Shield AI

Engineer, State Estimation (Dallas/San Diego/Boston/ DC/ San Fran)

Shield AI$120K — $250K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 3+ years experience with a bachelor's; 2+ years with a master's; or 1+ years with a PhD; or equivalent experience.
  • Familiarity with algorithms.
  • Proficient in C++11 or newer for real-time systems.
  • Experience with Linux and command-line tools.
  • Strong communication skills and a collaborative approach.
  • Demonstrated success in fast-paced development cycles.

Responsibilities

  • Develop real-time state estimation algorithms for various navigation methods.
  • Integrate multi-sensor data into estimation frameworks.
  • Design accurate and robust sensor processing pipelines.
  • Collaborate with autonomy and hardware teams for system integration.
  • Conduct simulation and field trials for algorithm evaluation.
  • Adapt advancements in navigation technologies into deployable solutions.

Benefits

  • Bonus structure included in compensation package.
  • Equity opportunities for employees.
  • Comprehensive benefits for full-time regular employees after 60 days.
  • Support for employee well-being and accommodation for disabilities.
Full Job Description
Job Description:

As a State Estimation Engineer, you will play a critical role on the GNC team, contributing to the development, optimization, and deployment of advanced sensor fusion and navigation algorithms for autonomous UAV operations in dynamic and contested environments. You will help design real-time sensor processing pipelines, integrate multi-sensor data for robust state estimation, and collaborate closely with autonomy researchers, software engineers, and hardware teams to ensure high system performance and reliability.

Your work will support the transition of cutting-edge research into fielded capabilities, helping Shield AI deliver precision navigation solutions for mission-critical applications.

What you'll do:

  • Develop and implement real-time state estimation algorithms including inertial navigation, sensor fusion, and alternative navigation methods for GPS-denied or degraded environments.
  • Integrate data from IMUs, GNSS receivers, visual odometry, magnetometers, barometers, and radar into robust estimation frameworks.
  • Design sensor processing pipelines focused on accuracy, robustness, and system-level fault tolerance.
  • Collaborate with autonomy, software, and hardware teams to ensure end-to-end integration of navigation and PNT systems.
  • Conduct simulation, lab testing, and field trials to evaluate algorithm performance under real-world conditions.
  • Stay current on advancements in state estimation and navigation technologies and help adapt new innovations into deployable solutions.


Required qualifications:

  • Typically requires a minimum of 3 years of relevant experience with a bachelor's degree; or 2 years with a master's degree; or 1 years with a PhD; or equivalent practical experience.
  • Familiarity with algorithms.
  • Proficient in C++11 or newer in real-time environments.
  • Comfortable working in Linux, with experience using standard command-line tools and scripting.
  • Strong written and verbal communication skills with a collaborative mindset.
  • Demonstrated success working in fast-paced development cycles and delivering high-quality results.


Preferred qualifications:

  • Experience developing and deploying real-time navigation or sensor fusion algorithms using IMUs, GPS, or other sensors.
  • Strong understanding of filtering and estimation techniques (e.g., Kalman filters, EKF, UKF, particle filters).
  • Experience implementing inertial navigation algorithms in degraded or GPS-denied conditions.
  • Exposure to visual odometry or computer vision-based navigation approaches.
  • Experience optimizing code for performance on compute-constrained platforms.
  • Familiarity with CUDA or hardware acceleration techniques (e.g., FPGAs).
  • Experience transitioning navigation solutions from research into production environments.


$120,000 - $250,000 a year

#LI-SM1

#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.

About Shield AI

Shield AI is a defense technology company that develops artificially intelligent systems for military applications. The company was founded in 2015 by Brandon Tseng, Ryan Tseng, and Andrew Reiter, and is headquartered in San Diego, California. Shield AI's products include autonomous drones and software that can be used for reconnaissance, surveillance, and other military operations. The company's mission is to reduce the number of military casualties by providing soldiers with better intelligence and situational awareness. Shield AI has received funding from a number of investors, including Andreessen Horowitz and Founders Fund.
Learn more about Shield AI
Size
200 employees
Industry
Founded
2015

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