Earth Is Our Runway
Shield AI Logo

Shield AI

Principal Engineer, Fluid & Thermal Systems (R4793)

Reposted 25 Days Ago
Be an Early Applicant
In-Office
Seattle, WA, USA
250K-370K Annually
Expert/Leader
In-Office
Seattle, WA, USA
250K-370K Annually
Expert/Leader
Lead design, development, simulation, testing, and integration of fluid and thermal systems for autonomous aircraft and ground platforms. Drive first-principles modeling, prototype validation, supplier selection, and mentor junior engineers while ensuring system-level thermal performance from concept through production.
The summary above was generated by AI
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 LinkedInXInstagram, and YouTube. 

Job Description:
Are you an experienced and innovative Fluid & Thermal Systems Engineer looking to help shape the future of AI and robotics technology? Are you eager to make a meaningful impact on cutting-edge products that matter? Do you thrive in a fast-paced, mission-driven environment alongside highly motivated and values-focused teammates? Shield AI is the perfect place for you!
 
As a Staff Fluid & Thermal Systems Engineer at Shield AI, you will lead the design, development, and optimization of fluid and thermal systems for our advanced autonomous UAVs and ground systems. Your expertise fluid & thermal system design will drive innovation, prototyping, testing, and the successful integration of solutions that operate reliably in challenging environments. This role requires technical leadership, collaboration with cross-functional teams, and an unwavering commitment to delivering excellence from concept to production.

What you'll do:

  • Own design and analysis of fluid and thermal systems for aircraft and ground platforms.
  • Develop and implement innovative thermal solutions
  • Use first-principles engineering to drive design decisions to yield optimal solutions
  • Research technologies for integration into complex solutions
  • Conduct advanced simulations to predict system performance and refine designs
  • Execute testing and validation efforts, including data acquisition, post-processing, and verification against requirements
  • Collaborate with cross-disciplinary teams to integrate fluid and thermal system designs into larger system architectures.
  • Mentor and guide junior engineers, fostering technical growth and excellence within the team.
  • Identify suppliers and build successful supplier management relationships for procurement of components or systems for fluid and thermal system designs
  • Other duties as assigned

Required qualifications:

  • Minimum 10+ years of experience in Fluid or Thermal System design, with a proven track record of technical excellence.
  • B.S. or advanced degree in Mechanical, Aerospace, or related Engineering discipline.
  • Deep understanding of heat transfer, fluid dynamics, thermodynamics, and system-level thermal management.
  • Experience implementing system models in commercial tools, such as MATLAB Simscape, Amesim, etc.
  • Experience developing custom engineering models in Excel and in languages such as MATLAB, Python, etc.
  • Experience in fluid and thermal system testing, including sensor integration, data acquisition, and analysis.
  • Expertise in 3D CAD modeling tools such as Siemens NX or equivalent.
  • Demonstrated ability to execute projects with minimal oversight, assume full ownership, and deliver exceptional outcomes.
  • Excellence in supplier management, COTS component sourcing, optimization/trade studies
  • Proven success in dynamic, fast-paced environments.
  • Ability to obtain a S//SAR level security clearance desired.

Preferred qualifications:

  • Extensive experience with fluid & thermal system design, analysis, manufacture and test for aircraft
  • Familiarity with fluid and thermal system effects on aircraft performance
  • Familiarity with startup or R&D environments, demonstrating adaptability and agility under pressure.
  • Strong knowledge of environmental standards and certification processes for aerospace or defense systems.
  • A passion for innovation and the ability to push boundaries in fluid & thermal system development.

#LI-MS1
#LF

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.
 
###
 
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. 

Similar Jobs at Shield AI

10 Hours Ago
Hybrid
Seattle, WA, USA
98K-148K Annually
Mid level
98K-148K Annually
Mid level
Aerospace • Artificial Intelligence • Machine Learning • Robotics • Software
Supports technical recruiting for specialized software engineering and autonomy roles. Responsibilities include managing candidate pipelines, conducting recruiter screens, sourcing and engaging technical talent, coordinating with hiring managers, maintaining ATS accuracy and recruiting data, delivering a strong candidate experience, and improving recruiting processes. The role partners with senior recruiters and sourcers while developing expertise in software engineering talent markets and using recruiting tools, AI, and automation.
Top Skills: AIAts SystemsAutomationSourcing Platforms
Yesterday
In-Office
100K-150K Annually
Senior level
100K-150K Annually
Senior level
Aerospace • Artificial Intelligence • Machine Learning • Robotics • Software
Safely operate unmanned aircraft during production acceptance, validation, troubleshooting, delivery, and customer acceptance flights. Responsibilities include mission planning, preflight preparation, aircraft configuration, flight execution, discrepancy documentation, real-time troubleshooting, risk assessment, and coordination with engineering, production, maintenance, and flight-test teams. The operator maintains aircraft qualifications, supports test procedures and corrective actions, and may travel to domestic and international test events or deployments.
Top Skills: Commercial Pilot LicenseFaa Class Ii Medical CertificateFaa Instrument RatingFaa Part 107Faa Private Pilot LicenseGround-Control SystemsUnmanned Aircraft Systems
Yesterday
In-Office
160K-250K Annually
Senior level
160K-250K Annually
Senior level
Aerospace • Artificial Intelligence • Machine Learning • Robotics • Software
Build production AI systems that improve technical learning for Hivemind engineers and customers. Develop an AI training coach, LLM-powered tooling, workshops, curricula, labs, assessments, and content automation. Integrate generative AI, retrieval, agents, and evaluation capabilities while maintaining strong software engineering, testing, observability, security, and operational standards. Collaborate with autonomy experts, engineers, applications engineering, and customer success to accelerate technical proficiency and product adoption.
Top Skills: Ai AgentsApi DesignAutomated TestingC++Enterprise SearchGenerative Ai ApisLarge Language Models (Llms)Model GatewaysObservabilityPrompt EngineeringPythonRetrieval-Augmented Generation (Rag)Vector Databases

What you need to know about the Seattle Tech Scene

Home to tech titans like Microsoft and Amazon, Seattle punches far above its weight in innovation. But its surrounding mountains, sprinkled with world-famous hiking trails and climbing routes, make the city a destination for outdoorsy types as well. Established as a logging town before shifting to shipbuilding and logistics, the Emerald City is now known for its contributions to aerospace, software, biotech and cloud computing. And its status as a thriving tech ecosystem is attracting out-of-town companies looking to establish new tech and engineering hubs.

Key Facts About Seattle Tech

  • Number of Tech Workers: 287,000; 13% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Amazon, Microsoft, Meta, Google
  • Key Industries: Artificial intelligence, cloud computing, software, biotechnology, game development
  • Funding Landscape: $3.1 billion in venture capital funding in 2024 (Pitchbook)
  • Notable Investors: Madrona, Fuse, Tola, Maveron
  • Research Centers and Universities: University of Washington, Seattle University, Seattle Pacific University, Allen Institute for Brain Science, Bill & Melinda Gates Foundation, Seattle Children’s Research Institute

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account