Jobs at Sierra Space

Provide physical protection and security operations support, use security technologies (cameras, access control, intrusion detection), process security clearances, manage investigations and interviews, and handle classified information per NISPOM compliance.

Support and administer organizational security operations including physical protection, use of cameras/access control/intrusion detection, processing security clearances, managing investigations and interviews, and handling classified information per NISPOM to ensure compliance.

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.

Operate, program, and optimize CNC machines for precision aerospace components. Ensure compliance with safety and quality standards, lead teams, and mentor junior machinists.

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.

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.

The Sr. Principal Software Engineer designs, develops, and tests software for space technologies, leading a team, making design decisions, and ensuring project success while complying with security requirements.

The Program Manager II leads program execution, responsible for cost, schedule, and technical performance, ensures alignment with contracts, mentors junior managers, and drives program success through collaboration and analytical skills.

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.

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.

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.

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.

Assemble, inspect, test, and maintain complex mechanical flight hardware. Translate blueprints into assemblies, perform precision drilling, soldering, harness routing, cleaning, troubleshooting, and in-process testing while following safety, ESD, 5S, and FOD protocols.

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.