Raytheon Technologies

Sr Eng, Systems Engrg

Raytheon Technologies$95K — $181K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Degree in STEM fields (Science, Technology, Engineering, Mathematics) with 5+ years of relevant experience
  • Experience with simulation of space vehicles and satellite constellations
  • Skilled in using tools like Ansys STK, MathWorks MATLAB, or simulation and analysis software for aerospace
  • Proficiency in coding with MATLAB or Python
  • Active U.S. government issued Top Secret security clearance is mandatory

Responsibilities

  • Evaluate system requirements through CONOPS and Design Reference Missions
  • Model and simulate satellites and system-of-systems architectures
  • Design and integrate mission data processing algorithms
  • Implement innovative model-based solutions for performance simulations
  • Analyze data for performance requirements in missile and space system integration
  • Develop analytical metrics to validate proposed architectures
  • Drive algorithm development for next-gen system-of-systems performance

Benefits

  • Medical, dental, and vision insurance
  • Life insurance and short/long-term disability benefits
  • 401(k) match program
  • Flexible work schedules and spending accounts
  • Employee assistance programs and Employee Scholar Program
  • Parental leave and paid time off
  • Paid holidays
Full Job Description
Date Posted:
2026-08-11
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:
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: Top Secret
Security Clearance Status:
Active and existing security clearance required on day 1

The Integrated Solutions, Modeling, and Architecture (ISMA) Directorate supports customer focused mission modeling and simulation activities for all customer areas at Raytheon. Our teams develop, analyze, and create flexible integration solutions crossing all product areas such as sensors, effectors, command and control, logistics, and operations. They develop tools and methods to evaluate campaign, mission, and system level analysis and visualizations based on customer requirements. The department has a tradition of excellence through innovation and teamwork while championing individuality in a flexible work environment to meet the needs of today's workforce.

As a member in the Cross-Domain and Space Operations Solutions Section, you will be joining a team of high-performing engineers focused on using simulation and analysis of current and future integrated space systems and capabilities (orbital and ground) across RTX to include Golden Dome Architectures and Space Based Intercept.

This is an onsite role in El Segundo, CA.

What You Will Do
  • Evaluate end-to-end system requirements through CONOPS and Design Reference Missions (DRMs) to understand space and missile system integration interfaces and data connectivity across military kill-chains.
  • Provide modeling and simulation of satellites, constellations, and system-of-systems architectures
  • Support design and integration of mission data processing algorithms to improve detection, tracking, data correlation and data fusion
  • Develop and implement innovative model-based solutions to support mission trade studies and performance simulations.
  • Contribute knowledge of performance engineering practices and procedures to evaluate work across a wide range of computational problems across multiple domains.
  • Analyze data to understand performance requirements for integration of space and missile systems.
  • Develop analytical metrics to validate proposed architectures against missile and space systems requirements as well as help shape future tech growth.
  • Develop and implement algorithms to provide next-generation performance across entire system- of- systems to include the integration of space and missile systems.


Qualifications You Must Have
  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience unless prohibited by local laws/regulations.
  • Experience with simulation and analysis of space vehicles and satellite constellations, including orbital dynamics, satellite constellation design, and satellite communications including link budget analysis.
  • Experience with the Ansys Systems Tool Kit (STK) or other multi-domain mission analysis, scenario modeling, and visualization for aerospace, defense, and other complex systems ie AGI STK (Systems Tool Kit, MathWorks MATLAB and Simulink, LtSim, OpenSceneGraph, Cesium, Cesium, VTK
  • Experience with MATLAB or Python.
  • Active and transferable U.S. government issued Top Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance


Qualifications We Prefer
  • Technical, analytical and communication skills for collaboration with peers and presentation to senior technical staff and customers.
  • Experience with Solis, Astrogator, and/or ODTK.
  • Active TS/SCI security clearance
  • Experience with Raytheon owned Modeling and Simulation tools (e.g. OpsTool or RCADE) or Government/Industry Modeling and Simulation tools (e.g. Missile Tool Kit or AFSIM).
  • Advanced degree in Science, Technology, Engineering or Mathematics (STEM).
  • Experience with Java, C++ or equivalent programming language
  • Experience conducting analyses and studies, including how to define and execute a study and evaluate a new concept of operation.


Learn More & Apply Now

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.

Clearance Information: 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

Location Info and/or Links:

El Segundo, CA: https://careers.rtx.com/global/en/raytheon-el-segundo-ca-location #LI-RH2

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.

About Raytheon Technologies

Raytheon Solipsys, a wholly-owned subsidiary of the Raytheon Company, is an industry leader in the development of integrated Command and Control (C2) Network-Centric solutions for the Domestic and International DoD and Homeland Security. Through proven systems and software engineering practices, built on the invention and application of innovative technologies, they deliver the C2 infrastructure necessary to effectively control security/military forces in any environment. Their reliable solutions assure information superiority, increased shared awareness, deep sensor reach, aircraft control, air defense, disaster management, and time-critical decision making.

Raytheon Technologies Careers

Join the innovative world of Raytheon Technologies, a leader in aerospace and defense, where we offer unparalleled job opportunities in an environment that champions diversity, leadership, and professional growth.

Work You’ll Do

At Raytheon Technologies, you’ll be part of a company that values innovation and leadership. Our team is dedicated to solving some of the most complex challenges in aerospace and defense, making significant impacts worldwide. With a culture that fosters diversity and inclusion, you will collaborate with some of the brightest minds in the industry.

Transform Your Career

Step into a role that harnesses your skills and propels your career to new heights. Raytheon Technologies is not just about thinking big but making those big ideas happen. We provide robust career development opportunities that include comprehensive training and development programs, leadership workshops, and continuous learning through our internal platforms.

Innovate and Lead

Join our team of over 60,000 professionals globally, who are not only experts in their fields but are also driven by a passion for innovation and excellence. At Raytheon Technologies, you are positioned at the forefront of the industry, where your work directly contributes to groundbreaking advancements in technology and defense.

Internship and Employment Opportunities

Whether you’re starting your career or looking to advance, Raytheon Technologies offers a range of employment and internship opportunities that can help you achieve your professional goals. Our internships provide a solid foundation of skills and experiences, while our full-time positions offer a path to personal and professional growth within the company.

Benefits and Culture

Our employees enjoy a competitive package of benefits and rewards that reflect their invaluable role in our company. From health and wellness programs to performance bonuses and flexible working conditions, we ensure our team members are well taken care of.

Networking and Professional Development

At Raytheon Technologies, networking and professional development are part of our DNA. We encourage our employees to engage in internal and external networking events, leadership training, and diversity initiatives that enhance their career journey.

Join Our Team

Explore the numerous positions available that match your skills and interests. We are looking for passionate, curious, and solution-driven team players who are ready to take their career to the next level.

Stay Connected

Keep up to date with career tips, industry insights, and the latest innovations—all from the people who work here. Personalize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences.

Prepare for Your Future

Ready to apply? Enhance your resume and prepare for your interview with our comprehensive support tools and resources. Discover the exciting and rewarding career opportunities that await at Raytheon Technologies.

SEARCH RAYTHEON TECHNOLOGIES JOBS

Join us in our mission to create a safer future and be a part of a team that values integrity, excellence, and teamwork. At Raytheon Technologies, your career is just the beginning of a lifelong journey of professional and personal growth.
Learn more about Raytheon Technologies
Size
14,771 employees
Market Cap
$32,494
Industry
Founded
1922
NASDAQ

Similar Jobs

More Jobs at Raytheon Technologies

More Aerospace & Defense Jobs

Find similar Sr Eng, Systems Engrg jobs: