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We are looking for a Lead IoT Software Engineer ready to build, lead, and shape what comes next.
EnerSys is a global leader in stored energy solutions for industrial applications. We have over thirty manufacturing and assembly plants worldwide servicing over 10,000 customers in more than 100 countries. Worldwide headquarters are located in Reading, PA, USA with regional headquarters in Europe and Asia. We complement our extensive line of Motive Power and Energy Systems with a full range of integrated services and systems. With sales and service locations throughout the world, and over 100 years of battery experience, EnerSys is the power/full solution for stored DC power products.
Job Purpose
At EnerSys, we don’t just build batteries ; we power the systems behind the global energy transition.
As electrification accelerates across industries, we are scaling next-generation energy storage and IoT platforms used worldwide.
We are looking for a Lead IoT Software Engineer ready to build, lead, and shape what comes next.
If you enjoy working at the intersection of embedded systems, cloud, and real-world impact: this role is for you.
Be part of the global shift toward sustainable energy
Work on real-world industrial IoT systems, not just prototypes
Collaborate across international teams with global visibility
Take ownership of systems that matter - from embedded devices to cloud platforms
The impact you will make
You will play a critical role in designing and delivering the software powering next-generation energy storage systems.
From embedded Linux devices to cloud-connected APIs, your work will ensure that our IoT platforms are secure, scalable, and ready for global deployment.
Lead a team of software engineers through Agile sprint cycles
Design and develop embedded software (C/C++/Python) on Linux (ARM)
Build and integrate APIs, backend services, and IoT cloud solutions
Drive technical decisions and architecture improvements
Debug and prototype on hardware platforms
Ensure high standards of security, performance, and reliability
Collaborate with global teams across engineering and product
You’ll work at the intersection of hardware, software, and cloud
Your code will power critical infrastructure in the energy transition
You’ll have real ownership, not just implementation tasks
You’ll influence how systems are designed - not just built
What will help you succeed
Have a strong background in IoT or embedded software engineering
Understand distributed systems, APIs, and cloud-native architectures
Are comfortable working across embedded + backend environments
Can translate complex requirements into robust technical solutions
Bring a hands-on mindset with leadership capability
Thrive in Agile and international environments
Technical Skills
Embedded Linux (Yocto), Docker, Azure IoT
Industrial protocols (MQTT, Modbus, WebSocket)
Hardware interfaces (CAN, SPI, I2C, RS485)
Experience in energy systems or industrial IoT
Flexible working model (remote, with occasional travel to our sites in France or Italy, or hybrid working options available)
Opportunity to work on cutting-edge IoT platforms with global impact
Strong learning culture: courses, conferences, and development support
International collaboration with talented engineering teams
High ownership and autonomy in technical decisions
Diversity & Inclusion
At EnerSys, we believe diverse teams build better solutions. We welcome applications from all backgrounds and experiences and are committed to creating an inclusive environment where everyone can thrive.
Ready to make an impact?
Apply now and help us power the future of energy and electric mobility.
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EnerSys provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.
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