Modeling & Simulation Engineer/ Systems Engineer II (Onsite)

Date Posted:

2026-03-05

Country:

United States of America

Location:

US-MA-WOBURN-WB2 ~ 225 Presidential Way ~ GODDARD BLDG

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 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.

Join our Integrated Solutions Modeling & Architecture (ISMA) team and become part of an innovative group that develops groundbreaking solutions for mission-critical systems. From designing tools for system integration to conducting mission-level analyses, we deliver flexible, customer-focused results that span sensors, effectors, command and control, logistics, and operations.

We are currently seeking a Modeling and Simulation Engineer, Systems Engineer II to join our Concept of Operations (CONOPS) Analysis section—a team that drives the development of next-generation CONOPS for advanced systems. This is an onsite role based in Woburn, MA, or Tewksbury, MA.

 What You Will Do

• Develop and implement mission modeling and simulation solutions to support trade studies and performance evaluations.

• Collaborate with multidisciplinary teams to analyze and solve complex computational challenges.

• Evaluate end-to-end system needs, including interfaces and data connectivity requirements across entire kill-chains.

• Analyze performance data and develop metrics to validate architectures against mission requirements.

• Contribute to shaping future technological advancements through innovative algorithms and next-generation system-of-systems performance enhancements.

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 2 years of prior relevant experience.

• Experience modeling and/or simulating physical systems.

• Experience with with programming tools like MATLAB, Python, and/or C/C++.

• Ability to obtain Interim Secret U.S. government issued security clearance is required prior to start date. 

Qualifications We Prefer

• Advanced degree in Systems Engineering, Software Engineering, Operations Research, Math, Physics, or Aerospace Engineering.

• Active Secret or Top Secret clearance.

• Strong knowledge of system engineering life-cycle models.

• Experience in data analysis, statistics, and conducting studies with large datasets.

• Familiarity with CONOPS, system tradeoffs, threat definitions, and system-of-systems assessments.

• Exceptional technical and analytical skills to deliver credible solutions to customers.

What We Offer

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.

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 68,900 USD - 131,100 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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