Senior Controls, Modeling, Simulation & Analysis Engineer

## Join Our Journey At Amentum Space Exploration Division (ASED) your growth is our priority! That’s why we offer an array of exciting opportunities for your career development.

From the transformative Team Lead Academy to education reimbursement, personalized mentoring, and engaging company-sponsored networking events, you have the power to shape your professional journey in a way that aligns with your aspirations. ## Find Your Community At the heart of our thriving business are the incredible people who make it all possible.

We celebrate a vibrant array of cultures, backgrounds, and experiences. Here, we foster an environment where everyone - employees, clients, and partners alike - are treated with the dignity and respect they deserve. ## Prioritize Your Well-Being Our extensive benefits package is designed with your health in mind. Enjoy wellness programs, paid holidays, generous time off, employee perks, and so much more.

We’re here to help you achieve a harmonious balance in your life - both at work and at home. ## Together, We Soar Our dynamic team consists of ten companies united in a single mission: to venture from Moon to Mars and beyond.

Join us on this extraordinary adventure! ## Position Description The Amentum Space Exploration Division (ASED) Guidance, Navigation, and Control (GN&C) team is a high performing group executing challenging tasks to design and integrate GN&C systems for projects ranging from CubeSats to NASA’s Space Launch System (SLS).

We are searching for highly qualified candidates to support the design and development of the SLS rocket in the Control Systems Design and Analysis branch at NASA’s Marshall Space Flight Center as a Controls, Modeling, Simulation, and Analysis Senior Engineer.

This exciting work will serve as a critical step in sending humans back to the Moon, Mars, and beyond! ## Responsibilities include but are not limited to - Model, develop, simulate, and analyze launch vehicle and spacecraft dynamics (including aerodynamics, flexible body, slosh, actuators, etc.), control systems, performance, and stability in both the frequency and time domains with varying levels of fidelity - Resolve complex problems pertaining to the design, development, analysis, integration, evaluation, testing, and verification of control systems and 6-DoF models and simulations. - Conduct verification and validation of launch vehicle and/or spacecraft. - Develop, modify, maintain, and improve software simulations, tools, and scripts. - Configure, conduct, and analyze 6-DoF Monte Carlo simulations. - Conduct trades studies and/or sensitivity analyses related to launch vehicles and spacecraft. - Create, edit, and debug software written in MATLAB, Simulink, and C/C++. - Prepare and present technical reports and/or briefings including visualization of results. - Create and review engineering and software documentation. ## Qualifications A degree in Aerospace, Mechanical or Electrical Engineering or related field from an ABET accredited institution is required.

Typical experience requirements are the equivalent of a PhD with at least 4 years of experience, a master’s with at least 8 years of experience, or BS with at least 10 years of experience. ## Required skills/experience - Proficiency modeling, simulating, and analyzing the performance of launch vehicles and spacecraft in the time including using parametric, Monte Carlo, and statistical techniques. - Experience analyzing control stability in the frequency domain (Nichols, Bode, Nyquist, Root Locus, etc.). - Experience designing and developing flight control systems (PID, state space, etc.) and actuator allocation (manual jet selection, pseudo inverse, etc.) including Thrust Vector Control (TVC) and/or Reaction Control System (RCS)/Phase plane. - Experience modeling one or more spacecraft components/subsystems including actuators, TVC, RCS thrusters, slosh, pogo, rigid and/or flexible body dynamics, and/or sensors. - Proficiency programming in MATLAB, Simulink, and C/C++.

This includes debugging and improving the efficiency of simulation tools. - Experience performing trade studies, sensitivity, and/or Monte Carlo simulation and analyses related to the control of launch vehicles and/or spacecraft. - Must be detail oriented and self-motivated that can work independently taking projects from start to finish without much oversight. - Must also be able to work collaboratively with other team members both locally and remote at other facilities or vendors. - Strong written and oral communication, interpersonal, and problem-solving skills. ## Desired skills/experience - Ability to derive multi-body spacecraft dynamics equations of motion, including both nonlinear equations and linear state equations and integrate subsystem models into larger simulations. - Experience modeling and simulating manual control of spacecraft including but not limited to controllability, transfer function models, Cooper Harper ratings, and paper pilot modeling. - Experience in performing software development, verification, and validation. - Programming in other languages such as Python. - Familiarity with and an understanding of trajectory and orbital dynamics. - Experience with creating animations/visualization from results of 3-DoF/6-DoF simulations using tools such as Unreal Engine, Satellite Tool Kit (STK), etc. - Model based design.

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 (5%).

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. #ESSCA #ASED #Amentum ## Compensation Details 0.01 The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued.

Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws. ## Benefits Overview Our health and welfare benefits are designed to support you and your priorities.

Offerings include: - Health, dental, and vision insurance - Paid time off and holidays - Retirement benefits (including 401(k) matching) - Educational reimbursement - Parental leave - Employee stock purchase plan - Tax-saving options - Disability and life insurance - Pet insurance Note: Benefits may vary based on employment type, location, and applicable agreements.

Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or ot