Top Tech Jobs & Startup Jobs in Denver & Boulder, CO

The Software Systems Engineer II designs, develops, and tests software for space systems, writing maintainable code and collaborating with teams on innovative solutions.

The Sr Systems Engineer develops advanced system solutions, leading teams through system requirements, integration, and verification while promoting Systems Engineering principles throughout the project lifecycle.

Lead planning, scheduling, budgeting, and earned value control for complex government/defense programs. Perform financial analyses, maintain expenditure records, integrate contractual changes into control systems, and mentor team members. Ensure compliance with government cost-control and EVMS guidelines and prepare program reports and forecasts.

As a Talent Sourcing Partner at Sierra Space, you will attract and recruit talent, manage pipelines, conduct screenings, and coordinate interviews while ensuring alignment with business needs.

The Avionics Technician I installs, inspects, tests, and repairs avionics systems while performing basic maintenance and setup activities. This entry-level role focuses on the use of precision tools, adherence to safety practices, and collaboration for high-quality work.

Lead and manage spacecraft ground operations, ensuring efficient processing and launch readiness of spacecraft while implementing improvements and maintaining safety compliance.

Design and develop flight software for space systems, mentor engineers, and ensure adherence to software development principles in an Agile environment.

Support spacecraft and launch vehicle processing and ground operations: author and validate MES procedures, perform integration, propellant and hazardous operations, execute checkouts, maintain clean-room protocols, verify launch provider and range safety compliance, document anomalies and lessons learned, coordinate across engineering, quality, supply chain, and external stakeholders, and travel to support campaign execution.

Lead mechanical engineering tasks for spacecraft and launch vehicle processing, including MES authoring, procedure validation, payload integration, propellant loading, and interface verification. Serve as Responsible Engineer on discrete technical packages, prepare technical documentation, analyze mechanical/propulsion/structural data, mentor junior engineers, and coordinate with launch providers, range operations, and cross-functional teams during test, launch, and landing campaigns.

The Guidance, Navigation & Controls Engineer III will design, develop, and validate GNC systems for spacecraft, lead testing, and mentor junior engineers.