NASA Space Vehicle Modeling and Simulation Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: NACI Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * **The Opportunity:** CACI is looking for a experienced **Space Vehicle Systems Modeling and Simulation Engineer** to work with NASA's human-rated spacecraft systems in support of our Nation’s space exploration initiative at NASA / Johnson Space Center in Houston, TX. Candidates should have great interest in spacecraft vehicles and systems, enjoy working with software, and most of all, possess a great passion to contribute to our Nation’s exploration of space. This work involves math model and simulation development, simulation integration, and distributed simulation development on Linux PC platforms using the Trick© Simulation Environment and Development Toolkit. Individual will integrate third-party simulations with Trick-based simulations developed at NASA in support of the Gateway program. The individual will develop high-fidelity simulations and math models for NASA space vehicles. The ideal candidate has spacecraft domain experience in one or more of the following areas: avionics command and data handling, electrical power, environmental control and life support, fluids and thermal, orbital dynamics, robotic dynamics, orbital dynamics, Guidance, Navigation, and Controls. The engineer in this role will identify and implement improvements to math models and simulation scenarios, analyze simulation data to evaluate system characteristics and performance, and support continual enhancements to the simulation architecture. The engineer will support model validation and software verification between multiple vendors. This position requires a self-motivated, capable person with strong verbal and written communication skills. In addition to outstanding technical expertise, the individual must be very people savvy with strong customer relationship skills, possess a positive team-player attitude, and be flexible and willing to take on new assignments and responsibilities as they arise. Finally, the most qualified candidate will be an articulate speaker able to communicate complex technical ideas in a convincing manner, must share our passion for our Nation's Space Program, and share in the excitement of developing the next human-rated space vehicles. **Responsibilities:** + Space vehicle system, and subsystem simulation math model requirements, architecture definition, and design. + Design and develop math models for spacecraft systems and subsystems including hardware and software. + Develop simulation scenarios to test nominal and off-nominal spacecraft operations. + Distributed simulation development. + Perform analysis on simulation data to investigate spacecraft system performance. + Present analysis results and their impact on spacecraft performance, vehicle design and mission design to customers **Qualifications:** _Required:_ + U.S. Citizen or Permanent Resident for access to USG Facilities. + B.S. in Aerospace or Computer Engineering, Computer Science, or related disciplines with experience in software development, including overall project design, programming, testing, verification, and documentation. + 5+ years of experience working with simulation, math model development, and real time software applications. Greater experience is highly valued. + 5+ years of experience with one or more spacecraft domains including avionics command and data handling, electrical power, environmental control and life support, fluids and thermal, orbital dynamics, robotic dynamics, Guidance, Navigation, and Controls, and mechanical, dynamics and control. Greater experience is valued. + 5+ years of software development experience with C/C++ and Python in a Linux environment. + Experience with software version control tools such as git. + Experience with Continuous Integration tools and methods + Strong computer and software skills in both Linux and Windows environments. + Ability to manage multiple priorities with minimal supervision. + Highly responsible, team-oriented individual with strong work ethic. _Desired:_ + M.S. Aerospace or Computer Engineering, Computer Science or Modeling and Simulation and relevant work experience in aerospace software development projects. + Experience with simulation and math model validation processes. + Experience with software simulation programming and scenario development, e.g., CACI/NASA Trick simulation is a plus. + Experience with CACI/NASA General-Use Nodal Network Solver (GUNNS). + Experience developing simulations with High Level Architecture (HLA) or other distributed simulation methods. + Experience in multi-threaded programming or 1553 bus protocol. + Experience with spacecraft simulation development using NASA JEOD. - ______________________________________________________________________________ **What You Can Expect:** **A culture of integrity.** At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation. **An environment of trust.** CACI takes pride in fostering a diverse and accessible culture where every individual feels supported to chart their own path. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. **A focus on continuous growth.** Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. **Your potential is limitless.** So is ours. Learn more about CACI here. (https://careers.caci.com/global/en/life-at-caci) ______________________________________________________________________________ **Pay Range** : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Learn more here (https://careers.caci.com/global/en/employee-benefits) . The proposed salary range for this position is: $69,100 - 141,500 USD _CACI is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, age, national origin, disability, status as a protected veteran, or any other protected characteristic._