Sr Application Engineer – Defense & Drone Systems

Position Summary
Enovix is seeking a Senior Applications Engineer to lead technical engagements with defense, drone, robotics, and autonomous systems customers. This role serves as a critical bridge between customer engineering teams and Enovix's product, cell engineering, and manufacturing organizations. The ideal candidate possesses deep experience with battery-powered platforms such as UAVs, UAS payloads, loitering munitions, unmanned ground vehicles, soldier systems, tactical communications equipment, robotics, or aerospace platforms. They understand how batteries impact mission performance and can translate operational requirements into technical solution. This highly customer-facing role requires strong systems engineering skills, hands-on troubleshooting capability, and the ability to influence design decisions at leading defense OEMs and integrators.
Key Responsibilities
Customer Technical Leadership
Serve as the primary technical interface for defense and drone customers evaluating and integrating Enovix batteries.
Support design-in activities from initial evaluation through production deployment.
Conduct technical reviews with customer engineering teams, system architects, and program managers.
Develop trusted advisor relationships with key defense OEMs, drone manufacturers, battery pack developers, and system integrators.
System Integration & Validation
Support integration of Enovix cells into:
UAVs
Robotics platforms
Aerospace and defense electronics
Define battery characterization, validation, and qualification plans.
Evaluate system-level performance impacts including:
Flight endurance
Payload capability
High-power operation
Fast charging
Thermal management
Environmental durability
Analyze field performance and recommend design improvements.
Technical Problem Solving
Lead root-cause analysis of customer integration and performance issues.
Investigate failures related to:
Battery performance
Charging systems
System integration
Reliability and field returns
Work cross-functionally to drive corrective actions and customer solutions.
Product & Market Development
Gather customer requirements and provide feedback to Product Management and R&D.
Support benchmarking of competitive battery technologies used in defense and drone applications.
Assess emerging opportunities in:
Autonomous systems
Defense modernization programs
Tactical ISR platforms
AI-enabled edge devices
Next-generation soldier systems
Contribute to application notes, integration guides, white papers, and customer training materials.
Business Support
Support strategic customer visits, technical workshops, demonstrations, and industry events.
Participate in proposal reviews and technical evaluations.
Help establish Enovix as the preferred battery technology supplier for defense and autonomous systems.
Required Qualifications
Bachelor's degree in Electrical Engineering, Mechanical Engineering, Aerospace Engineering, Systems Engineering, or related discipline.
5+ years of engineering experience in one or more of the following:
Defense systems
Drone/UAV platforms
Aerospace systems
Battery technologies
Autonomous systems
Robotics
Power electronics
Hands-on experience supporting customer-facing engineering programs.
Strong understanding of lithium-ion batteries and battery system integration.
Experience with system-level validation and qualification testing.
Ability to analyze electrical, thermal, and mechanical interactions within battery-powered systems.
Excellent presentation, communication, and technical writing skills.
Strong troubleshooting and root-cause analysis capability.
Ability to travel domestically and internationally (up to 20%) to customer and industry locations.
Preferred Qualifications
Experience working with UAV or military battery systems.
Experience supporting defense contractors, government programs, or military customers.
Familiarity with battery management systems (BMS), charging architectures, and power distribution systems.
Understanding of drone mission profiles and propulsion requirements.
Experience with environmental, vibration, shock, abuse, and reliability testing.
Knowledge of military and aerospace qualification standards.
Familiarity with battery pack development and integration.
Experience supporting field testing and operational evaluations.
Advanced degree in relevant engineering discipline.
Ideal Candidate Profile
The successful candidate is a systems thinker who understands that battery performance directly impacts mission effectiveness. They are equally comfortable reviewing cell test data, discussing flight endurance with UAV engineers, troubleshooting thermal issues in a tactical system, or presenting technical solutions to senior customer leadership.
They thrive in fast-paced environments and are passionate about enabling next-generation defense and autonomous platforms through advanced energy storage technology.
Success Metrics
Successful customer design-ins and program wins.
Deployment of Enovix batteries into operational defense and drone platforms.
Rapid resolution of customer technical issues.
Strong customer satisfaction and technical credibility.
Effective translation of market requirements into future Enovix products.
Growth of Enovix's position within the defense, drone, and autonomous systems markets.
About Enovix
Enovix is revolutionizing lithium-ion battery technology through its breakthrough 3D Silicon™ battery4 architecture, delivering industry-leading energy density for applications where performance, endurance, and reliability are mission critical. As Enovix expands into defense, uncrewed systems, robotics, and next-generation aerospace platforms, we are seeking exceptional engineers to help our customers integrate advanced battery solutions into demanding operational environments.
Benefits:
Base Salary Range- $120,000-$175,000
Base salary is just one part of the overall compensation.
We also offer bonus, equity and package of benefits including paid time off, medical/dental/vision insurance, life insurance, disability insurance.
We adopt a holistic approach to our benefits programs, emphasizing physical, emotional, financial, career, and community wellness to support a balanced life.
Our packages are tailored to meet local needs and may include healthcare coverage, mental well-being support, retirement savings, paid time off, family leaves.