Mechanical Engineer - Ground System Lead

• Lead the design, analysis, prototyping, and productionization of all mechanical ground support equipment, including high-pressure gas fill hoses and plumbing assemblies. - Design and develop high-pressure gas storage systems with integrated plumbing, regulators, relief devices, and packaging that accounts for field hazards such as vehicle impacts and rough handling. - Engineer ground anchoring systems, mechanical releases, weight plate hold-downs, truck-mount anchors, balloon collars, and other heavy mechanical devices used during launch and recovery operations. - Own the full product lifecycle for GSE hardware — from requirements definition and concept development through detailed design, test, qualification, and production release. - Perform structural, pressure, and thermal analyses to validate designs and ensure compliance with applicable codes and standards for high-pressure gas systems. - Drive design-for-manufacturability and design-for-field-serviceability into every product, ensuring systems can be built efficiently and maintained by field crews. - Develop and maintain safety documentation, operating procedures, and hazard analyses for all ground support systems involving pressurized gases or heavy mechanical loads. - Collaborate with flight systems engineers, field operations, and manufacturing to ensure GSE interfaces cleanly with flight hardware and meets operational requirements. - Rapidly iterate on designs through hands-on prototyping, testing, and real-world field validation — building and shipping products at startup speed. - Support customer-facing product delivery when GSE is sold as part of Urban Sky’s commercial systems, ensuring products meet quality and reliability standards. Who you Are:

• U.S. citizenship or permanent residency required. - A mechanical engineer who deeply understands high-pressure gas systems, heavy mechanical assemblies, and robust product design. This is your craft and you are deeply skilled at it. - A self-starter who thrives with autonomy and doesn’t need someone to tell you what to build next. You see what needs to be done, you make a plan, and you execute. - Someone who thrives in ambiguity and moves fast. You are comfortable making decisions with incomplete information and iterating toward the right answer through building and testing. - A builder who ships. You are not interested in analysis paralysis or endless design reviews. You want to get hardware into the real world, learn from it, and make it better. - Safety-conscious by instinct. You understand that high-pressure gas systems and heavy mechanical equipment demand rigorous engineering discipline, and you bring that discipline naturally without slowing down. - Hard-working and highly motivated. You want to be part of a company that is commercializing the stratosphere, and you are ready to work hard to make that happen. - Scrappy and resourceful. You can work within constraints, find creative solutions, and deliver results without waiting for perfect conditions or unlimited budgets. - A strong communicator who can work across teams, write clear documentation, and explain technical decisions to both engineers and non-engineers. Qualifications:

• Bachelor’s degree in Mechanical Engineering or a closely related discipline; advanced degree is a plus but not required. - 5+ years of experience in mechanical design and engineering, with significant hands-on work involving high-pressure gas systems, pressure vessels, regulators, and associated plumbing. - Strong foundation in solid mechanics, structural analysis, and pressure system design. Proficiency with CAD tools (SolidWorks preferred) and FEA software. - Experience designing products for field use in demanding or uncontrolled environments — not just lab hardware. - Demonstrated ability to take products from concept through production, including design-for-manufacturing considerations. - Familiarity with relevant codes and standards for pressure systems (e.g., ASME BPVC, CGA, DOT) is strongly preferred. - Experience with anchoring systems, mechanical releases, or heavy rigging is a plus. - Comfortable with hands-on prototyping, shop work, and field testing. - U.S. citizenship or permanent residency required. Requirements:

• Must be a US Citizen or Permanent Resident

• Must be located near Denver, CO

• Ability to obtain and maintain a security clearance may be required for certain programs

Benefits:

• Medical, Vision and Dental
• Unlimited Vacation Days
• Parental Leave
• Cell Phone Bill Stipend
• Stock Options

Urban Sky is required to post this salary range per Colorado law. Your salary will be determined based on your abilities and experience.