Senior Spacecraft Command & Data Handling (C&DH) Engineer – Avionics Systems

Senior Spacecraft Command & Data Handling Engineer

Avionic Systems

On-site in El Segundo CA

We are hiring a Senior Spacecraft Command & Data Handling (C&DH) Engineer to lead the architecture design and integration of spacecraft avionics and electrical hardware for advanced space vehicle programs. This role supports complex aerospace and defense missions by driving spacecraft command and data handling system design avionics architecture trade studies SpaceWire Ethernet RS-422/485 LVDS integration fault management EMI/EMC analysis and spacecraft electrical system performance while collaborating across multidisciplinary engineering teams.

Responsibilities:

• Architect spacecraft Command & Data Handling (C&DH) subsystem solutions that align with mission objectives system requirements fault management strategies and vehicle-level architecture.
• Lead avionics architecture trade studies to optimize system performance power mass reliability manufacturability schedule and cost.
• Define subsystem requirements interface control documents (ICDs) verification plans and validation activities throughout the system lifecycle.
• Perform and direct high-fidelity engineering analyses including data budgets signal integrity clock drift jitter timing analysis and EMI/EMC compatibility to ensure robust design margins.
• Lead vendor evaluations component selection and make-versus-buy trade studies while balancing technical risk lifecycle support schedule and cost.
• Provide technical leadership in resolving complex spacecraft avionics and electrical hardware issues during design integration test and mission readiness activities.
• Collaborate with cross-functional engineering teams to develop Fault Detection Isolation and Recovery (FDIR) strategies that improve spacecraft resiliency and operational reliability.
• Support mission operations by providing technical expertise for spacecraft health assessment anomaly resolution and system performance.
• Mentor junior and mid-level engineers promote engineering best practices and contribute to the continued growth of the C&DH engineering organization.
• Perform additional duties as assigned.

Level 4 Responsibilities

• Serve as the technical lead and Subject Matter Expert (SME) for spacecraft C&DH systems on assigned programs.
• Lead complex technical trade studies and provide engineering oversight throughout integration and environmental testing activities.

Level 5 Responsibilities

• Serve as the organizations primary technical authority for spacecraft C&DH architectures across multiple programs.
• Establish engineering standards technical roadmaps and organizational best practices for spacecraft avionics development.
• Mentor engineering teams while driving long-term technical strategy and innovation.

Qualifications:

• U.S. Citizenship is required by Federal Law
• Ability to obtain a final U.S. Security Clearance after start.
• Bachelors degree in Electrical Engineering Computer Engineering Aerospace Engineering or a related technical discipline or an equivalent combination of education and experience.
• 9 years of professional engineering experience in spacecraft aerospace avionics or related electrical systems.
• 7 years of experience designing analyzing and integrating spacecraft electrical hardware or complex avionics systems.
• 9 years of experience with spacecraft communication protocols including:
  • SpaceWire
  • Ethernet
  • RS-422/485
  • LVDS
• Experience developing spacecraft avionics architectures subsystem requirements interface definitions verification activities and system integration.
• Experience performing electrical analyses including signal integrity timing data throughput EMI/EMC and system reliability.

Preferred Qualifications:

• Level 5: 14 years of related engineering experience or an equivalent combination of education and experience.
• Experience serving as a Responsible Engineering Authority (REA) or Lead Engineer on complex spacecraft or national security space programs.
• Strong knowledge of aerospace industry standards and DoD cybersecurity implementation for space systems.
• Experience supporting high-rate manufacturing or production environments.
• Masters degree or Ph.D. in Electrical Engineering Aerospace Engineering Computer Engineering or a related discipline.
• Experience presenting technical information to engineering leadership customers and executive stakeholders.

Moseley Technical Services Inc. is an AA/EEO/Veterans/Disabled Employer

Moseley Technical Services Inc. (Moseley) was incorporated in 1994 to provide engineering and professional services to the aerospace/defense manufacturing government and commercial industries. Our Mission is to deliver superior service to our customers and employees. We have achieved our vision by building long-term relationships with customers and employees through integrity transparency and appreciation.

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