Senior Mechanical Engineer

Senior Mechanical EngineerLongmont, ColoradoWe'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 Senior Mechanical Engineer you will be responsible for:Design and develop precision mechanical components and assemblies for opto-mechanical systemsExperience with thermal, structural, and or dynamic analysis of optical-mechanical systems a plusSupport integration of optical elements including lenses, mirrors, and laser paths into mechanical structuresDevelop and refine pointing and stabilization mechanisms (e.g., gimbals, mounts, precision actuation systems)Perform tolerance analysis (GD&T) to ensure optical alignment and system performanceCollaborate cross-functionally with optical, electrical, and systems engineering teamsSupport prototype builds, testing, and validation, including troubleshooting and design iterationEnsure designs meet ruggedization requirements (shock, vibration, thermal stability)Qualifications:Bachelor's degree in Mechanical Engineering or related field10-20+ years of experience in mechanical design (level flexible based on candidate)Experience with precision mechanical design and tight tolerance assemblies in rugged environmentsProficiency in CAD tools (SolidWorks preferred)Strong understanding of GD&T and tolerance stack-up analysisExperience working in cross-functional engineering environmentsSalary Range: $120,000-$150,000The 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 experienceNote: Due to the nature of the work, only US Persons need apply for this position.All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, age, genetic information, or pregnancy.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.