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Added 1 hour ago
Energetics Tool Engineer (Level V)
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Voyager is an innovative defense, national security and space technology company committed to advancing and delivering transformative, mission-critical solutions. We tackle the most complex…
Added 1 hour ago
EG
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Microsoft System Administrator SME
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ENGINEER
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The ability to obtain and maintain a U.S. government issued security clearance is required.
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FPGA Electrical Engineer I (Onsite)
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The ability to obtain and maintain a U.S. government issued security clearance is required.
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Lead test automation initiatives, including the integration of automated testing into CI/CD pipelines and DevSecOps processes.
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- $110 to $120 USD / hour
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Senior Cybersecurity Engineer (Center of Excellence)
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Added 5 hours ago
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Added 5 hours ago
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Research Engineer III - Building Energy Modeling
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Software Engineer II - Building Applications
Pacific Northwest National Laboratory
UNAVAILABLE · Portland, OR · Seattle, WA · Richland, WA
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Our Science & Technology directorates include National Security, Earth and Biological Sciences, Physical and Computational Sciences, and Energy and Environment. In addition, we have an…
Added 5 hours ago
Advanced Sciences and Technologies (AS&T)- Software Engineer - Level 3 (Pomona, NJ)
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…Flexibility) Job Description Join our team at AS&T as a Software Engineer – Level 3 and contribute your extensive software engineering experience to the Federal Aviation Administration’s…

RTX

Principal Systems Engineer - Responsible Systems Engineer Onsite

United States

The salary range for this role is 107,500 USD - 204,500 USD.

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Job details

Pay: The salary range for this role is 107,500 USD - 204,500 USD.
Posting language: English
Posted: Oct 28, 2026

Original job description

Date Posted:

2026-10-28

Country:

United States of America

Location:

US-AL-HUNTSVILLE-401 ~ 401 Jan Davis Dr NW ~ JAN DAVIS 401

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 RTX, the world 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’s Surface Radars and Sensors (SR&S) Center, Huntsville AL Department, is seeking a Principal Systems Engineer to join the System Design and Requirements (SDR) Capability team as part of the System Engineering & Integration Team (SE&IT). The Responsible Systems Engineer (RSE) will lead cross-functional systems engineering teams to develop system level technical solutions for the Missile Defense Agency (MDA). The candidate will guide the development of system level architecture, requirements, and interfaces to influence incremental capability. The candidate will use Model Based Systems Engineering (MBSE) to evaluate architectural impacts through functional behavior analysis for the defeat of conventional and advanced Threat (i.e., ballistic, aero-maneuvering, hyper-glide, countermeasures, etc.) systems within the MDA mission areas.

The RSE will use the MBSE environment collaborate to develop system-of-systems requirements via system/component trade studies and analysis and lead the development of Change Notices (CNs) to MDA's system specification including functional, interface and performance requirements, architectural models, interface definitions, and support Trace verification from System to Element level requirements. The RSE will develop and deliver products (i.e., technical briefings, CNs) to support internal and MDA stakeholder reviews.

What You Will Do

Lead development of system architecture, functional behavior analysis, and requirements allocation.
Apply MBSE tools (Cameo/MSOSA) to evaluate architectural impacts and conduct trade studies.
Develop and update system specifications, interface definitions, and Change Notices (CNs).
Support traceability from system to element requirements in DOORS.
Prepare and deliver technical briefings for internal and MDA stakeholder reviews.
Collaborate with cross‑functional teams and customer counterparts to develop technical solutions.
Domestic/Local travel is expected, approximately around 10-15%.

Qualifications You Must Have

Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of prior relevant experience.
Experience with MSOSA (Cameo) and/or DOORS.

Qualifications We Prefer

Experience supporting Missile Defense Agency (MDA) programs or other DoD engineering environments.
Experience using Digital Engineering (DE) and Model‑Based Systems Engineering (MBSE) in system design and specification.
Experience supporting proposal development and technical volume preparation.
Familiarity with Linux and Windows enterprise environments.
Experience working in classified and secure computing environments.

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.
Relocation Eligible – Relocation assistance available

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.

Welcome to Raytheon in Huntsville, AL

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 107,500 USD - 204,500 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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Skills

Research
Part requirements
Linux
Microsoft Windows

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