Fleet Support Engineer

Horizontal Talent; Los Angeles (CA); On-site; USD 131,809,000 - 229,233,000; Full time

Job summary

Horizontal is seeking an on-site Sensor/Electrical Engineer to support vehicle operations in Los Angeles. You will troubleshoot in real‑time, perform root-cause analyses, and work closely with cross‑functional teams to keep a growing fleet up and running while enabling new operational locations.

The role emphasizes hands-on debugging, documentation, and collaboration with engineering to improve tools and diagnostics for fleet uptime and service efficiency.

Qualifications

• 6+ years in transportation, aerospace, or autonomous vehicle environments focusing on perception systems and sensors.
• Bachelor’s degree in Electrical or Computer Engineering.
• Strong understanding of low- and high-voltage circuits and safe troubleshooting practices.
• Experience with Unified Diagnostic Services (UDS).
• Ability to understand hardware/software system architecture in an operational setting.
• Skilled at reading schematics, electrical diagrams, connector views, and pinouts.
• Strong analytical mindset with ability to break down complex issues into actionable solutions.
• Clear communicator who can collaborate across teams.
• Must be able to pass a background check.

Responsibilities

• Act as the main technical contact for urgent fleet issues and support technicians with fast, effective problem resolution.
• Investigate vehicle and sensor-related issues by reviewing logs, analyzing data, and identifying root causes.
• Build, improve, and maintain troubleshooting documentation to help technicians work more efficiently.
• Support hardware bring-up and validation for new sensor components such as LiDAR, radar, and cameras.
• Develop diagnostic methods that improve troubleshooting speed, calibration accuracy, and data integrity.
• Review historical fleet and sensor data to identify trends, recurring issues, and opportunities for improvement.
• Partner with engineering teams to enhance tools, improve issue detection, and implement long-term countermeasures.
• Define key data points needed to confirm fixes and measure the success of corrective actions.
• Collaborate across teams to support ongoing performance, reliability, and operational uptime.
• Be available for overtime when needed and travel occasionally within the U.S. to support operations.

Skills

Perception systems

Electrical engineering

UDS

Schematic reading

Hardware troubleshooting

Cross-functional

Education

Bachelor's in Electrical Engineering or Computer Engineering

Tools

Linux

Python

Diagnostics tools

Job description

Join a hands‑on engineering role supporting vehicle operations in Los Angeles, where you’ll help keep a growing fleet running smoothly through real‑time troubleshooting, root cause analysis, and close collaboration with cross‑functional teams. This onsite position offers the chance to make a direct impact on fleet uptime, service efficiency, and the launch readiness of new operational locations.

Responsibilities

• Act as the main technical contact for urgent fleet issues and support technicians with fast, effective problem resolution
• Investigate vehicle and sensor‑related issues by reviewing logs, analyzing data, and identifying root causes
• Build, improve, and maintain troubleshooting documentation to help technicians work more efficiently
• Support hardware bring‑up and validation for new sensor components such as LiDAR, radar, and cameras
• Develop diagnostic methods that improve troubleshooting speed, calibration accuracy, and data integrity
• Review historical fleet and sensor data to identify trends, recurring issues, and opportunities for improvement
• Partner with engineering teams to enhance tools, improve issue detection, and implement long‑term countermeasures
• Define key data points needed to confirm fixes and measure the success of corrective actions
• Collaborate across teams to support ongoing performance, reliability, and operational uptime
• Be available for overtime when needed and travel occasionally within the U.S. to support operations

Skills

• 6+ years of relevant experience in transportation, aerospace, or autonomous vehicle environments with a focus on perception systems and sensors
• Bachelor’s degree in Electrical Engineering, Computer Engineering, or a closely related field
• Strong understanding of low- and high‑voltage circuits and safe troubleshooting practices
• Experience with Unified Diagnostic Services (UDS)
• Ability to understand hardware and software system architecture in an operational support setting
• Skilled at reading schematics, electrical diagrams, connector end views, and pinouts
• Strong analytical mindset with the ability to break down complex issues into actionable component‑level solutions
• Clear communicator who can build strong working relationships across teams
• Must be able to pass a background check

Preferred Skills

• Experience with electric vehicle technology
• Background in remote vehicle troubleshooting or support
• Knowledge of vehicle systems and diagnostic tools
• Familiarity with Linux and Python for fleet‑level data processing
• Experience working with software that interfaces with hardware
• Exposure to networking, TCP, or socket programming

Horizontal is committed to fostering an inclusive workplace where people of all backgrounds, experiences, and perspectives can thrive. We value diversity, equity, and inclusion as essential to building strong teams and better outcomes, and we welcome candidates who share that commitment.

Applications will be accepted for 4 weeks.

We offer competitive compensation and benefits including medical, dental, vision, and retirement.

The pay range for this role is $46 - $80 per hour based on qualifications and experience.