Lead IoT Software Engineer

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.

Why join EnerSys?

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.

What you will do

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

Why this role is exciting

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

We’re looking for experienced engineers who:

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

What we offer

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.

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.

Know Your Rights

Know Your Rights (Spanish)