Senior Principal Systems Engineer
Company: Raytheon
Location: Boston
Posted on: January 28, 2026
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Job Description:
Date Posted: 2026-01-26 Country: United States of America
Location: US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG,
Tewksbury Tb3 300 Concord 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: Secret - Current 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. Raytheon is seeking a talented and motivated Senior
Principal Systems Engineer to join our team within the Systems
Engineering and Test Capabilities (SETC) Discipline, supporting the
LTAMDS and GhostEye Radars. This role offers a unique opportunity
to work across the full lifecycle of the product, from concept to
deployment. Every day will bring new challenges, requiring you to
collaborate across disciplines to troubleshoot issues, perform data
analysis, and implement solutions. Your contributions will directly
impact the success of mission-critical defense systems, and you'll
have a hands-on role in ensuring the entire system functions
seamlessly. What You Will Do: In this Senior Principal Systems
Engineer role, you will support the following types of activities:
Core Systems Engineering: Develop requirements and algorithms,
concepts of operations, and define system interfaces. Lead Testing
Efforts: Develop and implement test plans, procedures, integration,
and verification documentation in both simulated and real-world
environments. Troubleshoot and Analyze: Identify and resolve
hardware, software, and system issues through detailed data
analysis and debugging. Modeling and Simulation: Develop and
execute models to predict system performance and support
verification and validation. Integrate Systems: Integrate hardware
and software into tactical systems, evaluating their functionality
and impact. Document and Communicate: Develop integration
documentation, execute plans, analyze data, verify requirements and
effectively communicate results to leadership and stakeholders.
Perform Data Analysis: Conduct statistical and numerical analysis
of radar performance data to ensure optimal system performance and
verify requirements. Present Findings: Present technical findings
and solutions to leadership and customers. Support Missions: Travel
as needed (up to 20%) to support mission execution at various
locations including local RTX facilities, test sites, vendor
facilities, and customer locations. This role can be based out of
Tewksbury, Andover, or Marlborough MA or Pelham NH. Qualifications
You Must Have: Typically requires a Bachelor’s in Science,
Technology, Engineering, or Mathematics (STEM) and a minimum of 10
years of prior engineering experience. Experience with systems
software, systems hardware, systems requirements, systems
integration, and/or systems test. Experience developing both
scripts and functions with MATLAB 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. Qualifications We Prefer:
Experience with DOORS, Rhapsody, Cameo, or other digital
engineering tools. Experience with model-based engineering.
Experience in developing and managing requirements. Experience with
C++, Python, or similar Experience with generating technical
documentation, such as test plans, procedures, or technical
reports. Experience working in an integration lab, test facility,
or in the field, supporting integration and/or verification.
Experience with evaluating systems using simulated environments.
Experience interfacing with internal and external 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 132,400 USD - 251,600 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. Privacy Policy and Terms: Click on this link to
read the Policy and Terms
Keywords: Raytheon, Weymouth , Senior Principal Systems Engineer, IT / Software / Systems , Boston, Massachusetts
