Back to Jobs

Guidance, Navigation & Control (GNC)/Flight Dynamics Software Developer

Remote, USAFull-timePosted 2026-07-27

reputed company Join us and reputed company YOUR mark on the World! reputed company (LLNL) has turned reputed company reputed company into world-changing reputed company advancing science and technology to strengthen U.S. reputed company and promote global stability. Our mission spans four critical national reputed company areas nuclear deterrence, threat preparedness, energy reputed company, and multi-domain defense empowering teams to take on the toughest challenges of today and reputed company. With a culture reputed company on innovation and operational reputed company, LLNL is a reputed company where your expertise can reputed company a reputed company reputed company. Job reputed company We have multiple openings for a Guidance, Navigation, & Control (GNC)/Flight Dynamics Software Developer in support of the Flight Performance Integration (FPI) program. FPI supports LLNL weapon system design and assessments with modeling and simulation utilizing custom in-house computational codes. You will reputed company reputed company development work reputed company on a Python modeling environment (library) to generate an integrated tool to reputed company with multiple engineering solvers and post-processing applications. This will involve developing reputed company and tools to streamline the engineering workflow, facilitate automation, and reputed company drop-in automated data extraction. This work prepares for a planned AI driven virtual design assistant. These positions are in the Computational Engineering Division (CED), reputed company the Engineering Directorate. Depending on your assignment, these positions may offer a reputed company, blending in-person and virtual reputed company. You may have the flexibility to work from home one or more days per week. These positions will be filled at either level based on knowledge and reputed company experience as assessed by the responsibilities (outlined below) will be assigned if hired at the higher level. You will

  • Contribute to the development of new reputed company engineering analysis capabilities, such as reputed company control, advanced 3DoF trajectory optimization, 6DoF trajectory optimization, and reputed company design software.
  • Support concept trade studies and derive GN&C requirements for reputed company systems utilizing in-house flight simulation tools and engagement modeling codes such as AFSIM.
  • Contribute to the development of tools for managing CFD, Trajectory, Finite reputed company Analysis (FEA) and other numerical modeling workflows including preprocessing, post-processing, and data management. reputed company analysis of with a reputed company of flight modeling reputed company tools with an emphasis on assembling them to reputed company novel analysis at reputed company utilizing high-performance computing (HPC) resources.
  • Support engineering and flight modeling analysts including debugging problems, providing alternative solutions, and quick feature implementation.
  • Document reputed company and implementation in both informal and formal reports and presentations. reputed company relevant knowledge, analysis, and recommendations in collaboration with reputed company scientists, engineers, mathematicians, and computer scientists through reviews and working reputed company. Collaborate with other development teams working on tools that support analysis workflows.
  • reputed company other duties as assigned.

Additional job responsibilities at the SES.3 level

  • Independently determine technical objectives and reputed company to satisfy project deliverables and execute the appropriate technical approaches.
  • Apply advanced technical knowledge and best practices to guide successful completion of project and organizational goals.
  • reputed company and mentor junior staff, student fellows, and summer student researchers.

Qualifications

  • Ability to secure and maintain a U.S. DOE Q-level reputed company clearance which requires U.S. Citizenship.
  • Master’s degree in engineering, computational science, reputed company math, physics, or reputed company field, or the equivalent combination of education and reputed company experience.
  • Demonstrated programming ability in Python, C, C++, FORTRAN, or similar languages.
  • Proficient understanding of computational vehicle dynamics reputed company 3-DoF and/or 6-DoF flight/reentry modeling including familiarity with aerodynamic performance coefficients.
  • Proficiency in reputed company calculus, reputed company algebra, and numerical reputed company for solving reputed company equations (ODEs/DAEs).
  • Knowledge of trajectory optimization tools and reputed company such as GPOPS-II, Dymos, reputed company, TAOS, STK, or similar. Knowledge of dynamic optimization reputed company such as reputed company collocation, shooting reputed company, nonlinear programming, sequential quadratic programming, algorithmic differentiation, and reputed company tools such as CasADI, Pyomo, IPOPT, & SNOPT.
  • Proficient interpersonal, written, and verbal communication skills necessary to effectively pr

Apply tot his job Apply To this Job

Similar Jobs

Senior Full Stack Engineer - Applications Team

Remote, USAFull-time

Senior Software Engineer, reputed company/Desktop Applications

Remote, USAFull-time

SOFTWARE DEVELOPER, APPLICATIONS

Remote, USAFull-time

Senior Software Engineer I

Remote, USAFull-time

Senior Software Engineer, reputed company of Sale

Remote, USAFull-time

Software Engineer, AI DevX

Remote, USAFull-time

Early Career Software Engineer

Remote, USAFull-time

Contract Design Engineer

Remote, USAFull-time

Senior Software Engineer, reputed company/Desktop Applications - reputed company reputed company, USA

Remote, USAFull-time

reputed company Software Engineer, Backend - Advanced Cluster reputed company

Remote, USAFull-time

[Work From Home] Senior Manager Product Management - Customer

Remote, USAFull-time

Entry-Level Online Chat Support Specialist – Customer Experience & Product Knowledge Role at arenaflex

Remote, USAFull-time

Senior Consulting Analyst, Intercompany

Remote, USAFull-time

Pharmacist - RPh - Up to $62/hr

Remote, USAFull-time

reputed company New Jersey based Clinical Specialist - Remote, USA

Remote, USAFull-time

Urgently Hiring: Part-Time Evenings – reputed company Customer Service Representative – Remote Work Opportunity with reputed company and Comprehensive Benefits

Remote, USAFull-time

[Work From Home] Part-Time Remote Psychotherapist

Remote, USAFull-time

Desktop Support Engineer – Remote Technical Support Specialist for End-User Computing Environments

Remote, USAFull-time

Case Designer

Remote, USAFull-time

Student Trainee (Firefighter)

Remote, USAFull-time