Mechanical Design Engineer

ALTEN Technology USA•Simi Valley, CA

About The Position

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. The Mechanical Design Engineer will support the Loitering Munitions team in the design, development, and documentation of mechanical systems for Class 2 Unmanned Air Vehicle (UAV) platforms. This engineer will contribute to the full design lifecycle from concept through production, leading mechanical design efforts with a high degree of independence and ownership.

Requirements

Bachelor's degree in Mechanical Engineering required
6 to 10 years of relevant mechanical design experience in aerospace, defense, or UAV development
Advanced proficiency in SolidWorks 3D modeling and EPDM data management
Demonstrated ability to work independently and manage multiple design tasks with minimal supervision
Strong written and verbal communication skills with the ability to produce clear engineering documentation

Nice To Haves

Direct experience designing Class 2 UAV systems or similar small unmanned platforms is highly desired
Composite layup design experience including Kevlar and carbon fiber prepreg laminates is a plus
Proficiency in thermal modeling using SolidWorks Simulation or Flow Simulation is a plus
Familiarity with aerospace manufacturing processes and DFM principles
Able to excel in a fast-paced, deadline-driven environment where small teams share a broad variety of duties
Displays strong initiative and drive to accomplish goals and meet program objectives
Takes ownership and responsibility for current and past work products
Has effective problem-solving, analytical, interpersonal, and communication skills

Responsibilities

Develop and own mechanical designs for UAV components and assemblies using SolidWorks, maintaining all documentation and revision control within EPDM
Support composite structure design including laminate layup schedules for Kevlar and carbon prepreg materials
Perform thermal modeling and analysis using the SolidWorks simulation suite to validate component and system-level designs
Produce detailed drawings, BOMs, and release packages that meet engineering and manufacturing requirements
Collaborate with cross-functional teams including systems, electrical, and manufacturing engineers to ensure designs are producible and meet program requirements
Identify and resolve design issues through structured root cause analysis and engineering judgment
Support hardware builds, testing, and field activities as required
Other duties as assigned