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About The Role:

Urban Sky is seeking a Mechanical Engineer to join our Engineering team in Denver, CO. This role will be focused on developing next generation avionics for high altitude balloons. You will play a key role in ensuring that high altitude balloons continue to push the limits of flight duration and reliability. Working closely with a multidisciplinary team, you’ll help ensure our balloons achieve mission success by providing technical expertise and engineering support throughout the product lifecycle—from planning and design to flight and recovery.

Key Responsibilities:

• Design and implement mechanical systems that enable custom avionics to operate reliably with long duration on Urban Sky’s high-altitude balloon systems.
• Collaborate with internal teams to understand avionic requirements and develop custom enclosures, robust mechanisms, and environmental accommodations to ensure safe and reliable stratospheric deployment.
• Conduct environmental and functional testing of avionic systems to validate performance under extreme conditions, including thermal, vibration, and low-pressure testing.
• Develop pre-flight verification and post-flight data validation processes to ensure mission assurance.
• Analyze in-flight performance of avionics to identify improvements in mechanical interfaces and operational procedures.
• Work closely with cross-functional internal teams—including electrical, firmware, systems, and operations engineering—to support seamless end-to-end mission success.
• Interface with suppliers and external partners to source high-quality mechanical components and integration hardware tailored to avionic design.

Qualifications:

• Bachelor’s or Master’s degree in Mechanical, or Aerospace Engineering or equivalent experience.
• 3-10+ years of experience in mechanical design, testing, and integration of instrumentation or similar systems.
• Proficiency in CAD software (e.g., OnShape, AutoCAD, or Fusion 360) for designing complex mechanical systems.
• Proficiency in data acquisition systems and sensor technologies (e.g., temperature, pressure, humidity, optical sensors).
• Experience with environmental testing, including thermal, vibration, and vacuum conditions.
• Strong analytical and problem-solving skills, with the ability to interpret complex data.
• Strong knowledge of materials and manufacturing processes, including machining, 3D printing, and injection molding.
• Skillful in diagnosing issues and implementing effective solutions.
• Willing to travel to partner locations for collaborative workflows.
• Willing to travel to launch locations to demonstrate the successful integration of payloads

Nice-to-Haves/Preferred Skills:

• Experience in aerospace or environmental monitoring applications.
• Familiarity with integrating mechanical systems with electronics and sensors.
• Knowledge of stratospheric or high-altitude conditions and their impact on mechanical systems.
• Hands-on experience in designing enclosures and thermal management systems for extreme environments.
• Great people skills.
• Experience integrating or supporting Department of Defense (DoD) payloads, with an understanding of relevant security, interface, and environmental requirements for stratospheric or near-space operations.

Requirements:

• Must be US Citizen or Permanent Resident
• Must be located near Denver, CO

Benefits:

• Salary $100,000 - $130,000 per year
  • We are required to post this salary range per Colorado law. Your salary will be determined based on your abilities and experience.
• Stock Options
• Medical, Vision and Dental
• Unlimited Vacation Days
• Cell Phone Bill Stipend