Mechanical Systems Engineer, Exterior Sensor Integration
ALTEN Technology USA
| Company | ALTEN Technology USA |
| Category | Uncategorised |
| Location | Long Beach |
| Remote | On-site (inferred) |
| Employment | Not stated |
| Level | Not stated |
| Salary | Not stated by the employer |
| Posted | 30 Jul 2026 |
| Last verified | 2 Aug 2026 |
| Source | Employer career page (greenhouse) |
Description
We’re ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life—from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in aerospace, medical devices, robotics, automotive, commercial vehicles, EVs, rail, and more.
As part of the global ALTEN Group—57,000+ engineers in 30 countries—we deliver across the entire product development cycle, from consulting to full project outsourcing.
When you join ALTEN Technology USA, you’ll collaborate on some of the world’s toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits. We take pride in fostering a culture where employees feel valued, supported, and inspired to grow. Workplace: On-site, 5 days per week Location: Long Beach, CA
You will be a key contributor within a world class automotive body exterior engineering team, responsible for the mechanical integration of ADAS and autonomy sensors into the vehicle exterior and for the cleaning systems that keep them functional. This role owns the physical envelope around cameras, radars, lidars, and ultrasonic sensors, including packaging, field of view protection, mounting stiffness and alignment, thermal and environmental robustness, and the washer and air based cleaning architecture that serves them. You will work at the boundary between exteriors, ADAS and perception, electrical, thermal, closures, and supplier partners to deliver sensor installations that perform in the real world and survive production variation. Responsibilities: • Lead mechanical integration of exterior mounted ADAS sensors including forward and surround cameras, radar, lidar, and ultrasonic sensors across fascias, grilles, windshield, roof, closures, mirrors, and liftgate locations • Own field of view and line of sight analysis, including obstruction studies, aperture sizing, sensor pointing angle definition, and coordination with perception and ADAS teams on FOV and coverage requirements • Define and release sensor brackets, housings, covers, and mounting interfaces, balancing stiffness, mass, cost, tolerance capability, and serviceability • Drive sensor alignment and positional accuracy strategy, including tolerance stack up to the sensor optical or antenna reference, datum and locator schemes, and end of line calibration feasibility • Own the exterior sensor cleaning architecture, including nozzle design and aiming, washer fluid routing, pump and valve selection, air assisted and telescopic nozzle concepts, heated nozzle and heated lens strategies, and fluid volume and reservoir sizing • Define and validate cleaning performance requirements and test methods for soiling, mud, salt, insect, ice, and snow conditions, including spray pattern coverage, cleaning efficiency, dry out behavior, and cycle time • Coordinate with thermal and electrical teams on sensor heat rejection, heater circuits, condensation and fogging mitigation, harness routing, connector sealing, and grounding • Manage radar transparency and material compatibility requirements for emblems, fascias, and covers, including thickness control, paint and coating constraints, and attenuation targets • Manage component level DFMEA, DVPR, boundary diagrams, and robustness checklists for sensor and cleaning subsystems through design and release milestones • Support water management, sealing, and ingress protection for sensor apertures and cleaning hardware, including IP rating verification and high pressure wash and car wash durability • Collaborate with suppliers on design feasibility, tooling, process capability, cost targets, and on time delivery of sensor mounting and cleanin
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