Senior Mission Systems Engineer

• Identify, derive, develop, and maintain mission systems requirements, including traceability and verification and validation approaches

• Define and maintain ground element and external interface requirements and interface control documents, including user- and payload-facing interfaces

• Collaborate with flight vehicle systems, ground software, mission operations, and payload/user customer teams

• Define ground system and mission operations architectures for real-time and store-and-forward spacecraft and ground-system operations

• Plan and perform mission system product updates, integration and test activities, and validation exercises leading to training and mission readiness

• Conduct ground-system functionality testing and measure performance against requirements

• Perform flight software to ground-system integration and testing

• Analyze operability across the space-ground system and support improvements

• Ensure mission system requirements and interfaces align with NASA and CCSDS interoperability standards

• B.S. in Aerospace Engineering, Mechanical Engineering, Electrical Engineering, Computer Science, Physics, or a related technical field
• 8+ years of experience in ground systems architecture, spacecraft operations, requirements definition/verification/validation, or CCSDS communications protocols and standards
• Experience across a complex system lifecycle: requirements definition, design solution definition, implementation, integration, verification, validation, qualification, and operations
• Excellent written and verbal communication skills
• Ability to work collaboratively in a fast-paced, dynamic work environment
• Experience with requirements management and traceability, preferably using DOORS Next Generation (DNG)
• Experience developing and maintaining interface control documents (ICDs) for complex systems
• Experience with NASA civil space programs and/or integrating U.S. Government agency missions
• Experience conducting end-to-end testing of large, complex systems
• Familiarity with DTN, delay/disruption-tolerant architectures, or deep space operations concepts
• Experience designing or operating spacecraft instruments and payloads
• Experience developing, deploying, and maintaining software in AWS or Azure
• Proficiency in programming languages such as Python
• Experience with Confluence and JIRA
• Familiarity with version control, preferably Git
• Experience with configuration and product data management tools
• Must be a U.S. citizen or national, U.S. permanent resident, or lawfully admitted U.S. refugee/asylee

Demonstrates expertise in ground systems architecture, spacecraft operations, and requirements management, with a strong focus on NASA and CCSDS standards. Proficient in conducting end-to-end testing and integration of complex systems while ensuring mission readiness.

• Ground Systems Architecture
• Requirements Definition/Verification/Validation
• CCSDS Communications Protocols
• End-to-End Testing
• Python Programming

• Requirements Management
• Interface Control Documents
• Spacecraft Operations
• Integration and Testing
• Configuration Management
• Software Development in AWS
• Software Development in Azure
• DTN Architectures
• Flight Software Integration
• Performance Measurement

• Excellent Communication Skills
• Collaborative Work Style
• Adaptability in Dynamic Environments

• NASA Civil Space Programs
• U.S. Government Agency Missions
• Mission System Requirements
• Traceability and Verification
• Payload/User Customer Collaboration

• DOORS Next Generation
• Confluence
• JIRA
• Git
• Configuration and Product Data Management Tools