Jobs at Sierra Space

Performs master-level welding, cutting, fitting, trimming, fabrication, repairs, and fixture construction for mechanical and fluid systems supporting launch operations. Works with structural, hydraulic, zirconium, stainless steel, and other materials using MIG, TIG, and orbital arc welding. Interprets technical drawings, uses precision measurement tools, maintains equipment, follows safety and handling procedures, documents work, and mentors team members while collaborating with engineers.

Leads technical engineering projects and small cross-functional teams, integrating solutions while balancing technical, cost, schedule, and quality requirements. Responsibilities include trade studies, technical evaluations, estimates, supplier coordination, Statements of Work, risk and opportunity management, stakeholder communication, and mentoring junior engineers. The role bridges Engineering and Program offices and drives innovation and continuous improvement.

Leads systems engineering for space-based infrared sensor payloads supporting missile warning and tracking. Oversees requirements, architecture, supplier activities, interfaces, verification, sensor performance, detection and tracking algorithms, modeling, simulation, integration, testing, calibration, and on-orbit operations. Coordinates multidisciplinary teams and customer interfaces while managing technical risks, performance margins, anomalies, and mission-level track accuracy. Provides senior technical authority and mentorship across payload, spacecraft, software, algorithms, GNC, and mission operations.

Supports senior engineers with the analysis, design, and evaluation of mechanical systems, propulsion, structures, and environmental systems. Collects and analyzes data, resolves routine technical problems, prepares technical documentation and reports, and communicates findings within cross-functional teams. The role requires basic mechanical engineering knowledge, collaboration, attention to detail, and the ability to follow guidance while meeting project objectives and deadlines.

Supports the development, optimization, and troubleshooting of manufacturing processes for satellite and spacecraft hardware. Responsibilities include production line setup, equipment troubleshooting, process documentation, CAD design, production data analysis, cross-functional issue resolution, and continuous improvement. The role also contributes to manufacturing standardization and efficiency initiatives in an aerospace environment.

Plans and designs Dream Chaser missions using flight design tools, developing trajectories and integrating timelines, procedures, attitudes, and other mission products. Supports real-time flight operations after completing training and flight controller certification. Collaborates with engineering, flight science, and control teams, participates in mission simulations, and provides mission support from the Mission Control Center. The role requires orbital mechanics or spacecraft attitude dynamics knowledge, strong communication, problem-solving, and teamwork skills.

Develops and integrates complex spacecraft and mission systems through requirements decomposition, architecture development, concept of operations, system integration, verification, and validation. The role supports technical milestone reviews, manages risks and performance measures, ensures configuration and process compliance, and collaborates with cross-functional engineering teams. It may lead small systems engineering teams and mentor junior engineers.

Design, implement, and evaluate spacecraft GNC algorithms and FDIR. Develop SIMULINK/STK simulations, model sensors/actuators, run Monte Carlo analyses, validate GNC flight software, ensure requirement compliance, and communicate technical results to stakeholders.

Leads medium-sized aerospace engineering projects and cross-functional teams from design through execution. Oversees technical integration, trade studies, supplier management, cost and schedule control, risk management, quality, estimates, and stakeholder communication. Provides technical mentorship, supports proposals and contracts, tracks key performance indicators and technical performance metrics, and serves as a bridge between Engineering and Program Management while driving innovation and continuous improvement.

Supports verification and validation testing of aerospace systems and components. Assists with test planning, execution, troubleshooting, documentation, test data analysis, and disposition of product non-conformances. Collaborates with multidisciplinary teams under senior engineering guidance, applies engineering and quality principles, and prepares technical reports and communications supporting system integration and project milestones.

Lead the development and integration of advanced GNC systems for spacecraft. The role involves designing algorithms, subsystem integration, and ensuring technical excellence across multiple aerospace projects.

Creates and modifies complex 3D component and assembly models, detailed CAD drawings, and configuration-management records. Performs design checks, identifies inconsistencies, applies GD&T and MBSD standards, and proposes modifications to improve product quality and functionality. Collaborates with engineers to resolve design issues and develop aerospace components while maintaining PLM documentation and organized design data.

Plans and manages materials for complex manufacturing programs, aligning procurement and inventory with production schedules. Analyzes material requirements, usage, lead times, supplier performance, and costs using ERP, MRP, Excel, and SQL. Leads process and system enhancements, automation, and continuous improvement initiatives; coordinates with procurement and cross-functional teams to resolve delivery, quality, and pricing issues; presents performance reports and mentors junior planners.

Plans and procures materials to support production schedules while optimizing inventory and minimizing costs. Collaborates with engineering, production, and procurement teams; analyzes material requirements, inventory, lead times, and supplier performance using ERP, MRP, Excel, and SQL. Resolves supplier issues, prepares management reports, and leads process and system enhancements. The role also supports challenging programs and trains junior material planning staff.

Operates as a real-time spacecraft systems engineer for Dream Chaser missions. Monitors telemetry, commands subsystems, executes nominal and contingency procedures, analyzes anomalies, and provides technical recommendations to the Flight Director. Responsibilities include pre-mission planning, console product and procedure development, flight rules, simulations, certification, and coordination with flight control and engineering teams. The role requires rotating 9-hour shifts for continuous mission coverage and on-site work in Louisville, Colorado during missions.

Creates and maintains production schedules, aligning materials, labor, and resources with manufacturing goals. Coordinates with procurement, manufacturing, engineering, and logistics; manages schedules and inventory through ERP and MRP systems; monitors progress and adjusts for delays. Analyzes production data, supports Lean Manufacturing and continuous improvement, develops planning procedures, troubleshoots production issues, and presents recommendations to stakeholders.

Provides executive leadership for the enterprise proposal management function, directing complex, high-value government and strategic proposals. Builds high-performing teams, establishes scalable processes and quality reviews, develops executive-level narratives and win strategies, advises leadership on bid decisions, manages budgets and resources, and improves win rates through analytics, automation, continuous improvement, and cross-functional collaboration.

Leads spacecraft mission design, modeling, simulation, and analysis for constellations and system-of-systems architectures. Derives requirements, evaluates mission performance, supports vehicle and payload sizing, validates system models, develops analysis tools, and presents recommendations to customers, executives, and engineering teams. Supports business development, technical documentation, and mission design process development while leading teams through complex space and defense programs.

Designs and develops complex tooling and fixtures for advanced manufacturing processes. Leads process optimization, gated design reviews, validation, and cross-functional improvement projects. Creates CAD models, drawings, and specifications; collaborates with engineers, suppliers, technicians, and operators; supports tooling implementation and training; and ensures compliance with safety, quality, and manufacturing standards.

Assists senior engineers with designing, analyzing, and evaluating mechanical ground support equipment for spacecraft assembly, integration, and testing. Supports work on fixtures, shipping containers, pressure panels, tooling, and transportation equipment; collects and analyzes engineering data; resolves routine technical problems; and prepares technical documentation and reports. Collaborates cross-functionally, follows guidance, meets deadlines, and communicates technical concepts clearly.