ArcBest

Robotics Engineer III - Motion Planning

ArcBest$95K — $115K *
Manufacturing & Automotive
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Master's Degree in Robotics, Engineering, Computer Science, or related field; PhD preferred.
  • 4 years of experience in robotics motion planning or multi-agent autonomy.
  • Expertise in motion planning algorithms (e.g., Hybrid A*, RRT*, ILQR).
  • Experience with optimization tools like CasADi and ACADOS.
  • Strong proficiency in C++/Python and ROS2.

Responsibilities

  • Architect scalable motion planning frameworks for AMR.
  • Develop AI-driven motion planning systems using reinforcement learning.
  • Implement real-time model predictive planners and solvers.
  • Design fail-safe re-routing and recovery strategies.
  • Enhance multi-agent path planning and collision avoidance.
  • Decompose complex tasks into modular structures.
  • Deploy AI-based planning models for better decision-making.

Benefits

  • Collaborative and innovative on-campus work environment.
  • Mentorship opportunities for junior engineers.
  • Hands-on role with real-world application of robotic technologies.
  • Exposure to cutting-edge AI and robotics integration.
  • Flexibility with work hours, adjusting for project needs.
Full Job Description
Summary

Location

Fort Smith, AR - Technologies Lab

Workspace

On-Campus

Pay Type

Salary, Full-Time

Job ID

29568

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Job Description
The Robotics Engineer III - Motion Planning leads the development, optimization, and large-scale deployment of motion planning architectures for fleet-wide AMR navigation. This position focuses on high-performance optimization, AI-driven behavioral planning, fail-safe recovery strategies, and large-scale robotic coordination. The Robotics Engineer III - Motion Planning designs and refines graph search, optimization-based planners, and reinforcement learning-based motion strategies while ensuring seamless integration with perception and real-time control.

Responsibilities
  • Architect scalable motion planning frameworks for fleet-level AMR deployments.
  • Develop and refine AI-driven motion planning (reinforcement learning, imitation learning, deep MPC).
  • Implement real-time model predictive planners using CasADi, ACADOS, and convex/non-convex solvers.
  • Design and implement advanced fail-safe motion planning strategies, including autonomous re-routing, recovery-based motion primitives, and redundant planning checks.
  • Enhance multi-agent coordination strategies for large-scale robotic path planning and collision avoidance.
  • Decompose complex behaviors into modular, reusable tree structures.
  • Integrate graph-based, hierarchical, and predictive planning models for decision-making.
  • Deploy AI-based planning models (e.g., learning-based cost functions, uncertainty-aware planners).
  • Conduct large-scale simulation and on-robot validation to assess real-time system performance.
  • Optimize cost-aware, energy-efficient, and high-speed trajectory planning for AMRs.
  • Ensure robust software development, CI/CD implementation, and fault-tolerant motion control strategies.
  • Lead cross-functional collaborations and mentor junior engineers in robotics motion planning.
  • Other duties and projects, as assigned.


Requirements
Education:
  • Master's Degree in Robotics, Engineering, Computer Science, or related field, required
  • PhD in Robotics, Engineering, Computer Science, or related field, preferred
Experience:
  • 1 year as a Robotics Engineer II - Motion Planning or equivalent experience, preferred
  • 4 years of experience in robotics motion planning, AI-driven decision models, or multi-agent autonomy.
Computer Skills:
  • Expertise in motion planning algorithms (Hybrid A*, RRT*, ILQR, AI-driven planning). Upon Hire, required
  • Experience with CasADi, ACADOS, convex/non-convex optimization solvers. Upon Hire, required
  • Advanced proficiency in C++/Python, ROS2, and high-performance robotic software development. Upon Hire, required
  • Strong foundation in multi-agent fleet planning, reinforcement learning-based decision-making, and real-time control. Upon Hire, required
Additional Requirements:
  • Proven leadership in large-scale robotic motion planning. Upon Hire, required
  • Strong research background with experience in industry robotics advancements. Upon Hire, required
  • Experience deploying robotic systems in real-world industrial or logistics environments. Upon Hire, preferred
  • Experience designing Behavior Trees (BTs) for high-level decision-making in autonomous systems. Upon Hire, preferred
  • Understanding of perception integration for planning in dynamic environments. Upon Hire, required
  • Strong mathematical foundation in optimization, graph theory, and control systems. Upon Hire, required
Competencies:
  • Active Learning
  • C++
  • Communicating Complex Concepts
  • Disruptive Innovation
  • Linux
  • Programming
  • Robotics/Computer Controlled Machinery
  • Troubleshooting Technical Problems


Other Details
Work Hours:
  • Generally, 8:00 am - 5:00 pm with occasional irregular hours depending on workload.
Travel Requirements:
  • Occasional (25%-50%) Potential testing and data collection at customer sites.
Compensation:
  • This is a salary position paid biweekly.


About ArcBest

ArcBest is a logistics company that provides transportation and supply chain solutions to businesses of all sizes. The company was founded in 1923 as a small freight hauler and has since grown into a leading provider of logistics services in North America. ArcBest's services include less-than-truckload (LTL) shipping, truckload (TL) shipping, expedited shipping, warehousing, and logistics consulting. The company operates a fleet of over 5,000 tractors and 20,000 trailers and has a network of more than 240 service centers throughout North America. ArcBest is committed to sustainability and has implemented initiatives to reduce its environmental impact and increase its social responsibility.
Learn more about ArcBest
Size
14,000 employees
Market Cap
$1.7 billion
Industry
Net Income
$71.1 million
Founded
1923
5 Year Trend
+8.1%
Revenue
$2.9 billion
NASDAQ

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