Mission Integration Engineer - SV Design

The role

The Mission Integration Engineer serves as the primary liaison between customers and technical teams. This role involves developing mission concepts, performing technical analysis, and executing space vehicle integration and test.

What you will do

• Support proposals by defining technical approaches, feasibility studies, and cost estimates.
• Perform mission analysis including orbital mechanics, trajectory planning, and spacecraft deployment strategies.
• Serve as the primary technical liaison between internal technical teams and customers.
• Participate in customer meetings, design reviews, and project status updates.
• Collaborate with multidisciplinary teams to ensure system integration and performance.
• Develop and maintain customer system-level documentation.
• Generate mission specific technical budgets for power, mass, data, and pointing.
• Analyze results of coupled loads analysis, thermal analysis, and electromagnetic compatibility assessments.
• Perform system-level failure mode and effects analysis and support reliability engineering.
• Develop bus to payload communication architecture and support space vehicle level test execution.

Required qualifications

• U.S. Person status
• Bachelor's degree or higher in Aerospace Engineering, Mechanical Engineering, Electrical Engineering, or a related field
• 3+ years of experience working on complex hardware systems or technical capture management
• Experience in satellite manufacturing or related industries (aerospace, defense, or high-tech)
• Strong understanding of space systems, launch vehicle mechanics, orbital dynamics, and mission operations
• Proficiency in Python, MATLAB, STK, FreeFlyer, GMAT, or other mission analysis tools
• Experience coordinating cross-functional teams and managing timelines in a fast-paced environment
• Strong communication and organizational skills

Nice to have

• Previous spacecraft, launch vehicle, or payload engineering experience
• Experience with CubeSat, small satellite, or rideshare mission integration
• Experience working with prime contractors or government entities
• Familiarity with flight software, embedded systems, and space communications protocols (CCSDS, S-band, X-band, etc.)

Benefits

• Equity in Apex
• 100% company-paid medical, dental, and vision for you and your dependents
• $100k life insurance at no cost
• Starting at 15 days vacation, growing to 20+ days annually
• 10 paid holidays
• 100% match on first 3% and 50% match on next 2% of 401(k)
• 8 weeks paid parental leave
• Childcare reimbursement up to $350/day for work-related travel
• Daily catered lunch and unlimited snacks
• Monthly office socials, pickleball tournaments, run club, and gatherings

Before you apply

• Must qualify as a U.S. Person (U.S. citizen or national, lawful permanent resident, refugee, or individual granted asylum) or be able to obtain required export authorizations.

About the company

Apex manufactures satellite buses at scale using software, vertical integration, and hardware designed for manufacturing. The company is a fast-growing startup that has raised more than $500M in funding.