Spacecraft Command and Data Handling (C&DH) Engineer - Millennium Space Systems

Spacecraft Command and Data Handling (C&DH) Engineer - Millennium Space Systems Company: Millennium Space Systems Millennium Space Systems, a part of Boeing Defense, Space and Security (BDS), is a fast, agile small satellite company focused on national security space. Our missions have direct impact to global security, like missile warning and Earth observation.   Our team is curious, bold and innovative. We take risks, innovate and explore new techniques and technologies. We influence change because we challenge the status quo. And when we watch our satellites launch, we know each one of us made it happen.   Job   Summary :  As a Spacecraft Command and Data Handling (C&DH) Engineer, you will be responsible for the selection and management of electrical hardware and avionics systems critical to the operation of Millennium’s space vehicles. This role involves overseeing electrical interfaces through netlist management, driving vehicle architecture design to meet system requirements, and performing C&DH related analyses (data budget, signal integrity, vehicle I/O allocation analyses). You thrive with a high degree of autonomy and responsibility and can communicate technical concepts clearly and concisely to both technical and non-technical stakeholders.   This position's internal job code is EE Sys Design Engineer. Our team is currently hiring for Levels 2-3.

Responsibilities: Develop C&DH subsystem architectures for Millennium’s space vehicle, driving system level design decisions and maintaining alignment with mission objectives and constraints Select avionics and onboard processing units that meet flight software (FSW) and data handling needs while balancing performance, power, mass, and cost Perform requirements definition and flow down, develop interface requirements, and manage verification activities Lead the identification and resolution of technical issues related to avionics and electrical hardware during design, integration, and testing phases Create and maintain detailed netlists to define the vehicle’s electrical connectivity Perform data budget analysis and guarantee positive margins for telemetry, command, and onboard processing streams throughout the mission lifecycle Conduct signal integrity (SI) studies to inform transmission line designs Validate C&DH architectures against program fault management requirements, incorporating redundancy, watchdogs, and error detection mechanisms Select and analyze oscillators and clock distribution schemes to meet timing requirements Perform clock drift, jitter, and accuracy analyses Analyze serial and analog interfaces for compatibility, signal levels, grounding, and EMI considerations Own vendor selection and trade study activities; produce make/buy recommendations that balance cost, schedule, technical risk, and lifecycle support Collaborate with Flight Software, Harness, Electrical Ground Support Equipment and other multidisciplinary subsystem teams providing C&DH expertise as needed Provide technical, cost, and schedule status updates to program leads and functional managers Present C&DH designs, trade-offs, and risk mitigations at SRR, PDR, CDR, and other customer reviews Other duties as assigned Basic Qualifications (Required Skills/Experience): Bachelor of Science degree in Engineering (with a focus in Electrical, Mechanical or Aeronautical), Computer Science, Data Science, Mathematics, Physics, Chemistry or non-US equivalent qualifications directly related to the work statement Detailed knowledge of electrical hardware systems 2+ years of related work experience This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. A final U.S. Security Clearance Post-Start is required Preferred Qualifications (Desired Skills/Experience): Familiarity with industry standards for avionics and electrical hardware in aerospace applications Methodical design, testing, and troubleshooting