Staff Engineer, Modelling and Simulation (R6248)

Posted 2 Hours Ago
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San Diego, CA, USA
In-Office
150K-230K Annually
Expert/Leader
Aerospace • Artificial Intelligence • Machine Learning • Robotics • Software • Defense Technology
Our mission is to protect service members and civilians with intelligent systems.
The Role
Build and lead simulation platform infrastructure for autonomous aircraft systems. Responsibilities include integrating and developing simulators, creating scalable Monte Carlo experimentation capabilities, implementing multithreaded and multiprocess real-time simulations, validating physics models, partnering with autonomy and GNC teams, and guiding architecture, design reviews, and engineering mentorship.
Summary Generated by Built In
Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities across the U.S., Europe, the Middle East, and Asia-Pacific, Shield AI’s technology actively supports operations worldwide. For more information, visit www.shield.ai. Follow Shield AI on LinkedIn, X, Instagram, and YouTube. 

Job Description:

The Hivemind Simulation team provides the simulation capabilities that power the AI Factory’s training and evaluation for the next generation autonomous AI pilots. The Simulation Platform team builds the simulation framework and foundational infrastructure that allows engineers to bring together simulators, scale experiments, and confidently evaluate autonomy before flight. The team’s work enables simulation applications to build on a shared, performant, and extensible foundation. Our guiding principle is simple: autonomy should not know it is in a simulation.

As a Staff Software Engineer on the Simulation Platform team, you will shape how autonomous pilots are tested by building and integrating simulators and developing Monte Carlo infrastructure. Drawing on experience building and running real-time aircraft simulations, you will enable teams to evaluate autonomy, guidance, navigation, and control (GNC), and runtime assurance (RTA) systems at scale. This individual contributor role includes driving technical direction and mentoring engineers.

What you'll do:

  • Grow the simulation framework’s ecosystem by integrating existing simulators and established standards, and by build new ones where needs are identified.
  • Build reusable Monte Carlo infrastructure for parameterization, execution, reproducibility, and collection of results across large simulation campaigns.
  • Develop multithreaded and multi-process simulation capabilities, addressing synchronization, timing, state exchange, and performance.
  • Partner with autonomy, GNC, and RTA engineers as well as operators in the field to translate evaluation needs into simulation interfaces and infrastructure.
  • Support platform specific performance validation using physics models (e.g, 6DoF, 3DoF, etc.).
  • Set technical direction, lead design reviews, and mentor engineers in simulation architecture and production software development.

Required qualifications:

  • Typically requires a minimum of 10 years of related experience with a Bachelor’s degree; or 9 years with a Master’s degree; or 7 years with a PhD; or equivalent work experience.
  • Strong proficiency in C++, with demonstrated experience designing, implementing, and maintaining production performance-critical software.
  • Demonstrated experience building and running multithreaded/multiprocess real-time simulations involving aircraft dynamics.
  • Experience both developing Monte Carlo infrastructure and using it to design, execute, and analyze simulation campaigns.
  • Demonstrated ability to drive technical decisions, mentor engineers, and collaborate across software and domain engineering teams.
  • Experience developing software/simulation under a defined V&V lifecycle

Preferred qualifications:

  • Experience supporting airworthiness certification efforts, including developing simulation evidence for verification, validation, and safety assessment (e.g., DO-178C, MIL-HDBK-516C).
  • Strong Python skills for simulation tooling, experiment automation, and analysis.
  • Experience with distributed simulation and model interoperability standards such as HLA, DIS, and FMI/FMU.
  • Experience with industry-standard simulation tools such as JSBSim, FlightGear, X-Plane, Gazebo, Isaac Sim, or Simulink, or equivalent environments.
  • Experience with closed-loop autonomy simulation, including sensor inputs and interfaces between autonomy and the simulated environment.
  • Experience with uncertainty modeling, statistical analysis, and scenario coverage for Monte Carlo evaluation.
  • Testing / Operating Safety Critical Software (e.g., DO-178C)

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#LD

Full-time regular employee offer package:
Pay within range listed + Bonus + Benefits + Equity
 
Temporary employee offer package:
Pay within range listed above + temporary benefits package (applicable after 60 days of employment)
 
Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location. All offers are contingent on a cleared background and possible reference check. Military fellows and part-time employees are not eligible for benefits. Please speak to your talent acquisition representative for more information.
 
