Principal Systems Engineer - Nuclear Surety - (Onsite)

Please note: This role is located in Richardson, TX, and requires an onsite presence with the ability to obtain and maintain a U.S. Government Secret Security Clearance on day 1. Only U.S. citizens are eligible for the required clearance.

What You Will Do

• Support the development of key nuclear surety products, including nuclear surety impact statements, Certification Requirements Plans (CRPs), Nuclear Surety Analysis Reports (NSARs), Nuclear Surety Management Plans (NSMPs), and related technical documentation.
• Collaborate with Integrated Product Teams (IPTs) to review work products, coordinate engineering activities, and ensure all certification requirements are met across the program.
• Lead technical proposal efforts, contribute as a subject matter expert during internal and customer reviews, and support estimation, tracking, and reporting of technical, cost, schedule, and risk performance for assigned scope.

What You Will Learn

• Gain deep exposure to nuclear surety principles, certification processes, and mission‑critical NC2 systems while working alongside experienced engineers and technical leaders.
• Develop leadership and communication skills through opportunities to serve as a technical reviewer, contribute to proposal development, and act as liaison across teams.
• Expand your systems engineering toolkit through experience with requirements development, project planning, certification documentation, Agile methods, and MBSE tools used across modern defense programs.
• Grow your knowledge of strategic deterrence operations and gain insight into how advanced systems support nuclear mission readiness and security.

Qualifications

• Minimum 8 years of relevant experience with a bachelor’s degree in STEM, or 5 years of experience with an advanced degree, or 12 years of experience without a degree.
• Active and transferable U.S. Government DoD Secret Security Clearance prior to start date.
• U.S. citizenship (required for clearance).
• Strategic nuclear operations mission experience, particularly within Nuclear Triad programs.
• Strong written and verbal communication skills and ability to collaborate effectively within a professional team environment.
• Organizational skills that enable management of multiple tasks, priorities, and schedules.

Preferred Qualifications

• Ability to travel domestically up to 10%.
• Experience working in Agile environments and contributing to iterative engineering cycles.
• Familiarity with Model‑Based Systems Engineering concepts and tools such as Cameo/MagicDraw, Rhapsody, or Enterprise Architect.
• Experience with project planning, execution, and development of requirements specifications.
• Background in Bid and Proposal (B&P) or pursuit capture activities.
• Experience supporting USSTRATCOM Airborne Command Post or National Airborne Operations Center missions.

Benefits

• Medical, dental, and vision insurance.
• Three weeks of vacation for newly hired employees.
• Generous 401(k) plan with employer matching and separate retirement contribution, including a Lifetime Income Strategy option.
• Tuition reimbursement program; Student Loan Repayment Program.
• Life insurance and disability coverage; optional pet, home, auto, additional life, accident, critical illness, group legal, ID theft protection coverages.
• Birth, adoption, and parental leave benefits; Ovia Health, fertility, and family planning; Adoption Assistance.
• Autism Benefit; Employee Assistance Plan with up to 10 free counseling sessions.
• Healthy You Incentives, wellness rewards program; virtual doctor visits; Bright Horizons child and elder care services; Teladoc Medical Experts second opinion program.
• Relocation assistance.
• Sign‑on Bonus Eligible.
• Salary range: 107,500 USD – 204,500 USD.

EEO Statement

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 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.