Senior Principal Systems Engineer (Onsite)

Position Overview Senior Principal Systems Engineer – responsible for modernizing U.S. Air Force Nuclear Command, Control, and Communications (NC3) capabilities. Based in Richardson, TX or Cedar Rapids, IA. Responsibilities Provide technical guidance to multidisciplinary teams, leading effective working sessions and trade studies, cultivating and reinforcing group values, and identifying, analyzing, and correcting technical problems. Serve as the primary technology and systems engineering focal point for leadership and the customer. Establish and maintain complex system‑of‑systems design and architecture. Lead engineering teams to understand, analyze, and develop models, requirements, and designs using enterprise standard tools, processes, and industry best practices. Ensure the development and management of technical risks and opportunities and develop and execute mitigation plans. Serve as a Cost Account Manager (CAM) to monitor cost and schedule and report project status to program management and engineering leadership using Earned Value Management. Lead technical proposal preparation and serve as a subject matter expert in non‑advocate, internal, and customer reviews. Collaborate to capture, analyze, decompose, and trace system requirements. Design, develop, and model complex systems and sub‑systems. Create and verify system and sub‑system test procedures. Build advanced SysML models for activities, states, block diagrams, and use cases. Leverage JIRA to decompose epics and features into user stories with clear acceptance criteria. Plan and execute project‑level work to meet schedules, costs, and performance goals. Manage technical risks by evaluating design aspects and requirements. Represent the Systems Engineering team in customer and internal meetings. Bridge the gap between functional discipline groups and internal/external stakeholders. Engage in classified lab environments to apply your expertise hands‑on. (On‑site presence required.) Travel occasionally to support program requirements. What You Will Learn Cutting‑edge Collins Aerospace solutions designed for military platforms. Mastery of Model‑Based Systems Engineering (MBSE) principles to drive emerging technology solutions. How to work in an Agile environment and collaborate across engineering disciplines and management teams. How to lead technical proposals and utilize SEER parametric estimation tools. Leadership and operational expertise within our CORE Operating Systems. Qualifications Degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 10 years prior relevant experience, or an advanced degree in a related field and minimum 7 years of experience. Active and transferable U.S. Secret security clearance required prior to start date with ability to obtain Top Secret after start. U.S. citizenship. Leadership and mentoring experience with systems engineering teams. Proven track record in capturing customer requirements, operations concept development, deriving and tracing system and sub‑system requirements. Experience with Model‑Based Systems Engineering (MBSE) concepts and tools – build advanced SysML models for activities, states, block diagrams, and use cases. Experience with Earned Value Management reporting. Preferred Qualifications Proficiency with MBSE tools such as MagicDraw, Cameo, Rhapsody, or Enterprise Architect. Technical risk & opportunity management, interface definition and control. Agile experience as a Scrum Master, Product Owner, or other Agile leadership roles. Knowledge of Project Management, Control Account Management (CAM), and earned value. Familiarity with bidding and project/task estimation tools (e.g., SEER products). Competence in peer review processes, configuration, and change management. Experience conducting root cause analysis and corrective actions. Understanding of military concepts of operations or radio performance standards. Experience or exposure to leading team with applications such as Microsoft Project, Confluence, JIRA. Experience and understanding of communications systems (VLF, LF, HF, V/UHF, and/or MILSATCOM). Benefits Medical, dental, and vision insurance. Three weeks of vacation 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. May be eligible for relocation. And more! Mission Systems Our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Equal Opportunity Employer 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. #J-18808-Ljbffr