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Shield AI is proud to be an equal opportunity workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, marital status, disability, gender identity or Veteran status. If you have a disability or special need that requires accommodation, please let us know. 

Skills Required

  • Minimum of 10 years of related experience with a Bachelor's degree, 9 years with a Master's degree, 7 years with a PhD, or equivalent experience.
  • Strong proficiency in C++ and experience designing, implementing, and maintaining production performance-critical software.
  • Experience building and running multithreaded or multiprocess real-time simulations involving aircraft dynamics.
  • Experience developing Monte Carlo infrastructure and using it to design, execute, and analyze simulation campaigns.
  • Ability to drive technical decisions, mentor engineers, and collaborate across software and domain engineering teams.
  • Experience developing software or simulations under a defined verification and validation lifecycle.
  • Experience supporting airworthiness certification efforts, including simulation evidence for verification, validation, and safety assessment using standards such as DO-178C or MIL-HDBK-516C.
  • Strong Python skills for simulation tooling, experiment automation, and analysis.
  • Experience with distributed simulation and model interoperability standards such as HLA, DIS, and FMI/FMU.
  • Experience with simulation tools such as JSBSim, FlightGear, X-Plane, Gazebo, Isaac Sim, or Simulink.
  • Experience with closed-loop autonomy simulation, including sensor inputs and autonomy-to-environment interfaces.
  • Experience with uncertainty modeling, statistical analysis, and scenario coverage for Monte Carlo evaluation.
  • Experience testing or operating safety-critical software, such as software developed under DO-178C.

What the Team is Saying

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Shield AI Compensation & Benefits Highlights

  • Healthcare Strength — Company materials highlight comprehensive medical, dental, and vision coverage with mental-health support and an EAP. Third-party benefits summaries also portray health coverage as a strong component of the package.
  • Retirement Support — Offerings include a 401(k) with employer matching, cited on the careers page and independent benefits directories. Multiple sources indicate a match exists, though exact formulas have varied over time and warrant confirmation.
  • Equity Value & Accessibility — Company communications describe equity for all full-time hires and stock benefits as part of total rewards. Independent listings also note company equity/RSUs as a standard element.

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The Company
HQ: San Diego, CA
Year Founded: 2015

What We Do

At Shield AI, you won't wait years to see your work reach the field. You'll build hardware and software that operates in the real world right now, in the hands of the people who depend on it. Hivemind, our AI pilot, has been flying since 2018. It has flown more than 30 platforms, including an F-16, and it now sits under a U.S. Air Force production contract for Collaborative Combat Aircraft. When you write code or shape a system here, you contribute to technology with a proven flight record and a clear production future. V-BAT flies intelligence, surveillance, and reconnaissance missions with an operational record that stretches from Ukraine to the Indo-Pacific. It delivers eyes where they matter most, in the most demanding conditions on earth. The teams behind it watch their work get tested where the stakes are real. X-BAT takes its first flight this year. It's an AI-piloted fighter that needs no runway, built to operate where traditional aircraft can't. Join now and you help shape a program at its earliest, most formative stage. That's the kind of ground-floor work that defines a career. Do the most impactful work of your life, on problems that matter. Autonomy at this level asks a lot of you. You'll take on problems in perception, planning, and control that few teams anywhere are equipped to solve. You'll work across disciplines, from aerospace and robotics to machine learning and systems engineering, alongside people who hold themselves to an exacting standard and expect the same from you. Our mission is clear: protect service members and civilians with intelligent systems. That purpose runs through every decision, every design review, and every deployment. It's why the work here carries a weight you can feel. Ready to join our mission? Explore our open roles and find where you fit.

Why Work With Us

Founded in 2015 by a former Navy SEAL, Shield AI builds AI pilots and uncrewed aircraft. Veterans aren't an afterthought here, they're at every level. It's why the work carries weight: AI pilots and uncrewed aircraft flying real missions, from Ukraine to the Indo-Pacific, protecting service members and civilians.

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Employees engage in a combination of remote and on-site work.

Typical time on-site: Flexible
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