Principal Systems Engineer – Architecture and Requirements in Cameo (P4)

RTX; Tucson (AZ); On-site; USD 108,000 - 205,000; Full time

Benefits offered by this job

Medical

Dental

Vision

Life insurance

401(k) match

Flexible schedules

Employee assistance program

Relocation assistance

Paid time off

Holidays

Job summary

RTX in Tucson, AZ is seeking a Principal Systems Engineer – Architecture and Requirements in Cameo to design, decompose, and verify complex subsystems. You will collaborate with Software, Hardware, Safety, Reliability, Quality, and Manufacturing teams to ensure robust system integration and verification.

This onsite role emphasizes architecture development, MBSE use, and leadership of technical discussions, with focus on missile and launcher programs in a fast-paced environment.

Qualifications

• Bachelor’s degree in STEM and 8+ years of relevant experience.
• Experience with MBSE tools (Cameo) and architecture definition.
• Ability to lead decomposition and verification of requirements across systems.

Responsibilities

• Create and manage systems architecture, requirements, interfaces, and verification documents.
• Collaborate with Software, Hardware, Safety, Reliability, Quality and Manufacturing teams.
• Support flight test activities and write test reports.
• Lead technical discussions and action plans with SMEs.
• Support SPC assessments in factory and hardware verification.
• Lead peer reviews and release of CDRLs and Technical Data Packages.

Skills

System Engineering

MBSE

Requirements decomposition

Cross-functional collaboration

Technical leadership

Education

Bachelor’s degree in STEM

Advanced degree (preferred)

Tools

Cameo Systems Modeler

Job description

Location: US-AZ-TUCSON-M09 ~ 3350 E Hemisphere Loop ~ BLDG M09

Date Posted: 2026-10-26

Country: United States of America

Location: US-AZ-TUCSON-M09 ~ 3350 E Hemisphere Loop ~ BLDG M09

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: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

At RTX, the world's 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.

The Systems Engineering and Test Center (SETC) organization is currently hiring a Principal Systems Engineer – Architecture and Requirements in Cameo to join our Tucson, AZ location programs. The SETC organization 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. Join our organization and experience the Systems V engineering life cycle while interfacing with a variety of engineering disciplines, subject matter experts, chief engineers, chief technologists, the customer, and so many more to ensure we design, integrate, and strengthen our systems to work the first time and every time for our warfighters!

As a Principal Systems Engineer – Architecture and Requirements in Cameo you will be in a technical role contributing directly to the architecture and requirements development and decomposition of complex subsystems, developing the verification approach, and oversight of created verification artifacts. You will engage with cross-functional teams such as Software, Hardware, Safety, Reliability, Quality, and Manufacturing in coordination with the Office of the Chief on a variety of program technical tasks. Tucson-based programs are a collection of rapid development programs resulting in a fast-paced environment that includes missiles and launchers on various ground, air, and vehicle platforms, and gunner training equipment.

This role is fully Onsite in Tucson, AZ.

What You Will Do

• Create and manage systems architecture, requirements, interface definitions & description documents, system integration, and system verification using Cameo by collaborating with multiple IPTLs and SMEs to obtain necessary design information
• Work with Suppliers and the Supply Chain organization for procured items managed through the role of Responsible Engineering Authority (REA) for that Assembly
• Support flight test activities both in potential field support, telemetry analysis post-flight, and writing test reports
• Provide SE technical expertise in development, integration, troubleshooting and failure investigations
• Lead technical discussions, and formulate plans of action by leveraging company Subject Matter Experts (SMEs) across multiple engineering disciplines
• Support Statistical Process Control assessments in the factory and as part of hardware verification of missile sections and launch platforms as well as at higher level assemblies
• Lead peer reviews and formal release of CDRLs and Technical Data Package documents

Qualifications You Must Have

• Typically requires bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of (8) eight years of relevant prior experience
• Experience working with SMEs, CEs, LSEs, TAs, IPTLs, REAs, and/or other program stakeholders to make informed technical design decisions
• Experience in leading the definition, decomposition, and verification approach of requirements through specification release using MBSE tools such as Cameo
• Experience leading the definition and decomposition of System of Systems functional and physical architecture using MBSE tools such as Cameo
• Experience in 3 or more areas of the Systems-V model

Qualifications We Prefer

• An advanced degree in Engineering, Computer Science, Math, or Physics
• Experience with cPDM, CCB, and document release experience (engineering and formal release)
• Experience with requirements management using Cameo
• Experience creating and linking requirements, architecture, and verification artifacts in Cameo
• Experience with system and sub-system level requirements development, design and documentation of system level software architecture
• Experience in 4 or more areas of the Systems-V model
• Experience demonstrating your communication, technical writing, oral presentation and interpersonal skills with customers and leading technical solutions to complex user needs
• Ability to manage multiple and competing priorities
• Strong interpersonal and communication skills
• Familiarity with military systems; tactics, techniques, and procedures
• Familiarity with DoD/DoW customer infrastructure and Systems Engineering Product Development Cycle
• Ability to travel on occasion (10% travel time maximum)

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

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.

• 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
• holidays

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.