Jobs at Sierra Space

Lead the design, development, and architecture of embedded software systems. Collaborate with teams to ensure reliability while mentoring junior engineers and improving processes.

The Mechanical Engineer II role involves solving technical problems related to mechanical systems, collaborating with team members, preparing documentation, and supporting project milestones under general supervision.

The Proposal Production Specialist II develops proposals, manages submissions, and ensures compliance with formatting guidelines. Responsibilities include document preparation, collaboration with teams, and providing desktop publishing support.

Provide technical leadership for major aerospace programs, maintain technical baselines, chair engineering and failure review boards, resolve complex multidisciplinary issues, guide system design, development, testing, and make final technical decisions to ensure mission success and compliance with requirements.

Provide technical vision and architectural leadership for major aerospace programs: define system architecture and standards, conduct feasibility and trade studies, develop technology roadmaps, advise program leadership, drive reusable design patterns and standardization, participate in early-phase proposals and milestones, and translate strategic vision into executable architectures that meet mission objectives.

Lead systems engineering across the product lifecycle: define and trace requirements, develop system architectures, plan and lead integration and V&V, manage technical risks, mentor engineers, and contribute to corporate SE policy and processes to deliver integrated spacecraft and mission systems.

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.

Develop, implement, and manage corporate compliance programs and policies. Support external and government audits, maintain compliance records, recommend corrective actions, and communicate findings across the organization to ensure adherence to regulations.

The Legal Counsel will provide strategic legal advice, manage complex legal matters, and ensure compliance with regulations in the aerospace industry while supporting executive leadership.

The Business Development Operations Manager oversees project management, coordinates resources, and supports the Business Development team to ensure operational excellence in space and defense sectors.

The Chief Engineer leads multidisciplinary engineering projects, overseeing system design and development, ensuring technical accuracy, and resolving complex engineering challenges to achieve mission success.

The Buyer I handles sourcing, negotiating, purchasing materials, and maintaining procurement records under supervision, supporting senior buyers in operational needs fulfillment.

The Sr. Software Engineer role involves designing, developing, and testing software for space systems, providing technical leadership, and collaborating with teams to deliver innovative solutions.

The Manufacturing Engineer III leads process optimization, implements quality control measures, collaborates on manufacturing processes, and manages cross-functional teams to enhance efficiency in aerospace manufacturing.

The Program Manager I leads program execution, overseeing cost, schedule, and technical performance while managing multiple projects and collaborating with cross-functional teams.

The HR Coordinator II manages HR operations, oversees employee onboarding, maintains records, and ensures compliance with policies, while improving processes and responding to HR inquiries.

As a Maintenance Technician III, you will manage equipment maintenance, conduct diagnostics, perform repairs, develop schedules, and ensure compliance with safety standards.

Design, develop, test, and maintain complex business applications. Write clean, scalable code in multiple languages, perform debugging and unit testing, lead code reviews, mentor junior developers, use version control (Git), document designs, and contribute to software development strategy and process improvements.

Lead end-to-end program management for large, complex defense/space programs (up to $250M), owning cost, schedule, technical performance, budgets, risk mitigation, stakeholder communications, and compliance. Mentor junior managers, apply EVMS/CAM/BOE/FAR/CAS, analyze financial/performance metrics, and develop learning programs to improve team capabilities.

Manage front desk reception, phone and visitor access; coordinate calendars, meetings, events and daily facility maintenance; handle office supplies, communications, documentation, and collaborate on process or cost-efficiency initiatives.