Senior Principal Systems Engineer - Infrastructure (Onsite)

Location Richardson, TX (on-site) or Cedar Rapids, IA (on-site) Position Senior Principal Systems Engineer – Strategic Defense Solutions (SDS) – Onsite What You’ll Do Lead systems engineering activities across the full development lifecycle for complex aerospace and defense systems. Lead development of system architectures, CONOPS, interface definitions, and MBSE artifacts using SysML. Provide technical leadership for system integration, verification, validation, troubleshooting, and accreditation activities. Drive cross‑functional collaboration across software, hardware, cybersecurity, integration, and test teams. Lead Agile systems engineering activities, including decomposition of epics and features into executable user stories with clear acceptance criteria. Manage technical execution, program risks and opportunities, schedules, cost, and performance objectives. Serve as a technical mentor and coach to systems engineering teams while supporting talent development and engineering excellence. Interface directly with customers, senior leadership, suppliers, and stakeholders in both collaborative and classified lab environments. Support proposal development, technical estimation, and strategic business growth initiatives. Sign-on Bonus Eligible. What You’ll Learn Advanced leadership practices supporting large‑scale aerospace and defense programs. Application of cutting‑edge MBSE methodologies and digital engineering strategies. Emerging technologies in secure communications, cloud‑enabled architectures, and mission‑critical military platforms. Best practices in operational excellence through Collins Aerospace’s Customer Oriented Results and Excellence (CORE) Operating System. Opportunities to influence technical strategy and innovation across strategic defense programs. Qualifications – Must Have Extensive experience designing and integrating complex network architectures using physical and virtual networks with VMware and/or cloud platforms (AWS, GCP, Azure, Oracle) in cloud and hybrid environments. Demonstrated technical leadership experience leading systems engineering teams and cross‑functional engineering efforts. Proven experience capturing customer requirements, developing operational concepts, and deriving and tracing system and subsystem requirements. Strong communication and presentation skills with executive leadership, customers, program teams, and external stakeholders. Experience leading Agile development activities as a Scrum Master, Product Owner, Release Train Engineer, or similar leadership role. Experience leading technical decision‑making, risk management, and system‑level trade studies in complex development environments. Typically requires a STEM degree and 10 years prior relevant experience or an advanced degree in a related field and 7 years of experience. U.S. citizenship and ability to obtain and maintain a DoD Top Secret clearance. Qualifications – Preferred Active/Current US security clearance. Expertise with MBSE tools such as MagicDraw, Cameo, Rhapsody, or Enterprise Architect. Advanced experience developing complex SysML models, including activity, sequence, state, parametric, and block definition diagrams. Experience with Project Management, Control Account Management (CAM), earned value management systems (EVMS), and program execution. Familiarity with proposal development, basis of estimate creation, and estimation tools such as SEER products. Experience with digital transformation initiatives, DevSecOps, and modern systems engineering practices. Strong understanding of configuration management, change management, and peer review processes. Experience conducting root cause analysis, corrective actions, and continuous improvement initiatives. Benefits Medical, dental, and vision insurance. Three weeks of vacation for newly hired employees. Generous 401(k) plan with employer matching 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: pet, home, auto, additional life, accident, critical illness, group legal, ID theft protection. Birth, adoption, 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. Doctor on Demand, virtual doctor visits. Bright Horizons child and elder care services. Teladoc Medical Experts second opinion program. Relocation assistance possibly available. Salary USD $132,400 – $251,600 annually. 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 Section503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. #J-18808-Ljbffr Prattwhitney