Our Space Exploration Group (JSEG) has been a primary contractor for NASA since 1989 is comprised of 9 companies and is located at Marshall Space Flight Center in Huntsville, AL (ranked #1 in Best Places to Live by U.S. News). **Create Your Career:** **Grow With Us** Your growth matters to us-that’s why we offer a variety of ways for you to develop your career. With professional and leadership development opportunities like Team Lead Academy, education reimbursement, mentoring, and company sponsored networking events, you can take control of your own career path on your own terms with a company that believes in you. **A Place Where You Belong** At JSEG, people are at the heart of our business. We reflect a diversity of cultures, backgrounds, and experiences. We expect our people, clients, and partners to treat one another with dignity and respect. This means promoting inclusion, celebrating diversity, and appreciating the differences we all bring to our workplace. **Support Your Well-Being** Our comprehensive benefits package includes wellness programs, 11 paid holidays, parental leave, paid time off, employee perks and much more. With these benefits, plus the option for flexible schedules and possible remote a few days a week (depending on customer requirements) we’ll support you as you pursue a balanced, fulfilling life-at work and at home. **Responsibilities:** The Sr Aerospace Systems Analyst helps support the development, integration, and testing of 6 DOF trajectory simulation software for NASA’s SLS/ARTEMIS program. This position will require a well-rounded background of flight dynamics modelling skills, experience with computer programming, and the desire to perform high fidelity analyses to help optimize and integrate inputs for the flight dynamics of the Artemis mission. **Description:** The Space Exploration Group (JSEG) Guidance, Navigation, and Control (GN&C) team is a high performing group executing challenging tasks to design and integrate GN&C systems for NASA projects ranging from NASA’s Space Launch System(SLS) to NASA’s Human Lander System. We are searching for highly qualified candidates to support NASA’s Flight Dynamics Team in the Guidance, Navigation, & Mission Analysis branch at NASA’s Marshall Space Flight Center. This exciting work will serve as a critical step in sending humans back to the Moon, Mars and beyond! **Job Functions:** + Analysis of launch vehicle and spacecraft, dynamics, equations of motion, and trajectories to assess performance of spacecraft ascent trajectories, mission analysis, and related studies + Modeling ascent and in-space environments, errors, disturbances, GN&C algorithms, sensors, actuators, and mechanisms + Simulate and analyze nominal, contingency, and failure scenarios during ascent and in-space flight + Develop algorithms and tools to analyze 6 DOF trajectories using Monte Carlo techniques + Execute/modify existing software/scripts in C, Python, C++ Help develop and improve NASA’s MAVERIC simulation **Day to day activities include:** + Dynamic modeling of 6 DOF single body systems. + Creating, editing and debugging software written in C, Python, Matlab, Fortran, and C++. + Optimization and improvement of analysis tools and GN&C models. + Working with GN&C leads and other engineering disciplines. + Supporting the verification and validation of technical products. + Creation and review of engineering and software documentation. + Preparing and Presenting technical reports and briefings. **Qualifications:** A degree in Aerospace Engineering, Mechanical Engineering, Physics or related field is required. Degree from an ABET-accredited university is preferred. Typically, educational requirements are the equivalent of a Ph.D. with a minimum 4 years of experience; Masters with at least 8 years of experience, or a BS with at least 10 years of experience. The candidate is REQUIRED to have the following skills and experiences: + C and/or programming experience, preferably both + Python programming experience + BASH experience + Software & simulation integration OR Modeling & simulation experience To be successful in this position, the applicant must be detail oriented, work independently and collaboratively, possess strong communication and interpersonal skills, and will typically possess some of the following skills: + Dynamically model 6 DOF single body systems. + Matlab, Fortran, C++ programming experience. + Familiarity with Linux, Bash, and the use of computational clusters/servers. + Support the design, integration, and analysis of GN&C products. + Configure, conduct, and analyze 6-DOF Monte Carlo simulations. JSEG offers a partnership in which you can grow personally and professionally within a framework of strong leadership, competitive compensation, and rewarding career paths. Come join our team on the Engineering Services and Science Capability Augmentation (ESSCA) contract whose work is destined to have a long-range effect on future generations! For more information on why Huntsville is known as “ **one of the smartest cities in the nation** ”, check out these websites: • https://hsvchamber.org/ • www.Huntsville.org/ • https://www.movoto.com/guide/huntsville-al/moving-to-huntsville/ • https://realestate.usnews.com/places/alabama/huntsville • https://iveyhsv.com/real-estate-blog/13-reasons-why-you-should-move-to-huntsville/ **Essential Functions** **Work Environment:** Office environment. Requires ability to provide clear, concise, accurate and timely communication, both verbally and in writing (100%). Requires ability to interact professionally with co-workers, management, and client (100%). Requires travel in the domestic USA (10%). Requires ability to work at a computer for long periods of time(100%). **Physical Requirements:** Requires sitting for extended periods of time in meetings with peers, management, and with our client at NASA facilities to discuss technical issues (10%). Also, requires sitting for extended periods of time at a desk to write reports and perform engineering tasks (80%). Requires ability to use stairs or elevators for access between floors and multiple buildings at NASA and our facilities (10%). **Equipment and Machines:** Requires ability to operate a personal computer, a telephone, fax machine, copier, calculator, and other general office equipment (100%). **Attendance:** Normal workday 7:30 - 4:30, Monday thru Friday. Minimal overtime may be required (10%) to meet schedule milestones and to support technical demands of the job. Regular attendance is a necessity, and adequate arrangements for delegating duties during absences are required. **Other Essential Functions:** The ability to work independently with minimal supervision, and to make rational decisions, and to exercise good judgment is essential (100%). Grooming and dress must be appropriate for the position and must not impose a safety risk/hazard to the employee or others. Proof of U.S. Citizenship is required. \#ESSCA