ALTEN Technology USA is hiring: Mechanical Designer in Simi Valley

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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.

Job Description The Mechanical Designer role assists a team of engineering staff to design components, parts & assemblies, and to create engineering drawings, engineering change orders, bills of materials, and other related engineering documentation. The Designer / Drafter works with engineers and manufacturing personnel to create new designs & drawings, modify existing designs & drawings, document design changes, update bills of materials, and shepherd documents through the configuration management system.

Position Responsibilities Designs mechanical parts, components & assemblies, including composite parts, metallic, and non‑metallic

Creates and reviews engineering drawings and documents that conform to company and industry drawing standards

Analyzes manufacturing tolerances and fabrication methods to help ensure part / assembly manufacturability

Applies geometric dimensioning and tolerance

Specifies materials, finishes, and workmanship callouts in accordance with industry specifications

Works on assignments that are moderately difficult, requiring judgment in resolving issues or in making recommendations

Other duties as assigned

Basic Qualifications (Required Skills & Experience) High School diploma or GED equivalent is required

A minimum of 4 - 7 years of related experience with mechanical design and drafting or equivalent combination of education, training, and experience

Experienced and proficient with SolidWorks EPDM; Demonstrated expertise in SolidWorks CAD

Demonstrated competence in designing composite aerospace structures & related composite manufacturing processes

Experience should have emphasis on the design of electro‑mechanical systems, mechanical assemblies, electronics packaging, composite parts, plastic injected molded parts, tooling & fixtures, and wire assemblies

Experienced in creating the following types of drawings : machined parts drawings, composite parts drawings, plastic injection molded part drawings, sheet metal fabrication drawings, source control drawings, specification control drawings, wire assembly drawings, mechanical assembly drawings, and weldment drawings

Demonstrated understanding of industry design & documentation standards (GD&T, ASME, Change Control, etc.)

Other Qualifications & Desired Competencies Vocational or technical school training in related discipline is preferred

Hands on design / build UAV experience preferred, especially lightweight RC aircraft or other miniature robotics systems

Experience with Agile PLM preferred

Normally receives little instruction on daily work, general instructions on newly introduced assignments

Demonstrates substantial understanding of the position and applies knowledge and skills to complete a wide range of tasks

Consistently demonstrates strong interpersonal skills to be able to interface with the other group members and departments

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 company objectives

Takes ownership and responsibility for current and past work products

Has effective problem‑solving, analytical, interpersonal and communication skills. Focuses on teamwork, collaboration and puts the success of the team above one's own interests

Experience with electronics enclosures or thermal management

Working with connectors and harnesses to the PCBA's, cable assembly drafting and fabrication experience, and composites

GD&T or ASME standards for naming conventions

Salary Range : $75,000-$95,000 / K

The actual salary offered is dependent on various factors including, but not limited to, location, the candidate’s combination of job‑related knowledge, qualifications, skills, education, training, and experience.

ALTEN Technology is an Equal Opportunity Employer. Our Policy is to extend opportunities to qualified applicants and employees on an equal basis regardless of an individual’s age, race, color, sex, religion, national origin, disability, sexual orientation, gender identity / expression or veteran status.

Please beware of job seeker scams and see this important notice on our careers page for more information about our recruiting process.

Compliance Notice : Alten USA is a federal contractor subject to the requirements of the Vietnam Era Veterans’ Readjustment Assistance Act (VEVRAA) and Executive Order 11246. We are an Equal Opportunity Employer and consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

Drug Screening Requirement : As a federal contractor, Alten USA maintains a drug‑free workplace. All candidates selected for employment will be required to successfully complete a pre‑employment drug screening as a condition of hire.

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