications We Prefer  Experience communicating technical details with stakeholders, both internal and external organizations.

Experience working with government customers.

Experience running a small team (1-3 others) to execute a test.

Experience with data analysis and Agile concepts.

What We Offer Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX…
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