Date Posted:2026-04-28
Country:United States of America
Location:US-CA-FULLERTON-676 ~ 1801 Hughes Dr ~ BLDG 676
Position Role Type:Hybrid
U.S. Citizen, U.S. Person, or Immigration Status Requirements: U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.
Security Clearance Type: None/Not Required
Security Clearance Status: Not Required
Principal Systems Engineers provide technical direction and clarification of requirements to software development teams & test personnel, perform system engineering analyses including trade studies, requirements definition and derivation, interface definition, and requirement verification and validation. As part of the ATS team, you'll be instrumental in supporting the next generation of Air Traffic Control by supporting the replacement of the Federal Aviation System's (FAA) aging legacy systems.
This position requires occasional domestic travelWhat You Will Do:- Perform the system requirement assessments and interface requirements
- Perform networking and integration activities to support development, maintenance, and deployment of the system
- Manage and/or generate systems engineering related documentation of legacy and newly developed products (design memos, specifications, diagrams, Interface Control Documents, test requirements/plans, optimization procedures) in support of projects.
Qualifications You Must Have:- Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience
- U.S. Citizen - U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.
- Proficiency using IBM Rational DOORS/DNG
- Proficient with Digital Engineering Tools (DOORS/DNG, Cameo, Microsoft Office Suite, Jira, Confluence)
- Experience with system and sub-system level requirements and verification documentation methods
- Experience in Systems Engineering Requirements Activities: requirement derivation, interface allocations, systems integration, requirement sell off, requirements analysis, procedure development, test development, test execution and evaluation of results
- Familiar with generating and maintaining technical documentation, such as specifications, Interface Control Documents (ICDs), Test Requirement Documents (TRDs), and Verification Cross Reference Matrices
- Familiar with Engineering Lifecycle Optimization (ELO) - Publishing
- Use/develop scripts to automate the upload and download of documentation to and from Dynamic Object-Oriented Requirements System (DOORS) in a variety of formats
- Maintain DOORS database
Qualifications We Prefer:- Experience in Model Based Systems Engineering (MBSE)
- Experience with Agile Development Processes
- Experience with AI/Machine Learning, Modeling and Simulation Applications, Agile/Scrum, and Atlassian Jira/Confluence
What We Offer:
Some of our competitive benefits package includes:
- Flexible work weeks: 9/80A, 5/40; Flexible work Hours: Core hours, Modified time
- Medical, dental, and vision insurance
- Three weeks of PTO for newly hired employees
- Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
- Tuition reimbursement program
- Student Loan Repayment Program
- Life insurance and disability coverage
- Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
- Birth, adoption, parental leave benefits
- Ovia Health, fertility, and family planning
- Adoption Assistance
- Autism Benefit
- Employee Assistance Plan, including up to 10 free counseling sessions
- Healthy You Incentives, wellness rewards program
- Doctor on Demand, virtual doctor visits
- Bright Horizons, child and elder care services
- Teladoc Medical Experts, second opinion program
- And more!
Please ensure the role type (defined below) is appropriate for your needs before applying to 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.
The salary range for this role is 118,300 USD - 224,900 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.
