> Markdown version of [/jobs/ext/2297085-principal-systems-engineer-space-and-mission-critical-systems](https://www.wearedevelopers.com/jobs/ext/2297085-principal-systems-engineer-space-and-mission-critical-systems). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Systems Engineer-Space and Mission Critical Systems - **Company:** Draper Labs - **Location:** Cambridge, MA, United States - **Experience:** Expert - **Salary:** $82,300.0 - $245,000.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Fault Tolerance, MATLAB, Requirements Management, Simulink, Subsystems, Systems Modeling Language, MagicDraw, Modeling and Simulation - **Published:** August 29, 2026 - **Apply:** https://jobs.localjobnetwork.com/apply/add/86866748/1 ## About the Role * Experience working with system-of-systems spacecraft architectures * Experience decomposing enterprise architectures down to individual subsystems * Active Secret security clearance, Top Secret with SCI eligibility strongly preferred * Excellent communication skills, especially in preparing and delivering presentations to customers, management, and technical personnel, * Highly-organized, capable of approaching problems with a system-level perspective. * Strong oral and written communication skills. * Practical experience with simulation-based performance analysis. * Practical experience with the systems engineering process. * Roles may require proficiency with modeling and simulation, computer language coding, descriptive modeling (e.g. SysML), STPA, and/or other engineering analysis tools * Knowledge of GN&C, avionics architectures, fault tolerance, cyber/security, comms/encryption, threat modeling or other technologies may be required as defined in the summary. Education Bachelor's degree in engineering, physics, mathematics, or related field. Masters degree or higher preferred. Experience 7-10+ years experience as systems engineer or related role., * Certification or degree in Systems Engineering * Experience with DOORS requirements management tool * Experience with Matlab and Simulink * Certification in MBSE and/or SysML * Experience with MagicDraw / Cameo MBSE tools Security Requirement * Applicants selected for this position will be required to obtain and maintain a United States government security clearance and meet eligibility requirements for access to classified information. Current in-scope Top Secret security clearance with SCI eligibility is highly desired. ## Description The Space and Mission Critical Systems group at Draper is seeking a motivated Principal Systems Engineer to perform key systems engineering tasks in a model-based environment, using formal development and verification processes in support of Draper's National Security and Space business areas. Leveraging Draper's expertise in a variety of fields - including GNC, Spacecraft Systems, fault tolerant computing, SBC development, and autonomous vehicles - the candidate will support the group's mission in developing early-stage concepts all the way through to verified, fully-functional, deployed solutions. This position will involve the following: * Developing systems concepts, requirements, and architectures * Highly robust system engineering practices for mission critical systems * Development of radiation tolerant systems * Predicting and analyzing mission performance and reliability * Use of Model Based Systems Engineering Tools The ideal candidate will be capable of working and communicating effectively with team members from multiple engineering disciplines, program management, senior engineering management, and customers., * Independently drive solutions to complex problems - develop requirements, propose ways forward when customer requirements are unclear or incomplete, and adapt appropriately to changes in requirements * Sustained record of successful task leadership. Identifies risks and develops and executes mitigation strategies for them. * Lead medium-sized teams (5-10 people). Reliably aligns team towards program goals and builds trust within the team. * Subject Matter Expert (SME) in Systems Engineering * Provide insight and suggest design modifications based on analysis outcomes, and to apply analysis techniques across a range of technical challenges and disciplines * Identify program/system-level technical risks and develop and execute mitigation strategies. * Develop, document, and teach best practices to less experienced engineers * Demonstrate strong organization, planning, and time management skills to achieve program goals * Actively mentors. 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