Jobs at Sierra Space

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.

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 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.

Develop and implement manufacturing processes to improve efficiency, quality, and safety. Lead root cause analysis and corrective actions, drive Lean/Six Sigma process improvements, perform preventive maintenance, document SOPs and work instructions, read schematics and technical manuals, analyze production data, and support process validation and equipment calibration.

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.

Lead systems engineering, operations, and training teams to develop operational procedures, execute mission operations, build training/certification programs, integrate with requirements/verification efforts, manage budgets/resources, lead readiness reviews and simulations, mitigate operational risks, and collaborate across spacecraft, ground, and systems engineering stakeholders.

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

The Principal Software Test Engineer will lead software testing initiatives, mentor junior engineers, and oversee testing strategies while ensuring quality across complex aerospace software systems.

Lead and manage the accounts payable team to ensure accurate, timely, and compliant invoice processing and payments. Drive process improvements, maintain SOX controls, support month-end close, manage vendor relationships, analyze payment trends and support system implementations and audits.

The Composite Technician II role involves assembling, testing, and maintaining mechanical systems and components, focusing on composite materials and precision techniques to meet specifications.

The Sr. Program Manager will oversee a $1B+ portfolio, manage production programs for space vehicles, and collaborate with teams to ensure program execution and compliance.

Manage and maintain financial records, prepare and analyze GAAP-compliant financial statements, lead month/quarter/year-end close, reconciliations, and audits. Oversee project accounting and revenue recognition, improve internal controls, mentor junior accountants, collaborate cross-functionally, and perform detailed financial analysis using accounting software and Excel.

The Sr. Program Manager leads program management efforts, overseeing cost, schedule, and technical performance, ensuring successful outcomes through comprehensive planning and team collaboration.

Designs, implements, and maintains quality assurance protocols for manufacturing processes and products. Conducts inspections and tests, analyzes data for trends, recommends process improvements, and implements corrective actions. Ensures compliance with IPC, NASA, and regulatory standards, uses GD&T and engineering drawings, participates in audits, and applies RCCA/CAPA methodologies.

Design, develop, and test complex flight and space systems software. Write maintainable code, perform code reviews, use version control, troubleshoot issues, document configurations, and mentor junior engineers. Participate in SITL/HITL testing and follow software development best practices.

The Technical Quality Assurance Inspector I conducts supervised inspections of manufacturing goods, interpreting technical documents, ensuring quality compliance, and documenting results using Microsoft Office tools.

The Technical Quality Assurance Inspector III inspects manufacturing goods, conducts dimensional and electrical inspections, ensures compliance with standards, and documents inspection results.

The Software Test Engineer III will lead testing processes, develop test plans and strategies, and guide junior engineers while coordinating with cross-functional teams to ensure quality of aerospace software systems.

The FP&A Analyst II role involves supporting financial planning, reporting, and decision making through budget and forecast development, data analysis, and communication of insights to meet strategic goals.