Mechanical Engineer II

ALTEN Technology USA; Longmont (CO); On-site; USD 100,000 - 140,000; Full time

Job summary

A leading engineering company in Longmont, Colorado, is seeking a Mechanical Engineer II to design and develop precision mechanical components for opto-mechanical systems. The role involves cross-functional collaboration, integration of optical elements, and ensuring designs meet ruggedization requirements. Candidates should have a Bachelor’s degree in Mechanical Engineering, 3–10 years of relevant experience, and proficiency in CAD tools like SolidWorks. The position offers a salary range of $100k–$140k.

Qualifications

• 3–10 years of experience in mechanical design, flexible based on candidate.
• Experience with precision mechanical design and tight tolerance assemblies.
• Strong understanding of GD&T and tolerance stack-up analysis.

Responsibilities

• Design and develop precision mechanical components for opto-mechanical systems.
• Support integration of optical elements into mechanical structures.
• Collaborate cross-functionally with engineering teams.

Skills

Mechanical design

Cross-functional collaboration

Tolerance analysis (GD&T)

CAD tools (SolidWorks)

Education

Bachelor’s degree in Mechanical Engineering or related field

Tools

SolidWorks

Job 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.

As a Mechanical Engineer II you will be responsible for:

• Design and develop precision mechanical components and assemblies for opto‑mechanical systems
• Support integration of optical elements including lenses, mirrors, and laser paths into mechanical structures
• Develop and refine pointing and stabilization mechanisms (e.g., gimbals, mounts, precision actuation systems)
• Perform tolerance analysis (GD&T) to ensure optical alignment and system performance
• Collaborate cross‑functionally with optical, electrical, and systems engineering teams
• Support prototype builds, testing, and validation, including troubleshooting and design iteration
• Ensure designs meet ruggedization requirements (shock, vibration, thermal stability)

Qualifications:

• Bachelor’s degree in Mechanical Engineering or related field
• 3–10 years of experience in mechanical design (level flexible based on candidate)
• Experience with precision mechanical design and tight tolerance assemblies in rugged environments
• Proficiency in CAD tools (SolidWorks preferred)
• Strong understanding of GD&T and tolerance stack‑up analysis
• Experience working in cross‑functional engineering environments

Salary Range: $100k‑$140k

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.

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.