Senior Principal Systems Engineering Lead, MBSE

Date Posted: 2026-09-17 Country: United States of America Location: US-VA-STERLING-291 ~ 22640 Davis Dr ~ DAVIS 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: Secret - Current Security Clearance Status: Active and existing security clearance required on day 1 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. Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense. Join Collins Aerospace and help shape the future of Nuclear Command, Control and Communications (NC3), supporting the recapitalization of the U.S. Air Force E-4B fleet with next-generation capabilities. As a Senior Principal Systems Engineer, MBSE you will lead complex military communications systems on the E-4 platform and collaborate with geographically distributed, multidisciplinary teams.   This position is onsite in Sterling, VA and requires an active/current US Secret security clearance. What YOU will do:        Serve as Systems Engineering Technical Lead for a simulation team, aligning efforts across engineering teams to ensure completion of capabilities within the project lifecycle.   Provide the technical execution leadership required to design, develop, integrate, test, verify, qualify, and deliver a system that complies with technical and performance requirements.   Oversee day-to-day execution of requirements & design maturation efforts for a Mission Crew Training Device through its major engineering design milestones.   Build a System-of-Systems architecture using SysML within a Model Based Systems Engineering (MBSE) framework.   Contribute to the design and development of a Systems/Software architecture for an aircraft Simulator Training System.   Coordinate with Software, Electrical, & Mechanical Engineers to arrange, define, and update design at various levels of detail.   Work in an Agile program environment, supporting planning, backlog management, technical execution, and coordination across Agile teams.   Identify and manage technical risks , o p portunities and dependencies and ensure seamless program execution.   Support risk and opportunity management, schedule adherence, and cost control to meet program deliverables and financial objectives .   Report execution metrics to program and functional leadership, providing visibility into program performance and potential impacts.   Collaborate with customer representatives and internal and external stakeholders to define scope, establish technical priorities, resolve issues, and ensure alignment with program objectives and customer expectations.   Prepare and present technical briefs, program status, risks and opportunities , recommendations, and technical decisions to internal and external stakeholders, including customers and program leadership.   Collaborate with program leadership, engineering leadership, functional leadership, and key stakeholders to resolve technical challenges, establish priorities, and drive engineering execution.   Lead, mentor, and develop Systems Engineering talent at all levels through technical coaching, knowledge transfer, collaboration, and hands on guidance, fostering technical growth and preparing engineers for increased levels of responsibility.   Qualifications You Must Have:   Experience as a Subject Matter Expert in SysML (Systems Modelling Language) within an MBSE framework.   Experience in leading a systems or software engineering team.   Typically requires a 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 .   U.S. citizenship is required , as only U.S. citizens are eligible for a security clearance.   Active and transferable U.S. government issued Secret security clearance is required prior to start date.   Qualifications We Prefer: Experience in leading a team on a large DoD program.   Experience with Simulation & Training engineering.   Familiarity with engineering processes ranging from Software, Hardware, and Mechanical domains.   Experience with Agile Development Methodologies (e.g. Scrum, SAFe), including backlog management, Agile metrics, and Scrum ceremonies.   Experience utilizing and communicating programmatic Earned Value (EV) and experience as a Cost Account Manager (CAM).   Familiarity with Radio Frequency (RF) Communications concepts.   Familiarity with CORE Simulation (CORESIM) Architecture.   Familiarity with deployment/configuration/support of CI/CD pipelines.   What We Offer: 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