About Opterus: Opterus Research & Development is an innovative aerospace company based in Loveland, Colorado, specializing in deployable space systems and high-strain composite structures. We combine cutting-edge composite materials, origami-inspired architectures, and elegant engineering to deliver lightweight, high-performance structural systems for commercial, defense, and scientific missions. About the Position: As a Mechanical Engineer II or III, you will help design and develop lightweight, high-performance deployable structures and integrated systems for spacecraft and lunar surface missions. This role is ideal for someone with a passion for aerospace mechanisms, composites, or deployable structures, and who thrives in a fast‑paced, iterative environment. Key Responsibilities: • Design and analyze deployable systems • Take ownership of developing structural components and mechanisms from initial ideation through prototyping, qualification, and production • Create CAD assemblies and documentation using SolidWorks to produce detailed models, build documentation, and mechanical drawings • Support hardware assembly and integration by performing hands on work in a cleanroom environment to ensure precise and reliable system builds • Test and validate structural components by executing performance tests, analyzing results, and confirming flight readiness • Iterate and prototype designs frequently, characterizing performance, documenting findings, and refining concepts based on test data • Collaborate across engineering and production teams to meet quality, schedule, and budget goals while ensuring alignment throughout the project lifecycle • Solve complex engineering challenges by adapting quickly, pivoting when needed, and proposing innovative solutions to unforeseen issues • Provide mentorship for junior Mechanical Engineers • Perform additional engineering duties as required to support mission and program success Qualifications: • BS in Mechanical, Aerospace, or related engineering field • Mechanical Engineer II: 2+ years experience • Mechanical Engineer III: 5+ years experience • Experience with spacecraft design, deployable structures, and/or composites strongly preferred • Demonstrated creative problem‑solving and engineering intuition • Proficiency in GD&T and standard analysis practices • Fluency in CAD (SolidWorks preferred) • Strong communication and organizational skills • Ability to work both independently and collaboratively • Proficiency with Microsoft Office Suite • US citizen or permanent resident required Compensation and Benefits: • Flexible hybrid schedules (9/80 or 10/80) with at least two in office days per week • Opterus covers 100% of employee premiums and 70% of dependent premiums • Medical, Dental, Vision, STD, LTD, Life & AD&D • 401(k) with 4% company match • 9 paid holidays • Mechanical Engineer II: $90,000-$118,000 • Mechanical Engineer III: $114,000-$140,000