Senior Spacecraft C&DH Architect & Lead Engineer

Millennium Space Systems; El Segundo (CA); On-site; USD 146,000 - 260,000; Full time

Job summary

Millennium Space Systems in El Segundo, CA, seeks a Senior Spacecraft Command and Data Handling Engineer to serve as the technical authority for electrical hardware and avionics architectures across space vehicles. You will drive strategic design decisions, balance performance, manufacturability and cost, and communicate complex concepts to diverse stakeholders.

Level 4 focuses on SME leadership for C&DH, while Level 5 shapes technical strategy, roadmaps and mentoring across programs.

Qualifications

• Bachelor’s degree in Electrical, Computer, Aerospace, or related field; 9+ years related work experience or equivalent
• 9+ years experience with spacecraft communication protocols such as SpaceWire, Ethernet, RS-422/485, LVDS
• 7+ years experience in design, analysis, and integration of spacecraft electrical hardware or complex avionics systems
• U.S. Citizenship and ability to obtain a U.S. Security Clearance (Post-Start)

Responsibilities

• Architect C&DH subsystem architectures to drive system-level design decisions
• Lead the selection and trade analysis of avionics architectures balancing performance, power, mass, and cost
• Define requirements, interface control documents, and verification activities
• Direct high-fidelity analyses for data budgets, signal integrity, clock drift, jitter, and EMI/EMC compatibility
• Own vendor selection and trade studies with make/buy recommendations
• Lead identification and resolution of complex technical issues in avionics and electrical hardware
• Collaborate on FDIR strategies ensuring resilient architectures for mission operations
• Mentor junior and mid-level engineers to foster technical excellence
• Other duties as assigned

Skills

C&DH design

Spacecraft avionics

SpaceWire

Ethernet

RS-422/485

LVDS

Technical leadership

Trade studies

Systems engineering

Education

Bachelor’s degree in Electrical, Computer, Aerospace, or related field

Tools

EMI/EMC analysis

ECAD/EDA tools

Requirements management tools

Job description

Millennium Space Systems in El Segundo, CA, seeks a Senior Spacecraft Command and Data Handling Engineer to serve as the technical authority for electrical hardware and avionics architectures across space vehicles. You will drive strategic design decisions, balance performance, manufacturability and cost, and communicate complex concepts to diverse stakeholders.

Level 4 focuses on SME leadership for C&DH, while Level 5 shapes technical strategy, roadmaps and mentoring across programs.