Senior Mechanical Engineer

About the role

You will join the Stennis Test team to support the development of the Terran R orbital launch vehicle. This role places you at the forefront of launch vehicle testing, where your mechanical expertise will directly influence the success of critical test campaigns. You will manage the design, operations, and integration of high-energy test hardware and facilities that push the boundaries of current technology. The position requires a proactive mindset to solve complex problems in a dynamic and high-stakes environment. You will be responsible for ensuring that test hardware functions reliably under extreme conditions. Collaboration with cross-functional teams is essential to align test objectives with engineering goals. Your work will contribute to the validation and qualification processes that are vital for flight certification. This is an opportunity to apply mechanical engineering principles to real-world testing challenges that impact the future of space access.

Key facts

What you'll do

• Design fluid systems, including P&IDs, component selection, and analysis, ensuring compatibility with test objectives.
• Create detailed 3D models, structural designs, and fabrication drawings that serve as the foundation for hardware construction.
• Manage the activation, maintenance, and upgrades of test stands to guarantee operational readiness and safety.
• Execute test campaigns for engines, components, and full stages using automation and GUIs to streamline processes and improve data integrity.
• Prepare hardware for testing through rigorous inspections, leak checks, and functional verification to mitigate risks.
• Author work instructions and manage non-conformances for test articles to maintain compliance and traceability.
• Coordinate hardware flow and repairs with technicians and quality inspectors to uphold schedule and quality standards.
• Analyze test data and system performance to identify discrepancies and recommend design improvements.
• Support the development and implementation of test procedures that align with safety and quality protocols.
• Facilitate communication between engineering, test operations, and production teams to ensure alignment on project milestones.

Requirements

• Hold a Bachelor degree in mechanical engineering, aerospace engineering, or a related field from an accredited institution.
• Demonstrate the ability to safely operate common power tools in a manufacturing or test environment.
• Possess a valid driver license for site vehicle operation to enable mobility within the facility.
• Exhibit the capability to travel up to 10% of the time to production or launch sites as required by project needs.
• Must pass a US government background check for site access to ensure eligibility for sensitive assignments.
• Adhere to strict safety standards and protocols in all testing and fabrication activities.
• Collaborate effectively in a team-oriented setting that values diverse skills and perspectives.
• Maintain attention to detail to ensure accuracy in designs, documentation, and test execution.

Nice to have

• Proficiency in 3D modeling, drafting, and GD&T to enhance design precision and manufacturability.
• Engineering background in thermal fluid systems and structures for addressing complex test scenarios.
• Practical experience with fabrication for complex assemblies to support rapid prototyping and iteration.
• Knowledge of fluid components and P&ID development to optimize system integration.
• Experience operating high-pressure gas, cryogenic, flammable, or hydraulic systems with a focus on safety.
• Strong technical writing or documentation skills to convey engineering concepts clearly and effectively.

Skills & tools

• Expertise in 3D modeling software to create accurate representations of mechanical components and assemblies.
• Proficiency in fluid system design and analysis to evaluate performance under varying conditions.
• Strong capabilities in technical documentation to ensure clarity and consistency in procedural outputs.
• Familiarity with test automation and GUI control to improve efficiency and reduce manual errors.

Practical notes

• Operations and Integration roles typically require working scheduled morning or evening shifts to align with testing timelines.
• Compensation includes salary, equity, PTO, sick leave, parental leave, and a learning and development stipend to support professional growth.
• Reasonable accommodations for the application process are available via email to ensure inclusivity and accessibility for all candidates.

This position represents a critical role within the Stennis Test Team, focusing on the mechanical aspects of test hardware and facility management. The successful candidate will be expected to uphold the highest standards of safety, quality, and efficiency in all responsibilities. The role is integral to the successful execution of test campaigns that validate the performance of propulsion systems and components. You will work in a setting that demands precision, accountability, and collaboration among multidisciplinary teams. The opportunity to contribute to orbital launch vehicle development provides a unique challenge for motivated mechanical engineers. This position is located at Stennis Space Center, a premier site for rocket testing and development. The environment fosters innovation and supports career growth through hands-on experience and continuous learning. Applicants are encouraged to highlight relevant experience in mechanical design, testing, and documentation during the application process. The role requires a commitment to excellence and a willingness to adapt to evolving project requirements.