Sensor Systems Engineer for Spacecraft Hardware & Testing

Mosaic.tech; Los Angeles (CA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Equity

Healthcare

PTO 15-20 days

401(k) match

Parental leave

Lunch provided

Playa Vista office

Office socials

Job summary

Apex Technology, Inc. is seeking a Sensor Systems Engineer in Playa Vista to own sensor products across the full development lifecycle—from concept to qualification and production.

You will drive system ownership, verification, and cross-functional collaboration in a fast-growing aerospace startup. You will orchestrate trade studies, lead failure investigations, and present results at design reviews while partnering with structures, thermal, optics, avionics, and software teams to deliver

Qualifications

• Bachelor’s degree in Electrical, Optical, Mechanical, Computer, Software Engineering, Applied Physics, or related discipline.
• Hands-on experience developing, prototyping, integrating, and testing multidisciplinary systems.
• Demonstrated hardware, project, or product ownership experience.
• Strong understanding of test engineering fundamentals and methodologies.
• Demonstrated leadership, time management, and organizational skills.
• Comfortable researching and creating clean-sheet subsystem architectures within open design space.
• Self-motivated and eager to learn in a fast-paced environment.

Responsibilities

• Own sensor products through the full development lifecycle, including conceptualization, architecture, design, analysis, prototyping, qualification, and production.
• Support production as hardware REA, providing technical solutions, guidance, and documentation when issues arise.
• Manage project budget, schedule, and tasking within a multidisciplinary team of engineers.
• Own verification and validation activities for sensor subsystem requirements.
• Develop and execute qualification and test campaigns, including creation of test plans, procedures, and reports; collaborate to develop test stations and GSE/STE.
• Perform failure investigations and root cause analyses, incorporating lessons learned into future designs and test approaches.
• Perform system- and component-level trade studies to optimize performance, cost, schedule, and technical risk.
• Collaborate with teams across structures, thermal, optics, avionics, software, GNC, manufacturing, mission assurance, and supply chain to develop integrated sensor solutions.
• Present technical work at design reviews and create clear, thorough engineering documentation.

Skills

Systems thinking

Leadership

Time management

Multidisciplinary collaboration

Open design space exploration

Education

Electrical Engineering

Optical Engineering

Mechanical Engineering

Computer Engineering

Software Engineering

Applied Physics

Tools

GSE/STE knowledge

Job description

Apex Technology, Inc. is seeking a Sensor Systems Engineer in Playa Vista to own sensor products across the full development lifecycle—from concept to qualification and production.

You will drive system ownership, verification, and cross-functional collaboration in a fast-growing aerospace startup. You will orchestrate trade studies, lead failure investigations, and present results at design reviews while partnering with structures, thermal, optics, avionics, and software teams to deliver