Principal Systems Engineer

Date Posted:
2026-01-12
Country:
United States of America
Location:
AZ807: RMS AP Bldg 807 1151 East Hermans Road Building 807, Tucson, AZ, 85756 USA
Position Role Type:
Onsite
U.S. Citizen, U.S. Person, or Immigration Status Requirements:
The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
Security Clearance:
DoD Clearance: Secret

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.

The Land & Air Defense Systems (LADS) Systems Engineering department within the Effectors Center of the Systems Engineering and Test Capabilities (SE&TC) organization is currently hiring a Principal Systems Engineer to join our Tucson, AZ location and support LADS Effectors product lines. SE&TC is an exciting and challenging environment where you will have the opportunity to design, develop and partner with multi-disciplines to shape innovative solutions for our customers.

The Principal Systems Engineer is a technical role contributing directly to the requirements development and decomposition of complex subsystems as well as developing the verification approach.

What You Will Do:

• Interface with cross discipline and cross product teams, lead technical discussions, and possibly direct a small team of in-direct reports in defining and management of interface requirements across multiple products.
• Support technical discussions, and formulate plans of action by leveraging company Subject Matter Experts (SMEs) across multiple engineering disciplines
• Develop and maintain requirements, systems architecture and design, updating and maintaining Interface definitions & description documents by collaborating with multiple IPTLs and SMEs to obtain necessary design information.
• Use your SE technical expertise in development, integration, troubleshooting and failure investigations to mentor junior engineers.
• Create and manage requirements using requirements management tools such as DOORS
• Utilize Model Based Systems Engineering (MBSE) tools such as CAMEO and standards such as SysML or UML
• Lead and support peer reviews and formal release of contract deliverables for Systems Engineering artifacts.

Qualifications You Must Have:

• Typically requires a Bachelor's in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of prior relevant experience
• Experience with concept of operations, requirements definition, decomposition, and changes.
• Experience with communication, technical writings and/or oral presentations to customers and leading technical solutions to complex user needs.
• The ability to obtain and maintain a US security clearance. U.S. citizenship is required as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer:

• MS or PhD in Engineering, Computer Science, Math or Physics
• Experience with cPDM, Change Control Boards (CCB), and document release experience (engineering and formal release)
• Ability to manage multiple and competing priorities.
• Ability to work independently and work with SMEs, Chief Engineers (CE), Lead Systems Engineers (LSE), and other program stakeholders to make informed technical design decisions.
• Experience with requirements management using DOORS
• Experience with MBSE, CAMEO, SysML, or UML
• Experience with system and sub-system level requirements development, design and documentation of system level software architecture
• Strong interpersonal and communication skills
• Familiarity with military systems; tactics, techniques, and procedures
• Familiarity with DoD customer infrastructure and Systems Engineering Product Development Cycle

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 for this position

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 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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